SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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 #include "internal.h"
  31
  32 /*
  33  * Need slab memory for testing (size in number of pages).
  34  */
  35 #define TVMEMSIZE       4
  36
  37 /*
  38 * Used by test_cipher_speed()
  39 */
  40 #define ENCRYPT 1
  41 #define DECRYPT 0
  42
  43 /*
  44  * Used by test_cipher_speed()
  45  */
  46 static unsigned int sec;
  47
  48 static int mode;
  49 static char *tvmem[TVMEMSIZE];
  50
  51 static char *check[] = {
  52         "des", "md5", "des3_ede", "rot13", "sha1", "sha224", "sha256",
  53         "blowfish", "twofish", "serpent", "sha384", "sha512", "md4", "aes",
  54         "cast6", "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
  55         "khazad", "wp512", "wp384", "wp256", "tnepres", "xeta",  "fcrypt",
  56         "camellia", "seed", "salsa20", "rmd128", "rmd160", "rmd256", "rmd320",
  57         "lzo", "cts", "zlib", NULL
  58 };
  59
  60 static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc,
  61                                struct scatterlist *sg, int blen, int sec)
  62 {
  63         unsigned long start, end;
  64         int bcount;
  65         int ret;
  66
  67         for (start = jiffies, end = start + sec * HZ, bcount = 0;
  68              time_before(jiffies, end); bcount++) {
  69                 if (enc)
  70                         ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
  71                 else
  72                         ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
  73
  74                 if (ret)
  75                         return ret;
  76         }
  77
  78         printk("%d operations in %d seconds (%ld bytes)\n",
  79                bcount, sec, (long)bcount * blen);
  80         return 0;
  81 }
  82
  83 static int test_cipher_cycles(struct blkcipher_desc *desc, int enc,
  84                               struct scatterlist *sg, int blen)
  85 {
  86         unsigned long cycles = 0;
  87         int ret = 0;
  88         int i;
  89
  90         local_bh_disable();
  91         local_irq_disable();
  92
  93         /* Warm-up run. */
  94         for (i = 0; i < 4; i++) {
  95                 if (enc)
  96                         ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
  97                 else
  98                         ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
  99
 100                 if (ret)
 101                         goto out;
 102         }
 103
 104         /* The real thing. */
 105         for (i = 0; i < 8; i++) {
 106                 cycles_t start, end;
 107
 108                 start = get_cycles();
 109                 if (enc)
 110                         ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
 111                 else
 112                         ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
 113                 end = get_cycles();
 114
 115                 if (ret)
 116                         goto out;
 117
 118                 cycles += end - start;
 119         }
 120
 121 out:
 122         local_irq_enable();
 123         local_bh_enable();
 124
 125         if (ret == 0)
 126                 printk("1 operation in %lu cycles (%d bytes)\n",
 127                        (cycles + 4) / 8, blen);
 128
 129         return ret;
 130 }
 131
 132 static u32 block_sizes[] = { 16, 64, 256, 1024, 8192, 0 };
 133
 134 static void test_cipher_speed(const char *algo, int enc, unsigned int sec,
 135                               struct cipher_speed_template *template,
 136                               unsigned int tcount, u8 *keysize)
 137 {
 138         unsigned int ret, i, j, iv_len;
 139         const char *key, iv[128];
 140         struct crypto_blkcipher *tfm;
 141         struct blkcipher_desc desc;
 142         const char *e;
 143         u32 *b_size;
 144
 145         if (enc == ENCRYPT)
 146                 e = "encryption";
 147         else
 148                 e = "decryption";
 149
 150         printk("\ntesting speed of %s %s\n", algo, e);
 151
 152         tfm = crypto_alloc_blkcipher(algo, 0, CRYPTO_ALG_ASYNC);
 153
 154         if (IS_ERR(tfm)) {
 155                 printk("failed to load transform for %s: %ld\n", algo,
 156                        PTR_ERR(tfm));
 157                 return;
 158         }
 159         desc.tfm = tfm;
 160         desc.flags = 0;
 161
 162         i = 0;
 163         do {
 164
 165                 b_size = block_sizes;
 166                 do {
 167                         struct scatterlist sg[TVMEMSIZE];
 168
 169                         if ((*keysize + *b_size) > TVMEMSIZE * PAGE_SIZE) {
 170                                 printk("template (%u) too big for "
 171                                        "tvmem (%lu)\n", *keysize + *b_size,
 172                                        TVMEMSIZE * PAGE_SIZE);
 173                                 goto out;
 174                         }
 175
 176                         printk("test %u (%d bit key, %d byte blocks): ", i,
 177                                         *keysize * 8, *b_size);
 178
 179                         memset(tvmem[0], 0xff, PAGE_SIZE);
 180
