Crypto library

Hi everyone,
i’m need HMAC-SHA1 for doing some encryption, but so far i’m able to found SHA1 in meychi crypto library, but until now i’m still not able to found HMAC encryption method so far.

i’m trying to refer to hurlant crypto library, but it’s quite confuse as it’s using ByteArray which only available on AS3.

can anyone help?

Thank a lot…