ffmpeg/tools/crypto_bench.c

   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 }