Examples of DSAPrivateKeySpec

Examples of java.security.spec.DSAPrivateKeySpec

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     *
     * @throws InvalidKeyException
     */
    public SshDssPrivateKey(byte[] key) throws InvalidKeyException {
        try {
            DSAPrivateKeySpec dsaKey;

            // Extract the key information
            ByteArrayReader bar = new ByteArrayReader(key);
            String header = bar.readString();

            if (!header.equals(getAlgorithmName())) {
                throw new InvalidKeyException();
            }

            BigInteger p = bar.readBigInteger();
            BigInteger q = bar.readBigInteger();
            BigInteger g = bar.readBigInteger();
            BigInteger x = bar.readBigInteger();
            dsaKey = new DSAPrivateKeySpec(x, p, q, g);

            KeyFactory kf = KeyFactory.getInstance("DSA");
            prvkey = (DSAPrivateKey) kf.generatePrivate(dsaKey);
        } catch (Exception e) {
            throw new InvalidKeyException();
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Examples of java.security.spec.DSAPrivateKeySpec

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            KeyFactory kf = KeyFactory.getInstance("DSA");
//            System.out.println("ssh-dsa " + new String(Base64.encode(DSASHA1Verify.encodeSSHDSAPublicKey(x.getPublicKey()))));

            return new KeyPair(
                    kf.generatePublic(new DSAPublicKeySpec(x.getY(), x.getP(), x.getQ(), x.getG())),
                    kf.generatePrivate(new DSAPrivateKeySpec(x.getX(), x.getP(), x.getQ(), x.getG())));
        }

        throw new UnsupportedOperationException("Unrecognizable key format: "+key);
    }
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Examples of java.security.spec.DSAPrivateKeySpec

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public class KeyUtil {

    /** Creates a DSA private key. */
    public static PrivateKey newDSAPrivateKey(String x, String p, String q, String g)
            throws GeneralSecurityException {
        return SecurityUtils.getKeyFactory("DSA").generatePrivate(new DSAPrivateKeySpec(new BigInteger(x, 16),
                                                                                        new BigInteger(p, 16),
                                                                                        new BigInteger(q, 16),
                                                                                        new BigInteger(g, 16))
        );
    }
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Examples of java.security.spec.DSAPrivateKeySpec

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        }
        else if (spec.isAssignableFrom(DSAPrivateKeySpec.class) && key instanceof java.security.interfaces.DSAPrivateKey)
        {
            java.security.interfaces.DSAPrivateKey k = (java.security.interfaces.DSAPrivateKey)key;

            return new DSAPrivateKeySpec(k.getX(), k.getParams().getP(), k.getParams().getQ(), k.getParams().getG());
        }

        return super.engineGetKeySpec(key, spec);
    }
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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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                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 if (KeyPairProvider.ECDSA_SHA2_NISTP256.equals(keyAlg)) {
                return extractEC("nistp256", ECCurves.EllipticCurves.nistp256);
            } else if (KeyPairProvider.ECDSA_SHA2_NISTP384.equals(keyAlg)) {
                return extractEC("nistp384", ECCurves.EllipticCurves.nistp384);
            } else if (KeyPairProvider.ECDSA_SHA2_NISTP521.equals(keyAlg)) {
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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 if (KeyPairProvider.ECDSA_SHA2_NISTP256.equals(keyAlg)) {
                return extractEC("nistp256", ECCurves.EllipticCurves.nistp256);
            } else if (KeyPairProvider.ECDSA_SHA2_NISTP384.equals(keyAlg)) {
                return extractEC("nistp384", ECCurves.EllipticCurves.nistp384);
            } else if (KeyPairProvider.ECDSA_SHA2_NISTP521.equals(keyAlg)) {
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Examples of java.security.spec.DSAPrivateKeySpec

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

                    return (T) (new DSAPrivateKeySpec(x, p, q, g));
                }

                if (keySpec.equals(PKCS8EncodedKeySpec.class)) {
                    return (T) (new PKCS8EncodedKeySpec(key.getEncoded()));
                }
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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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            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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