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crypto_bench.c
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1 /*
2  * Copyright (c) 2013 Nicolas George
3  *
4  * This file is part of FFmpeg.
5  *
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.
10  *
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.
15  *
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
19  */
20 
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 */
26 
27 #include <stdlib.h>
28 #include <math.h>
29 
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"
35 
36 #ifndef AV_READ_TIME
37 #define AV_READ_TIME(x) 0
38 #endif
39 
40 #if HAVE_UNISTD_H
41 #include <unistd.h> /* for getopt */
42 #endif
43 #if !HAVE_GETOPT
44 #include "compat/getopt.c"
45 #endif
46 
47 #define MAX_INPUT_SIZE 1048576
48 #define MAX_OUTPUT_SIZE 128
49 
50 static const char *enabled_libs;
51 static const char *enabled_algos;
52 static unsigned specified_runs;
53 
54 static const uint8_t *hardcoded_key = "FFmpeg is the best program ever.";
55 
56 static void fatal_error(const char *tag)
57 {
58  av_log(NULL, AV_LOG_ERROR, "Fatal error: %s\n", tag);
59  exit(1);
60 }
61 
62 struct hash_impl {
63  const char *lib;
64  const char *name;
65  void (*run)(uint8_t *output, const uint8_t *input, unsigned size);
66  const char *output;
67 };
68 
69 /***************************************************************************
70  * lavu: libavutil
71  ***************************************************************************/
72 
73 #include "libavutil/md5.h"
74 #include "libavutil/sha.h"
75 #include "libavutil/sha512.h"
76 #include "libavutil/ripemd.h"
77 #include "libavutil/aes.h"
78 #include "libavutil/cast5.h"
79 
80 #define IMPL_USE_lavu IMPL_USE
81 
82 static void run_lavu_md5(uint8_t *output,
83  const uint8_t *input, unsigned size)
84 {
85  av_md5_sum(output, input, size);
86 }
87 
88 #define DEFINE_LAVU_MD(suffix, type, namespace, hsize) \
89 static void run_lavu_ ## suffix(uint8_t *output, \
90  const uint8_t *input, unsigned size) \
91 { \
92  static struct type *h; \
93  if (!h && !(h = av_ ## namespace ## _alloc())) \
94  fatal_error("out of memory"); \
95  av_ ## namespace ## _init(h, hsize); \
96  av_ ## namespace ## _update(h, input, size); \
97  av_ ## namespace ## _final(h, output); \
98 }
99 
100 DEFINE_LAVU_MD(sha1, AVSHA, sha, 160);
101 DEFINE_LAVU_MD(sha256, AVSHA, sha, 256);
102 DEFINE_LAVU_MD(sha512, AVSHA512, sha512, 512);
103 DEFINE_LAVU_MD(ripemd160, AVRIPEMD, ripemd, 160);
104 
105 static void run_lavu_aes128(uint8_t *output,
106  const uint8_t *input, unsigned size)
107 {
108  static struct AVAES *aes;
109  if (!aes && !(aes = av_aes_alloc()))
110  fatal_error("out of memory");
111  av_aes_init(aes, hardcoded_key, 128, 0);
112  av_aes_crypt(aes, output, input, size >> 4, NULL, 0);
113 }
114 
115 static void run_lavu_cast128(uint8_t *output,
116  const uint8_t *input, unsigned size)
117 {
118  static struct AVCAST5 *cast;
119  if (!cast && !(cast = av_cast5_alloc()))
120  fatal_error("out of memory");
121  av_cast5_init(cast, hardcoded_key, 128);
