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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/camellia.h"
79 #include "libavutil/cast5.h"
80 #include "libavutil/twofish.h"
81 
82 #define IMPL_USE_lavu IMPL_USE
83 
84 static void run_lavu_md5(uint8_t *output,
85  const uint8_t *input, unsigned size)
86 {
87  av_md5_sum(output, input, size);
88 }
89 
90 #define DEFINE_LAVU_MD(suffix, type, namespace, hsize) \
91 static void run_lavu_ ## suffix(uint8_t *output, \
92  const uint8_t *input, unsigned size) \
93 { \
94  static struct type *h; \
95  if (!h && !(h = av_ ## namespace ## _alloc())) \
96  fatal_error("out of memory"); \
97  av_ ## namespace ## _init(h, hsize); \
98  av_ ## namespace ## _update(h, input, size); \
99  av_ ## namespace ## _final(h, output); \
100 }
101 
102 DEFINE_LAVU_MD(sha1, AVSHA, sha, 160);
103 DEFINE_LAVU_MD(sha256, AVSHA, sha, 256);
104 DEFINE_LAVU_MD(sha512, AVSHA512, sha512, 512);
105 DEFINE_LAVU_MD(ripemd160, AVRIPEMD, ripemd, 160);
106 
107 static void run_lavu_aes128(uint8_t *output,
108  const uint8_t *input, unsigned size)
109 {
110  static struct AVAES *aes;
111  if (!aes && !(aes = av_aes_alloc()))
112  fatal_error("out of memory");
113  av_aes_init(aes, hardcoded_key, 128, 0);
114  av_aes_crypt(aes, output, input, size >> 4, NULL, 0);
115 }
116 
117 static void run_lavu_camellia(uint8_t *output,
118  const uint8_t *input, unsigned size)
119 {
120  static struct AVCAMELLIA *camellia;
121  if (!camellia && !(camellia = av_camellia_alloc()))
122  fatal_error("out of memory");
123  av_camellia_init(camellia, hardcoded_key, 128);
124  av_camellia_crypt(camellia, output, input, size >> 4, NULL, 0);
125 }
126 
127 static void run_lavu_cast128(uint8_t *output,
128  const uint8_t *input, unsigned size)
129 {
130  static struct AVCAST5 *cast;
131  if (!cast && !(cast = av_cast5_alloc()))
132  fatal_error("out of memory");
133  av_cast5_init(cast, hardcoded_key, 128);
134  av_cast5_crypt(cast, output, input, size >> 3, 0);
135 }
136 
137 static void run_lavu_twofish(uint8_t *output,
138  const uint8_t *input, unsigned size)
139 {
140  static struct AVTWOFISH *twofish;
141  if (!twofish && !(twofish = av_twofish_alloc()))
142  fatal_error("out of memory");
143  av_twofish_init(twofish, hardcoded_key, 128);
144  av_twofish_crypt(twofish, output, input, size >> 4, NULL, 0);
145 }
146 /***************************************************************************
147  * crypto: OpenSSL's libcrypto
148  ***************************************************************************/
149 
150 #if (USE_EXT_LIBS) & USE_crypto
151 
152 #include <openssl/md5.h>
153 #include <openssl/sha.h>
154 #include <openssl/ripemd.h>
155 #include <openssl/aes.h>
156 #include <openssl/camellia.h>
157 #include <openssl/cast.h>
158 
159 #define DEFINE_CRYPTO_WRAPPER(suffix, function) \
160 static void run_crypto_ ## suffix(uint8_t *output, \
161  const uint8_t *input, unsigned size) \
162 { \
163  function(input, size, output); \
164 }
165 
166 DEFINE_CRYPTO_WRAPPER(md5, MD5)
167 DEFINE_CRYPTO_WRAPPER(sha1, SHA1)
168 DEFINE_CRYPTO_WRAPPER(sha256, SHA256)
169 DEFINE_CRYPTO_WRAPPER(sha512, SHA512)
170 DEFINE_CRYPTO_WRAPPER(ripemd160, RIPEMD160)
171 
172 static void run_crypto_aes128(uint8_t *output,
173  const uint8_t *input, unsigned size)
174 {
175  AES_KEY aes;
176  unsigned i;
177 
178  AES_set_encrypt_key(hardcoded_key, 128, &aes);
