Package org.bouncycastle.crypto

Examples of org.bouncycastle.crypto.AsymmetricCipherKeyPair

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                                            params,
                                            random);

            pGen.init(genParam);

            AsymmetricCipherKeyPair  pair = pGen.generateKeyPair();
       
            ParametersWithRandom param = new ParametersWithRandom(pair.getPrivate(), random);

            ECDSASigner ecdsa = new ECDSASigner();

            ecdsa.init(true, param);

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

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

            if (ecdsa.verifySignature(message, sig[0], sig[1]))
            {
                return new SimpleTestResult(true, getName() + ": Okay");
            }
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                                            params,
                                            random);

            pGen.init(genParam);

            AsymmetricCipherKeyPair  p1 = pGen.generateKeyPair();
            AsymmetricCipherKeyPair  p2 = pGen.generateKeyPair();
       
            //
            // two way
            //
            BasicAgreement    e1 = new ECDHBasicAgreement();
            BasicAgreement    e2 = new ECDHBasicAgreement();

            e1.init(p1.getPrivate());
            e2.init(p2.getPrivate());

            BigInteger   k1 = e1.calculateAgreement(p2.getPublic());
            BigInteger   k2 = e2.calculateAgreement(p1.getPublic());

            if (!k1.equals(k2))
            {
                return new SimpleTestResult(false, this.getName() + ": calculated agreement test failed");
            }

            //
            // two way
            //
            e1 = new ECDHCBasicAgreement();
            e2 = new ECDHCBasicAgreement();

            e1.init(p1.getPrivate());
            e2.init(p2.getPrivate());

            k1 = e1.calculateAgreement(p2.getPublic());
            k2 = e2.calculateAgreement(p1.getPublic());

            if (!k1.equals(k2))
            {
                return new SimpleTestResult(false, this.getName() + ": calculated agreement test failed");
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                                        params,
                                        random);

        pGen.init(genParam);

        AsymmetricCipherKeyPair  p1 = pGen.generateKeyPair();
        AsymmetricCipherKeyPair  p2 = pGen.generateKeyPair();
   
        //
        // stream test
        //
        IESEngine      i1 = new IESEngine(
                                   new ECDHBasicAgreement(),
                                   new KDF2BytesGenerator(new SHA1Digest()),
                                   new HMac(new SHA1Digest()));
        IESEngine      i2 = new IESEngine(
                                   new ECDHBasicAgreement(),
                                   new KDF2BytesGenerator(new SHA1Digest()),
                                   new HMac(new SHA1Digest()));
        byte[]         d = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 };
        byte[]         e = new byte[] { 8, 7, 6, 5, 4, 3, 2, 1 };
        IESParameters  p = new IESParameters(d, e, 64);

        i1.init(true, p1.getPrivate(), p2.getPublic(), p);
        i2.init(false, p2.getPrivate(), p1.getPublic(), p);

        byte[] message = Hex.decode("1234567890abcdef");

        try
        {
            byte[]   out1 = i1.processBlock(message, 0, message.length);

            byte[]   out2 = i2.processBlock(out1, 0, out1.length);

            if (!sameAs(out2, message))
            {
                return new SimpleTestResult(false, this.getName() + ": stream cipher test failed");
            }
     
        }
        catch (Exception ex)
        {
            return new SimpleTestResult(false, this.getName() + ": stream cipher test exception " + ex.toString());
        }

        //
        // twofish with IV0 test
        //
        BufferedBlockCipher c1 = new PaddedBufferedBlockCipher(
                                    new CBCBlockCipher(new TwofishEngine()));
        BufferedBlockCipher c2 = new PaddedBufferedBlockCipher(
                                    new CBCBlockCipher(new TwofishEngine()));
        i1 = new IESEngine(
                       new ECDHBasicAgreement(),
                       new KDF2BytesGenerator(new SHA1Digest()),
                       new HMac(new SHA1Digest()),
                       c1);
        i2 = new IESEngine(
                       new ECDHBasicAgreement(),
                       new KDF2BytesGenerator(new SHA1Digest()),
                       new HMac(new SHA1Digest()),
                       c2);
        d = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 };
        e = new byte[] { 8, 7, 6, 5, 4, 3, 2, 1 };
        p = new IESWithCipherParameters(d, e, 64, 128);

        i1.init(true, p1.getPrivate(), p2.getPublic(), p);
        i2.init(false, p2.getPrivate(), p1.getPublic(), p);

        message = Hex.decode("1234567890abcdef");

        try
        {
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        RSAKeyGenerationParameters  genParam = new RSAKeyGenerationParameters(
                                            BigInteger.valueOf(0x11), new SecureRandom(), 768, 25);

        pGen.init(genParam);

