diff --git a/Ed25519/Tests/SignerTests.cs b/Ed25519/Tests/SignerTests.cs index 2f1b657..a19f7a9 100644 --- a/Ed25519/Tests/SignerTests.cs +++ b/Ed25519/Tests/SignerTests.cs @@ -22,6 +22,17 @@ namespace Ed25519 Assert.That(signature.Length, Is.EqualTo(64)); } + [Test] + public async Task TestSignatureLengthAsync() + { + var message = Encoding.UTF8.GetBytes("This is a test message."); + var privateKey = await Signer.GeneratePrivateKeyAsync(); + var publicKey = await privateKey.ExtractPublicKeyAsync(); + var signature = await Signer.SignAsync(message, privateKey, publicKey); + + Assert.That(signature.Length, Is.EqualTo(64)); + } + [Test] public void TestManipulatedPublicKey() { @@ -40,6 +51,24 @@ namespace Ed25519 } } + [Test] + public async Task TestManipulatedPublicKeyAsync() + { + var message = Encoding.UTF8.GetBytes("This is a test message."); + var privateKey = await Signer.GeneratePrivateKeyAsync(); + var publicKey = (await privateKey.ExtractPublicKeyAsync())[2..]; + + try + { + await Signer.SignAsync(message, privateKey, publicKey); + Assert.Fail("Should not be reached!"); + } + catch (ArgumentException e) + { + Assert.That(true); // Public key is too short! + } + } + [Test] public void TestSimpleMessageValidation() { @@ -52,6 +81,18 @@ namespace Ed25519 Assert.That(validationResult, Is.True); } + [Test] + public async Task TestSimpleMessageValidationAsync() + { + var message = Encoding.UTF8.GetBytes("This is a test message."); + var privateKey = await Signer.GeneratePrivateKeyAsync(); + var publicKey = await privateKey.ExtractPublicKeyAsync(); + var signature = await Signer.SignAsync(message, privateKey, publicKey); + var validationResult = await Signer.ValidateAsync(signature, message, publicKey); + + Assert.That(validationResult, Is.True); + } + [Test] public void TestSlightlyChangedMessageValidation() { @@ -66,6 +107,20 @@ namespace Ed25519 Assert.That(validationResult, Is.False); // Message was altered! } + [Test] + public async Task TestSlightlyChangedMessageValidationAsync() + { + var messageOriginal = Encoding.UTF8.GetBytes("This is a test message."); + var privateKey = await Signer.GeneratePrivateKeyAsync(); + var publicKey = await privateKey.ExtractPublicKeyAsync(); + var signature = await Signer.SignAsync(messageOriginal, privateKey, publicKey); + + var messageAltered = Encoding.UTF8.GetBytes("This is a test message!"); + var validationResult = await Signer.ValidateAsync(signature, messageAltered, publicKey); + + Assert.That(validationResult, Is.False); // Message