View source for $hmac

Returns HMAC hash value for the specified data using the given key, where hash can be md5, sha1 (default), sha256, sha384 or sha512 and N = 0 for plain text (default), 1 for &binvar, 2 for filename.
 $hmac(text|&binvar|filename,key,hash,[N])

== Example ==

 $hmac(text string, hmackey, sha256)
Returns the HMAC-SHA-256 hash value of ''text string'' with key ''hmackey'' (19df3338494ee69e5a1648f9456677355878af1ffed0f74a6fc0effee8551089)

 //bset -t &bvar 1 text string | echo -ag $hmac(&bvar,hmackey,sha256,1)
Echoes the same as the last value, this time using a binary variable.

 $hmac(mirc.ini,hmackey,sha1,2)
Returns the HMAC-SHA-1 hash value of the file ''mirc.ini''.

== See Also ==

* [[$md5]]
* [[$sha1]]
* [https://en.wikipedia.org/wiki/Hash-based_message_authentication_code HMAC on wikipedia]