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 u32 mask;
  51 static int mode;
  52 static char *tvmem[TVMEMSIZE];
  53
  54 static char *check[] = {
  55         "des", "md5", "des3_ede", "rot13", "sha1", "sha224", "sha256",
  56         "blowfish", "twofish", "serpent", "sha384", "sha512", "md4", "aes",
  57         "cast6", "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
  58         "khazad", "wp512", "wp384", "wp256", "tnepres", "xeta",  "fcrypt",
  59         "camellia", "seed", "salsa20", "rmd128", "rmd160", "rmd256", "rmd320",
  60         "lzo", "cts", "zlib", NULL
  61 };
  62
  63 static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc,
  64                                struct scatterlist *sg, int blen, int sec)
  65 {
  66         unsigned long start, end;
  67         int bcount;
  68         int ret;
  69
  70         for (start = jiffies, end = start + sec * HZ, bcount = 0;
  71              time_before(jiffies, end); bcount++) {
  72                 if (enc)
  73                         ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
  74                 else
  75                         ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
  76
  77                 if (ret)
  78                         return ret;
  79         }
  80
  81         printk("%d operations in %d seconds (%ld bytes)\n",
  82                bcount, sec, (long)bcount * blen);
  83         return 0;
  84 }
  85
  86 static int test_cipher_cycles(struct blkcipher_desc *desc, int enc,
  87                               struct scatterlist *sg, int blen)
  88 {
  89         unsigned long cycles = 0;
  90         int ret = 0;
  91         int i;
  92
  93         local_bh_disable();
  94         local_irq_disable();
  95
  96         /* Warm-up run. */
  97         for (i = 0; i < 4; i++) {
  98                 if (enc)
  99                         ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
 100                 else
 101                         ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
 102
 103                 if (ret)
 104                         goto out;
 105         }
 106
 107         /* The real thing. */
 108         for (i = 0; i < 8; i++) {
 109                 cycles_t start, end;
 110
 111                 start = get_cycles();
 112                 if (enc)
 113                         ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
 114                 else
 115                         ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
 116                 end = get_cycles();
 117
 118                 if (ret)
 119                         goto out;
 120
 121                 cycles += end - start;
 122         }
 123
 124 out:
 125         local_irq_enable();
 126         local_bh_enable();
 127
 128         if (ret == 0)
 129                 printk("1 operation in %lu cycles (%d bytes)\n",
 130                        (cycles + 4) / 8, blen);
 131
 132         return ret;
 133 }
 134
 135 static u32 block_sizes[] = { 16, 64, 256, 1024, 8192, 0 };
 136
 137 static void test_cipher_speed(const char *algo, int enc, unsigned int sec,
 138                               struct cipher_speed_template *template,
 139                               unsigned int tcount, u8 *keysize)
 140 {
 141         unsigned int ret, i, j, iv_len;
 142         const char *key, iv[128];
 143         struct crypto_blkcipher *tfm;
 144         struct blkcipher_desc desc;
 145         const char *e;
 146         u32 *b_size;
 147
 148         if (enc == ENCRYPT)
 149                 e = "encryption";
 150         else
 151                 e = "decryption";
 152
 153         printk("\ntesting speed of %s %s\n", algo, e);
 154
 155         tfm = crypto_alloc_blkcipher(algo, 0, CRYPTO_ALG_ASYNC);
 156
 157         if (IS_ERR(tfm)) {
 158                 printk("failed to load transform for %s: %ld\n", algo,
 159                        PTR_ERR(tfm));
 160                 return;
 161         }
 162         desc.tfm = tfm;
 163         desc.flags = 0;
 164
 165         i = 0;
 166         do {
 167
 168                 b_size = block_sizes;
