1 /* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
2 * Use of this source code is governed by a BSD-style license that can be
3 * found in the LICENSE file.
4 */
5
6 #include <stdint.h>
7 #include <stdio.h>
8 #include <stdlib.h>
9
10 #include "cryptolib.h"
11 #include "host_common.h"
12 #include "timer_utils.h"
13
14 #define NUM_HASH_ALGORITHMS 3
15 #define TEST_BUFFER_SIZE 4000000
16
17 /* Table of hash function pointers and their description. */
18 typedef uint8_t* (*Hashptr) (const uint8_t*, uint64_t, uint8_t*);
19 typedef struct HashFxTable {
20 Hashptr hash;
21 char* description;
22 } HashFxTable;
23
24 HashFxTable hash_functions[NUM_HASH_ALGORITHMS] = {
25 {internal_SHA1, "sha1"},
26 {internal_SHA256, "sha256"},
27 {internal_SHA512, "sha512"}
28 };
29
main(int argc,char * argv[])30 int main(int argc, char* argv[]) {
31 int i;
32 double speed;
33 uint32_t msecs;
34 uint8_t* buffer = (uint8_t*) malloc(TEST_BUFFER_SIZE);
35 uint8_t* digest = (uint8_t*) malloc(SHA512_DIGEST_SIZE); /* Maximum size of
36 * the digest. */
37 ClockTimerState ct;
38
39 /* Iterate through all the hash functions. */
40 for(i = 0; i < NUM_HASH_ALGORITHMS; i++) {
41 StartTimer(&ct);
42 hash_functions[i].hash(buffer, TEST_BUFFER_SIZE, digest);
43 StopTimer(&ct);
44
45 msecs = GetDurationMsecs(&ct);
46 speed = ((TEST_BUFFER_SIZE / 10e6)
47 / (msecs / 10e3)); /* Mbytes/sec */
48
49 fprintf(stderr, "# %s Time taken = %u ms, Speed = %f Mbytes/sec\n",
50 hash_functions[i].description, msecs, speed);
51 fprintf(stdout, "mbytes_per_sec_%s:%f\n",
52 hash_functions[i].description, speed);
53 }
54
55 free(digest);
56 free(buffer);
57 return 0;
58 }
59