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 char *alg = NULL;
  49 static u32 type;
  50 static int mode;
  51 static char *tvmem[TVMEMSIZE];
  52
  53 static char *check[] = {
  54         "des", "md5", "des3_ede", "rot13", "sha1", "sha224", "sha256",
  55         "blowfish", "twofish", "serpent", "sha384", "sha512", "md4", "aes",
  56         "cast6", "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
  57         "khazad", "wp512", "wp384", "wp256", "tnepres", "xeta",  "fcrypt",
  58         "camellia", "seed", "salsa20", "rmd128", "rmd160", "rmd256", "rmd320",
  59         "lzo", "cts", "zlib", NULL
  60 };
  61
  62 static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc,
  63                                struct scatterlist *sg, int blen, int sec)
  64 {
  65         unsigned long start, end;
  66         int bcount;
  67         int ret;
  68
  69         for (start = jiffies, end = start + sec * HZ, bcount = 0;
  70              time_before(jiffies, end); bcount++) {
  71                 if (enc)
  72                         ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
  73                 else
  74                         ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
  75
  76                 if (ret)
  77                         return ret;
  78         }
  79
  80         printk("%d operations in %d seconds (%ld bytes)\n",
  81                bcount, sec, (long)bcount * blen);
  82         return 0;
  83 }
  84
  85 static int test_cipher_cycles(struct blkcipher_desc *desc, int enc,
  86                               struct scatterlist *sg, int blen)
  87 {
  88         unsigned long cycles = 0;
  89         int ret = 0;
  90         int i;
  91
  92         local_bh_disable();
  93         local_irq_disable();
  94
  95         /* Warm-up run. */
  96         for (i = 0; i < 4; i++) {
  97                 if (enc)
  98                         ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
  99                 else
 100                         ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
 101
 102                 if (ret)
 103                         goto out;
 104         }
 105
 106         /* The real thing. */
 107         for (i = 0; i < 8; i++) {
 108                 cycles_t start, end;
 109
 110                 start = get_cycles();
 111                 if (enc)
 112                         ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
 113                 else
 114                         ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
 115                 end = get_cycles();
 116
 117                 if (ret)
 118                         goto out;
 119
 120                 cycles += end - start;
 121         }
 122
 123 out:
 124         local_irq_enable();
 125         local_bh_enable();
 126
 127         if (ret == 0)
 128                 printk("1 operation in %lu cycles (%d bytes)\n",
 129                        (cycles + 4) / 8, blen);
 130
 131         return ret;
 132 }
 133
 134 static u32 block_sizes[] = { 16, 64, 256, 1024, 8192, 0 };
 135
 136 static void test_cipher_speed(const char *algo, int enc, unsigned int sec,
 137                               struct cipher_speed_template *template,
 138                               unsigned int tcount, u8 *keysize)
 139 {
 140         unsigned int ret, i, j, iv_len;
 141         const char *key, iv[128];
 142         struct crypto_blkcipher *tfm;
 143         struct blkcipher_desc desc;
 144         const char *e;
 145         u32 *b_size;
 146
 147         if (enc == ENCRYPT)
 148                 e = "encryption";
 149         else
 150                 e = "decryption";
 151
 152         printk("\ntesting speed of %s %s\n", algo, e);
 153
 154         tfm = crypto_alloc_blkcipher(algo, 0, CRYPTO_ALG_ASYNC);
 155
 156         if (IS_ERR(tfm)) {
 157                 printk("failed to load transform for %s: %ld\n", algo,
 158                        PTR_ERR(tfm));
 159                 return;
 160         }
 161         desc.tfm = tfm;
 162         desc.flags = 0;
 163
 164         i = 0;
 165         do {
 166
 167                 b_size = block_sizes;
 168                 do {
 169                         struct scatterlist sg[TVMEMSIZE];
 170
 171                         if ((*keysize + *b_size) > TVMEMSIZE * PAGE_SIZE) {
 172                                 printk("template (%u) too big for "
 173                                        "tvmem (%lu)\n", *keysize + *b_size,
 174                                        TVMEMSIZE * PAGE_SIZE);
 175                                 goto out;
 176                         }
 177
 178                         printk("test %u (%d bit key, %d byte blocks): ", i,
 179                                         *keysize * 8, *b_size);
 180
 181                         memset(tvmem[0], 0xff, PAGE_SIZE);
 182
 183                         /* set key, plain text and IV */
 184                         key = tvmem[0];
 185                         for (j = 0; j < tcount; j++) {
 186                                 if (template[j].klen == *keysize) {
