Package java.security.spec

Examples of java.security.spec.DSAPrivateKeySpec

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            DERInteger p = (DERInteger) seq.getObjectAt(1);
            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());
        }
        KeyFactory fact = KeyFactory.getInstance(type);
        return new KeyPair(fact.generatePublic(pubSpec), fact.generatePrivate(privSpec));
    }
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            BigInteger p = ((DERInteger) seq.getObjectAt(1)).getValue();
            BigInteger q = ((DERInteger) seq.getObjectAt(2)).getValue();
            BigInteger g = ((DERInteger) seq.getObjectAt(3)).getValue();
            BigInteger y = ((DERInteger) seq.getObjectAt(4)).getValue();
            BigInteger x = ((DERInteger) seq.getObjectAt(5)).getValue();
            PrivateKey priv = fact.generatePrivate(new DSAPrivateKeySpec(x, p, q, g));
            PublicKey pub = fact.generatePublic(new DSAPublicKeySpec(y, p, q, g));
            return new KeyPair(pub, priv);
        } else {
            return null;
        }
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                return fact.generatePrivate(rsaPrivSpec);
            case PGPPublicKey.DSA:
                DSAPublicBCPGKey    dsaPub = (DSAPublicBCPGKey)pubPk.getKey();
                DSASecretBCPGKey dsaPriv = (DSASecretBCPGKey)privPk;
                DSAPrivateKeySpec dsaPrivSpec =
                                            new DSAPrivateKeySpec(dsaPriv.getX(), dsaPub.getP(), dsaPub.getQ(), dsaPub.getG());

                fact = helper.createKeyFactory("DSA");

                return fact.generatePrivate(dsaPrivSpec);
            case PGPPublicKey.ELGAMAL_ENCRYPT:
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     */
    protected PrivateKey engineGeneratePrivate(KeySpec keySpec)
    throws InvalidKeySpecException {
        try {
            if (keySpec instanceof DSAPrivateKeySpec) {
                DSAPrivateKeySpec dsaPrivKeySpec = (DSAPrivateKeySpec)keySpec;
                return new DSAPrivateKey(dsaPrivKeySpec.getX(),
                                         dsaPrivKeySpec.getP(),
                                         dsaPrivKeySpec.getQ(),
                                         dsaPrivKeySpec.getG());

            } else if (keySpec instanceof PKCS8EncodedKeySpec) {
                return new DSAPrivateKey
                    (((PKCS8EncodedKeySpec)keySpec).getEncoded());

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                if (dsaPrivKeySpec.isAssignableFrom(keySpec)) {
                    java.security.interfaces.DSAPrivateKey dsaPrivKey
                        = (java.security.interfaces.DSAPrivateKey)key;
                    params = dsaPrivKey.getParams();
                    return (T) new DSAPrivateKeySpec(dsaPrivKey.getX(),
                                                     params.getP(),
                                                     params.getQ(),
                                                     params.getG());

                } else if (pkcs8KeySpec.isAssignableFrom(keySpec)) {
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                // Check if key originates from this factory
                if (key instanceof sun.security.provider.DSAPrivateKey) {
                    return key;
                }
                // Convert key to spec
                DSAPrivateKeySpec dsaPrivKeySpec
                    = engineGetKeySpec(key, DSAPrivateKeySpec.class);
                // Create key from spec, and return it
                return engineGeneratePrivate(dsaPrivKeySpec);

            } else {
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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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                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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                p.getValue(),
                q.getValue(),
                g.getValue());
            PublicKey pub = factory.generatePublic(pubSpec);

            DSAPrivateKeySpec keySpec = new DSAPrivateKeySpec(
                x.getValue(),
                p.getValue(),
                q.getValue(),
                g.getValue());
            PrivateKey key = factory.generatePrivate(keySpec);
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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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Related Classes of java.security.spec.DSAPrivateKeySpec

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  • com.sshtools.j2ssh.openssh.DSAKeyInfo
  • com.sshtools.j2ssh.transport.publickey.dsa.SshDssPrivateKey
  • GenerationTests
  • hudson.cli.CLI
  • io.apigee.trireme.crypto.algorithms.DsaKeyPairProvider
  • net.schmizz.sshj.util.KeyUtil
  • org.apache.harmony.security.provider.crypto.DSAKeyFactoryImpl
  • org.apache.harmony.security.tests.java.security.spec.DSAPrivateKeySpecTest
  • org.apache.harmony.security.tests.provider.crypto.DSAKeyFactoryImplTest
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