md5: add a new implementation under permissive license
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
This commit is contained in:
Felix Fietkau
parent
6f2c688d68
commit
bae6bd19f3
2 changed files with 323 additions and 250 deletions
499
md5.c
499
md5.c
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@ -1,284 +1,335 @@
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/*
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* md5.c - Compute MD5 checksum of strings according to the
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* definition of MD5 in RFC 1321 from April 1992.
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* Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
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*
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* Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* Copyright (C) 1995-1999 Free Software Foundation, Inc.
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* Copyright (C) 2001 Manuel Novoa III
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* Copyright (C) 2003 Glenn L. McGrath
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* Copyright (C) 2003 Erik Andersen
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
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* MD5 Message-Digest Algorithm (RFC 1321).
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*
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* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
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* Homepage:
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* http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5
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*
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* Author:
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* Alexander Peslyak, better known as Solar Designer <solar at openwall.com>
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*
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* This software was written by Alexander Peslyak in 2001. No copyright is
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* claimed, and the software is hereby placed in the public domain.
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* In case this attempt to disclaim copyright and place the software in the
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* public domain is deemed null and void, then the software is
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* Copyright (c) 2001 Alexander Peslyak and it is hereby released to the
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* general public under the following terms:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted.
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*
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* There's ABSOLUTELY NO WARRANTY, express or implied.
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*
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* (This is a heavily cut-down "BSD license".)
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*
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* This differs from Colin Plumb's older public domain implementation in that
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* no exactly 32-bit integer data type is required (any 32-bit or wider
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* unsigned integer data type will do), there's no compile-time endianness
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* configuration, and the function prototypes match OpenSSL's. No code from
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* Colin Plumb's implementation has been reused; this comment merely compares
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* the properties of the two independent implementations.
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*
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* The primary goals of this implementation are portability and ease of use.
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* It is meant to be fast, but not as fast as possible. Some known
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* optimizations are not included to reduce source code size and avoid
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* compile-time configuration.
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*/
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#include "blob.h" /* TODO: better include for bswap_32 compat */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#include "md5.h"
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/*
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* The basic MD5 functions.
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*
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* F and G are optimized compared to their RFC 1321 definitions for
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* architectures that lack an AND-NOT instruction, just like in Colin Plumb's
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* implementation.
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*/
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#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
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#define G(x, y, z) ((y) ^ ((z) & ((x) ^ (y))))
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#define H(x, y, z) (((x) ^ (y)) ^ (z))
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#define H2(x, y, z) ((x) ^ ((y) ^ (z)))
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#define I(x, y, z) ((y) ^ ((x) | ~(z)))
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/*
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* The MD5 transformation for all four rounds.
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*/
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#define STEP(f, a, b, c, d, x, t, s) \
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(a) += f((b), (c), (d)) + (x) + (t); \
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(a) = (((a) << (s)) | (((a) & 0xffffffff) >> (32 - (s)))); \
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(a) += (b);
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/*
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* SET reads 4 input bytes in little-endian byte order and stores them
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* in a properly aligned word in host byte order.
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*/
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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#define SWAP_LE32(x) (x)
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#define SET(n) \
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(*(uint32_t *)&ptr[(n) * 4])
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#define GET(n) \
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SET(n)
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#else
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#define SWAP_LE32(x) bswap_32(x)
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#define SET(n) \
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(block[(n)] = \
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(uint32_t)ptr[(n) * 4] | \
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((uint32_t)ptr[(n) * 4 + 1] << 8) | \
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((uint32_t)ptr[(n) * 4 + 2] << 16) | \
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((uint32_t)ptr[(n) * 4 + 3] << 24))
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#define GET(n) \
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(block[(n)])
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#endif
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/* Initialize structure containing state of computation.
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* (RFC 1321, 3.3: Step 3)
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/*
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* This processes one or more 64-byte data blocks, but does NOT update
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* the bit counters. There are no alignment requirements.