 181                         /* set key, plain text and IV */
 182                         key = tvmem[0];
 183                         for (j = 0; j < tcount; j++) {
 184                                 if (template[j].klen == *keysize) {
 185                                         key = template[j].key;
 186                                         break;
 187                                 }
 188                         }
 189
 190                         ret = crypto_blkcipher_setkey(tfm, key, *keysize);
 191                         if (ret) {
 192                                 printk("setkey() failed flags=%x\n",
 193                                                 crypto_blkcipher_get_flags(tfm));
 194                                 goto out;
 195                         }
 196
 197                         sg_init_table(sg, TVMEMSIZE);
 198                         sg_set_buf(sg, tvmem[0] + *keysize,
 199                                    PAGE_SIZE - *keysize);
 200                         for (j = 1; j < TVMEMSIZE; j++) {
 201                                 sg_set_buf(sg + j, tvmem[j], PAGE_SIZE);
 202                                 memset (tvmem[j], 0xff, PAGE_SIZE);
 203                         }
 204
 205                         iv_len = crypto_blkcipher_ivsize(tfm);
 206                         if (iv_len) {
 207                                 memset(&iv, 0xff, iv_len);
 208                                 crypto_blkcipher_set_iv(tfm, iv, iv_len);
 209                         }
 210
 211                         if (sec)
 212                                 ret = test_cipher_jiffies(&desc, enc, sg,
 213                                                           *b_size, sec);
 214                         else
 215                                 ret = test_cipher_cycles(&desc, enc, sg,
 216                                                          *b_size);
 217
 218                         if (ret) {
 219                                 printk("%s() failed flags=%x\n", e, desc.flags);
 220                                 break;
 221                         }
 222                         b_size++;
 223                         i++;
 224                 } while (*b_size);
 225                 keysize++;
 226         } while (*keysize);
 227
 228 out:
 229         crypto_free_blkcipher(tfm);
 230 }
 231
 232 static int test_hash_jiffies_digest(struct hash_desc *desc,
 233                                     struct scatterlist *sg, int blen,
 234                                     char *out, int sec)
 235 {
 236         unsigned long start, end;
 237         int bcount;
 238         int ret;
 239
 240         for (start = jiffies, end = start + sec * HZ, bcount = 0;
 241              time_before(jiffies, end); bcount++) {
 242                 ret = crypto_hash_digest(desc, sg, blen, out);
 243                 if (ret)
 244                         return ret;
 245         }
 246
 247         printk("%6u opers/sec, %9lu bytes/sec\n",
 248                bcount / sec, ((long)bcount * blen) / sec);
 249
 250         return 0;
 251 }
 252
 253 static int test_hash_jiffies(struct hash_desc *desc, struct scatterlist *sg,
 254                              int blen, int plen, char *out, int sec)
 255 {
 256         unsigned long start, end;
 257         int bcount, pcount;
 258         int ret;
 259
 260         if (plen == blen)
 261                 return test_hash_jiffies_digest(desc, sg, blen, out, sec);
 262
 263         for (start = jiffies, end = start + sec * HZ, bcount = 0;
 264              time_before(jiffies, end); bcount++) {
 265                 ret = crypto_hash_init(desc);
 266                 if (ret)
 267                         return ret;
 268                 for (pcount = 0; pcount < blen; pcount += plen) {
 269                         ret = crypto_hash_update(desc, sg, plen);
 270                         if (ret)
 271                                 return ret;
 272                 }
 273                 /* we assume there is enough space in 'out' for the result */
 274                 ret = crypto_hash_final(desc, out);
 275                 if (ret)
 276                         return ret;
 277         }
 278
 279         printk("%6u opers/sec, %9lu bytes/sec\n",
 280                bcount / sec, ((long)bcount * blen) / sec);
 281
 282         return 0;
 283 }
 284
 285 static int test_hash_cycles_digest(struct hash_desc *desc,
 286                                    struct scatterlist *sg, int blen, char *out)
 287 {
 288         unsigned long cycles = 0;
 289         int i;
 290         int ret;
 291
 292         local_bh_disable();
 293         local_irq_disable();
 294
 295         /* Warm-up run. */
 296         for (i = 0; i < 4; i++) {
 297                 ret = crypto_hash_digest(desc, sg, blen, out);
 298                 if (ret)
 299                         goto out;
 300         }
 301
 302         /* The real thing. */
 303         for (i = 0; i < 8; i++) {
 304                 cycles_t start, end;
 305
 306                 start = get_cycles();
 307
 308                 ret = crypto_hash_digest(desc, sg, blen, out);
 309                 if (ret)
 310                         goto out;
