2 * Copyright (c) 2013 Nicolas George
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with FFmpeg; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 /* Optional external libraries; can be enabled using:
22 * make VERSUS=crypto+gcrypt+tomcrypt tools/crypto_bench */
23 #define USE_crypto 0x01 /* OpenSSL's libcrypto */
24 #define USE_gcrypt 0x02 /* GnuTLS's libgcrypt */
25 #define USE_tomcrypt 0x04 /* LibTomCrypt */
30 #include "libavutil/avutil.h"
31 #include "libavutil/avstring.h"
32 #include "libavutil/crc.h"
33 #include "libavutil/intreadwrite.h"
34 #include "libavutil/timer.h"
37 #include <unistd.h> /* for getopt */
40 #include "compat/getopt.c"
43 #define MAX_INPUT_SIZE 1048576
44 #define MAX_OUTPUT_SIZE 128
46 static const char *enabled_libs;
47 static const char *enabled_algos;
48 static unsigned specified_runs;
50 static const uint8_t *hardcoded_key = "FFmpeg is the best program ever.";
52 static void fatal_error(const char *tag)
54 av_log(NULL, AV_LOG_ERROR, "Fatal error: %s\n", tag);
61 void (*run)(uint8_t *output, const uint8_t *input, unsigned size);
65 /***************************************************************************
67 ***************************************************************************/
69 #include "libavutil/md5.h"
70 #include "libavutil/sha.h"
71 #include "libavutil/sha512.h"
72 #include "libavutil/ripemd.h"
73 #include "libavutil/aes.h"
75 #define IMPL_USE_lavu IMPL_USE
77 static void run_lavu_md5(uint8_t *output,
78 const uint8_t *input, unsigned size)
80 av_md5_sum(output, input, size);
83 #define DEFINE_LAVU_MD(suffix, type, namespace, hsize) \
84 static void run_lavu_ ## suffix(uint8_t *output, \
85 const uint8_t *input, unsigned size) \
87 static struct type *h; \
88 if (!h && !(h = av_ ## namespace ## _alloc())) \
89 fatal_error("out of memory"); \
90 av_ ## namespace ## _init(h, hsize); \
91 av_ ## namespace ## _update(h, input, size); \
92 av_ ## namespace ## _final(h, output); \
95 DEFINE_LAVU_MD(sha1, AVSHA, sha, 160);
96 DEFINE_LAVU_MD(sha256, AVSHA, sha, 256);
97 DEFINE_LAVU_MD(sha512, AVSHA512, sha512, 512);
98 DEFINE_LAVU_MD(ripemd160, AVRIPEMD, ripemd, 160);
100 static void run_lavu_aes128(uint8_t *output,
101 const uint8_t *input, unsigned size)
103 static struct AVAES *aes;
104 if (!aes && !(aes = av_aes_alloc()))
105 fatal_error("out of memory");
106 av_aes_init(aes, hardcoded_key, 128, 0);
107 av_aes_crypt(aes, output, input, size >> 4, NULL, 0);
110 /***************************************************************************
111 * crypto: OpenSSL's libcrypto
112 ***************************************************************************/
114 #if (USE_EXT_LIBS) & USE_crypto
116 #include <openssl/md5.h>
117 #include <openssl/sha.h>
118 #include <openssl/ripemd.h>
119 #include <openssl/aes.h>
121 #define DEFINE_CRYPTO_WRAPPER(suffix, function) \
122 static void run_crypto_ ## suffix(uint8_t *output, \
123 const uint8_t *input, unsigned size) \
125 function(input, size, output); \
128 DEFINE_CRYPTO_WRAPPER(md5, MD5)
129 DEFINE_CRYPTO_WRAPPER(sha1, SHA1)
130 DEFINE_CRYPTO_WRAPPER(sha256, SHA256)
131 DEFINE_CRYPTO_WRAPPER(sha512, SHA512)