 187                                         key = template[j].key;
 188                                         break;
 189                                 }
 190                         }
 191
 192                         ret = crypto_blkcipher_setkey(tfm, key, *keysize);
 193                         if (ret) {
 194                                 printk("setkey() failed flags=%x\n",
 195                                                 crypto_blkcipher_get_flags(tfm));
 196                                 goto out;
 197                         }
 198
 199                         sg_init_table(sg, TVMEMSIZE);
 200                         sg_set_buf(sg, tvmem[0] + *keysize,
 201                                    PAGE_SIZE - *keysize);
 202                         for (j = 1; j < TVMEMSIZE; j++) {
 203                                 sg_set_buf(sg + j, tvmem[j], PAGE_SIZE);
 204                                 memset (tvmem[j], 0xff, PAGE_SIZE);
 205                         }
 206
 207                         iv_len = crypto_blkcipher_ivsize(tfm);
 208                         if (iv_len) {
 209                                 memset(&iv, 0xff, iv_len);
 210                                 crypto_blkcipher_set_iv(tfm, iv, iv_len);
 211                         }
 212
 213                         if (sec)
 214                                 ret = test_cipher_jiffies(&desc, enc, sg,
 215                                                           *b_size, sec);
 216                         else
 217                                 ret = test_cipher_cycles(&desc, enc, sg,
 218                                                          *b_size);
 219
 220                         if (ret) {
 221                                 printk("%s() failed flags=%x\n", e, desc.flags);
 222                                 break;
 223                         }
 224                         b_size++;
 225                         i++;
 226                 } while (*b_size);
 227                 keysize++;
 228         } while (*keysize);
 229
 230 out:
 231         crypto_free_blkcipher(tfm);
 232 }
 233
 234 static int test_hash_jiffies_digest(struct hash_desc *desc,
 235                                     struct scatterlist *sg, int blen,
 236                                     char *out, int sec)
 237 {
 238         unsigned long start, end;
 239         int bcount;
 240         int ret;
 241
 242         for (start = jiffies, end = start + sec * HZ, bcount = 0;
 243              time_before(jiffies, end); bcount++) {
 244                 ret = crypto_hash_digest(desc, sg, blen, out);
 245                 if (ret)
 246                         return ret;
 247         }
 248
 249         printk("%6u opers/sec, %9lu bytes/sec\n",
 250                bcount / sec, ((long)bcount * blen) / sec);
 251
 252         return 0;
 253 }
 254
 255 static int test_hash_jiffies(struct hash_desc *desc, struct scatterlist *sg,
 256                              int blen, int plen, char *out, int sec)
 257 {
 258         unsigned long start, end;
 259         int bcount, pcount;
 260         int ret;
 261
 262         if (plen == blen)
 263                 return test_hash_jiffies_digest(desc, sg, blen, out, sec);
 264
 265         for (start = jiffies, end = start + sec * HZ, bcount = 0;
 266              time_before(jiffies, end); bcount++) {
 267                 ret = crypto_hash_init(desc);
 268                 if (ret)
 269                         return ret;
 270                 for (pcount = 0; pcount < blen; pcount += plen) {
 271                         ret = crypto_hash_update(desc, sg, plen);
 272                         if (ret)
 273                                 return ret;
 274                 }
 275                 /* we assume there is enough space in 'out' for the result */
 276                 ret = crypto_hash_final(desc, out);
 277                 if (ret)
 278                         return ret;
 279         }
 280
 281         printk("%6u opers/sec, %9lu bytes/sec\n",
 282                bcount / sec, ((long)bcount * blen) / sec);
 283
 284         return 0;
 285 }
 286
 287 static int test_hash_cycles_digest(struct hash_desc *desc,
 288                                    struct scatterlist *sg, int blen, char *out)
 289 {
 290         unsigned long cycles = 0;
 291         int i;
 292         int ret;
 293
 294         local_bh_disable();
 295         local_irq_disable();
 296
 297         /* Warm-up run. */
 298         for (i = 0; i < 4; i++) {
 299                 ret = crypto_hash_digest(desc, sg, blen, out);
 300                 if (ret)
 301                         goto out;
 302         }
 303
 304         /* The real thing. */
 305         for (i = 0; i < 8; i++) {
 306                 cycles_t start, end;
 307
 308                 start = get_cycles();
 309
 310                 ret = crypto_hash_digest(desc, sg, blen, out);
 311                 if (ret)
 312                         goto out;
 313
 314                 end = get_cycles();
 315
 316                 cycles += end - start;
 317         }
 318