was altered! + } + [Test] public void TestSlightlyChangedMessageDifferentSignatures() { @@ -81,6 +136,21 @@ namespace Ed25519 Assert.That(signatureOriginal.ToArray(), Is.Not.EqualTo(signatureAltered.ToArray())); } + [Test] + public async Task TestSlightlyChangedMessageDifferentSignaturesAsync() + { + var messageOriginal = Encoding.UTF8.GetBytes("This is a test message."); + var privateKey = await Signer.GeneratePrivateKeyAsync(); + var publicKey = await privateKey.ExtractPublicKeyAsync(); + var signatureOriginal = await Signer.SignAsync(messageOriginal, privateKey, publicKey); + + var messageAltered = Encoding.UTF8.GetBytes("This is a test message!"); + var signatureAltered = await Signer.SignAsync(messageAltered, privateKey, publicKey); + + // Two different messages must produce different signatures! + Assert.That(signatureOriginal, Is.Not.EqualTo(signatureAltered)); + } + [Test] public void TestMessageValidationWithDifferentEncodings() { @@ -96,6 +166,21 @@ namespace Ed25519 Assert.That(signatureOriginal.ToArray(), Is.Not.EqualTo(signatureAltered.ToArray())); } + [Test] + public async Task TestMessageValidationWithDifferentEncodingsAsync() + { + var messageOriginal = Encoding.ASCII.GetBytes("This is a test message."); + var privateKey = await Signer.GeneratePrivateKeyAsync(); + var publicKey = await privateKey.ExtractPublicKeyAsync(); + var signatureOriginal = await Signer.SignAsync(messageOriginal, privateKey, publicKey); + + var messageAltered = Encoding.UTF32.GetBytes("This is a test message."); + var signatureAltered = await Signer.SignAsync(messageAltered, privateKey, publicKey); + + // Two equal messages with different encoding must produce different signatures: + Assert.That(signatureOriginal, Is.Not.EqualTo(signatureAltered)); + } + [Test] public void TestMessageWithUmlautsAndDifferentEncodings() { @@ -139,6 +224,17 @@ namespace Ed25519 Assert.That(privateKey.ToArray(), Is.Not.EqualTo(publicKey.ToArray())); } + [Test] + public async Task TestKeyGeneratorWithoutPasswordAsync() + { + var privateKey = await Signer.GeneratePrivateKeyAsync(); + var publicKey = await privateKey.ExtractPublicKeyAsync(); + + Assert.That(privateKey.Length, Is.EqualTo(32)); + Assert.That(publicKey.Length, Is.EqualTo(32)); + Assert.That(privateKey, Is.Not.EqualTo(publicKey)); + } + [Test] public void TestKeyGeneratorWithPassword() { @@ -155,6 +251,22 @@ namespace Ed25519 Assert.That(privateKeyDecrypted.ToArray(), Is.Not.EqualTo(publicKey.ToArray())); } + [Test] + public