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https://github.com/cryb-to/cryb-to.git
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297 lines
8.6 KiB
C
297 lines
8.6 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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* Author: Dag-Erling Smørgrav <des@des.no>
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* Sponsor: the University of Oslo
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*
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* $Cryb$
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*/
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#include "cryb/impl.h"
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#include <err.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 "t.h"
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#if WITH_OPENSSL
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#include <openssl/sha.h>
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#define SHA512_DIGEST_LEN SHA512_DIGEST_LENGTH
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static void
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t_sha512_complete(const void *msg, size_t msglen, uint8_t *digest)
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{
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SHA512_CTX ctx;
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SHA512_Init(&ctx);
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SHA512_Update(&ctx, msg, msglen);
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SHA512_Final(digest, &ctx);
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}
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#else
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#include <cryb/sha512.h>
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#define t_sha512_complete(msg, msglen, digest) \
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sha512_complete(msg, msglen, digest)
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#endif
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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[SHA512_DIGEST_LEN];
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} t_sha512_vectors[] = {
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{
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"zero-length message",
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"",
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{
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0xcf, 0x83, 0xe1, 0x35, 0x7e, 0xef, 0xb8, 0xbd,
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0xf1, 0x54, 0x28, 0x50, 0xd6, 0x6d, 0x80, 0x07,
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0xd6, 0x20, 0xe4, 0x05, 0x0b, 0x57, 0x15, 0xdc,
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0x83, 0xf4, 0xa9, 0x21, 0xd3, 0x6c, 0xe9, 0xce,
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0x47, 0xd0, 0xd1, 0x3c, 0x5d, 0x85, 0xf2, 0xb0,
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0xff, 0x83, 0x18, 0xd2, 0x87, 0x7e, 0xec, 0x2f,
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0x63, 0xb9, 0x31, 0xbd, 0x47, 0x41, 0x7a, 0x81,
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0xa5, 0x38, 0x32, 0x7a, 0xf9, 0x27, 0xda, 0x3e,
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}
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},
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{
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"FIPS 180-2 C.1 (one-block message)",
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"abc",
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{
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0xdd, 0xaf, 0x35, 0xa1, 0x93, 0x61, 0x7a, 0xba,
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0xcc, 0x41, 0x73, 0x49, 0xae, 0x20, 0x41, 0x31,
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0x12, 0xe6, 0xfa, 0x4e, 0x89, 0xa9, 0x7e, 0xa2,
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0x0a, 0x9e, 0xee, 0xe6, 0x4b, 0x55, 0xd3, 0x9a,
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0x21, 0x92, 0x99, 0x2a, 0x27, 0x4f, 0xc1, 0xa8,
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0x36, 0xba, 0x3c, 0x23, 0xa3, 0xfe, 0xeb, 0xbd,
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0x45, 0x4d, 0x44, 0x23, 0x64, 0x3c, 0xe8, 0x0e,
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0x2a, 0x9a, 0xc9, 0x4f, 0xa5, 0x4c, 0xa4, 0x9f,
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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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"FIPS 180-2 C.2 (multi-block message)",
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"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
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"hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
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{
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0x8e, 0x95, 0x9b, 0x75, 0xda, 0xe3, 0x13, 0xda,
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0x8c, 0xf4, 0xf7, 0x28, 0x14, 0xfc, 0x14, 0x3f,
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0x8f, 0x77, 0x79, 0xc6, 0xeb, 0x9f, 0x7f, 0xa1,
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0x72, 0x99, 0xae, 0xad, 0xb6, 0x88, 0x90, 0x18,
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0x50, 0x1d, 0x28, 0x9e, 0x49, 0x00, 0xf7, 0xe4,
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0x33, 0x1b, 0x99, 0xde, 0xc4, 0xb5, 0x43, 0x3a,
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0xc7, 0xd3, 0x29, 0xee, 0xb6, 0xdd, 0x26, 0x54,
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0x5e, 0x96, 0xe5, 0x5b, 0x87, 0x4b, 0xe9, 0x09,
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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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"FIPS 180-2 C.3 (long message)",
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NULL,
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{
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0xe7, 0x18, 0x48, 0x3d, 0x0c, 0xe7, 0x69, 0x64,
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0x4e, 0x2e, 0x42, 0xc7, 0xbc, 0x15, 0xb4, 0x63,
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0x8e, 0x1f, 0x98, 0xb1, 0x3b, 0x20, 0x44, 0x28,
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0x56, 0x32, 0xa8, 0x03, 0xaf, 0xa9, 0x73, 0xeb,
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0xde, 0x0f, 0xf2, 0x44, 0x87, 0x7e, 0xa6, 0x0a,
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0x4c, 0xb0, 0x43, 0x2c, 0xe5, 0x77, 0xc3, 0x1b,
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0xeb, 0x00, 0x9c, 0x5c, 0x2c, 0x49, 0xaa, 0x2e,
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0x4e, 0xad, 0xb2, 0x17, 0xad, 0x8c, 0xc0, 0x9b,
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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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0x72, 0xec, 0x1e, 0xf1, 0x12, 0x4a, 0x45, 0xb0,