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*/
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static const void *body(md5_ctx_t *ctx, const void *data, unsigned long size)
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{
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const unsigned char *ptr;
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uint32_t a, b, c, d;
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uint32_t saved_a, saved_b, saved_c, saved_d;
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#if __BYTE_ORDER != __LITTLE_ENDIAN
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uint32_t block[16];
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#endif
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ptr = (const unsigned char *)data;
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a = ctx->a;
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b = ctx->b;
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c = ctx->c;
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d = ctx->d;
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do {
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saved_a = a;
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saved_b = b;
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saved_c = c;
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saved_d = d;
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/* Round 1 */
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STEP(F, a, b, c, d, SET(0), 0xd76aa478, 7)
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STEP(F, d, a, b, c, SET(1), 0xe8c7b756, 12)
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STEP(F, c, d, a, b, SET(2), 0x242070db, 17)
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STEP(F, b, c, d, a, SET(3), 0xc1bdceee, 22)
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STEP(F, a, b, c, d, SET(4), 0xf57c0faf, 7)
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STEP(F, d, a, b, c, SET(5), 0x4787c62a, 12)
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STEP(F, c, d, a, b, SET(6), 0xa8304613, 17)
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STEP(F, b, c, d, a, SET(7), 0xfd469501, 22)
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STEP(F, a, b, c, d, SET(8), 0x698098d8, 7)
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STEP(F, d, a, b, c, SET(9), 0x8b44f7af, 12)
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STEP(F, c, d, a, b, SET(10), 0xffff5bb1, 17)
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STEP(F, b, c, d, a, SET(11), 0x895cd7be, 22)
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STEP(F, a, b, c, d, SET(12), 0x6b901122, 7)
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STEP(F, d, a, b, c, SET(13), 0xfd987193, 12)
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STEP(F, c, d, a, b, SET(14), 0xa679438e, 17)
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STEP(F, b, c, d, a, SET(15), 0x49b40821, 22)
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/* Round 2 */
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STEP(G, a, b, c, d, GET(1), 0xf61e2562, 5)
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STEP(G, d, a, b, c, GET(6), 0xc040b340, 9)
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STEP(G, c, d, a, b, GET(11), 0x265e5a51, 14)
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STEP(G, b, c, d, a, GET(0), 0xe9b6c7aa, 20)
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STEP(G, a, b, c, d, GET(5), 0xd62f105d, 5)
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STEP(G, d, a, b, c, GET(10), 0x02441453, 9)
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STEP(G, c, d, a, b, GET(15), 0xd8a1e681, 14)
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STEP(G, b, c, d, a, GET(4), 0xe7d3fbc8, 20)
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STEP(G, a, b, c, d, GET(9), 0x21e1cde6, 5)
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STEP(G, d, a, b, c, GET(14), 0xc33707d6, 9)
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STEP(G, c, d, a, b, GET(3), 0xf4d50d87, 14)
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STEP(G, b, c, d, a, GET(8), 0x455a14ed, 20)
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STEP(G, a, b, c, d, GET(13), 0xa9e3e905, 5)
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STEP(G, d, a, b, c, GET(2), 0xfcefa3f8, 9)
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STEP(G, c, d, a, b, GET(7), 0x676f02d9, 14)
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STEP(G, b, c, d, a, GET(12), 0x8d2a4c8a, 20)
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/* Round 3 */
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STEP(H, a, b, c, d, GET(5), 0xfffa3942, 4)
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STEP(H2, d, a, b, c, GET(8), 0x8771f681, 11)
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STEP(H, c, d, a, b, GET(11), 0x6d9d6122, 16)
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STEP(H2, b, c, d, a, GET(14), 0xfde5380c, 23)
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STEP(H, a, b, c, d, GET(1), 0xa4beea44, 4)
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STEP(H2, d, a, b, c, GET(4), 0x4bdecfa9, 11)
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STEP(H, c, d, a, b, GET(7), 0xf6bb4b60, 16)
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STEP(H2, b, c, d, a, GET(10), 0xbebfbc70, 23)
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STEP(H, a, b, c, d, GET(13), 0x289b7ec6, 4)
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STEP(H2, d, a, b, c, GET(0), 0xeaa127fa, 11)
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STEP(H, c, d, a, b, GET(3), 0xd4ef3085, 16)
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STEP(H2, b, c, d, a, GET(6), 0x04881d05, 23)
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STEP(H, a, b, c, d, GET(9), 0xd9d4d039, 4)
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STEP(H2, d, a, b, c, GET(12), 0xe6db99e5, 11)
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STEP(H, c, d, a, b, GET(15), 0x1fa27cf8, 16)
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STEP(H2, b, c, d, a, GET(2), 0xc4ac5665, 23)
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/* Round 4 */
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STEP(I, a, b, c, d, GET(0), 0xf4292244, 6)
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STEP(I, d, a, b, c, GET(7), 0x432aff97, 10)
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STEP(I, c, d, a, b, GET(14), 0xab9423a7, 15)
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STEP(I, b, c, d, a, GET(5), 0xfc93a039, 21)
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STEP(I, a, b, c, d, GET(12), 0x655b59c3, 6)
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STEP(I, d, a, b, c, GET(3), 0x8f0ccc92, 10)