122  av_cast5_crypt(cast, output, input, size >> 3, 0);
123 }
124 
125 /***************************************************************************
126  * crypto: OpenSSL's libcrypto
127  ***************************************************************************/
128 
129 #if (USE_EXT_LIBS) & USE_crypto
130 
131 #include <openssl/md5.h>
132 #include <openssl/sha.h>
133 #include <openssl/ripemd.h>
134 #include <openssl/aes.h>
135 #include <openssl/cast.h>
136 
137 #define DEFINE_CRYPTO_WRAPPER(suffix, function) \
138 static void run_crypto_ ## suffix(uint8_t *output, \
139  const uint8_t *input, unsigned size) \
140 { \
141  function(input, size, output); \
142 }
143 
144 DEFINE_CRYPTO_WRAPPER(md5, MD5)
145 DEFINE_CRYPTO_WRAPPER(sha1, SHA1)
146 DEFINE_CRYPTO_WRAPPER(sha256, SHA256)
147 DEFINE_CRYPTO_WRAPPER(sha512, SHA512)
148 DEFINE_CRYPTO_WRAPPER(ripemd160, RIPEMD160)
149 
150 static void run_crypto_aes128(uint8_t *output,
151  const uint8_t *input, unsigned size)
152 {
153  AES_KEY aes;
154  unsigned i;
155 
156  AES_set_encrypt_key(hardcoded_key, 128, &aes);
157  size -= 15;
158  for (i = 0; i < size; i += 16)
159  AES_encrypt(input + i, output + i, &aes);
160 }
161 
162 static void run_crypto_cast128(uint8_t *output,
163  const uint8_t *input, unsigned size)
164 {
165  CAST_KEY cast;
166  unsigned i;
167 
168  CAST_set_key(&cast, 16, hardcoded_key);
169  for (i = 0; i < size; i += 8)
170  CAST_ecb_encrypt(input + i, output + i, &cast, 1);
171 }
172 
173 #define IMPL_USE_crypto(...) IMPL_USE(__VA_ARGS__)
174 #else
175 #define IMPL_USE_crypto(...) /* ignore */
176 #endif
177 
178 /***************************************************************************
179  * gcrypt: GnuTLS's libgcrypt
180  ***************************************************************************/
181 
182 #if (USE_EXT_LIBS) & USE_gcrypt
183 
184 #include <gcrypt.h>
185 
186 #define DEFINE_GCRYPT_WRAPPER(suffix, algo) \
187 static void run_gcrypt_ ## suffix(uint8_t *output, \
188  const uint8_t *input, unsigned size) \
189 { \
190  gcry_md_hash_buffer(GCRY_MD_ ## algo, output, input, size); \
191 }
192 
193 DEFINE_GCRYPT_WRAPPER(md5, MD5)
194 DEFINE_GCRYPT_WRAPPER(sha1, SHA1)
195 DEFINE_GCRYPT_WRAPPER(sha256, SHA256)
196 DEFINE_GCRYPT_WRAPPER(sha512, SHA512)
197 DEFINE_GCRYPT_WRAPPER(ripemd160, RMD160)
198 
199 static void run_gcrypt_aes128(uint8_t *output,
200  const uint8_t *input, unsigned size)
201 {
202  static gcry_cipher_hd_t aes;
203  if (!aes)
204  gcry_cipher_open(&aes, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_ECB, 0);
205  gcry_cipher_setkey(aes, hardcoded_key, 16);
206  gcry_cipher_encrypt(aes, output, size, input, size);
207 }
208 
209 static void run_gcrypt_cast128(uint8_t *output,
210  const uint8_t *input, unsigned size)
211 {
212  static gcry_cipher_hd_t cast;
213  if (!cast)
214  gcry_cipher_open(&cast, GCRY_CIPHER_CAST5, GCRY_CIPHER_MODE_ECB, 0);
215  gcry_cipher_setkey(cast, hardcoded_key, 16);
216  gcry_cipher_encrypt(cast, output, size, input, size);
217 }
218 
219 #define IMPL_USE_gcrypt(...) IMPL_USE(__VA_ARGS__)
220 #else