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0x47, 0xe8, 0xb7, 0xc7, 0x5a, 0x93, 0x21, 0x95,
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0x13, 0x5b, 0xb6, 0x1d, 0xe2, 0x4e, 0xc0, 0xd1,
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0x91, 0x40, 0x42, 0x24, 0x6e, 0x0a, 0xec, 0x3a,
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0x23, 0x54, 0xe0, 0x93, 0xd7, 0x6f, 0x30, 0x48,
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0xb4, 0x56, 0x76, 0x43, 0x46, 0x90, 0x0c, 0xb1,
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0x30, 0xd2, 0xa4, 0xfd, 0x5d, 0xd1, 0x6a, 0xbb,
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0x5e, 0x30, 0xbc, 0xb8, 0x50, 0xde, 0xe8, 0x43,
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},
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},
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};
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/*
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* Unit test: compute the SHA512 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_sha512_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[SHA512_DIGEST_LEN];
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char *msg;
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if (vector->msg) {
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t_sha512_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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if ((msg = malloc(1000000)) == NULL)
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err(1, "malloc()");
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memset(msg, 'a', 1000000);
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t_sha512_complete(msg, 1000000, digest);
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free(msg);
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}
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if (memcmp(digest, vector->digest, SHA512_DIGEST_LEN) != 0) {
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t_verbose("expected ");
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t_verbose_hex(vector->digest, SHA512_DIGEST_LEN);
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t_verbose("\n");
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t_verbose("got ");
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t_verbose_hex(digest, SHA512_DIGEST_LEN);
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t_verbose("\n");
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return (0);
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}
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return (1);
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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_sha512_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[SHA512_DIGEST_LEN];
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sha512_ctx ctx;
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int i, len;
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sha512_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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sha512_update(&ctx, vector->msg + i, 5);
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sha512_update(&ctx, vector->msg + i, len - i);
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sha512_final(&ctx, digest);
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return (memcmp(digest, vector->digest, SHA512_DIGEST_LEN) == 0);
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}
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#endif
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#ifdef BENCHMARKS
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/*
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* Performance test: measure the time spent computing the SHA512 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_sha512_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[SHA512_DIGEST_LEN];
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char *msg, *comment;
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size_t msglen = *(size_t *)arg;
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if ((msg = calloc(1, msglen)) == NULL)
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err(1, "calloc()");
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clock_gettime(CLOCK_MONOTONIC_PRECISE, &ts);
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for (int i = 0; i < T_PERF_ITERATIONS; ++i)
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t_sha512_complete(msg, msglen, digest);
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clock_gettime(CLOCK_MONOTONIC_PRECISE, &te);
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free(msg);
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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(&comment, "%zu bytes: %d iterations in %'lu ns",
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msglen, T_PERF_ITERATIONS, ns);
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if (comment == NULL)
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err(1, "asprintf()");
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*desc = comment;
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return (1);
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}
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#endif
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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_sha512_vectors / sizeof t_sha512_vectors[0];
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for (i = 0; i < n; ++i)
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t_add_test(t_sha512_vector, &t_sha512_vectors[i],
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t_sha512_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_sha512_short_updates, &t_sha512_vectors[4],
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"multiple short updates");
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#endif
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#ifdef BENCHMARKS
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static size_t one = 1, thousand = 1000, million = 1000000;
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t_add_test(t_sha512_perf, &one,
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"performance test (1 byte)");
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t_add_test(t_sha512_perf, &thousand,
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"performance test (1,000 bytes)");
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t_add_test(t_sha512_perf, &million,
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"performance test (1,000,000 bytes)");
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#endif
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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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