cryb-to/t/t_sha384.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 SHA384_DIGEST_LEN SHA384_DIGEST_LENGTH
#define sha384_ctx SHA512_CTX /* yes, 512 is correct */
#define sha384_init(c) SHA384_Init(c)
#define sha384_update(c, m, l) SHA384_Update(c, m, l)
#define sha384_final(c, d) SHA384_Final(d, c)
static void
t_sha384_complete(const void *msg, size_t msglen, uint8_t *digest)
{
SHA512_CTX ctx; /* yes, 512 is correct */
SHA384_Init(&ctx);
SHA384_Update(&ctx, msg, msglen);
SHA384_Final(digest, &ctx);
}
#else
#include <cryb/sha384.h>
#define t_sha384_complete(msg, msglen, digest) \
sha384_complete(msg, msglen, digest)
#endif
static struct t_vector {
const char *desc;
const char *msg;
const uint8_t digest[SHA384_DIGEST_LEN];
} t_sha384_vectors[] = {
{
"zero-length message",
"",
{
0x38, 0xb0, 0x60, 0xa7, 0x51, 0xac, 0x96, 0x38,
0x4c, 0xd9, 0x32, 0x7e, 0xb1, 0xb1, 0xe3, 0x6a,
0x21, 0xfd, 0xb7, 0x11, 0x14, 0xbe, 0x07, 0x43,
0x4c, 0x0c, 0xc7, 0xbf, 0x63, 0xf6, 0xe1, 0xda,
0x27, 0x4e, 0xde, 0xbf, 0xe7, 0x6f, 0x65, 0xfb,
0xd5, 0x1a, 0xd2, 0xf1, 0x48, 0x98, 0xb9, 0x5b,
}
},
{
"FIPS 180-2 D.1 (one-block message)",
"abc",
{
0xcb, 0x00, 0x75, 0x3f, 0x45, 0xa3, 0x5e, 0x8b,
0xb5, 0xa0, 0x3d, 0x69, 0x9a, 0xc6, 0x50, 0x07,
0x27, 0x2c, 0x32, 0xab, 0x0e, 0xde, 0xd1, 0x63,
0x1a, 0x8b, 0x60, 0x5a, 0x43, 0xff, 0x5b, 0xed,
0x80, 0x86, 0x07, 0x2b, 0xa1, 0xe7, 0xcc, 0x23,
0x58, 0xba, 0xec, 0xa1, 0x34, 0xc8, 0x25, 0xa7,
}
},
{
/*
* This message is *just* long enough to necessitate a
* second block, which consists entirely of padding.
*/
"FIPS 180-2 D.2 (multi-block message)",
"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
"hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
{
0x09, 0x33, 0x0c, 0x33, 0xf7, 0x11, 0x47, 0xe8,
0x3d, 0x19, 0x2f, 0xc7, 0x82, 0xcd, 0x1b, 0x47,
0x53, 0x11, 0x1b, 0x17, 0x3b, 0x3b, 0x05, 0xd2,
0x2f, 0xa0, 0x80, 0x86, 0xe3, 0xb0, 0xf7, 0x12,
0xfc, 0xc7, 0xc7, 0x1a, 0x55, 0x7e, 0x2d, 0xb9,
0x66, 0xc3, 0xe9, 0xfa, 0x91, 0x74, 0x60, 0x39,
}
},
{
/*
* 1,000,000 x 'a', filled in by t_prepare()
*/
"FIPS 180-2 D.3 (long message)",
NULL,
{
0x9d, 0x0e, 0x18, 0x09, 0x71, 0x64, 0x74, 0xcb,
0x08, 0x6e, 0x83, 0x4e, 0x31, 0x0a, 0x4a, 0x1c,
0xed, 0x14, 0x9e, 0x9c, 0x00, 0xf2, 0x48, 0x52,
0x79, 0x72, 0xce, 0xc5, 0x70, 0x4c, 0x2a, 0x5b,
0x07, 0xb8, 0xb3, 0xdc, 0x38, 0xec, 0xc4, 0xeb,
0xae, 0x97, 0xdd, 0xd8, 0x7f, 0x3d, 0x89, 0x85,
},
},
{
/*
* One of the MD5 test vectors, included for the "short
* update" test.
