Package org.bouncycastle.crypto.params

Examples of org.bouncycastle.crypto.params.DHParameters

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    }

    public AsymmetricCipherKeyPair generateKeyPair()
    {
        BigInteger      p, x, y;
        DHParameters    dhParams = param.getParameters();
       
        p = dhParams.getP();
        x = helper.calculatePrivate(p, param.getRandom(), dhParams.getJ());
        y = helper.calculatePublic(p, dhParams.getG(), x);

        return new AsymmetricCipherKeyPair(
                new DHPublicKeyParameters(y, dhParams),
                new DHPrivateKeyParameters(x, dhParams));
    }
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                 || algId.getObjectId().equals(X9ObjectIdentifiers.dhpublicnumber))
        {
            DHParameter params = new DHParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger  derY = (DERInteger)keyInfo.getPublicKey();
           
            return new DHPublicKeyParameters(derY.getValue(), new DHParameters(params.getP(), params.getG()));
        }
        else if (algId.getObjectId().equals(OIWObjectIdentifiers.elGamalAlgorithm))
        {
            ElGamalParameter    params = new ElGamalParameter((ASN1Sequence)keyInfo.getAlgorithmId().getParameters());
            DERInteger          derY = (DERInteger)keyInfo.getPublicKey();
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    }

    public AsymmetricCipherKeyPair generateKeyPair()
    {
        BigInteger      p, x, y;
        DHParameters    dhParams = param.getParameters();

        p = dhParams.getP();
        x = helper.calculatePrivate(p, param.getRandom(), dhParams.getJ());
        y = helper.calculatePublic(p, dhParams.getG(), x);

        return new AsymmetricCipherKeyPair(
                new DHPublicKeyParameters(y, dhParams),
                new DHPrivateKeyParameters(x, dhParams));
    }
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Related Classes of org.bouncycastle.crypto.params.DHParameters

  • com.jcraft.jsch.bc.DH
  • org.bouncycastle.crypto.agreement.DHStandardGroups
  • org.bouncycastle.crypto.generators.DHBasicKeyPairGenerator
  • org.bouncycastle.crypto.generators.DHKeyPairGenerator
  • org.bouncycastle.crypto.generators.DHParametersGenerator
  • org.bouncycastle.crypto.generators.ElGamalKeyPairGenerator
  • org.bouncycastle.crypto.test.DHTest
  • org.bouncycastle.crypto.tls.TlsDHEKeyExchange
  • org.bouncycastle.crypto.tls.TlsDHUtils
  • org.bouncycastle.crypto.tls.TlsProtocolHandler
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