msg_key
. Note that MTProto 2.0 requires from 12 to 1024 bytes of padding, still subject to the condition that the resulting message length be divisible by 16 bytes.auth_key_id int64 | msg_key int128 | encrypted_data bytes |
salt int64 | session_id int64 | message_id int64 | seq_no int32 | message_data_length int32 | message_data bytes | padding12.1024 bytes |
auth_key_id = 0 int64 | message_id int64 | message_data_length int32 | message_data bytes |