String    algName;
    static String getSymmetricCipherName(        int    algorithm)         throws PGPException    {        String    algName;                switch (algorithm)        {        case SymmetricKeyAlgorithmTags.NULL:            return null;        case SymmetricKeyAlgorithmTags.TRIPLE_DES:            return "DESEDE";        case SymmetricKeyAlgorithmTags.IDEA:            return "IDEA";        case SymmetricKeyAlgorithmTags.CAST5:            return "CAST5";        case SymmetricKeyAlgorithmTags.BLOWFISH:            return "Blowfish";        case SymmetricKeyAlgorithmTags.SAFER:            return "SAFER";        case SymmetricKeyAlgorithmTags.DES:            return "DES";        case SymmetricKeyAlgorithmTags.AES_128:            return "AES";        case SymmetricKeyAlgorithmTags.AES_192:            return "AES";        case SymmetricKeyAlgorithmTags.AES_256:            return "AES";        case SymmetricKeyAlgorithmTags.TWOFISH:            return "Twofish";        default:            throw new PGPException("unknown symmetric algorithm: " + algorithm);        }    }