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sys/mips/cavium/cryptocteon/cavium_crypto.c
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1 /* 2 * vim:sw=4 ts=8 3 */ 4 /* 5 * Copyright (c) 2009 David McCullough <david.mccullough@securecomputing.com> 6 * 7 * Copyright (c) 2003-2007 Cavium Networks (support@cavium.com). All rights 8 * reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions are met: 12 * 1. Redistributions of source code must retain the above copyright notice, 13 * this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright notice, 15 * this list of conditions and the following disclaimer in the documentation 16 * and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by Cavium Networks 20 * 4. Cavium Networks' name may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * This Software, including technical data, may be subject to U.S. export 24 * control laws, including the U.S. Export Administration Act and its 25 * associated regulations, and may be subject to export or import regulations 26 * in other countries. You warrant that You will comply strictly in all 27 * respects with all such regulations and acknowledge that you have the 28 * responsibility to obtain licenses to export, re-export or import the 29 * Software. 30 * 31 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" AND 32 * WITH ALL FAULTS AND CAVIUM MAKES NO PROMISES, REPRESENTATIONS OR WARRANTIES, 33 * EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO THE 34 * SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR 35 * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM 36 * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, 37 * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF 38 * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR 39 * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR 40 * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. 41 */ 42 /****************************************************************************/ 43 44 #include <sys/cdefs.h> 45 __FBSDID("$FreeBSD$"); 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/kernel.h> 50 #include <sys/module.h> 51 #include <sys/malloc.h> 52 #include <sys/uio.h> 53 54 #include <opencrypto/cryptodev.h> 55 56 #include <contrib/octeon-sdk/cvmx.h> 57 58 #include <mips/cavium/cryptocteon/cryptocteonvar.h> 59 60 /****************************************************************************/ 61 62 #define IOV_INIT(iov, ptr, idx, len) \ 63 do { \ 64 (idx) = 0; \ 65 (ptr) = (iov)[(idx)].iov_base; \ 66 (len) = (iov)[(idx)].iov_len; \ 67 } while (0) 68 69 /* 70 * XXX 71 * It would be better if this were an IOV_READ/IOV_WRITE macro instead so 72 * that we could detect overflow before it happens rather than right after, 73 * which is especially bad since there is usually no IOV_CONSUME after the 74 * final read or write. 75 */ 76 #define IOV_CONSUME(iov, ptr, idx, len) \ 77 do { \ 78 if ((len) > sizeof *(ptr)) { \ 79 (len) -= sizeof *(ptr); \ 80 (ptr)++; \ 81 } else { \ 82 if ((len) != sizeof *(ptr)) \ 83 panic("%s: went past end of iovec.", __func__); \ 84 (idx)++; \ 85 (ptr) = (iov)[(idx)].iov_base; \ 86 (len) = (iov)[(idx)].iov_len; \ 87 } \ 88 } while (0) 89 90 static inline unsigned long octeon_crypto_enable(void) 91 { 92 register_t s; 93 94 s = intr_disable(); 95 mips_wr_status(mips_rd_status() | MIPS_SR_COP_2_BIT); 96 97 return (s); 98 } 99 100 static inline void