openssl/test/hmactest.c
Emilia Kasper b1413d9bd9 RT3095: allow NULL key for single-shot HMAC
In HMAC_Init_ex, NULL key signals reuse, but in single-shot HMAC,
we can allow it to signal an empty key for convenience.

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
2016-02-04 13:01:32 +01:00

345 lines
12 KiB
C

/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "../e_os.h"
# include <openssl/hmac.h>
# include <openssl/sha.h>
# ifndef OPENSSL_NO_MD5
# include <openssl/md5.h>
# endif
# ifdef CHARSET_EBCDIC
# include <openssl/ebcdic.h>
# endif
# ifndef OPENSSL_NO_MD5
static struct test_st {
unsigned char key[16];
int key_len;
unsigned char data[64];
int data_len;
unsigned char *digest;
} test[8] = {
{
"", 0, "More text test vectors to stuff up EBCDIC machines :-)", 54,
(unsigned char *)"e9139d1e6ee064ef8cf514fc7dc83e86",
},
{
{
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
}, 16, "Hi There", 8,
(unsigned char *)"9294727a3638bb1c13f48ef8158bfc9d",
},
{
"Jefe", 4, "what do ya want for nothing?", 28,
(unsigned char *)"750c783e6ab0b503eaa86e310a5db738",
},
{
{
0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
}, 16, {
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd
}, 50, (unsigned char *)"56be34521d144c88dbb8c733f0e8b3f6",
},
{
"", 0, "My test data", 12,
(unsigned char *)"61afdecb95429ef494d61fdee15990cabf0826fc"
},
{
"", 0, "My test data", 12,
(unsigned char *)"2274b195d90ce8e03406f4b526a47e0787a88a65479938f1a5baa3ce0f079776"
},
{
"123456", 6, "My test data", 12,
(unsigned char *)"bab53058ae861a7f191abe2d0145cbb123776a6369ee3f9d79ce455667e411dd"
},
{
"12345", 5, "My test data again", 12,
(unsigned char *)"7dbe8c764c068e3bcd6e6b0fbcd5e6fc197b15bb"
}
};
# endif
static char *pt(unsigned char *md, unsigned int len);
int main(int argc, char *argv[])
{
# ifndef OPENSSL_NO_MD5
int i;
char *p;
# endif
int err = 0;
HMAC_CTX *ctx = NULL, *ctx2 = NULL;
unsigned char buf[EVP_MAX_MD_SIZE];
unsigned int len;
# ifdef OPENSSL_NO_MD5
printf("test skipped: MD5 disabled\n");
# else
# ifdef CHARSET_EBCDIC
ebcdic2ascii(test[0].data, test[0].data, test[0].data_len);
ebcdic2ascii(test[1].data, test[1].data, test[1].data_len);
ebcdic2ascii(test[2].key, test[2].key, test[2].key_len);
ebcdic2ascii(test[2].data, test[2].data, test[2].data_len);
# endif
for (i = 0; i < 4; i++) {
p = pt(HMAC(EVP_md5(),
test[i].key, test[i].key_len,
test[i].data, test[i].data_len, NULL, NULL),
MD5_DIGEST_LENGTH);
if (strcmp(p, (char *)test[i].digest) != 0) {
printf("Error calculating HMAC on %d entry'\n", i);
printf("got %s instead of %s\n", p, test[i].digest);
err++;
} else
printf("test %d ok\n", i);
}
# endif /* OPENSSL_NO_MD5 */
/* test4 */
ctx = HMAC_CTX_new();
if (ctx == NULL) {
printf("HMAC malloc failure (test 4)\n");
err++;
goto end;
}
if (HMAC_Init_ex(ctx, NULL, 0, NULL, NULL)) {
printf("Should fail to initialise HMAC with empty MD and key (test 4)\n");
err++;
goto test5;
}
if (HMAC_Update(ctx, test[4].data, test[4].data_len)) {
printf("Should fail HMAC_Update with ctx not set up (test 4)\n");
err++;
goto test5;
}
if (HMAC_Init_ex(ctx, NULL, 0, EVP_sha1(), NULL)) {
printf("Should fail to initialise HMAC with empty key (test 4)\n");
err++;
goto test5;
}
if (HMAC_Update(ctx, test[4].data, test[4].data_len)) {
printf("Should fail HMAC_Update with ctx not set up (test 4)\n");
err++;
goto test5;
}
printf("test 4 ok\n");
test5:
/* Test 5 has empty key; test that single-shot accepts a NULL key. */
p = pt(HMAC(EVP_sha1(), NULL, 0, test[4].data, test[4].data_len,
NULL, NULL), SHA_DIGEST_LENGTH);
if (strcmp(p, (char *)test[4].digest) != 0) {
