diff options
Diffstat (limited to 'crypto/src/asn1/x9')
| -rw-r--r-- | crypto/src/asn1/x9/DHDomainParameters.cs | 116 | ||||
| -rw-r--r-- | crypto/src/asn1/x9/DHPublicKey.cs | 44 | ||||
| -rw-r--r-- | crypto/src/asn1/x9/DHValidationParms.cs | 62 | ||||
| -rw-r--r-- | crypto/src/asn1/x9/KeySpecificInfo.cs | 58 | ||||
| -rw-r--r-- | crypto/src/asn1/x9/OtherInfo.cs | 88 | ||||
| -rw-r--r-- | crypto/src/asn1/x9/X962NamedCurves.cs | 733 | ||||
| -rw-r--r-- | crypto/src/asn1/x9/X962Parameters.cs | 53 | ||||
| -rw-r--r-- | crypto/src/asn1/x9/X9Curve.cs | 147 | ||||
| -rw-r--r-- | crypto/src/asn1/x9/X9ECParameters.cs | 170 | ||||
| -rw-r--r-- | crypto/src/asn1/x9/X9ECParametersHolder.cs | 22 | ||||
| -rw-r--r-- | crypto/src/asn1/x9/X9ECPoint.cs | 44 | ||||
| -rw-r--r-- | crypto/src/asn1/x9/X9FieldElement.cs | 69 | ||||
| -rw-r--r-- | crypto/src/asn1/x9/X9FieldID.cs | 102 | ||||
| -rw-r--r-- | crypto/src/asn1/x9/X9IntegerConverter.cs | 48 | ||||
| -rw-r--r-- | crypto/src/asn1/x9/X9ObjectIdentifiers.cs | 135 |
15 files changed, 1891 insertions, 0 deletions
diff --git a/crypto/src/asn1/x9/DHDomainParameters.cs b/crypto/src/asn1/x9/DHDomainParameters.cs new file mode 100644 index 000000000..8de869694 --- /dev/null +++ b/crypto/src/asn1/x9/DHDomainParameters.cs @@ -0,0 +1,116 @@ +using System; +using System.Collections; + +namespace Org.BouncyCastle.Asn1.X9 +{ + public class DHDomainParameters + : Asn1Encodable + { + private readonly DerInteger p, g, q, j; + private readonly DHValidationParms validationParms; + + public static DHDomainParameters GetInstance(Asn1TaggedObject obj, bool isExplicit) + { + return GetInstance(Asn1Sequence.GetInstance(obj, isExplicit)); + } + + public static DHDomainParameters GetInstance(object obj) + { + if (obj == null || obj is DHDomainParameters) + return (DHDomainParameters)obj; + + if (obj is Asn1Sequence) + return new DHDomainParameters((Asn1Sequence)obj); + + throw new ArgumentException("Invalid DHDomainParameters: " + obj.GetType().FullName, "obj"); + } + + public DHDomainParameters(DerInteger p, DerInteger g, DerInteger q, DerInteger j, + DHValidationParms validationParms) + { + if (p == null) + throw new ArgumentNullException("p"); + if (g == null) + throw new ArgumentNullException("g"); + if (q == null) + throw new ArgumentNullException("q"); + + this.p = p; + this.g = g; + this.q = q; + this.j = j; + this.validationParms = validationParms; + } + + private DHDomainParameters(Asn1Sequence seq) + { + if (seq.Count < 3 || seq.Count > 5) + throw new ArgumentException("Bad sequence size: " + seq.Count, "seq"); + + IEnumerator e = seq.GetEnumerator(); + this.p = DerInteger.GetInstance(GetNext(e)); + this.g = DerInteger.GetInstance(GetNext(e)); + this.q = DerInteger.GetInstance(GetNext(e)); + + Asn1Encodable next = GetNext(e); + + if (next != null && next is DerInteger) + { + this.j = DerInteger.GetInstance(next); + next = GetNext(e); + } + + if (next != null) + { + this.validationParms = DHValidationParms.GetInstance(next.ToAsn1Object()); + } + } + + private static Asn1Encodable GetNext(IEnumerator e) + { + return e.MoveNext() ? (Asn1Encodable)e.Current : null; + } + + public DerInteger P + { + get { return this.p; } + } + + public DerInteger G + { + get { return this.g; } + } + + public DerInteger Q + { + get { return this.q; } + } + + public DerInteger J + { + get { return this.j; } + } + + public DHValidationParms ValidationParms + { + get { return this.validationParms; } + } + + public override Asn1Object ToAsn1Object() + { + Asn1EncodableVector v = new Asn1EncodableVector(p, g, q); + + if (this.j != null) + { + v.Add(this.j); + } + + if (this.validationParms != null) + { + v.Add(this.validationParms); + } + + return new DerSequence(v); + } + } +} diff --git a/crypto/src/asn1/x9/DHPublicKey.cs b/crypto/src/asn1/x9/DHPublicKey.cs new file mode 100644 index 000000000..1a20a8a16 --- /dev/null +++ b/crypto/src/asn1/x9/DHPublicKey.cs @@ -0,0 +1,44 @@ +using System; + +namespace Org.BouncyCastle.Asn1.X9 +{ + public class DHPublicKey + : Asn1Encodable + { + private readonly DerInteger y; + + public static DHPublicKey GetInstance(Asn1TaggedObject obj, bool isExplicit) + { + return GetInstance(DerInteger.GetInstance(obj, isExplicit)); + } + + public static DHPublicKey GetInstance(object obj) + { + if (obj == null || obj is DHPublicKey) + return (DHPublicKey)obj; + + if (obj is DerInteger) + return new DHPublicKey((DerInteger)obj); + + throw new ArgumentException("Invalid DHPublicKey: " + obj.GetType().FullName, "obj"); + } + + public DHPublicKey(DerInteger y) + { + if (y == null) + throw new ArgumentNullException("y"); + + this.y = y; + } + + public DerInteger Y + { + get { return this.y; } + } + + public override Asn1Object ToAsn1Object() + { + return this.y; + } + } +} diff --git a/crypto/src/asn1/x9/DHValidationParms.cs b/crypto/src/asn1/x9/DHValidationParms.cs new file mode 100644 index 000000000..a37964cfb --- /dev/null +++ b/crypto/src/asn1/x9/DHValidationParms.cs @@ -0,0 +1,62 @@ +using System; + +namespace Org.BouncyCastle.Asn1.X9 +{ + public class DHValidationParms + : Asn1Encodable + { + private readonly DerBitString seed; + private readonly DerInteger pgenCounter; + + public static DHValidationParms GetInstance(Asn1TaggedObject obj, bool isExplicit) + { + return GetInstance(Asn1Sequence.GetInstance(obj, isExplicit)); + } + + public static DHValidationParms GetInstance(object obj) + { + if (obj == null || obj is DHDomainParameters) + return (DHValidationParms)obj; + + if (obj is Asn1Sequence) + return new DHValidationParms((Asn1Sequence)obj); + + throw new ArgumentException("Invalid DHValidationParms: " + obj.GetType().FullName, "obj"); + } + + public DHValidationParms(DerBitString seed, DerInteger pgenCounter) + { + if (seed == null) + throw new ArgumentNullException("seed"); + if (pgenCounter == null) + throw new ArgumentNullException("pgenCounter"); + + this.seed = seed; + this.pgenCounter = pgenCounter; + } + + private DHValidationParms(Asn1Sequence seq) + { + if (seq.Count != 2) + throw new ArgumentException("Bad sequence size: " + seq.Count, "seq"); + + this.seed = DerBitString.GetInstance(seq[0]); + this.pgenCounter = DerInteger.GetInstance(seq[1]); + } + + public DerBitString Seed + { + get { return this.seed; } + } + + public DerInteger PgenCounter + { + get { return this.pgenCounter; } + } + + public override Asn1Object ToAsn1Object() + { + return new DerSequence(seed, pgenCounter); + } + } +} diff --git a/crypto/src/asn1/x9/KeySpecificInfo.cs b/crypto/src/asn1/x9/KeySpecificInfo.cs new file mode 100644 index 000000000..46298646b --- /dev/null +++ b/crypto/src/asn1/x9/KeySpecificInfo.cs @@ -0,0 +1,58 @@ +using System.Collections; + +namespace Org.BouncyCastle.Asn1.X9 +{ + /** + * ASN.1 def for Diffie-Hellman key exchange KeySpecificInfo structure. See + * RFC 2631, or X9.42, for further details. + */ + public class KeySpecificInfo + : Asn1Encodable + { + private DerObjectIdentifier algorithm; + private Asn1OctetString counter; + + public KeySpecificInfo( + DerObjectIdentifier algorithm, + Asn1OctetString counter) + { + this.algorithm = algorithm; + this.counter = counter; + } + + public KeySpecificInfo( + Asn1Sequence seq) + { + IEnumerator e = seq.GetEnumerator(); + + e.MoveNext(); + algorithm = (DerObjectIdentifier)e.Current; + e.MoveNext(); + counter = (Asn1OctetString)e.Current; + } + + public DerObjectIdentifier Algorithm + { + get { return algorithm; } + } + + public Asn1OctetString Counter + { + get { return counter; } + } + + /** + * Produce an object suitable for an Asn1OutputStream. + * <pre> + * KeySpecificInfo ::= Sequence { + * algorithm OBJECT IDENTIFIER, + * counter OCTET STRING SIZE (4..4) + * } + * </pre> + */ + public override Asn1Object ToAsn1Object() + { + return new DerSequence(algorithm, counter); + } + } +} diff --git a/crypto/src/asn1/x9/OtherInfo.cs b/crypto/src/asn1/x9/OtherInfo.cs new file mode 100644 index 000000000..21863bd17 --- /dev/null +++ b/crypto/src/asn1/x9/OtherInfo.cs @@ -0,0 +1,88 @@ +using System.Collections; + +namespace Org.BouncyCastle.Asn1.X9 +{ + /** + * ANS.1 def for Diffie-Hellman key exchange OtherInfo structure. See + * RFC 2631, or X9.42, for further details. + */ + public class OtherInfo + : Asn1Encodable + { + private KeySpecificInfo keyInfo; + private Asn1OctetString partyAInfo; + private Asn1OctetString suppPubInfo; + + public OtherInfo( + KeySpecificInfo keyInfo, + Asn1OctetString partyAInfo, + Asn1OctetString suppPubInfo) + { + this.keyInfo = keyInfo; + this.partyAInfo = partyAInfo; + this.suppPubInfo = suppPubInfo; + } + + public OtherInfo( + Asn1Sequence seq) + { + IEnumerator e = seq.GetEnumerator(); + + e.MoveNext(); + keyInfo = new KeySpecificInfo((Asn1Sequence) e.Current); + + while (e.MoveNext()) + { + DerTaggedObject o = (DerTaggedObject) e.Current; + + if (o.TagNo == 0) + { + partyAInfo = (Asn1OctetString) o.GetObject(); + } + else if ((int) o.TagNo == 2) + { + suppPubInfo = (Asn1OctetString) o.GetObject(); + } + } + } + + public KeySpecificInfo KeyInfo + { + get { return keyInfo; } + } + + public Asn1OctetString PartyAInfo + { + get { return partyAInfo; } + } + + public Asn1OctetString SuppPubInfo + { + get { return suppPubInfo; } + } + + /** + * Produce an object suitable for an Asn1OutputStream. + * <pre> + * OtherInfo ::= Sequence { + * keyInfo KeySpecificInfo, + * partyAInfo [0] OCTET STRING OPTIONAL, + * suppPubInfo [2] OCTET STRING + * } + * </pre> + */ + public override Asn1Object ToAsn1Object() + { + Asn1EncodableVector v = new Asn1EncodableVector(keyInfo); + + if (partyAInfo != null) + { + v.Add(new DerTaggedObject(0, partyAInfo)); + } + + v.Add(new DerTaggedObject(2, suppPubInfo)); + + return new DerSequence(v); + } + } +} diff --git a/crypto/src/asn1/x9/X962NamedCurves.cs b/crypto/src/asn1/x9/X962NamedCurves.cs new file mode 100644 index 000000000..de80ca280 --- /dev/null +++ b/crypto/src/asn1/x9/X962NamedCurves.cs @@ -0,0 +1,733 @@ +using System; +using System.Collections; +using System.Globalization; + +using Org.BouncyCastle.Math; +using Org.BouncyCastle.Math.EC; +using Org.BouncyCastle.Utilities; +using Org.BouncyCastle.Utilities.Collections; +using Org.BouncyCastle.Utilities.Encoders; + +namespace Org.BouncyCastle.Asn1.X9 +{ + /** + * table of the current named curves defined in X.962 EC-DSA. + */ + public sealed class X962NamedCurves + { + private X962NamedCurves() + { + } + + internal class Prime192v1Holder + : X9ECParametersHolder + { + private Prime192v1Holder() {} + + internal static readonly X9ECParametersHolder Instance = new Prime192v1Holder(); + + protected override X9ECParameters CreateParameters() + { + ECCurve cFp192v1 = new FpCurve( + new BigInteger("6277101735386680763835789423207666416083908700390324961279"), + new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16), + new BigInteger("64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1", 16)); + + return new X9ECParameters( + cFp192v1, + cFp192v1.DecodePoint( + Hex.Decode("03188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012")), + new BigInteger("ffffffffffffffffffffffff99def836146bc9b1b4d22831", 16), + BigInteger.One, + Hex.Decode("3045AE6FC8422f64ED579528D38120EAE12196D5")); + } + } + + internal class Prime192v2Holder + : X9ECParametersHolder + { + private Prime192v2Holder() {} + + internal static readonly X9ECParametersHolder Instance = new Prime192v2Holder(); + + protected override X9ECParameters CreateParameters() + { + ECCurve cFp192v2 = new FpCurve( + new BigInteger("6277101735386680763835789423207666416083908700390324961279"), + new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16), + new BigInteger("cc22d6dfb95c6b25e49c0d6364a4e5980c393aa21668d953", 16)); + + return new X9ECParameters( + cFp192v2, + cFp192v2.DecodePoint( + Hex.Decode("03eea2bae7e1497842f2de7769cfe9c989c072ad696f48034a")), + new BigInteger("fffffffffffffffffffffffe5fb1a724dc80418648d8dd31", 16), + BigInteger.One, + Hex.Decode("31a92ee2029fd10d901b113e990710f0d21ac6b6")); + } + } + + internal class Prime192v3Holder + : X9ECParametersHolder + { + private Prime192v3Holder() {} + + internal static readonly X9ECParametersHolder Instance = new Prime192v3Holder(); + + protected override X9ECParameters CreateParameters() + { + ECCurve cFp192v3 = new FpCurve( + new BigInteger("6277101735386680763835789423207666416083908700390324961279"), + new BigInteger("fffffffffffffffffffffffffffffffefffffffffffffffc", 16), + new BigInteger("22123dc2395a05caa7423daeccc94760a7d462256bd56916", 16)); + + return new X9ECParameters( + cFp192v3, + cFp192v3.DecodePoint( + Hex.Decode("027d29778100c65a1da1783716588dce2b8b4aee8e228f1896")), + new BigInteger("ffffffffffffffffffffffff7a62d031c83f4294f640ec13", 16), + BigInteger.One, + Hex.Decode("c469684435deb378c4b65ca9591e2a5763059a2e")); + } + } + + internal class Prime239v1Holder + : X9ECParametersHolder + { + private Prime239v1Holder() {} + + internal static readonly X9ECParametersHolder Instance = new Prime239v1Holder(); + + protected override X9ECParameters CreateParameters() + { + ECCurve cFp239v1 = new FpCurve( + new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839"), + new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), + new BigInteger("6b016c3bdcf18941d0d654921475ca71a9db2fb27d1d37796185c2942c0a", 16)); + + return new X9ECParameters( + cFp239v1, + cFp239v1.DecodePoint( + Hex.Decode("020ffa963cdca8816ccc33b8642bedf905c3d358573d3f27fbbd3b3cb9aaaf")), + new BigInteger("7fffffffffffffffffffffff7fffff9e5e9a9f5d9071fbd1522688909d0b", 