octeon_crypto_disable(register_t s) 101 { 102 mips_wr_status(mips_rd_status() & ~MIPS_SR_COP_2_BIT); 103 intr_restore(s); 104 } 105 106 #define ESP_HEADER_LENGTH 8 107 #define DES_CBC_IV_LENGTH 8 108 #define AES_CBC_IV_LENGTH 16 109 #define ESP_HMAC_LEN 12 110 111 #define ESP_HEADER_LENGTH 8 112 #define DES_CBC_IV_LENGTH 8 113 114 /****************************************************************************/ 115 116 #define CVM_LOAD_SHA_UNIT(dat, next) { \ 117 if (next == 0) { \ 118 next = 1; \ 119 CVMX_MT_HSH_DAT (dat, 0); \ 120 } else if (next == 1) { \ 121 next = 2; \ 122 CVMX_MT_HSH_DAT (dat, 1); \ 123 } else if (next == 2) { \ 124 next = 3; \ 125 CVMX_MT_HSH_DAT (dat, 2); \ 126 } else if (next == 3) { \ 127 next = 4; \ 128 CVMX_MT_HSH_DAT (dat, 3); \ 129 } else if (next == 4) { \ 130 next = 5; \ 131 CVMX_MT_HSH_DAT (dat, 4); \ 132 } else if (next == 5) { \ 133 next = 6; \ 134 CVMX_MT_HSH_DAT (dat, 5); \ 135 } else if (next == 6) { \ 136 next = 7; \ 137 CVMX_MT_HSH_DAT (dat, 6); \ 138 } else { \ 139 CVMX_MT_HSH_STARTSHA (dat); \ 140 next = 0; \ 141 } \ 142 } 143 144 #define CVM_LOAD2_SHA_UNIT(dat1, dat2, next) { \ 145 if (next == 0) { \ 146 CVMX_MT_HSH_DAT (dat1, 0); \ 147 CVMX_MT_HSH_DAT (dat2, 1); \ 148 next = 2; \ 149 } else if (next == 1) { \ 150 CVMX_MT_HSH_DAT (dat1, 1); \ 151 CVMX_MT_HSH_DAT (dat2, 2); \ 152 next = 3; \ 153 } else if (next == 2) { \ 154 CVMX_MT_HSH_DAT (dat1, 2); \ 155 CVMX_MT_HSH_DAT (dat2, 3); \ 156 next = 4; \ 157 } else if (next == 3) { \ 158 CVMX_MT_HSH_DAT (dat1, 3); \ 159 CVMX_MT_HSH_DAT (dat2, 4); \ 160 next = 5; \ 161 } else if (next == 4) { \ 162 CVMX_MT_HSH_DAT (dat1, 4); \ 163 CVMX_MT_HSH_DAT (dat2, 5); \ 164 next = 6; \ 165 } else if (next == 5) { \ 166 CVMX_MT_HSH_DAT (dat1, 5); \ 167 CVMX_MT_HSH_DAT (dat2, 6); \ 168 next = 7; \ 169 } else if (next == 6) { \ 170 CVMX_MT_HSH_DAT (dat1, 6); \ 171 CVMX_MT_HSH_STARTSHA (dat2); \ 172 next = 0; \ 173 } else { \ 174 CVMX_MT_HSH_STARTSHA (dat1); \ 175 CVMX_MT_HSH_DAT (dat2, 0); \ 176 next = 1; \ 177 } \ 178 } 179 180 /****************************************************************************/ 181 182 #define CVM_LOAD_MD5_UNIT(dat, next) { \ 183 if (next == 0) { \ 184 next = 1; \ 185 CVMX_MT_HSH_DAT (dat, 0); \ 186 } else if (next == 1) { \ 187 next = 2; \ 188 CVMX_MT_HSH_DAT (dat, 1); \ 189 } else if (next == 2) { \ 190 next = 3; \ 191 CVMX_MT_HSH_DAT (dat, 2); \ 192 } else if (next == 3) { \ 193 next = 4; \ 194 CVMX_MT_HSH_DAT (dat, 3); \ 195 } else if (next == 4) { \ 196 next = 5; \ 197 CVMX_MT_HSH_DAT (dat, 4); \ 198 } else if (next == 5) { \ 199 next = 6; \ 200 CVMX_MT_HSH_DAT (dat, 5); \ 201 } else if (next == 6) { \ 202 next = 7; \ 203 CVMX_MT_HSH_DAT (dat, 6); \ 204 } else { \ 205 CVMX_MT_HSH_STARTMD5 (dat); \ 206 next = 0; \ 207 } \ 208 } 209 210 #define CVM_LOAD2_MD5_UNIT(dat1, dat2, next) { \ 211 if (next == 0) { \ 212 CVMX_MT_HSH_DAT (dat1, 0); \ 213 CVMX_MT_HSH_DAT (dat2, 1); \ 214 next = 2; \ 215 } else if (next == 1) { \ 216 CVMX_MT_HSH_DAT (dat1, 1); \ 217 CVMX_MT_HSH_DAT (dat2, 2); \ 218 next = 3; \ 219 } else if (next == 2) { \ 220 CVMX_MT_HSH_DAT (dat1, 2); \ 221 CVMX_MT_HSH_DAT (dat2, 3); \ 222 next = 4; \ 223 } else if (next == 3) { \ 224 CVMX_MT_HSH_DAT (dat1, 3); \ 225 CVMX_MT_HSH_DAT (dat2, 4); \ 226 next = 5; \ 227 } else if (next == 4) { \ 228 CVMX_MT_HSH_DAT (dat1, 4); \ 229 CVMX_MT_HSH_DAT (dat2, 5); \ 230 next = 6; \ 231 } else if (next == 5) { \ 232 CVMX_MT_HSH_DAT (dat1, 5); \ 233 CVMX_MT_HSH_DAT (dat2, 6); \ 234 next = 7; \ 235 } else if (next == 6) { \ 236 CVMX_MT_HSH_DAT (dat1, 6); \ 237 CVMX_MT_HSH_STARTMD5 (dat2); \ 238 next = 0; \ 239 } else { \ 240 CVMX_MT_HSH_STARTMD5 (dat1); \ 241 CVMX_MT_HSH_DAT (dat2, 0); \ 242 next = 1; \ 243 } \ 244 } 245 246 /****************************************************************************/ 247 248 void 249 octo_calc_hash(uint8_t auth, unsigned char *key, uint64_t *inner, uint64_t *outer) 250 { 251 uint8_t hash_key[64]; 252 uint64_t *key1; 253 register uint64_t xor1 = 0x3636363636363636ULL; 254 register uint64_t xor2 = 0x5c5c5c5c5c5c5c5cULL; 255 register_t s; 256 257 dprintf("%s()\n", __func__); 258 259 memset(hash_key, 0, sizeof(hash_key)); 260 memcpy(hash_key, (uint8_t *) key, (auth ? 20 : 16)); 261 key1 = (uint64_t *) hash_key; 262 s = octeon_crypto_enable(); 263 if (auth) { 264 CVMX_MT_HSH_IV(0x67452301EFCDAB89ULL, 0); 265 CVMX_MT_HSH_IV(0x98BADCFE10325476ULL, 1); 266 CVMX_MT_HSH_IV(0xC3D2E1F000000000ULL, 2); 267 } else { 268 CVMX_MT_HSH_IV(0x0123456789ABCDEFULL, 0); 269 CVMX_MT_HSH_IV(0xFEDCBA9876543210ULL, 1); 270 } 271 272 CVMX_MT_HSH_DAT((*key1 ^ xor1), 0); 273 key1++; 274 CVMX_MT_HSH_DAT((*key1 ^ xor1), 1); 275 key1++; 276 CVMX_MT_HSH_DAT((*key1 ^ xor1), 2); 277 key1++; 278 CVMX_MT_HSH_DAT((*key1 ^ xor1), 3); 279 key1++; 280 CVMX_MT_HSH_DAT((*key1 ^ xor1), 4); 281 key1++; 282 CVMX_MT_HSH_DAT((*key1 ^ xor1), 5); 283 key1++; 284 CVMX_MT_HSH_DAT((*key1 ^ xor1), 6); 285 key1++; 286 if (auth) 287 CVMX_MT_HSH_STARTSHA((*key1 ^ xor1)); 288 else 289 CVMX_MT_HSH_STARTMD5((*key1 ^ xor1)); 290 291 CVMX_MF_HSH_IV(inner[0], 0); 292 CVMX_MF_HSH_IV(inner[1], 1); 293 if (auth) { 294 inner[2] = 0; 295 CVMX_MF_HSH_IV(((uint64_t *) inner)[2], 2); 296 } 297 298 memset(hash_key, 0, sizeof(hash_key)); 299 memcpy(hash_key, (uint8_t *) key, (auth ? 20 : 16)); 300 key1 = (uint64_t *) hash_key; 301 if (auth) { 302 CVMX_MT_HSH_IV(0x67452301EFCDAB89ULL, 0); 303 CVMX_MT_HSH_IV(0x98BADCFE10325476ULL, 1); 304 CVMX_MT_HSH_IV(0xC3D2E1F000000000ULL, 2); 305 } else { 306 CVMX_MT_HSH_IV(0x0123456789ABCDEFULL, 0); 307 CVMX_MT_HSH_IV(0xFEDCBA9876543210ULL, 1); 308 } 309 310 CVMX_MT_HSH_DAT((*key1 ^ xor2), 0); 311 key1++; 312 CVMX_MT_HSH_DAT((*key1 ^ xor2), 1); 313 key1++; 314 CVMX_MT_HSH_DAT((*key1 ^ xor2), 2); 315 key1++; 316 CVMX_MT_HSH_DAT((*key1 ^ xor2), 3); 317 key1++; 318 CVMX_MT_HSH_DAT((*key1 ^ xor2), 4); 319 key1++; 320 CVMX_MT_HSH_DAT((*key1 ^ xor2), 5); 321 key1++; 322 CVMX_MT_HSH_DAT((*key1 ^ xor2), 6); 323 key1++; 324 if (auth) 325 CVMX_MT_HSH_STARTSHA((*key1 ^ xor2)); 326 else 327 CVMX_MT_HSH_STARTMD5((*key1 ^ xor2)); 328 329 CVMX_MF_HSH_IV(outer[0], 0); 330 CVMX_MF_HSH_IV(outer[1], 1); 331 if (auth) { 332 outer[2] = 0; 333 CVMX_MF_HSH_IV(outer[2], 2); 334 } 335 octeon_crypto_disable(s); 336 return; 337 } 338 339 /****************************************************************************/ 340 /* DES functions */ 341 342 int 343 octo_des_cbc_encrypt( 344 struct octo_sess *od, 345 struct iovec *iov, size_t iovcnt, size_t iovlen, 346 int auth_off, int auth_len, 347 int crypt_off, int crypt_len, 348 int icv_off, uint8_t *ivp) 349 { 350 uint64_t *data; 351 int data_i, data_l; 352 register_t s; 353 354 dprintf("%s()\n", __func__); 355 356 if (__predict_false(od == NULL || iov==NULL || iovlen==0 || ivp==NULL || 357 (crypt_off & 0x7) || (crypt_off + crypt_len > iovlen))) { 358 dprintf("%s: Bad