 319 out:
 320         local_irq_enable();
 321         local_bh_enable();
 322
 323         if (ret)
 324                 return ret;
 325
 326         printk("%6lu cycles/operation, %4lu cycles/byte\n",
 327                cycles / 8, cycles / (8 * blen));
 328
 329         return 0;
 330 }
 331
 332 static int test_hash_cycles(struct hash_desc *desc, struct scatterlist *sg,
 333                             int blen, int plen, char *out)
 334 {
 335         unsigned long cycles = 0;
 336         int i, pcount;
 337         int ret;
 338
 339         if (plen == blen)
 340                 return test_hash_cycles_digest(desc, sg, blen, out);
 341
 342         local_bh_disable();
 343         local_irq_disable();
 344
 345         /* Warm-up run. */
 346         for (i = 0; i < 4; i++) {
 347                 ret = crypto_hash_init(desc);
 348                 if (ret)
 349                         goto out;
 350                 for (pcount = 0; pcount < blen; pcount += plen) {
 351                         ret = crypto_hash_update(desc, sg, plen);
 352                         if (ret)
 353                                 goto out;
 354                 }
 355                 ret = crypto_hash_final(desc, out);
 356                 if (ret)
 357                         goto out;
 358         }
 359
 360         /* The real thing. */
 361         for (i = 0; i < 8; i++) {
 362                 cycles_t start, end;
 363
 364                 start = get_cycles();
 365
 366                 ret = crypto_hash_init(desc);
 367                 if (ret)
 368                         goto out;
 369                 for (pcount = 0; pcount < blen; pcount += plen) {
 370                         ret = crypto_hash_update(desc, sg, plen);
 371                         if (ret)
 372                                 goto out;
 373                 }
 374                 ret = crypto_hash_final(desc, out);
 375                 if (ret)
 376                         goto out;
 377
 378                 end = get_cycles();
 379
 380                 cycles += end - start;
 381         }
 382
 383 out:
 384         local_irq_enable();
 385         local_bh_enable();
 386
 387         if (ret)
 388                 return ret;
 389
 390         printk("%6lu cycles/operation, %4lu cycles/byte\n",
 391                cycles / 8, cycles / (8 * blen));
 392
 393         return 0;
 394 }
 395
 396 static void test_hash_speed(const char *algo, unsigned int sec,
 397                             struct hash_speed *speed)
 398 {
 399         struct scatterlist sg[TVMEMSIZE];
 400         struct crypto_hash *tfm;
 401         struct hash_desc desc;
 402         static char output[1024];
 403         int i;
 404         int ret;
 405
 406         printk(KERN_INFO "\ntesting speed of %s\n", algo);
 407
 408         tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
 409
 410         if (IS_ERR(tfm)) {
 411                 printk(KERN_ERR "failed to load transform for %s: %ld\n", algo,
 412                        PTR_ERR(tfm));
 413                 return;
 414         }
 415
 416         desc.tfm = tfm;
 417         desc.flags = 0;
 418
 419         if (crypto_hash_digestsize(tfm) > sizeof(output)) {
 420                 printk(KERN_ERR "digestsize(%u) > outputbuffer(%zu)\n",
 421                        crypto_hash_digestsize(tfm), sizeof(output));
 422                 goto out;
 423         }
 424
 425         sg_init_table(sg, TVMEMSIZE);
 426         for (i = 0; i < TVMEMSIZE; i++) {
 427                 sg_set_buf(sg + i, tvmem[i], PAGE_SIZE);
 428                 memset(tvmem[i], 0xff, PAGE_SIZE);
 429         }
 430
 431         for (i = 0; speed[i].blen != 0; i++) {
 432                 if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
 433                         printk(KERN_ERR
 434                                "template (%u) too big for tvmem (%lu)\n",
 435                                speed[i].blen, TVMEMSIZE * PAGE_SIZE);
 436                         goto out;
 437                 }
 438
 439                 printk(KERN_INFO "test%3u "
 440                        "(%5u byte blocks,%5u bytes per update,%4u updates): ",
 441                        i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
 442
 443                 if (sec)
 444                         ret = test_hash_jiffies(&desc, sg, speed[i].blen,
 445                                                 speed[i].plen, output, sec);
 446                 else
 447                         ret = test_hash_cycles(&desc, sg, speed[i].blen,
 448                                                speed[i].plen, output);
 449
 450                 if (ret) {
 451                         printk(KERN_ERR "hashing failed ret=%d\n", ret);
 452                         break;
 453                 }
 454         }
 455
 456 out:
 457         crypto_free_hash(tfm);
 458 }
 459
 460 static void test_available(void)
 461 {
 462         char **name = check;
 463
 464         while (*name) {
 465                 printk("alg %s ", *name);
 466                 printk(crypto_has_alg(*name, 0, 0) ?
