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Build Information

Successful build of SwiftHPKE, reference 2.8.0 (38742b), with Swift 6.1 for macOS (SPM) on 24 Jul 2025 13:57:26 UTC.

Swift 6 data race errors: 29

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/leif-ibsen/SwiftHPKE.git
Reference: 2.8.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/leif-ibsen/SwiftHPKE
 * tag               2.8.0      -> FETCH_HEAD
HEAD is now at 38742b7 Release 2.8.0
Cloned https://github.com/leif-ibsen/SwiftHPKE.git
Revision (git rev-parse @):
38742b7ac47912d156f57957cc9ccb9d6b3ad3a7
SUCCESS checkout https://github.com/leif-ibsen/SwiftHPKE.git at 2.8.0
Fetching https://github.com/leif-ibsen/BigInt
Fetching https://github.com/leif-ibsen/ASN1
Fetching https://github.com/leif-ibsen/Digest
[1/2427] Fetching asn1
[123/5020] Fetching asn1, digest
[1205/10536] Fetching asn1, digest, bigint
Fetched https://github.com/leif-ibsen/Digest from cache (1.51s)
Fetched https://github.com/leif-ibsen/ASN1 from cache (1.51s)
Fetched https://github.com/leif-ibsen/BigInt from cache (1.51s)
Computing version for https://github.com/leif-ibsen/Digest
Computed https://github.com/leif-ibsen/Digest at 1.13.0 (2.00s)
Computing version for https://github.com/leif-ibsen/BigInt
Computed https://github.com/leif-ibsen/BigInt at 1.21.0 (0.46s)
Computing version for https://github.com/leif-ibsen/ASN1
Computed https://github.com/leif-ibsen/ASN1 at 2.7.0 (3.00s)
Creating working copy for https://github.com/leif-ibsen/ASN1
Working copy of https://github.com/leif-ibsen/ASN1 resolved at 2.7.0
Creating working copy for https://github.com/leif-ibsen/BigInt
Working copy of https://github.com/leif-ibsen/BigInt resolved at 1.21.0
Creating working copy for https://github.com/leif-ibsen/Digest
Working copy of https://github.com/leif-ibsen/Digest resolved at 1.13.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "swifthpke",
      "name": "SwiftHPKE",
      "url": "https://github.com/leif-ibsen/SwiftHPKE.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftHPKE",
      "dependencies": [
        {
          "identity": "asn1",
          "name": "ASN1",
          "url": "https://github.com/leif-ibsen/ASN1",
          "version": "2.7.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ASN1",
          "dependencies": [
            {
              "identity": "bigint",
              "name": "BigInt",
              "url": "https://github.com/leif-ibsen/BigInt",
              "version": "1.21.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/BigInt",
              "dependencies": [
              ]
            }
          ]
        },
        {
          "identity": "bigint",
          "name": "BigInt",
          "url": "https://github.com/leif-ibsen/BigInt",
          "version": "1.21.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/BigInt",
          "dependencies": [
          ]
        },
        {
          "identity": "digest",
          "name": "Digest",
          "url": "https://github.com/leif-ibsen/Digest",
          "version": "1.13.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Digest",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/leif-ibsen/SwiftHPKE.git
[1/2907] Fetching swifthpke
Fetched https://github.com/leif-ibsen/SwiftHPKE.git from cache (1.25s)
Fetching https://github.com/leif-ibsen/ASN1 from cache
Fetching https://github.com/leif-ibsen/BigInt from cache
Fetching https://github.com/leif-ibsen/Digest from cache
Fetched https://github.com/leif-ibsen/BigInt from cache (0.44s)
Fetched https://github.com/leif-ibsen/ASN1 from cache (0.46s)
Fetched https://github.com/leif-ibsen/Digest from cache (0.46s)
Computing version for https://github.com/leif-ibsen/Digest
Computed https://github.com/leif-ibsen/Digest at 1.13.0 (0.52s)
Computing version for https://github.com/leif-ibsen/BigInt
Computed https://github.com/leif-ibsen/BigInt at 1.21.0 (0.03s)
Computing version for https://github.com/leif-ibsen/ASN1
Computed https://github.com/leif-ibsen/ASN1 at 2.7.0 (0.03s)
Creating working copy for https://github.com/leif-ibsen/BigInt
Working copy of https://github.com/leif-ibsen/BigInt resolved at 1.21.0
Creating working copy for https://github.com/leif-ibsen/Digest
Working copy of https://github.com/leif-ibsen/Digest resolved at 1.13.0
Creating working copy for https://github.com/leif-ibsen/SwiftHPKE.git
Working copy of https://github.com/leif-ibsen/SwiftHPKE.git resolved at 2.8.0 (38742b7)
Creating working copy for https://github.com/leif-ibsen/ASN1
Working copy of https://github.com/leif-ibsen/ASN1 resolved at 2.7.0
warning: '.resolve-product-dependencies': dependency 'swifthpke' is not used by any target
Found 3 product dependencies
  - ASN1
  - BigInt
  - Digest
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/leif-ibsen/SwiftHPKE.git
https://github.com/leif-ibsen/SwiftHPKE.git
{
  "dependencies" : [
    {
      "identity" : "asn1",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.7.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/leif-ibsen/ASN1"
    },
    {
      "identity" : "bigint",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.21.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/leif-ibsen/BigInt"
    },
    {