parameters od=%p iov=%p iovlen=%d " 359 "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d " 360 "icv_off=%d ivp=%p\n", __func__, od, iov, iovlen, 361 auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp); 362 return -EINVAL; 363 } 364 365 IOV_INIT(iov, data, data_i, data_l); 366 367 CVMX_PREFETCH0(ivp); 368 CVMX_PREFETCH0(od->octo_enckey); 369 370 s = octeon_crypto_enable(); 371 372 /* load 3DES Key */ 373 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0); 374 if (od->octo_encklen == 24) { 375 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1); 376 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 377 } else if (od->octo_encklen == 8) { 378 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1); 379 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2); 380 } else { 381 octeon_crypto_disable(s); 382 dprintf("%s: Bad key length %d\n", __func__, od->octo_encklen); 383 return -EINVAL; 384 } 385 386 CVMX_MT_3DES_IV(* (uint64_t *) ivp); 387 388 while (crypt_off > 0) { 389 IOV_CONSUME(iov, data, data_i, data_l); 390 crypt_off -= 8; 391 } 392 393 while (crypt_len > 0) { 394 CVMX_MT_3DES_ENC_CBC(*data); 395 CVMX_MF_3DES_RESULT(*data); 396 IOV_CONSUME(iov, data, data_i, data_l); 397 crypt_len -= 8; 398 } 399 400 octeon_crypto_disable(s); 401 return 0; 402 } 403 404 405 int 406 octo_des_cbc_decrypt( 407 struct octo_sess *od, 408 struct iovec *iov, size_t iovcnt, size_t iovlen, 409 int auth_off, int auth_len, 410 int crypt_off, int crypt_len, 411 int icv_off, uint8_t *ivp) 412 { 413 uint64_t *data; 414 int data_i, data_l; 415 register_t s; 416 417 dprintf("%s()\n", __func__); 418 419 if (__predict_false(od == NULL || iov==NULL || iovlen==0 || ivp==NULL || 420 (crypt_off & 0x7) || (crypt_off + crypt_len > iovlen))) { 421 dprintf("%s: Bad parameters od=%p iov=%p iovlen=%d " 422 "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d " 423 "icv_off=%d ivp=%p\n", __func__, od, iov, iovlen, 424 auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp); 425 return -EINVAL; 426 } 427 428 IOV_INIT(iov, data, data_i, data_l); 429 430 CVMX_PREFETCH0(ivp); 431 CVMX_PREFETCH0(od->octo_enckey); 432 433 s = octeon_crypto_enable(); 434 435 /* load 3DES Key */ 436 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0); 437 if (od->octo_encklen == 24) { 438 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1); 439 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 440 } else if (od->octo_encklen == 8) { 441 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1); 442 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2); 443 } else { 444 octeon_crypto_disable(s); 445 dprintf("%s: Bad key length %d\n", __func__, od->octo_encklen); 446 return -EINVAL; 447 } 448 449 CVMX_MT_3DES_IV(* (uint64_t *) ivp); 450 451 while (crypt_off > 0) { 452 IOV_CONSUME(iov, data, data_i, data_l); 453 crypt_off -= 8; 454 } 455 456 while (crypt_len > 0) { 457 CVMX_MT_3DES_DEC_CBC(*data); 458 CVMX_MF_3DES_RESULT(*data); 459 IOV_CONSUME(iov, data, data_i, data_l); 460 crypt_len -= 8; 461 } 462 463 octeon_crypto_disable(s); 464 return 0; 465 } 466 467 /****************************************************************************/ 468 /* AES functions */ 469 470 int 471 octo_aes_cbc_encrypt( 472 struct octo_sess *od, 473 struct iovec *iov, size_t iovcnt, size_t iovlen, 474 int auth_off, int auth_len, 475 int crypt_off, int crypt_len, 476 int icv_off, uint8_t *ivp) 477 { 478 uint64_t *data, *pdata; 479 int data_i, data_l; 480 register_t s; 481 482 dprintf("%s()\n", __func__); 483 484 if (__predict_false(od == NULL || iov==NULL || iovlen==0 || ivp==NULL || 485 (crypt_off & 0x7) || (crypt_off + crypt_len > iovlen))) { 486 dprintf("%s: Bad parameters od=%p iov=%p iovlen=%d " 487 "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d " 488 "icv_off=%d ivp=%p\n", __func__, od, iov, iovlen, 489 auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp); 490 return -EINVAL; 491 } 492 493 IOV_INIT(iov, data, data_i, data_l); 494 495 CVMX_PREFETCH0(ivp); 496 CVMX_PREFETCH0(od->octo_enckey); 497 498 s = octeon_crypto_enable(); 499 500 /* load AES Key */ 501 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0); 502 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1); 503 504 if (od->octo_encklen == 16) { 505 CVMX_MT_AES_KEY(0x0, 2); 506 CVMX_MT_AES_KEY(0x0, 3); 507 } else if (od->octo_encklen == 24) { 508 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 509 CVMX_MT_AES_KEY(0x0, 3); 510 } else if (od->octo_encklen == 32) { 511 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 512 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3); 513 } else { 514 octeon_crypto_disable(s); 515 dprintf("%s: Bad key length %d\n", __func__, od->octo_encklen); 516 return -EINVAL; 517 } 518 CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1); 519 520 CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0); 521 CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1); 522 523 while (crypt_off > 0) { 524 IOV_CONSUME(iov, data, data_i, data_l); 525 crypt_off -= 8; 526 } 527 528 while (crypt_len > 0) { 529 pdata = data; 530 CVMX_MT_AES_ENC_CBC0(*data); 531 IOV_CONSUME(iov, data, data_i, data_l); 532 CVMX_MT_AES_ENC_CBC1(*data); 533 CVMX_MF_AES_RESULT(*pdata, 0); 534 CVMX_MF_AES_RESULT(*data, 1); 535 IOV_CONSUME(iov, data, data_i, data_l); 536 crypt_len -= 16; 537 } 538 539 octeon_crypto_disable(s); 540 return 0; 541 } 542 543 544 int 545 octo_aes_cbc_decrypt( 546 struct octo_sess *od, 547 struct iovec *iov, size_t iovcnt, size_t iovlen, 548 int auth_off, int auth_len, 549 int crypt_off, int crypt_len, 550 int icv_off, uint8_t *ivp) 551 { 552 uint64_t *data, *pdata; 553 int data_i, data_l; 554 register_t s; 555 556 dprintf("%s()\n", __func__); 557 558 if (__predict_false(od == NULL || iov==NULL || iovlen==0 || ivp==NULL || 559 (crypt_off & 0x7) || (crypt_off + crypt_len > iovlen))) { 560 dprintf("%s: Bad parameters od=%p iov=%p iovlen=%d " 561 "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d " 562 "icv_off=%d ivp=%p\n", __func__, od, iov, iovlen, 563 auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp); 564 return -EINVAL; 565 } 566 567 IOV_INIT(iov, data, data_i, data_l); 568 569 CVMX_PREFETCH0(ivp); 570 CVMX_PREFETCH0(od->octo_enckey); 571 572 s = octeon_crypto_enable(); 573 574 /* load AES Key */ 575 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0); 576 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1); 577 578 if (od->octo_encklen == 16) { 579 CVMX_MT_AES_KEY(0x0, 2); 580 CVMX_MT_AES_KEY(0x0, 3); 581 } else if (od->octo_encklen == 24) { 582 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 583 CVMX_MT_AES_KEY(0x0, 3); 584 } else if (od->octo_encklen == 32) { 585 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 586 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3); 587 } else { 588 octeon_crypto_disable(s); 589 