179  size -= 15;
180  for (i = 0; i < size; i += 16)
181  AES_encrypt(input + i, output + i, &aes);
182 }
183 
184 static void run_crypto_camellia(uint8_t *output,
185  const uint8_t *input, unsigned size)
186 {
187  CAMELLIA_KEY camellia;
188  unsigned i;
189 
190  Camellia_set_key(hardcoded_key, 128, &camellia);
191  size -= 15;
192  for (i = 0; i < size; i += 16)
193  Camellia_ecb_encrypt(input + i, output + i, &camellia, 1);
194 }
195 
196 static void run_crypto_cast128(uint8_t *output,
197  const uint8_t *input, unsigned size)
198 {
199  CAST_KEY cast;
200  unsigned i;
201 
202  CAST_set_key(&cast, 16, hardcoded_key);
203  for (i = 0; i < size; i += 8)
204  CAST_ecb_encrypt(input + i, output + i, &cast, 1);
205 }
206 
207 #define IMPL_USE_crypto(...) IMPL_USE(__VA_ARGS__)
208 #else
209 #define IMPL_USE_crypto(...) /* ignore */
210 #endif
211 
212 /***************************************************************************
213  * gcrypt: GnuTLS's libgcrypt
214  ***************************************************************************/
215 
216 #if (USE_EXT_LIBS) & USE_gcrypt
217 
218 #include <gcrypt.h>
219 
220 #define DEFINE_GCRYPT_WRAPPER(suffix, algo) \
221 static void run_gcrypt_ ## suffix(uint8_t *output, \
222  const uint8_t *input, unsigned size) \
223 { \
224  gcry_md_hash_buffer(GCRY_MD_ ## algo, output, input, size); \
225 }
226 
227 DEFINE_GCRYPT_WRAPPER(md5, MD5)
228 DEFINE_GCRYPT_WRAPPER(sha1, SHA1)
229 DEFINE_GCRYPT_WRAPPER(sha256, SHA256)
230 DEFINE_GCRYPT_WRAPPER(sha512, SHA512)
231 DEFINE_GCRYPT_WRAPPER(ripemd160, RMD160)
232 
233 static void run_gcrypt_aes128(uint8_t *output,
234  const uint8_t *input, unsigned size)
235 {
236  static gcry_cipher_hd_t aes;
237  if (!aes)
238  gcry_cipher_open(&aes, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_ECB, 0);
239  gcry_cipher_setkey(aes, hardcoded_key, 16);
240  gcry_cipher_encrypt(aes, output, size, input, size);
241 }
242 
243 static void run_gcrypt_camellia(uint8_t *output,
244  const uint8_t *input, unsigned size)
245 {
246  static gcry_cipher_hd_t camellia;
247  if (!camellia)
248  gcry_cipher_open(&camellia, GCRY_CIPHER_CAMELLIA128, GCRY_CIPHER_MODE_ECB, 0);
249  gcry_cipher_setkey(camellia, hardcoded_key, 16);
250  gcry_cipher_encrypt(camellia, output, size, input, size);
251 }
252 
253 static void run_gcrypt_cast128(uint8_t *output,
254  const uint8_t *input, unsigned size)
255 {
256  static gcry_cipher_hd_t cast;
257  if (!cast)
258  gcry_cipher_open(&cast, GCRY_CIPHER_CAST5, GCRY_CIPHER_MODE_ECB, 0);
259  gcry_cipher_setkey(cast, hardcoded_key, 16);
260  gcry_cipher_encrypt(cast, output, size, input, size);
261 }
262 
263 static void run_gcrypt_twofish(uint8_t *output,
264  const uint8_t *input, unsigned size)
265 {
266  static gcry_cipher_hd_t twofish;
267  if (!twofish)
268  gcry_cipher_open(&twofish, GCRY_CIPHER_TWOFISH128, GCRY_CIPHER_MODE_ECB, 0);
269  gcry_cipher_setkey(twofish, hardcoded_key, 16);
270  gcry_cipher_encrypt(twofish, output, size, input, size);
271 }
272 
273 #define IMPL_USE_gcrypt(...) IMPL_USE(__VA_ARGS__)
274 #else
275 #define IMPL_USE_gcrypt(...) /* ignore */
276 #endif
277 
278 /***************************************************************************
279  * tomcrypt: LibTomCrypt
280  ***************************************************************************/
281 
282 #if (USE_EXT_LIBS) & USE_tomcrypt
283 