async Task TestKeyGeneratorWithPasswordAsync() + { + var password = "test password"; + var privateKeyEncrypted = await Signer.GeneratePrivateKeyAsync(password); + var privateKeyDecrypted = await privateKeyEncrypted.DecryptPrivateKeyAsync(password); + var publicKey = await privateKeyDecrypted.ExtractPublicKeyAsync(); + + Assert.That(privateKeyEncrypted.Length, Is.GreaterThan(32)); + Assert.That(privateKeyDecrypted.Length, Is.EqualTo(32)); + Assert.That(publicKey.Length, Is.EqualTo(32)); + Assert.That(privateKeyEncrypted, Is.Not.EqualTo(privateKeyDecrypted)); + Assert.That(privateKeyEncrypted, Is.Not.EqualTo(publicKey)); + Assert.That(privateKeyDecrypted, Is.Not.EqualTo(publicKey)); + } + [Test] public void TestMultipleKeysWithoutPassword() { @@ -167,6 +279,18 @@ namespace Ed25519 Assert.That(privateKey2.ToArray(), Is.Not.EqualTo(privateKey3.ToArray())); } + [Test] + public async Task TestMultipleKeysWithoutPasswordAsync() + { + var privateKey1 = await Signer.GeneratePrivateKeyAsync(); + var privateKey2 = await Signer.GeneratePrivateKeyAsync(); + var privateKey3 = await Signer.GeneratePrivateKeyAsync(); + + Assert.That(privateKey1, Is.Not.EqualTo(privateKey2)); + Assert.That(privateKey1, Is.Not.EqualTo(privateKey3)); + Assert.That(privateKey2, Is.Not.EqualTo(privateKey3)); + } + [Test] public void TestMultipleKeysWithPassword() { @@ -180,6 +304,19 @@ namespace Ed25519 Assert.That(privateKey2.ToArray(), Is.Not.EqualTo(privateKey3.ToArray())); } + [Test] + public async Task TestMultipleKeysWithPasswordAsync() + { + var password = "test password"; + var privateKey1 = await Signer.GeneratePrivateKeyAsync(password); + var privateKey2 = await Signer.GeneratePrivateKeyAsync(password); + var privateKey3 = await Signer.GeneratePrivateKeyAsync(password); + + Assert.That(privateKey1, Is.Not.EqualTo(privateKey2)); + Assert.That(privateKey1, Is.Not.EqualTo(privateKey3)); + Assert.That(privateKey2, Is.Not.EqualTo(privateKey3)); + } + [Test] public void TestPublicKeyFromRandomData() { @@ -191,6 +328,16 @@ namespace Ed25519 Assert.That(publicKey.IsEmpty, Is.True); } + [Test] + public async Task TestPublicKeyFromRandomDataAsync() + { + var privateKey = new byte[] { 0x00, 0xac, 0x48 }; + var publicKey = await privateKey.ExtractPublicKeyAsync(); + + Assert.That(privateKey.Length, Is.EqualTo(3)); + Assert.That(publicKey, Is.Null); + } + [Test] public void TestWritingAndLoadingKeys() { @@ -221,6 +368,36 @@ namespace Ed25519 } } + [Test] + public async Task TestWritingAndLoadingKeysAsync() + { + var