      "identity" : "digest",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.13.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/leif-ibsen/Digest"
    }
  ],
  "manifest_display_name" : "SwiftHPKE",
  "name" : "SwiftHPKE",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "8.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftHPKE",
      "targets" : [
        "SwiftHPKE"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftHPKETests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftHPKETests",
      "path" : "Tests/SwiftHPKETests",
      "sources" : [
        "CipherSuiteTest.swift",
        "CryptoKitAuthPSKTest.swift",
        "CryptoKitAuthTest.swift",
        "CryptoKitBaseTest.swift",
        "CryptoKitPSKTest.swift",
        "CryptoKitTest.swift",
        "Curve25519Test.swift",
        "Curve448Test.swift",
        "ExceptionTest.swift",
        "HPKETest.swift",
        "KeysTest.swift",
        "SenderRecipientTest.swift",
        "WycheproofP256Test.swift",
        "WycheproofP384Test.swift",
        "WycheproofP521Test.swift",
        "WycheproofX25519Test.swift",
        "WycheproofX448Test.swift"
      ],
      "target_dependencies" : [
        "SwiftHPKE"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftHPKE",
      "module_type" : "SwiftTarget",
      "name" : "SwiftHPKE",
      "path" : "Sources/SwiftHPKE",
      "product_dependencies" : [
        "ASN1",
        "BigInt",
        "Digest"
      ],
      "product_memberships" : [
        "SwiftHPKE"
      ],
      "sources" : [
        "AEAD.swift",
        "CipherSuite.swift",
        "Curve.swift",
        "Exception.swift",
        "KDF.swift",
        "KEM.swift",
        "Point.swift",
        "PrivateKey.swift",
        "PublicKey.swift",
        "Recipient.swift",
        "Sender.swift",
        "X255_448/Curve25519.swift",
        "X255_448/Curve448.swift",
        "X255_448/Field25519.swift",
        "X255_448/Field448.swift",
        "X255_448/UInt128.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/5] Write sources
[4/5] Write swift-version-2F0A5646E1D333AE.txt
[6/27] Compiling Digest SHAKE.swift
[7/28] Compiling BigInt BitSieve.swift
[8/28] Compiling BigInt BurnikelZiegler.swift
[9/28] Compiling BigInt ExpMod.swift
[10/29] Compiling BigInt GCD.swift
[11/29] Compiling BigInt Factorial.swift
[12/29] Compiling BigInt FFT.swift
[13/29] Compiling BigInt CRT.swift
[14/29] Compiling BigInt Karatsuba.swift
[15/29] Compiling BigInt Limbs.swift
[16/29] Compiling Digest KDF.swift
[17/29] Compiling Digest HMAC.swift
[18/29] Compiling Digest SHA1.swift
[19/29] Compiling Digest SHA2.swift
[20/29] Compiling Digest MD.swift
[21/29] Compiling Digest SHA3.swift
[22/29] Compiling Digest XOF.swift
[23/29] Compiling BigInt ToomCook.swift
[24/29] Emitting module Digest
[25/29] Compiling Digest BLAKE.swift
[26/29] Compiling Digest Base64.swift
[27/29] Emitting module BigInt
[28/29] Compiling BigInt BigFrac.swift
[29/29] Compiling BigInt BigInt.swift
[30/50] Emitting module ASN1
[31/52] Compiling ASN1 ASN1OctetString.swift
[32/52] Compiling ASN1 ASN1PrintableString.swift
[33/52] Compiling ASN1 ASN1UTF8String.swift
[34/52] Compiling ASN1 InputStream.swift
[35/52] Compiling ASN1 ASN1SimpleType.swift
[36/52] Compiling ASN1 ASN1T61String.swift
[37/52] Compiling ASN1 ASN1IA5String.swift
[38/52] Compiling ASN1 ASN1Integer.swift
[39/52] Compiling ASN1 ASN1Exception.swift
[40/52] Compiling ASN1 ASN1GeneralizedTime.swift
[41/52] Compiling ASN1 ASN1Time.swift
[42/52] Compiling ASN1 ASN1UTCTime.swift
[43/52] Compiling ASN1 ASN1Null.swift
[44/52] Compiling ASN1 ASN1ObjectIdentifier.swift
[45/52] Compiling ASN1 ASN1Boolean.swift
[46/52] Compiling ASN1 ASN1Collection.swift
[47/52] Compiling ASN1 ASN1Ctx.swift
[48/52] Compiling ASN1 ASN1Sequence.swift
[49/52] Compiling ASN1 ASN1Set.swift
[50/52] Compiling ASN1 ASN1.swift
[51/52] Compiling ASN1 ASN1BMPString.swift
[52/52] Compiling ASN1 ASN1BitString.swift
[53/68] Compiling SwiftHPKE Field448.swift
[54/68] Compiling SwiftHPKE Sender.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/X255_448/Curve25519.swift:14:16: warning: static property 'OID' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
12 |     static let keySize = 32
13 |
14 |     static let OID = ASN1ObjectIdentifier("1.3.101.110")!
   |                `- warning: static property 'OID' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
15 |
16 |     static let _9: Bytes = [9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/X255_448/Curve25519.swift:8:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
 6 | //
 7 |
 8 | import ASN1
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
 9 |
10 | struct Curve25519 {
   :
12 |     static let keySize = 32
13 |
14 |     static let OID = ASN1ObjectIdentifier("1.3.101.110")!
   |                |- note: add '@MainActor' to make static property 'OID' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |
16 |     static let _9: Bytes = [9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
[55/68] Compiling SwiftHPKE Curve25519.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/X255_448/Curve25519.swift:14:16: warning: static property 'OID' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
12 |     static let keySize = 32
13 |
14 |     static let OID = ASN1ObjectIdentifier("1.3.101.110")!