 169                 do {
 170                         struct scatterlist sg[TVMEMSIZE];
 171
 172                         if ((*keysize + *b_size) > TVMEMSIZE * PAGE_SIZE) {
 173                                 printk("template (%u) too big for "
 174                                        "tvmem (%lu)\n", *keysize + *b_size,
 175                                        TVMEMSIZE * PAGE_SIZE);
 176                                 goto out;
 177                         }
 178
 179                         printk("test %u (%d bit key, %d byte blocks): ", i,
 180                                         *keysize * 8, *b_size);
 181
 182                         memset(tvmem[0], 0xff, PAGE_SIZE);
 183
 184                         /* set key, plain text and IV */
 185                         key = tvmem[0];
 186                         for (j = 0; j < tcount; j++) {
 187                                 if (template[j].klen == *keysize) {
 188                                         key = template[j].key;
 189                                         break;
 190                                 }
 191                         }
 192
 193                         ret = crypto_blkcipher_setkey(tfm, key, *keysize);
 194                         if (ret) {
 195                                 printk("setkey() failed flags=%x\n",
 196                                                 crypto_blkcipher_get_flags(tfm));
 197                                 goto out;
 198                         }
 199
 200                         sg_init_table(sg, TVMEMSIZE);
 201                         sg_set_buf(sg, tvmem[0] + *keysize,
 202                                    PAGE_SIZE - *keysize);
 203                         for (j = 1; j < TVMEMSIZE; j++) {
 204                                 sg_set_buf(sg + j, tvmem[j], PAGE_SIZE);
 205                                 memset (tvmem[j], 0xff, PAGE_SIZE);
 206                         }
 207
 208                         iv_len = crypto_blkcipher_ivsize(tfm);
 209                         if (iv_len) {
 210                                 memset(&iv, 0xff, iv_len);
 211                                 crypto_blkcipher_set_iv(tfm, iv, iv_len);
 212                         }
 213
 214                         if (sec)
 215                                 ret = test_cipher_jiffies(&desc, enc, sg,
 216                                                           *b_size, sec);
 217                         else
 218                                 ret = test_cipher_cycles(&desc, enc, sg,
 219                                                          *b_size);
 220
 221                         if (ret) {
 222                                 printk("%s() failed flags=%x\n", e, desc.flags);
 223                                 break;
 224                         }
 225                         b_size++;
 226                         i++;
 227                 } while (*b_size);
 228                 keysize++;
 229         } while (*keysize);
 230
 231 out:
 232         crypto_free_blkcipher(tfm);
 233 }
 234
 235 static int test_hash_jiffies_digest(struct hash_desc *desc,
 236                                     struct scatterlist *sg, int blen,
 237                                     char *out, int sec)
 238 {
 239         unsigned long start, end;
 240         int bcount;
 241         int ret;
 242
 243         for (start = jiffies, end = start + sec * HZ, bcount = 0;
 244              time_before(jiffies, end); bcount++) {
 245                 ret = crypto_hash_digest(desc, sg, blen, out);
 246                 if (ret)
 247                         return ret;
 248         }
 249
 250         printk("%6u opers/sec, %9lu bytes/sec\n",
 251                bcount / sec, ((long)bcount * blen) / sec);
 252
 253         return 0;
 254 }
 255
 256 static int test_hash_jiffies(struct hash_desc *desc, struct scatterlist *sg,
 257                              int blen, int plen, char *out, int sec)
 258 {
 259         unsigned long start, end;
 260         int bcount, pcount;
 261         int ret;
 262
 263         if (plen == blen)
