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https://github.com/cryb-to/cryb-to.git
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308 lines
9 KiB
C
308 lines
9 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 <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 SHA384_DIGEST_LEN SHA384_DIGEST_LENGTH
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#define sha384_ctx SHA512_CTX /* yes, 512 is correct */
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#define sha384_init(c) SHA384_Init(c)
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#define sha384_update(c, m, l) SHA384_Update(c, m, l)
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#define sha384_final(c, d) SHA384_Final(d, c)
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static void
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t_sha384_complete(const void *msg, size_t msglen, uint8_t *digest)
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{
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SHA512_CTX ctx; /* yes, 512 is correct */
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SHA384_Init(&ctx);
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SHA384_Update(&ctx, msg, msglen);
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SHA384_Final(digest, &ctx);
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}
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#else
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#include <cryb/sha384.h>
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#define t_sha384_complete(msg, msglen, digest) \
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sha384_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[SHA384_DIGEST_LEN];
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} t_sha384_vectors[] = {
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{
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"zero-length message",
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"",
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{
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0x38, 0xb0, 0x60, 0xa7, 0x51, 0xac, 0x96, 0x38,
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0x4c, 0xd9, 0x32, 0x7e, 0xb1, 0xb1, 0xe3, 0x6a,
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0x21, 0xfd, 0xb7, 0x11, 0x14, 0xbe, 0x07, 0x43,
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0x4c, 0x0c, 0xc7, 0xbf, 0x63, 0xf6, 0xe1, 0xda,
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0x27, 0x4e, 0xde, 0xbf, 0xe7, 0x6f, 0x65, 0xfb,
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0xd5, 0x1a, 0xd2, 0xf1, 0x48, 0x98, 0xb9, 0x5b,
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}
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},
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{
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"FIPS 180-2 D.1 (one-block message)",
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"abc",
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{
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0xcb, 0x00, 0x75, 0x3f, 0x45, 0xa3, 0x5e, 0x8b,
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0xb5, 0xa0, 0x3d, 0x69, 0x9a, 0xc6, 0x50, 0x07,
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0x27, 0x2c, 0x32, 0xab, 0x0e, 0xde, 0xd1, 0x63,
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0x1a, 0x8b, 0x60, 0x5a, 0x43, 0xff, 0x5b, 0xed,
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0x80, 0x86, 0x07, 0x2b, 0xa1, 0xe7, 0xcc, 0x23,
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0x58, 0xba, 0xec, 0xa1, 0x34, 0xc8, 0x25, 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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"FIPS 180-2 D.2 (multi-block message)",
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"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
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"hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
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{
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0x09, 0x33, 0x0c, 0x33, 0xf7, 0x11, 0x47, 0xe8,
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0x3d, 0x19, 0x2f, 0xc7, 0x82, 0xcd, 0x1b, 0x47,
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0x53, 0x11, 0x1b, 0x17, 0x3b, 0x3b, 0x05, 0xd2,
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0x2f, 0xa0, 0x80, 0x86, 0xe3, 0xb0, 0xf7, 0x12,
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0xfc, 0xc7, 0xc7, 0x1a, 0x55, 0x7e, 0x2d, 0xb9,
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0x66, 0xc3, 0xe9, 0xfa, 0x91, 0x74, 0x60, 0x39,
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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 D.3 (long message)",
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NULL,
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{
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0x9d, 0x0e, 0x18, 0x09, 0x71, 0x64, 0x74, 0xcb,
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0x08, 0x6e, 0x83, 0x4e, 0x31, 0x0a, 0x4a, 0x1c,
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0xed, 0x14, 0x9e, 0x9c, 0x00, 0xf2, 0x48, 0x52,
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0x79, 0x72, 0xce, 0xc5, 0x70, 0x4c, 0x2a, 0x5b,
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0x07, 0xb8, 0xb3, 0xdc, 0x38, 0xec, 0xc4, 0xeb,
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0xae, 0x97, 0xdd, 0xd8, 0x7f, 0x3d, 0x89, 0x85,
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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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0xb1, 0x29, 0x32, 0xb0, 0x62, 0x7d, 0x1c, 0x06,
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0x09, 0x42, 0xf5, 0x44, 0x77, 0x64, 0x15, 0x56,
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0x55, 0xbd, 0x4d, 0xa0, 0xc9, 0xaf, 0xa6, 0xdd,
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0x9b, 0x9e, 0xf5, 0x31, 0x29, 0xaf, 0x1b, 0x8f,
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0xb0, 0x19, 0x59, 0x96, 0xd2, 0xde, 0x9c, 0xa0,