printf("Error calculating HMAC on %d entry'\n", i);
printf("got %s instead of %s\n", p, test[4].digest);
err++;
}
HMAC_CTX_reset(ctx);
if (HMAC_Init_ex(ctx, test[4].key, test[4].key_len, NULL, NULL)) {
printf("Should fail to initialise HMAC with empty MD (test 5)\n");
err++;
goto test6;
}
if (HMAC_Update(ctx, test[4].data, test[4].data_len)) {
printf("Should fail HMAC_Update with ctx not set up (test 5)\n");
err++;
goto test6;
}
if (HMAC_Init_ex(ctx, test[4].key, -1, EVP_sha1(), NULL)) {
printf("Should fail to initialise HMAC with invalid key len(test 5)\n");
err++;
goto test6;
}
if (!HMAC_Init_ex(ctx, test[4].key, test[4].key_len, EVP_sha1(), NULL)) {
printf("Failed to initialise HMAC (test 5)\n");
err++;
goto test6;
}
if (!HMAC_Update(ctx, test[4].data, test[4].data_len)) {
printf("Error updating HMAC with data (test 5)\n");
err++;
goto test6;
}
if (!HMAC_Final(ctx, buf, &len)) {
printf("Error finalising data (test 5)\n");
err++;
goto test6;
}
p = pt(buf, len);
if (strcmp(p, (char *)test[4].digest) != 0) {
printf("Error calculating interim HMAC on test 5\n");
printf("got %s instead of %s\n", p, test[4].digest);
err++;
goto test6;
}
if (HMAC_Init_ex(ctx, NULL, 0, EVP_sha256(), NULL)) {
printf("Should disallow changing MD without a new key (test 5)\n");
err++;
goto test6;
}
if (!HMAC_Init_ex(ctx, test[5].key, test[5].key_len, EVP_sha256(), NULL)) {
printf("Failed to reinitialise HMAC (test 5)\n");
err++;
goto test6;
}
if (!HMAC_Update(ctx, test[5].data, test[5].data_len)) {
printf("Error updating HMAC with data (sha256) (test 5)\n");
err++;
goto test6;
}
if (!HMAC_Final(ctx, buf, &len)) {
printf("Error finalising data (sha256) (test 5)\n");
err++;
goto test6;
}
p = pt(buf, len);
if (strcmp(p, (char *)test[5].digest) != 0) {
printf("Error calculating 2nd interim HMAC on test 5\n");
printf("got %s instead of %s\n", p, test[5].digest);
err++;
goto test6;
}
if (!HMAC_Init_ex(ctx, test[6].key, test[6].key_len, NULL, NULL)) {
printf("Failed to reinitialise HMAC with key (test 5)\n");
err++;
goto test6;
}
if (!HMAC_Update(ctx, test[6].data, test[6].data_len)) {
printf("Error updating HMAC with data (new key) (test 5)\n");
err++;
goto test6;
}
if (!HMAC_Final(ctx, buf, &len)) {
printf("Error finalising data (new key) (test 5)\n");
err++;
goto test6;
}
p = pt(buf, len);
if (strcmp(p, (char *)test[6].digest) != 0) {
printf("error calculating HMAC on test 5\n");
printf("got %s instead of %s\n", p, test[6].digest);
err++;
} else {
printf("test 5 ok\n");
}
test6:
HMAC_CTX_reset(ctx);
ctx2 = HMAC_CTX_new();
if (ctx2 == NULL) {
printf("HMAC malloc failure (test 6)\n");
err++;
goto end;
}
if (!HMAC_Init_ex(ctx, test[7].key, test[7].key_len, EVP_sha1(), NULL)) {
printf("Failed to initialise HMAC (test 6)\n");
err++;
goto end;
}
if (!HMAC_Update(ctx, test[7].data, test[7].data_len)) {
printf("Error updating HMAC with data (test 6)\n");
err++;
goto end;
}
if (!HMAC_CTX_copy(ctx2, ctx)) {
printf("Failed to copy HMAC_CTX (test 6)\n");
err++;
goto end;
}
if (!HMAC_Final(ctx2, buf, &len)) {
printf("Error finalising data (test 6)\n");
err++;
goto end;
}
p = pt(buf, len);
if (strcmp(p, (char *)test[7].digest) != 0) {
printf("Error calculating HMAC on test 6\n");
printf("got %s instead of %s\n", p, test[7].digest);
err++;
} else {
printf("test 6 ok\n");
}
end:
HMAC_CTX_free(ctx2);
HMAC_CTX_free(ctx);
EXIT(err);
}
# ifndef OPENSSL_NO_MD5
static char *pt(unsigned char *md, unsigned int len)
{
unsigned int i;
static char buf[80];
for (i = 0; i < len; i++)
sprintf(&(buf[i * 2]), "%02x", md[i]);
return (buf);
}
# endif