crypto/tcrypt.c

   1 /*
   2  * Quick & dirty crypto testing module.
   3  *
   4  * This will only exist until we have a better testing mechanism
   5  * (e.g. a char device).
   6  *
   7  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
   8  * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
   9  * Copyright (c) 2007 Nokia Siemens Networks
  10  *
  11  * This program is free software; you can redistribute it and/or modify it
  12  * under the terms of the GNU General Public License as published by the Free
  13  * Software Foundation; either version 2 of the License, or (at your option)
  14  * any later version.
  15  *
  16  */
  17
  18 #include <crypto/hash.h>
  19 #include <linux/err.h>
  20 #include <linux/init.h>
  21 #include <linux/module.h>
  22 #include <linux/slab.h>
  23 #include <linux/scatterlist.h>
  24 #include <linux/string.h>
  25 #include <linux/moduleparam.h>
  26 #include <linux/jiffies.h>
  27 #include <linux/timex.h>
  28 #include <linux/interrupt.h>
  29 #include "tcrypt.h"
  30
  31 /*
  32  * Need slab memory for testing (size in number of pages).
  33  */
  34 #define TVMEMSIZE       4
  35
  36 /*
  37 * Used by test_cipher_speed()
  38 */
  39 #define ENCRYPT 1
  40 #define DECRYPT 0
  41
  42 /*
  43  * Used by test_cipher_speed()
  44  */
  45 static unsigned int sec;
  46
  47 static int mode;
  48 static char *tvmem[TVMEMSIZE];
  49
  50 static char *check[] = {
  51         "des", "md5", "des3_ede", "rot13", "sha1", "sha224", "sha256",
  52         "blowfish", "twofish", "serpent", "sha384", "sha512", "md4", "aes",
  53         "cast6", "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
  54         "khazad", "wp512", "wp384", "wp256", "tnepres", "xeta",  "fcrypt",
  55         "camellia", "seed", "salsa20", "rmd128", "rmd160", "rmd256", "rmd320",
  56         "lzo", "cts", "zlib", NULL
  57 };
  58
  59 static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc,
  60                                struct scatterlist *sg, int blen, int sec)
  61 {
  62         unsigned long start, end;
  63         int bcount;
  64         int ret;
  65
  66         for (start = jiffies, end = start + sec * HZ, bcount = 0;
  67              time_before(jiffies, end); bcount++) {
  68                 if (enc)
  69                         ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
  70                 else
  71                         ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
  72
  73                 if (ret)
  74                         return ret;
  75         }
  76
  77         printk("%d operations in %d seconds (%ld bytes)\n",
  78                bcount, sec, (long)bcount * blen);
  79         return 0;
  80 }
  81
  82 static int test_cipher_cycles(struct blkcipher_desc *desc, int enc,
  83                               struct scatterlist *sg, int blen)
  84 {
  85         unsigned long cycles = 0;
  86         int ret = 0;
  87         int i;
  88
  89         local_bh_disable();
  90         local_irq_disable();
  91
  92         /* Warm-up run. */
  93         for (i = 0; i < 4; i++) {
  94                 if (enc)
  95                         ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
  96                 else
  97                         ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
  98
  99                 if (ret)
 100                         goto out;
 101         }
 102
 103         /* The real thing. */
 104         for (i = 0; i < 8; i++) {
 105                 cycles_t start, end;
 106
 107                 start = get_cycles();
 108                 if (enc)
 109                         ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
 110                 else
 111                         ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
 112                 end = get_cycles();
 113
 114                 if (ret)
 115                         goto out;
 116
 117                 cycles += end - start;
 118         }
 119
 120 out:
 121         local_irq_enable();
 122         local_bh_enable();
 123
 124         if (ret == 0)
 125                 printk("1 operation in %lu cycles (%d bytes)\n",
 126                        (cycles + 4) / 8, blen);
 127
 128         return ret;
 129 }
 130
 131 static u32 block_sizes[] = { 16, 64, 256, 1024, 8192, 0 };
 132
 133 static void test_cipher_speed(const char *algo, int enc, unsigned int sec,
 134                               struct cipher_speed_template *template,
 135                               unsigned int tcount, u8 *keysize)
 136 {