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STEP(I, c, d, a, b, GET(10), 0xffeff47d, 15)
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STEP(I, b, c, d, a, GET(1), 0x85845dd1, 21)
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STEP(I, a, b, c, d, GET(8), 0x6fa87e4f, 6)
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STEP(I, d, a, b, c, GET(15), 0xfe2ce6e0, 10)
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STEP(I, c, d, a, b, GET(6), 0xa3014314, 15)
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STEP(I, b, c, d, a, GET(13), 0x4e0811a1, 21)
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STEP(I, a, b, c, d, GET(4), 0xf7537e82, 6)
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STEP(I, d, a, b, c, GET(11), 0xbd3af235, 10)
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STEP(I, c, d, a, b, GET(2), 0x2ad7d2bb, 15)
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STEP(I, b, c, d, a, GET(9), 0xeb86d391, 21)
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a += saved_a;
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b += saved_b;
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c += saved_c;
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d += saved_d;
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ptr += 64;
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} while (size -= 64);
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ctx->a = a;
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ctx->b = b;
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ctx->c = c;
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ctx->d = d;
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return ptr;
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}
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void md5_begin(md5_ctx_t *ctx)
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{
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ctx->A = 0x67452301;
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ctx->B = 0xefcdab89;
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ctx->C = 0x98badcfe;
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ctx->D = 0x10325476;
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ctx->a = 0x67452301;
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ctx->b = 0xefcdab89;
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ctx->c = 0x98badcfe;
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ctx->d = 0x10325476;
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ctx->total = 0;
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ctx->buflen = 0;
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ctx->lo = 0;
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ctx->hi = 0;
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}
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/* These are the four functions used in the four steps of the MD5 algorithm
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* and defined in the RFC 1321. The first function is a little bit optimized
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* (as found in Colin Plumbs public domain implementation).
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* #define FF(b, c, d) ((b & c) | (~b & d))
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*/
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# define FF(b, c, d) (d ^ (b & (c ^ d)))
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# define FG(b, c, d) FF (d, b, c)
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# define FH(b, c, d) (b ^ c ^ d)
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# define FI(b, c, d) (c ^ (b | ~d))
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/* Hash a single block, 64 bytes long and 4-byte aligned. */
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static void md5_hash_block(const void *buffer, md5_ctx_t *ctx)
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void md5_hash(const void *data, size_t size, md5_ctx_t *ctx)
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{
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uint32_t correct_words[16];
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const uint32_t *words = buffer;
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uint32_t saved_lo;
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unsigned long used, available;
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static const uint32_t C_array[] = {
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/* round 1 */
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0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
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0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
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0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
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0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
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/* round 2 */
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0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
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0xd62f105d, 0x2441453, 0xd8a1e681, 0xe7d3fbc8,
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0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
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0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
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/* round 3 */
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0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
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0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
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0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x4881d05,
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0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
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/* round 4 */
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0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
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0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
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0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
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0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391
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};
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saved_lo = ctx->lo;
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if ((ctx->lo = (saved_lo + size) & 0x1fffffff) < saved_lo)
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ctx->hi++;
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ctx->hi += size >> 29;
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static const char P_array[] = {