*/
"\"1234567890\"x8",
"1234567890123456789012345678901234567890"
"1234567890123456789012345678901234567890",
{
0xb1, 0x29, 0x32, 0xb0, 0x62, 0x7d, 0x1c, 0x06,
0x09, 0x42, 0xf5, 0x44, 0x77, 0x64, 0x15, 0x56,
0x55, 0xbd, 0x4d, 0xa0, 0xc9, 0xaf, 0xa6, 0xdd,
0x9b, 0x9e, 0xf5, 0x31, 0x29, 0xaf, 0x1b, 0x8f,
0xb0, 0x19, 0x59, 0x96, 0xd2, 0xde, 0x9c, 0xa0,
0xdf, 0x9d, 0x82, 0x1f, 0xfe, 0xe6, 0x70, 0x26,
},
},
};
/*
* Unit test: compute the SHA384 sum of the specified string and compare it
* to the expected result.
*/
static int
t_sha384_vector(char **desc CRYB_UNUSED, void *arg)
{
struct t_vector *vector = (struct t_vector *)arg;
uint8_t digest[SHA384_DIGEST_LEN];
char msg[1000000];
if (vector->msg) {
t_sha384_complete(vector->msg, strlen(vector->msg), digest);
} else {
/* special case for FIPS test vector 3 */
memset(msg, 'a', 1000000);
t_sha384_complete(msg, 1000000, digest);
}
return (t_compare_mem(vector->digest, digest, SHA384_DIGEST_LEN));
}
#if !defined(WITH_OPENSSL) && !defined(WITH_RSAREF)
/*
* Various corner cases and error conditions
*/
static int
t_sha384_short_updates(char **desc CRYB_UNUSED, void *arg)
{
struct t_vector *vector = (struct t_vector *)arg;
uint8_t digest[SHA384_DIGEST_LEN];
sha384_ctx ctx;
int i, len;
sha384_init(&ctx);
len = strlen(vector->msg);
for (i = 0; i + 5 < len; i += 5)
sha384_update(&ctx, vector->msg + i, 5);
sha384_update(&ctx, vector->msg + i, len - i);
sha384_final(&ctx, digest);
return (t_compare_mem(digest, vector->digest, SHA384_DIGEST_LEN));
}
#endif
/*
* Performance test: measure the time spent computing the SHA384 sum of a
* message of the specified length.
*/
#define T_PERF_ITERATIONS 1000
static int
t_sha384_perf(char **desc, void *arg)
{
struct timespec ts, te;
unsigned long ns;
uint8_t digest[SHA384_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_sha384_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_sha384_carry(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
{
sha384_ctx ctx;
uint8_t digest[SHA384_DIGEST_LEN];
static uint8_t expect[SHA384_DIGEST_LEN] = {
0x04, 0x69, 0xc2, 0x19, 0xcd, 0x88, 0x40, 0xf9,
0xbb, 0xb6, 0xd8, 0x68, 0xab, 0x24, 0xf1, 0x5e,
0x35, 0x79, 0xa9, 0xfc, 0xf3, 0x21, 0xc2, 0x27,
0x79, 0x1f, 0x0a, 0x73, 0x4a, 0x50, 0x73, 0x24,
0xfe, 0xcd, 0x3a, 0xca, 0x22, 0x5d, 0x22, 0xe7,
0x7e, 0x1c, 0x75, 0xcb, 0x72, 0xee, 0x3a, 0xf8,
};
sha384_init(&ctx);
#if WITH_OPENSSL
ctx.Nl = 0xfffffffffffffc00LLU;
#else
ctx.bitlen[1] = 0xfffffffffffffc00LLU;
#endif
sha384_update(&ctx, t_seq8, 256);
sha384_final(&ctx, digest);
return (t_compare_mem(expect, digest, SHA384_DIGEST_LEN));
}
/***************************************************************************
* Boilerplate
*/
static int
t_prepare(int argc, char *argv[])
{
int i, n;
(void)argc;
(void)argv;
n = sizeof t_sha384_vectors / sizeof t_sha384_vectors[0];
for (i = 0; i < n; ++i)
t_add_test(t_sha384_vector, &t_sha384_vectors[i],
"%s", t_sha384_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_sha384_short_updates, &t_sha384_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_sha384_perf, &one,
"performance test (1 byte)");
t_add_test(t_sha384_perf, &thousand,
"performance test (1,000 bytes)");
t_add_test(t_sha384_perf, &million,
"performance test (1,000,000 bytes)");
}
t_add_test(t_sha384_carry, NULL, "byte counter carry");
return (0);
}
int
main(int argc, char *argv[])
{
t_main(t_prepare, NULL, argc, argv);
}