   |                `- warning: static property 'OID' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
15 |
16 |     static let _9: Bytes = [9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/X255_448/Curve25519.swift:8:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
 6 | //
 7 |
 8 | import ASN1
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
 9 |
10 | struct Curve25519 {
   :
12 |     static let keySize = 32
13 |
14 |     static let OID = ASN1ObjectIdentifier("1.3.101.110")!
   |                |- note: add '@MainActor' to make static property 'OID' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |
16 |     static let _9: Bytes = [9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
[56/69] Compiling SwiftHPKE UInt128.swift
[57/69] Emitting module SwiftHPKE
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:16:16: warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 14 |     static let privateKeySize = 32
 15 |     static let name = "secp256r1"
 16 |     static let p = BInt("ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", radix: 16)!
    |                `- warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'BigInt'
  7 |
  8 | import ASN1
  9 | import BigInt
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'BigInt'
 10 |
 11 | class CurveP256: Curve {
    :
 14 |     static let privateKeySize = 32
 15 |     static let name = "secp256r1"
 16 |     static let p = BInt("ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", radix: 16)!
    |                |- note: add '@MainActor' to make static property 'p' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:17:16: warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |     static let name = "secp256r1"
 16 |     static let p = BInt("ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", radix: 16)!
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
    |                |- warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'a' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:18:16: warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 16 |     static let p = BInt("ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", radix: 16)!
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
    |                |- warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'b' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
 20 |     static let gy = BInt("4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:19:16: warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
    |                |- warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gx' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 20 |     static let gy = BInt("4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", radix: 16)!
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:20:16: warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
 20 |     static let gy = BInt("4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", radix: 16)!
    |                |- warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gy' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
 22 |     static let cofactor = 1
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:21:16: warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
 20 |     static let gy = BInt("4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", radix: 16)!
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
    |                |- warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'order' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 22 |     static let cofactor = 1
 23 |     static let oid = ASN1ObjectIdentifier("1.2.840.10045.3.1.7")!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:23:16: warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
 22 |     static let cofactor = 1
 23 |     static let oid = ASN1ObjectIdentifier("1.2.840.10045.3.1.7")!
    |                `- warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 24 |
 25 |     init() {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:8:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
  6 | //
  7 |
  8 | import ASN1
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
  9 | import BigInt
 10 |
    :
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
 22 |     static let cofactor = 1
 23 |     static let oid = ASN1ObjectIdentifier("1.2.840.10045.3.1.7")!
    |                |- note: add '@MainActor' to make static property 'oid' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 24 |
 25 |     init() {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:35:16: warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 33 |     static let privateKeySize = 48
 34 |     static let name = "secp384r1"
 35 |     static let p = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff", radix: 16)!
    |                |- warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 36 |     static let a = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc", radix: 16)!
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:36:16: warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 34 |     static let name = "secp384r1"
 35 |     static let p = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff", radix: 16)!
 36 |     static let a = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc", radix: 16)!
    |                |- warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'a' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:37:16: warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 35 |     static let p = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff", radix: 16)!
 36 |     static let a = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc", radix: 16)!
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
    |                |- warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'b' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
 39 |     static let gy = BInt("3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:38:16: warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 36 |     static let a = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc", radix: 16)!
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
    |                |- warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gx' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 39 |     static let gy = BInt("3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f", radix: 16)!
 40 |     static let order = BInt("ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:39:16: warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
 39 |     static let gy = BInt("3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f", radix: 16)!
    |                |- warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gy' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 40 |     static let order = BInt("ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973", radix: 16)!
 41 |     static let cofactor = 1
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:40:16: warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
 39 |     static let gy = BInt("3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f", radix: 16)!
 40 |     static let order = BInt("ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973", radix: 16)!
    |                |- warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'order' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 41 |     static let cofactor = 1
 42 |     static let oid = ASN1ObjectIdentifier("1.3.132.0.34")!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:42:16: warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |     static let order = BInt("ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973", radix: 16)!
 41 |     static let cofactor = 1
 42 |     static let oid = ASN1ObjectIdentifier("1.3.132.0.34")!
    |                |- warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'oid' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 43 |
 44 |     init() {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:54:16: warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 52 |     static let privateKeySize = 66
 53 |     static let name = "secp521r1"
 54 |     static let p = BInt("1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", radix: 16)!
    |                |- warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 55 |     static let a = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", radix: 16)!
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:55:16: warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 53 |     static let name = "secp521r1"
 54 |     static let p = BInt("1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", radix: 16)!
 55 |     static let a = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", radix: 16)!
    |                |- warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'a' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:56:16: warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 54 |     static let p = BInt("1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", radix: 16)!
 55 |     static let a = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", radix: 16)!
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
    |                |- warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'b' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
 58 |     static let gy = BInt("11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:57:16: warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 55 |     static let a = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", radix: 16)!
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
    |                |- warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gx' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 58 |     static let gy = BInt("11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", radix: 16)!
 59 |     static let order = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:58:16: warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
 58 |     static let gy = BInt("11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", radix: 16)!
    |                |- warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gy' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 59 |     static let order = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", radix: 16)!
 60 |     static let cofactor = 1
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:59:16: warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
 58 |     static let gy = BInt("11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", radix: 16)!
 59 |     static let order = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", radix: 16)!
    |                |- warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'order' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 60 |     static let cofactor = 1
 61 |     static let oid = ASN1ObjectIdentifier("1.3.132.0.35")!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:61:16: warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 59 |     static let order = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", radix: 16)!
