本文整理汇总了C#中Org.BouncyCastle.Asn1.X9.X9ECPoint类的典型用法代码示例。如果您正苦于以下问题：C# X9ECPoint类的具体用法？C# X9ECPoint怎么用？C# X9ECPoint使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
X9ECPoint类属于Org.BouncyCastle.Asn1.X9命名空间，在下文中一共展示了X9ECPoint类的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: X9ECParameters
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 = new X9Curve(
X9FieldID.GetInstance(seq[1]),
Asn1Sequence.GetInstance(seq[2]));
this.curve = x9c.Curve;
object p = seq[3];
if (p is X9ECPoint)
{
this.g = ((X9ECPoint)p);
}
else
{
this.g = new X9ECPoint(curve, (Asn1OctetString)p);
}
this.n = ((DerInteger)seq[4]).Value;
this.seed = x9c.GetSeed();
if (seq.Count == 6)
{
this.h = ((DerInteger)seq[5]).Value;
}
}示例2: EncodePrivateKey
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");
}
}示例3: CreateParameters
protected override X9ECParameters CreateParameters()
{
BigInteger p = FromHex("F1FD178C0B3AD58F10126DE8CE42435B3961ADBCABC8CA6DE8FCF353D86E9C03");
BigInteger a = FromHex("F1FD178C0B3AD58F10126DE8CE42435B3961ADBCABC8CA6DE8FCF353D86E9C00");
BigInteger b = FromHex("EE353FCA5428A9300D4ABA754A44C00FDFEC0C9AE4B1A1803075ED967B7BB73F");
byte[] S = null;
BigInteger n = FromHex("F1FD178C0B3AD58F10126DE8CE42435B53DC67E140D2BF941FFDD459C6D655E1");
BigInteger h = BigInteger.One;
ECCurve curve = ConfigureCurve(new FpCurve(p, a, b, n, h));
X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04"
+ "B6B3D4C356C139EB31183D4749D423958C27D2DCAF98B70164C97A2DD98F5CFF"
+ "6142E0F7C8B204911F9271F0F3ECEF8C2701C307E8E4C9E183115A1554062CFB"));
return new X9ECParameters(curve, G, n, h, S);
}示例4: CreateParameters
protected override X9ECParameters CreateParameters()
{
// p = (2^128 - 3) / 76439
BigInteger p = FromHex("DB7C2ABF62E35E668076BEAD208B");
BigInteger a = FromHex("DB7C2ABF62E35E668076BEAD2088");
BigInteger b = FromHex("659EF8BA043916EEDE8911702B22");
byte[] S = Hex.Decode("00F50B028E4D696E676875615175290472783FB1");
BigInteger n = FromHex("DB7C2ABF62E35E7628DFAC6561C5");
BigInteger h = BigInteger.One;
ECCurve curve = ConfigureCurve(new FpCurve(p, a, b, n, h));
X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04"
+ "09487239995A5EE76B55F9C2F098"
+ "A89CE5AF8724C0A23E0E0FF77500"));
return new X9ECParameters(curve, G, n, h, S);
}示例5: CreateParameters
protected override X9ECParameters CreateParameters()
{
byte[] S = null;
ECCurve curve = ConfigureCurve(new Curve25519());
/*
* NOTE: Curve25519 was specified in Montgomery form. Rewriting in Weierstrass form
* involves substitution of variables, so the base-point x coordinate is 9 + (486662 / 3).
*
* The Curve25519 paper doesn't say which of the two possible y values the base
* point has. The choice here is guided by language in the Ed25519 paper.
*
* (The other possible y value is 5F51E65E475F794B1FE122D388B72EB36DC2B28192839E4DD6163A5D81312C14)
*/
X9ECPoint G = new X9ECPoint(curve, Hex.Decode("04"
+ "2AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD245A"
+ "20AE19A1B8A086B4E01EDD2C7748D14C923D4D7E6D7C61B229E9C5A27ECED3D9"));
return new X9ECParameters(curve, G, curve.Order, curve.Cofactor, S);
}示例6: EncodePublicKey
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");
}
}示例7: CreateKey
//.........这里部分代码省略.........
derY.Value,
new ElGamalParameters(para.P, para.G));
}
else if (algOid.Equals(X9ObjectIdentifiers.IdDsa)
|| algOid.Equals(OiwObjectIdentifiers.DsaWithSha1))
{
DerInteger derY = (DerInteger) keyInfo.GetPublicKey();
Asn1Encodable ae = algID.Parameters;
DsaParameters parameters = null;
if (ae != null)
{
DsaParameter para = DsaParameter.GetInstance(ae.ToAsn1Object());
parameters = new DsaParameters(para.P, para.Q, para.G);
}
return new DsaPublicKeyParameters(derY.Value, parameters);
}
else if (algOid.Equals(X9ObjectIdentifiers.IdECPublicKey))
{
X962Parameters para = new X962Parameters(algID.Parameters.ToAsn1Object());
X9ECParameters x9;
if (para.IsNamedCurve)
{
x9 = ECKeyPairGenerator.FindECCurveByOid((DerObjectIdentifier)para.Parameters);
}
else
{
x9 = new X9ECParameters((Asn1Sequence)para.Parameters);
}
Asn1OctetString key = new DerOctetString(keyInfo.PublicKeyData.GetBytes());
X9ECPoint derQ = new X9ECPoint(x9.Curve, key);
ECPoint q = derQ.Point;
if (para.IsNamedCurve)
{
return new ECPublicKeyParameters("EC", q, (DerObjectIdentifier)para.Parameters);
}
ECDomainParameters dParams = new ECDomainParameters(x9.Curve, x9.G, x9.N, x9.H, x9.GetSeed());
return new ECPublicKeyParameters(q, dParams);
}
else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x2001))
{
Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters(
(Asn1Sequence) algID.Parameters);
Asn1OctetString key;
try
{
key = (Asn1OctetString) keyInfo.GetPublicKey();
}
catch (IOException)
{
throw new ArgumentException("invalid info structure in GOST3410 public key");
}
byte[] keyEnc = key.GetOctets();
byte[] x = new byte[32];
byte[] y = new byte[32];
for (int i = 0; i != y.Length; i++)
{
x[i] = keyEnc[32 - 1 - i];