本文整理了Java中org.bouncycastle.crypto.params.ECPrivateKeyParameters.getD()
方法的一些代码示例,展示了ECPrivateKeyParameters.getD()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。ECPrivateKeyParameters.getD()
方法的具体详情如下:
包路径:org.bouncycastle.crypto.params.ECPrivateKeyParameters
类名称:ECPrivateKeyParameters
方法名:getD
暂无
代码示例来源:origin: org.bouncycastle/bcprov-debug-jdk15on
public BCDSTU4145PrivateKey(
String algorithm,
ECPrivateKeyParameters params)
{
this.algorithm = algorithm;
this.d = params.getD();
this.ecSpec = null;
}
代码示例来源:origin: org.cryptacular/cryptacular
@Override
public BigInteger getS()
{
return delegate.getD();
}
}
代码示例来源:origin: org.bouncycastle/bcprov-debug-jdk15on
public BCECGOST3410_2012PrivateKey(
String algorithm,
ECPrivateKeyParameters params)
{
this.algorithm = algorithm;
this.d = params.getD();
this.ecSpec = null;
}
代码示例来源:origin: org.bouncycastle/bcprov-debug-jdk15on
public BCECPrivateKey(
String algorithm,
ECPrivateKeyParameters params,
ProviderConfiguration configuration)
{
this.algorithm = algorithm;
this.d = params.getD();
this.ecSpec = null;
this.configuration = configuration;
}
代码示例来源:origin: org.bouncycastle/bcprov-debug-jdk15on
public JCEECPrivateKey(
String algorithm,
ECPrivateKeyParameters params)
{
this.algorithm = algorithm;
this.d = params.getD();
this.ecSpec = null;
}
代码示例来源:origin: org.bouncycastle/bcprov-debug-jdk15on
public BCECGOST3410PrivateKey(
String algorithm,
ECPrivateKeyParameters params)
{
this.algorithm = algorithm;
this.d = params.getD();
this.ecSpec = null;
}
代码示例来源:origin: RUB-NDS/TLS-Attacker
protected void preparePrivateKey(T msg) {
msg.getComputations().setPrivateKey(privEcParams.getD());
LOGGER.debug("PrivateKey: " + msg.getComputations().getPrivateKey().getValue().toString());
}
}
代码示例来源:origin: hyperledger-archives/fabric-api
@Override
public byte[] createNewPrivateKey() {
ECKeyPairGenerator generator = new ECKeyPairGenerator();
ECKeyGenerationParameters keygenParams = new ECKeyGenerationParameters(domain, secureRandom);
generator.init(keygenParams);
AsymmetricCipherKeyPair keypair = generator.generateKeyPair();
ECPrivateKeyParameters privParams = (ECPrivateKeyParameters) keypair.getPrivate();
return privParams.getD().toByteArray();
}
代码示例来源:origin: redfish64/TinyTravelTracker
/**
* Decrypt an EC pair producing the original EC point.
*
* @param pair the EC point pair to process.
* @return the result of the Elgamal process.
*/
public ECPoint decrypt(ECPair pair)
{
if (key == null)
{
throw new IllegalStateException("ECElGamalDecryptor not initialised");
}
ECPoint tmp = pair.getX().multiply(key.getD());
return pair.getY().subtract(tmp).normalize();
}
}
代码示例来源:origin: redfish64/TinyTravelTracker
public BigInteger calculateAgreement(
CipherParameters pubKey)
{
ECPublicKeyParameters pub = (ECPublicKeyParameters)pubKey;
ECPoint P = pub.getQ().multiply(key.getD()).normalize();
if (P.isInfinity())
{
throw new IllegalStateException("Infinity is not a valid agreement value for ECDH");
}
return P.getAffineXCoord().toBigInteger();
}
}
代码示例来源:origin: org.bouncycastle/bcprov-debug-jdk15on
private ECPoint calculateU(SM2KeyExchangePublicParameters otherPub)
{
ECDomainParameters params = staticKey.getParameters();
ECPoint p1 = ECAlgorithms.cleanPoint(params.getCurve(), otherPub.getStaticPublicKey().getQ());
ECPoint p2 = ECAlgorithms.cleanPoint(params.getCurve(), otherPub.getEphemeralPublicKey().getQ());
BigInteger x1 = reduce(ephemeralPubPoint.getAffineXCoord().toBigInteger());
BigInteger x2 = reduce(p2.getAffineXCoord().toBigInteger());
BigInteger tA = staticKey.getD().add(x1.multiply(ephemeralKey.getD()));
BigInteger k1 = ecParams.getH().multiply(tA).mod(ecParams.getN());
BigInteger k2 = k1.multiply(x2).mod(ecParams.getN());
return ECAlgorithms.sumOfTwoMultiplies(p1, k1, p2, k2).normalize();
}
代码示例来源:origin: redfish64/TinyTravelTracker
public BigInteger calculateAgreement(
CipherParameters pubKey)
{
ECPublicKeyParameters pub = (ECPublicKeyParameters)pubKey;
ECDomainParameters params = pub.getParameters();
BigInteger hd = params.getH().multiply(key.getD()).mod(params.getN());
ECPoint P = pub.getQ().multiply(hd).normalize();
if (P.isInfinity())
{
throw new IllegalStateException("Infinity is not a valid agreement value for ECDHC");
}
return P.getAffineXCoord().toBigInteger();
}
}
代码示例来源:origin: org.bouncycastle/bcprov-debug-jdk15on
public byte[] calculateAgreement(
CipherParameters pubKey)
{
ECPublicKeyParameters pub = (ECPublicKeyParameters)pubKey;
ECDomainParameters params = key.getParameters();
if (!params.equals(pub.getParameters()))
{
throw new IllegalStateException("ECVKO public key has wrong domain parameters");
