HCoop / bpt / emacs.git / blame
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|---|---|---|
| 0cd1fac2 GM |
1 | ;;; hmac-md5.el --- Compute HMAC-MD5. |
| 2 | ||
| 114f9c96 | 3 | ;; Copyright (C) 1999, 2001, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
| 0cd1fac2 GM |
4 | |
| 5 | ;; Author: Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp> | |
| 88f4758e | 6 | ;; Keywords: HMAC, RFC2104, HMAC-MD5, MD5, KEYED-MD5, CRAM-MD5 |
| 0cd1fac2 GM |
7 | |
| 8 | ;; This file is part of GNU Emacs. | |
| 9 | ||
| 874a927a | 10 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
| 0cd1fac2 | 11 | ;; it under the terms of the GNU General Public License as published by |
| 874a927a GM |
12 | ;; the Free Software Foundation, either version 3 of the License, or |
| 13 | ;; (at your option) any later version. | |
| 0cd1fac2 GM |
14 | |
| 15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | ;; GNU General Public License for more details. | |
| 19 | ||
| 20 | ;; You should have received a copy of the GNU General Public License | |
| 874a927a | 21 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
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22 | |
| 23 | ;;; Commentary: | |
| 24 | ||
| 25 | ;; Test cases from RFC 2202, "Test Cases for HMAC-MD5 and HMAC-SHA-1". | |
| 26 | ;; | |
| 27 | ;; (encode-hex-string (hmac-md5 "Hi There" (make-string 16 ?\x0b))) | |
| 28 | ;; => "9294727a3638bb1c13f48ef8158bfc9d" | |
| 29 | ;; | |
| 30 | ;; (encode-hex-string (hmac-md5 "what do ya want for nothing?" "Jefe")) | |
| 31 | ;; => "750c783e6ab0b503eaa86e310a5db738" | |
| 32 | ;; | |
| 33 | ;; (encode-hex-string (hmac-md5 (make-string 50 ?\xdd) (make-string 16 ?\xaa))) | |
| 34 | ;; => "56be34521d144c88dbb8c733f0e8b3f6" | |
| 35 | ;; | |
| 36 | ;; (encode-hex-string | |
| 37 | ;; (hmac-md5 | |
| 38 | ;; (make-string 50 ?\xcd) | |
| 39 | ;; (decode-hex-string "0102030405060708090a0b0c0d0e0f10111213141516171819"))) | |
| 40 | ;; => "697eaf0aca3a3aea3a75164746ffaa79" | |
| 41 | ;; | |
| 42 | ;; (encode-hex-string | |
| 43 | ;; (hmac-md5 "Test With Truncation" (make-string 16 ?\x0c))) | |
| 44 | ;; => "56461ef2342edc00f9bab995690efd4c" | |
| 45 | ;; | |
| 46 | ;; (encode-hex-string | |
| 47 | ;; (hmac-md5-96 "Test With Truncation" (make-string 16 ?\x0c))) | |
| 48 | ;; => "56461ef2342edc00f9bab995" | |
| 49 | ;; | |
| 50 | ;; (encode-hex-string | |
| 51 | ;; (hmac-md5 | |
| 52 | ;; "Test Using Larger Than Block-Size Key - Hash Key First" | |
| 53 | ;; (make-string 80 ?\xaa))) | |
| 54 | ;; => "6b1ab7fe4bd7bf8f0b62e6ce61b9d0cd" | |
| 55 | ;; | |
| 56 | ;; (encode-hex-string | |
| 57 | ;; (hmac-md5 | |
| 58 | ;; "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data" | |
| 59 | ;; (make-string 80 ?\xaa))) | |
| 60 | ;; => "6f630fad67cda0ee1fb1f562db3aa53e" | |
| 61 | ||
| 62 | ;;; Code: | |
| 63 | ||
| 64 | (eval-when-compile (require 'hmac-def)) | |
| 65 | (require 'hex-util) ; (decode-hex-string STRING) | |
| 66 | (require 'md5) ; expects (md5 STRING) | |
| 67 | ||
| 68 | (defun md5-binary (string) | |
| 69 | "Return the MD5 of STRING in binary form." | |
| 70 | (if (condition-case nil | |
| 71 | ;; `md5' of v21 takes 4th arg CODING (and 5th arg NOERROR). | |
| 72 | (md5 "" nil nil 'binary) ; => "d41d8cd98f00b204e9800998ecf8427e" | |
| 73 | (wrong-number-of-arguments nil)) | |
| 74 | (decode-hex-string (md5 string nil nil 'binary)) | |
| 75 | (decode-hex-string (md5 string)))) | |
| 76 | ||
| 77 | (define-hmac-function hmac-md5 md5-binary 64 16) ; => (hmac-md5 TEXT KEY) | |
| 78 | (define-hmac-function hmac-md5-96 md5-binary 64 16 96) | |
| 79 | ||
| 80 | (provide 'hmac-md5) | |
| 81 | ||
| cbee283d | 82 | ;; arch-tag: 0ab3f4f6-3d4b-4167-a9fa-635b7fed7f27 |
| 0cd1fac2 | 83 | ;;; hmac-md5.el ends here |