/src/core/crypto.lisp

 1
 2(in-package :oauth)
 3
 4(defun string-or-octets->octets (x)
 5  (etypecase x
 6    (string (babel:string-to-octets x))
 7    ((simple-array (unsigned-byte 8)) x)))
 8
 9(defun hmac-sha1 (s key)
10  (let* ((s (string-or-octets->octets s))
11         (key (string-or-octets->octets key))
12         (hmac (ironclad:make-hmac key 'ironclad:sha1)))
13    (ironclad:update-hmac hmac s)
14    (ironclad:hmac-digest hmac)))
15