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+ Added `ExportBc` and `ImportBc` methods and `IsBcImportExportImplemented` to asymmetric keys which support ex-/import using a key info object + Added constructor to asymmetric private keys which accepts a Bouncy Castle private key, if the public key can be generated from that private key + Added `BouncyCastleAsymmetricAlgorithmBase` which supports any key generator type + Added Streamlined NTRU Prime asymmetric PQC key exchange algorithm + Added BIKE asymmetric PQC key exchange algorithm + Added HQC asymmetric PQC key exchange algorithm + Added Picnic asymmetric PQC signature algorithm - Fixed Falcon, FrodoKEM, CRYSTALS-Kyber, NTRUEncrypt and SPHINCS+ asymmetric public key `Bits` property
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| using Org.BouncyCastle.Pqc.Crypto.Bike; | ||
| using System.Collections.ObjectModel; | ||
|
|
||
| namespace wan24.Crypto.BC | ||
| { | ||
| /// <summary> | ||
| /// BIKE asymmetric algorithm | ||
| /// </summary> | ||
| public sealed record class AsymmetricBikeAlgorithm | ||
| : BouncyCastleAsymmetricAlgorithmBase< | ||
| AsymmetricBikePublicKey, | ||
| AsymmetricBikePrivateKey, | ||
| BikeKeyPairGenerator, | ||
| BikeKeyGenerationParameters, | ||
| BikeParameters, | ||
| BikePublicKeyParameters, | ||
| BikePrivateKeyParameters, | ||
| AsymmetricBikeAlgorithm | ||
| > | ||
| { | ||
| /// <summary> | ||
| /// Algorithm name | ||
| /// </summary> | ||
| public const string ALGORITHM_NAME = "BIKE"; | ||
| /// <summary> | ||
| /// Algorithm value | ||
| /// </summary> | ||
| public const int ALGORITHM_VALUE = 15; | ||
| /// <summary> | ||
| /// Default key size in bits | ||
| /// </summary> | ||
| public const int DEFAULT_KEY_SIZE = 256; | ||
| /// <summary> | ||
| /// Algorithm usages | ||
| /// </summary> | ||
| public const AsymmetricAlgorithmUsages USAGES = AsymmetricAlgorithmUsages.KeyExchange; | ||
| /// <summary> | ||
| /// Display name | ||
| /// </summary> | ||
| public const string DISPLAY_NAME = "BIKE"; | ||
|
|
||
| /// <summary> | ||
| /// Allowed key sizes in bits | ||
| /// </summary> | ||
| private static readonly ReadOnlyCollection<int> _AllowedKeySizes; | ||
|
|
||
| /// <summary> | ||
| /// Static constructor | ||
| /// </summary> | ||
| static AsymmetricBikeAlgorithm() => _AllowedKeySizes = new List<int>() | ||
| { | ||
| 128,// 128 bit security | ||
| 192,// 192 bit security | ||
| 256// 256 bit security | ||
| }.AsReadOnly(); | ||
|
|
||
| /// <summary> | ||
| /// Constructor | ||
| /// </summary> | ||
| public AsymmetricBikeAlgorithm() | ||
| : base(ALGORITHM_NAME, ALGORITHM_VALUE, USAGES, isEllipticCurveAlgorithm: false, _AllowedKeySizes, isPostQuantum: true, DEFAULT_KEY_SIZE) | ||
| { } | ||
|
|
||
| /// <inheritdoc/> | ||
| public override string DisplayName => DISPLAY_NAME; | ||
|
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| /// <inheritdoc/> | ||
| protected override BikeParameters GetEngineParameters(CryptoOptions options) => AsymmetricBikeHelper.GetParameters(options.AsymmetricKeyBits); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| using Org.BouncyCastle.Pqc.Crypto.Bike; | ||
|
|
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| namespace wan24.Crypto.BC | ||
| { | ||
| /// <summary> | ||
| /// BIKE asymmetric algorithm helper | ||
| /// </summary> | ||
| public static class AsymmetricBikeHelper | ||
| { | ||
| /// <summary> | ||
| /// Get the key size in bits | ||
| /// </summary> | ||
| /// <param name="param">Parameters</param> | ||
| /// <returns>Key size in bits</returns> | ||
| public static int GetKeySize(this BikeParameters param) | ||
| { | ||
| if (param == BikeParameters.bike128) return 128; | ||
| if (param == BikeParameters.bike192) return 192; | ||
| if (param == BikeParameters.bike256) return 256; | ||
| throw new ArgumentException("Invalid BIKE parameters", nameof(param)); | ||
| } | ||
|
|