16), + BigInteger.One, + Hex.Decode("e43bb460f0b80cc0c0b075798e948060f8321b7d")); + } + } + + internal class Prime239v2Holder + : X9ECParametersHolder + { + private Prime239v2Holder() {} + + internal static readonly X9ECParametersHolder Instance = new Prime239v2Holder(); + + protected override X9ECParameters CreateParameters() + { + ECCurve cFp239v2 = new FpCurve( + new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839"), + new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), + new BigInteger("617fab6832576cbbfed50d99f0249c3fee58b94ba0038c7ae84c8c832f2c", 16)); + + return new X9ECParameters( + cFp239v2, + cFp239v2.DecodePoint( + Hex.Decode("0238af09d98727705120c921bb5e9e26296a3cdcf2f35757a0eafd87b830e7")), + new BigInteger("7fffffffffffffffffffffff800000cfa7e8594377d414c03821bc582063", 16), + BigInteger.One, + Hex.Decode("e8b4011604095303ca3b8099982be09fcb9ae616")); + } + } + + internal class Prime239v3Holder + : X9ECParametersHolder + { + private Prime239v3Holder() {} + + internal static readonly X9ECParametersHolder Instance = new Prime239v3Holder(); + + protected override X9ECParameters CreateParameters() + { + ECCurve cFp239v3 = new FpCurve( + new BigInteger("883423532389192164791648750360308885314476597252960362792450860609699839"), + new BigInteger("7fffffffffffffffffffffff7fffffffffff8000000000007ffffffffffc", 16), + new BigInteger("255705fa2a306654b1f4cb03d6a750a30c250102d4988717d9ba15ab6d3e", 16)); + + return new X9ECParameters( + cFp239v3, + cFp239v3.DecodePoint( + Hex.Decode("036768ae8e18bb92cfcf005c949aa2c6d94853d0e660bbf854b1c9505fe95a")), + new BigInteger("7fffffffffffffffffffffff7fffff975deb41b3a6057c3c432146526551", 16), + BigInteger.One, + Hex.Decode("7d7374168ffe3471b60a857686a19475d3bfa2ff")); + } + } + + internal class Prime256v1Holder + : X9ECParametersHolder + { + private Prime256v1Holder() {} + + internal static readonly X9ECParametersHolder Instance = new Prime256v1Holder(); + + protected override X9ECParameters CreateParameters() + { + ECCurve cFp256v1 = new FpCurve( + new BigInteger("115792089210356248762697446949407573530086143415290314195533631308867097853951"), + new BigInteger("ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", 16), + new BigInteger("5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", 16)); + + return new X9ECParameters( + cFp256v1, + cFp256v1.DecodePoint( + Hex.Decode("036b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296")), + new BigInteger("ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", 16), + BigInteger.One, + Hex.Decode("c49d360886e704936a6678e1139d26b7819f7e90")); + } + } + + /* + * F2m Curves + */ + internal class C2pnb163v1Holder + : X9ECParametersHolder + { + private C2pnb163v1Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2pnb163v1Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("0400000000000000000001E60FC8821CC74DAEAFC1", 16); + BigInteger h = BigInteger.ValueOf(2); + + ECCurve c2m163v1 = new F2mCurve( + 163, + 1, 2, 8, + new BigInteger("072546B5435234A422E0789675F432C89435DE5242", 16), + new BigInteger("00C9517D06D5240D3CFF38C74B20B6CD4D6F9DD4D9", 16), + n, h); + + return new X9ECParameters( + c2m163v1, + c2m163v1.DecodePoint( + Hex.Decode("0307AF69989546103D79329FCC3D74880F33BBE803CB")), + n, h, + Hex.Decode("D2COFB15760860DEF1EEF4D696E6768756151754")); + } + } + + internal class C2pnb163v2Holder + : X9ECParametersHolder + { + private C2pnb163v2Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2pnb163v2Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("03FFFFFFFFFFFFFFFFFFFDF64DE1151ADBB78F10A7", 16); + BigInteger h = BigInteger.ValueOf(2); + + ECCurve c2m163v2 = new F2mCurve( + 163, + 1, 2, 8, + new BigInteger("0108B39E77C4B108BED981ED0E890E117C511CF072", 16), + new BigInteger("0667ACEB38AF4E488C407433FFAE4F1C811638DF20", 16), + n, h); + + return new X9ECParameters( + c2m163v2, + c2m163v2.DecodePoint( + Hex.Decode("030024266E4EB5106D0A964D92C4860E2671DB9B6CC5")), + n, h, + null); + } + } + + internal class C2pnb163v3Holder + : X9ECParametersHolder + { + private C2pnb163v3Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2pnb163v3Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("03FFFFFFFFFFFFFFFFFFFE1AEE140F110AFF961309", 16); + BigInteger h = BigInteger.ValueOf(2); + + ECCurve c2m163v3 = new F2mCurve( + 163, + 1, 2, 8, + new BigInteger("07A526C63D3E25A256A007699F5447E32AE456B50E", 16), + new BigInteger("03F7061798EB99E238FD6F1BF95B48FEEB4854252B", 16), + n, h); + + return new X9ECParameters( + c2m163v3, + c2m163v3.DecodePoint(Hex.Decode("0202F9F87B7C574D0BDECF8A22E6524775F98CDEBDCB")), + n, h, + null); + } + } + + internal class C2pnb176w1Holder + : X9ECParametersHolder + { + private C2pnb176w1Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2pnb176w1Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("010092537397ECA4F6145799D62B0A19CE06FE26AD", 16); + BigInteger h = BigInteger.ValueOf(0xFF6E); + + ECCurve c2m176w1 = new F2mCurve( + 176, + 1, 2, 43, + new BigInteger("00E4E6DB2995065C407D9D39B8D0967B96704BA8E9C90B", 16), + new BigInteger("005DDA470ABE6414DE8EC133AE28E9BBD7FCEC0AE0FFF2", 16), + n, h); + + return new X9ECParameters( + c2m176w1, + c2m176w1.DecodePoint( + Hex.Decode("038D16C2866798B600F9F08BB4A8E860F3298CE04A5798")), + n, h, + null); + } + } + + internal class C2tnb191v1Holder + : X9ECParametersHolder + { + private C2tnb191v1Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2tnb191v1Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("40000000000000000000000004A20E90C39067C893BBB9A5", 16); + BigInteger h = BigInteger.ValueOf(2); + + ECCurve c2m191v1 = new F2mCurve( + 191, + 9, + new BigInteger("2866537B676752636A68F56554E12640276B649EF7526267", 16), + new BigInteger("2E45EF571F00786F67B0081B9495A3D95462F5DE0AA185EC", 16), + n, h); + + return new X9ECParameters( + c2m191v1, + c2m191v1.DecodePoint( + Hex.Decode("0236B3DAF8A23206F9C4F299D7B21A9C369137F2C84AE1AA0D")), + n, h, + Hex.Decode("4E13CA542744D696E67687561517552F279A8C84")); + } + } + + internal class C2tnb191v2Holder + : X9ECParametersHolder + { + private C2tnb191v2Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2tnb191v2Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("20000000000000000000000050508CB89F652824E06B8173", 16); + BigInteger h = BigInteger.ValueOf(4); + + ECCurve c2m191v2 = new F2mCurve( + 191, + 9, + new BigInteger("401028774D7777C7B7666D1366EA432071274F89FF01E718", 16), + new BigInteger("0620048D28BCBD03B6249C99182B7C8CD19700C362C46A01", 16), + n, h); + + return new X9ECParameters( + c2m191v2, + c2m191v2.DecodePoint( + Hex.Decode("023809B2B7CC1B28CC5A87926AAD83FD28789E81E2C9E3BF10")), + n, h, + null); + } + } + + internal class C2tnb191v3Holder + : X9ECParametersHolder + { + private C2tnb191v3Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2tnb191v3Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("155555555555555555555555610C0B196812BFB6288A3EA3", 16); + BigInteger h = BigInteger.ValueOf(6); + + ECCurve c2m191v3 = new F2mCurve( + 191, + 9, + new BigInteger("6C01074756099122221056911C77D77E77A777E7E7E77FCB", 16), + new BigInteger("71FE1AF926CF847989EFEF8DB459F66394D90F32AD3F15E8", 16), + n, h); + + return new X9ECParameters( + c2m191v3, + c2m191v3.DecodePoint( + Hex.Decode("03375D4CE24FDE434489DE8746E71786015009E66E38A926DD")), + n, h, + null); + } + } + + internal class C2pnb208w1Holder + : X9ECParametersHolder + { + private C2pnb208w1Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2pnb208w1Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("0101BAF95C9723C57B6C21DA2EFF2D5ED588BDD5717E212F9D", 16); + BigInteger h = BigInteger.ValueOf(0xFE48); + + ECCurve c2m208w1 = new F2mCurve( + 208, + 1, 2, 83, + new BigInteger("0", 16), + new BigInteger("00C8619ED45A62E6212E1160349E2BFA844439FAFC2A3FD1638F9E", 16), + n, h); + + return new X9ECParameters( + c2m208w1, + c2m208w1.DecodePoint( + Hex.Decode("0289FDFBE4ABE193DF9559ECF07AC0CE78554E2784EB8C1ED1A57A")), + n, h, + null); + } + } + + internal class C2tnb239v1Holder + : X9ECParametersHolder + { + private C2tnb239v1Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2tnb239v1Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("2000000000000000000000000000000F4D42FFE1492A4993F1CAD666E447", 16); + BigInteger h = BigInteger.ValueOf(4); + + ECCurve c2m239v1 = new F2mCurve( + 239, + 36, + new BigInteger("32010857077C5431123A46B808906756F543423E8D27877578125778AC76", 16), + new BigInteger("790408F2EEDAF392B012EDEFB3392F30F4327C0CA3F31FC383C422AA8C16", 16), + n, h); + + return new X9ECParameters( + c2m239v1, + c2m239v1.DecodePoint( + Hex.Decode("0257927098FA932E7C0A96D3FD5B706EF7E5F5C156E16B7E7C86038552E91D")), + n, h, + null); + } + } + + internal class C2tnb239v2Holder + : X9ECParametersHolder + { + private C2tnb239v2Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2tnb239v2Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("1555555555555555555555555555553C6F2885259C31E3FCDF154624522D", 16); + BigInteger h = BigInteger.ValueOf(6); + + ECCurve c2m239v2 = new F2mCurve( + 239, + 36, + new BigInteger("4230017757A767FAE42398569B746325D45313AF0766266479B75654E65F", 16), + new BigInteger("5037EA654196CFF0CD82B2C14A2FCF2E3FF8775285B545722F03EACDB74B", 16), + n, h); + + return new X9ECParameters( + c2m239v2, + c2m239v2.DecodePoint( + Hex.Decode("0228F9D04E900069C8DC47A08534FE76D2B900B7D7EF31F5709F200C4CA205")), + n, h, + null); + } + } + + internal class C2tnb239v3Holder + : X9ECParametersHolder + { + private C2tnb239v3Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2tnb239v3Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("0CCCCCCCCCCCCCCCCCCCCCCCCCCCCCAC4912D2D9DF903EF9888B8A0E4CFF", 16); + BigInteger h = BigInteger.ValueOf(10); + + ECCurve c2m239v3 = new F2mCurve( + 239, + 36, + new BigInteger("01238774666A67766D6676F778E676B66999176666E687666D8766C66A9F", 16), + new BigInteger("6A941977BA9F6A435199ACFC51067ED587F519C5ECB541B8E44111DE1D40", 16), + n, h); + + return new X9ECParameters( + c2m239v3, + c2m239v3.DecodePoint( + Hex.Decode("0370F6E9D04D289C4E89913CE3530BFDE903977D42B146D539BF1BDE4E9C92")), + n, h, + null); + } + } + + internal class C2pnb272w1Holder + : X9ECParametersHolder + { + private C2pnb272w1Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2pnb272w1Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("0100FAF51354E0E39E4892DF6E319C72C8161603FA45AA7B998A167B8F1E629521", 16); + BigInteger h = BigInteger.ValueOf(0xFF06); + + ECCurve c2m272w1 = new F2mCurve( + 272, + 1, 3, 56, + new BigInteger("0091A091F03B5FBA4AB2CCF49C4EDD220FB028712D42BE752B2C40094DBACDB586FB20", 16), + new BigInteger("7167EFC92BB2E3CE7C8AAAFF34E12A9C557003D7C73A6FAF003F99F6CC8482E540F7", 16), + n, h); + + return new X9ECParameters( + c2m272w1, + c2m272w1.DecodePoint( + Hex.Decode("026108BABB2CEEBCF787058A056CBE0CFE622D7723A289E08A07AE13EF0D10D171DD8D")), + n, h, + null); + } + } + + internal class C2pnb304w1Holder + : X9ECParametersHolder + { + private C2pnb304w1Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2pnb304w1Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("0101D556572AABAC800101D556572AABAC8001022D5C91DD173F8FB561DA6899164443051D", 16); + BigInteger h = BigInteger.ValueOf(0xFE2E); + + ECCurve c2m304w1 = new F2mCurve( + 304, + 1, 2, 11, + new BigInteger("00FD0D693149A118F651E6DCE6802085377E5F882D1B510B44160074C1288078365A0396C8E681", 16), + new BigInteger("00BDDB97E555A50A908E43B01C798EA5DAA6788F1EA2794EFCF57166B8C14039601E55827340BE", 16), + n, h); + + return new X9ECParameters( + c2m304w1, + c2m304w1.DecodePoint( + Hex.Decode("02197B07845E9BE2D96ADB0F5F3C7F2CFFBD7A3EB8B6FEC35C7FD67F26DDF6285A644F740A2614")), + n, h, + null); + } + } + + internal class C2tnb359v1Holder + : X9ECParametersHolder + { + private C2tnb359v1Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2tnb359v1Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("01AF286BCA1AF286BCA1AF286BCA1AF286BCA1AF286BC9FB8F6B85C556892C20A7EB964FE7719E74F490758D3B", 16); + BigInteger h = BigInteger.ValueOf(0x4C); + + ECCurve c2m359v1 = new F2mCurve( + 359, + 68, + new BigInteger("5667676A654B20754F356EA92017D946567C46675556F19556A04616B567D223A5E05656FB549016A96656A557", 16), + new BigInteger("2472E2D0197C49363F1FE7F5B6DB075D52B6947D135D8CA445805D39BC345626089687742B6329E70680231988", 16), + n, h); + + return new X9ECParameters( + c2m359v1, + c2m359v1.DecodePoint( + Hex.Decode("033C258EF3047767E7EDE0F1FDAA79DAEE3841366A132E163ACED4ED2401DF9C6BDCDE98E8E707C07A2239B1B097")), + n, h, + null); + } + } + + internal class C2pnb368w1Holder + : X9ECParametersHolder + { + private C2pnb368w1Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2pnb368w1Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("010090512DA9AF72B08349D98A5DD4C7B0532ECA51CE03E2D10F3B7AC579BD87E909AE40A6F131E9CFCE5BD967", 16); + BigInteger h = BigInteger.ValueOf(0xFF70); + + ECCurve c2m368w1 = new F2mCurve( + 368, + 1, 2, 85, + new BigInteger("00E0D2EE25095206F5E2A4F9ED229F1F256E79A0E2B455970D8D0D865BD94778C576D62F0AB7519CCD2A1A906AE30D", 16), + new BigInteger("00FC1217D4320A90452C760A58EDCD30C8DD069B3C34453837A34ED50CB54917E1C2112D84D164F444F8F74786046A", 16), + n, h); + + return new X9ECParameters( + c2m368w1, + c2m368w1.DecodePoint( + Hex.Decode("021085E2755381DCCCE3C1557AFA10C2F0C0C2825646C5B34A394CBCFA8BC16B22E7E789E927BE216F02E1FB136A5F")), + n, h, + null); + } + } + + internal class C2tnb431r1Holder + : X9ECParametersHolder + { + private