 60 |     static let cofactor = 1
 61 |     static let oid = ASN1ObjectIdentifier("1.3.132.0.35")!
    |                |- warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'oid' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 62 |
 63 |     init() {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:70:16: warning: static property 'p256' is not concurrency-safe because non-'Sendable' type 'CurveP256' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import BigInt
 10 |
 11 | class CurveP256: Curve {
    |       `- note: class 'CurveP256' does not conform to the 'Sendable' protocol
 12 |
 13 |     static let publicKeySize = 65
    :
 68 | class Curve {
 69 |
 70 |     static let p256 = CurveP256()
    |                |- warning: static property 'p256' is not concurrency-safe because non-'Sendable' type 'CurveP256' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p256' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 71 |     static let p384 = CurveP384()
 72 |     static let p521 = CurveP521()
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:71:16: warning: static property 'p384' is not concurrency-safe because non-'Sendable' type 'CurveP384' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | }
 29 |
 30 | class CurveP384: Curve {
    |       `- note: class 'CurveP384' does not conform to the 'Sendable' protocol
 31 |
 32 |     static let publicKeySize = 97
    :
 69 |
 70 |     static let p256 = CurveP256()
 71 |     static let p384 = CurveP384()
    |                |- warning: static property 'p384' is not concurrency-safe because non-'Sendable' type 'CurveP384' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p384' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 72 |     static let p521 = CurveP521()
 73 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:72:16: warning: static property 'p521' is not concurrency-safe because non-'Sendable' type 'CurveP521' may have shared mutable state; this is an error in the Swift 6 language mode
 47 | }
 48 |
 49 | class CurveP521: Curve {
    |       `- note: class 'CurveP521' does not conform to the 'Sendable' protocol
 50 |
 51 |     static let publicKeySize = 133
    :
 70 |     static let p256 = CurveP256()
 71 |     static let p384 = CurveP384()
 72 |     static let p521 = CurveP521()
    |                |- warning: static property 'p521' is not concurrency-safe because non-'Sendable' type 'CurveP521' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p521' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 73 |
 74 |     static let OID_P = ASN1ObjectIdentifier("1.2.840.10045.1.1")!
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:74:16: warning: static property 'OID_P' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 72 |     static let p521 = CurveP521()
 73 |
 74 |     static let OID_P = ASN1ObjectIdentifier("1.2.840.10045.1.1")!
    |                |- warning: static property 'OID_P' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'OID_P' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 75 |     static let OID_EC = ASN1ObjectIdentifier("1.2.840.10045.2.1")!
 76 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:75:16: warning: static property 'OID_EC' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 73 |
 74 |     static let OID_P = ASN1ObjectIdentifier("1.2.840.10045.1.1")!
 75 |     static let OID_EC = ASN1ObjectIdentifier("1.2.840.10045.2.1")!
    |                |- warning: static property 'OID_EC' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'OID_EC' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |
 77 |     // Generator point multiplication window width
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Point.swift:12:16: warning: static property 'INFINITY' is not concurrency-safe because non-'Sendable' type 'Point' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | import BigInt
 9 |
10 | struct Point: CustomStringConvertible, Equatable {
   |        `- note: consider making struct 'Point' conform to the 'Sendable' protocol
11 |
12 |     static let INFINITY = Point()
   |                |- warning: static property 'INFINITY' is not concurrency-safe because non-'Sendable' type 'Point' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: add '@MainActor' to make static property 'INFINITY' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
13 |
14 |     private init() {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/X255_448/Curve25519.swift:14:16: warning: static property 'OID' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
12 |     static let keySize = 32
13 |
14 |     static let OID = ASN1ObjectIdentifier("1.3.101.110")!
   |                `- warning: static property 'OID' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
15 |
16 |     static let _9: Bytes = [9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/X255_448/Curve25519.swift:8:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
 6 | //
 7 |
 8 | import ASN1
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
 9 |
10 | struct Curve25519 {
   :
12 |     static let keySize = 32
13 |
14 |     static let OID = ASN1ObjectIdentifier("1.3.101.110")!
   |                |- note: add '@MainActor' to make static property 'OID' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |
16 |     static let _9: Bytes = [9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/X255_448/Curve448.swift:14:16: warning: static property 'OID' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
12 |     static let keySize = 56
13 |
14 |     static let OID = ASN1ObjectIdentifier("1.3.101.111")!
   |                `- warning: static property 'OID' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
15 |
16 |     static let _5: Bytes = [5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/X255_448/Curve448.swift:8:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
 6 | //
 7 |
 8 | import ASN1
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
 9 |
10 | struct Curve448 {
   :
12 |     static let keySize = 56
13 |
14 |     static let OID = ASN1ObjectIdentifier("1.3.101.111")!