 264                 return test_hash_jiffies_digest(desc, sg, blen, out, sec);
 265
 266         for (start = jiffies, end = start + sec * HZ, bcount = 0;
 267              time_before(jiffies, end); bcount++) {
 268                 ret = crypto_hash_init(desc);
 269                 if (ret)
 270                         return ret;
 271                 for (pcount = 0; pcount < blen; pcount += plen) {
 272                         ret = crypto_hash_update(desc, sg, plen);
 273                         if (ret)
 274                                 return ret;
 275                 }
 276                 /* we assume there is enough space in 'out' for the result */
 277                 ret = crypto_hash_final(desc, out);
 278                 if (ret)
 279                         return ret;
 280         }
 281
 282         printk("%6u opers/sec, %9lu bytes/sec\n",
 283                bcount / sec, ((long)bcount * blen) / sec);
 284
 285         return 0;
 286 }
 287
 288 static int test_hash_cycles_digest(struct hash_desc *desc,
 289                                    struct scatterlist *sg, int blen, char *out)
 290 {
 291         unsigned long cycles = 0;
 292         int i;
 293         int ret;
 294
 295         local_bh_disable();
 296         local_irq_disable();
 297
 298         /* Warm-up run. */
 299         for (i = 0; i < 4; i++) {
 300                 ret = crypto_hash_digest(desc, sg, blen, out);
 301                 if (ret)
 302                         goto out;
 303         }
 304
 305         /* The real thing. */
 306         for (i = 0; i < 8; i++) {
 307                 cycles_t start, end;
 308
 309                 start = get_cycles();
 310
 311                 ret = crypto_hash_digest(desc, sg, blen, out);
 312                 if (ret)
 313                         goto out;
 314
 315                 end = get_cycles();
 316
 317                 cycles += end - start;
 318         }
 319
 320 out:
 321         local_irq_enable();
 322         local_bh_enable();
 323
 324         if (ret)
 325                 return ret;
 326
 327         printk("%6lu cycles/operation, %4lu cycles/byte\n",
 328                cycles / 8, cycles / (8 * blen));
 329
 330         return 0;
 331 }
 332
 333 static int test_hash_cycles(struct hash_desc *desc, struct scatterlist *sg,
 334                             int blen, int plen, char *out)
 335 {
 336         unsigned long cycles = 0;
 337         int i, pcount;
 338         int ret;
 339
 340         if (plen == blen)
 341                 return test_hash_cycles_digest(desc, sg, blen, out);
 342
 343         local_bh_disable();
 344         local_irq_disable();
 345
 346         /* Warm-up run. */
 347         for (i = 0; i < 4; i++) {
 348                 ret = crypto_hash_init(desc);
 349                 if (ret)
 350                         goto out;
 351                 for (pcount = 0; pcount < blen; pcount += plen) {
 352                         ret = crypto_hash_update(desc, sg, plen);
 353                         if (ret)
 354                                 goto out;
 355                 }
 356                 ret = crypto_hash_final(desc, out);
 357                 if (ret)
 358                         goto out;
 359         }
 360
 361         /* The real thing. */
 362         for (i = 0; i < 8; i++) {
 363                 cycles_t start, end;
 364
 365                 start = get_cycles();
 366
 367                 ret = crypto_hash_init(desc);
 368                 if (ret)
 369                         goto out;
 370                 for (pcount = 0; pcount < blen; pcount += plen) {
 371                         ret = crypto_hash_update(desc, sg, plen);
 372                         if (ret)
 373                                 goto out;
 374                 }
 375                 ret = crypto_hash_final(desc, out);
 376                 if (ret)
 377                         goto out;
 378
 379                 end = get_cycles();
 380
 381                 cycles += end - start;
 382         }
 383
 384 out:
 385         local_irq_enable();
 386         local_bh_enable();
 387
 388         if (ret)
