app/code/community/Nexcessnet/Turpentine/Helper/Data.php
public function secureHash($data) {
        $salt = $this->_getCryptKey();
        return hash(self::HASH_ALGORITHM, sprintf('%s:%s', $salt, $data));
    }
public function secureHash($data) {
        $salt = $this->_getCryptKey();
        return hash(self::HASH_ALGORITHM, sprintf('%s:%s', $salt, $data));
    }
public function secureHash ( $ data ) { $ salt = $ this -> _getCryptKey ( ) ; return hash ( self :: HASH_ALGORITHM , sprintf ( '%s:%s' , $ salt , $ data ) ) ; }
Get SHA256 hash of a string, salted with encryption key

@param  string $data
@return string
Get SHA256 hash of a string salted with encryption key