dprintf("%s: Bad key length %d\n", __func__, od->octo_encklen); 590 return -EINVAL; 591 } 592 CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1); 593 594 CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0); 595 CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1); 596 597 while (crypt_off > 0) { 598 IOV_CONSUME(iov, data, data_i, data_l); 599 crypt_off -= 8; 600 } 601 602 while (crypt_len > 0) { 603 pdata = data; 604 CVMX_MT_AES_DEC_CBC0(*data); 605 IOV_CONSUME(iov, data, data_i, data_l); 606 CVMX_MT_AES_DEC_CBC1(*data); 607 CVMX_MF_AES_RESULT(*pdata, 0); 608 CVMX_MF_AES_RESULT(*data, 1); 609 IOV_CONSUME(iov, data, data_i, data_l); 610 crypt_len -= 16; 611 } 612 613 octeon_crypto_disable(s); 614 return 0; 615 } 616 617 /****************************************************************************/ 618 /* MD5 */ 619 620 int 621 octo_null_md5_encrypt( 622 struct octo_sess *od, 623 struct iovec *iov, size_t iovcnt, size_t iovlen, 624 int auth_off, int auth_len, 625 int crypt_off, int crypt_len, 626 int icv_off, uint8_t *ivp) 627 { 628 register int next = 0; 629 uint64_t *data; 630 uint64_t tmp1, tmp2; 631 int data_i, data_l, alen = auth_len; 632 register_t s; 633 634 dprintf("%s()\n", __func__); 635 636 if (__predict_false(od == NULL || iov==NULL || iovlen==0 || 637 (auth_off & 0x7) || (auth_off + auth_len > iovlen))) { 638 dprintf("%s: Bad parameters od=%p iov=%p iovlen=%d " 639 "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d " 640 "icv_off=%d ivp=%p\n", __func__, od, iov, iovlen, 641 auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp); 642 return -EINVAL; 643 } 644 645 IOV_INIT(iov, data, data_i, data_l); 646 647 s = octeon_crypto_enable(); 648 649 /* Load MD5 IV */ 650 CVMX_MT_HSH_IV(od->octo_hminner[0], 0); 651 CVMX_MT_HSH_IV(od->octo_hminner[1], 1); 652 653 while (auth_off > 0) { 654 IOV_CONSUME(iov, data, data_i, data_l); 655 auth_off -= 8; 656 } 657 658 while (auth_len > 0) { 659 CVM_LOAD_MD5_UNIT(*data, next); 660 auth_len -= 8; 661 IOV_CONSUME(iov, data, data_i, data_l); 662 } 663 664 /* finish the hash */ 665 CVMX_PREFETCH0(od->octo_hmouter); 666 #if 0 667 if (__predict_false(inplen)) { 668 uint64_t tmp = 0; 669 uint8_t *p = (uint8_t *) & tmp; 670 p[inplen] = 0x80; 671 do { 672 inplen--; 673 p[inplen] = ((uint8_t *) data)[inplen]; 674 } while (inplen); 675 CVM_LOAD_MD5_UNIT(tmp, next); 676 } else { 677 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 678 } 679 #else 680 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 681 #endif 682 683 /* Finish Inner hash */ 684 while (next != 7) { 685 CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next); 686 } 687 CVMX_ES64(tmp1, ((alen + 64) << 3)); 688 CVM_LOAD_MD5_UNIT(tmp1, next); 689 690 /* Get the inner hash of HMAC */ 691 CVMX_MF_HSH_IV(tmp1, 0); 692 CVMX_MF_HSH_IV(tmp2, 1); 693 694 /* Initialize hash unit */ 695 CVMX_MT_HSH_IV(od->octo_hmouter[0], 0); 696 CVMX_MT_HSH_IV(od->octo_hmouter[1], 1); 697 698 CVMX_MT_HSH_DAT(tmp1, 0); 699 CVMX_MT_HSH_DAT(tmp2, 1); 700 CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2); 701 CVMX_MT_HSH_DATZ(3); 702 CVMX_MT_HSH_DATZ(4); 703 CVMX_MT_HSH_DATZ(5); 704 CVMX_MT_HSH_DATZ(6); 705 CVMX_ES64(tmp1, ((64 + 16) << 3)); 706 CVMX_MT_HSH_STARTMD5(tmp1); 707 708 /* save the HMAC */ 709 IOV_INIT(iov, data, data_i, data_l); 710 while (icv_off > 0) { 711 IOV_CONSUME(iov, data, data_i, data_l); 712 icv_off -= 8; 713 } 714 CVMX_MF_HSH_IV(*data, 