tempFilePrivate = Path.GetTempFileName(); + var tempFilePublic = Path.GetTempFileName(); + + try + { + var privateKey = await Signer.GeneratePrivateKeyAsync(); + var publicKey = await privateKey.ExtractPublicKeyAsync(); + + await privateKey.WriteKeyAsync(tempFilePrivate); + await publicKey.WriteKeyAsync(tempFilePublic); + + var reloadPrivateKey = await Signer.LoadKeyAsync(tempFilePrivate); + var reloadPublicKey = await Signer.LoadKeyAsync(tempFilePublic); + + Assert.That(reloadPublicKey.Length, Is.EqualTo(32)); + Assert.That(reloadPrivateKey.Length, Is.EqualTo(32)); + + Assert.That(reloadPublicKey, Is.EqualTo(publicKey)); + Assert.That(reloadPrivateKey, Is.EqualTo(privateKey)); + } + finally + { + File.Delete(tempFilePublic); + File.Delete(tempFilePrivate); + } + } + [Test] public void TestExtractPublicKeyFromEncryptedPrivateKey() { @@ -232,6 +409,17 @@ namespace Ed25519 Assert.That(publicKeyFromDecrypted.ToArray(), Is.Not.EqualTo(publicKeyFromEncrypted.ToArray())); } + [Test] + public async Task TestExtractPublicKeyFromEncryptedPrivateKeyAsync() + { + var privateKeyEncrypted = await Signer.GeneratePrivateKeyAsync("secret password"); + var privateKeyDecrypted = await privateKeyEncrypted.DecryptPrivateKeyAsync("secret password"); + var publicKeyFromDecrypted = await privateKeyDecrypted.ExtractPublicKeyAsync(); + var publicKeyFromEncrypted = await privateKeyEncrypted.ExtractPublicKeyAsync(); + + Assert.That(publicKeyFromDecrypted, Is.Not.EqualTo(publicKeyFromEncrypted)); + } + [Test] public void TestExtractPublicKeyFromTooShortPrivateKey() { @@ -265,6 +453,23 @@ namespace Ed25519 Assert.That(signaturePrivateKeyEncrypted.ToArray(), Is.Not.EqualTo(signaturePrivateKeyDecrypted.ToArray())); } + [Test] + public async Task TestSigningBehaviourPrivateKeyWithPasswordAsync() + { + var privateKeyEncrypted = await Signer.GeneratePrivateKeyAsync("secret password"); + var privateKeyDecrypted = await privateKeyEncrypted.DecryptPrivateKeyAsync("secret password"); + var publicKey = await privateKeyDecrypted.ExtractPublicKeyAsync(); + var message = Encoding.UTF8.GetBytes("This is a test message."); + var signaturePrivateKeyDecrypted = await Signer.SignAsync(message, privateKeyDecrypted, publicKey); + var signaturePrivateKeyEncrypted = await Signer.SignAsync(message, privateKeyEncrypted[..32], publicKey); // Note: The encrypted private key is 64 bytes long! + var validationDecrypted = await Signer.ValidateAsync(signaturePrivateKeyDecrypted, message, publicKey); + var validationEncrypted = await Signer.ValidateAsync(signaturePrivateKeyEncrypted, message, publicKey); + + Assert.That(validationDecrypted, Is.True); // This is the intended behaviour. The public key was derived from the decrypted private key. + Assert.That(validationEncrypted, Is.False); // This should fail, because the public key does not match the *encrypted* private key! + Assert.That(signaturePrivateKeyEncrypted, Is.Not.EqualTo(signaturePrivateKeyDecrypted)); + } + [Test] public void TestPerformanceSigning() { @@ -294,6 +499,35 @@ namespace Ed25519 Assert.That(true); } + [Test] + public async Task TestPerformanceSigningAsync() + { + var privateKey = await Signer.GeneratePrivateKeyAsync(); + var publicKey = await privateKey.ExtractPublicKeyAsync(); + var rng = new Random(); + var payload = new byte[1_024]; + var stopwatch = new Stopwatch(); + var desiredRuntime = TimeSpan.FromSeconds(30); + var counter = 0; + + while (true) + { + counter++; + rng.NextBytes(payload); + + stopwatch.Start(); + await Signer.SignAsync(payload, privateKey, publicKey); + stopwatch.Stop(); + + if (stopwatch.Elapsed >= desiredRuntime) + break; + } + + var result = counter / stopwatch.Elapsed.TotalSeconds; + TestContext.Write($"Benchmark for signing messages: {result:0.00} messages/second"); + Assert.That(true); + } + [Test] public void TestPerformanceValidation() { @@ -325,6 +559,37 @@ namespace Ed25519 Assert.That(true); } + [Test] + public async Task TestPerformanceValidationAsync() + { + var privateKey = await Signer.GeneratePrivateKeyAsync(); + var publicKey = await privateKey.ExtractPublicKeyAsync(); + var rng = new Random(); + var payload = new byte[1_024]; + var stopwatch = new Stopwatch(); + var desiredRuntime = TimeSpan.FromSeconds(30); + var counter = 0; + + while (true) + { + counter++; + rng.NextBytes(payload); + + var signature = await Signer.SignAsync(payload, privateKey, publicKey); + + stopwatch.Start(); + await Signer.ValidateAsync(signature, payload, publicKey); + stopwatch.Stop(); + + if (stopwatch.Elapsed >= desiredRuntime) + break; + } + + var result = counter / stopwatch.Elapsed.TotalSeconds; + TestContext.Write($"Benchmark for validation of messages: {result:0.00} messages/second"); + Assert.That(true); + } + [Test] public void TestLoadingNotExistingKey() { @@ -542,5 +807,104 @@ namespace Ed25519 var validationResult = Signer.Validate(signature, message, publicKey); Assert.That(validationResult, Is.True); } + + // See https://tools.ietf.org/html/rfc8032#section-7.1 + [Test] + public