 137         unsigned int ret, i, j, iv_len;
 138         const char *key, iv[128];
 139         struct crypto_blkcipher *tfm;
 140         struct blkcipher_desc desc;
 141         const char *e;
 142         u32 *b_size;
 143
 144         if (enc == ENCRYPT)
 145                 e = "encryption";
 146         else
 147                 e = "decryption";
 148
 149         printk("\ntesting speed of %s %s\n", algo, e);
 150
 151         tfm = crypto_alloc_blkcipher(algo, 0, CRYPTO_ALG_ASYNC);
 152
 153         if (IS_ERR(tfm)) {
 154                 printk("failed to load transform for %s: %ld\n", algo,
 155                        PTR_ERR(tfm));
 156                 return;
 157         }
 158         desc.tfm = tfm;
 159         desc.flags = 0;
 160
 161         i = 0;
 162         do {
 163
 164                 b_size = block_sizes;
 165                 do {
 166                         struct scatterlist sg[TVMEMSIZE];
 167
 168                         if ((*keysize + *b_size) > TVMEMSIZE * PAGE_SIZE) {
 169                                 printk("template (%u) too big for "
 170                                        "tvmem (%lu)\n", *keysize + *b_size,
 171                                        TVMEMSIZE * PAGE_SIZE);
 172                                 goto out;
 173                         }
 174
 175                         printk("test %u (%d bit key, %d byte blocks): ", i,
 176                                         *keysize * 8, *b_size);
 177
 178                         memset(tvmem[0], 0xff, PAGE_SIZE);
 179
 180                         /* set key, plain text and IV */
 181                         key = tvmem[0];
 182                         for (j = 0; j < tcount; j++) {
 183                                 if (template[j].klen == *keysize) {
 184                                         key = template[j].key;
 185                                         break;
 186                                 }
 187                         }
 188
 189                         ret = crypto_blkcipher_setkey(tfm, key, *keysize);
 190                         if (ret) {
 191                                 printk("setkey() failed flags=%x\n",
 192                                                 crypto_blkcipher_get_flags(tfm));
 193                                 goto out;
 194                         }
 195
 196                         sg_init_table(sg, TVMEMSIZE);
 197                         sg_set_buf(sg, tvmem[0] + *keysize,
 198                                    PAGE_SIZE - *keysize);
 199                         for (j = 1; j < TVMEMSIZE; j++) {
 200                                 sg_set_buf(sg + j, tvmem[j], PAGE_SIZE);
 201                                 memset (tvmem[j], 0xff, PAGE_SIZE);
 202                         }
 203
 204                         iv_len = crypto_blkcipher_ivsize(tfm);
 205                         if (iv_len) {
 206                                 memset(&iv, 0xff, iv_len);
 207                                 crypto_blkcipher_set_iv(tfm, iv, iv_len);
 208                         }
 209
 210                         if (sec)
 211                                 ret = test_cipher_jiffies(&desc, enc, sg,
 212                                                           *b_size, sec);
 213                         else
 214                                 ret = test_cipher_cycles(&desc, enc, sg,
 215                                                          *b_size);
 216
 217                         if (ret) {
 218                                 printk("%s() failed flags=%x\n", e, desc.flags);
 219                                 break;
 220                         }
 221                         b_size++;
 222                         i++;
 223                 } while (*b_size);
 224                 keysize++;
 225         } while (*keysize);
 226
 227 out:
 228         crypto_free_blkcipher(tfm);
 229 }
 230
 231 static int test_hash_jiffies_digest(struct hash_desc *desc,
 232                                     struct scatterlist *sg, int blen,
 233                                     char *out, int sec)
 234 {
 235         unsigned long start, end;
 236         int bcount;
 237         int ret;
 238
 239         for (start = jiffies, end = start + sec * HZ, bcount = 0;
 240              time_before(jiffies, end); bcount++) {
 241                 ret = crypto_hash_digest(desc, sg, blen, out);
 242                 if (ret)
 243                         return ret;
 244         }
 245
 246         printk("%6u opers/sec, %9lu bytes/sec\n",
 247                bcount / sec, ((long)bcount * blen) / sec);