 467                        "found\n" : "not found\n");
 468                 name++;
 469         }
 470 }
 471
 472 static inline int tcrypt_test(const char *alg)
 473 {
 474         int ret;
 475
 476         ret = alg_test(alg, alg, 0, 0);
 477         /* non-fips algs return -EINVAL in fips mode */
 478         if (fips_enabled && ret == -EINVAL)
 479                 ret = 0;
 480         return ret;
 481 }
 482
 483 static int do_test(int m)
 484 {
 485         int i;
 486         int ret = 0;
 487
 488         switch (m) {
 489         case 0:
 490                 for (i = 1; i < 200; i++)
 491                         ret += do_test(i);
 492                 break;
 493
 494         case 1:
 495                 ret += tcrypt_test("md5");
 496                 break;
 497
 498         case 2:
 499                 ret += tcrypt_test("sha1");
 500                 break;
 501
 502         case 3:
 503                 ret += tcrypt_test("ecb(des)");
 504                 ret += tcrypt_test("cbc(des)");
 505                 break;
 506
 507         case 4:
 508                 ret += tcrypt_test("ecb(des3_ede)");
 509                 ret += tcrypt_test("cbc(des3_ede)");
 510                 break;
 511
 512         case 5:
 513                 ret += tcrypt_test("md4");
 514                 break;
 515
 516         case 6:
 517                 ret += tcrypt_test("sha256");
 518                 break;
 519
 520         case 7:
 521                 ret += tcrypt_test("ecb(blowfish)");
 522                 ret += tcrypt_test("cbc(blowfish)");
 523                 break;
 524
 525         case 8:
 526                 ret += tcrypt_test("ecb(twofish)");
 527                 ret += tcrypt_test("cbc(twofish)");
 528                 break;
 529
 530         case 9:
 531                 ret += tcrypt_test("ecb(serpent)");
 532                 break;
 533
 534         case 10:
 535                 ret += tcrypt_test("ecb(aes)");
 536                 ret += tcrypt_test("cbc(aes)");
 537                 ret += tcrypt_test("lrw(aes)");
 538                 ret += tcrypt_test("xts(aes)");
 539                 ret += tcrypt_test("ctr(aes)");
 540                 ret += tcrypt_test("rfc3686(ctr(aes))");
 541                 break;
 542
 543         case 11:
 544                 ret += tcrypt_test("sha384");
 545                 break;
 546
 547         case 12:
 548                 ret += tcrypt_test("sha512");
 549                 break;
 550
 551         case 13:
 552                 ret += tcrypt_test("deflate");
 553                 break;
 554
 555         case 14:
 556                 ret += tcrypt_test("ecb(cast5)");
 557                 break;
 558
 559         case 15:
 560                 ret += tcrypt_test("ecb(cast6)");
 561                 break;
 562
 563         case 16:
 564                 ret += tcrypt_test("ecb(arc4)");
 565                 break;
 566
 567         case 17:
 568                 ret += tcrypt_test("michael_mic");
 569                 break;
 570
 571         case 18:
 572                 ret += tcrypt_test("crc32c");
 573                 break;
 574
 575         case 19:
 576                 ret += tcrypt_test("ecb(tea)");
 577                 break;
 578
 579         case 20:
 580                 ret += tcrypt_test("ecb(xtea)");
 581                 break;
 582
 583         case 21:
 584                 ret += tcrypt_test("ecb(khazad)");
 585                 break;
 586
 587         case 22:
 588                 ret += tcrypt_test("wp512");
 589                 break;
 590
 591         case 23:
 592                 ret += tcrypt_test("wp384");
 593                 break;
 594
 595         case 24:
 596                 ret += tcrypt_test("wp256");
 597                 break;
 598
 599         case 25:
 600                 ret += tcrypt_test("ecb(tnepres)");
 601                 break;
 602
 603         case 26:
 604                 ret += tcrypt_test("ecb(anubis)");
 605                 ret += tcrypt_test("cbc(anubis)");
 606                 break;
 607
 608         case 27:
 609                 ret += tcrypt_test("tgr192");
 610                 break;
 611
 612         case 28:
 613
 614                 ret += tcrypt_test("tgr160");
 615                 break;
 616
 617         case 29:
 618                 ret += tcrypt_test("tgr128");
 619                 break;
 620
 621         case 30:
 622                 ret += tcrypt_test("ecb(xeta)");
 623                 break;
 624
 625         case 31:
 626                 ret += tcrypt_test("pcbc(fcrypt)");
 627                 break;
 628
 629         case 32:
 630                 ret += tcrypt_test("ecb(camellia)");
 631                 ret += tcrypt_test("cbc(camellia)");
 632                 break;
 633         case 33:
 634                 ret += tcrypt_test("sha224");
 635                 break;
 636
 637         case 34:
 638                 ret += tcrypt_test("salsa20");
 639                 break;
 640
 641         case 35:
 642                 ret += tcrypt_test("gcm(aes)");
 643                 break;
 644
 645         case 36:
 646                 ret += tcrypt_test("lzo");
 647                 break;
 648
 649         case 37:
 650                 ret += tcrypt_test("ccm(aes)");
 651                 break;
 652
 653         case 38:
 654                 ret += tcrypt_test("cts(cbc(aes))");
 655                 break;
 656
 657         case 39:
 658                 ret += tcrypt_test("rmd128");
 659                 break;
 660
 661         case 40:
 662                 ret += tcrypt_test("rmd160");
 663                 break;
 664
 665         case 41:
 666                 ret += tcrypt_test("rmd256");
 667                 break;
 668
 669         case 42:
 670                 ret += tcrypt_test("rmd320");
 671                 break;
 672
 673         case 43:
 674                 ret += tcrypt_test("ecb(seed)");
 675                 break;
 676
 677         case 44:
 678                 ret += tcrypt_test("zlib");
 679                 break;
 680
 681         case 45:
 682                 ret += tcrypt_test("rfc4309(ccm(aes))");
 683                 break;
 684
 685         case 100:
 686                 ret += tcrypt_test("hmac(md5)");
 687                 break;
 688
 689         case 101:
 690                 ret += tcrypt_test("hmac(sha1)");
 691                 break;
 692
 693         case 102:
 694                 ret += tcrypt_test("hmac(sha256)");
 695                 break;
 696
 697         case 103:
 698                 ret += tcrypt_test("hmac(sha384)");
 699                 break;
 700
 701         case 104:
 702                 ret += tcrypt_test("hmac(sha512)");
 703                 break;
 704
 705         case 105:
 706                 ret += tcrypt_test("hmac(sha224)");
 707                 break;
 708
 709         case 106:
 710                 ret += tcrypt_test("xcbc(aes)");
 711                 break;
 712
 713         case 107:
 714                 ret += tcrypt_test("hmac(rmd128)");
 715                 break;
 716
 717         case 108:
 718                 ret += tcrypt_test("hmac(rmd160)");
 719                 break;
 720
 721         case 150:
 722                 ret += tcrypt_test("ansi_cprng");
 723                 break;
 724
 725         case 200:
 726                 test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
 727                                 speed_template_16_24_32);
 728                 test_cipher_speed("ecb(aes)", DECRYPT, sec, NULL, 0,
 729                                 speed_template_16_24_32);
 730                 test_cipher_speed("cbc(aes)", ENCRYPT, sec, NULL, 0,
 731                                 speed_template_16_24_32);
 732                 test_cipher_speed("cbc(aes)", DECRYPT, sec, NULL, 0,
 733                                 speed_template_16_24_32);
 734                 test_cipher_speed("lrw(aes)", ENCRYPT, sec, NULL, 0,
 735                                 speed_template_32_40_48);
 736                 test_cipher_speed("lrw(aes)", DECRYPT, sec, NULL, 0,
 737                                 speed_template_32_40_48);
 738                 test_cipher_speed("xts(aes)", ENCRYPT, sec, NULL, 0,
 739                                 speed_template_32_48_64);
 740                 test_cipher_speed("xts(aes)", DECRYPT, sec, NULL, 0,
 741                                 speed_template_32_48_64);
 742                 break;
 743
 744         case 201:
 745                 test_cipher_speed("ecb(des3_ede)", ENCRYPT, sec,
 746                                 des3_speed_template, DES3_SPEED_VECTORS,