 311
 312                 end = get_cycles();
 313
 314                 cycles += end - start;
 315         }
 316
 317 out:
 318         local_irq_enable();
 319         local_bh_enable();
 320
 321         if (ret)
 322                 return ret;
 323
 324         printk("%6lu cycles/operation, %4lu cycles/byte\n",
 325                cycles / 8, cycles / (8 * blen));
 326
 327         return 0;
 328 }
 329
 330 static int test_hash_cycles(struct hash_desc *desc, struct scatterlist *sg,
 331                             int blen, int plen, char *out)
 332 {
 333         unsigned long cycles = 0;
 334         int i, pcount;
 335         int ret;
 336
 337         if (plen == blen)
 338                 return test_hash_cycles_digest(desc, sg, blen, out);
 339
 340         local_bh_disable();
 341         local_irq_disable();
 342
 343         /* Warm-up run. */
 344         for (i = 0; i < 4; i++) {
 345                 ret = crypto_hash_init(desc);
 346                 if (ret)
 347                         goto out;
 348                 for (pcount = 0; pcount < blen; pcount += plen) {
 349                         ret = crypto_hash_update(desc, sg, plen);
 350                         if (ret)
 351                                 goto out;
 352                 }
 353                 ret = crypto_hash_final(desc, out);
 354                 if (ret)
 355                         goto out;
 356         }
 357
 358         /* The real thing. */
 359         for (i = 0; i < 8; i++) {
 360                 cycles_t start, end;
 361
 362                 start = get_cycles();
 363
 364                 ret = crypto_hash_init(desc);
 365                 if (ret)
 366                         goto out;
 367                 for (pcount = 0; pcount < blen; pcount += plen) {
 368                         ret = crypto_hash_update(desc, sg, plen);
 369                         if (ret)
 370                                 goto out;
 371                 }
 372                 ret = crypto_hash_final(desc, out);
 373                 if (ret)
 374                         goto out;
 375
 376                 end = get_cycles();
 377
 378                 cycles += end - start;
 379         }
 380
 381 out:
 382         local_irq_enable();
 383         local_bh_enable();
 384
 385         if (ret)
 386                 return ret;
 387
 388         printk("%6lu cycles/operation, %4lu cycles/byte\n",
 389                cycles / 8, cycles / (8 * blen));
 390
 391         return 0;
 392 }
 393
 394 static void test_hash_speed(const char *algo, unsigned int sec,
 395                             struct hash_speed *speed)
 396 {
 397         struct scatterlist sg[TVMEMSIZE];
 398         struct crypto_hash *tfm;
 399         struct hash_desc desc;
 400         static char output[1024];
 401         int i;
 402         int ret;
 403
 404         printk(KERN_INFO "\ntesting speed of %s\n", algo);
 405
 406         tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
 407
 408         if (IS_ERR(tfm)) {
 409                 printk(KERN_ERR "failed to load transform for %s: %ld\n", algo,
 410                        PTR_ERR(tfm));
 411                 return;
 412         }
 413
 414         desc.tfm = tfm;
 415         desc.flags = 0;
 416
 417         if (crypto_hash_digestsize(tfm) > sizeof(output)) {
 418                 printk(KERN_ERR "digestsize(%u) > outputbuffer(%zu)\n",
 419                        crypto_hash_digestsize(tfm), sizeof(output));
 420                 goto out;
 421         }
 422
 423         sg_init_table(sg, TVMEMSIZE);
 424         for (i = 0; i < TVMEMSIZE; i++) {
 425                 sg_set_buf(sg + i, tvmem[i], PAGE_SIZE);
 426                 memset(tvmem[i], 0xff, PAGE_SIZE);
 427         }
 428
 429         for (i = 0; speed[i].blen != 0; i++) {
 430                 if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
 431                         printk(KERN_ERR
 432                                "template (%u) too big for tvmem (%lu)\n",
 433                                speed[i].blen, TVMEMSIZE * PAGE_SIZE);
 434                         goto out;
 435                 }
 436
 437                 printk(KERN_INFO "test%3u "
 438                        "(%5u byte blocks,%5u bytes per update,%4u updates): ",
 439                        i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
 440
 441                 if (sec)
 442                         ret = test_hash_jiffies(&desc, sg, speed[i].blen,
 443                                                 speed[i].plen, output, sec);
 444                 else
 445                         ret = test_hash_cycles(&desc, sg, speed[i].blen,
 446                                                speed[i].plen, output);
 447
 448                 if (ret) {
 449                         printk(KERN_ERR "hashing failed ret=%d\n", ret);
 450                         break;
 451                 }
 452         }
 453
 454 out:
 455         crypto_free_hash(tfm);
 456 }
 457
 458 static void test_available(void)
 459 {
 460         char **name = check;
 461
 462         while (*name) {
 463                 printk("alg %s ", *name);
 464                 printk(crypto_has_alg(*name, 0, 0) ?