async Task TestRFC8032Test04With1kMessageAsync() + { + var message = new byte[] + { + 0x08, 0xb8, 0xb2, 0xb7, 0x33, 0x42, 0x42, 0x43, 0x76, 0x0f, 0xe4, 0x26, 0xa4, 0xb5, 0x49, 0x08, + 0x63, 0x21, 0x10, 0xa6, 0x6c, 0x2f, 0x65, 0x91, 0xea, 0xbd, 0x33, 0x45, 0xe3, 0xe4, 0xeb, 0x98, + 0xfa, 0x6e, 0x26, 0x4b, 0xf0, 0x9e, 0xfe, 0x12, 0xee, 0x50, 0xf8, 0xf5, 0x4e, 0x9f, 0x77, 0xb1, + 0xe3, 0x55, 0xf6, 0xc5, 0x05, 0x44, 0xe2, 0x3f, 0xb1, 0x43, 0x3d, 0xdf, 0x73, 0xbe, 0x84, 0xd8, + 0x79, 0xde, 0x7c, 0x00, 0x46, 0xdc, 0x49, 0x96, 0xd9, 0xe7, 0x73, 0xf4, 0xbc, 0x9e, 0xfe, 0x57, + 0x38, 0x82, 0x9a, 0xdb, 0x26, 0xc8, 0x1b, 0x37, 0xc9, 0x3a, 0x1b, 0x27, 0x0b, 0x20, 0x32, 0x9d, + 0x65, 0x86, 0x75, 0xfc, 0x6e, 0xa5, 0x34, 0xe0, 0x81, 0x0a, 0x44, 0x32, 0x82, 0x6b, 0xf5, 0x8c, + 0x94, 0x1e, 0xfb, 0x65, 0xd5, 0x7a, 0x33, 0x8b, 0xbd, 0x2e, 0x26, 0x64, 0x0f, 0x89, 0xff, 0xbc, + 0x1a, 0x85, 0x8e, 0xfc, 0xb8, 0x55, 0x0e, 0xe3, 0xa5, 0xe1, 0x99, 0x8b, 0xd1, 0x77, 0xe9, 0x3a, + 0x73, 0x63, 0xc3, 0x44, 0xfe, 0x6b, 0x19, 0x9e, 0xe5, 0xd0, 0x2e, 0x82, 0xd5, 0x22, 0xc4, 0xfe, + 0xba, 0x15, 0x45, 0x2f, 0x80, 0x28, 0x8a, 0x82, 0x1a, 0x57, 0x91, 0x16, 0xec, 0x6d, 0xad, 0x2b, + 0x3b, 0x31, 0x0d, 0xa9, 0x03, 0x40, 0x1a, 0xa6, 0x21, 0x00, 0xab, 0x5d, 0x1a, 0x36, 0x55, 0x3e, + 0x06, 0x20, 0x3b, 0x33, 0x89, 0x0c, 0xc9, 0xb8, 0x32, 0xf7, 0x9e, 0xf8, 0x05, 0x60, 0xcc, 0xb9, + 0xa3, 0x9c, 0xe7, 0x67, 0x96, 0x7e, 0xd6, 0x28, 0xc6, 0xad, 0x57, 0x3c, 0xb1, 0x16, 0xdb, 0xef, + 0xef, 0xd7, 0x54, 0x99, 0xda, 0x96, 0xbd, 0x68, 0xa8, 0xa9, 0x7b, 0x92, 0x8a, 0x8b, 0xbc, 0x10, + 0x3b, 0x66, 0x21, 0xfc, 0xde, 0x2b, 0xec, 0xa1, 0x23, 0x1d, 0x20, 0x6b, 0xe6, 0xcd, 0x9e, 0xc7, + 0xaf, 0xf6, 0xf6, 0xc9, 0x4f, 0xcd, 0x72, 0x04, 0xed, 0x34, 0x55, 0xc6, 0x8c, 0x83, 0xf4, 0xa4, + 0x1d, 0xa4, 0xaf, 0x2b, 0x74, 0xef, 0x5c, 0x53, 0xf1, 0xd8, 0xac, 0x70, 0xbd, 0xcb, 0x7e, 0xd1, + 0x85, 0xce, 0x81, 0xbd, 0x84, 0x35, 0x9d, 0x44, 0x25, 0x4d, 0x95, 0x62, 0x9e, 0x98, 0x55, 0xa9, + 0x4a, 0x7c, 0x19, 0x58, 0xd1, 0xf8, 0xad, 0xa5, 0xd0, 0x53, 0x2e, 0xd8, 0xa5, 0xaa, 0x3f, 0xb2, + 0xd1, 0x7b, 0xa7, 0x0e, 0xb6, 0x24, 0x8e, 0x59, 0x4e, 0x1a, 0x22, 0x97, 0xac, 0xbb, 0xb3, 0x9d, + 0x50, 0x2f, 0x1a, 0x8c, 0x6e, 0xb6, 0xf1, 0xce, 0x22, 0xb3, 0xde, 0x1a, 0x1f, 0x40, 0xcc, 0x24, + 0x55, 0x41, 0x19, 0xa8, 0x31, 0xa9, 0xaa, 0xd6, 0x07, 0x9c, 0xad, 0x88, 0x42, 0x5d, 0xe6, 0xbd, + 0xe1, 0xa9, 0x18, 0x7e, 0xbb, 0x60, 0x92, 0xcf, 0x67, 0xbf, 0x2b, 0x13, 0xfd, 0x65, 0xf2, 0x70, + 0x88, 0xd7, 0x8b, 0x7e, 0x88, 0x3c, 0x87, 0x59, 0xd2, 0xc4, 0xf5, 0xc6, 