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, /* 1 */
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1, 6, 11, 0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, /* 2 */
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5, 8, 11, 14, 1, 4, 7, 10, 13, 0, 3, 6, 9, 12, 15, 2, /* 3 */
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0, 7, 14, 5, 12, 3, 10, 1, 8, 15, 6, 13, 4, 11, 2, 9 /* 4 */
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};
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used = saved_lo & 0x3f;
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static const char S_array[] = {
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7, 12, 17, 22,
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5, 9, 14, 20,
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4, 11, 16, 23,
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6, 10, 15, 21
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};
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if (used) {
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available = 64 - used;
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uint32_t A = ctx->A;
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uint32_t B = ctx->B;
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uint32_t C = ctx->C;
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uint32_t D = ctx->D;
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uint32_t *cwp = correct_words;
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# define CYCLIC(w, s) (w = (w << s) | (w >> (32 - s)))
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const uint32_t *pc;
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const char *pp;
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const char *ps;
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int i;
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uint32_t temp;
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for (i = 0; i < 16; i++) {
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cwp[i] = SWAP_LE32(words[i]);
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if (size < available) {
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memcpy(&ctx->buffer[used], data, size);
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return;
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}
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pc = C_array;
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pp = P_array;
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ps = S_array;
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for (i = 0; i < 16; i++) {
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temp = A + FF(B, C, D) + cwp[(int) (*pp++)] + *pc++;
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CYCLIC(temp, ps[i & 3]);
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temp += B;
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A = D;
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D = C;
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C = B;
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B = temp;
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memcpy(&ctx->buffer[used], data, available);
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data = (const unsigned char *)data + available;
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size -= available;
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body(ctx, ctx->buffer, 64);
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}
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ps += 4;
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for (i = 0; i < 16; i++) {
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temp = A + FG(B, C, D) + cwp[(int) (*pp++)] + *pc++;
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CYCLIC(temp, ps[i & 3]);
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temp += B;
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A = D;
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D = C;
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C = B;
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B = temp;
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}
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ps += 4;
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for (i = 0; i < 16; i++) {
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temp = A + FH(B, C, D) + cwp[(int) (*pp++)] + *pc++;
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CYCLIC(temp, ps[i & 3]);
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temp += B;
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A = D;
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D = C;
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C = B;
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B = temp;
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}
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ps += 4;
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for (i = 0; i < 16; i++) {
|
||||
temp = A + FI(B, C, D) + cwp[(int) (*pp++)] + *pc++;
|
||||
CYCLIC(temp, ps[i & 3]);
|
||||
temp += B;
|
||||
A = D;
|
||||
D = C;
|
||||
C = B;
|
||||
B = temp;
|
||||
if (size >= 64) {
|
||||
data = body(ctx, data, size & ~((size_t) 0x3f));
|
||||
size &= 0x3f;
|
||||
}
|
||||
|
||||
|
||||
ctx->A += A;
|
||||
ctx->B += B;
|
||||
ctx->C += C;
|
||||
ctx->D += D;
|
||||
memcpy(ctx->buffer, data, size);
|
||||
}
|
||||
|
||||
/* Feed data through a temporary buffer to call md5_hash_aligned_block()
|
||||
* with chunks of data that are 4-byte aligned and a multiple of 64 bytes.
|
||||
* This function's internal buffer remembers previous data until it has 64
|
||||
* bytes worth to pass on. Call md5_end() to flush this buffer. */
|
||||
|
||||
void md5_hash(const void *buffer, size_t len, md5_ctx_t *ctx)
|
||||
{
|
||||
char *buf = (char *)buffer;
|
||||
|
||||
/* RFC 1321 specifies the possible length of the file up to 2^64 bits,
|
||||
* Here we only track the number of bytes. */
|
||||
|
||||
ctx->total += len;
|
||||
|
||||
// Process all input.
|
||||
|
||||
while (len) {
|
||||
unsigned i = 64 - ctx->buflen;
|
||||
|
||||
// Copy data into aligned buffer.
|
||||
|
||||
if (i > len)
|
||||
i = len;
|
||||
memcpy(ctx->buffer + ctx->buflen, buf, i);
|
||||
len -= i;
|
||||
ctx->buflen += i;
|
||||
buf += i;
|
||||
|
||||
// When buffer fills up, process it.
|
||||
|
||||
if (ctx->buflen == 64) {
|
||||
md5_hash_block(ctx->buffer, ctx);
|
||||
ctx->buflen = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Process the remaining bytes in the buffer and put result from CTX
|
||||
* in first 16 bytes following RESBUF. The result is always in little
|
||||
* endian byte order, so that a byte-wise output yields to the wanted
|
||||
* ASCII representation of the message digest.
