removed dependency on srfi-4-utils as it was gpl and not compatible with bsd

master 6
t@thintz.com 13 years ago
parent ce8e7b6d79
commit 3b221a88ce

@ -7,7 +7,7 @@
(category crypt)
(needs message-digest srfi-4-utils)
(needs message-digest)
(test-depends test sha1 string-utils)

@ -5,4 +5,5 @@
(release "2")
(release "3")
(release "4")
(release "5")
(release "5")
(release "6")

@ -6,16 +6,15 @@
(hmac)
(import scheme chicken srfi-4 srfi-13)
(use srfi-4-utils message-digest-port)
(use message-digest-port)
; taken from example at http://wiki.call-cc.org/drupal-xml-rpc
(define (hmac key digest-primitive #!optional (block-size 64))
(when (> (string-length key) block-size)
(set! key (call-with-output-digest digest-primitive (cut display key <>) 'string)))
(set! key (string-pad-right key block-size (integer->char 0)))
(set! key (blob->u8vector (string->blob key)))
(let ((ipad (blob->string (u8vector->blob (u8vector-map (lambda (v) (bitwise-xor v #x36)) key))))
(opad (blob->string (u8vector->blob (u8vector-map (lambda (v) (bitwise-xor v #x5c)) key)))))
(let ((ipad (string-map (lambda (c) (integer->char (bitwise-xor (char->integer c) #x36))) key))
(opad (string-map (lambda (c) (integer->char (bitwise-xor (char->integer c) #x5c))) key)))
(lambda (message)
(call-with-output-digest digest-primitive (cut display (string-append opad (call-with-output-digest digest-primitive (cut display (string-append ipad message) <>) 'string)) <>) 'string))))

@ -11,5 +11,5 @@
; Files to install for your extension:
'("hmac.o" "hmac.so" "hmac.import.so")
; Assoc list with properties for your extension:
'((version 5)
'((version 6)
(static "hmac.o"))) ;; for static linking
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