cryb-to/t/t_sha512.c
2017-08-23 13:19:59 +02:00

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/*-
* Copyright (c) 2012 The University of Oslo
* Copyright (c) 2012-2016 Dag-Erling Smørgrav
* All rights reserved.
*
* 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 above 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. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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.
*/
#include "cryb/impl.h"
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <cryb/test.h>
#if WITH_OPENSSL
#include <openssl/sha.h>
#define SHA512_DIGEST_LEN SHA512_DIGEST_LENGTH
#define sha512_ctx SHA512_CTX
#define sha512_init(c) SHA512_Init(c)
#define sha512_update(c, m, l) SHA512_Update(c, m, l)
#define sha512_final(c, d) SHA512_Final(d, c)
static void
t_sha512_complete(const void *msg, size_t msglen, uint8_t *digest)
{
SHA512_CTX ctx;
SHA512_Init(&ctx);
SHA512_Update(&ctx, msg, msglen);
SHA512_Final(digest, &ctx);
}
#else
#include <cryb/sha512.h>
#define t_sha512_complete(msg, msglen, digest) \
sha512_complete(msg, msglen, digest)
#endif
static struct t_vector {
const char *desc;
const char *msg;
const uint8_t digest[SHA512_DIGEST_LEN];
} t_sha512_vectors[] = {
{
"zero-length message",
"",
{
0xcf, 0x83, 0xe1, 0x35, 0x7e, 0xef, 0xb8, 0xbd,
0xf1, 0x54, 0x28, 0x50, 0xd6, 0x6d, 0x80, 0x07,
0xd6, 0x20, 0xe4, 0x05, 0x0b, 0x57, 0x15, 0xdc,
0x83, 0xf4, 0xa9, 0x21, 0xd3, 0x6c, 0xe9, 0xce,
0x47, 0xd0, 0xd1, 0x3c, 0x5d, 0x85, 0xf2, 0xb0,
0xff, 0x83, 0x18, 0xd2, 0x87, 0x7e, 0xec, 0x2f,
0x63, 0xb9, 0x31, 0xbd, 0x47, 0x41, 0x7a, 0x81,
0xa5, 0x38, 0x32, 0x7a, 0xf9, 0x27, 0xda, 0x3e,
}
},
{
"FIPS 180-2 C.1 (one-block message)",
"abc",
{
0xdd, 0xaf, 0x35, 0xa1, 0x93, 0x61, 0x7a, 0xba,
0xcc, 0x41, 0x73, 0x49, 0xae, 0x20, 0x41, 0x31,
0x12, 0xe6, 0xfa, 0x4e, 0x89, 0xa9, 0x7e, 0xa2,
0x0a, 0x9e, 0xee, 0xe6, 0x4b, 0x55, 0xd3, 0x9a,
0x21, 0x92, 0x99, 0x2a, 0x27, 0x4f, 0xc1, 0xa8,
0x36, 0xba, 0x3c, 0x23, 0xa3, 0xfe, 0xeb, 0xbd,
0x45, 0x4d, 0x44, 0x23, 0x64, 0x3c, 0xe8, 0x0e,
0x2a, 0x9a, 0xc9, 0x4f, 0xa5, 0x4c, 0xa4, 0x9f,
}
},
{
/*
* This message is *just* long enough to necessitate a
* second block, which consists entirely of padding.