132 DEFINE_CRYPTO_WRAPPER(ripemd160, RIPEMD160)
134 static void run_crypto_aes128(uint8_t *output,
135 const uint8_t *input, unsigned size)
140 AES_set_encrypt_key(hardcoded_key, 128, &aes);
142 for (i = 0; i < size; i += 16)
143 AES_encrypt(input + i, output + i, &aes);
146 #define IMPL_USE_crypto(...) IMPL_USE(__VA_ARGS__)
148 #define IMPL_USE_crypto(...) /* ignore */
151 /***************************************************************************
152 * gcrypt: GnuTLS's libgcrypt
153 ***************************************************************************/
155 #if (USE_EXT_LIBS) & USE_gcrypt
159 #define DEFINE_GCRYPT_WRAPPER(suffix, algo) \
160 static void run_gcrypt_ ## suffix(uint8_t *output, \
161 const uint8_t *input, unsigned size) \
163 gcry_md_hash_buffer(GCRY_MD_ ## algo, output, input, size); \
166 DEFINE_GCRYPT_WRAPPER(md5, MD5)
167 DEFINE_GCRYPT_WRAPPER(sha1, SHA1)
168 DEFINE_GCRYPT_WRAPPER(sha256, SHA256)
169 DEFINE_GCRYPT_WRAPPER(sha512, SHA512)
170 DEFINE_GCRYPT_WRAPPER(ripemd160, RMD160)
172 static void run_gcrypt_aes128(uint8_t *output,
173 const uint8_t *input, unsigned size)
175 static gcry_cipher_hd_t aes;
177 gcry_cipher_open(&aes, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_ECB, 0);
178 gcry_cipher_setkey(aes, hardcoded_key, 16);
179 gcry_cipher_encrypt(aes, output, size, input, size);
182 #define IMPL_USE_gcrypt(...) IMPL_USE(__VA_ARGS__)
184 #define IMPL_USE_gcrypt(...) /* ignore */
187 /***************************************************************************
188 * tomcrypt: LibTomCrypt
189 ***************************************************************************/
191 #if (USE_EXT_LIBS) & USE_tomcrypt
193 #include <tomcrypt.h>
195 #define DEFINE_TOMCRYPT_WRAPPER(suffix, namespace, algo) \
196 static void run_tomcrypt_ ## suffix(uint8_t *output, \
197 const uint8_t *input, unsigned size) \
200 namespace ## _init(&md); \
201 namespace ## _process(&md, input, size); \
202 namespace ## _done(&md, output); \
205 DEFINE_TOMCRYPT_WRAPPER(md5, md5, MD5)
206 DEFINE_TOMCRYPT_WRAPPER(sha1, sha1, SHA1)
207 DEFINE_TOMCRYPT_WRAPPER(sha256, sha256, SHA256)
208 DEFINE_TOMCRYPT_WRAPPER(sha512, sha512, SHA512)
209 DEFINE_TOMCRYPT_WRAPPER(ripemd160, rmd160, RIPEMD160)
211 static void run_tomcrypt_aes128(uint8_t *output,
212 const uint8_t *input, unsigned size)
217 aes_setup(hardcoded_key, 16, 0, &aes);
219 for (i = 0; i < size; i += 16)
220 aes_ecb_encrypt(input + i, output + i, &aes);
223 #define IMPL_USE_tomcrypt(...) IMPL_USE(__VA_ARGS__)
225 #define IMPL_USE_tomcrypt(...) /* ignore */
228 /***************************************************************************
230 ***************************************************************************/
232 static unsigned crc32(const uint8_t *data, unsigned size)
234 return av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, data, size);
237 static void run_implementation(const uint8_t *input, uint8_t *output,
238 struct hash_impl *impl, unsigned size)
241 unsigned nruns = specified_runs ? specified_runs : (1 << 30) / size;
242 unsigned outlen = 0, outcrc = 0;
244 double mtime, ttime = 0, ttime2 = 0, stime;