   |                |- note: add '@MainActor' to make static property 'OID' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |
16 |     static let _5: Bytes = [5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
[58/69] Compiling SwiftHPKE PublicKey.swift
[59/69] Compiling SwiftHPKE Recipient.swift
[60/69] Compiling SwiftHPKE Field25519.swift
[61/69] Compiling SwiftHPKE KDF.swift
[62/69] Compiling SwiftHPKE KEM.swift
[63/69] Compiling SwiftHPKE AEAD.swift
[64/69] Compiling SwiftHPKE CipherSuite.swift
[65/69] Compiling SwiftHPKE Point.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Point.swift:12:16: warning: static property 'INFINITY' is not concurrency-safe because non-'Sendable' type 'Point' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | import BigInt
 9 |
10 | struct Point: CustomStringConvertible, Equatable {
   |        `- note: consider making struct 'Point' conform to the 'Sendable' protocol
11 |
12 |     static let INFINITY = Point()
   |                |- warning: static property 'INFINITY' is not concurrency-safe because non-'Sendable' type 'Point' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: add '@MainActor' to make static property 'INFINITY' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
13 |
14 |     private init() {
[66/69] Compiling SwiftHPKE PrivateKey.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Point.swift:12:16: warning: static property 'INFINITY' is not concurrency-safe because non-'Sendable' type 'Point' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | import BigInt
 9 |
10 | struct Point: CustomStringConvertible, Equatable {
   |        `- note: consider making struct 'Point' conform to the 'Sendable' protocol
11 |
12 |     static let INFINITY = Point()
   |                |- warning: static property 'INFINITY' is not concurrency-safe because non-'Sendable' type 'Point' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: add '@MainActor' to make static property 'INFINITY' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
13 |
14 |     private init() {
[67/69] Compiling SwiftHPKE Curve448.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/X255_448/Curve448.swift:14:16: warning: static property 'OID' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
12 |     static let keySize = 56
13 |
14 |     static let OID = ASN1ObjectIdentifier("1.3.101.111")!
   |                `- warning: static property 'OID' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
15 |
16 |     static let _5: Bytes = [5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/X255_448/Curve448.swift:8:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
 6 | //
 7 |
 8 | import ASN1
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
 9 |
10 | struct Curve448 {
   :
12 |     static let keySize = 56
13 |
14 |     static let OID = ASN1ObjectIdentifier("1.3.101.111")!
   |                |- note: add '@MainActor' to make static property 'OID' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |
16 |     static let _5: Bytes = [5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
[68/69] Compiling SwiftHPKE Curve.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:16:16: warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 14 |     static let privateKeySize = 32
 15 |     static let name = "secp256r1"
 16 |     static let p = BInt("ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", radix: 16)!
    |                `- warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'BigInt'
  7 |
  8 | import ASN1
  9 | import BigInt
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'BigInt'
 10 |
 11 | class CurveP256: Curve {
    :
 14 |     static let privateKeySize = 32
 15 |     static let name = "secp256r1"
 16 |     static let p = BInt("ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", radix: 16)!
    |                |- note: add '@MainActor' to make static property 'p' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:17:16: warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |     static let name = "secp256r1"
 16 |     static let p = BInt("ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", radix: 16)!
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
    |                |- warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'a' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:18:16: warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 16 |     static let p = BInt("ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", radix: 16)!
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
    |                |- warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'b' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
 20 |     static let gy = BInt("4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:19:16: warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
    |                |- warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gx' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 20 |     static let gy = BInt("4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", radix: 16)!
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:20:16: warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
 20 |     static let gy = BInt("4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", radix: 16)!
    |                |- warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gy' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
 22 |     static let cofactor = 1
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:21:16: warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
 20 |     static let gy = BInt("4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", radix: 16)!
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
    |                |- warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'order' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 22 |     static let cofactor = 1
 23 |     static let oid = ASN1ObjectIdentifier("1.2.840.10045.3.1.7")!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:23:16: warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
 22 |     static let cofactor = 1
 23 |     static let oid = ASN1ObjectIdentifier("1.2.840.10045.3.1.7")!
    |                `- warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 24 |
 25 |     init() {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:8:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
  6 | //
  7 |
  8 | import ASN1
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
  9 | import BigInt
 10 |
    :
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
 22 |     static let cofactor = 1
 23 |     static let oid = ASN1ObjectIdentifier("1.2.840.10045.3.1.7")!
    |                |- note: add '@MainActor' to make static property 'oid' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 24 |
 25 |     init() {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:35:16: warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 33 |     static let privateKeySize = 48
 34 |     static let name = "secp384r1"
 35 |     static let p = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff", radix: 16)!
    |                |- warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 36 |     static let a = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc", radix: 16)!
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:36:16: warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 34 |     static let name = "secp384r1"
 35 |     static let p = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff", radix: 16)!
 36 |     static let a = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc", radix: 16)!
    |                |- warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'a' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:37:16: warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 35 |     static let p = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff", radix: 16)!
 36 |     static let a = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc", radix: 16)!
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
    |                |- warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'b' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
 39 |     static let gy = BInt("3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:38:16: warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 36 |     static let a = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc", radix: 16)!
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
    |                |- warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gx' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 39 |     static let gy = BInt("3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f", radix: 16)!
 40 |     static let order = BInt("ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:39:16: warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
 39 |     static let gy = BInt("3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f", radix: 16)!
    |                |- warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gy' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 40 |     static let order = BInt("ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973", radix: 16)!
 41 |     static let cofactor = 1
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:40:16: warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
 39 |     static let gy = BInt("3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f", radix: 16)!
 40 |     static let order = BInt("ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973", radix: 16)!
    |                |- warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'order' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 41 |     static let cofactor = 1
 42 |     static let oid = ASN1ObjectIdentifier("1.3.132.0.34")!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:42:16: warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |     static let order = BInt("ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973", radix: 16)!
 41 |     static let cofactor = 1
 42 |     static let oid = ASN1ObjectIdentifier("1.3.132.0.34")!
    |                |- warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'oid' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 43 |
 44 |     init() {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:54:16: warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 52 |     static let privateKeySize = 66
 53 |     static let name = "secp521r1"
 54 |     static let p = BInt("1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", radix: 16)!
    |                |- warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 55 |     static let a = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", radix: 16)!
