Java 类org.bouncycastle.openpgp.operator.jcajce.JcaPGPKeyPair 实例源码

/**
 * 
 * @param dsaKeyPair - the generated DSA key pair
 * @param elGamalKeyPair - the generated El Gamal key pair
 * @param identity - the given identity of the key pair ring
 * @param passphrase - the secret pass phrase to protect the key pair
 * @return a PGP Key Ring Generate with the El Gamal key pair added as sub key
 * @throws Exception
 */
public static final PGPKeyRingGenerator createPGPKeyRingGenerator(KeyPair dsaKeyPair, KeyPair elGamalKeyPair, String identity, char[] passphrase) throws Exception {
        PGPKeyPair dsaPgpKeyPair = new JcaPGPKeyPair(PGPPublicKey.DSA, dsaKeyPair, new Date());
        PGPKeyPair elGamalPgpKeyPair = new JcaPGPKeyPair(PGPPublicKey.ELGAMAL_ENCRYPT, elGamalKeyPair, new Date());
        PGPDigestCalculator sha1Calc = new JcaPGPDigestCalculatorProviderBuilder().build().get(HashAlgorithmTags.SHA1);

        PGPKeyRingGenerator keyRingGen = new PGPKeyRingGenerator(
                        PGPSignature.POSITIVE_CERTIFICATION,
                        dsaPgpKeyPair,
                        identity,
                        sha1Calc,
                        null,
                        null,
                        new JcaPGPContentSignerBuilder(dsaPgpKeyPair.getPublicKey().getAlgorithm(), HashAlgorithmTags.SHA1),
                        new JcePBESecretKeyEncryptorBuilder(PGPEncryptedData.AES_256, sha1Calc).setProvider("BC").build(passphrase)
                        );

        keyRingGen.addSubKey(elGamalPgpKeyPair);
        return keyRingGen;
}