1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
;;; hmac-md5.el --- Compute HMAC-MD5.
;; Copyright (C) 1999, 2001, 2007, 2008 Free Software Foundation, Inc.
;; Author: Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp>
;; Keywords: HMAC, RFC 2104, HMAC-MD5, MD5, KEYED-MD5, CRAM-MD5
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; Test cases from RFC 2202, "Test Cases for HMAC-MD5 and HMAC-SHA-1".
;;
;; (encode-hex-string (hmac-md5 "Hi There" (make-string 16 ?\x0b)))
;; => "9294727a3638bb1c13f48ef8158bfc9d"
;;
;; (encode-hex-string (hmac-md5 "what do ya want for nothing?" "Jefe"))
;; => "750c783e6ab0b503eaa86e310a5db738"
;;
;; (encode-hex-string (hmac-md5 (make-string 50 ?\xdd) (make-string 16 ?\xaa)))
;; => "56be34521d144c88dbb8c733f0e8b3f6"
;;
;; (encode-hex-string
;; (hmac-md5
;; (make-string 50 ?\xcd)
;; (decode-hex-string "0102030405060708090a0b0c0d0e0f10111213141516171819")))
;; => "697eaf0aca3a3aea3a75164746ffaa79"
;;
;; (encode-hex-string
;; (hmac-md5 "Test With Truncation" (make-string 16 ?\x0c)))
;; => "56461ef2342edc00f9bab995690efd4c"
;;
;; (encode-hex-string
;; (hmac-md5-96 "Test With Truncation" (make-string 16 ?\x0c)))
;; => "56461ef2342edc00f9bab995"
;;
;; (encode-hex-string
;; (hmac-md5
;; "Test Using Larger Than Block-Size Key - Hash Key First"
;; (make-string 80 ?\xaa)))
;; => "6b1ab7fe4bd7bf8f0b62e6ce61b9d0cd"
;;
;; (encode-hex-string
;; (hmac-md5
;; "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data"
;; (make-string 80 ?\xaa)))
;; => "6f630fad67cda0ee1fb1f562db3aa53e"
;;; Code:
(eval-when-compile (require 'hmac-def))
(require 'hex-util) ; (decode-hex-string STRING)
(require 'md5) ; expects (md5 STRING)
(defun md5-binary (string)
"Return the MD5 of STRING in binary form."
(if (condition-case nil
;; `md5' of v21 takes 4th arg CODING (and 5th arg NOERROR).
(md5 "" nil nil 'binary) ; => "d41d8cd98f00b204e9800998ecf8427e"
(wrong-number-of-arguments nil))
(decode-hex-string (md5 string nil nil 'binary))
(decode-hex-string (md5 string))))
(define-hmac-function hmac-md5 md5-binary 64 16) ; => (hmac-md5 TEXT KEY)
(define-hmac-function hmac-md5-96 md5-binary 64 16 96)
(provide 'hmac-md5)
;; arch-tag: 0ab3f4f6-3d4b-4167-a9fa-635b7fed7f27
;;; hmac-md5.el ends here
|
