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