 389                 return ret;
 390
 391         printk("%6lu cycles/operation, %4lu cycles/byte\n",
 392                cycles / 8, cycles / (8 * blen));
 393
 394         return 0;
 395 }
 396
 397 static void test_hash_speed(const char *algo, unsigned int sec,
 398                             struct hash_speed *speed)
 399 {
 400         struct scatterlist sg[TVMEMSIZE];
 401         struct crypto_hash *tfm;
 402         struct hash_desc desc;
 403         static char output[1024];
 404         int i;
 405         int ret;
 406
 407         printk(KERN_INFO "\ntesting speed of %s\n", algo);
 408
 409         tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
 410
 411         if (IS_ERR(tfm)) {
 412                 printk(KERN_ERR "failed to load transform for %s: %ld\n", algo,
 413                        PTR_ERR(tfm));
 414                 return;
 415         }
 416
 417         desc.tfm = tfm;
 418         desc.flags = 0;
 419
 420         if (crypto_hash_digestsize(tfm) > sizeof(output)) {
 421                 printk(KERN_ERR "digestsize(%u) > outputbuffer(%zu)\n",
 422                        crypto_hash_digestsize(tfm), sizeof(output));
 423                 goto out;
 424         }
 425
 426         sg_init_table(sg, TVMEMSIZE);
 427         for (i = 0; i < TVMEMSIZE; i++) {
 428                 sg_set_buf(sg + i, tvmem[i], PAGE_SIZE);
 429                 memset(tvmem[i], 0xff, PAGE_SIZE);
 430         }
 431
 432         for (i = 0; speed[i].blen != 0; i++) {
 433                 if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
 434                         printk(KERN_ERR
 435                                "template (%u) too big for tvmem (%lu)\n",
 436                                speed[i].blen, TVMEMSIZE * PAGE_SIZE);
 437                         goto out;
 438                 }
 439
 440                 if (speed[i].klen)
 441                         crypto_hash_setkey(tfm, tvmem[0], speed[i].klen);
 442
 443                 printk(KERN_INFO "test%3u "
 444                        "(%5u byte blocks,%5u bytes per update,%4u updates): ",
 445                        i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
 446
 447                 if (sec)
 448                         ret = test_hash_jiffies(&desc, sg, speed[i].blen,
 449                                                 speed[i].plen, output, sec);
 450                 else
 451                         ret = test_hash_cycles(&desc, sg, speed[i].blen,
 452                                                speed[i].plen, output);
 453
 454                 if (ret) {
 455                         printk(KERN_ERR "hashing failed ret=%d\n", ret);
 456                         break;
 457                 }
 458         }
 459
 460 out:
 461         crypto_free_hash(tfm);
 462 }
 463
 464 static void test_available(void)
 465 {
 466         char **name = check;
 467
 468         while (*name) {
 469                 printk("alg %s ", *name);
 470                 printk(crypto_has_alg(*name, 0, 0) ?
 471                        "found\n" : "not found\n");
 472                 name++;
 473         }
 474 }
 475
 476 static inline int tcrypt_test(const char *alg)
 477 {
 478         int ret;
 479
 480         ret = alg_test(alg, alg, 0, 0);
 481         /* non-fips algs return -EINVAL in fips mode */
 482         if (fips_enabled && ret == -EINVAL)
 483                 ret = 0;
 484         return ret;
 485 }
 486
 487 static int do_test(int m)
 488 {
 489         int i;
 490         int ret = 0;
 491
 492         switch (m) {
 493         case 0:
 494                 for (i = 1; i < 200; i++)
 495                         ret += do_test(i);
 496                 break;
 497
 498         case 1:
 499                 ret += tcrypt_test("md5");
 500                 break;
 501
 502         case 2:
 503                 ret += tcrypt_test("sha1");
 504                 break;
 505
 506         case 3:
 507                 ret += tcrypt_test("ecb(des)");
 508                 ret += tcrypt_test("cbc(des)");
 509                 break;
 510
 511         case 4:
 512                 ret += tcrypt_test("ecb(des3_ede)");
 513                 ret += tcrypt_test("cbc(des3_ede)");
 514                 break;
 515
 516         case 5:
 517                 ret += tcrypt_test("md4");
 518                 break;
 519
 520         case 6:
 521                 ret += tcrypt_test("sha256");
 522                 break;
 523
 524         case 7:
 525                 ret += tcrypt_test("ecb(blowfish)");
 526                 ret += tcrypt_test("cbc(blowfish)");
 527                 break;
 528
 529         case 8:
 530                 ret += tcrypt_test("ecb(twofish)");
 531                 ret += tcrypt_test("cbc(twofish)");
 532                 break;
 533
 534         case 9:
 535                 ret += tcrypt_test("ecb(serpent)");
 536                 break;
 537
 538         case 10:
 539                 ret += tcrypt_test("ecb(aes)");
 540                 ret += tcrypt_test("cbc(aes)");
 541                 ret += tcrypt_test("lrw(aes)");
 542                 ret += tcrypt_test("xts(aes)");
 543                 ret += tcrypt_test("ctr(aes)");
 544                 ret += tcrypt_test("rfc3686(ctr(aes))");
 545                 break;
 546
 547         case 11:
 548                 ret += tcrypt_test("sha384");
 549                 break;
 550
 551         case 12:
 552                 ret += tcrypt_test("sha512");
 553                 break;
 554
 555         case 13:
 556                 ret += tcrypt_test("deflate");
 557                 break;
 558
 559         case 14:
 560                 ret += tcrypt_test("ecb(cast5)");
 561                 break;
 562
 563         case 15:
 564                 ret += tcrypt_test("ecb(cast6)");
 565                 break;
 566
 567         case 16:
 568                 ret += tcrypt_test("ecb(arc4)");
 569                 break;
 570
 571         case 17:
 572                 ret += tcrypt_test("michael_mic");
 573                 break;
 574
 575         case 18:
 576                 ret += tcrypt_test("crc32c");
 577                 break;
 578
 579         case 19:
 580                 ret += tcrypt_test("ecb(tea)");
 581                 break;
 582
 583         case 20:
 584                 ret += tcrypt_test("ecb(xtea)");
 585                 break;
 586
 587         case 21:
 588                 ret += tcrypt_test("ecb(khazad)");
 589                 break;
 590
 591         case 22:
 592                 ret += tcrypt_test("wp512");
 593                 break;
 594
 595         case 23:
 596                 ret += tcrypt_test("wp384");
 597                 break;
 598
 599         case 24:
 600                 ret += tcrypt_test("wp256");
 601                 break;
 602
 603         case 25:
 604                 ret += tcrypt_test("ecb(tnepres)");
 605                 break;
 606
 607         case 26:
 608                 ret += tcrypt_test("ecb(anubis)");
 609                 ret += tcrypt_test("cbc(anubis)");
 610                 break;
 611
 612         case 27:
 613                 ret += tcrypt_test("tgr192");
 614                 break;
 615
 616         case 28:
 617
 618                 ret += tcrypt_test("tgr160");
 619                 break;
 620
 621         case 29:
 622                 ret += tcrypt_test("tgr128");
 623                 break;
 624
 625         case 30:
 626                 ret += tcrypt_test("ecb(xeta)");
 627                 break;
 628
 629         case 31:
 630                 ret += tcrypt_test("pcbc(fcrypt)");
 631                 break;
 632
 633         case 32:
 634                 ret += tcrypt_test("ecb(camellia)");
 635                 ret += tcrypt_test("cbc(camellia)");
 636                 break;
 637         case 33:
 638                 ret += tcrypt_test("sha224");
 639                 break;
 640
 641         case 34:
 642                 ret += tcrypt_test("salsa20");
 643                 break;
 644
 645         case 35:
 646                 ret += tcrypt_test("gcm(aes)");
 647                 break;
 648
 649         case 36:
 650                 ret += tcrypt_test("lzo");
 651                 break;
 652
 653         case 37:
 654                 ret += tcrypt_test("ccm(aes)");
 655                 break;
 656
 657         case 38:
 658                 ret += tcrypt_test("cts(cbc(aes))");
 659                 break;
 660
 661         case 39:
 662                 ret += tcrypt_test("rmd128");
 663                 break;
 664
 665         case 40:
 666                 ret += tcrypt_test("rmd160");
 667                 break;
 668
 669         case 41:
 670                 ret += tcrypt_test("rmd256");
 671                 break;
 672
 673         case 42:
 674                 ret += tcrypt_test("rmd320");
 675                 break;
 676
 677         case 43:
 678                 ret += tcrypt_test("ecb(seed)");
 679                 break;
 680
 681         case 44:
 682                 ret += tcrypt_test("zlib");
 683                 break;
 684
 685         case 45:
 686                 ret += tcrypt_test("rfc4309(ccm(aes))");
 687                 break;
 688
 689         case 100:
 690                 ret += tcrypt_test("hmac(md5)");
 691                 break;
 692
 693         case 101:
 694                 ret += tcrypt_test("hmac(sha1)");
 695                 break;
 696
 697         case 102:
 698                 ret += tcrypt_test("hmac(sha256)");
 699                 break;
 700
 701         case 103:
 702                 ret += tcrypt_test("hmac(sha384)");
 703                 break;
 704
 705         case 104:
 706                 ret += tcrypt_test("hmac(sha512)");
 707                 break;
 708
 709         case 105:
 710                 ret += tcrypt_test("hmac(sha224)");
 711                 break;
 712
 713         case 106:
 714                 ret += tcrypt_test("xcbc(aes)");
 715                 break;
 716
 717         case 107:
 718                 ret += tcrypt_test("hmac(rmd128)");
 719                 break;
 720
 721         case 108:
 722                 ret += tcrypt_test("hmac(rmd160)");
 723                 break;
 724
 725         case 109:
 726                 ret += tcrypt_test("vmac(aes)");
 727                 break;
 728
 729         case 150:
 730                 ret += tcrypt_test("ansi_cprng");
 731                 break;
 732
 733         case 200:
 734                 test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
 735                                 speed_template_16_24_32);
 736                 test_cipher_speed("ecb(aes)", DECRYPT, sec, NULL, 0,
 737                                 speed_template_16_24_32);
 738                 test_cipher_speed("cbc(aes)", ENCRYPT, sec, NULL, 0,
 739                                 speed_template_16_24_32);
 740                 test_cipher_speed("cbc(aes)", DECRYPT, sec, NULL, 0,
 741                                 speed_template_16_24_32);
 742                 test_cipher_speed("lrw(aes)", ENCRYPT, sec, NULL, 0,
 743                                 speed_template_32_40_48);
 744                 test_cipher_speed("lrw(aes)", DECRYPT, sec, NULL, 0,
 745                                 speed_template_32_40_48);
 746                 test_cipher_speed("xts(aes)", ENCRYPT, sec, NULL, 0,
 747                                 speed_template_32_48_64);
 748                 test_cipher_speed("xts(aes)", DECRYPT, sec, NULL, 0,
 749                                 speed_template_32_48_64);
 750                 break;
 751
 752         case 201:
 753                 test_cipher_speed("ecb(des3_ede)", ENCRYPT, sec,
 754                                 des3_speed_template, DES3_SPEED_VECTORS,
 755                                 speed_template_24);
 756                 test_cipher_speed("ecb(des3_ede)", DECRYPT, sec,
 757                                 des3_speed_template, DES3_SPEED_VECTORS,
 758                                 speed_template_24);
 759                 test_cipher_speed("cbc(des3_ede)", ENCRYPT, sec,
 760                                 des3_speed_template, DES3_SPEED_VECTORS,
 761                                 speed_template_24);
 762                 test_cipher_speed("cbc(des3_ede)", DECRYPT, sec,
 763                                 des3_speed_template, DES3_SPEED_VECTORS,