 465                        "found\n" : "not found\n");
 466                 name++;
 467         }
 468 }
 469
 470 static inline int tcrypt_test(const char *alg)
 471 {
 472         int ret;
 473
 474         ret = alg_test(alg, alg, 0, 0);
 475         /* non-fips algs return -EINVAL in fips mode */
 476         if (fips_enabled && ret == -EINVAL)
 477                 ret = 0;
 478         return ret;
 479 }
 480
 481 static int do_test(int m)
 482 {
 483         int i;
 484         int ret = 0;
 485
 486         switch (m) {
 487         case 0:
 488                 for (i = 1; i < 200; i++)
 489                         ret += do_test(i);
 490                 break;
 491
 492         case 1:
 493                 ret += tcrypt_test("md5");
 494                 break;
 495
 496         case 2:
 497                 ret += tcrypt_test("sha1");
 498                 break;
 499
 500         case 3:
 501                 ret += tcrypt_test("ecb(des)");
 502                 ret += tcrypt_test("cbc(des)");
 503                 break;
 504
 505         case 4:
 506                 ret += tcrypt_test("ecb(des3_ede)");
 507                 ret += tcrypt_test("cbc(des3_ede)");
 508                 break;
 509
 510         case 5:
 511                 ret += tcrypt_test("md4");
 512                 break;
 513
 514         case 6:
 515                 ret += tcrypt_test("sha256");
 516                 break;
 517
 518         case 7:
 519                 ret += tcrypt_test("ecb(blowfish)");
 520                 ret += tcrypt_test("cbc(blowfish)");
 521                 break;
 522
 523         case 8:
 524                 ret += tcrypt_test("ecb(twofish)");
 525                 ret += tcrypt_test("cbc(twofish)");
 526                 break;
 527
 528         case 9:
 529                 ret += tcrypt_test("ecb(serpent)");
 530                 break;
 531
 532         case 10:
 533                 ret += tcrypt_test("ecb(aes)");
 534                 ret += tcrypt_test("cbc(aes)");
 535                 ret += tcrypt_test("lrw(aes)");
 536                 ret += tcrypt_test("xts(aes)");
 537                 ret += tcrypt_test("ctr(aes)");
 538                 ret += tcrypt_test("rfc3686(ctr(aes))");
 539                 break;
 540
 541         case 11:
 542                 ret += tcrypt_test("sha384");
 543                 break;
 544
 545         case 12:
 546                 ret += tcrypt_test("sha512");
 547                 break;
 548
 549         case 13:
 550                 ret += tcrypt_test("deflate");
 551                 break;
 552
 553         case 14:
 554                 ret += tcrypt_test("ecb(cast5)");
 555                 break;
 556
 557         case 15:
 558                 ret += tcrypt_test("ecb(cast6)");
 559                 break;
 560
 561         case 16:
 562                 ret += tcrypt_test("ecb(arc4)");
 563                 break;
 564
 565         case 17:
 566                 ret += tcrypt_test("michael_mic");
 567                 break;
 568
 569         case 18:
 570                 ret += tcrypt_test("crc32c");
 571                 break;
 572
 573         case 19:
 574                 ret += tcrypt_test("ecb(tea)");
 575                 break;
 576
 577         case 20:
 578                 ret += tcrypt_test("ecb(xtea)");
 579                 break;
 580
 581         case 21:
 582                 ret += tcrypt_test("ecb(khazad)");
 583                 break;
 584
 585         case 22:
 586                 ret += tcrypt_test("wp512");
 587                 break;
 588
 589         case 23:
 590                 ret += tcrypt_test("wp384");
 591                 break;
 592
 593         case 24:
 594                 ret += tcrypt_test("wp256");
 595                 break;
 596
 597         case 25:
 598                 ret += tcrypt_test("ecb(tnepres)");
 599                 break;
 600
 601         case 26:
 602                 ret += tcrypt_test("ecb(anubis)");
 603                 ret += tcrypt_test("cbc(anubis)");
 604                 break;
 605
 606         case 27:
 607                 ret += tcrypt_test("tgr192");
 608                 break;
 609
 610         case 28:
 611
 612                 ret += tcrypt_test("tgr160");
