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253 lines
7 KiB
C
253 lines
7 KiB
C
/*-
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* Copyright (c) 2012 The University of Oslo
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* Copyright (c) 2012-2014 Dag-Erling Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "cryb/impl.h"
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <cryb/test.h>
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#if WITH_OPENSSL
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#include <openssl/sha.h>
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#define SHA224_DIGEST_LEN SHA224_DIGEST_LENGTH
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static void
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t_sha224_complete(const void *msg, size_t msglen, uint8_t *digest)
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{
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SHA256_CTX ctx;
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SHA224_Init(&ctx);
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SHA224_Update(&ctx, msg, msglen);
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SHA224_Final(digest, &ctx);
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}
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#else
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#include <cryb/sha224.h>
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#define t_sha224_complete(msg, msglen, digest) \
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sha224_complete(msg, msglen, digest)
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#endif
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/*
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* Test vectors from NIST CSRC
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* http://csrc.nist.gov/groups/ST/toolkit/examples.html
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*/
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static struct t_vector {
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const char *desc;
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const char *msg;
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const uint8_t digest[SHA224_DIGEST_LEN];
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} t_sha224_vectors[] = {
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{
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"zero-length message",
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"",
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{
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0xd1, 0x4a, 0x02, 0x8c, 0x2a, 0x3a, 0x2b, 0xc9,
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0x47, 0x61, 0x02, 0xbb, 0x28, 0x82, 0x34, 0xc4,
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0x15, 0xa2, 0xb0, 0x1f, 0x82, 0x8e, 0xa6, 0x2a,
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0xc5, 0xb3, 0xe4, 0x2f,
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}
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},
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{
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"One-block message",
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"abc",
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{
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0x23, 0x09, 0x7d, 0x22, 0x34, 0x05, 0xd8, 0x22,
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0x86, 0x42, 0xa4, 0x77, 0xbd, 0xa2, 0x55, 0xb3,
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0x2a, 0xad, 0xbc, 0xe4, 0xbd, 0xa0, 0xb3, 0xf7,
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0xe3, 0x6c, 0x9d, 0xa7,
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}
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},
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{
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/*
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* This message is *just* long enough to necessitate a
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* second block, which consists entirely of padding.
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*/
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"Two-block message",
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"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
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{
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0x75, 0x38, 0x8b, 0x16, 0x51, 0x27, 0x76, 0xcc,
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0x5d, 0xba, 0x5d, 0xa1, 0xfd, 0x89, 0x01, 0x50,
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0xb0, 0xc6, 0x45, 0x5c, 0xb4, 0xf5, 0x8b, 0x19,
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0x52, 0x52, 0x25, 0x25,
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}
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},
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{
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/*
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* 1,000,000 x 'a', filled in by t_prepare()
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*/
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"Long message",
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NULL,
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{
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0x20, 0x79, 0x46, 0x55, 0x98, 0x0c, 0x91, 0xd8,
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0xbb, 0xb4, 0xc1, 0xea, 0x97, 0x61, 0x8a, 0x4b,
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0xf0, 0x3f, 0x42, 0x58, 0x19, 0x48, 0xb2, 0xee,
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0x4e, 0xe7, 0xad, 0x67,
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},
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},
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{
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/*
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* One of the MD5 test vectors, included for the "short
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* update" test.
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*/
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"\"1234567890\"x8",
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"1234567890123456789012345678901234567890"
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"1234567890123456789012345678901234567890",
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{
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0xb5, 0x0a, 0xec, 0xbe, 0x4e, 0x9b, 0xb0, 0xb5,
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0x7b, 0xc5, 0xf3, 0xae, 0x76, 0x0a, 0x8e, 0x01,
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0xdb, 0x24, 0xf2, 0x03, 0xfb, 0x3c, 0xdc, 0xd1,
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0x31, 0x48, 0x04, 0x6e,
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},
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},
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};
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/*
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* Unit test: compute the SHA224 sum of the specified string and compare it
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* to the expected result.