 764                                 speed_template_24);
 765                 break;
 766
 767         case 202:
 768                 test_cipher_speed("ecb(twofish)", ENCRYPT, sec, NULL, 0,
 769                                 speed_template_16_24_32);
 770                 test_cipher_speed("ecb(twofish)", DECRYPT, sec, NULL, 0,
 771                                 speed_template_16_24_32);
 772                 test_cipher_speed("cbc(twofish)", ENCRYPT, sec, NULL, 0,
 773                                 speed_template_16_24_32);
 774                 test_cipher_speed("cbc(twofish)", DECRYPT, sec, NULL, 0,
 775                                 speed_template_16_24_32);
 776                 break;
 777
 778         case 203:
 779                 test_cipher_speed("ecb(blowfish)", ENCRYPT, sec, NULL, 0,
 780                                   speed_template_8_32);
 781                 test_cipher_speed("ecb(blowfish)", DECRYPT, sec, NULL, 0,
 782                                   speed_template_8_32);
 783                 test_cipher_speed("cbc(blowfish)", ENCRYPT, sec, NULL, 0,
 784                                   speed_template_8_32);
 785                 test_cipher_speed("cbc(blowfish)", DECRYPT, sec, NULL, 0,
 786                                   speed_template_8_32);
 787                 break;
 788
 789         case 204:
 790                 test_cipher_speed("ecb(des)", ENCRYPT, sec, NULL, 0,
 791                                   speed_template_8);
 792                 test_cipher_speed("ecb(des)", DECRYPT, sec, NULL, 0,
 793                                   speed_template_8);
 794                 test_cipher_speed("cbc(des)", ENCRYPT, sec, NULL, 0,
 795                                   speed_template_8);
 796                 test_cipher_speed("cbc(des)", DECRYPT, sec, NULL, 0,
 797                                   speed_template_8);
 798                 break;
 799
 800         case 205:
 801                 test_cipher_speed("ecb(camellia)", ENCRYPT, sec, NULL, 0,
 802                                 speed_template_16_24_32);
 803                 test_cipher_speed("ecb(camellia)", DECRYPT, sec, NULL, 0,
 804                                 speed_template_16_24_32);
 805                 test_cipher_speed("cbc(camellia)", ENCRYPT, sec, NULL, 0,
 806                                 speed_template_16_24_32);
 807                 test_cipher_speed("cbc(camellia)", DECRYPT, sec, NULL, 0,
 808                                 speed_template_16_24_32);
 809                 break;
 810
 811         case 206:
 812                 test_cipher_speed("salsa20", ENCRYPT, sec, NULL, 0,
 813                                   speed_template_16_32);
 814                 break;
 815
 816         case 300:
 817                 /* fall through */
 818
 819         case 301:
 820                 test_hash_speed("md4", sec, generic_hash_speed_template);
 821                 if (mode > 300 && mode < 400) break;
 822
 823         case 302:
 824                 test_hash_speed("md5", sec, generic_hash_speed_template);
 825                 if (mode > 300 && mode < 400) break;
 826
 827         case 303:
 828                 test_hash_speed("sha1", sec, generic_hash_speed_template);
 829                 if (mode > 300 && mode < 400) break;
 830
 831         case 304:
 832                 test_hash_speed("sha256", sec, generic_hash_speed_template);
 833                 if (mode > 300 && mode < 400) break;
 834
 835         case 305:
 836                 test_hash_speed("sha384", sec, generic_hash_speed_template);
 837                 if (mode > 300 && mode < 400) break;
 838
 839         case 306:
 840                 test_hash_speed("sha512", sec, generic_hash_speed_template);
 841                 if (mode > 300 && mode < 400) break;
 842
 843         case 307:
 844                 test_hash_speed("wp256", sec, generic_hash_speed_template);
 845                 if (mode > 300 && mode < 400) break;
 846
 847         case 308:
 848                 test_hash_speed("wp384", sec, generic_hash_speed_template);
 849                 if (mode > 300 && mode < 400) break;
 850
