public static void TestGeneralExportWithExplicitParameters() { using (ECDsa ecdsa = ECDsaFactory.Create()) { ECParameters param = EccTestData.GetNistP256ExplicitTestData(); param.Validate(); ecdsa.ImportParameters(param); Assert.True(param.Curve.IsExplicit); param = ecdsa.ExportParameters(false); param.Validate(); // We should have explicit values, not named, as this curve has no name. Assert.True(param.Curve.IsExplicit); } }
public static void UseAfterDispose(bool importKey) { ECDiffieHellman key = ECDiffieHellmanFactory.Create(); ECDiffieHellmanPublicKey pubKey; HashAlgorithmName hash = HashAlgorithmName.SHA256; if (importKey) { key.ImportParameters(EccTestData.GetNistP256ReferenceKey()); } // Ensure the key is populated, then dispose it. using (key) { pubKey = key.PublicKey; key.DeriveKeyFromHash(pubKey, hash); pubKey.Dispose(); Assert.Throws <ObjectDisposedException>(() => key.DeriveKeyFromHash(pubKey, hash)); Assert.Throws <ObjectDisposedException>(() => key.DeriveKeyFromHmac(pubKey, hash, null)); Assert.Throws <ObjectDisposedException>(() => key.DeriveKeyFromHmac(pubKey, hash, new byte[3])); Assert.Throws <ObjectDisposedException>(() => key.DeriveKeyTls(pubKey, new byte[4], new byte[64])); pubKey = key.PublicKey; } key.Dispose(); Assert.Throws <ObjectDisposedException>(() => key.DeriveKeyFromHash(pubKey, hash)); Assert.Throws <ObjectDisposedException>(() => key.DeriveKeyFromHmac(pubKey, hash, null)); Assert.Throws <ObjectDisposedException>(() => key.DeriveKeyFromHmac(pubKey, hash, new byte[3])); Assert.Throws <ObjectDisposedException>(() => key.DeriveKeyTls(pubKey, new byte[4], new byte[64])); Assert.Throws <ObjectDisposedException>(() => key.GenerateKey(ECCurve.NamedCurves.nistP256)); Assert.Throws <ObjectDisposedException>(() => key.ImportParameters(EccTestData.GetNistP256ReferenceKey())); // Either set_KeySize or the ExportParameters should throw. Assert.Throws <ObjectDisposedException>( () => { key.KeySize = 384; key.ExportParameters(false); }); pubKey.Dispose(); }
public static void DiminishedCoordsRoundtrip() { ECParameters toImport = EccTestData.GetNistP521DiminishedCoordsParameters(); ECParameters privateParams; ECParameters publicParams; using (ECDsa ecdsa = ECDsaFactory.Create()) { ecdsa.ImportParameters(toImport); privateParams = ecdsa.ExportParameters(true); publicParams = ecdsa.ExportParameters(false); } ComparePublicKey(toImport.Q, privateParams.Q); ComparePrivateKey(toImport, privateParams); ComparePublicKey(toImport.Q, publicParams.Q); Assert.Null(publicParams.D); }
public static void ImportExplicitWithHashButNoSeed() { if (!ECDiffieHellmanFactory.ExplicitCurvesSupported) { return; } using (ECDiffieHellman ec = ECDiffieHellmanFactory.Create()) { ECCurve curve = EccTestData.GetNistP256ExplicitCurve(); Assert.NotNull(curve.Hash); ec.GenerateKey(curve); ECParameters parameters = ec.ExportExplicitParameters(true); Assert.NotNull(parameters.Curve.Hash); parameters.Curve.Seed = null; ec.ImportParameters(parameters); ec.Exercise(); } }
public static void ValidateNistP521Sha512() { byte[] msg = ( "9ecd500c60e701404922e58ab20cc002651fdee7cbc9336adda33e4c1088fab1" + "964ecb7904dc6856865d6c8e15041ccf2d5ac302e99d346ff2f686531d255216" + "78d4fd3f76bbf2c893d246cb4d7693792fe18172108146853103a51f824acc62" + "1cb7311d2463c3361ea707254f2b052bc22cb8012873dcbb95bf1a5cc53ab89f" ).HexToByteArray(); ECParameters parameters = new ECParameters { Curve = ECCurve.NamedCurves.nistP521, Q = new ECPoint { X = ("0061387fd6b95914e885f912edfbb5fb274655027f216c4091ca83e19336740fd8" + "1aedfe047f51b42bdf68161121013e0d55b117a14e4303f926c8debb77a7fdaad1").HexToByteArray(), Y = ("00e7d0c75c38626e895ca21526b9f9fdf84dcecb93f2b233390550d2b1463b7ee3" + "f58df7346435ff0434199583c97c665a97f12f706f2357da4b40288def888e59e6").HexToByteArray(), }, D = ("00f749d32704bc533ca82cef0acf103d8f4fba67f08d2678e515ed7db886267ffa" + "f02fab0080dca2359b72f574ccc29a0f218c8655c0cccf9fee6c5e567aa14cb926").HexToByteArray(), }; byte[] signature = ( // r "004de826ea704ad10bc0f7538af8a3843f284f55c8b946af9235af5af74f2b76e0" + "99e4bc72fd79d28a380f8d4b4c919ac290d248c37983ba05aea42e2dd79fdd33e8" + // s "0087488c859a96fea266ea13bf6d114c429b163be97a57559086edb64aed4a1859" + "4b46fb9efc7fd25d8b2de8f09ca0587f54bd287299f47b2ff124aac566e8ee3b43" ).HexToByteArray(); Validate( parameters, EccTestData.GetNistP521ExplicitCurve(), msg, signature, HashAlgorithmName.SHA512); }