284 #include <tomcrypt.h>
285 
286 #define DEFINE_TOMCRYPT_WRAPPER(suffix, namespace, algo) \
287 static void run_tomcrypt_ ## suffix(uint8_t *output, \
288  const uint8_t *input, unsigned size) \
289 { \
290  hash_state md; \
291  namespace ## _init(&md); \
292  namespace ## _process(&md, input, size); \
293  namespace ## _done(&md, output); \
294 }
295 
296 DEFINE_TOMCRYPT_WRAPPER(md5, md5, MD5)
297 DEFINE_TOMCRYPT_WRAPPER(sha1, sha1, SHA1)
298 DEFINE_TOMCRYPT_WRAPPER(sha256, sha256, SHA256)
299 DEFINE_TOMCRYPT_WRAPPER(sha512, sha512, SHA512)
300 DEFINE_TOMCRYPT_WRAPPER(ripemd160, rmd160, RIPEMD160)
301 
302 static void run_tomcrypt_aes128(uint8_t *output,
303  const uint8_t *input, unsigned size)
304 {
305  symmetric_key aes;
306  unsigned i;
307 
308  aes_setup(hardcoded_key, 16, 0, &aes);
309  size -= 15;
310  for (i = 0; i < size; i += 16)
311  aes_ecb_encrypt(input + i, output + i, &aes);
312 }
313 
314 static void run_tomcrypt_camellia(uint8_t *output,
315  const uint8_t *input, unsigned size)
316 {
317  symmetric_key camellia;
318  unsigned i;
319 
320  camellia_setup(hardcoded_key, 16, 0, &camellia);
321  size -= 15;
322  for (i = 0; i < size; i += 16)
323  camellia_ecb_encrypt(input + i, output + i, &camellia);
324 }
325 
326 static void run_tomcrypt_cast128(uint8_t *output,
327  const uint8_t *input, unsigned size)
328 {
329  symmetric_key cast;
330  unsigned i;
331 
332  cast5_setup(hardcoded_key, 16, 0, &cast);
333  for (i = 0; i < size; i += 8)
334  cast5_ecb_encrypt(input + i, output + i, &cast);
335 }
336 
337 static void run_tomcrypt_twofish(uint8_t *output,
338  const uint8_t *input, unsigned size)
339 {
340  symmetric_key twofish;
341  unsigned i;
342 
343  twofish_setup(hardcoded_key, 16, 0, &twofish);
344  size -= 15;
345  for (i = 0; i < size; i += 16)
346  twofish_ecb_encrypt(input + i, output + i, &twofish);
347 }
348 
349 
350 #define IMPL_USE_tomcrypt(...) IMPL_USE(__VA_ARGS__)
351 #else
352 #define IMPL_USE_tomcrypt(...) /* ignore */
353 #endif
354 
355 /***************************************************************************
356  * Driver code
357  ***************************************************************************/
358 
359 static unsigned crc32(const uint8_t *data, unsigned size)
360 {
361  return av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, data, size);
362 }
363 
364 static void run_implementation(const uint8_t *input, uint8_t *output,
365  struct hash_impl *impl, unsigned size)
366 {
367  uint64_t t0, t1;
368  unsigned nruns = specified_runs ? specified_runs : (1 << 30) / size;
369  unsigned outlen = 0, outcrc = 0;
370  unsigned i, j, val;
371  double mtime, ttime = 0, ttime2 = 0, stime;
372  uint8_t outref[MAX_OUTPUT_SIZE];
373 
374  if (enabled_libs && !av_stristr(enabled_libs, impl->lib) ||
375  enabled_algos && !av_stristr(enabled_algos, impl->name))
376  return;
377  if (!sscanf(impl->output, "crc:%x", &outcrc)) {
378  outlen = strlen(impl->output) / 2;
379  for (i = 0; i < outlen; i++) {
380  sscanf(impl->output + i * 2, "%02x", &val);
381  outref[i] = val;
382  }
383  }
384  for (i = 0; i < 8; i++) /* heat caches */
385  impl->run(output, input, size);
386  for (i = 0; i < nruns; i++) {
387  memset(output, 0, size); /* avoid leftovers from previous runs */
388  t0 = AV_READ_TIME();
389  impl->run(output, input, size);
390  t1 = AV_READ_TIME();
391  if (outlen ? memcmp(output, outref, outlen) :