0); 715 IOV_CONSUME(iov, data, data_i, data_l); 716 CVMX_MF_HSH_IV(tmp1, 1); 717 *(uint32_t *)data = (uint32_t) (tmp1 >> 32); 718 719 octeon_crypto_disable(s); 720 return 0; 721 } 722 723 /****************************************************************************/ 724 /* SHA1 */ 725 726 int 727 octo_null_sha1_encrypt( 728 struct octo_sess *od, 729 struct iovec *iov, size_t iovcnt, size_t iovlen, 730 int auth_off, int auth_len, 731 int crypt_off, int crypt_len, 732 int icv_off, uint8_t *ivp) 733 { 734 register int next = 0; 735 uint64_t *data; 736 uint64_t tmp1, tmp2, tmp3; 737 int data_i, data_l, alen = auth_len; 738 register_t s; 739 740 dprintf("%s()\n", __func__); 741 742 if (__predict_false(od == NULL || iov==NULL || iovlen==0 || 743 (auth_off & 0x7) || (auth_off + auth_len > iovlen))) { 744 dprintf("%s: Bad parameters od=%p iov=%p iovlen=%d " 745 "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d " 746 "icv_off=%d ivp=%p\n", __func__, od, iov, iovlen, 747 auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp); 748 return -EINVAL; 749 } 750 751 IOV_INIT(iov, data, data_i, data_l); 752 753 s = octeon_crypto_enable(); 754 755 /* Load SHA1 IV */ 756 CVMX_MT_HSH_IV(od->octo_hminner[0], 0); 757 CVMX_MT_HSH_IV(od->octo_hminner[1], 1); 758 CVMX_MT_HSH_IV(od->octo_hminner[2], 2); 759 760 while (auth_off > 0) { 761 IOV_CONSUME(iov, data, data_i, data_l); 762 auth_off -= 8; 763 } 764 765 while (auth_len > 0) { 766 CVM_LOAD_SHA_UNIT(*data, next); 767 auth_len -= 8; 768 IOV_CONSUME(iov, data, data_i, data_l); 769 } 770 771 /* finish the hash */ 772 CVMX_PREFETCH0(od->octo_hmouter); 773 #if 0 774 if (__predict_false(inplen)) { 775 uint64_t tmp = 0; 776 uint8_t *p = (uint8_t *) & tmp; 777 p[inplen] = 0x80; 778 do { 779 inplen--; 780 p[inplen] = ((uint8_t *) data)[inplen]; 781 } while (inplen); 782 CVM_LOAD_MD5_UNIT(tmp, next); 783 } else { 784 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 785 } 786 #else 787 CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next); 788 #endif 789 790 /* Finish Inner hash */ 791 while (next != 7) { 792 CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next); 793 } 794 CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next); 795 796 /* Get the inner hash of HMAC */ 797 CVMX_MF_HSH_IV(tmp1, 0); 798 CVMX_MF_HSH_IV(tmp2, 1); 799 tmp3 = 0; 800 CVMX_MF_HSH_IV(tmp3, 2); 801 802 /* Initialize hash unit */ 803 CVMX_MT_HSH_IV(od->octo_hmouter[0], 0); 804 CVMX_MT_HSH_IV(od->octo_hmouter[1], 1); 805 CVMX_MT_HSH_IV(od->octo_hmouter[2], 2); 806 807 CVMX_MT_HSH_DAT(tmp1, 0); 808 CVMX_MT_HSH_DAT(tmp2, 1); 809 tmp3 |= 0x0000000080000000; 810 CVMX_MT_HSH_DAT(tmp3, 2); 811 CVMX_MT_HSH_DATZ(3); 812 CVMX_MT_HSH_DATZ(4); 813 CVMX_MT_HSH_DATZ(5); 814 CVMX_MT_HSH_DATZ(6); 815 CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3)); 816 817 /* save the HMAC */ 818 IOV_INIT(iov, data, data_i, data_l); 819 while (icv_off > 0) { 820 IOV_CONSUME(iov, data, data_i, data_l); 821 icv_off -= 8; 822 } 823 CVMX_MF_HSH_IV(*data, 0); 824 IOV_CONSUME(iov, data, data_i, data_l); 825 CVMX_MF_HSH_IV(tmp1, 1); 826 *(uint32_t *)data = (uint32_t) (tmp1 >> 32); 827 828 octeon_crypto_disable(s); 829 return 0; 830 } 831 832 /****************************************************************************/ 833 /* DES MD5 */ 834 835 int 836 octo_des_cbc_md5_encrypt( 837 struct octo_sess *od, 838 struct iovec *iov, size_t iovcnt, size_t iovlen, 839 int