|
||||
*
|
||||
* IMPORTANT: On some systems it is required that RESBUF is correctly
|
||||
* aligned for a 32 bits value.
|
||||
*/
|
||||
void md5_end(void *resbuf, md5_ctx_t *ctx)
|
||||
{
|
||||
char *buf = ctx->buffer;
|
||||
int i;
|
||||
unsigned char *result = resbuf;
|
||||
unsigned long used, available;
|
||||
|
||||
/* Pad data to block size. */
|
||||
used = ctx->lo & 0x3f;
|
||||
|
||||
buf[ctx->buflen++] = 0x80;
|
||||
memset(buf + ctx->buflen, 0, 128 - ctx->buflen);
|
||||
ctx->buffer[used++] = 0x80;
|
||||
|
||||
/* Put the 64-bit file length in *bits* at the end of the buffer. */
|
||||
ctx->total <<= 3;
|
||||
if (ctx->buflen > 56)
|
||||
buf += 64;
|
||||
available = 64 - used;
|
||||
|
||||
for (i = 0; i < 8; i++)
|
||||
buf[56 + i] = ctx->total >> (i*8);
|
||||
if (available < 8) {
|
||||
memset(&ctx->buffer[used], 0, available);
|
||||
body(ctx, ctx->buffer, 64);
|
||||
used = 0;
|
||||
available = 64;
|
||||
}
|
||||
|
||||
/* Process last bytes. */
|
||||
if (buf != ctx->buffer)
|
||||
md5_hash_block(ctx->buffer, ctx);
|
||||
md5_hash_block(buf, ctx);
|
||||
memset(&ctx->buffer[used], 0, available - 8);
|
||||
|
||||
/* Put result from CTX in first 16 bytes following RESBUF. The result is
|
||||
* always in little endian byte order, so that a byte-wise output yields
|
||||
* to the wanted ASCII representation of the message digest.
|
||||
*
|
||||
* IMPORTANT: On some systems it is required that RESBUF is correctly
|
||||
* aligned for a 32 bits value.
|
||||
*/
|
||||
((uint32_t *) resbuf)[0] = SWAP_LE32(ctx->A);
|
||||
((uint32_t *) resbuf)[1] = SWAP_LE32(ctx->B);
|
||||
((uint32_t *) resbuf)[2] = SWAP_LE32(ctx->C);
|
||||
((uint32_t *) resbuf)[3] = SWAP_LE32(ctx->D);
|
||||
ctx->lo <<= 3;
|
||||
ctx->buffer[56] = ctx->lo;
|
||||
ctx->buffer[57] = ctx->lo >> 8;
|
||||
ctx->buffer[58] = ctx->lo >> 16;
|
||||
ctx->buffer[59] = ctx->lo >> 24;
|
||||
ctx->buffer[60] = ctx->hi;
|
||||
ctx->buffer[61] = ctx->hi >> 8;
|
||||
ctx->buffer[62] = ctx->hi >> 16;
|
||||
ctx->buffer[63] = ctx->hi >> 24;
|
||||
|
||||
body(ctx, ctx->buffer, 64);
|
||||
|
||||
result[0] = ctx->a;
|
||||
result[1] = ctx->a >> 8;
|
||||
result[2] = ctx->a >> 16;
|
||||
result[3] = ctx->a >> 24;
|
||||
result[4] = ctx->b;
|
||||
result[5] = ctx->b >> 8;
|
||||
result[6] = ctx->b >> 16;
|
||||
result[7] = ctx->b >> 24;
|
||||
result[8] = ctx->c;
|
||||
result[9] = ctx->c >> 8;
|
||||
result[10] = ctx->c >> 16;
|
||||
result[11] = ctx->c >> 24;
|
||||
result[12] = ctx->d;
|
||||
result[13] = ctx->d >> 8;
|
||||
result[14] = ctx->d >> 16;
|
||||
result[15] = ctx->d >> 24;
|
||||
|
||||
memset(ctx, 0, sizeof(*ctx));
|
||||
}
|
||||
|
||||
int md5sum(char *file, uint32_t *md5)
|
||||
int md5sum(char *file, void *md5_buf)
|
||||
{
|
||||
char buf[256];
|
||||
md5_ctx_t ctx;
|
||||
int len, fd;
|
||||
int ret = 0;
|
||||
FILE *f;
|
||||
|
||||
memset(md5, 0, sizeof(*md5) * 4);
|
||||
|
||||
fd = open(file, O_RDONLY);
|
||||
if (fd < 0)
|
||||
f = fopen(file, "r");
|
||||
if (!f)
|
||||
return -1;
|
||||
|
||||
md5_begin(&ctx);
|
||||
do {
|
||||