C2tnb431r1Holder() {} + + internal static readonly X9ECParametersHolder Instance = new C2tnb431r1Holder(); + + protected override X9ECParameters CreateParameters() + { + BigInteger n = new BigInteger("0340340340340340340340340340340340340340340340340340340323C313FAB50589703B5EC68D3587FEC60D161CC149C1AD4A91", 16); + BigInteger h = BigInteger.ValueOf(0x2760); + + ECCurve c2m431r1 = new F2mCurve( + 431, + 120, + new BigInteger("1A827EF00DD6FC0E234CAF046C6A5D8A85395B236CC4AD2CF32A0CADBDC9DDF620B0EB9906D0957F6C6FEACD615468DF104DE296CD8F", 16), + new BigInteger("10D9B4A3D9047D8B154359ABFB1B7F5485B04CEB868237DDC9DEDA982A679A5A919B626D4E50A8DD731B107A9962381FB5D807BF2618", 16), + n, h); + + return new X9ECParameters( + c2m431r1, + c2m431r1.DecodePoint( + Hex.Decode("02120FC05D3C67A99DE161D2F4092622FECA701BE4F50F4758714E8A87BBF2A658EF8C21E7C5EFE965361F6C2999C0C247B0DBD70CE6B7")), + n, h, + null); + } + } + + private static readonly IDictionary objIds = Platform.CreateHashtable(); + private static readonly IDictionary curves = Platform.CreateHashtable(); + private static readonly IDictionary names = Platform.CreateHashtable(); + + private static void DefineCurve( + string name, + DerObjectIdentifier oid, + X9ECParametersHolder holder) + { + objIds.Add(name, oid); + names.Add(oid, name); + curves.Add(oid, holder); + } + + static X962NamedCurves() + { + DefineCurve("prime192v1", X9ObjectIdentifiers.Prime192v1, Prime192v1Holder.Instance); + DefineCurve("prime192v2", X9ObjectIdentifiers.Prime192v2, Prime192v2Holder.Instance); + DefineCurve("prime192v3", X9ObjectIdentifiers.Prime192v3, Prime192v3Holder.Instance); + DefineCurve("prime239v1", X9ObjectIdentifiers.Prime239v1, Prime239v1Holder.Instance); + DefineCurve("prime239v2", X9ObjectIdentifiers.Prime239v2, Prime239v2Holder.Instance); + DefineCurve("prime239v3", X9ObjectIdentifiers.Prime239v3, Prime239v3Holder.Instance); + DefineCurve("prime256v1", X9ObjectIdentifiers.Prime256v1, Prime256v1Holder.Instance); + DefineCurve("c2pnb163v1", X9ObjectIdentifiers.C2Pnb163v1, C2pnb163v1Holder.Instance); + DefineCurve("c2pnb163v2", X9ObjectIdentifiers.C2Pnb163v2, C2pnb163v2Holder.Instance); + DefineCurve("c2pnb163v3", X9ObjectIdentifiers.C2Pnb163v3, C2pnb163v3Holder.Instance); + DefineCurve("c2pnb176w1", X9ObjectIdentifiers.C2Pnb176w1, C2pnb176w1Holder.Instance); + DefineCurve("c2tnb191v1", X9ObjectIdentifiers.C2Tnb191v1, C2tnb191v1Holder.Instance); + DefineCurve("c2tnb191v2", X9ObjectIdentifiers.C2Tnb191v2, C2tnb191v2Holder.Instance); + DefineCurve("c2tnb191v3", X9ObjectIdentifiers.C2Tnb191v3, C2tnb191v3Holder.Instance); + DefineCurve("c2pnb208w1", X9ObjectIdentifiers.C2Pnb208w1, C2pnb208w1Holder.Instance); + DefineCurve("c2tnb239v1", X9ObjectIdentifiers.C2Tnb239v1, C2tnb239v1Holder.Instance); + DefineCurve("c2tnb239v2", X9ObjectIdentifiers.C2Tnb239v2, C2tnb239v2Holder.Instance); + DefineCurve("c2tnb239v3", X9ObjectIdentifiers.C2Tnb239v3, C2tnb239v3Holder.Instance); + DefineCurve("c2pnb272w1", X9ObjectIdentifiers.C2Pnb272w1, C2pnb272w1Holder.Instance); + DefineCurve("c2pnb304w1", X9ObjectIdentifiers.C2Pnb304w1, C2pnb304w1Holder.Instance); + DefineCurve("c2tnb359v1", X9ObjectIdentifiers.C2Tnb359v1, C2tnb359v1Holder.Instance); + DefineCurve("c2pnb368w1", X9ObjectIdentifiers.C2Pnb368w1, C2pnb368w1Holder.Instance); + DefineCurve("c2tnb431r1", X9ObjectIdentifiers.C2Tnb431r1, C2tnb431r1Holder.Instance); + } + + public static X9ECParameters GetByName( + string name) + { + DerObjectIdentifier oid = (DerObjectIdentifier) objIds[name.ToLowerInvariant()]; + + return oid == null ? null : GetByOid(oid); + } + + /** + * return the X9ECParameters object for the named curve represented by + * the passed in object identifier. Null if the curve isn't present. + * + * @param oid an object identifier representing a named curve, if present. + */ + public static X9ECParameters GetByOid( + DerObjectIdentifier oid) + { + X9ECParametersHolder holder = (X9ECParametersHolder) curves[oid]; + + return holder == null ? null : holder.Parameters; + } + + /** + * return the object identifier signified by the passed in name. Null + * if there is no object identifier associated with name. + * + * @return the object identifier associated with name, if present. + */ + public static DerObjectIdentifier GetOid( + string name) + { + return (DerObjectIdentifier) objIds[name.ToLowerInvariant()]; + } + + /** + * return the named curve name represented by the given object identifier. + */ + public static string GetName( + DerObjectIdentifier oid) + { + return (string) names[oid]; + } + + /** + * returns an enumeration containing the name strings for curves + * contained in this structure. + */ + public static IEnumerable Names + { + get { return new EnumerableProxy(objIds.Keys); } + } + } +} diff --git a/crypto/src/asn1/x9/X962Parameters.cs b/crypto/src/asn1/x9/X962Parameters.cs new file mode 100644 index 000000000..5b7eaa1de --- /dev/null +++ b/crypto/src/asn1/x9/X962Parameters.cs @@ -0,0 +1,53 @@ +using Org.BouncyCastle.Asn1; + +namespace Org.BouncyCastle.Asn1.X9 +{ + public class X962Parameters + : Asn1Encodable, IAsn1Choice + { + private readonly Asn1Object _params; + + public X962Parameters( + X9ECParameters ecParameters) + { + this._params = ecParameters.ToAsn1Object(); + } + + public X962Parameters( + DerObjectIdentifier namedCurve) + { + this._params = namedCurve; + } + + public X962Parameters( + Asn1Object obj) + { + this._params = obj; + } + + public bool IsNamedCurve + { + get { return (_params is DerObjectIdentifier); } + } + + public Asn1Object Parameters + { + get { return _params; } + } + + /** + * Produce an object suitable for an Asn1OutputStream. + * <pre> + * Parameters ::= CHOICE { + * ecParameters ECParameters, + * namedCurve CURVES.