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0xdf, 0x9d, 0x82, 0x1f, 0xfe, 0xe6, 0x70, 0x26,
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},
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},
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};
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/*
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* Unit test: compute the SHA384 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_sha384_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[SHA384_DIGEST_LEN];
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char *msg;
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if (vector->msg) {
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t_sha384_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_sha384_complete(msg, 1000000, digest);
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free(msg);
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}
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return (t_compare_mem(vector->digest, digest, SHA384_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_sha384_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[SHA384_DIGEST_LEN];
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sha384_ctx ctx;
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int i, len;
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sha384_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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sha384_update(&ctx, vector->msg + i, 5);
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sha384_update(&ctx, vector->msg + i, len - i);
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sha384_final(&ctx, digest);
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return (memcmp(digest, vector->digest, SHA384_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 SHA384 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_sha384_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[SHA384_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_sha384_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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/*
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* Test the carry operation on the byte counter.
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*/
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static int
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t_sha384_carry(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
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{
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sha384_ctx ctx;
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uint8_t digest[SHA384_DIGEST_LEN];
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static uint8_t expect[SHA384_DIGEST_LEN] = {
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0x04, 0xa8, 0xab, 0x2a, 0x7d, 0xe6, 0x68, 0x22,
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0xcd, 0x45, 0xfd, 0xc5, 0x41, 0x62, 0x32, 0xca,
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0x6c, 0x59, 0x92, 0x41, 0x77, 0x99, 0xca, 0xa7,
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0xe2, 0xf0, 0x28, 0x77, 0x2b, 0x33, 0xbe, 0xa0,
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0xbe, 0xee, 0x4d, 0xd1, 0x9e, 0x18, 0xc4, 0x5f,
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0x47, 0x91, 0xb3, 0xd1, 0x9c, 0x3a, 0x81, 0xfb,
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};
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sha384_init(&ctx);
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#if WITH_OPENSSL
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/* openssl counts bits */
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ctx.Nl = 0xffffffffffffff80LLU << 3LLU;
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ctx.Nh = 0xffffffffffffff80LLU >> 61LLU;
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#else
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/* cryb counts bytes and multiplies at the end */
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ctx.total[0] = 0xffffffffffffff80LLU;
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#endif
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sha384_update(&ctx, t_seq8, 256);
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sha384_final(&ctx, digest);
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return (t_compare_mem(expect, digest, SHA384_DIGEST_LEN));
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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_sha384_vectors / sizeof t_sha384_vectors[0];
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for (i = 0; i < n; ++i)
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t_add_test(t_sha384_vector, &t_sha384_vectors[i],
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t_sha384_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_sha384_short_updates, &t_sha384_vectors[4],
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"multiple short updates");
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#endif
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if (getenv("CRYB_PERFTEST")) {
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static size_t one = 1, thousand = 1000, million = 1000000;
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t_add_test(t_sha384_perf, &one,
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"performance test (1 byte)");
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t_add_test(t_sha384_perf, &thousand,
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"performance test (1,000 bytes)");
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t_add_test(t_sha384_perf, &million,
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"performance test (1,000,000 bytes)");
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}
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t_add_test(t_sha384_carry, NULL, "byte counter carry");
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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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