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 "file_keys.h"
12 #include "host_common.h"
13 #include "timer_utils.h"
14
15 #define FILE_NAME_SIZE 128
16 #define NUM_OPERATIONS 100 /* Number of signature operations to time. */
17
SpeedTestAlgorithm(int algorithm)18 int SpeedTestAlgorithm(int algorithm) {
19 int i, key_size;
20 int error_code = 0;
21 double speed, msecs;
22 char file_name[FILE_NAME_SIZE];
23 uint8_t* digest = NULL;
24 uint8_t* signature = NULL;
25 uint64_t digest_len, sig_len;
26 RSAPublicKey* key = NULL;
27 ClockTimerState ct;
28 char* sha_strings[] = { /* Maps algorithm->SHA algorithm. */
29 "sha1", "sha256", "sha512", /* RSA-1024 */
30 "sha1", "sha256", "sha512", /* RSA-2048 */
31 "sha1", "sha256", "sha512", /* RSA-4096 */
32 "sha1", "sha256", "sha512", /* RSA-8192 */
33 };
34
35 key_size = siglen_map[algorithm] * 8; /* in bits. */
36 /* Get key. */
37 snprintf(file_name, FILE_NAME_SIZE, "testkeys/key_rsa%d.keyb", key_size);
38 key = RSAPublicKeyFromFile(file_name);
39 if (!key) {
40 VBDEBUG(("Couldn't read RSA Public key from file: %s\n", file_name));
41 error_code = 1;
42 goto failure;
43 }
44
45 /* Get expected digest. */
46 snprintf(file_name, FILE_NAME_SIZE, "testcases/test_file.%s.digest",
47 sha_strings[algorithm]);
48 digest = BufferFromFile(file_name, &digest_len);
49 if (!digest) {
50 VBDEBUG(("Couldn't read digest file.\n"));
51 error_code = 1;
52 goto failure;
53 }
54
55 /* Get signature to verify against. */
56 snprintf(file_name, FILE_NAME_SIZE, "testcases/test_file.rsa%d_%s.sig",
57 key_size, sha_strings[algorithm]);
58 signature = BufferFromFile(file_name, &sig_len);
59 if (!signature) {
60 VBDEBUG(("Couldn't read signature file.\n"));
61 error_code = 1;
62 goto failure;
63 }
64
65 StartTimer(&ct);
66 for (i = 0; i < NUM_OPERATIONS; i++) {
67 if (!RSAVerify(key, signature, sig_len, algorithm, digest))
68 VBDEBUG(("Warning: Signature Check Failed.\n"));
69 }
70 StopTimer(&ct);
71
72 msecs = (float) GetDurationMsecs(&ct) / NUM_OPERATIONS;
73 speed = 1000.0 / msecs ;
74 fprintf(stderr, "# rsa%d/%s:\tTime taken per verification = %.02f ms,"
75 " Speed = %.02f verifications/s\n", key_size, sha_strings[algorithm],
76 msecs, speed);
77 fprintf(stdout, "ms_rsa%d_%s:%.02f\n", key_size, sha_strings[algorithm],
78 msecs);
79
80 failure:
81 free(signature);
82 free(digest);
83 RSAPublicKeyFree(key);
84 return error_code;
85 }
86
main(int argc,char * argv[])87 int main(int argc, char* argv[]) {
88 int i;
89 int error_code = 0;
90 for (i = 0; i < kNumAlgorithms; ++i) {
91 if(SpeedTestAlgorithm(i))
92 error_code = 1;
93 }
94 return error_code;
95 }
96