本文整理汇总了Java中org.bouncycastle.crypto.generators.DHKeyPairGenerator类的典型用法代码示例。如果您正苦于以下问题：Java DHKeyPairGenerator类的具体用法？Java DHKeyPairGenerator怎么用？Java DHKeyPairGenerator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。
DHKeyPairGenerator类属于org.bouncycastle.crypto.generators包，在下文中一共展示了DHKeyPairGenerator类的5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Java代码示例。
示例1: generateServerKeyExchange
import org.bouncycastle.crypto.generators.DHKeyPairGenerator; //导入依赖的package包/类
public byte[] generateServerKeyExchange()
throws IOException
{
if (this.dhParameters == null)
{
throw new TlsFatalAlert(AlertDescription.internal_error);
}
ByteArrayOutputStream buf = new ByteArrayOutputStream();
DHKeyPairGenerator kpg = new DHKeyPairGenerator();
kpg.init(new DHKeyGenerationParameters(context.getSecureRandom(), this.dhParameters));
AsymmetricCipherKeyPair kp = kpg.generateKeyPair();
BigInteger Ys = ((DHPublicKeyParameters)kp.getPublic()).getY();
TlsDHUtils.writeDHParameter(dhParameters.getP(), buf);
TlsDHUtils.writeDHParameter(dhParameters.getG(), buf);
TlsDHUtils.writeDHParameter(Ys, buf);
byte[] digestInput = buf.toByteArray();
Digest d = new CombinedHash();
SecurityParameters securityParameters = context.getSecurityParameters();
d.update(securityParameters.clientRandom, 0, securityParameters.clientRandom.length);
d.update(securityParameters.serverRandom, 0, securityParameters.serverRandom.length);
d.update(digestInput, 0, digestInput.length);
byte[] hash = new byte[d.getDigestSize()];
d.doFinal(hash, 0);
byte[] sigBytes = serverCredentials.generateCertificateSignature(hash);
/*
* TODO RFC 5246 4.7. digitally-signed element needs SignatureAndHashAlgorithm prepended from TLS 1.2
*/
TlsUtils.writeOpaque16(sigBytes, buf);
return buf.toByteArray();
}
示例2: calculateMessage
import org.bouncycastle.crypto.generators.DHKeyPairGenerator; //导入依赖的package包/类
/**
* calculate our initial message.
*/
public BigInteger calculateMessage()
{
DHKeyPairGenerator dhGen = new DHKeyPairGenerator();
dhGen.init(new DHKeyGenerationParameters(random, dhParams));
AsymmetricCipherKeyPair dhPair = dhGen.generateKeyPair();
this.privateValue = ((DHPrivateKeyParameters)dhPair.getPrivate()).getX();
return ((DHPublicKeyParameters)dhPair.getPublic()).getY();
}
示例3: testGPWithRandom
import org.bouncycastle.crypto.generators.DHKeyPairGenerator; //导入依赖的package包/类
private void testGPWithRandom(
DHKeyPairGenerator kpGen)
{
//
// generate first pair
//
AsymmetricCipherKeyPair pair = kpGen.generateKeyPair();
DHPublicKeyParameters pu1 = (DHPublicKeyParameters)pair.getPublic();
DHPrivateKeyParameters pv1 = (DHPrivateKeyParameters)pair.getPrivate();
//
// generate second pair
//
pair = kpGen.generateKeyPair();
DHPublicKeyParameters pu2 = (DHPublicKeyParameters)pair.getPublic();
DHPrivateKeyParameters pv2 = (DHPrivateKeyParameters)pair.getPrivate();
//
// two way
//
DHAgreement e1 = new DHAgreement();
DHAgreement e2 = new DHAgreement();
e1.init(new ParametersWithRandom(pv1, new SecureRandom()));
e2.init(new ParametersWithRandom(pv2, new SecureRandom()));
BigInteger m1 = e1.calculateMessage();
BigInteger m2 = e2.calculateMessage();
BigInteger k1 = e1.calculateAgreement(pu2, m2);
BigInteger k2 = e2.calculateAgreement(pu1, m1);
if (!k1.equals(k2))
{
fail("basic with random 2-way test failed");
}
}
示例4: getDHKeyPairGenerator
import org.bouncycastle.crypto.generators.DHKeyPairGenerator; //导入依赖的package包/类
private DHKeyPairGenerator getDHKeyPairGenerator(
BigInteger g,
BigInteger p)
{
DHParameters dhParams = new DHParameters(p, g);
DHKeyGenerationParameters params = new DHKeyGenerationParameters(new SecureRandom(), dhParams);
DHKeyPairGenerator kpGen = new DHKeyPairGenerator();
kpGen.init(params);
return kpGen;
}
示例5: testDH
import org.bouncycastle.crypto.generators.DHKeyPairGenerator; //导入依赖的package包/类
private void testDH(
int size,
BigInteger g,
BigInteger p)
{
DHKeyPairGenerator kpGen = getDHKeyPairGenerator(g, p);
//
// generate first pair
//
AsymmetricCipherKeyPair pair = kpGen.generateKeyPair();
DHPublicKeyParameters pu1 = (DHPublicKeyParameters)pair.getPublic();
DHPrivateKeyParameters pv1 = (DHPrivateKeyParameters)pair.getPrivate();
//
// generate second pair
//
pair = kpGen.generateKeyPair();
DHPublicKeyParameters pu2 = (DHPublicKeyParameters)pair.getPublic();
DHPrivateKeyParameters pv2 = (DHPrivateKeyParameters)pair.getPrivate();
//
// two way
//
DHAgreement e1 = new DHAgreement();
DHAgreement e2 = new DHAgreement();
e1.init(pv1);
e2.init(pv2);
BigInteger m1 = e1.calculateMessage();
BigInteger m2 = e2.calculateMessage();
BigInteger k1 = e1.calculateAgreement(pu2, m2);
BigInteger k2 = e2.calculateAgreement(pu1, m1);
if (!k1.equals(k2))
{
fail(size + " bit 2-way test failed");
}
}