0x5a, 0xdb, 0x75, 0x53, + 0x87, 0x8a, 0xd5, 0x75, 0xf9, 0xfa, 0xd8, 0x78, 0xe8, 0x0a, 0x0c, 0x9b, 0xa6, 0x3b, 0xcb, 0xcc, + 0x27, 0x32, 0xe6, 0x94, 0x85, 0xbb, 0xc9, 0xc9, 0x0b, 0xfb, 0xd6, 0x24, 0x81, 0xd9, 0x08, 0x9b, + 0xec, 0xcf, 0x80, 0xcf, 0xe2, 0xdf, 0x16, 0xa2, 0xcf, 0x65, 0xbd, 0x92, 0xdd, 0x59, 0x7b, 0x07, + 0x07, 0xe0, 0x91, 0x7a, 0xf4, 0x8b, 0xbb, 0x75, 0xfe, 0xd4, 0x13, 0xd2, 0x38, 0xf5, 0x55, 0x5a, + 0x7a, 0x56, 0x9d, 0x80, 0xc3, 0x41, 0x4a, 0x8d, 0x08, 0x59, 0xdc, 0x65, 0xa4, 0x61, 0x28, 0xba, + 0xb2, 0x7a, 0xf8, 0x7a, 0x71, 0x31, 0x4f, 0x31, 0x8c, 0x78, 0x2b, 0x23, 0xeb, 0xfe, 0x80, 0x8b, + 0x82, 0xb0, 0xce, 0x26, 0x40, 0x1d, 0x2e, 0x22, 0xf0, 0x4d, 0x83, 0xd1, 0x25, 0x5d, 0xc5, 0x1a, + 0xdd, 0xd3, 0xb7, 0x5a, 0x2b, 0x1a, 0xe0, 0x78, 0x45, 0x04, 0xdf, 0x54, 0x3a, 0xf8, 0x96, 0x9b, + 0xe3, 0xea, 0x70, 0x82, 0xff, 0x7f, 0xc9, 0x88, 0x8c, 0x14, 0x4d, 0xa2, 0xaf, 0x58, 0x42, 0x9e, + 0xc9, 0x60, 0x31, 0xdb, 0xca, 0xd3, 0xda, 0xd9, 0xaf, 0x0d, 0xcb, 0xaa, 0xaf, 0x26, 0x8c, 0xb8, + 0xfc, 0xff, 0xea, 0xd9, 0x4f, 0x3c, 0x7c, 0xa4, 0x95, 0xe0, 0x56, 0xa9, 0xb4, 0x7a, 0xcd, 0xb7, + 0x51, 0xfb, 0x73, 0xe6, 0x66, 0xc6, 0xc6, 0x55, 0xad, 0xe8, 0x29, 0x72, 0x97, 0xd0, 0x7a, 0xd1, + 0xba, 0x5e, 0x43, 0xf1, 0xbc, 0xa3, 0x23, 0x01, 0x65, 0x13, 0x39, 0xe2, 0x29, 0x04, 0xcc, 0x8c, + 0x42, 0xf5, 0x8c, 0x30, 0xc0, 0x4a, 0xaf, 0xdb, 0x03, 0x8d, 0xda, 0x08, 0x47, 0xdd, 0x98, 0x8d, + 0xcd, 0xa6, 0xf3, 0xbf, 0xd1, 0x5c, 0x4b, 0x4c, 0x45, 0x25, 0x00, 0x4a, 0xa0, 0x6e, 0xef, 0xf8, + 0xca, 0x61, 0x78, 0x3a, 0xac, 0xec, 0x57, 0xfb, 0x3d, 0x1f, 0x92, 0xb0, 0xfe, 0x2f, 0xd1, 0xa8, + 0x5f, 0x67, 0x24, 0x51, 0x7b, 0x65, 0xe6, 0x14, 0xad, 0x68, 0x08, 0xd6, 0xf6, 0xee, 0x34, 0xdf, + 0xf7, 0x31, 0x0f, 0xdc, 0x82, 0xae, 0xbf, 0xd9, 0x04, 0xb0, 0x1e, 0x1d, 0xc5, 0x4b, 0x29, 0x27, + 0x09, 0x4b, 0x2d, 0xb6, 0x8d, 0x6f, 0x90, 0x3b, 0x68, 0x40, 0x1a, 0xde, 0xbf, 0x5a, 0x7e, 0x08, + 0xd7, 0x8f, 0xf4, 0xef, 0x5d, 0x63, 0x65, 0x3a, 0x65, 0x04, 0x0c, 0xf9, 0xbf, 0xd4, 0xac, 0xa7, + 0x98, 0x4a, 0x74, 0xd3, 0x71, 0x45, 0x98, 0x67, 0x80, 0xfc, 0x0b, 0x16, 0xac, 0x45, 0x16, 0x49, + 0xde, 0x61, 0x88, 0xa7, 0xdb, 0xdf, 0x19, 0x1f, 0x64, 0xb5, 0xfc, 0x5e, 0x2a, 0xb4, 0x7b, 0x57, + 0xf7, 0xf7, 0x27, 0x6c, 0xd4, 0x19, 0xc1, 0x7a, 0x3c, 0xa8, 0xe1, 0xb9, 0x39, 0xae, 0x49, 0xe4, + 0x88, 0xac, 0xba, 0x6b, 0x96, 0x56, 0x10, 0xb5, 0x48, 0x01, 0x09, 0xc8, 0xb1, 0x7b, 0x80, 0xe1, + 0xb7, 0xb7, 0x50, 0xdf, 0xc7, 0x59, 0x8d, 0x5d, 0x50, 0x11, 0xfd, 0x2d, 0xcc, 0x56, 0x00, 0xa3, + 0x2e, 0xf5, 0xb5, 0x2a, 0x1e, 0xcc, 