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*/
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static int
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t_sha224_vector(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_vector *vector = (struct t_vector *)arg;
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uint8_t digest[SHA224_DIGEST_LEN];
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char msg[1000000];
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if (vector->msg) {
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t_sha224_complete(vector->msg, strlen(vector->msg), digest);
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} else {
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/* special case for FIPS test vector 3 */
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memset(msg, 'a', 1000000);
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t_sha224_complete(msg, 1000000, digest);
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}
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return (t_compare_mem(vector->digest, digest, SHA224_DIGEST_LEN));
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}
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#if !defined(WITH_OPENSSL) && !defined(WITH_RSAREF)
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/*
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* Various corner cases and error conditions
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*/
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static int
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t_sha224_short_updates(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_vector *vector = (struct t_vector *)arg;
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uint8_t digest[SHA224_DIGEST_LEN];
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sha224_ctx ctx;
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int i, len;
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sha224_init(&ctx);
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len = strlen(vector->msg);
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for (i = 0; i + 5 < len; i += 5)
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sha224_update(&ctx, vector->msg + i, 5);
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sha224_update(&ctx, vector->msg + i, len - i);
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sha224_final(&ctx, digest);
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return (memcmp(digest, vector->digest, SHA224_DIGEST_LEN) == 0);
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}
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#endif
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/*
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* Performance test: measure the time spent computing the SHA224 sum of a
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* message of the specified length.
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*/
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#define T_PERF_ITERATIONS 1000
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static int
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t_sha224_perf(char **desc, void *arg)
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{
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struct timespec ts, te;
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unsigned long ns;
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uint8_t digest[SHA224_DIGEST_LEN];
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size_t msglen = *(size_t *)arg;
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char msg[msglen];
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clock_gettime(CLOCK_MONOTONIC, &ts);
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for (int i = 0; i < T_PERF_ITERATIONS; ++i)
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t_sha224_complete(msg, msglen, digest);
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clock_gettime(CLOCK_MONOTONIC, &te);
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ns = te.tv_sec * 1000000000LU + te.tv_nsec;
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ns -= ts.tv_sec * 1000000000LU + ts.tv_nsec;
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asprintf(desc, "%zu bytes: %d iterations in %'lu ns",
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msglen, T_PERF_ITERATIONS, ns);
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return (1);
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}
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/***************************************************************************
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* Boilerplate
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*/
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int
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t_prepare(int argc, char *argv[])
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{
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int i, n;
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(void)argc;
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(void)argv;
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n = sizeof t_sha224_vectors / sizeof t_sha224_vectors[0];
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for (i = 0; i < n; ++i)
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t_add_test(t_sha224_vector, &t_sha224_vectors[i],
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t_sha224_vectors[i].desc);
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#if !defined(WITH_OPENSSL) && !defined(WITH_RSAREF)
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/*
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* Run test vector 5 (md5 test vector 7, which is 80 characters
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* long) 5 characters at a time. This tests a) appending data to
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* an underfull block and b) appending more data to an underfull
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* block than it has room for (since 64 % 5 != 0). Test vector 4
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* and 5 already exercised the code path for computing a block
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* directly from source (without copying it in), and all the test
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* vectors except vector 1 exercised the general case of copying a
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* small amount of data in without crossing the block boundary.
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*/
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t_add_test(t_sha224_short_updates, &t_sha224_vectors[4],
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"multiple short updates");
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#endif
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if (t_str_is_true(getenv("CRYB_PERFTEST"))) {
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static size_t one = 1, thousand = 1000, million = 1000000;
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t_add_test(t_sha224_perf, &one,
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"performance test (1 byte)");
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t_add_test(t_sha224_perf, &thousand,
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"performance test (1,000 bytes)");
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t_add_test(t_sha224_perf, &million,
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"performance test (1,000,000 bytes)");
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}
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return (0);
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}
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void
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t_cleanup(void)
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{
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}
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