private static byte[] DecodeBytes(string token, object key = null, JwsAlgorithm?jwsAlg = null, JweAlgorithm?jweAlg = null, JweEncryption?jweEnc = null)
{
Ensure.IsNotEmpty(token, "Incoming token expected to be in compact serialization form, not empty, whitespace or null.", new object[0]);
byte[][] numArray = Compact.Parse(token);
if ((int)numArray.Length == 5)
{
return(JWT.DecryptBytes(numArray, key, jweAlg, jweEnc));
}
byte[] numArray1 = numArray[0];
byte[] numArray2 = numArray[1];
byte[] numArray3 = numArray[2];
byte[] bytes = Encoding.UTF8.GetBytes(Compact.Serialize(new byte[][] { numArray1, numArray2 }));
string item = (string)JWT.jsMapper.Parse <Dictionary <string, object> >(Encoding.UTF8.GetString(numArray1))["alg"];
if (jwsAlg.HasValue && jwsAlg.Value != JWT.GetHashAlgorithm(item))
{
throw new InvalidAlgorithmException("The algorithm type passed to the Decode method did not match the algorithm type in the header.");
}
if (!JWT.HashAlgorithms[JWT.GetHashAlgorithm(item)].Verify(numArray3, bytes, key))
{
throw new IntegrityException("Invalid signature.");
}
return(numArray2);
}
private static string Decrypt(byte[][] parts, object key, JweAlgorithm?jweAlg, JweEncryption?jweEnc)
{
byte[] numArray = JWT.DecryptBytes(parts, key, jweAlg, jweEnc);
return(Encoding.UTF8.GetString(numArray));
}
