Hello guys. Here is a small function to create a hash hmac  similar to hash_hmac PHP function.   Supported are: SHA512,SHA256,SHA1,SHA384,MD5 and RIPEMD160.   Local $sSecret = "SecretKey" Local $sMessage = "AutoIt Rocks!!!" ConsoleWrite("HMAC-SHA256: " & @TAB & @TAB & _HashHMAC("SHA512", $sMessage, $sSecret) & @CRLF) ConsoleWrite("HMAC-SHA256: " & @TAB & @TAB & _HashHMAC("SHA256", $sMessage, $sSecret) & @CRLF) Con