Examples of DSAPrivateKey

ch.ethz.ssh2.signature.DSAPrivateKey
DSAPrivateKey. @author Christian Plattner, plattner@inf.ethz.ch @version $Id: DSAPrivateKey.java,v 1.1 2005/05/26 14:53:30 cplattne Exp $
com.trilead.ssh2.signature.DSAPrivateKey
DSAPrivateKey. @author Christian Plattner, plattner@inf.ethz.ch @version $Id: DSAPrivateKey.java,v 1.1 2005/05/26 14:53:30 cplattne Exp $
freenet.crypt.DSAPrivateKey
java.security.interfaces.DSAPrivateKey
The standard interface to a DSA private key. DSA (Digital Signature Algorithm) is defined in NIST's FIPS-186. @see java.security.Key @see java.security.Signature @see DSAKey @see DSAPublicKey @version 1.20 05/11/17 @author Benjamin Renaud

Examples of java.security.interfaces.DSAPrivateKey

        final BigInteger pp = p;
        final BigInteger qq = q;
        final BigInteger gg = g;
        final BigInteger xx = x;


        return new DSAPrivateKey() {


            public BigInteger getX() {
                return xx;
            }

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Examples of java.security.interfaces.DSAPrivateKey

        {
            fail("public q value not decoded properly");
        }
        
        PKCS8EncodedKeySpec  pkcs8 = new PKCS8EncodedKeySpec(sKey.getEncoded());
        DSAPrivateKey        k2 = (DSAPrivateKey)f.generatePrivate(pkcs8);
        
        if (!k2.getX().equals(((DSAPrivateKey)sKey).getX()))
        {
            fail("private number not decoded properly");
        }
        
        if (!k2.getParams().getG().equals(((DSAPrivateKey)sKey).getParams().getG()))
        {
            fail("private generator not decoded properly");
        }
        
        if (!k2.getParams().getP().equals(((DSAPrivateKey)sKey).getParams().getP()))
        {
            fail("private p value not decoded properly");
        }
        
        if (!k2.getParams().getQ().equals(((DSAPrivateKey)sKey).getParams().getQ()))
        {
            fail("private q value not decoded properly");
        }
        
        //
        // key decoding test - SUN decoding BC keys
        // 
        f = KeyFactory.getInstance("DSA", "SUN");
        x509s = new X509EncodedKeySpec(k1.getEncoded());
        
        vKey = (DSAPublicKey)f.generatePublic(x509s);
        
        if (!k1.getY().equals(((DSAPublicKey)vKey).getY()))
        {
            fail("public number not decoded properly");
        }
        
        if (!k1.getParams().getG().equals(((DSAPublicKey)vKey).getParams().getG()))
        {
            fail("public generator not decoded properly");
        }
        
        if (!k1.getParams().getP().equals(((DSAPublicKey)vKey).getParams().getP()))
        {
            fail("public p value not decoded properly");
        }
        
        if (!k1.getParams().getQ().equals(((DSAPublicKey)vKey).getParams().getQ()))
        {
            fail("public q value not decoded properly");
        }
        
        pkcs8 = new PKCS8EncodedKeySpec(k2.getEncoded());
        sKey = (DSAPrivateKey)f.generatePrivate(pkcs8);
        
        if (!k2.getX().equals(((DSAPrivateKey)sKey).getX()))
        {
            fail("private number not decoded properly");
        }
        
        if (!k2.getParams().getG().equals(((DSAPrivateKey)sKey).getParams().getG()))
        {
            fail("private generator not decoded properly");
        }
        
        if (!k2.getParams().getP().equals(((DSAPrivateKey)sKey).getParams().getP()))
        {
            fail("private p value not decoded properly");
        }
        
        if (!k2.getParams().getQ().equals(((DSAPrivateKey)sKey).getParams().getQ()))
        {
            fail("private q value not decoded properly");
        }
        
        //

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Examples of java.security.interfaces.DSAPrivateKey

     *             public key
     */
    public static PublicKey derivePublicKey(PrivateKey key) throws KeyException {
        KeyFactory factory;
        if (key instanceof DSAPrivateKey) {
            DSAPrivateKey dsaKey = (DSAPrivateKey) key;
            DSAParams keyParams = dsaKey.getParams();
            BigInteger y = keyParams.getQ().modPow(dsaKey.getX(), keyParams.getP());
            DSAPublicKeySpec pubKeySpec = new DSAPublicKeySpec(y, keyParams.getP(), keyParams.getQ(), keyParams.getG());


            try {
                factory = KeyFactory.getInstance("DSA");
                return factory.generatePublic(pubKeySpec);