0x82, 0x0e, 0x30, 0x8a, 0xa3, 0x42, 0x72, 0x1a, 0xac, 0x09, + 0x43, 0xbf, 0x66, 0x86, 0xb6, 0x4b, 0x25, 0x79, 0x37, 0x65, 0x04, 0xcc, 0xc4, 0x93, 0xd9, 0x7e, + 0x6a, 0xed, 0x3f, 0xb0, 0xf9, 0xcd, 0x71, 0xa4, 0x3d, 0xd4, 0x97, 0xf0, 0x1f, 0x17, 0xc0, 0xe2, + 0xcb, 0x37, 0x97, 0xaa, 0x2a, 0x2f, 0x25, 0x66, 0x56, 0x16, 0x8e, 0x6c, 0x49, 0x6a, 0xfc, 0x5f, + 0xb9, 0x32, 0x46, 0xf6, 0xb1, 0x11, 0x63, 0x98, 0xa3, 0x46, 0xf1, 0xa6, 0x41, 0xf3, 0xb0, 0x41, + 0xe9, 0x89, 0xf7, 0x91, 0x4f, 0x90, 0xcc, 0x2c, 0x7f, 0xff, 0x35, 0x78, 0x76, 0xe5, 0x06, 0xb5, + 0x0d, 0x33, 0x4b, 0xa7, 0x7c, 0x22, 0x5b, 0xc3, 0x07, 0xba, 0x53, 0x71, 0x52, 0xf3, 0xf1, 0x61, + 0x0e, 0x4e, 0xaf, 0xe5, 0x95, 0xf6, 0xd9, 0xd9, 0x0d, 0x11, 0xfa, 0xa9, 0x33, 0xa1, 0x5e, 0xf1, + 0x36, 0x95, 0x46, 0x86, 0x8a, 0x7f, 0x3a, 0x45, 0xa9, 0x67, 0x68, 0xd4, 0x0f, 0xd9, 0xd0, 0x34, + 0x12, 0xc0, 0x91, 0xc6, 0x31, 0x5c, 0xf4, 0xfd, 0xe7, 0xcb, 0x68, 0x60, 0x69, 0x37, 0x38, 0x0d, + 0xb2, 0xea, 0xaa, 0x70, 0x7b, 0x4c, 0x41, 0x85, 0xc3, 0x2e, 0xdd, 0xcd, 0xd3, 0x06, 0x70, 0x5e, + 0x4d, 0xc1, 0xff, 0xc8, 0x72, 0xee, 0xee, 0x47, 0x5a, 0x64, 0xdf, 0xac, 0x86, 0xab, 0xa4, 0x1c, + 0x06, 0x18, 0x98, 0x3f, 0x87, 0x41, 0xc5, 0xef, 0x68, 0xd3, 0xa1, 0x01, 0xe8, 0xa3, 0xb8, 0xca, + 0xc6, 0x0c, 0x90, 0x5c, 0x15, 0xfc, 0x91, 0x08, 0x40, 0xb9, 0x4c, 0x00, 0xa0, 0xb9, 0xd0, + }; + + var publicKey = new byte[] + { + 0x27, 0x81, 0x17, 0xfc, 0x14, 0x4c, 0x72, 0x34, 0x0f, 0x67, 0xd0, 0xf2, 0x31, 0x6e, 0x83, 0x86, + 0xce, 0xff, 0xbf, 0x2b, 0x24, 0x28, 0xc9, 0xc5, 0x1f, 0xef, 0x7c, 0x59, 0x7f, 0x1d, 0x42, 0x6e, + }; + + var privateKey = new byte[] + { + 0xf5, 0xe5, 0x76, 0x7c, 0xf1, 0x53, 0x31, 0x95, 0x17, 0x63, 0x0f, 0x22, 0x68, 0x76, 0xb8, 0x6c, + 0x81, 0x60, 0xcc, 0x58, 0x3b, 0xc0, 0x13, 0x74, 0x4c, 0x6b, 0xf2, 0x55, 0xf5, 0xcc, 0x0e, 0xe5, + }; + + var expectedSignature = new byte[] + { + 0x0a, 0xab, 0x4c, 0x90, 0x05, 0x01, 0xb3, 0xe2, 0x4d, 0x7c, 0xdf, 0x46, 0x63, 0x32, 0x6a, 0x3a, + 0x87, 0xdf, 0x5e, 0x48, 0x43, 0xb2, 0xcb, 0xdb, 0x67, 0xcb, 0xf6, 0xe4, 0x60, 0xfe, 0xc3, 0x50, + 0xaa, 0x53, 0x71, 0xb1, 0x50, 0x8f, 0x9f, 0x45, 0x28, 0xec, 0xea, 0x23, 0xc4, 0x36, 0xd9, 0x4b, + 0x5e, 0x8f, 0xcd, 0x4f, 0x68, 0x1e, 0x30, 0xa6, 0xac, 0x00, 0xa9, 0x70, 0x4a, 0x18, 0x8a, 0x03, + }; + + var signature = await Signer.SignAsync(message, privateKey, publicKey); + Assert.That(signature, Is.EqualTo(expectedSignature)); + + var validationResult = await Signer.ValidateAsync(signature, message, publicKey); + Assert.That(validationResult, Is.True); + } } }