| public CalcNewNonceHash ( byte newNonce, int number ) : byte[] | ||
| newNonce | byte | |
| number | int | |
| return | byte[] | |
public Step3_Response FromBytes(byte[] response)
{
using (MemoryStream responseStream = new MemoryStream(response))
{
using (BinaryReader responseReader = new BinaryReader(responseStream))
{
uint code = responseReader.ReadUInt32();
if (code == 0x3bcbf734)
{ // dh_gen_ok
//logger.debug("dh_gen_ok");
byte[] nonceFromServer = responseReader.ReadBytes(16);
// TODO
/*
if (!nonceFromServer.SequenceEqual(nonce))
{
logger.error("invalid nonce");
return null;
}
*/
byte[] serverNonceFromServer = responseReader.ReadBytes(16);
// TODO:
/*
if (!serverNonceFromServer.SequenceEqual(serverNonce))
{
logger.error("invalid server nonce");
return null;
}
*/
byte[] newNonceHash1 = responseReader.ReadBytes(16);
//logger.debug("new nonce hash 1: {0}", BitConverter.ToString(newNonceHash1));
AuthKey authKey = new AuthKey(_gab);
byte[] newNonceHashCalculated = authKey.CalcNewNonceHash(newNonce, 1);
if (!newNonceHash1.SequenceEqual(newNonceHashCalculated))
{
throw new InvalidOperationException("invalid new nonce hash");
}
//logger.info("generated new auth key: {0}", gab);
//logger.info("saving time offset: {0}", timeOffset);
//TelegramSession.Instance.TimeOffset = timeOffset;
return new Step3_Response()
{
AuthKey = authKey,
TimeOffset = timeOffset
};
}
else if (code == 0x46dc1fb9)
{ // dh_gen_retry
throw new NotImplementedException("dh_gen_retry");
}
else if (code == 0xa69dae02)
{
// dh_gen_fail
throw new NotImplementedException("dh_gen_fail");
}
else
{
throw new InvalidOperationException($"dh_gen unknown: {code}");
}
}
}
}