public static void ValidateNistP521Sha384() { byte[] msg = ( "dbc094402c5b559d53168c6f0c550d827499c6fb2186ae2db15b89b4e6f46220" + "386d6f01bebde91b6ceb3ec7b4696e2cbfd14894dd0b7d656d23396ce920044f" + "9ca514bf115cf98ecaa55b950a9e49365c2f3a05be5020e93db92c3743751304" + "4973e792af814d0ffad2c8ecc89ae4b35ccb19318f0b988a7d33ec5a4fe85dfe" ).HexToByteArray(); ECParameters parameters = new ECParameters { Curve = ECCurve.NamedCurves.nistP521, Q = new ECPoint { X = ("013b4ab7bc1ddf7fd74ca6f75ac560c94169f435361e74eba1f8e759ac70ab3af1" + "38d8807aca3d8e73b5c2eb787f6dcca2718122bd94f08943a686b115d869d3f406").HexToByteArray(), Y = ("00f293c1d627b44e7954d0546270665888144a94d437679d074787959d0d944d82" + "23b9d4b5d068b4fbbd1176a004b476810475cd2a200b83eccd226d08b444a71e71").HexToByteArray(), }, D = ("0095976d387d814e68aeb09abecdbf4228db7232cd3229569ade537f33e07ed0da" + "0abdee84ab057c9a00049f45250e2719d1ecaccf91c0e6fcdd4016b75bdd98a950").HexToByteArray(), }; byte[] signature = ( // r "002128f77df66d16a604ffcd1a515e039d49bf6b91a215b814b2a1c88d32039521" + "fbd142f717817b838450229025670d99c1fd5ab18bd965f093cae7accff0675aae" + // s "0008dc65a243700a84619dce14e44ea8557e36631db1a55de15865497dbfd66e76" + "a7471f78e510c04e613ced332aa563432a1017da8b81c146059ccc7930153103a6" ).HexToByteArray(); Validate( parameters, EccTestData.GetNistP521ExplicitCurve(), msg, signature, HashAlgorithmName.SHA384); }
public static void TestNamedImportValidationNegative() { if (!ECDiffieHellmanFactory.ExplicitCurvesSupported) { return; } unchecked { using (ECDiffieHellman ec = ECDiffieHellmanFactory.Create()) { ECParameters p = EccTestData.GetNistP224KeyTestData(); Assert.True(p.Curve.IsNamed); var q = p.Q; var c = p.Curve; ec.ImportParameters(p); ECParameters temp = p; temp.Q.X = null; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Q.X = new byte[] { }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Q.X = new byte[1] { 0x10 }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Q.X = (byte[])p.Q.X.Clone(); temp.Q.X[0]--; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp = p; temp.Q.Y = null; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Q.Y = new byte[] { }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Q.Y = new byte[1] { 0x10 }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Q.Y = (byte[])p.Q.Y.Clone(); temp.Q.Y[0]--; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp = p; temp.Curve = ECCurve.CreateFromOid(new Oid("Invalid", "Invalid")); Assert.ThrowsAny <PlatformNotSupportedException>(() => ec.ImportParameters(temp)); } } }
public static void ValidateNistP384Sha256() { byte[] msg = ( "663b12ebf44b7ed3872b385477381f4b11adeb0aec9e0e2478776313d536376d" + "c8fd5f3c715bb6ddf32c01ee1d6f8b731785732c0d8441df636d8145577e7b31" + "38e43c32a61bc1242e0e73d62d624cdc924856076bdbbf1ec04ad4420732ef0c" + "53d42479a08235fcfc4db4d869c4eb2828c73928cdc3e3758362d1b770809997" ).HexToByteArray(); ECParameters parameters = new ECParameters { Curve = ECCurve.NamedCurves.nistP384, Q = new ECPoint { X = ("0400193b21f07cd059826e9453d3e96dd145041c97d49ff6b7047f86bb0b0439" + "e909274cb9c282bfab88674c0765bc75").HexToByteArray(), Y = ("f70d89c52acbc70468d2c5ae75c76d7f69b76af62dcf95e99eba5dd11adf8f42" + "ec9a425b0c5ec98e2f234a926b82a147").HexToByteArray(), }, D = ("c602bc74a34592c311a6569661e0832c84f7207274676cc42a89f05816263018" + "4b52f0d99b855a7783c987476d7f9e6b").HexToByteArray(), }; byte[] signature = ( // r "b11db00cdaf53286d4483f38cd02785948477ed7ebc2ad609054551da0ab0359978c61851788aa2ec3267946d440e878" + // s "16007873c5b0604ce68112a8fee973e8e2b6e3319c683a762ff5065a076512d7c98b27e74b7887671048ac027df8cbf2" ).HexToByteArray(); Validate( parameters, EccTestData.GetNistP384ExplicitCurve(), msg, signature, HashAlgorithmName.SHA256); }