len = read(fd, buf, sizeof(buf));
|
||||
if (len < 0) {
|
||||
if (errno == EINTR)
|
||||
continue;
|
||||
|
||||
ret = -1;
|
||||
goto out;
|
||||
}
|
||||
int len = fread(buf, 1, sizeof(buf), f);
|
||||
if (!len)
|
||||
break;
|
||||
|
||||
md5_hash(buf, len, &ctx);
|
||||
ret += len;
|
||||
} while(1);
|
||||
|
||||
md5_end(md5, &ctx);
|
||||
out:
|
||||
close(fd);
|
||||
md5_end(md5_buf, &ctx);
|
||||
fclose(f);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
|
|
|||
66
md5.h
66
md5.h
|
|
@ -1,36 +1,58 @@
|
|||
/*
|
||||
* Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
|
||||
* Copyright (C) 2013 John Crispin <blogic@openwrt.org>
|
||||
* Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License version 2.1
|
||||
* as published by the Free Software Foundation
|
||||
* Permission to use, copy, modify, and/or distribute this software for any
|
||||
* purpose with or without fee is hereby granted, provided that the above
|
||||
* copyright notice and this permission notice appear in all copies.
|
||||
*
|
||||
* This program 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.
|
||||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
/*
|
||||
* This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
|
||||
* MD5 Message-Digest Algorithm (RFC 1321).
|
||||
*
|
||||
* Homepage:
|
||||
* http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5
|
||||
*
|
||||
* Author:
|
||||
* Alexander Peslyak, better known as Solar Designer <solar at openwall.com>
|
||||
*
|
||||
* This software was written by Alexander Peslyak in 2001. No copyright is
|
||||
* claimed, and the software is hereby placed in the public domain.
|
||||
* In case this attempt to disclaim copyright and place the software in the
|
||||
* public domain is deemed null and void, then the software is
|
||||
* Copyright (c) 2001 Alexander Peslyak and it is hereby released to the
|
||||
* general public under the following terms:
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted.
|
||||
*
|
||||
* There's ABSOLUTELY NO WARRANTY, express or implied.
|
||||
*
|
||||
* See md5.c for more information.
|
||||
*/
|
||||
|
||||
#ifndef __PROCD_MD5_H
|
||||
#define __PROCD_MD5_H
|
||||
#ifndef _LIBUBOX_MD5_H
|
||||
#define _LIBUBOX_MD5_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stddef.h>
|
||||
|
||||
typedef struct md5_ctx {
|
||||
uint32_t A;
|
||||
uint32_t B;
|
||||
uint32_t C;
|
||||
uint32_t D;
|
||||
uint64_t total;
|
||||
uint32_t buflen;
|
||||
char buffer[128];
|
||||
uint32_t lo, hi;
|
||||
uint32_t a, b, c, d;
|
||||
unsigned char buffer[64];
|
||||
} md5_ctx_t;
|
||||
|
||||
void md5_begin(md5_ctx_t *ctx);
|
||||
void md5_hash(const void *data, size_t length, md5_ctx_t *ctx);
|
||||
void md5_end(void *resbuf, md5_ctx_t *ctx);
|
||||
int md5sum(char *file, uint32_t *md5);
|
||||
extern void md5_begin(md5_ctx_t *ctx);
|
||||
extern void md5_hash(const void *data, size_t length, md5_ctx_t *ctx);
|
||||
extern void md5_end(void *resbuf, md5_ctx_t *ctx);
|
||||
int md5sum(char *file, void *md5_buf);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in a new issue