87 lines
2.9 KiB
EmacsLisp
87 lines
2.9 KiB
EmacsLisp
;;; hmac-sha1.el --- Compute HMAC-SHA1.
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;; Copyright (C) 1999, 2001 Free Software Foundation, Inc.
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;; Author: Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp>
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;; Keywords: HMAC, RFC 2104, HMAC-SHA1, SHA1, Cancel-Lock
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;; This file is part of FLIM (Faithful Library about Internet Message).
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;; This program is free software; you can redistribute it and/or
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;; modify it under the terms of the GNU General Public License as
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;; published by the Free Software Foundation; either version 2, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program; see the file COPYING. If not, write to
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;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; Test cases from RFC 2202, "Test Cases for HMAC-MD5 and HMAC-SHA-1".
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;;
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;; (encode-hex-string (hmac-sha1 "Hi There" (make-string 20 ?\x0b)))
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;; => "b617318655057264e28bc0b6fb378c8ef146be00"
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;;
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;; (encode-hex-string (hmac-sha1 "what do ya want for nothing?" "Jefe"))
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;; => "effcdf6ae5eb2fa2d27416d5f184df9c259a7c79"
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;;
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;; (encode-hex-string (hmac-sha1 (make-string 50 ?\xdd) (make-string 20 ?\xaa)))
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;; => "125d7342b9ac11cd91a39af48aa17b4f63f175d3"
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;;
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;; (encode-hex-string
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;; (hmac-sha1
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;; (make-string 50 ?\xcd)
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;; (decode-hex-string "0102030405060708090a0b0c0d0e0f10111213141516171819")))
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;; => "4c9007f4026250c6bc8414f9bf50c86c2d7235da"
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;;
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;; (encode-hex-string
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;; (hmac-sha1 "Test With Truncation" (make-string 20 ?\x0c)))
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;; => "4c1a03424b55e07fe7f27be1d58bb9324a9a5a04"
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;;
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;; (encode-hex-string
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;; (hmac-sha1-96 "Test With Truncation" (make-string 20 ?\x0c)))
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;; => "4c1a03424b55e07fe7f27be1"
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;;
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;; (encode-hex-string
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;; (hmac-sha1
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;; "Test Using Larger Than Block-Size Key - Hash Key First"
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;; (make-string 80 ?\xaa)))
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;; => "aa4ae5e15272d00e95705637ce8a3b55ed402112"
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;;
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;; (encode-hex-string
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;; (hmac-sha1
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;; "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data"
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;; (make-string 80 ?\xaa)))
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;; => "e8e99d0f45237d786d6bbaa7965c7808bbff1a91"
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;;; Code:
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(eval-when-compile (require 'hmac-def))
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(require 'hex-util) ; (decode-hex-string STRING)
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(require 'sha1) ; expects (sha1 STRING)
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;; To share *.elc files between Emacs w/ and w/o DL patch,
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;; this check must be done at load-time.
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(cond
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((fboundp 'sha1-binary)
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;; do nothing.
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)
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(t
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(defun sha1-binary (string)
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"Return the SHA1 of STRING in binary form."
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(decode-hex-string (sha1 string)))))
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(define-hmac-function hmac-sha1 sha1-binary 64 20) ; => (hmac-sha1 TEXT KEY)
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(define-hmac-function hmac-sha1-96 sha1-binary 64 20 96)
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(provide 'hmac-sha1)
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;;; hmac-sha1.el ends here
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