245 uint8_t outref[MAX_OUTPUT_SIZE];
247 if (enabled_libs && !av_stristr(enabled_libs, impl->lib) ||
248 enabled_algos && !av_stristr(enabled_algos, impl->name))
250 if (!sscanf(impl->output, "crc:%x", &outcrc)) {
251 outlen = strlen(impl->output) / 2;
252 for (i = 0; i < outlen; i++) {
253 sscanf(impl->output + i * 2, "%02x", &val);
257 for (i = 0; i < 8; i++) /* heat caches */
258 impl->run(output, input, size);
259 for (i = 0; i < nruns; i++) {
260 memset(output, 0, size); /* avoid leftovers from previous runs */
262 impl->run(output, input, size);
264 if (outlen ? memcmp(output, outref, outlen) :
265 crc32(output, size) != outcrc) {
266 fprintf(stderr, "Expected: ");
268 for (j = 0; j < outlen; j++)
269 fprintf(stderr, "%02x", output[j]);
271 fprintf(stderr, "%08x", crc32(output, size));
272 fprintf(stderr, "\n");
273 fatal_error("output mismatch");
275 mtime = (double)(t1 - t0) / size;
277 ttime2 += mtime * mtime;
282 stime = sqrt(ttime2 - ttime * ttime);
283 printf("%-10s %-12s size: %7d runs: %6d time: %8.3f +- %.3f\n",
284 impl->lib, impl->name, size, nruns, ttime, stime);
288 #define IMPL_USE(lib, name, symbol, output) \
289 { #lib, name, run_ ## lib ## _ ## symbol, output },
290 #define IMPL(lib, ...) IMPL_USE_ ## lib(lib, __VA_ARGS__)
291 #define IMPL_ALL(...) \
292 IMPL(lavu, __VA_ARGS__) \
293 IMPL(crypto, __VA_ARGS__) \
294 IMPL(gcrypt, __VA_ARGS__) \
295 IMPL(tomcrypt, __VA_ARGS__)
297 struct hash_impl implementations[] = {
298 IMPL_ALL("MD5", md5, "aa26ff5b895356bcffd9292ba9f89e66")
299 IMPL_ALL("SHA-1", sha1, "1fd8bd1fa02f5b0fe916b0d71750726b096c5744")
300 IMPL_ALL("SHA-256", sha256, "14028ac673b3087e51a1d407fbf0df4deeec8f217119e13b07bf2138f93db8c5")
301 IMPL_ALL("SHA-512", sha512, "3afdd44a80d99af15c87bd724cb717243193767835ce866dd5d58c02d674bb57"
302 "7c25b9e118c200a189fcd5a01ef106a4e200061f3e97dbf50ba065745fd46bef")
303 IMPL_ALL("RIPEMD-160", ripemd160, "62a5321e4fc8784903bb43ab7752c75f8b25af00")
304 IMPL_ALL("AES-128", aes128, "crc:ff6bc888")
307 int main(int argc, char **argv)
309 uint8_t *input = av_malloc(MAX_INPUT_SIZE * 2);
310 uint8_t *output = input + MAX_INPUT_SIZE;
311 unsigned i, impl, size;
314 while ((opt = getopt(argc, argv, "hl:a:r:")) != -1) {
317 enabled_libs = optarg;
320 enabled_algos = optarg;
323 specified_runs = strtol(optarg, NULL, 0);
327 fprintf(stderr, "Usage: %s [-l libs] [-a algos] [-r runs]\n",
329 if ((USE_EXT_LIBS)) {
331 snprintf(buf, sizeof(buf), "%s%s%s",
332 ((USE_EXT_LIBS) & USE_crypto) ? "+crypto" : "",
333 ((USE_EXT_LIBS) & USE_gcrypt) ? "+gcrypt" : "",
334 ((USE_EXT_LIBS) & USE_tomcrypt) ? "+tomcrypt" : "");
335 fprintf(stderr, "Built with the following external libraries:\n"
336 "make VERSUS=%s\n", buf + 1);
338 fprintf(stderr, "Built without external libraries; use\n"
339 "make VERSUS=crypto+gcrypt+tomcrypt tools/crypto_bench\n"
340 "to enable them.\n");
347 fatal_error("out of memory");
348 for (i = 0; i < MAX_INPUT_SIZE; i += 4)
349 AV_WB32(input + i, i);
351 size = MAX_INPUT_SIZE;
352 for (impl = 0; impl < FF_ARRAY_ELEMS(implementations); impl++)
353 run_implementation(input, output, &implementations[impl], size);