本文整理汇总了Java中org.bouncycastle.crypto.params.ElGamalParameters.getL方法的典型用法代码示例。如果您正苦于以下问题：Java ElGamalParameters.getL方法的具体用法？Java ElGamalParameters.getL怎么用？Java ElGamalParameters.getL使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.bouncycastle.crypto.params.ElGamalParameters的用法示例。
在下文中一共展示了ElGamalParameters.getL方法的2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: generateKeyPair
import org.bouncycastle.crypto.params.ElGamalParameters; //导入方法依赖的package包/类
public AsymmetricCipherKeyPair generateKeyPair()
{
DHKeyGeneratorHelper helper = DHKeyGeneratorHelper.INSTANCE;
ElGamalParameters egp = param.getParameters();
DHParameters dhp = new DHParameters(egp.getP(), egp.getG(), null, egp.getL());
BigInteger x = helper.calculatePrivate(dhp, param.getRandom());
BigInteger y = helper.calculatePublic(dhp, x);
return new AsymmetricCipherKeyPair(
new ElGamalPublicKeyParameters(y, egp),
new ElGamalPrivateKeyParameters(x, egp));
}
示例2: testGeneration
import org.bouncycastle.crypto.params.ElGamalParameters; //导入方法依赖的package包/类
/**
* this test is can take quiet a while
*
* @param size size of key in bits.
*/
private void testGeneration(
int size)
{
ElGamalParametersGenerator pGen = new ElGamalParametersGenerator();
pGen.init(size, 10, new SecureRandom());
ElGamalParameters elParams = pGen.generateParameters();
if (elParams.getL() != 0)
{
fail("ElGamalParametersGenerator failed to set L to 0 in generated ElGamalParameters");
}
ElGamalKeyGenerationParameters params = new ElGamalKeyGenerationParameters(new SecureRandom(), elParams);
ElGamalKeyPairGenerator kpGen = new ElGamalKeyPairGenerator();
kpGen.init(params);
//
// generate first pair
//
AsymmetricCipherKeyPair pair = kpGen.generateKeyPair();
ElGamalPublicKeyParameters pu = (ElGamalPublicKeyParameters)pair.getPublic();
ElGamalPrivateKeyParameters pv = (ElGamalPrivateKeyParameters)pair.getPrivate();
ElGamalEngine e = new ElGamalEngine();
e.init(true, new ParametersWithRandom(pu, new SecureRandom()));
byte[] message = Hex.decode("5468697320697320612074657374");
byte[] pText = message;
byte[] cText = e.processBlock(pText, 0, pText.length);
e.init(false, pv);
pText = e.processBlock(cText, 0, cText.length);
if (!Arrays.areEqual(message, pText))
{
fail("generation test failed");
}
}