 613                 break;
 614
 615         case 29:
 616                 ret += tcrypt_test("tgr128");
 617                 break;
 618
 619         case 30:
 620                 ret += tcrypt_test("ecb(xeta)");
 621                 break;
 622
 623         case 31:
 624                 ret += tcrypt_test("pcbc(fcrypt)");
 625                 break;
 626
 627         case 32:
 628                 ret += tcrypt_test("ecb(camellia)");
 629                 ret += tcrypt_test("cbc(camellia)");
 630                 break;
 631         case 33:
 632                 ret += tcrypt_test("sha224");
 633                 break;
 634
 635         case 34:
 636                 ret += tcrypt_test("salsa20");
 637                 break;
 638
 639         case 35:
 640                 ret += tcrypt_test("gcm(aes)");
 641                 break;
 642
 643         case 36:
 644                 ret += tcrypt_test("lzo");
 645                 break;
 646
 647         case 37:
 648                 ret += tcrypt_test("ccm(aes)");
 649                 break;
 650
 651         case 38:
 652                 ret += tcrypt_test("cts(cbc(aes))");
 653                 break;
 654
 655         case 39:
 656                 ret += tcrypt_test("rmd128");
 657                 break;
 658
 659         case 40:
 660                 ret += tcrypt_test("rmd160");
 661                 break;
 662
 663         case 41:
 664                 ret += tcrypt_test("rmd256");
 665                 break;
 666
 667         case 42:
 668                 ret += tcrypt_test("rmd320");
 669                 break;
 670
 671         case 43:
 672                 ret += tcrypt_test("ecb(seed)");
 673                 break;
 674
 675         case 44:
 676                 ret += tcrypt_test("zlib");
 677                 break;
 678
 679         case 45:
 680                 ret += tcrypt_test("rfc4309(ccm(aes))");
 681                 break;
 682
 683         case 100:
 684                 ret += tcrypt_test("hmac(md5)");
 685                 break;
 686
 687         case 101:
 688                 ret += tcrypt_test("hmac(sha1)");
 689                 break;
 690
 691         case 102:
 692                 ret += tcrypt_test("hmac(sha256)");
 693                 break;
 694
 695         case 103:
 696                 ret += tcrypt_test("hmac(sha384)");
 697                 break;
 698
 699         case 104:
 700                 ret += tcrypt_test("hmac(sha512)");
 701                 break;
 702
 703         case 105:
 704                 ret += tcrypt_test("hmac(sha224)");
 705                 break;
 706
 707         case 106:
 708                 ret += tcrypt_test("xcbc(aes)");
 709                 break;
 710
 711         case 107:
 712                 ret += tcrypt_test("hmac(rmd128)");
 713                 break;
 714
 715         case 108:
 716                 ret += tcrypt_test("hmac(rmd160)");
 717                 break;
 718
 719         case 150:
 720                 ret += tcrypt_test("ansi_cprng");
 721                 break;
 722
 723         case 200:
 724                 test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
 725                                 speed_template_16_24_32);
 726                 test_cipher_speed("ecb(aes)", DECRYPT, sec, NULL, 0,
 727                                 speed_template_16_24_32);
 728                 test_cipher_speed("cbc(aes)", ENCRYPT, sec, NULL, 0,
 729                                 speed_template_16_24_32);
 730                 test_cipher_speed("cbc(aes)", DECRYPT, sec, NULL, 0,
 731                                 speed_template_16_24_32);
 732                 test_cipher_speed("lrw(aes)", ENCRYPT, sec, NULL, 0,
 733                                 speed_template_32_40_48);
 734                 test_cipher_speed("lrw(aes)", DECRYPT, sec, NULL, 0,
 735                                 speed_template_32_40_48);
 736                 test_cipher_speed("xts(aes)", ENCRYPT, sec, NULL, 0,
 737                                 speed_template_32_48_64);
 738                 test_cipher_speed("xts(aes)", DECRYPT, sec, NULL, 0,
 739                                 speed_template_32_48_64);
 740                 break;
 741
 742         case 201:
 743                 test_cipher_speed("ecb(des3_ede)", ENCRYPT, sec,
 744                                 des3_speed_template, DES3_SPEED_VECTORS,
 745                                 speed_template_24);
 746                 test_cipher_speed("ecb(des3_ede)", DECRYPT, sec,
 747                                 des3_speed_template, DES3_SPEED_VECTORS,
 748                                 speed_template_24);
 749                 test_cipher_speed("cbc(des3_ede)", ENCRYPT, sec,
 750                                 des3_speed_template, DES3_SPEED_VECTORS,
 751                                 speed_template_24);
 752                 test_cipher_speed("cbc(des3_ede)", DECRYPT, sec,
 753                                 des3_speed_template, DES3_SPEED_VECTORS,
 754                                 speed_template_24);
 755                 break;
 756
 757         case 202:
 758                 test_cipher_speed("ecb(twofish)", ENCRYPT, sec, NULL, 0,
 759                                 speed_template_16_24_32);
 760                 test_cipher_speed("ecb(twofish)", DECRYPT, sec, NULL, 0,
 761                                 speed_template_16_24_32);
 762                 test_cipher_speed("cbc(twofish)", ENCRYPT, sec, NULL, 0,
 763                                 speed_template_16_24_32);
 764                 test_cipher_speed("cbc(twofish)", DECRYPT, sec, NULL, 0,
 765                                 speed_template_16_24_32);
 766                 break;
 767
 768         case 203:
 769                 test_cipher_speed("ecb(blowfish)", ENCRYPT, sec, NULL, 0,
 770                                   speed_template_8_32);
 771                 test_cipher_speed("ecb(blowfish)", DECRYPT, sec, NULL, 0,
 772                                   speed_template_8_32);
 773                 test_cipher_speed("cbc(blowfish)", ENCRYPT, sec, NULL, 0,
 774                                   speed_template_8_32);
 775                 test_cipher_speed("cbc(blowfish)", DECRYPT, sec, NULL, 0,
 776                                   speed_template_8_32);
 777                 break;
 778
 779         case 204:
 780                 test_cipher_speed("ecb(des)", ENCRYPT, sec, NULL, 0,
 781                                   speed_template_8);
 782                 test_cipher_speed("ecb(des)", DECRYPT, sec, NULL, 0,
 783                                   speed_template_8);
 784                 test_cipher_speed("cbc(des)", ENCRYPT, sec, NULL, 0,
 785                                   speed_template_8);
 786                 test_cipher_speed("cbc(des)", DECRYPT, sec, NULL, 0,
 787                                   speed_template_8);
 788                 break;
 789
 790         case 205:
 791                 test_cipher_speed("ecb(camellia)", ENCRYPT, sec, NULL, 0,
 792                                 speed_template_16_24_32);
 793                 test_cipher_speed("ecb(camellia)", DECRYPT, sec, NULL, 0,
 794                                 speed_template_16_24_32);
 795                 test_cipher_speed("cbc(camellia)", ENCRYPT, sec, NULL, 0,
 796                                 speed_template_16_24_32);
 797                 test_cipher_speed("cbc(camellia)", DECRYPT, sec, NULL, 0,
 798                                 speed_template_16_24_32);
 799                 break;
 800
 801         case 206:
 802                 test_cipher_speed("salsa20", ENCRYPT, sec, NULL, 0,
 803                                   speed_template_16_32);
 804                 break;
 805
 806         case 300:
 807                 /* fall through */
 808
 809         case 301:
 810                 test_hash_speed("md4", sec, generic_hash_speed_template);
 811                 if (mode > 300 && mode < 400) break;
 812
 813         case 302:
 814                 test_hash_speed("md5", sec, generic_hash_speed_template);
 815                 if (mode > 300 && mode < 400) break;
 816
 817         case 303:
 818                 test_hash_speed("sha1", sec, generic_hash_speed_template);
 819                 if (mode > 300 && mode < 400) break;
 820
 821         case 304:
 822                 test_hash_speed("sha256", sec, generic_hash_speed_template);
 823                 if (mode > 300 && mode < 400) break;
 824