&id({CurveNames}), + * implicitlyCA Null + * } + * </pre> + */ + public override Asn1Object ToAsn1Object() + { + return _params; + } + } +} diff --git a/crypto/src/asn1/x9/X9Curve.cs b/crypto/src/asn1/x9/X9Curve.cs new file mode 100644 index 000000000..b92e7b3b5 --- /dev/null +++ b/crypto/src/asn1/x9/X9Curve.cs @@ -0,0 +1,147 @@ +using System; + +using Org.BouncyCastle.Math; +using Org.BouncyCastle.Math.EC; +using Org.BouncyCastle.Utilities; + +namespace Org.BouncyCastle.Asn1.X9 +{ + /** + * ASN.1 def for Elliptic-Curve Curve structure. See + * X9.62, for further details. + */ + public class X9Curve + : Asn1Encodable + { + private readonly ECCurve curve; + private readonly byte[] seed; + private readonly DerObjectIdentifier fieldIdentifier; + + public X9Curve( + ECCurve curve) + : this(curve, null) + { + this.curve = curve; + } + + public X9Curve( + ECCurve curve, + byte[] seed) + { + if (curve == null) + throw new ArgumentNullException("curve"); + + this.curve = curve; + this.seed = Arrays.Clone(seed); + + if (curve is FpCurve) + { + this.fieldIdentifier = X9ObjectIdentifiers.PrimeField; + } + else if (curve is F2mCurve) + { + this.fieldIdentifier = X9ObjectIdentifiers.CharacteristicTwoField; + } + else + { + throw new ArgumentException("This type of ECCurve is not implemented"); + } + } + + public X9Curve( + X9FieldID fieldID, + Asn1Sequence seq) + { + if (fieldID == null) + throw new ArgumentNullException("fieldID"); + if (seq == null) + throw new ArgumentNullException("seq"); + + this.fieldIdentifier = fieldID.Identifier; + + if (fieldIdentifier.Equals(X9ObjectIdentifiers.PrimeField)) + { + BigInteger q = ((DerInteger) fieldID.Parameters).Value; + X9FieldElement x9A = new X9FieldElement(q, (Asn1OctetString) seq[0]); + X9FieldElement x9B = new X9FieldElement(q, (Asn1OctetString) seq[1]); + curve = new FpCurve(q, x9A.Value.ToBigInteger(), x9B.Value.ToBigInteger()); + } + else + { + if (fieldIdentifier.Equals(X9ObjectIdentifiers.CharacteristicTwoField)) + { + // Characteristic two field + DerSequence parameters = (DerSequence)fieldID.Parameters; + int m = ((DerInteger)parameters[0]).Value.IntValue; + DerObjectIdentifier representation + = (DerObjectIdentifier)parameters[1]; + + int k1 = 0; + int k2 = 0; + int k3 = 0; + if (representation.Equals(X9ObjectIdentifiers.TPBasis)) + { + // Trinomial basis representation + k1 = ((DerInteger)parameters[2]).Value.IntValue; + } + else + { + // Pentanomial basis representation + DerSequence pentanomial = (DerSequence) parameters[2]; + k1 = ((DerInteger) pentanomial[0]).Value.IntValue; + k2 = ((DerInteger) pentanomial[1]).Value.IntValue; + k3 = ((DerInteger) pentanomial[2]).Value.IntValue; + } + X9FieldElement x9A = new X9FieldElement(m, k1, k2, k3, (Asn1OctetString)seq[0]); + X9FieldElement x9B = new X9FieldElement(m, k1, k2, k3, (Asn1OctetString)seq[1]); + // TODO Is it possible to get the order (n) and cofactor(h) too? + curve = new F2mCurve(m, k1, k2, k3, x9A.Value.ToBigInteger(), x9B.Value.ToBigInteger()); + } + } + + if (seq.Count == 3) + { + seed = ((DerBitString) seq[2]).GetBytes(); + } + } + + public ECCurve Curve + { + get { return curve; } + } + + public byte[] GetSeed() + { + return Arrays.Clone(seed); + } + + /** + * Produce an object suitable for an Asn1OutputStream. + * <pre> + * Curve ::= Sequence { + * a FieldElement, + * b FieldElement, + * seed BIT STRING OPTIONAL + * } + * </pre> + */ + public override Asn1Object ToAsn1Object() + { + Asn1EncodableVector v = new Asn1EncodableVector(); + + if (fieldIdentifier.Equals(X9ObjectIdentifiers.PrimeField) + || fieldIdentifier.Equals(X9ObjectIdentifiers.CharacteristicTwoField)) + { + v.Add(new X9FieldElement(curve.A).ToAsn1Object()); + v.Add(new X9FieldElement(curve.B).ToAsn1Object()); + } + + if (seed != null) + { + v.Add(new DerBitString(seed)); + } + + return new DerSequence(v); + } + } +} diff --git a/crypto/src/asn1/x9/X9ECParameters.cs b/crypto/src/asn1/x9/X9ECParameters.cs new file mode 100644 index 000000000..d025b36ce --- /dev/null +++ b/crypto/src/asn1/x9/X9ECParameters.cs @@ -0,0 +1,170 @@ +using System; + +using Org.BouncyCastle.Math; +using Org.BouncyCastle.Math.EC; + +namespace Org.BouncyCastle.Asn1.X9 +{ + /** + * ASN.1 def for Elliptic-Curve ECParameters structure. See + * X9.62, for further details. + */ + public class X9ECParameters + : Asn1Encodable + { + private X9FieldID fieldID; + private ECCurve curve; + private ECPoint g; + private BigInteger n; + private BigInteger h; + private byte[] seed; + + public X9ECParameters( + Asn1Sequence seq) + { + if (!(seq[0] is DerInteger) + || !((DerInteger) seq[0]).Value.Equals(BigInteger.One)) + { + throw new ArgumentException("bad version in X9ECParameters"); + } + + X9Curve x9c = null; + if (seq[2] is X9Curve) + { + x9c = (X9Curve) seq[2]; + } + else + { + x9c = new X9Curve( + new X9FieldID( + (Asn1Sequence) seq[1]), + (Asn1Sequence) seq[2]); + } + + this.curve = x9c.Curve; + + if (seq[3] is X9ECPoint) + { + this.g = ((X9ECPoint) seq[3]).Point; + } + else + { + this.g = new X9ECPoint(curve, (Asn1OctetString) seq[3]).Point; + } + + this.n = ((DerInteger) seq[4]).Value; + this.seed = x9c.GetSeed(); + + if (seq.Count == 6) + { + this.h = ((DerInteger) seq[5]).Value; + } + } + + public X9ECParameters( + ECCurve curve, + ECPoint g, + BigInteger n) + : this(curve, g, n, BigInteger.One, null) + { + } + + public X9ECParameters( + ECCurve curve, + ECPoint g, + BigInteger n, + BigInteger h) + : this(curve, g, n, h, null) + { + } + + public X9ECParameters( + ECCurve curve, + ECPoint g, + BigInteger n, + BigInteger h, + byte[] seed) + { + this.curve = curve; + this.g = g; + this.n = n; + this.h = h; + this.seed = seed; + + if (curve is FpCurve) + { + this.fieldID = new X9FieldID(((FpCurve) curve).Q); + } + else if (curve is F2mCurve) + { + F2mCurve curveF2m = (F2mCurve) curve; + this.fieldID = new X9FieldID(curveF2m.M, curveF2m.K1, + curveF2m.K2, curveF2m.K3); + } + } + + public ECCurve Curve + { + get { return curve; } + } + + public ECPoint G + { + get { return g; } + } + + public BigInteger N + { + get { return n; } + } + + public BigInteger H + { + get + { + if (h == null) + { + // TODO - this should be calculated, it will cause issues with custom curves. + return BigInteger.One; + } + + return h; + } + } + + public byte[] GetSeed() + { + return seed; + } + + /** + * Produce an object suitable for an Asn1OutputStream. + * <pre> + * ECParameters ::= Sequence { + * version Integer { ecpVer1(1) } (ecpVer1), + * fieldID FieldID {{FieldTypes}}, + * curve X9Curve, + * base X9ECPoint, + * order Integer, + * cofactor Integer OPTIONAL + * } + * </pre> + */ + public override Asn1Object ToAsn1Object() + { + Asn1EncodableVector v = new Asn1EncodableVector( + new DerInteger(1), + fieldID, + new X9Curve(curve, seed), + new X9ECPoint(g), + new DerInteger(n)); + + if (h != null) + { + v.Add(new DerInteger(h)); + } + + return new DerSequence(v); + } + } +} diff --git a/crypto/src/asn1/x9/X9ECParametersHolder.cs b/crypto/src/asn1/x9/X9ECParametersHolder.cs new file mode 100644 index 000000000..b3455709c --- /dev/null +++ b/crypto/src/asn1/x9/X9ECParametersHolder.cs @@ -0,0 +1,22 @@ +namespace Org.BouncyCastle.Asn1.X9 +{ + public abstract class X9ECParametersHolder + { + private X9ECParameters parameters; + + public X9ECParameters Parameters + { + get + { + if (parameters == null) + { + parameters = CreateParameters(); + } + + return parameters; + } + } + + protected abstract X9ECParameters CreateParameters(); + } +} diff --git a/crypto/src/asn1/x9/X9ECPoint.cs b/crypto/src/asn1/x9/X9ECPoint.cs new file mode 100644 index 000000000..ba2b2bcbf --- /dev/null +++ b/crypto/src/asn1/x9/X9ECPoint.cs @@ -0,0 +1,44 @@ +using Org.BouncyCastle.Math.EC; + +namespace Org.BouncyCastle.Asn1.X9 +{ + /** + * class for describing an ECPoint as a Der object. + */ + public class X9ECPoint + : Asn1Encodable + { + private readonly ECPoint p; + + public X9ECPoint( + ECPoint p) + { + this.p = p; + } + + public X9ECPoint( + ECCurve c, + Asn1OctetString s) + { + this.p = c.DecodePoint(s.GetOctets()); + } + + public ECPoint Point + { + get { return p; } + } + + /** + * Produce an object suitable for an Asn1OutputStream. + * <pre> + * ECPoint ::= OCTET STRING + * </pre> + * <p> + * Octet string produced using ECPoint.GetEncoded().