 747                                 speed_template_24);
 748                 test_cipher_speed("ecb(des3_ede)", DECRYPT, sec,
 749                                 des3_speed_template, DES3_SPEED_VECTORS,
 750                                 speed_template_24);
 751                 test_cipher_speed("cbc(des3_ede)", ENCRYPT, sec,
 752                                 des3_speed_template, DES3_SPEED_VECTORS,
 753                                 speed_template_24);
 754                 test_cipher_speed("cbc(des3_ede)", DECRYPT, sec,
 755                                 des3_speed_template, DES3_SPEED_VECTORS,
 756                                 speed_template_24);
 757                 break;
 758
 759         case 202:
 760                 test_cipher_speed("ecb(twofish)", ENCRYPT, sec, NULL, 0,
 761                                 speed_template_16_24_32);
 762                 test_cipher_speed("ecb(twofish)", DECRYPT, sec, NULL, 0,
 763                                 speed_template_16_24_32);
 764                 test_cipher_speed("cbc(twofish)", ENCRYPT, sec, NULL, 0,
 765                                 speed_template_16_24_32);
 766                 test_cipher_speed("cbc(twofish)", DECRYPT, sec, NULL, 0,
 767                                 speed_template_16_24_32);
 768                 break;
 769
 770         case 203:
 771                 test_cipher_speed("ecb(blowfish)", ENCRYPT, sec, NULL, 0,
 772                                   speed_template_8_32);
 773                 test_cipher_speed("ecb(blowfish)", DECRYPT, sec, NULL, 0,
 774                                   speed_template_8_32);
 775                 test_cipher_speed("cbc(blowfish)", ENCRYPT, sec, NULL, 0,
 776                                   speed_template_8_32);
 777                 test_cipher_speed("cbc(blowfish)", DECRYPT, sec, NULL, 0,
 778                                   speed_template_8_32);
 779                 break;
 780
 781         case 204:
 782                 test_cipher_speed("ecb(des)", ENCRYPT, sec, NULL, 0,
 783                                   speed_template_8);
 784                 test_cipher_speed("ecb(des)", DECRYPT, sec, NULL, 0,
 785                                   speed_template_8);
 786                 test_cipher_speed("cbc(des)", ENCRYPT, sec, NULL, 0,
 787                                   speed_template_8);
 788                 test_cipher_speed("cbc(des)", DECRYPT, sec, NULL, 0,
 789                                   speed_template_8);
 790                 break;
 791
 792         case 205:
 793                 test_cipher_speed("ecb(camellia)", ENCRYPT, sec, NULL, 0,
 794                                 speed_template_16_24_32);
 795                 test_cipher_speed("ecb(camellia)", DECRYPT, sec, NULL, 0,
 796                                 speed_template_16_24_32);
 797                 test_cipher_speed("cbc(camellia)", ENCRYPT, sec, NULL, 0,
 798                                 speed_template_16_24_32);
 799                 test_cipher_speed("cbc(camellia)", DECRYPT, sec, NULL, 0,
 800                                 speed_template_16_24_32);
 801                 break;
 802
 803         case 206:
 804                 test_cipher_speed("salsa20", ENCRYPT, sec, NULL, 0,
 805                                   speed_template_16_32);
 806                 break;
 807
 808         case 300:
 809                 /* fall through */
 810
 811         case 301:
 812                 test_hash_speed("md4", sec, generic_hash_speed_template);
 813                 if (mode > 300 && mode < 400) break;
 814
 815         case 302:
 816                 test_hash_speed("md5", sec, generic_hash_speed_template);
 817                 if (mode > 300 && mode < 400) break;
 818
 819         case 303:
 820                 test_hash_speed("sha1", sec, generic_hash_speed_template);
 821                 if (mode > 300 && mode < 400) break;
 822
 823         case 304:
 824                 test_hash_speed("sha256", sec, generic_hash_speed_template);
 825                 if (mode > 300 && mode < 400) break;
 826
 827         case 305:
 828                 test_hash_speed("sha384", sec, generic_hash_speed_template);
 829                 if (mode > 300 && mode < 400) break;
 830
 831         case 306:
 832                 test_hash_speed("sha512", sec, generic_hash_speed_template);