 825         case 305:
 826                 test_hash_speed("sha384", sec, generic_hash_speed_template);
 827                 if (mode > 300 && mode < 400) break;
 828
 829         case 306:
 830                 test_hash_speed("sha512", sec, generic_hash_speed_template);
 831                 if (mode > 300 && mode < 400) break;
 832
 833         case 307:
 834                 test_hash_speed("wp256", sec, generic_hash_speed_template);
 835                 if (mode > 300 && mode < 400) break;
 836
 837         case 308:
 838                 test_hash_speed("wp384", sec, generic_hash_speed_template);
 839                 if (mode > 300 && mode < 400) break;
 840
 841         case 309:
 842                 test_hash_speed("wp512", sec, generic_hash_speed_template);
 843                 if (mode > 300 && mode < 400) break;
 844
 845         case 310:
 846                 test_hash_speed("tgr128", sec, generic_hash_speed_template);
 847                 if (mode > 300 && mode < 400) break;
 848
 849         case 311:
 850                 test_hash_speed("tgr160", sec, generic_hash_speed_template);
 851                 if (mode > 300 && mode < 400) break;
 852
 853         case 312:
 854                 test_hash_speed("tgr192", sec, generic_hash_speed_template);
 855                 if (mode > 300 && mode < 400) break;
 856
 857         case 313:
 858                 test_hash_speed("sha224", sec, generic_hash_speed_template);
 859                 if (mode > 300 && mode < 400) break;
 860
 861         case 314:
 862                 test_hash_speed("rmd128", sec, generic_hash_speed_template);
 863                 if (mode > 300 && mode < 400) break;
 864
 865         case 315:
 866                 test_hash_speed("rmd160", sec, generic_hash_speed_template);
 867                 if (mode > 300 && mode < 400) break;
 868
 869         case 316:
 870                 test_hash_speed("rmd256", sec, generic_hash_speed_template);
 871                 if (mode > 300 && mode < 400) break;
 872
 873         case 317:
 874                 test_hash_speed("rmd320", sec, generic_hash_speed_template);
 875                 if (mode > 300 && mode < 400) break;
 876
 877         case 399:
 878                 break;
 879
 880         case 1000:
 881                 test_available();
 882                 break;
 883         }
 884
 885         return ret;
 886 }
 887
 888 static int __init tcrypt_mod_init(void)
 889 {
 890         int err = -ENOMEM;
 891         int i;
 892
 893         for (i = 0; i < TVMEMSIZE; i++) {
 894                 tvmem[i] = (void *)__get_free_page(GFP_KERNEL);
 895                 if (!tvmem[i])
 896                         goto err_free_tv;
 897         }
 898
 899         err = do_test(mode);
 900         if (err) {
 901                 printk(KERN_ERR "tcrypt: one or more tests failed!\n");
 902                 goto err_free_tv;
 903         }
 904
 905         /* We intentionaly return -EAGAIN to prevent keeping the module,
 906          * unless we're running in fips mode. It does all its work from
 907          * init() and doesn't offer any runtime functionality, but in
 908          * the fips case, checking for a successful load is helpful.
 909          * => we don't need it in the memory, do we?
 910          *                                        -- mludvig
 911          */
 912         if (!fips_enabled)
 913                 err = -EAGAIN;
 914
 915 err_free_tv:
 916         for (i = 0; i < TVMEMSIZE && tvmem[i]; i++)
 917                 free_page((unsigned long)tvmem[i]);
 918
 919         return err;
 920 }
 921
 922 /*
 923  * If an init function is provided, an exit function must also be provided
 924  * to allow module unload.
 925  */
 926 static void __exit tcrypt_mod_fini(void) { }
 927
 928 module_init(tcrypt_mod_init);
 929 module_exit(tcrypt_mod_fini);
 930
 931 module_param(mode, int, 0);
 932 module_param(sec, uint, 0);
 933 MODULE_PARM_DESC(sec, "Length in seconds of speed tests "
 934                       "(defaults to zero which uses CPU cycles instead)");
 935
 936 MODULE_LICENSE("GPL");
 937 MODULE_DESCRIPTION("Quick & dirty crypto testing module");
 938 MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");