221 #define IMPL_USE_gcrypt(...) /* ignore */
222 #endif
223 
224 /***************************************************************************
225  * tomcrypt: LibTomCrypt
226  ***************************************************************************/
227 
228 #if (USE_EXT_LIBS) & USE_tomcrypt
229 
230 #include <tomcrypt.h>
231 
232 #define DEFINE_TOMCRYPT_WRAPPER(suffix, namespace, algo) \
233 static void run_tomcrypt_ ## suffix(uint8_t *output, \
234  const uint8_t *input, unsigned size) \
235 { \
236  hash_state md; \
237  namespace ## _init(&md); \
238  namespace ## _process(&md, input, size); \
239  namespace ## _done(&md, output); \
240 }
241 
242 DEFINE_TOMCRYPT_WRAPPER(md5, md5, MD5)
243 DEFINE_TOMCRYPT_WRAPPER(sha1, sha1, SHA1)
244 DEFINE_TOMCRYPT_WRAPPER(sha256, sha256, SHA256)
245 DEFINE_TOMCRYPT_WRAPPER(sha512, sha512, SHA512)
246 DEFINE_TOMCRYPT_WRAPPER(ripemd160, rmd160, RIPEMD160)
247 
248 static void run_tomcrypt_aes128(uint8_t *output,
249  const uint8_t *input, unsigned size)
250 {
251  symmetric_key aes;
252  unsigned i;
253 
254  aes_setup(hardcoded_key, 16, 0, &aes);
255  size -= 15;
256  for (i = 0; i < size; i += 16)
257  aes_ecb_encrypt(input + i, output + i, &aes);
258 }
259 
260 static void run_tomcrypt_cast128(uint8_t *output,
261  const uint8_t *input, unsigned size)
262 {
263  symmetric_key cast;
264  unsigned i;
265 
266  cast5_setup(hardcoded_key, 16, 0, &cast);
267  for (i = 0; i < size; i += 8)
268  cast5_ecb_encrypt(input + i, output + i, &cast);
269 }
270 
271 #define IMPL_USE_tomcrypt(...) IMPL_USE(__VA_ARGS__)
272 #else
273 #define IMPL_USE_tomcrypt(...) /* ignore */
274 #endif
275 
276 /***************************************************************************
277  * Driver code
278  ***************************************************************************/
279 
280 static unsigned crc32(const uint8_t *data, unsigned size)
281 {
282  return av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, data, size);
283 }
284 
285 static void run_implementation(const uint8_t *input, uint8_t *output,
286  struct hash_impl *impl, unsigned size)
287 {
288  uint64_t t0, t1;
289  unsigned nruns = specified_runs ? specified_runs : (1 << 30) / size;
290  unsigned outlen = 0, outcrc = 0;
291  unsigned i, j, val;
292  double mtime, ttime = 0, ttime2 = 0, stime;
293  uint8_t outref[MAX_OUTPUT_SIZE];
294 
295  if (enabled_libs && !av_stristr(enabled_libs, impl->lib) ||
296  enabled_algos && !av_stristr(enabled_algos, impl->name))
297  return;
298  if (!sscanf(impl->output, "crc:%x", &outcrc)) {
299  outlen = strlen(impl->output) / 2;
300  for (i = 0; i < outlen; i++) {
301  sscanf(impl->output + i * 2, "%02x", &val);
302  outref[i] = val;
303  }
304  }
305  for (i = 0; i < 8; i++) /* heat caches */
306  impl->run(output, input, size);
307  for (i = 0; i < nruns; i++) {
308  memset(output, 0, size); /* avoid leftovers from previous runs */
309  t0 = AV_READ_TIME();
310  impl->run(output, input, size);
311  t1 = AV_READ_TIME();
312  if (outlen ? memcmp(output, outref, outlen) :
313  crc32(output, size) != outcrc) {
314  fprintf(stderr, "Expected: ");