 851         case 309:
 852                 test_hash_speed("wp512", sec, generic_hash_speed_template);
 853                 if (mode > 300 && mode < 400) break;
 854
 855         case 310:
 856                 test_hash_speed("tgr128", sec, generic_hash_speed_template);
 857                 if (mode > 300 && mode < 400) break;
 858
 859         case 311:
 860                 test_hash_speed("tgr160", sec, generic_hash_speed_template);
 861                 if (mode > 300 && mode < 400) break;
 862
 863         case 312:
 864                 test_hash_speed("tgr192", sec, generic_hash_speed_template);
 865                 if (mode > 300 && mode < 400) break;
 866
 867         case 313:
 868                 test_hash_speed("sha224", sec, generic_hash_speed_template);
 869                 if (mode > 300 && mode < 400) break;
 870
 871         case 314:
 872                 test_hash_speed("rmd128", sec, generic_hash_speed_template);
 873                 if (mode > 300 && mode < 400) break;
 874
 875         case 315:
 876                 test_hash_speed("rmd160", sec, generic_hash_speed_template);
 877                 if (mode > 300 && mode < 400) break;
 878
 879         case 316:
 880                 test_hash_speed("rmd256", sec, generic_hash_speed_template);
 881                 if (mode > 300 && mode < 400) break;
 882
 883         case 317:
 884                 test_hash_speed("rmd320", sec, generic_hash_speed_template);
 885                 if (mode > 300 && mode < 400) break;
 886
 887         case 318:
 888                 test_hash_speed("ghash-generic", sec, hash_speed_template_16);
 889                 if (mode > 300 && mode < 400) break;
 890
 891         case 399:
 892                 break;
 893
 894         case 1000:
 895                 test_available();
 896                 break;
 897         }
 898
 899         return ret;
 900 }
 901
 902 static int do_alg_test(const char *alg, u32 type, u32 mask)
 903 {
 904         return crypto_has_alg(alg, type, mask ?: CRYPTO_ALG_TYPE_MASK) ?
 905                0 : -ENOENT;
 906 }
 907
 908 static int __init tcrypt_mod_init(void)
 909 {
 910         int err = -ENOMEM;
 911         int i;
 912
 913         for (i = 0; i < TVMEMSIZE; i++) {
 914                 tvmem[i] = (void *)__get_free_page(GFP_KERNEL);
 915                 if (!tvmem[i])
 916                         goto err_free_tv;
 917         }
 918
 919         if (alg)
 920                 err = do_alg_test(alg, type, mask);
 921         else
 922                 err = do_test(mode);
 923
 924         if (err) {
 925                 printk(KERN_ERR "tcrypt: one or more tests failed!\n");
 926                 goto err_free_tv;
 927         }
 928
 929         /* We intentionaly return -EAGAIN to prevent keeping the module,
 930          * unless we're running in fips mode. It does all its work from
 931          * init() and doesn't offer any runtime functionality, but in
 932          * the fips case, checking for a successful load is helpful.
 933          * => we don't need it in the memory, do we?
 934          *                                        -- mludvig
 935          */
 936         if (!fips_enabled)
 937                 err = -EAGAIN;
 938
 939 err_free_tv:
 940         for (i = 0; i < TVMEMSIZE && tvmem[i]; i++)
 941                 free_page((unsigned long)tvmem[i]);
 942
 943         return err;
 944 }
 945
 946 /*
 947  * If an init function is provided, an exit function must also be provided
 948  * to allow module unload.
 949  */
 950 static void __exit tcrypt_mod_fini(void) { }
 951
 952 module_init(tcrypt_mod_init);
 953 module_exit(tcrypt_mod_fini);
 954
 955 module_param(alg, charp, 0);
 956 module_param(type, uint, 0);
 957 module_param(mask, uint, 0);
 958 module_param(mode, int, 0);
 959 module_param(sec, uint, 0);
 960 MODULE_PARM_DESC(sec, "Length in seconds of speed tests "
 961                       "(defaults to zero which uses CPU cycles instead)");
 962
 963 MODULE_LICENSE("GPL");
 964 MODULE_DESCRIPTION("Quick & dirty crypto testing module");
 965 MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");