 248
 249         return 0;
 250 }
 251
 252 static int test_hash_jiffies(struct hash_desc *desc, struct scatterlist *sg,
 253                              int blen, int plen, char *out, int sec)
 254 {
 255         unsigned long start, end;
 256         int bcount, pcount;
 257         int ret;
 258
 259         if (plen == blen)
 260                 return test_hash_jiffies_digest(desc, sg, blen, out, sec);
 261
 262         for (start = jiffies, end = start + sec * HZ, bcount = 0;
 263              time_before(jiffies, end); bcount++) {
 264                 ret = crypto_hash_init(desc);
 265                 if (ret)
 266                         return ret;
 267                 for (pcount = 0; pcount < blen; pcount += plen) {
 268                         ret = crypto_hash_update(desc, sg, plen);
 269                         if (ret)
 270                                 return ret;
 271                 }
 272                 /* we assume there is enough space in 'out' for the result */
 273                 ret = crypto_hash_final(desc, out);
 274                 if (ret)
 275                         return ret;
 276         }
 277
 278         printk("%6u opers/sec, %9lu bytes/sec\n",
 279                bcount / sec, ((long)bcount * blen) / sec);
 280
 281         return 0;
 282 }
 283
 284 static int test_hash_cycles_digest(struct hash_desc *desc,
 285                                    struct scatterlist *sg, int blen, char *out)
 286 {
 287         unsigned long cycles = 0;
 288         int i;
 289         int ret;
 290
 291         local_bh_disable();
 292         local_irq_disable();
 293
 294         /* Warm-up run. */
 295         for (i = 0; i < 4; i++) {
 296                 ret = crypto_hash_digest(desc, sg, blen, out);
 297                 if (ret)
 298                         goto out;
 299         }
 300
 301         /* The real thing. */
 302         for (i = 0; i < 8; i++) {
 303                 cycles_t start, end;
 304
 305                 start = get_cycles();
 306
 307                 ret = crypto_hash_digest(desc, sg, blen, out);
 308                 if (ret)
 309                         goto out;
 310
 311                 end = get_cycles();
 312
 313                 cycles += end - start;
 314         }
 315
 316 out:
 317         local_irq_enable();
 318         local_bh_enable();
 319
 320         if (ret)
 321                 return ret;
 322
 323         printk("%6lu cycles/operation, %4lu cycles/byte\n",
 324                cycles / 8, cycles / (8 * blen));
 325
 326         return 0;
 327 }
 328
 329 static int test_hash_cycles(struct hash_desc *desc, struct scatterlist *sg,
 330                             int blen, int plen, char *out)
 331 {
 332         unsigned long cycles = 0;
 333         int i, pcount;
 334         int ret;
 335
 336         if (plen == blen)
 337                 return test_hash_cycles_digest(desc, sg, blen, out);
 338
 339         local_bh_disable();
 340         local_irq_disable();
 341
 342         /* Warm-up run. */
 343         for (i = 0; i < 4; i++) {
 344                 ret = crypto_hash_init(desc);
 345                 if (ret)
 346                         goto out;
 347                 for (pcount = 0; pcount < blen; pcount += plen) {
 348                         ret = crypto_hash_update(desc, sg, plen);
 349                         if (ret)
 350                                 goto out;
 351                 }
 352                 ret = crypto_hash_final(desc, out);
 353                 if (ret)
 354                         goto out;
 355         }
 356
 357         /* The real thing. */
 358         for (i = 0; i < 8; i++) {
 359                 cycles_t start, end;
 360
 361                 start = get_cycles();
 362
 363                 ret = crypto_hash_init(desc);
 364                 if (ret)
 365                         goto out;
 366                 for (pcount = 0; pcount < blen; pcount += plen) {
 367                         ret = crypto_hash_update(desc, sg, plen);
 368                         if (ret)
 369                                 goto out;
 370                 }
 371                 ret = crypto_hash_final(desc, out);
 372                 if (ret)
 373                         goto out;
 374
 375                 end = get_cycles();
 376
 377                 cycles += end - start;
 378         }
 379
 380 out:
 381         local_irq_enable();
 382         local_bh_enable();
 383
 384         if (ret)
 385                 return ret;
 386
 387         printk("%6lu cycles/operation, %4lu cycles/byte\n",