</p> + */ + public override Asn1Object ToAsn1Object() + { + return new DerOctetString(p.GetEncoded()); + } + } +} diff --git a/crypto/src/asn1/x9/X9FieldElement.cs b/crypto/src/asn1/x9/X9FieldElement.cs new file mode 100644 index 000000000..06fa0e3dc --- /dev/null +++ b/crypto/src/asn1/x9/X9FieldElement.cs @@ -0,0 +1,69 @@ +using System; + +using Org.BouncyCastle.Math; +using Org.BouncyCastle.Math.EC; + +namespace Org.BouncyCastle.Asn1.X9 +{ + /** + * Class for processing an ECFieldElement as a DER object. + */ + public class X9FieldElement + : Asn1Encodable + { + private ECFieldElement f; + + public X9FieldElement( + ECFieldElement f) + { + this.f = f; + } + + public X9FieldElement( + BigInteger p, + Asn1OctetString s) + : this(new FpFieldElement(p, new BigInteger(1, s.GetOctets()))) + { + } + + public X9FieldElement( + int m, + int k1, + int k2, + int k3, + Asn1OctetString s) + : this(new F2mFieldElement(m, k1, k2, k3, new BigInteger(1, s.GetOctets()))) + { + } + + public ECFieldElement Value + { + get { return f; } + } + + /** + * Produce an object suitable for an Asn1OutputStream. + * <pre> + * FieldElement ::= OCTET STRING + * </pre> + * <p> + * <ol> + * <li> if <i>q</i> is an odd prime then the field element is + * processed as an Integer and converted to an octet string + * according to x 9.62 4.3.1.</li> + * <li> if <i>q</i> is 2<sup>m</sup> then the bit string + * contained in the field element is converted into an octet + * string with the same ordering padded at the front if necessary. + * </li> + * </ol> + * </p> + */ + public override Asn1Object ToAsn1Object() + { + int byteCount = X9IntegerConverter.GetByteLength(f); + byte[] paddedBigInteger = X9IntegerConverter.IntegerToBytes(f.ToBigInteger(), byteCount); + + return new DerOctetString(paddedBigInteger); + } + } +} diff --git a/crypto/src/asn1/x9/X9FieldID.cs b/crypto/src/asn1/x9/X9FieldID.cs new file mode 100644 index 000000000..c51cc4df2 --- /dev/null +++ b/crypto/src/asn1/x9/X9FieldID.cs @@ -0,0 +1,102 @@ +using Org.BouncyCastle.Math; + +namespace Org.BouncyCastle.Asn1.X9 +{ + /** + * ASN.1 def for Elliptic-Curve Field ID structure. See + * X9.62, for further details. + */ + public class X9FieldID + : Asn1Encodable + { + private readonly DerObjectIdentifier id; + private readonly Asn1Object parameters; + + /** + * Constructor for elliptic curves over prime fields + * <code>F<sub>2</sub></code>. + * @param primeP The prime <code>p</code> defining the prime field. + */ + public X9FieldID( + BigInteger primeP) + { + this.id = X9ObjectIdentifiers.PrimeField; + this.parameters = new DerInteger(primeP); + } + + /** + * Constructor for elliptic curves over binary fields + * <code>F<sub>2<sup>m</sup></sub></code>. + * @param m The exponent <code>m</code> of + * <code>F<sub>2<sup>m</sup></sub></code>. + * @param k1 The integer <code>k1</code> where <code>x<sup>m</sup> + + * x<sup>k3</sup> + x<sup>k2</sup> + x<sup>k1</sup> + 1</code> + * represents the reduction polynomial <code>f(z)</code>. + * @param k2 The integer <code>k2</code> where <code>x<sup>m</sup> + + * x<sup>k3</sup> + x<sup>k2</sup> + x<sup>k1</sup> + 1</code> + * represents the reduction polynomial <code>f(z)</code>. + * @param k3 The integer <code>k3</code> where <code>x<sup>m</sup> + + * x<sup>k3</sup> + x<sup>k2</sup> + x<sup>k1</sup> + 1</code> + * represents the reduction polynomial <code>f(z)</code>.. + */ + public X9FieldID( + int m, + int k1, + int k2, + int k3) + { + this.id = X9ObjectIdentifiers.CharacteristicTwoField; + + Asn1EncodableVector fieldIdParams = new Asn1EncodableVector(new DerInteger(m)); + + if (k2 == 0) + { + fieldIdParams.Add( + X9ObjectIdentifiers.TPBasis, + new DerInteger(k1)); + } + else + { + fieldIdParams.Add( + X9ObjectIdentifiers.PPBasis, + new DerSequence( + new DerInteger(k1), + new DerInteger(k2), + new DerInteger(k3))); + } + + this.parameters = new DerSequence(fieldIdParams); + } + + internal X9FieldID( + Asn1Sequence seq) + { + this.id = (DerObjectIdentifier) seq[0]; + this.parameters = (Asn1Object) seq[1]; + } + + public DerObjectIdentifier Identifier + { + get { return id; } + } + + public Asn1Object Parameters + { + get { return parameters; } + } + + /** + * Produce a Der encoding of the following structure. + * <pre> + * FieldID ::= Sequence { + * fieldType FIELD-ID.&id({IOSet}), + * parameters FIELD-ID.&Type({IOSet}{@fieldType}) + * } + * </pre> + */ + public override Asn1Object ToAsn1Object() + { + return new DerSequence(id, parameters); + } + } +} diff --git a/crypto/src/asn1/x9/X9IntegerConverter.cs b/crypto/src/asn1/x9/X9IntegerConverter.cs new file mode 100644 index 000000000..2bce20488 --- /dev/null +++ b/crypto/src/asn1/x9/X9IntegerConverter.cs @@ -0,0 +1,48 @@ +using System; + +using Org.BouncyCastle.Math; +using Org.BouncyCastle.Math.EC; + +namespace Org.BouncyCastle.Asn1.X9 +{ + public sealed class X9IntegerConverter + { + private X9IntegerConverter() + { + } + + public static int GetByteLength( + ECFieldElement fe) + { + return (fe.FieldSize + 7) / 8; + } + + public static int GetByteLength( + ECCurve c) + { + return (c.FieldSize + 7) / 8; + } + + public static byte[] IntegerToBytes( + BigInteger s, + int qLength) + { + byte[] bytes = s.ToByteArrayUnsigned(); + + if (qLength < bytes.Length) + { + byte[] tmp = new byte[qLength]; + Array.Copy(bytes, bytes.Length - tmp.Length, tmp, 0, tmp.Length); + return tmp; + } + else if (qLength > bytes.Length) + { + byte[] tmp = new byte[qLength]; + Array.Copy(bytes, 0, tmp, tmp.Length - bytes.Length, bytes.Length); + return tmp; + } + + return bytes; + } + } +} diff --git a/crypto/src/asn1/x9/X9ObjectIdentifiers.cs b/crypto/src/asn1/x9/X9ObjectIdentifiers.cs new file mode 100644 index 000000000..5b2fdbd2d --- /dev/null +++ b/crypto/src/asn1/x9/X9ObjectIdentifiers.cs @@ -0,0 +1,135 @@ +namespace Org.BouncyCastle.Asn1.X9 +{ + public abstract class X9ObjectIdentifiers + { + // + // X9.62 + // + // ansi-X9-62 OBJECT IDENTIFIER ::= { iso(1) member-body(2) + // us(840) ansi-x962(10045) } + // + internal const string AnsiX962 = "1.2.840.10045"; + internal const string IdFieldType = AnsiX962 + ".1"; + + public static readonly DerObjectIdentifier PrimeField + = new