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| /// <summary> | ||
| /// Get the BIKE parameters | ||
| /// </summary> | ||
| /// <param name="keySize">Key size in bits</param> | ||
| /// <returns>Parameters</returns> | ||
| public static BikeParameters GetParameters(int keySize) => keySize switch | ||
| { | ||
| 128 => BikeParameters.bike128, | ||
| 192 => BikeParameters.bike192, | ||
| 256 => BikeParameters.bike256, | ||
| _ => throw new ArgumentException("Invalid key size", nameof(keySize)) | ||
| }; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| using Org.BouncyCastle.Crypto; | ||
| using Org.BouncyCastle.Pqc.Crypto.Bike; | ||
| using wan24.Core; | ||
|
|
||
| namespace wan24.Crypto.BC | ||
| { | ||
| /// <summary> | ||
| /// BIKE asymmetric private key | ||
| /// </summary> | ||
| public sealed record class AsymmetricBikePrivateKey | ||
| : BouncyCastleAsymmetricPqcPrivateKeyExchangeKeyBase< | ||
| AsymmetricBikePublicKey, | ||
| AsymmetricBikeAlgorithm, | ||
| BikePublicKeyParameters, | ||
| BikePrivateKeyParameters, | ||
| BikeKemGenerator, | ||
| BikeKemExtractor, | ||
| AsymmetricBikePrivateKey | ||
| > | ||
| { | ||
| /// <summary> | ||
| /// Constructor | ||
| /// </summary> | ||
| public AsymmetricBikePrivateKey() : base(AsymmetricBikeAlgorithm.ALGORITHM_NAME) { } | ||
|
|
||
| /// <summary> | ||
| /// Constructor | ||
| /// </summary> | ||
| /// <param name="keyData">Key data</param> | ||
| public AsymmetricBikePrivateKey(byte[] keyData) : base(AsymmetricBikeAlgorithm.ALGORITHM_NAME, keyData) { } | ||
|
|
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| /// <summary> | ||
| /// Constructor | ||
| /// </summary> | ||
| /// <param name="keys">Keys</param> | ||
| public AsymmetricBikePrivateKey(AsymmetricCipherKeyPair keys) : base(AsymmetricBikeAlgorithm.ALGORITHM_NAME, keys) { } | ||
|
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| /// <inheritdoc/> | ||
| new public static bool IsBcImportExportImplemented => false; | ||
|
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| /// <inheritdoc/> | ||
| protected override byte[] SerializeKeyData() => SerializeFullKeyData(); | ||
|
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| /// <inheritdoc/> | ||
| protected override void DeserializeKeyData() => DeserializeFullKeyData(); | ||
|
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| /// <inheritdoc/> | ||
| protected override BikePublicKeyParameters GetPublicKey(BikePrivateKeyParameters privateKey) => throw new NotSupportedException(); | ||
|
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| /// <inheritdoc/> | ||
| protected override void Dispose(bool disposing) | ||
| { | ||
| base.Dispose(disposing); | ||
| if (Keys?.Private is not BikePrivateKeyParameters privateKey) return; | ||
| privateKey.GetH0().Clear(); | ||
| privateKey.GetH1().Clear(); | ||
| privateKey.GetSigma().Clear(); | ||
| } | ||
|
|
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| /// <inheritdoc/> | ||
| protected override async Task DisposeCore() | ||
| { | ||
| await base.DisposeCore().DynamicContext(); | ||
| if (Keys?.Private is not BikePrivateKeyParameters privateKey) return; | ||
| privateKey.GetH0().Clear(); | ||
| privateKey.GetH1().Clear(); | ||
| privateKey.GetSigma().Clear(); | ||
| } | ||
|
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| /// <summary> | ||
| /// Cast to public key | ||
| /// </summary> | ||
| /// <param name="privateKey">Private key</param> | ||
| public static implicit operator AsymmetricBikePublicKey(AsymmetricBikePrivateKey privateKey) => privateKey.PublicKey; | ||
|
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| /// <summary> | ||
| /// Cast from serialized data | ||
| /// </summary> | ||
| /// <param name="data">Data</param> | ||
| public static explicit operator AsymmetricBikePrivateKey(byte[] data) => Import<AsymmetricBikePrivateKey>(data); | ||
| } | ||
| } |
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