 388                cycles / 8, cycles / (8 * blen));
 389
 390         return 0;
 391 }
 392
 393 static void test_hash_speed(const char *algo, unsigned int sec,
 394                             struct hash_speed *speed)
 395 {
 396         struct scatterlist sg[TVMEMSIZE];
 397         struct crypto_hash *tfm;
 398         struct hash_desc desc;
 399         char output[1024];
 400         int i;
 401         int ret;
 402
 403         printk("\ntesting speed of %s\n", algo);
 404
 405         tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
 406
 407         if (IS_ERR(tfm)) {
 408                 printk("failed to load transform for %s: %ld\n", algo,
 409                        PTR_ERR(tfm));
 410                 return;
 411         }
 412
 413         desc.tfm = tfm;
 414         desc.flags = 0;
 415
 416         if (crypto_hash_digestsize(tfm) > sizeof(output)) {
 417                 printk("digestsize(%u) > outputbuffer(%zu)\n",
 418                        crypto_hash_digestsize(tfm), sizeof(output));
 419                 goto out;
 420         }
 421
 422         sg_init_table(sg, TVMEMSIZE);
 423         for (i = 0; i < TVMEMSIZE; i++) {
 424                 sg_set_buf(sg + i, tvmem[i], PAGE_SIZE);
 425                 memset(tvmem[i], 0xff, PAGE_SIZE);
 426         }
 427
 428         for (i = 0; speed[i].blen != 0; i++) {
 429                 if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
 430                         printk("template (%u) too big for tvmem (%lu)\n",
 431                                speed[i].blen, TVMEMSIZE * PAGE_SIZE);
 432                         goto out;
 433                 }
 434
 435                 printk("test%3u (%5u byte blocks,%5u bytes per update,%4u updates): ",
 436                        i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
 437
 438                 if (sec)
 439                         ret = test_hash_jiffies(&desc, sg, speed[i].blen,
 440                                                 speed[i].plen, output, sec);
 441                 else
 442                         ret = test_hash_cycles(&desc, sg, speed[i].blen,
 443                                                speed[i].plen, output);
 444
 445                 if (ret) {
 446                         printk("hashing failed ret=%d\n", ret);
 447                         break;
 448                 }
 449         }
 450
 451 out:
 452         crypto_free_hash(tfm);
 453 }
 454
 455 static void test_available(void)
 456 {
 457         char **name = check;
 458
 459         while (*name) {
 460                 printk("alg %s ", *name);
 461                 printk(crypto_has_alg(*name, 0, 0) ?
 462                        "found\n" : "not found\n");
 463                 name++;
 464         }
 465 }
 466
 467 static inline int tcrypt_test(const char *alg)
 468 {
 469         return alg_test(alg, alg, 0, 0);
 470 }
 471
 472 static void do_test(int m)
 473 {
 474         int i;
 475
 476         switch (m) {
 477         case 0:
 478                 for (i = 1; i < 200; i++)
 479                         do_test(i);
 480                 break;
 481
 482         case 1:
 483                 tcrypt_test("md5");
 484                 break;
 485
 486         case 2:
 487                 tcrypt_test("sha1");
 488                 break;
 489
 490         case 3:
 491                 tcrypt_test("ecb(des)");
 492                 tcrypt_test("cbc(des)");
 493                 break;
 494
 495         case 4:
 496                 tcrypt_test("ecb(des3_ede)");
 497                 tcrypt_test("cbc(des3_ede)");
 498                 break;
 499
 500         case 5:
 501                 tcrypt_test("md4");
 502                 break;
 503
 504         case 6:
 505                 tcrypt_test("sha256");
 506                 break;
 507
 508         case 7:
 509                 tcrypt_test("ecb(blowfish)");
 510                 tcrypt_test("cbc(blowfish)");
 511                 break;
 512
 513         case 8:
 514                 tcrypt_test("ecb(twofish)");
 515                 tcrypt_test("cbc(twofish)");
 516                 break;
 517
 518         case 9:
 519                 tcrypt_test("ecb(serpent)");
 520                 break;
 521
 522         case 10:
 523                 tcrypt_test("ecb(aes)");
 524                 tcrypt_test("cbc(aes)");
 525                 tcrypt_test("lrw(aes)");
 526                 tcrypt_test("xts(aes)");
 527                 tcrypt_test("rfc3686(ctr(aes))");
 528                 break;
 529
 530         case 11:
 531                 tcrypt_test("sha384");
 532                 break;
 533
 534         case 12:
 535                 tcrypt_test("sha512");
 536                 break;
 537
 538         case 13:
 539                 tcrypt_test("deflate");
 540                 break;
 541
 542         case 14:
 543                 tcrypt_test("ecb(cast5)");
 544                 break;
 545
 546         case 15:
 547                 tcrypt_test("ecb(cast6)");
 548                 break;
 549
 550         case 16:
 551                 tcrypt_test("ecb(arc4)");
 552                 break;
 553
 554         case 17:
 555                 tcrypt_test("michael_mic");
 556                 break;
 557
 558         case 18:
 559                 tcrypt_test("crc32c");
 560                 break;
 561
 562         case 19:
 563                 tcrypt_test("ecb(tea)");
 564                 break;
 565
 566         case 20:
 567                 tcrypt_test("ecb(xtea)");
 568                 break;
 569
 570         case 21:
 571                 tcrypt_test("ecb(khazad)");
 572                 break;
 573
 574         case 22:
 575                 tcrypt_test("wp512");
 576                 break;
 577
 578         case 23:
 579                 tcrypt_test("wp384");
 580                 break;
 581
 582         case 24:
 583                 tcrypt_test("wp256");
 584                 break;
 585
 586         case 25:
 587                 tcrypt_test("ecb(tnepres)");
 588                 break;
 589
 590         case 26:
 591                 tcrypt_test("ecb(anubis)");
 592                 tcrypt_test("cbc(anubis)");
 593                 break;
 594
 595         case 27:
 596                 tcrypt_test("tgr192");
 597                 break;
 598
 599         case 28:
 600
 601                 tcrypt_test("tgr160");
 602                 break;
 603
 604         case 29:
 605                 tcrypt_test("tgr128");
 606                 break;
 607
 608         case 30:
 609                 tcrypt_test("ecb(xeta)");
 610                 break;
 611
 612         case 31:
 613                 tcrypt_test("pcbc(fcrypt)");
 614                 break;
 615
 616         case 32:
 617                 tcrypt_test("ecb(camellia)");
 618                 tcrypt_test("cbc(camellia)");
 619                 break;
 620         case 33:
 621                 tcrypt_test("sha224");
 622                 break;
 623
 624         case 34:
 625                 tcrypt_test("salsa20");
 626                 break;
 627
 628         case 35:
 629                 tcrypt_test("gcm(aes)");
 630                 break;
 631
 632         case 36:
 633                 tcrypt_test("lzo");
 634                 break;
 635
 636         case 37:
 637                 tcrypt_test("ccm(aes)");
 638                 break;
 639
 640         case 38:
 641                 tcrypt_test("cts(cbc(aes))");
 642                 break;
 643
 644         case 39:
 645                 tcrypt_test("rmd128");
 646                 break;
 647
 648         case 40:
 649                 tcrypt_test("rmd160");
 650                 break;
 651
 652         case 41:
 653                 tcrypt_test("rmd256");
 654                 break;
 655
 656         case 42:
 657                 tcrypt_test("rmd320");
 658                 break;
 659
 660         case 43:
 661                 tcrypt_test("ecb(seed)");
 662                 break;
 663
 664         case 44:
 665                 tcrypt_test("zlib");
 666                 break;
 667
 668         case 100:
 669                 tcrypt_test("hmac(md5)");
 670                 break;
 671
 672         case 101:
 673                 tcrypt_test("hmac(sha1)");
 674                 break;
 675
 676         case 102:
 677                 tcrypt_test("hmac(sha256)");
 678                 break;
 679
 680         case 103:
 681                 tcrypt_test("hmac(sha384)");
 682                 break;
 683
 684         case 104:
 685                 tcrypt_test("hmac(sha512)");
 686                 break;
 687
 688         case 105:
 689                 tcrypt_test("hmac(sha224)");
 690                 break;
 691
 692         case 106:
 693                 tcrypt_test("xcbc(aes)");
 694                 break;
 695
 696         case 107:
 697                 tcrypt_test("hmac(rmd128)");
 698                 break;
 699
 700         case 108:
 701                 tcrypt_test("hmac(rmd160)");
 702                 break;
 703
 704         case 200:
 705                 test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