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:55:16: warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 53 |     static let name = "secp521r1"
 54 |     static let p = BInt("1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", radix: 16)!
 55 |     static let a = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", radix: 16)!
    |                |- warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'a' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:56:16: warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 54 |     static let p = BInt("1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", radix: 16)!
 55 |     static let a = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", radix: 16)!
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
    |                |- warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'b' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
 58 |     static let gy = BInt("11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:57:16: warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 55 |     static let a = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", radix: 16)!
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
    |                |- warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gx' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 58 |     static let gy = BInt("11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", radix: 16)!
 59 |     static let order = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:58:16: warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
 58 |     static let gy = BInt("11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", radix: 16)!
    |                |- warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gy' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 59 |     static let order = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", radix: 16)!
 60 |     static let cofactor = 1
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:59:16: warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
 58 |     static let gy = BInt("11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", radix: 16)!
 59 |     static let order = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", radix: 16)!
    |                |- warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'order' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 60 |     static let cofactor = 1
 61 |     static let oid = ASN1ObjectIdentifier("1.3.132.0.35")!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:61:16: warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 59 |     static let order = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", radix: 16)!
 60 |     static let cofactor = 1
 61 |     static let oid = ASN1ObjectIdentifier("1.3.132.0.35")!
    |                |- warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'oid' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 62 |
 63 |     init() {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:70:16: warning: static property 'p256' is not concurrency-safe because non-'Sendable' type 'CurveP256' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import BigInt
 10 |
 11 | class CurveP256: Curve {
    |       `- note: class 'CurveP256' does not conform to the 'Sendable' protocol
 12 |
 13 |     static let publicKeySize = 65
    :
 68 | class Curve {
 69 |
 70 |     static let p256 = CurveP256()
    |                |- warning: static property 'p256' is not concurrency-safe because non-'Sendable' type 'CurveP256' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p256' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 71 |     static let p384 = CurveP384()
 72 |     static let p521 = CurveP521()
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:71:16: warning: static property 'p384' is not concurrency-safe because non-'Sendable' type 'CurveP384' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | }
 29 |
 30 | class CurveP384: Curve {
    |       `- note: class 'CurveP384' does not conform to the 'Sendable' protocol
 31 |
 32 |     static let publicKeySize = 97
    :
 69 |
 70 |     static let p256 = CurveP256()
 71 |     static let p384 = CurveP384()
    |                |- warning: static property 'p384' is not concurrency-safe because non-'Sendable' type 'CurveP384' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p384' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 72 |     static let p521 = CurveP521()
 73 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:72:16: warning: static property 'p521' is not concurrency-safe because non-'Sendable' type 'CurveP521' may have shared mutable state; this is an error in the Swift 6 language mode
 47 | }
 48 |
 49 | class CurveP521: Curve {
    |       `- note: class 'CurveP521' does not conform to the 'Sendable' protocol
 50 |
 51 |     static let publicKeySize = 133
    :
 70 |     static let p256 = CurveP256()
 71 |     static let p384 = CurveP384()
 72 |     static let p521 = CurveP521()
    |                |- warning: static property 'p521' is not concurrency-safe because non-'Sendable' type 'CurveP521' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p521' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 73 |
 74 |     static let OID_P = ASN1ObjectIdentifier("1.2.840.10045.1.1")!
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:74:16: warning: static property 'OID_P' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 72 |     static let p521 = CurveP521()
 73 |
 74 |     static let OID_P = ASN1ObjectIdentifier("1.2.840.10045.1.1")!
    |                |- warning: static property 'OID_P' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'OID_P' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 75 |     static let OID_EC = ASN1ObjectIdentifier("1.2.840.10045.2.1")!
 76 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:75:16: warning: static property 'OID_EC' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 73 |
 74 |     static let OID_P = ASN1ObjectIdentifier("1.2.840.10045.1.1")!
 75 |     static let OID_EC = ASN1ObjectIdentifier("1.2.840.10045.2.1")!
    |                |- warning: static property 'OID_EC' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'OID_EC' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |
 77 |     // Generator point multiplication window width
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
[69/69] Compiling SwiftHPKE Exception.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:16:16: warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 14 |     static let privateKeySize = 32
 15 |     static let name = "secp256r1"
 16 |     static let p = BInt("ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", radix: 16)!
    |                `- warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'BigInt'
  7 |
  8 | import ASN1
  9 | import BigInt
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'BigInt'
 10 |
 11 | class CurveP256: Curve {
    :
 14 |     static let privateKeySize = 32
 15 |     static let name = "secp256r1"
 16 |     static let p = BInt("ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", radix: 16)!
    |                |- note: add '@MainActor' to make static property 'p' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:17:16: warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |     static let name = "secp256r1"
 16 |     static let p = BInt("ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", radix: 16)!
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
    |                |- warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'a' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:18:16: warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 16 |     static let p = BInt("ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", radix: 16)!
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
    |                |- warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'b' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
 20 |     static let gy = BInt("4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:19:16: warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 17 |     static let a = BInt("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", radix: 16)!
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
    |                |- warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gx' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 20 |     static let gy = BInt("4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", radix: 16)!
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:20:16: warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 18 |     static let b = BInt("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", radix: 16)!
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
 20 |     static let gy = BInt("4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", radix: 16)!
    |                |- warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gy' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
 22 |     static let cofactor = 1
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:21:16: warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 19 |     static let gx = BInt("6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", radix: 16)!
 20 |     static let gy = BInt("4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5", radix: 16)!