        AsymmetricCipherKeyPair  pair = pGen.generateKeyPair();
       
        eng = new RSAEngine();

        if (((RSAKeyParameters)pair.getPublic()).getModulus().bitLength() < 762)
        {
            return new SimpleTestResult(false, "RSA: failed key generation (768) length test");
        }

        eng.init(true, pair.getPublic());

        try
        {
            data = eng.processBlock(data, 0, data.length);
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, "RSA: failed - exception " + e.toString());
        }

        eng.init(false, pair.getPrivate());

        try
        {
            data = eng.processBlock(data, 0, data.length);
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, "RSA: failed - exception " + e.toString());
        }

        if (!input.equals(new String(Hex.encode(data))))
        {
            return new SimpleTestResult(false, "RSA: failed key generation (768) Test");
        }

        genParam = new RSAKeyGenerationParameters(BigInteger.valueOf(0x11), new SecureRandom(), 1024, 25);

        pGen.init(genParam);
        pair = pGen.generateKeyPair();

        eng.init(true, pair.getPublic());

        if (((RSAKeyParameters)pair.getPublic()).getModulus().bitLength() < 1018)
        {
            return new SimpleTestResult(false, "RSA: failed key generation (1024) length test");
        }

        try
        {
            data = eng.processBlock(data, 0, data.length);
        }
        catch (Exception e)
        {
            return new SimpleTestResult(false, "RSA: failed - exception " + e.toString());
        }

        eng.init(false, pair.getPrivate());

        try
        {
            data = eng.processBlock(data, 0, data.length);
        }
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        kpGen.init(params);

        //
        // 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();
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        kpGen.init(params);

        //
        // 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
        //
        DHBasicAgreement    e1 = new DHBasicAgreement();
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        kpGen.init(params);

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

        DHPublicKeyParameters       pu1 = (DHPublicKeyParameters)pair.getPublic();
        DHPrivateKeyParameters      pv1 = (DHPrivateKeyParameters)pair.getPrivate();
        //
        // generate second pair
        //
        params = new DHKeyGenerationParameters(new SecureRandom(), pu1.getParameters());

        kpGen.init(params);

        pair = kpGen.generateKeyPair();

        DHPublicKeyParameters       pu2 = (DHPublicKeyParameters)pair.getPublic();
        DHPrivateKeyParameters      pv2 = (DHPrivateKeyParameters)pair.getPrivate();

        //
        // two way
        //
        DHBasicAgreement    e1 = new DHBasicAgreement();
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  new DHKeyGenerationParameters(new SecureRandom(),
              getParameter()
              );
      DHKeyPairGenerator kpgen=new DHKeyPairGenerator();
      kpgen.init(params);
      AsymmetricCipherKeyPair myKpair=kpgen.generateKeyPair();
      DHPublicKeyParameters pu=(DHPublicKeyParameters)myKpair.getPublic();
      DHPrivateKeyParameters pv=(DHPrivateKeyParameters)myKpair.getPrivate();

      myKeyAgree.init(pv);
      e=pu.getY();
      e_array=e.toByteArray();
    }
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    DSAKeyGenerationParameters DSAKeyGenPara =
      new DSAKeyGenerationParameters(sr, dsap);
    DSAKeyPairGenerator kpgen=new DSAKeyPairGenerator();
    kpgen.init( DSAKeyGenPara );
    AsymmetricCipherKeyPair keyPair=kpgen.generateKeyPair();
    DSAPrivateKeyParameters prvKey=
      (DSAPrivateKeyParameters)keyPair.getPrivate();
    DSAPublicKeyParameters pubKey=
      (DSAPublicKeyParameters)keyPair.getPublic();

    x=prvKey.getX().toByteArray();
    y=pubKey.getY().toByteArray();

    p=dsap.getP().toByteArray();
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    SecureRandom sr = new SecureRandom();
    RSAKeyGenerationParameters RSAKeyGenPara =
      new RSAKeyGenerationParameters(pubExp, sr, key_size, 80);
    RSAKeyPairGenerator kpgen=new RSAKeyPairGenerator();
    kpgen.init(RSAKeyGenPara);
    AsymmetricCipherKeyPair keyPair=kpgen.generateKeyPair();

    RSAPrivateCrtKeyParameters prvKey=
      (RSAPrivateCrtKeyParameters) keyPair.getPrivate();
    RSAKeyParameters pubKey=
      (RSAKeyParameters) keyPair.getPublic();

    e=pubKey.getExponent().toByteArray();
    n=prvKey.getModulus().toByteArray();

    d=prvKey.getExponent().toByteArray();
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Related Classes of org.bouncycastle.crypto.AsymmetricCipherKeyPair

  • com.bitsofproof.supernode.common.ECKeyPair
  • com.jcraft.jsch.bc.DH
  • com.jcraft.jsch.bc.KeyPairGenDSA
  • com.jcraft.jsch.bc.KeyPairGenRSA
  • Cryptography
  • org.bouncycastle.crypto.agreement.DHAgreement
  • org.bouncycastle.crypto.generators.DHBasicKeyPairGenerator
  • org.bouncycastle.crypto.generators.DHKeyPairGenerator
  • org.bouncycastle.crypto.generators.DSAKeyPairGenerator
  • org.bouncycastle.crypto.generators.DSTU4145KeyPairGenerator
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