*/
"FIPS 180-2 C.2 (multi-block message)",
"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
"hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
{
0x8e, 0x95, 0x9b, 0x75, 0xda, 0xe3, 0x13, 0xda,
0x8c, 0xf4, 0xf7, 0x28, 0x14, 0xfc, 0x14, 0x3f,
0x8f, 0x77, 0x79, 0xc6, 0xeb, 0x9f, 0x7f, 0xa1,
0x72, 0x99, 0xae, 0xad, 0xb6, 0x88, 0x90, 0x18,
0x50, 0x1d, 0x28, 0x9e, 0x49, 0x00, 0xf7, 0xe4,
0x33, 0x1b, 0x99, 0xde, 0xc4, 0xb5, 0x43, 0x3a,
0xc7, 0xd3, 0x29, 0xee, 0xb6, 0xdd, 0x26, 0x54,
0x5e, 0x96, 0xe5, 0x5b, 0x87, 0x4b, 0xe9, 0x09,
}
},
{
/*
* 1,000,000 x 'a', filled in by t_prepare()
*/
"FIPS 180-2 C.3 (long message)",
NULL,
{
0xe7, 0x18, 0x48, 0x3d, 0x0c, 0xe7, 0x69, 0x64,
0x4e, 0x2e, 0x42, 0xc7, 0xbc, 0x15, 0xb4, 0x63,
0x8e, 0x1f, 0x98, 0xb1, 0x3b, 0x20, 0x44, 0x28,
0x56, 0x32, 0xa8, 0x03, 0xaf, 0xa9, 0x73, 0xeb,
0xde, 0x0f, 0xf2, 0x44, 0x87, 0x7e, 0xa6, 0x0a,
0x4c, 0xb0, 0x43, 0x2c, 0xe5, 0x77, 0xc3, 0x1b,
0xeb, 0x00, 0x9c, 0x5c, 0x2c, 0x49, 0xaa, 0x2e,
0x4e, 0xad, 0xb2, 0x17, 0xad, 0x8c, 0xc0, 0x9b,
},
},
{
/*
* One of the MD5 test vectors, included for the "short
* update" test.
*/
"\"1234567890\"x8",
"1234567890123456789012345678901234567890"
"1234567890123456789012345678901234567890",
{
0x72, 0xec, 0x1e, 0xf1, 0x12, 0x4a, 0x45, 0xb0,
0x47, 0xe8, 0xb7, 0xc7, 0x5a, 0x93, 0x21, 0x95,
0x13, 0x5b, 0xb6, 0x1d, 0xe2, 0x4e, 0xc0, 0xd1,
0x91, 0x40, 0x42, 0x24, 0x6e, 0x0a, 0xec, 0x3a,
0x23, 0x54, 0xe0, 0x93, 0xd7, 0x6f, 0x30, 0x48,
0xb4, 0x56, 0x76, 0x43, 0x46, 0x90, 0x0c, 0xb1,
0x30, 0xd2, 0xa4, 0xfd, 0x5d, 0xd1, 0x6a, 0xbb,
0x5e, 0x30, 0xbc, 0xb8, 0x50, 0xde, 0xe8, 0x43,
},
},
};
/*
* Unit test: compute the SHA512 sum of the specified string and compare it
* to the expected result.
*/
static int
t_sha512_vector(char **desc CRYB_UNUSED, void *arg)
{
struct t_vector *vector = (struct t_vector *)arg;
uint8_t digest[SHA512_DIGEST_LEN];
char msg[1000000];
if (vector->msg) {
t_sha512_complete(vector->msg, strlen(vector->msg), digest);
} else {
/* special case for FIPS test vector 3 */
memset(msg, 'a', 1000000);
t_sha512_complete(msg, 1000000, digest);
}
return (t_compare_mem(vector->digest, digest, SHA512_DIGEST_LEN));
}
#if !defined(WITH_OPENSSL) && !defined(WITH_RSAREF)
/*
* Various corner cases and error conditions
*/
static int
t_sha512_short_updates(char **desc CRYB_UNUSED, void *arg)
{
struct t_vector *vector = (struct t_vector *)arg;
uint8_t digest[SHA512_DIGEST_LEN];
sha512_ctx ctx;
int i, len;
sha512_init(&ctx);
len = strlen(vector->msg);
for (i = 0; i + 5 < len; i += 5)
sha512_update(&ctx, vector->msg + i, 5);
sha512_update(&ctx, vector->msg + i, len - i);
sha512_final(&ctx, digest);
return (memcmp(digest, vector->digest, SHA512_DIGEST_LEN) == 0);
}
#endif
/*
* Performance test: measure the time spent computing the SHA512 sum of a
* message of the specified length.