315  if (outlen)
316  for (j = 0; j < outlen; j++)
317  fprintf(stderr, "%02x", output[j]);
318  else
319  fprintf(stderr, "%08x", crc32(output, size));
320  fprintf(stderr, "\n");
321  fatal_error("output mismatch");
322  }
323  mtime = (double)(t1 - t0) / size;
324  ttime += mtime;
325  ttime2 += mtime * mtime;
326  }
327 
328  ttime /= nruns;
329  ttime2 /= nruns;
330  stime = sqrt(ttime2 - ttime * ttime);
331  printf("%-10s %-12s size: %7d runs: %6d time: %8.3f +- %.3f\n",
332  impl->lib, impl->name, size, nruns, ttime, stime);
333  fflush(stdout);
334 }
335 
336 #define IMPL_USE(lib, name, symbol, output) \
337  { #lib, name, run_ ## lib ## _ ## symbol, output },
338 #define IMPL(lib, ...) IMPL_USE_ ## lib(lib, __VA_ARGS__)
339 #define IMPL_ALL(...) \
340  IMPL(lavu, __VA_ARGS__) \
341  IMPL(crypto, __VA_ARGS__) \
342  IMPL(gcrypt, __VA_ARGS__) \
343  IMPL(tomcrypt, __VA_ARGS__)
344 
345 struct hash_impl implementations[] = {
346  IMPL_ALL("MD5", md5, "aa26ff5b895356bcffd9292ba9f89e66")
347  IMPL_ALL("SHA-1", sha1, "1fd8bd1fa02f5b0fe916b0d71750726b096c5744")
348  IMPL_ALL("SHA-256", sha256, "14028ac673b3087e51a1d407fbf0df4deeec8f217119e13b07bf2138f93db8c5")
349  IMPL_ALL("SHA-512", sha512, "3afdd44a80d99af15c87bd724cb717243193767835ce866dd5d58c02d674bb57"
350  "7c25b9e118c200a189fcd5a01ef106a4e200061f3e97dbf50ba065745fd46bef")
351  IMPL_ALL("RIPEMD-160", ripemd160, "62a5321e4fc8784903bb43ab7752c75f8b25af00")
352  IMPL_ALL("AES-128", aes128, "crc:ff6bc888")
353  IMPL_ALL("CAST-128", cast128, "crc:456aa584")
354 };
355 
356 int main(int argc, char **argv)
357 {
358  uint8_t *input = av_malloc(MAX_INPUT_SIZE * 2);
359  uint8_t *output = input + MAX_INPUT_SIZE;
360  unsigned i, impl, size;
361  int opt;
362 
363  while ((opt = getopt(argc, argv, "hl:a:r:")) != -1) {
364  switch (opt) {
365  case 'l':
366  enabled_libs = optarg;
367  break;
368  case 'a':
369  enabled_algos = optarg;
370  break;
371  case 'r':
372  specified_runs = strtol(optarg, NULL, 0);
373  break;
374  case 'h':
375  default:
376  fprintf(stderr, "Usage: %s [-l libs] [-a algos] [-r runs]\n",
377  argv[0]);
378  if ((USE_EXT_LIBS)) {
379  char buf[1024];
380  snprintf(buf, sizeof(buf), "%s%s%s",
381  ((USE_EXT_LIBS) & USE_crypto) ? "+crypto" : "",
382  ((USE_EXT_LIBS) & USE_gcrypt) ? "+gcrypt" : "",
383  ((USE_EXT_LIBS) & USE_tomcrypt) ? "+tomcrypt" : "");
384  fprintf(stderr, "Built with the following external libraries:\n"
385  "make VERSUS=%s\n", buf + 1);
386  } else {
387  fprintf(stderr, "Built without external libraries; use\n"
388  "make VERSUS=crypto+gcrypt+tomcrypt tools/crypto_bench\n"
389  "to enable them.\n");
390  }
391  exit(opt != 'h');
392  }
393  }
394 
395  if (!input)
396  fatal_error("out of memory");
397  for (i = 0; i < MAX_INPUT_SIZE; i += 4)
398  AV_WB32(input + i, i);
399 
400  size = MAX_INPUT_SIZE;
401  for (impl = 0; impl < FF_ARRAY_ELEMS(implementations); impl++)
402  run_implementation(input, output, &implementations[impl], size);
403 
404  av_free(input);
405 
406  return 0;
407 }
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