147 lines
3.6 KiB
C
147 lines
3.6 KiB
C
/*
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* Copyright (c) 2013 Todd C. Miller <Todd.Miller@courtesan.com>
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*
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* Permission to use, copy, modify, and 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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* 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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#include <config.h>
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#include <stdio.h>
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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# include <stddef.h>
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#else
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# ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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# endif
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#endif /* STDC_HEADERS */
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#ifdef HAVE_STRING_H
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# if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
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# include <memory.h>
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# endif
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# include <string.h>
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#endif /* HAVE_STRING_H */
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif /* HAVE_STRINGS_H */
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#if defined(HAVE_STDINT_H)
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# include <stdint.h>
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#elif defined(HAVE_INTTYPES_H)
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# include <inttypes.h>
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#endif
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#include "sudo_compat.h"
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#ifdef HAVE_SHA224UPDATE
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# include <sha2.h>
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#else
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# include "compat/sha2.h"
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#endif
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__dso_public int main(int argc, char *argv[]);
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static struct digest_function {
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const char *digest_name;
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const int digest_len;
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void (*init)(SHA2_CTX *);
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#ifdef SHA2_VOID_PTR
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void (*update)(SHA2_CTX *, const void *, size_t);
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void (*final)(void *, SHA2_CTX *);
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#else
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void (*update)(SHA2_CTX *, const unsigned char *, size_t);
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void (*final)(unsigned char *, SHA2_CTX *);
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#endif
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} digest_functions[] = {
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{
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"SHA224",
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SHA224_DIGEST_LENGTH,
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SHA224Init,
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SHA224Update,
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SHA224Final
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}, {
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"SHA256",
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SHA256_DIGEST_LENGTH,
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SHA256Init,
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SHA256Update,
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SHA256Final
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}, {
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"SHA384",
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SHA384_DIGEST_LENGTH,
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SHA384Init,
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SHA384Update,
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SHA384Final
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}, {
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"SHA512",
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SHA512_DIGEST_LENGTH,
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SHA512Init,
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SHA512Update,
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SHA512Final
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}, {
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NULL
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}
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};
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#define NUM_TESTS 8
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static const char *test_strings[NUM_TESTS] = {
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"",
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"a",
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"abc",
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"message digest",
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"abcdefghijklmnopqrstuvwxyz",
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"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
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"12345678901234567890123456789012345678901234567890123456789"
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"012345678901234567890",
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};
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int
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main(int argc, char *argv[])
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{
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SHA2_CTX ctx;
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int i, j;
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struct digest_function *func;
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unsigned char digest[SHA512_DIGEST_LENGTH];
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static const char hex[] = "0123456789abcdef";
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unsigned char buf[1000];
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for (func = digest_functions; func->digest_name != NULL; func++) {
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for (i = 0; i < NUM_TESTS; i++) {
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func->init(&ctx);
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func->update(&ctx, (unsigned char *)test_strings[i],
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strlen(test_strings[i]));
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func->final(digest, &ctx);
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printf("%s (\"%s\") = ", func->digest_name, test_strings[i]);
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for (j = 0; j < func->digest_len; j++) {
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putchar(hex[digest[j] >> 4]);
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putchar(hex[digest[j] & 0x0f]);
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}
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putchar('\n');
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}
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/* Simulate a string of a million 'a' characters. */
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memset(buf, 'a', sizeof(buf));
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func->init(&ctx);
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for (i = 0; i < 1000; i++) {
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func->update(&ctx, buf, sizeof(buf));
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}
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func->final(digest, &ctx);
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printf("%s (one million 'a' characters) = ", func->digest_name);
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for (j = 0; j < func->digest_len; j++) {
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putchar(hex[digest[j] >> 4]);
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putchar(hex[digest[j] & 0x0f]);
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}
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putchar('\n');
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}
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exit(0);
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}
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