/// <exception cref="Sharpen.InvalidKeySpecException"></exception>
/// <exception cref="Sharpen.NoSuchAlgorithmException"></exception>
internal ObjectEncryptionV2(string algo, string key)
{
algorithmName = algo;
PBEKeySpec s;
s = new PBEKeySpec(key.ToCharArray(), salt, ITERATION_COUNT, 32);
skey = SecretKeyFactory.GetInstance(algo).GenerateSecret(s);
aspec = new PBEParameterSpec(salt, ITERATION_COUNT);
}