public static void ValidateNistP384Sha512() { byte[] msg = ( "67d9eb88f289454d61def4764d1573db49b875cfb11e139d7eacc4b7a79d3db3" + "bf7208191b2b2078cbbcc974ec0da1ed5e0c10ec37f6181bf81c0f32972a125d" + "f64e3b3e1d838ec7da8dfe0b7fcc911e43159a79c73df5fa252b98790be511d8" + "a732fcbf011aacc7d45d8027d50a347703d613ceda09f650c6104c9459537c8f" ).HexToByteArray(); ECParameters parameters = new ECParameters { Curve = ECCurve.NamedCurves.nistP384, Q = new ECPoint { X = ("fb937e4a303617b71b6c1a25f2ac786087328a3e26bdef55e52d46ab5e69e541" + "1bf9fc55f5df9994d2bf82e8f39a153e").HexToByteArray(), Y = ("a97d9075e92fa5bfe67e6ec18e21cc4d11fde59a68aef72c0e46a28f31a9d603" + "85f41f39da468f4e6c3d3fbac9046765").HexToByteArray(), }, D = ("217afba406d8ab32ee07b0f27eef789fc201d121ffab76c8fbe3c2d352c59490" + "9abe591c6f86233992362c9d631baf7c").HexToByteArray(), }; byte[] signature = ( // r "c269d9c4619aafdf5f4b3100211dddb14693abe25551e04f9499c91152a296d7449c08b36f87d1e16e8e15fee4a7f5c8" + // s "77ffed5c61665152d52161dc13ac3fbae5786928a3d736f42d34a9e4d6d4a70a02d5af90fa37a23a318902ae2656c071" ).HexToByteArray(); Validate( parameters, EccTestData.GetNistP384ExplicitCurve(), msg, signature, HashAlgorithmName.SHA512); }
public static void TestExplicitImportValidationNegative() { if (!ECDiffieHellmanFactory.ExplicitCurvesSupported) { return; } unchecked { using (ECDiffieHellman ec = ECDiffieHellmanFactory.Create()) { ECParameters p = EccTestData.GetNistP256ExplicitTestData(); Assert.True(p.Curve.IsPrime); ec.ImportParameters(p); ECParameters temp = p; temp.Q.X = null; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Q.X = new byte[] { }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Q.X = new byte[1] { 0x10 }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Q.X = (byte[])p.Q.X.Clone(); --temp.Q.X[0]; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp = p; temp.Q.Y = null; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Q.Y = new byte[] { }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Q.Y = new byte[1] { 0x10 }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Q.Y = (byte[])p.Q.Y.Clone(); --temp.Q.Y[0]; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp = p; temp.Curve.A = null; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Curve.A = new byte[] { }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Curve.A = new byte[1] { 0x10 }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Curve.A = (byte[])p.Curve.A.Clone(); --temp.Curve.A[0]; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp = p; temp.Curve.B = null; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Curve.B = new byte[] { }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Curve.B = new byte[1] { 0x10 }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Curve.B = (byte[])p.Curve.B.Clone(); --temp.Curve.B[0]; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp = p; temp.Curve.Order = null; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Curve.Order = new byte[] { }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp = p; temp.Curve.Prime = null; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Curve.Prime = new byte[] { }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Curve.Prime = new byte[1] { 0x10 }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); temp.Curve.Prime = (byte[])p.Curve.Prime.Clone(); --temp.Curve.Prime[0]; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp)); } } }
public void UseAfterDispose_Import(ECDsa ecdsa) { ecdsa.ImportParameters(EccTestData.GetNistP256ReferenceKey()); UseAfterDispose(ecdsa); }