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
    |                |- warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'order' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 22 |     static let cofactor = 1
 23 |     static let oid = ASN1ObjectIdentifier("1.2.840.10045.3.1.7")!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:23:16: warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
 22 |     static let cofactor = 1
 23 |     static let oid = ASN1ObjectIdentifier("1.2.840.10045.3.1.7")!
    |                `- warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 24 |
 25 |     init() {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:8:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
  6 | //
  7 |
  8 | import ASN1
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ASN1'
  9 | import BigInt
 10 |
    :
 21 |     static let order = BInt("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", radix: 16)!
 22 |     static let cofactor = 1
 23 |     static let oid = ASN1ObjectIdentifier("1.2.840.10045.3.1.7")!
    |                |- note: add '@MainActor' to make static property 'oid' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 24 |
 25 |     init() {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:35:16: warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 33 |     static let privateKeySize = 48
 34 |     static let name = "secp384r1"
 35 |     static let p = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff", radix: 16)!
    |                |- warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 36 |     static let a = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc", radix: 16)!
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:36:16: warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 34 |     static let name = "secp384r1"
 35 |     static let p = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff", radix: 16)!
 36 |     static let a = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc", radix: 16)!
    |                |- warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'a' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:37:16: warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 35 |     static let p = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff", radix: 16)!
 36 |     static let a = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc", radix: 16)!
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
    |                |- warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'b' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
 39 |     static let gy = BInt("3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:38:16: warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 36 |     static let a = BInt("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000fffffffc", radix: 16)!
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
    |                |- warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gx' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 39 |     static let gy = BInt("3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f", radix: 16)!
 40 |     static let order = BInt("ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:39:16: warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 37 |     static let b = BInt("b3312fa7e23ee7e4988e056be3f82d19181d9c6efe8141120314088f5013875ac656398d8a2ed19d2a85c8edd3ec2aef", radix: 16)!
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
 39 |     static let gy = BInt("3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f", radix: 16)!
    |                |- warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gy' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 40 |     static let order = BInt("ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973", radix: 16)!
 41 |     static let cofactor = 1
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:40:16: warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 38 |     static let gx = BInt("aa87ca22be8b05378eb1c71ef320ad746e1d3b628ba79b9859f741e082542a385502f25dbf55296c3a545e3872760ab7", radix: 16)!
 39 |     static let gy = BInt("3617de4a96262c6f5d9e98bf9292dc29f8f41dbd289a147ce9da3113b5f0b8c00a60b1ce1d7e819d7a431d7c90ea0e5f", radix: 16)!
 40 |     static let order = BInt("ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973", radix: 16)!
    |                |- warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'order' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 41 |     static let cofactor = 1
 42 |     static let oid = ASN1ObjectIdentifier("1.3.132.0.34")!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:42:16: warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |     static let order = BInt("ffffffffffffffffffffffffffffffffffffffffffffffffc7634d81f4372ddf581a0db248b0a77aecec196accc52973", radix: 16)!
 41 |     static let cofactor = 1
 42 |     static let oid = ASN1ObjectIdentifier("1.3.132.0.34")!
    |                |- warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'oid' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 43 |
 44 |     init() {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:54:16: warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 52 |     static let privateKeySize = 66
 53 |     static let name = "secp521r1"
 54 |     static let p = BInt("1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", radix: 16)!
    |                |- warning: static property 'p' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 55 |     static let a = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", radix: 16)!
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:55:16: warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 53 |     static let name = "secp521r1"
 54 |     static let p = BInt("1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", radix: 16)!
 55 |     static let a = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", radix: 16)!
    |                |- warning: static property 'a' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'a' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:56:16: warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 54 |     static let p = BInt("1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", radix: 16)!
 55 |     static let a = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", radix: 16)!
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
    |                |- warning: static property 'b' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'b' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
 58 |     static let gy = BInt("11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:57:16: warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 55 |     static let a = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc", radix: 16)!
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
    |                |- warning: static property 'gx' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gx' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 58 |     static let gy = BInt("11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", radix: 16)!
 59 |     static let order = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", radix: 16)!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:58:16: warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 56 |     static let b = BInt("51953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00", radix: 16)!
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
 58 |     static let gy = BInt("11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", radix: 16)!
    |                |- warning: static property 'gy' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'gy' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 59 |     static let order = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", radix: 16)!
 60 |     static let cofactor = 1
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:59:16: warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
 57 |     static let gx = BInt("c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66", radix: 16)!
 58 |     static let gy = BInt("11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650", radix: 16)!
 59 |     static let order = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", radix: 16)!
    |                |- warning: static property 'order' is not concurrency-safe because non-'Sendable' type 'BInt' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'order' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 60 |     static let cofactor = 1
 61 |     static let oid = ASN1ObjectIdentifier("1.3.132.0.35")!
/Users/admin/builder/spi-builder-workspace/.build/checkouts/BigInt/Sources/BigInt/BigInt.swift:31:15: note: struct 'BInt' does not conform to the 'Sendable' protocol
  29 | infix operator ** : ExponentiationPrecedence
  30 |
  31 | public struct BInt: CustomStringConvertible, Comparable, Equatable, Hashable {
     |               `- note: struct 'BInt' does not conform to the 'Sendable' protocol
  32 |
  33 |     // MARK: - Constants
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:61:16: warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 59 |     static let order = BInt("1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409", radix: 16)!