 833                 if (mode > 300 && mode < 400) break;
 834
 835         case 307:
 836                 test_hash_speed("wp256", sec, generic_hash_speed_template);
 837                 if (mode > 300 && mode < 400) break;
 838
 839         case 308:
 840                 test_hash_speed("wp384", sec, generic_hash_speed_template);
 841                 if (mode > 300 && mode < 400) break;
 842
 843         case 309:
 844                 test_hash_speed("wp512", sec, generic_hash_speed_template);
 845                 if (mode > 300 && mode < 400) break;
 846
 847         case 310:
 848                 test_hash_speed("tgr128", sec, generic_hash_speed_template);
 849                 if (mode > 300 && mode < 400) break;
 850
 851         case 311:
 852                 test_hash_speed("tgr160", sec, generic_hash_speed_template);
 853                 if (mode > 300 && mode < 400) break;
 854
 855         case 312:
 856                 test_hash_speed("tgr192", sec, generic_hash_speed_template);
 857                 if (mode > 300 && mode < 400) break;
 858
 859         case 313:
 860                 test_hash_speed("sha224", sec, generic_hash_speed_template);
 861                 if (mode > 300 && mode < 400) break;
 862
 863         case 314:
 864                 test_hash_speed("rmd128", sec, generic_hash_speed_template);
 865                 if (mode > 300 && mode < 400) break;
 866
 867         case 315:
 868                 test_hash_speed("rmd160", sec, generic_hash_speed_template);
 869                 if (mode > 300 && mode < 400) break;
 870
 871         case 316:
 872                 test_hash_speed("rmd256", sec, generic_hash_speed_template);
 873                 if (mode > 300 && mode < 400) break;
 874
 875         case 317:
 876                 test_hash_speed("rmd320", sec, generic_hash_speed_template);
 877                 if (mode > 300 && mode < 400) break;
 878
 879         case 399:
 880                 break;
 881
 882         case 1000:
 883                 test_available();
 884                 break;
 885         }
 886
 887         return ret;
 888 }
 889
 890 static int do_alg_test(const char *alg, u32 type)
 891 {
 892         return crypto_has_alg(alg, type, CRYPTO_ALG_TYPE_MASK) ? 0 : -ENOENT;
 893 }
 894
 895 static int __init tcrypt_mod_init(void)
 896 {
 897         int err = -ENOMEM;
 898         int i;
 899
 900         for (i = 0; i < TVMEMSIZE; i++) {
 901                 tvmem[i] = (void *)__get_free_page(GFP_KERNEL);
 902                 if (!tvmem[i])
 903                         goto err_free_tv;
 904         }
 905
 906         if (alg)
 907                 err = do_alg_test(alg, type);
 908         else
 909                 err = do_test(mode);
 910
 911         if (err) {
 912                 printk(KERN_ERR "tcrypt: one or more tests failed!\n");
 913                 goto err_free_tv;
 914         }
 915
 916         /* We intentionaly return -EAGAIN to prevent keeping the module,
 917          * unless we're running in fips mode. It does all its work from
 918          * init() and doesn't offer any runtime functionality, but in
 919          * the fips case, checking for a successful load is helpful.
 920          * => we don't need it in the memory, do we?
 921          *                                        -- mludvig
 922          */
 923         if (!fips_enabled)
 924                 err = -EAGAIN;
 925
 926 err_free_tv:
 927         for (i = 0; i < TVMEMSIZE && tvmem[i]; i++)
 928                 free_page((unsigned long)tvmem[i]);
 929
 930         return err;
 931 }
 932
 933 /*
 934  * If an init function is provided, an exit function must also be provided
 935  * to allow module unload.
 936  */
 937 static void __exit tcrypt_mod_fini(void) { }
 938
 939 module_init(tcrypt_mod_init);
 940 module_exit(tcrypt_mod_fini);
 941
 942 module_param(alg, charp, 0);
 943 module_param(type, uint, 0);
 944 module_param(mode, int, 0);
 945 module_param(sec, uint, 0);
 946 MODULE_PARM_DESC(sec, "Length in seconds of speed tests "
 947                       "(defaults to zero which uses CPU cycles instead)");
 948
 949 MODULE_LICENSE("GPL");
 950 MODULE_DESCRIPTION("Quick & dirty crypto testing module");
 951 MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");