DerObjectIdentifier(IdFieldType + ".1"); + + public static readonly DerObjectIdentifier CharacteristicTwoField + = new DerObjectIdentifier(IdFieldType + ".2"); + + public static readonly DerObjectIdentifier GNBasis + = new DerObjectIdentifier(IdFieldType + ".2.3.1"); + + public static readonly DerObjectIdentifier TPBasis + = new DerObjectIdentifier(IdFieldType + ".2.3.2"); + + public static readonly DerObjectIdentifier PPBasis + = new DerObjectIdentifier(IdFieldType + ".2.3.3"); + + public const string IdECSigType = AnsiX962 + ".4"; + + public static readonly DerObjectIdentifier ECDsaWithSha1 + = new DerObjectIdentifier(IdECSigType + ".1"); + + public const string IdPublicKeyType = AnsiX962 + ".2"; + + public static readonly DerObjectIdentifier IdECPublicKey + = new DerObjectIdentifier(IdPublicKeyType + ".1"); + + public static readonly DerObjectIdentifier ECDsaWithSha2 = new DerObjectIdentifier(IdECSigType + ".3"); + public static readonly DerObjectIdentifier ECDsaWithSha224 = new DerObjectIdentifier(ECDsaWithSha2 + ".1"); + public static readonly DerObjectIdentifier ECDsaWithSha256 = new DerObjectIdentifier(ECDsaWithSha2 + ".2"); + public static readonly DerObjectIdentifier ECDsaWithSha384 = new DerObjectIdentifier(ECDsaWithSha2 + ".3"); + public static readonly DerObjectIdentifier ECDsaWithSha512 = new DerObjectIdentifier(ECDsaWithSha2 + ".4"); + + + // + // named curves + // + public static readonly DerObjectIdentifier EllipticCurve = new DerObjectIdentifier(AnsiX962 + ".3"); + + // + // Two Curves + // + public static readonly DerObjectIdentifier CTwoCurve = new DerObjectIdentifier(EllipticCurve + ".0"); + + public static readonly DerObjectIdentifier C2Pnb163v1 = new DerObjectIdentifier(CTwoCurve + ".1"); + public static readonly DerObjectIdentifier C2Pnb163v2 = new DerObjectIdentifier(CTwoCurve + ".2"); + public static readonly DerObjectIdentifier C2Pnb163v3 = new DerObjectIdentifier(CTwoCurve + ".3"); + public static readonly DerObjectIdentifier C2Pnb176w1 = new DerObjectIdentifier(CTwoCurve + ".4"); + public static readonly DerObjectIdentifier C2Tnb191v1 = new DerObjectIdentifier(CTwoCurve + ".5"); + public static readonly DerObjectIdentifier C2Tnb191v2 = new DerObjectIdentifier(CTwoCurve + ".6"); + public static readonly DerObjectIdentifier C2Tnb191v3 = new DerObjectIdentifier(CTwoCurve + ".7"); + public static readonly DerObjectIdentifier C2Onb191v4 = new DerObjectIdentifier(CTwoCurve + ".8"); + public static readonly DerObjectIdentifier C2Onb191v5 = new DerObjectIdentifier(CTwoCurve + ".9"); + public static readonly DerObjectIdentifier C2Pnb208w1 = new DerObjectIdentifier(CTwoCurve + ".10"); + public static readonly DerObjectIdentifier C2Tnb239v1 = new DerObjectIdentifier(CTwoCurve + ".11"); + public static readonly DerObjectIdentifier C2Tnb239v2 = new DerObjectIdentifier(CTwoCurve + ".12"); + public static readonly DerObjectIdentifier C2Tnb239v3 = new DerObjectIdentifier(CTwoCurve + ".13"); + public static readonly DerObjectIdentifier C2Onb239v4 = new DerObjectIdentifier(CTwoCurve + ".14"); + public static readonly DerObjectIdentifier C2Onb239v5 = new DerObjectIdentifier(CTwoCurve + ".15"); + public static readonly DerObjectIdentifier C2Pnb272w1 = new DerObjectIdentifier(CTwoCurve + ".16"); + public static readonly DerObjectIdentifier C2Pnb304w1 = new DerObjectIdentifier(CTwoCurve + ".17"); + public static readonly DerObjectIdentifier C2Tnb359v1 = new DerObjectIdentifier(CTwoCurve + ".18"); + public static readonly DerObjectIdentifier C2Pnb368w1 = new DerObjectIdentifier(CTwoCurve + ".19"); + public static readonly DerObjectIdentifier C2Tnb431r1 = new DerObjectIdentifier(CTwoCurve + ".20"); + + // + // Prime + // + public static readonly DerObjectIdentifier PrimeCurve = new DerObjectIdentifier(EllipticCurve + ".1"); + + public static readonly DerObjectIdentifier Prime192v1 = new DerObjectIdentifier(PrimeCurve + ".1"); + public static readonly DerObjectIdentifier Prime192v2 = new DerObjectIdentifier(PrimeCurve + ".2"); + public static readonly DerObjectIdentifier Prime192v3 = new DerObjectIdentifier(PrimeCurve + ".3"); + public static readonly DerObjectIdentifier Prime239v1 = new DerObjectIdentifier(PrimeCurve + ".4"); + public static readonly DerObjectIdentifier Prime239v2 = new DerObjectIdentifier(PrimeCurve + ".5"); + public static readonly DerObjectIdentifier Prime239v3 = new DerObjectIdentifier(PrimeCurve + ".6"); + public static readonly DerObjectIdentifier Prime256v1 = new DerObjectIdentifier(PrimeCurve + ".7"); + + // + // DSA + // + // dsapublicnumber OBJECT IDENTIFIER ::= { iso(1) member-body(2) + // us(840) ansi-x957(10040) number-type(4) 1 } + public static readonly DerObjectIdentifier IdDsa = new DerObjectIdentifier("1.2.840.10040.4.1"); + + /** + * id-dsa-with-sha1 OBJECT IDENTIFIER ::= { iso(1) member-body(2) + * us(840) x9-57 (10040) x9cm(4) 3 } + */ + public static readonly DerObjectIdentifier IdDsaWithSha1 = new DerObjectIdentifier("1.2.840.10040.4.3"); + + /** + * X9.63 + */ + public static readonly DerObjectIdentifier X9x63Scheme = new DerObjectIdentifier("1.3.133.16.840.63.0"); + public static readonly DerObjectIdentifier DHSinglePassStdDHSha1KdfScheme = new DerObjectIdentifier(X9x63Scheme + ".2"); + public static readonly DerObjectIdentifier DHSinglePassCofactorDHSha1KdfScheme = new DerObjectIdentifier(X9x63Scheme + ".3"); + public static readonly DerObjectIdentifier MqvSinglePassSha1KdfScheme = new DerObjectIdentifier(X9x63Scheme + ".16"); + + /** + * X9.42 + */ + + internal const string AnsiX942 = "1.2.840.10046"; + + // + // Diffie-Hellman + // + // dhpublicnumber OBJECT IDENTIFIER ::= { iso(1) member-body(2) + // us(840) ansi-x942(10046) number-type(2) 1 } + // + public static readonly DerObjectIdentifier DHPublicNumber = new DerObjectIdentifier(AnsiX942 + ".2.1"); + + public static readonly DerObjectIdentifier X9x42Schemes = new DerObjectIdentifier(AnsiX942 + ".3"); + public static readonly DerObjectIdentifier DHStatic = new DerObjectIdentifier(X9x42Schemes + ".1"); + public static readonly DerObjectIdentifier DHEphem = new DerObjectIdentifier(X9x42Schemes + ".2"); + public static readonly DerObjectIdentifier DHOneFlow = new DerObjectIdentifier(X9x42Schemes + ".3"); + public static readonly DerObjectIdentifier DHHybrid1 = new DerObjectIdentifier(X9x42Schemes + ".4"); + public static readonly DerObjectIdentifier DHHybrid2 = new DerObjectIdentifier(X9x42Schemes + ".5"); + public static readonly DerObjectIdentifier DHHybridOneFlow = new DerObjectIdentifier(X9x42Schemes + ".6"); + public static readonly DerObjectIdentifier Mqv2 = new DerObjectIdentifier(X9x42Schemes + ".7"); + public static readonly DerObjectIdentifier Mqv1 = new DerObjectIdentifier(X9x42Schemes + ".8"); + } +} |