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/src/core/crypto.lisp

http://github.com/skypher/cl-oauth
Lisp | 15 lines | 11 code | 4 blank | 0 comment | 0 complexity | 55d7bb1740ad59ddcb49ad2049b32881 MD5 | raw file
 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