 60 |     static let cofactor = 1
 61 |     static let oid = ASN1ObjectIdentifier("1.3.132.0.35")!
    |                |- warning: static property 'oid' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'oid' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 62 |
 63 |     init() {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:70:16: warning: static property 'p256' is not concurrency-safe because non-'Sendable' type 'CurveP256' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import BigInt
 10 |
 11 | class CurveP256: Curve {
    |       `- note: class 'CurveP256' does not conform to the 'Sendable' protocol
 12 |
 13 |     static let publicKeySize = 65
    :
 68 | class Curve {
 69 |
 70 |     static let p256 = CurveP256()
    |                |- warning: static property 'p256' is not concurrency-safe because non-'Sendable' type 'CurveP256' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p256' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 71 |     static let p384 = CurveP384()
 72 |     static let p521 = CurveP521()
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:71:16: warning: static property 'p384' is not concurrency-safe because non-'Sendable' type 'CurveP384' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | }
 29 |
 30 | class CurveP384: Curve {
    |       `- note: class 'CurveP384' does not conform to the 'Sendable' protocol
 31 |
 32 |     static let publicKeySize = 97
    :
 69 |
 70 |     static let p256 = CurveP256()
 71 |     static let p384 = CurveP384()
    |                |- warning: static property 'p384' is not concurrency-safe because non-'Sendable' type 'CurveP384' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p384' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 72 |     static let p521 = CurveP521()
 73 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:72:16: warning: static property 'p521' is not concurrency-safe because non-'Sendable' type 'CurveP521' may have shared mutable state; this is an error in the Swift 6 language mode
 47 | }
 48 |
 49 | class CurveP521: Curve {
    |       `- note: class 'CurveP521' does not conform to the 'Sendable' protocol
 50 |
 51 |     static let publicKeySize = 133
    :
 70 |     static let p256 = CurveP256()
 71 |     static let p384 = CurveP384()
 72 |     static let p521 = CurveP521()
    |                |- warning: static property 'p521' is not concurrency-safe because non-'Sendable' type 'CurveP521' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'p521' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 73 |
 74 |     static let OID_P = ASN1ObjectIdentifier("1.2.840.10045.1.1")!
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:74:16: warning: static property 'OID_P' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 72 |     static let p521 = CurveP521()
 73 |
 74 |     static let OID_P = ASN1ObjectIdentifier("1.2.840.10045.1.1")!
    |                |- warning: static property 'OID_P' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'OID_P' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 75 |     static let OID_EC = ASN1ObjectIdentifier("1.2.840.10045.2.1")!
 76 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
/Users/admin/builder/spi-builder-workspace/Sources/SwiftHPKE/Curve.swift:75:16: warning: static property 'OID_EC' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
 73 |
 74 |     static let OID_P = ASN1ObjectIdentifier("1.2.840.10045.1.1")!
 75 |     static let OID_EC = ASN1ObjectIdentifier("1.2.840.10045.2.1")!
    |                |- warning: static property 'OID_EC' is not concurrency-safe because non-'Sendable' type 'ASN1ObjectIdentifier' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'OID_EC' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 76 |
 77 |     // Generator point multiplication window width
/Users/admin/builder/spi-builder-workspace/.build/checkouts/ASN1/Sources/ASN1/ASN1ObjectIdentifier.swift:12:14: note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 10 |
 11 | /// The `ASN1` ObjectIdentifier class
 12 | public class ASN1ObjectIdentifier: ASN1SimpleType, CustomStringConvertible, Hashable {
    |              `- note: class 'ASN1ObjectIdentifier' does not conform to the 'Sendable' protocol
 13 |
 14 |     // MARK: - Initializers
Build complete! (27.36s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "asn1",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.7.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/leif-ibsen/ASN1"
    },
    {
      "identity" : "bigint",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.21.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/leif-ibsen/BigInt"
    },
    {
      "identity" : "digest",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.13.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/leif-ibsen/Digest"
    }
  ],
  "manifest_display_name" : "SwiftHPKE",
  "name" : "SwiftHPKE",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "8.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftHPKE",
      "targets" : [
        "SwiftHPKE"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftHPKETests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftHPKETests",
      "path" : "Tests/SwiftHPKETests",
      "sources" : [
        "CipherSuiteTest.swift",
        "CryptoKitAuthPSKTest.swift",
        "CryptoKitAuthTest.swift",
        "CryptoKitBaseTest.swift",
        "CryptoKitPSKTest.swift",
        "CryptoKitTest.swift",
        "Curve25519Test.swift",
        "Curve448Test.swift",
        "ExceptionTest.swift",
        "HPKETest.swift",
        "KeysTest.swift",
        "SenderRecipientTest.swift",
        "WycheproofP256Test.swift",
        "WycheproofP384Test.swift",
        "WycheproofP521Test.swift",
        "WycheproofX25519Test.swift",
        "WycheproofX448Test.swift"
      ],
      "target_dependencies" : [
        "SwiftHPKE"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftHPKE",
      "module_type" : "SwiftTarget",
      "name" : "SwiftHPKE",
      "path" : "Sources/SwiftHPKE",
      "product_dependencies" : [
        "ASN1",
        "BigInt",
        "Digest"
      ],
      "product_memberships" : [
        "SwiftHPKE"
      ],
      "sources" : [
        "AEAD.swift",
        "CipherSuite.swift",
        "Curve.swift",
        "Exception.swift",
        "KDF.swift",
        "KEM.swift",
        "Point.swift",
        "PrivateKey.swift",
        "PublicKey.swift",
        "Recipient.swift",
        "Sender.swift",
        "X255_448/Curve25519.swift",
        "X255_448/Curve448.swift",
        "X255_448/Field25519.swift",
        "X255_448/Field448.swift",
        "X255_448/UInt128.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.