This should do the trick. Went through something like this many months ago.
Had some great help from some of the guys in here with a JAVA approach.
Worked like a charm.
<cfset finalToHash = "WhateverINeedToHash">
<cfset key = "WhateverKey">
<cfset keyBytes = binarydecode(key, "base64")>
<cfset msgBytes = CharsetDecode(finalToHash, "utf-8")>
<cfscript>
// let Variables.keyBytes be the binary key
// let Variables.msgBytes be the binary message
// calculate an HMAC-SHA1 for the given key and message
Variables.key = CreateObject("java","
javax.crypto.spec.SecretKeySpec");
Variables.key.init(Variables.keyBytes,"HmacSHA1");
Variables.hmac = CreateObject("java","javax.crypto.Mac");
Variables.hmac = Variables.hmac.getInstance("HmacSHA1");
Variables.hmac.init(Variables.key);
Variables.hmac.update(Variables.msgBytes);
Variables.hmac = Variables.hmac.doFinal();
// Variables.hmac now contains the binary HMAC
</cfscript>
<cfset computedHMAC = binaryencode(hmac, "base64")>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
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