ColdFusion: Function to create HMAC-SHA1 encrypted string

<cffunction name="hmacEncrypt" returntype="binary" access="public" output="false">

<cfargument name="signKey" type="string" required="true" /> <cfargument name="signMessage" type="string" required="true" />

<cfset var jMsg = JavaCast("string",arguments.signMessage).getBytes("ASCII") /> <cfset var jKey = JavaCast("string",arguments.signKey).getBytes("ASCII") />

<cfset var key = createObject("java","javax.crypto.spec.SecretKeySpec") /> <cfset var mac = createObject("java","javax.crypto.Mac") />

<cfset key = key.init(jKey,"HmacSHA1") />

<cfset mac = mac.getInstance(key.getAlgorithm()) /> <cfset mac.init(key) /> <cfset mac.update(jMsg) />

<cfreturn mac.doFinal() /> </cffunction>