144 lines
4.3 KiB
C++
144 lines
4.3 KiB
C++
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/*
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The test program (called md5main.c by them) that came with the md5
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package from http://sourceforge.net/project/showfiles.php?group_id=42360
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*/
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/*
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Copyright (C) 2002 Aladdin Enterprises. All rights reserved.
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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L. Peter Deutsch
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ghost@aladdin.com
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*/
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/*
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Independent implementation of MD5 (RFC 1321).
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This code implements the MD5 Algorithm defined in RFC 1321, whose
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text is available at
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http://www.ietf.org/rfc/rfc1321.txt
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The code is derived from the text of the RFC, including the test suite
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(section A.5) but excluding the rest of Appendix A. It does not include
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any code or documentation that is identified in the RFC as being
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copyrighted.
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The original and principal author of md5.c is L. Peter Deutsch
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<ghost@aladdin.com>. Other authors are noted in the change history
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that follows (in reverse chronological order):
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2002-04-13 lpd Splits off main program into a separate file, md5main.c.
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*/
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#include "md5.h"
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#include <math.h>
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#include <stdio.h>
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#include <string.h>
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/*
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* This file builds an executable that performs various functions related
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* to the MD5 library. Typical compilation:
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* gcc -o md5main -lm md5main.c md5.c
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*/
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static const char *const usage = "\
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Usage:\n\
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md5main --test # run the self-test (A.5 of RFC 1321)\n\
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md5main --t-values # print the T values for the library\n\
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md5main --version # print the version of the package\n\
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";
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static const char *const version = "2002-04-13";
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/* Run the self-test. */
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static int
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do_test(void)
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{
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static const char *const test[7*2] = {
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"", "d41d8cd98f00b204e9800998ecf8427e",
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"a", "0cc175b9c0f1b6a831c399e269772661",
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"abc", "900150983cd24fb0d6963f7d28e17f72",
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"message digest", "f96b697d7cb7938d525a2f31aaf161d0",
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"abcdefghijklmnopqrstuvwxyz", "c3fcd3d76192e4007dfb496cca67e13b",
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
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"d174ab98d277d9f5a5611c2c9f419d9f",
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"12345678901234567890123456789012345678901234567890123456789012345678901234567890", "57edf4a22be3c955ac49da2e2107b67a"
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};
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int i;
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int status = 0;
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for (i = 0; i < 7*2; i += 2) {
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md5_state_t state;
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md5_byte_t digest[16];
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char hex_output[16*2 + 1];
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int di;
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md5_init(&state);
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md5_append(&state, (const md5_byte_t *)test[i], strlen(test[i]));
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md5_finish(&state, digest);
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for (di = 0; di < 16; ++di)
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sprintf(hex_output + di * 2, "%02x", digest[di]);
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if (strcmp(hex_output, test[i + 1])) {
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printf("MD5 (\"%s\") = ", test[i]);
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puts(hex_output);
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printf("**** ERROR, should be: %s\n", test[i + 1]);
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status = 1;
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}
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}
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if (status == 0)
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puts("md5 self-test completed successfully.");
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return status;
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}
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/* Print the T values. */
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static int
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do_t_values(void)
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{
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int i;
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for (i = 1; i <= 64; ++i) {
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unsigned long v = (unsigned long)(4294967296.0 * fabs(sin((double)i)));
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/*
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* The following nonsense is only to avoid compiler warnings about
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* "integer constant is unsigned in ANSI C, signed with -traditional".
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*/
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if (v >> 31) {
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printf("#define T%d /* 0x%08lx */ (T_MASK ^ 0x%08lx)\n", i,
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v, (unsigned long)(unsigned int)(~v));
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} else {
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printf("#define T%d 0x%08lx\n", i, v);
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}
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}
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return 0;
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}
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/* Main program */
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int
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main(int argc, char *argv[])
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{
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if (argc == 2) {
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if (!strcmp(argv[1], "--test"))
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return do_test();
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if (!strcmp(argv[1], "--t-values"))
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return do_t_values();
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if (!strcmp(argv[1], "--version")) {
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puts(version);
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return 0;
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}
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}
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puts(usage);
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return 0;
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}
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