392  crc32(output, size) != outcrc) {
393  fprintf(stderr, "Expected: ");
394  if (outlen)
395  for (j = 0; j < outlen; j++)
396  fprintf(stderr, "%02x", output[j]);
397  else
398  fprintf(stderr, "%08x", crc32(output, size));
399  fprintf(stderr, "\n");
400  fatal_error("output mismatch");
401  }
402  mtime = (double)(t1 - t0) / size;
403  ttime += mtime;
404  ttime2 += mtime * mtime;
405  }
406 
407  ttime /= nruns;
408  ttime2 /= nruns;
409  stime = sqrt(ttime2 - ttime * ttime);
410  printf("%-10s %-12s size: %7d runs: %6d time: %8.3f +- %.3f\n",
411  impl->lib, impl->name, size, nruns, ttime, stime);
412  fflush(stdout);
413 }
414 
415 #define IMPL_USE(lib, name, symbol, output) \
416  { #lib, name, run_ ## lib ## _ ## symbol, output },
417 #define IMPL(lib, ...) IMPL_USE_ ## lib(lib, __VA_ARGS__)
418 #define IMPL_ALL(...) \
419  IMPL(lavu, __VA_ARGS__) \
420  IMPL(crypto, __VA_ARGS__) \
421  IMPL(gcrypt, __VA_ARGS__) \
422  IMPL(tomcrypt, __VA_ARGS__)
423 
424 struct hash_impl implementations[] = {
425  IMPL_ALL("MD5", md5, "aa26ff5b895356bcffd9292ba9f89e66")
426  IMPL_ALL("SHA-1", sha1, "1fd8bd1fa02f5b0fe916b0d71750726b096c5744")
427  IMPL_ALL("SHA-256", sha256, "14028ac673b3087e51a1d407fbf0df4deeec8f217119e13b07bf2138f93db8c5")
428  IMPL_ALL("SHA-512", sha512, "3afdd44a80d99af15c87bd724cb717243193767835ce866dd5d58c02d674bb57"
429  "7c25b9e118c200a189fcd5a01ef106a4e200061f3e97dbf50ba065745fd46bef")
430  IMPL_ALL("RIPEMD-160", ripemd160, "62a5321e4fc8784903bb43ab7752c75f8b25af00")
431  IMPL_ALL("AES-128", aes128, "crc:ff6bc888")
432  IMPL_ALL("CAMELLIA", camellia, "crc:7abb59a7")
433  IMPL_ALL("CAST-128", cast128, "crc:456aa584")
434  IMPL(lavu, "TWOFISH", twofish, "crc:9edbd5c1")
435  IMPL(gcrypt, "TWOFISH", twofish, "crc:9edbd5c1")
436  IMPL(tomcrypt, "TWOFISH", twofish, "crc:9edbd5c1")
437 };
438 
439 int main(int argc, char **argv)
440 {
441  uint8_t *input = av_malloc(MAX_INPUT_SIZE * 2);
442  uint8_t *output = input + MAX_INPUT_SIZE;
443  unsigned i, impl, size;
444  int opt;
445 
446  while ((opt = getopt(argc, argv, "hl:a:r:")) != -1) {
447  switch (opt) {
448  case 'l':
449  enabled_libs = optarg;
450  break;
451  case 'a':
452  enabled_algos = optarg;
453  break;
454  case 'r':
455  specified_runs = strtol(optarg, NULL, 0);
456  break;
457  case 'h':
458  default:
459  fprintf(stderr, "Usage: %s [-l libs] [-a algos] [-r runs]\n",
460  argv[0]);
461  if ((USE_EXT_LIBS)) {
462  char buf[1024];
463  snprintf(buf, sizeof(buf), "%s%s%s",
464  ((USE_EXT_LIBS) & USE_crypto) ? "+crypto" : "",
465  ((USE_EXT_LIBS) & USE_gcrypt) ? "+gcrypt" : "",
466  ((USE_EXT_LIBS) & USE_tomcrypt) ? "+tomcrypt" : "");
467  fprintf(stderr, "Built with the following external libraries:\n"
468  "make VERSUS=%s\n", buf + 1);
469  } else {
470  fprintf(stderr, "Built without external libraries; use\n"
471  "make VERSUS=crypto+gcrypt+tomcrypt tools/crypto_bench\n"
472  "to enable them.\n");
473  }
474  exit(opt != 'h');
475  }
476  }
477 
478  if (!input)
479  fatal_error("out of memory");
480  for (i = 0; i < MAX_INPUT_SIZE; i += 4)
481  AV_WB32(input + i, i);
482 
483  size = MAX_INPUT_SIZE;
484  for (impl = 0; impl < FF_ARRAY_ELEMS(implementations); impl++)
485  run_implementation(input, output, &implementations[impl], size);
486 
487  av_free(input);
488 
489  return 0;
490 }
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