}
BigInteger hd = params.getH().multiply(ukm).multiply(key.getD()).mod(params.getN());
// Always perform calculations on the exact curve specified by our private key's parameters
ECPoint pubPoint = ECAlgorithms.cleanPoint(params.getCurve(), pub.getQ());
if (pubPoint.isInfinity())
{
throw new IllegalStateException("Infinity is not a valid public key for ECDHC");
}
ECPoint P = pubPoint.multiply(hd).normalize();
if (P.isInfinity())
{
throw new IllegalStateException("Infinity is not a valid agreement value for ECVKO");
}
return fromPoint(P);
}
代码示例来源:origin: nuls-io/nuls
public ECPoint initEnc(SM2 sm2, ECPoint userKey) {
AsymmetricCipherKeyPair key = sm2.ecc_key_pair_generator.generateKeyPair();
ECPrivateKeyParameters ecpriv = (ECPrivateKeyParameters) key.getPrivate();
ECPublicKeyParameters ecpub = (ECPublicKeyParameters) key.getPublic();
BigInteger k = ecpriv.getD();
ECPoint c1 = ecpub.getQ();
this.p2 = userKey.multiply(k);
reset();
return c1;
}
代码示例来源:origin: gotoworld/hsd-cipher-sm
public ECPoint Init_enc(SM2 sm2, ECPoint userKey)
{
AsymmetricCipherKeyPair key = sm2.ecc_key_pair_generator.generateKeyPair();
ECPrivateKeyParameters ecpriv = (ECPrivateKeyParameters) key.getPrivate();
ECPublicKeyParameters ecpub = (ECPublicKeyParameters) key.getPublic();
BigInteger k = ecpriv.getD();
ECPoint c1 = ecpub.getQ();
this.p2 = userKey.multiply(k);
Reset();
return c1;
}
代码示例来源:origin: org.bouncycastle/bcprov-debug-jdk15on
/**
* Decrypt an EC pair producing the original EC point.
*
* @param pair the EC point pair to process.
* @return the result of the Elgamal process.
*/
public ECPoint decrypt(ECPair pair)
{
if (key == null)
{
throw new IllegalStateException("ECElGamalDecryptor not initialised");
}
ECCurve curve = key.getParameters().getCurve();
ECPoint tmp = ECAlgorithms.cleanPoint(curve, pair.getX()).multiply(key.getD());
return ECAlgorithms.cleanPoint(curve, pair.getY()).subtract(tmp).normalize();
}
}
代码示例来源:origin: NemProject/nem.core
@Override
public KeyPair generateKeyPair() {
final ECKeyPairGenerator generator = new ECKeyPairGenerator();
final ECKeyGenerationParameters keyGenParams = new ECKeyGenerationParameters(SecP256K1Curve.secp256k1().getParams(), RANDOM);
generator.init(keyGenParams);
final AsymmetricCipherKeyPair keyPair = generator.generateKeyPair();
final ECPrivateKeyParameters privateKeyParams = (ECPrivateKeyParameters)keyPair.getPrivate();
final PrivateKey privateKey = new PrivateKey(privateKeyParams.getD());
return new KeyPair(privateKey, CryptoEngines.secp256k1Engine());
}
代码示例来源:origin: org.xipki/security
public SM2Signer(CipherParameters param) {
if (param instanceof ParametersWithRandom) {
ParametersWithRandom rdmParam = (ParametersWithRandom) param;
ecKey = (ECKeyParameters)rdmParam.getParameters();
ecParams = ecKey.getParameters();
kCalculator.init(ecParams.getN(), rdmParam.getRandom());
} else {
ecKey = (ECKeyParameters) param;
ecParams = ecKey.getParameters();
kCalculator.init(ecParams.getN(), new SecureRandom());
}
if (!GMUtil.isSm2primev2Curve(ecKey.getParameters().getCurve())) {
throw new IllegalArgumentException("Given EC key is not of the curve sm2primev2");
}
this.pubPoint = new FixedPointCombMultiplier().multiply(ecParams.getG(),
((ECPrivateKeyParameters)ecKey).getD()).normalize();
this.digest = HashAlgo.SM3.createDigest();
}
代码示例来源:origin: kframework/k
/**
* Generates an entirely new keypair with the given {@link SecureRandom} object. Point compression is used so the
* resulting public key will be 33 bytes (32 for the co-ordinate and 1 byte to represent the y bit).
*/
public ECDSARecover(SecureRandom secureRandom) {
ECKeyPairGenerator generator = new ECKeyPairGenerator();
ECKeyGenerationParameters keygenParams = new ECKeyGenerationParameters(CURVE, secureRandom);
generator.init(keygenParams);
AsymmetricCipherKeyPair keypair = generator.generateKeyPair();
ECPrivateKeyParameters privParams = (ECPrivateKeyParameters) keypair.getPrivate();
ECPublicKeyParameters pubParams = (ECPublicKeyParameters) keypair.getPublic();
priv = privParams.getD();
pub = CURVE.getCurve().decodePoint(pubParams.getQ().getEncoded(true));
}
代码示例来源:origin: NemProject/nem.core
@Test
public void getPrivateKeyParametersReturnsPrivateKeyParameters() {
// Arrange:
final KeyGenerator generator = new SecP256K1KeyGenerator();
final KeyPair keyPair = generator.generateKeyPair();
// Act:
final ECPrivateKeyParameters parameters = SecP256K1Utils.getPrivateKeyParameters(keyPair.getPrivateKey());
// Assert:
Assert.assertThat(parameters.getD(), IsEqual.equalTo(keyPair.getPrivateKey().getRaw()));
}
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