*/
#define T_PERF_ITERATIONS 1000
static int
t_sha512_perf(char **desc, void *arg)
{
struct timespec ts, te;
unsigned long ns;
uint8_t digest[SHA512_DIGEST_LEN];
size_t msglen = *(size_t *)arg;
char msg[msglen];
clock_gettime(CLOCK_MONOTONIC, &ts);
for (int i = 0; i < T_PERF_ITERATIONS; ++i)
t_sha512_complete(msg, msglen, digest);
clock_gettime(CLOCK_MONOTONIC, &te);
ns = te.tv_sec * 1000000000LU + te.tv_nsec;
ns -= ts.tv_sec * 1000000000LU + ts.tv_nsec;
(void)asprintf(desc, "%zu bytes: %d iterations in %'lu ns",
msglen, T_PERF_ITERATIONS, ns);
return (1);
}
/*
* Test the carry operation on the byte counter.
*/
static int
t_sha512_carry(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
{
sha512_ctx ctx;
uint8_t digest[SHA512_DIGEST_LEN];
static uint8_t expect[SHA512_DIGEST_LEN] = {
0x00, 0x79, 0xb9, 0x71, 0xd3, 0x86, 0x0b, 0x53,
0x64, 0xc7, 0x37, 0x63, 0x97, 0x8f, 0x35, 0x14,
0xed, 0x53, 0x20, 0x3d, 0xae, 0x03, 0xa0, 0x37,
0x70, 0xbe, 0xce, 0x70, 0x87, 0x20, 0x21, 0x16,
0x43, 0x8d, 0x3f, 0xe2, 0xbc, 0x02, 0xf0, 0x8c,
0xc9, 0x98, 0x4c, 0x4d, 0xf3, 0x6f, 0x0b, 0xbb,
0x55, 0x94, 0x70, 0x95, 0xf1, 0x9f, 0xaf, 0xaf,
0xd6, 0xbb, 0x3a, 0xbb, 0x4d, 0x6a, 0xf0, 0xc0,
};
sha512_init(&ctx);
#if WITH_OPENSSL
ctx.Nl = 0xfffffffffffffc00LLU;
#else
ctx.bitlen[1] = 0xfffffffffffffc00LLU;
#endif
sha512_update(&ctx, t_seq8, 256);
sha512_final(&ctx, digest);
return (t_compare_mem(expect, digest, SHA512_DIGEST_LEN));
}
/***************************************************************************
* Boilerplate
*/
static int
t_prepare(int argc, char *argv[])
{
int i, n;
(void)argc;
(void)argv;
n = sizeof t_sha512_vectors / sizeof t_sha512_vectors[0];
for (i = 0; i < n; ++i)
t_add_test(t_sha512_vector, &t_sha512_vectors[i],
"%s", t_sha512_vectors[i].desc);
#if !defined(WITH_OPENSSL) && !defined(WITH_RSAREF)
/*
* Run test vector 5 (md5 test vector 7, which is 80 characters
* long) 5 characters at a time. This tests a) appending data to
* an underfull block and b) appending more data to an underfull
* block than it has room for (since 64 % 5 != 0). Test vector 4
* and 5 already exercised the code path for computing a block
* directly from source (without copying it in), and all the test
* vectors except vector 1 exercised the general case of copying a
* small amount of data in without crossing the block boundary.
*/
t_add_test(t_sha512_short_updates, &t_sha512_vectors[4],
"multiple short updates");
#endif
if (t_str_is_true(getenv("CRYB_PERFTEST"))) {
static size_t one = 1, thousand = 1000, million = 1000000;
t_add_test(t_sha512_perf, &one,
"performance test (1 byte)");
t_add_test(t_sha512_perf, &thousand,
"performance test (1,000 bytes)");
t_add_test(t_sha512_perf, &million,
"performance test (1,000,000 bytes)");
}
t_add_test(t_sha512_carry, NULL, "byte counter carry");
return (0);
}
int
main(int argc, char *argv[])
{
t_main(t_prepare, NULL, argc, argv);
}