Examples of AsymmetricCipherKeyPair

Examples of org.bouncycastle.crypto.AsymmetricCipherKeyPair

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            engine.init(param);
        }

        public KeyPair generateKeyPair()
        {
            AsymmetricCipherKeyPair     pair = engine.generateKeyPair();
            RSAKeyParameters            pub = (RSAKeyParameters)pair.getPublic();
            RSAPrivateCrtKeyParameters  priv = (RSAPrivateCrtKeyParameters)pair.getPrivate();

            return new KeyPair(new JCERSAPublicKey(pub),
                               new JCERSAPrivateCrtKey(priv));
        }
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Examples of org.bouncycastle.crypto.AsymmetricCipherKeyPair

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                param = new DHKeyGenerationParameters(random, pGen.generateParameters());
                engine.init(param);
                initialised = true;
            }

            AsymmetricCipherKeyPair   pair = engine.generateKeyPair();
            DHPublicKeyParameters     pub = (DHPublicKeyParameters)pair.getPublic();
            DHPrivateKeyParameters priv = (DHPrivateKeyParameters)pair.getPrivate();

            return new KeyPair(new JCEDHPublicKey(pub),
                               new JCEDHPrivateKey(priv));
        }
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Examples of org.bouncycastle.crypto.AsymmetricCipherKeyPair

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                param = new DSAKeyGenerationParameters(random, pGen.generateParameters());
                engine.init(param);
                initialised = true;
            }

            AsymmetricCipherKeyPair   pair = engine.generateKeyPair();
            DSAPublicKeyParameters     pub = (DSAPublicKeyParameters)pair.getPublic();
            DSAPrivateKeyParameters priv = (DSAPrivateKeyParameters)pair.getPrivate();

            return new KeyPair(new JDKDSAPublicKey(pub),
                               new JDKDSAPrivateKey(priv));
        }
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Examples of org.bouncycastle.crypto.AsymmetricCipherKeyPair

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                param = new ElGamalKeyGenerationParameters(random, pGen.generateParameters());
                engine.init(param);
                initialised = true;
            }

            AsymmetricCipherKeyPair         pair = engine.generateKeyPair();
            ElGamalPublicKeyParameters      pub = (ElGamalPublicKeyParameters)pair.getPublic();
            ElGamalPrivateKeyParameters     priv = (ElGamalPrivateKeyParameters)pair.getPrivate();

            return new KeyPair(new JCEElGamalPublicKey(pub),
                               new JCEElGamalPrivateKey(priv));
        }
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Examples of org.bouncycastle.crypto.AsymmetricCipherKeyPair

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            if (!initialised)
            {
                init(new GOST3410ParameterSpec(CryptoProObjectIdentifiers.gostR3410_94_CryptoPro_A.getId()), new SecureRandom());
            }
           
            AsymmetricCipherKeyPair   pair = engine.generateKeyPair();
            GOST3410PublicKeyParameters  pub = (GOST3410PublicKeyParameters)pair.getPublic();
            GOST3410PrivateKeyParameters priv = (GOST3410PrivateKeyParameters)pair.getPrivate();
           
            return new KeyPair(new JDKGOST3410PublicKey(pub, gost3410Params), new JDKGOST3410PrivateKey(priv, gost3410Params));
        }
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Examples of org.bouncycastle.crypto.AsymmetricCipherKeyPair

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            engine.init(param);
            initialised = true;
        }

        AsymmetricCipherKeyPair pair = engine.generateKeyPair();
        RainbowPublicKeyParameters pub = (RainbowPublicKeyParameters)pair.getPublic();
        RainbowPrivateKeyParameters priv = (RainbowPrivateKeyParameters)pair.getPrivate();

        return new KeyPair(new BCRainbowPublicKey(pub),
            new BCRainbowPrivateKey(priv));
    }
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Examples of org.bouncycastle.crypto.AsymmetricCipherKeyPair

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        g.clear();
        fq.clear();

        NTRUEncryptionPrivateKeyParameters priv = new NTRUEncryptionPrivateKeyParameters(h, t, fp, params.getEncryptionParameters());
        NTRUEncryptionPublicKeyParameters pub = new NTRUEncryptionPublicKeyParameters(h, params.getEncryptionParameters());
        return new AsymmetricCipherKeyPair(pub, priv);
    }
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Examples of org.bouncycastle.crypto.AsymmetricCipherKeyPair

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        }

        BigInteger r = null;
        BigInteger s = null;

        AsymmetricCipherKeyPair tempPair;
        do // generate r
        {
            // generate another, but very temporary, key pair using
            // the same EC parameters
            ECKeyPairGenerator keyGen = new ECKeyPairGenerator();
           
            keyGen.init(new ECKeyGenerationParameters(privKey.getParameters(), this.random));
           
            tempPair = keyGen.generateKeyPair();

            //    BigInteger Vx = tempPair.getPublic().getW().getAffineX();
            ECPublicKeyParameters V = (ECPublicKeyParameters)tempPair.getPublic();        // get temp's public key
            BigInteger Vx = V.getQ().getX().toBigInteger();        // get the point's x coordinate
           
            r = Vx.add(e).mod(n);
        }
        while (r.equals(ECConstants.ZERO));

        // generate s
        BigInteger x = privKey.getD();                // private key value
        BigInteger u = ((ECPrivateKeyParameters)tempPair.getPrivate()).getD();    // temp's private key value
        s = u.subtract(r.multiply(x)).mod(n);

        BigInteger[]  res = new BigInteger[2];
        res[0] = r;
        res[1] = s;
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Examples of org.bouncycastle.crypto.AsymmetricCipherKeyPair

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        DSAKeyPairGenerator         dsaKeyGen = new DSAKeyPairGenerator();
        DSAKeyGenerationParameters  genParam = new DSAKeyGenerationParameters(keyRandom, params);

        dsaKeyGen.init(genParam);

        AsymmetricCipherKeyPair  pair = dsaKeyGen.generateKeyPair();

        ParametersWithRandom param = new ParametersWithRandom(pair.getPrivate(), keyRandom);

        DSASigner dsa = new DSASigner();

        dsa.init(true, param);

        byte[] message = new BigInteger("968236873715988614170569073515315707566766479517").toByteArray();
        BigInteger[] sig = dsa.generateSignature(message);

        if (!r.equals(sig[0]))
        {
            return new SimpleTestResult(false, getName()
                + ": r component wrong." + System.getProperty("line.separator")
                + " expecting: " + r + System.getProperty("line.separator")
                + " got      : " + sig[0]);
        }

        if (!s.equals(sig[1]))
        {
            return new SimpleTestResult(false, getName()
                + ": s component wrong." + System.getProperty("line.separator")
                + " expecting: " + s + System.getProperty("line.separator")
                + " got      : " + sig[1]);
        }

        dsa.init(false, pair.getPublic());

        if (dsa.verifySignature(message, sig[0], sig[1]))
        {
            return new SimpleTestResult(true, getName() + ": Okay");
        }
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Examples of org.bouncycastle.crypto.AsymmetricCipherKeyPair

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        kpGen.init(params);

        //
        // generate pair
        //
        AsymmetricCipherKeyPair         pair = kpGen.generateKeyPair();

        ElGamalPublicKeyParameters      pu = (ElGamalPublicKeyParameters)pair.getPublic();
        ElGamalPrivateKeyParameters     pv = (ElGamalPrivateKeyParameters)pair.getPrivate();

        ElGamalEngine    e = new ElGamalEngine();

        e.init(true, pu);
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