 706                                 speed_template_16_24_32);
 707                 test_cipher_speed("ecb(aes)", DECRYPT, sec, NULL, 0,
 708                                 speed_template_16_24_32);
 709                 test_cipher_speed("cbc(aes)", ENCRYPT, sec, NULL, 0,
 710                                 speed_template_16_24_32);
 711                 test_cipher_speed("cbc(aes)", DECRYPT, sec, NULL, 0,
 712                                 speed_template_16_24_32);
 713                 test_cipher_speed("lrw(aes)", ENCRYPT, sec, NULL, 0,
 714                                 speed_template_32_40_48);
 715                 test_cipher_speed("lrw(aes)", DECRYPT, sec, NULL, 0,
 716                                 speed_template_32_40_48);
 717                 test_cipher_speed("xts(aes)", ENCRYPT, sec, NULL, 0,
 718                                 speed_template_32_48_64);
 719                 test_cipher_speed("xts(aes)", DECRYPT, sec, NULL, 0,
 720                                 speed_template_32_48_64);
 721                 break;
 722
 723         case 201:
 724                 test_cipher_speed("ecb(des3_ede)", ENCRYPT, sec,
 725                                 des3_speed_template, DES3_SPEED_VECTORS,
 726                                 speed_template_24);
 727                 test_cipher_speed("ecb(des3_ede)", DECRYPT, sec,
 728                                 des3_speed_template, DES3_SPEED_VECTORS,
 729                                 speed_template_24);
 730                 test_cipher_speed("cbc(des3_ede)", ENCRYPT, sec,
 731                                 des3_speed_template, DES3_SPEED_VECTORS,
 732                                 speed_template_24);
 733                 test_cipher_speed("cbc(des3_ede)", DECRYPT, sec,
 734                                 des3_speed_template, DES3_SPEED_VECTORS,
 735                                 speed_template_24);
 736                 break;
 737
 738         case 202:
 739                 test_cipher_speed("ecb(twofish)", ENCRYPT, sec, NULL, 0,
 740                                 speed_template_16_24_32);
 741                 test_cipher_speed("ecb(twofish)", DECRYPT, sec, NULL, 0,
 742                                 speed_template_16_24_32);
 743                 test_cipher_speed("cbc(twofish)", ENCRYPT, sec, NULL, 0,
 744                                 speed_template_16_24_32);
 745                 test_cipher_speed("cbc(twofish)", DECRYPT, sec, NULL, 0,
 746                                 speed_template_16_24_32);
 747                 break;
 748
 749         case 203:
 750                 test_cipher_speed("ecb(blowfish)", ENCRYPT, sec, NULL, 0,
 751                                   speed_template_8_32);
 752                 test_cipher_speed("ecb(blowfish)", DECRYPT, sec, NULL, 0,
 753                                   speed_template_8_32);
 754                 test_cipher_speed("cbc(blowfish)", ENCRYPT, sec, NULL, 0,
 755                                   speed_template_8_32);
 756                 test_cipher_speed("cbc(blowfish)", DECRYPT, sec, NULL, 0,
 757                                   speed_template_8_32);
 758                 break;
 759
 760         case 204:
 761                 test_cipher_speed("ecb(des)", ENCRYPT, sec, NULL, 0,
 762                                   speed_template_8);
 763                 test_cipher_speed("ecb(des)", DECRYPT, sec, NULL, 0,
 764                                   speed_template_8);
 765                 test_cipher_speed("cbc(des)", ENCRYPT, sec, NULL, 0,
 766                                   speed_template_8);
 767                 test_cipher_speed("cbc(des)", DECRYPT, sec, NULL, 0,
 768                                   speed_template_8);
 769                 break;
 770
 771         case 205:
 772                 test_cipher_speed("ecb(camellia)", ENCRYPT, sec, NULL, 0,
 773                                 speed_template_16_24_32);
 774                 test_cipher_speed("ecb(camellia)", DECRYPT, sec, NULL, 0,
 775                                 speed_template_16_24_32);
 776                 test_cipher_speed("cbc(camellia)", ENCRYPT, sec, NULL, 0,
 777                                 speed_template_16_24_32);
 778                 test_cipher_speed("cbc(camellia)", DECRYPT, sec, NULL, 0,
 779                                 speed_template_16_24_32);
 780                 break;
 781
 782         case 206:
 783                 test_cipher_speed("salsa20", ENCRYPT, sec, NULL, 0,
 784                                   speed_template_16_32);
 785                 break;
 786
 787         case 300:
 788                 /* fall through */
 789
 790         case 301:
 791                 test_hash_speed("md4", sec, generic_hash_speed_template);
 792                 if (mode > 300 && mode < 400) break;
 793
 794         case 302:
 795                 test_hash_speed("md5", sec, generic_hash_speed_template);
 796                 if (mode > 300 && mode < 400) break;
 797
 798         case 303:
 799                 test_hash_speed("sha1", sec, generic_hash_speed_template);
 800                 if (mode > 300 && mode < 400) break;
 801
 802         case 304:
 803                 test_hash_speed("sha256", sec, generic_hash_speed_template);
 804                 if (mode > 300 && mode < 400) break;
 805
 806         case 305:
 807                 test_hash_speed("sha384", sec, generic_hash_speed_template);
 808                 if (mode > 300 && mode < 400) break;
 809
 810         case 306:
 811                 test_hash_speed("sha512", sec, generic_hash_speed_template);
 812                 if (mode > 300 && mode < 400) break;
 813
 814         case 307:
 815                 test_hash_speed("wp256", sec, generic_hash_speed_template);
 816                 if (mode > 300 && mode < 400) break;
 817
 818         case 308:
 819                 test_hash_speed("wp384", sec, generic_hash_speed_template);
 820                 if (mode > 300 && mode < 400) break;
 821
 822         case 309:
 823                 test_hash_speed("wp512", sec, generic_hash_speed_template);
 824                 if (mode > 300 && mode < 400) break;
 825
 826         case 310:
 827                 test_hash_speed("tgr128", sec, generic_hash_speed_template);
 828                 if (mode > 300 && mode < 400) break;
 829
 830         case 311:
 831                 test_hash_speed("tgr160", sec, generic_hash_speed_template);
 832                 if (mode > 300 && mode < 400) break;
 833
 834         case 312:
 835                 test_hash_speed("tgr192", sec, generic_hash_speed_template);
 836                 if (mode > 300 && mode < 400) break;
 837
 838         case 313:
 839                 test_hash_speed("sha224", sec, generic_hash_speed_template);
 840                 if (mode > 300 && mode < 400) break;
 841
 842         case 314:
 843                 test_hash_speed("rmd128", sec, generic_hash_speed_template);
 844                 if (mode > 300 && mode < 400) break;
 845
 846         case 315:
 847                 test_hash_speed("rmd160", sec, generic_hash_speed_template);
 848                 if (mode > 300 && mode < 400) break;
 849
 850         case 316:
 851                 test_hash_speed("rmd256", sec, generic_hash_speed_template);
 852                 if (mode > 300 && mode < 400) break;
 853
 854         case 317:
 855                 test_hash_speed("rmd320", sec, generic_hash_speed_template);
 856                 if (mode > 300 && mode < 400) break;
 857
 858         case 399:
 859                 break;
 860
 861         case 1000:
 862                 test_available();
 863                 break;
 864         }
 865 }
 866
 867 static int __init tcrypt_mod_init(void)
 868 {
 869         int err = -ENOMEM;
 870         int i;
 871
 872         for (i = 0; i < TVMEMSIZE; i++) {
 873                 tvmem[i] = (void *)__get_free_page(GFP_KERNEL);
 874                 if (!tvmem[i])
 875                         goto err_free_tv;
 876         }
 877
 878         do_test(mode);
 879
 880         /* We intentionaly return -EAGAIN to prevent keeping
 881          * the module. It does all its work from init()
 882          * and doesn't offer any runtime functionality
 883          * => we don't need it in the memory, do we?
 884          *                                        -- mludvig
 885          */
 886         err = -EAGAIN;
 887
 888 err_free_tv:
 889         for (i = 0; i < TVMEMSIZE && tvmem[i]; i++)
 890                 free_page((unsigned long)tvmem[i]);
 891
 892         return err;
 893 }
 894
 895 /*
 896  * If an init function is provided, an exit function must also be provided
 897  * to allow module unload.
 898  */
 899 static void __exit tcrypt_mod_fini(void) { }
 900
 901 module_init(tcrypt_mod_init);
 902 module_exit(tcrypt_mod_fini);
 903
 904 module_param(mode, int, 0);
 905 module_param(sec, uint, 0);
 906 MODULE_PARM_DESC(sec, "Length in seconds of speed tests "
 907                       "(defaults to zero which uses CPU cycles instead)");
 908
 909 MODULE_LICENSE("GPL");
 910 MODULE_DESCRIPTION("Quick & dirty crypto testing module");
 911 MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");