Examples of DSAPrivateKeySpec

Examples of java.security.spec.DSAPrivateKeySpec

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                DSAPrivateKey privateKey = (DSAPrivateKey) key;
                DSAParams params = privateKey.getParams();

                try {
                    return engineGeneratePrivate(new DSAPrivateKeySpec(
                            privateKey.getX(), params.getP(), params.getQ(),
                            params.getG()));
                } catch (InvalidKeySpecException e) {
                    // Actually this exception shouldn't be thrown
                    throw new InvalidKeyException(Messages.getString(
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Examples of java.security.spec.DSAPrivateKeySpec

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                BigInteger g = getMPInt();
                BigInteger y = getMPInt();
                BigInteger x = getMPInt();
                KeyFactory keyFactory = SecurityUtils.getKeyFactory("DSA");
                pub = keyFactory.generatePublic(new DSAPublicKeySpec(y, p, q, g));
                prv = keyFactory.generatePrivate(new DSAPrivateKeySpec(x, p, q, g));
            } else {
                throw new IllegalStateException("Unsupported algorithm: " + keyAlg);
            }
            return new KeyPair(pub, prv);
        } catch (InvalidKeySpecException e) {
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Examples of java.security.spec.DSAPrivateKeySpec

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                return new PGPPrivateKey(fact.generatePrivate(rsaPrivSpec), this.getKeyID());   
            case PGPPublicKey.DSA:
                DSAPublicBCPGKey    dsaPub = (DSAPublicBCPGKey)pubPk.getKey();
                DSASecretBCPGKey    dsaPriv = new DSASecretBCPGKey(in);
                DSAPrivateKeySpec   dsaPrivSpec =
                                            new DSAPrivateKeySpec(dsaPriv.getX(), dsaPub.getP(), dsaPub.getQ(), dsaPub.getG());

                fact = KeyFactory.getInstance("DSA", provider);

                return new PGPPrivateKey(fact.generatePrivate(dsaPrivSpec), this.getKeyID());
            case PGPPublicKey.ELGAMAL_ENCRYPT:
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Examples of java.security.spec.DSAPrivateKeySpec

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            DERInteger              q = (DERInteger)seq.getObjectAt(2);
            DERInteger              g = (DERInteger)seq.getObjectAt(3);
            DERInteger              y = (DERInteger)seq.getObjectAt(4);
            DERInteger              x = (DERInteger)seq.getObjectAt(5);

            privSpec = new DSAPrivateKeySpec(
                        x.getValue(), p.getValue(),
                            q.getValue(), g.getValue());
            pubSpec = new DSAPublicKeySpec(
                        y.getValue(), p.getValue(),
                            q.getValue(), g.getValue());
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Examples of java.security.spec.DSAPrivateKeySpec

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    _signature.initVerify(pubKey);
  }

  @Override
  public void setPrvKey(byte[] x, byte[] p, byte[] q, byte[] g) throws Exception {
    DSAPrivateKeySpec dsaPrivKeySpec = new DSAPrivateKeySpec(new BigInteger(x), new BigInteger(p), new BigInteger(q), new BigInteger(g));
    PrivateKey prvKey = _keyFactory.generatePrivate(dsaPrivKeySpec);
    _signature.initSign(prvKey);
  }
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Examples of java.security.spec.DSAPrivateKeySpec

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                return new PGPPrivateKey(fact.generatePrivate(rsaPrivSpec), this.getKeyID());   
            case PGPPublicKey.DSA:
                DSAPublicBCPGKey    dsaPub = (DSAPublicBCPGKey)pubPk.getKey();
                DSASecretBCPGKey    dsaPriv = new DSASecretBCPGKey(in);
                DSAPrivateKeySpec   dsaPrivSpec =
                                            new DSAPrivateKeySpec(dsaPriv.getX(), dsaPub.getP(), dsaPub.getQ(), dsaPub.getG());

                fact = KeyFactory.getInstance("DSA", provider);

                return new PGPPrivateKey(fact.generatePrivate(dsaPrivSpec), this.getKeyID());
            case PGPPublicKey.ELGAMAL_ENCRYPT:
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Examples of java.security.spec.DSAPrivateKeySpec

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    private static PrivateKey getPrivateKey(String algo, int keysize)
        throws Exception {
        KeyFactory kf = KeyFactory.getInstance(algo);
        KeySpec kspec;
        if (algo.equalsIgnoreCase("DSA")) {
            kspec = new DSAPrivateKeySpec
                (new BigInteger(DSA_X), new BigInteger(DSA_P),
                 new BigInteger(DSA_Q), new BigInteger(DSA_G));
        } else if (algo.equalsIgnoreCase("RSA")) {
            if (keysize == 512) {
                kspec = new RSAPrivateKeySpec
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Examples of java.security.spec.DSAPrivateKeySpec

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    BigInteger xVal = new BigInteger(Base64Coder.decode(x));
    BigInteger pVal = new BigInteger(Base64Coder.decode(publicKey.p));
    BigInteger qVal = new BigInteger(Base64Coder.decode(publicKey.q));
    BigInteger gVal = new BigInteger(Base64Coder.decode(publicKey.g));
    DSAPrivateKeySpec spec = new DSAPrivateKeySpec(xVal, pVal, qVal, gVal);
   
    try {
      KeyFactory kf = KeyFactory.getInstance(KEY_GEN_ALGORITHM);
      jcePrivateKey = (DSAPrivateKey) kf.generatePrivate(spec);
     
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Examples of java.security.spec.DSAPrivateKeySpec

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    BigInteger pVal = new BigInteger(Base64Coder.decodeWebSafe(publicKey.p));
    BigInteger qVal = new BigInteger(Base64Coder.decodeWebSafe(publicKey.q));
    BigInteger gVal = new BigInteger(Base64Coder.decodeWebSafe(publicKey.g));
    try {
      KeyFactory kf = KeyFactory.getInstance(KEY_GEN_ALGORITHM);
      final DSAPrivateKeySpec spec = new DSAPrivateKeySpec(xVal, pVal, qVal, gVal);
      jcePrivateKey = (DSAPrivateKey) kf.generatePrivate(spec);
      return this;
    } catch (GeneralSecurityException e) {
      throw new KeyczarException(e);
    }
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Examples of java.security.spec.DSAPrivateKeySpec

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            DERInteger              q = (DERInteger)seq.getObjectAt(2);
            DERInteger              g = (DERInteger)seq.getObjectAt(3);
            DERInteger              y = (DERInteger)seq.getObjectAt(4);
            DERInteger              x = (DERInteger)seq.getObjectAt(5);

            privSpec = new DSAPrivateKeySpec(
                        x.getValue(), p.getValue(),
                            q.getValue(), g.getValue());
            pubSpec = new DSAPublicKeySpec(
                        y.getValue(), p.getValue(),
                            q.getValue(), g.getValue());
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