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Examples of java.security.interfaces.DSAPrivateKey

        }
        else if (obj instanceof DSAPrivateKey)
        {
            type = "DSA PRIVATE KEY";


            DSAPrivateKey       k = (DSAPrivateKey)obj;
            DSAParams           p = k.getParams();
            ASN1EncodableVector v = new ASN1EncodableVector();


            v.add(new DERInteger(0));
            v.add(new DERInteger(p.getP()));
            v.add(new DERInteger(p.getQ()));
            v.add(new DERInteger(p.getG()));


            BigInteger x = k.getX();
            BigInteger y = p.getG().modPow(x, p.getP());


            v.add(new DERInteger(y));
            v.add(new DERInteger(x));

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Examples of java.security.interfaces.DSAPrivateKey

        return getRuntime().getNil();
    }


    @JRubyMethod(name="priv_key")
    public synchronized IRubyObject get_priv_key() {
        DSAPrivateKey key;
        BigInteger param;
        if ((key = this.privKey) != null) {
            return BN.newBN(getRuntime(), key.getX());
        }
        return getRuntime().getNil();
    }

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Examples of java.security.interfaces.DSAPrivateKey

     *             public key
     */
    public static PublicKey derivePublicKey(PrivateKey key) throws KeyException {
        KeyFactory factory;
        if (key instanceof DSAPrivateKey) {
            DSAPrivateKey dsaKey = (DSAPrivateKey) key;
            DSAParams keyParams = dsaKey.getParams();
            BigInteger y = keyParams.getQ().modPow(dsaKey.getX(), keyParams.getP());
            DSAPublicKeySpec pubKeySpec = new DSAPublicKeySpec(y, keyParams.getP(), keyParams.getQ(), keyParams.getG());


            try {
                factory = KeyFactory.getInstance("DSA");
                return factory.generatePublic(pubKeySpec);

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Examples of java.security.interfaces.DSAPrivateKey

            keyGen.initialize(bits, ConfigurationLoader.getRND());


            KeyPair pair = keyGen.generateKeyPair();


            // Get the keys
            DSAPrivateKey prvKey = (DSAPrivateKey) pair.getPrivate();
            DSAPublicKey pubKey = (DSAPublicKey) pair.getPublic();


            // Set the private key (the public is automatically generated)
            setPrivateKey(new SshDssPrivateKey(prvKey));
        } catch (NoSuchAlgorithmException nsae) {

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Examples of java.security.interfaces.DSAPrivateKey

            RSAPrivateCrtKey rsK = (RSAPrivateCrtKey)privKey;


            privPk = new RSASecretBCPGKey(rsK.getPrivateExponent(), rsK.getPrimeP(), rsK.getPrimeQ());
            break;
        case PGPPublicKey.DSA:
            DSAPrivateKey dsK = (DSAPrivateKey)privKey;


            privPk = new DSASecretBCPGKey(dsK.getX());
            break;
        case PGPPublicKey.ELGAMAL_ENCRYPT:
        case PGPPublicKey.ELGAMAL_GENERAL:
            ElGamalPrivateKey esK = (ElGamalPrivateKey)privKey;

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Examples of java.security.interfaces.DSAPrivateKey


            privateKeyDataPacket = new RSASecretBCPGKey(rsK.getPrivateExponent(), rsK.getPrimeP(), rsK.getPrimeQ());
        }
        else if (privateKey instanceof DSAPrivateKey)
        {
            DSAPrivateKey dsK = (DSAPrivateKey)privateKey;


            privateKeyDataPacket = new DSASecretBCPGKey(dsK.getX());
        }
        else if (privateKey instanceof  ElGamalPrivateKey)
        {
            ElGamalPrivateKey esK = (ElGamalPrivateKey)privateKey;

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Examples of java.security.interfaces.DSAPrivateKey

            if (keySpec == null) {
                throw new NullPointerException(Messages
                        .getString("security.19E")); //$NON-NLS-1$
            }
            if (key instanceof DSAPrivateKey) {
                DSAPrivateKey privateKey = (DSAPrivateKey) key;


                if (keySpec.equals(DSAPrivateKeySpec.class)) {


                    x = privateKey.getX();


                    DSAParams params = privateKey.getParams();


                    p = params.getP();
                    q = params.getQ();
                    g = params.getG();

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