diff options
Diffstat (limited to 'crypto/test/src/asn1/test/X9Test.cs')
| -rw-r--r-- | crypto/test/src/asn1/test/X9Test.cs | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/crypto/test/src/asn1/test/X9Test.cs b/crypto/test/src/asn1/test/X9Test.cs new file mode 100644 index 000000000..540cddb47 --- /dev/null +++ b/crypto/test/src/asn1/test/X9Test.cs @@ -0,0 +1,181 @@ +using System; +using System.IO; + +using NUnit.Framework; + +using Org.BouncyCastle.Asn1.Pkcs; +using Org.BouncyCastle.Asn1.Sec; +using Org.BouncyCastle.Asn1.X509; +using Org.BouncyCastle.Asn1.X9; +using Org.BouncyCastle.Math; +using Org.BouncyCastle.Math.EC; +using Org.BouncyCastle.Utilities; +using Org.BouncyCastle.Utilities.Encoders; +using Org.BouncyCastle.Utilities.Test; + +namespace Org.BouncyCastle.Asn1.Tests +{ + [TestFixture] + public class X9Test + : SimpleTest + { + private static readonly byte[] namedPub = Base64.Decode("MBowEwYHKoZIzj0CAQYIKoZIzj0DAQEDAwADAQ=="); + private static readonly byte[] expPub = Base64.Decode( + "MIHfMIHXBgcqhkjOPQIBMIHLAgEBMCkGByqGSM49AQECHn///////////////3///////4AAAA" + + "AAAH///////zBXBB5///////////////9///////+AAAAAAAB///////wEHiVXBfoqMGZUsfTL" + + "A9anUKMMJQEC1JiHF9m6FattPgMVAH1zdBaP/jRxtgqFdoahlHXTv6L/BB8DZ2iujhi7ks/PAF" + + "yUmqLG2UhT0OZgu/hUsclQX+laAh5///////////////9///+XXetBs6YFfDxDIUZSZVECAQED" + + "AwADAQ=="); + + private static readonly byte[] namedPriv = Base64.Decode("MCICAQAwEwYHKoZIzj0CAQYIKoZIzj0DAQEECDAGAgEBBAEK"); + private static readonly byte[] expPriv = Base64.Decode( + "MIHnAgEAMIHXBgcqhkjOPQIBMIHLAgEBMCkGByqGSM49AQECHn///////////////3///////4" + + "AAAAAAAH///////zBXBB5///////////////9///////+AAAAAAAB///////wEHiVXBfoqMGZU" + + "sfTLA9anUKMMJQEC1JiHF9m6FattPgMVAH1zdBaP/jRxtgqFdoahlHXTv6L/BB8DZ2iujhi7ks" + + "/PAFyUmqLG2UhT0OZgu/hUsclQX+laAh5///////////////9///+XXetBs6YFfDxDIUZSZVEC" + + "AQEECDAGAgEBBAEU"); + + private void EncodePublicKey() + { + X9ECParameters ecP = X962NamedCurves.GetByOid(X9ObjectIdentifiers.Prime239v3); + + if (X9IntegerConverter.GetByteLength(ecP.Curve) != 30) + { + Fail("wrong byte length reported for curve"); + } + + if (ecP.Curve.FieldSize != 239) + { + Fail("wrong field size reported for curve"); + } + + // + // named curve + // + X962Parameters _params = new X962Parameters(X9ObjectIdentifiers.Prime192v1); + + X9ECPoint pPoint = new X9ECPoint( + new FpPoint(ecP.Curve, new FpFieldElement(BigInteger.Two, BigInteger.One), + new FpFieldElement(BigInteger.ValueOf(4), BigInteger.ValueOf(3)), + true)); + + Asn1OctetString p = (Asn1OctetString) pPoint.ToAsn1Object(); + + if (p == null) + { + Fail("failed to convert to ASN.1"); + } + + SubjectPublicKeyInfo info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.IdECPublicKey, _params), p.GetOctets()); + + if (!Arrays.AreEqual(info.GetEncoded(), namedPub)) + { + Fail("failed public named generation"); + } + + Asn1Object o = Asn1Object.FromByteArray(namedPub); + + if (!info.Equals(o)) + { + Fail("failed public named equality"); + } + + // + // explicit curve parameters + // + _params = new X962Parameters(ecP); + + info = new SubjectPublicKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.IdECPublicKey, _params), p.GetOctets()); + + if (!Arrays.AreEqual(info.GetEncoded(), expPub)) + { + Fail("failed public explicit generation"); + } + + o = Asn1Object.FromByteArray(expPub); + + if (!info.Equals(o)) + { + Fail("failed public explicit equality"); + } + } + + private void EncodePrivateKey() + { + X9ECParameters ecP = X962NamedCurves.GetByOid(X9ObjectIdentifiers.Prime239v3); + + // + // named curve + // + X962Parameters _params = new X962Parameters(X9ObjectIdentifiers.Prime192v1); + + X9ECPoint pPoint = new X9ECPoint( + new FpPoint(ecP.Curve, new FpFieldElement(BigInteger.Two, BigInteger.One), + new FpFieldElement(BigInteger.ValueOf(4), BigInteger.ValueOf(3)), + true)); + + Asn1OctetString p = (Asn1OctetString) pPoint.ToAsn1Object(); + + if (p == null) + Fail("failed to convert to ASN.1"); + + PrivateKeyInfo info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.IdECPublicKey, _params), new ECPrivateKeyStructure(BigInteger.Ten).ToAsn1Object()); + + if (!Arrays.AreEqual(info.GetEncoded(), namedPriv)) + { + Fail("failed private named generation"); + } + + Asn1Object o = Asn1Object.FromByteArray(namedPriv); + + if (!info.Equals(o)) + { + Fail("failed private named equality"); + } + + // + // explicit curve parameters + // + _params = new X962Parameters(ecP); + + info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.IdECPublicKey, _params), new ECPrivateKeyStructure(BigInteger.ValueOf(20)).ToAsn1Object()); + + if (!Arrays.AreEqual(info.GetEncoded(), expPriv)) + { + Fail("failed private explicit generation"); + } + + o = Asn1Object.FromByteArray(expPriv); + + if (!info.Equals(o)) + { + Fail("failed private explicit equality"); + } + } + + public override void PerformTest() + { + EncodePublicKey(); + EncodePrivateKey(); + } + + public override string Name + { + get { return "X9"; } + } + + public static void Main( + string[] args) + { + RunTest(new X9Test()); + } + + [Test] + public void TestFunction() + { + string resultText = Perform().ToString(); + + Assert.AreEqual(Name + ": Okay", resultText); + } + } +} |