auth_off, int auth_len, 840 int crypt_off, int crypt_len, 841 int icv_off, uint8_t *ivp) 842 { 843 register int next = 0; 844 union { 845 uint32_t data32[2]; 846 uint64_t data64[1]; 847 } mydata; 848 uint64_t *data = &mydata.data64[0]; 849 uint32_t *data32; 850 uint64_t tmp1, tmp2; 851 int data_i, data_l, alen = auth_len; 852 register_t s; 853 854 dprintf("%s()\n", __func__); 855 856 if (__predict_false(od == NULL || iov==NULL || iovlen==0 || ivp==NULL || 857 (crypt_off & 0x3) || (crypt_off + crypt_len > iovlen) || 858 (crypt_len & 0x7) || 859 (auth_len & 0x7) || 860 (auth_off & 0x3) || (auth_off + auth_len > iovlen))) { 861 dprintf("%s: Bad parameters od=%p iov=%p iovlen=%d " 862 "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d " 863 "icv_off=%d ivp=%p\n", __func__, od, iov, iovlen, 864 auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp); 865 return -EINVAL; 866 } 867 868 IOV_INIT(iov, data32, data_i, data_l); 869 870 CVMX_PREFETCH0(ivp); 871 CVMX_PREFETCH0(od->octo_enckey); 872 873 s = octeon_crypto_enable(); 874 875 /* load 3DES Key */ 876 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0); 877 if (od->octo_encklen == 24) { 878 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1); 879 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 880 } else if (od->octo_encklen == 8) { 881 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1); 882 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2); 883 } else { 884 octeon_crypto_disable(s); 885 dprintf("%s: Bad key length %d\n", __func__, od->octo_encklen); 886 return -EINVAL; 887 } 888 889 CVMX_MT_3DES_IV(* (uint64_t *) ivp); 890 891 /* Load MD5 IV */ 892 CVMX_MT_HSH_IV(od->octo_hminner[0], 0); 893 CVMX_MT_HSH_IV(od->octo_hminner[1], 1); 894 895 while (crypt_off > 0 && auth_off > 0) { 896 IOV_CONSUME(iov, data32, data_i, data_l); 897 crypt_off -= 4; 898 auth_off -= 4; 899 } 900 901 while (crypt_len > 0 || auth_len > 0) { 902 uint32_t *first = data32; 903 mydata.data32[0] = *first; 904 IOV_CONSUME(iov, data32, data_i, data_l); 905 mydata.data32[1] = *data32; 906 if (crypt_off <= 0) { 907 if (crypt_len > 0) { 908 CVMX_MT_3DES_ENC_CBC(*data); 909 CVMX_MF_3DES_RESULT(*data); 910 crypt_len -= 8; 911 } 912 } else 913 crypt_off -= 8; 914 if (auth_off <= 0) { 915 if (auth_len > 0) { 916 CVM_LOAD_MD5_UNIT(*data, next); 917 auth_len -= 8; 918 } 919 } else 920 auth_off -= 8; 921 *first = mydata.data32[0]; 922 *data32 = mydata.data32[1]; 923 IOV_CONSUME(iov, data32, data_i, data_l); 924 } 925 926 /* finish the hash */ 927 CVMX_PREFETCH0(od->octo_hmouter); 928 #if 0 929 if (__predict_false(inplen)) { 930 uint64_t tmp = 0; 931 uint8_t *p = (uint8_t *) & tmp; 932 p[inplen] = 0x80; 933 do { 934 inplen--; 935 p[inplen] = ((uint8_t *) data)[inplen]; 936 } while (inplen); 937 CVM_LOAD_MD5_UNIT(tmp, next); 938 } else { 939 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 940 } 941 #else 942 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 943 #endif 944 945 /* Finish Inner hash */ 946 while (next != 7) { 947 CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next); 948 } 949 CVMX_ES64(tmp1, ((alen + 64) << 3)); 950 CVM_LOAD_MD5_UNIT(tmp1, next); 951 952 /* Get the inner hash of HMAC */ 953 CVMX_MF_HSH_IV(tmp1, 0); 954 CVMX_MF_HSH_IV(tmp2, 1); 955 956 /* Initialize hash unit */ 957 CVMX_MT_HSH_IV(od->octo_hmouter[0], 0); 958 CVMX_MT_HSH_IV(od->octo_hmouter[1], 1); 959 960 CVMX_MT_HSH_DAT(tmp1, 0); 961 CVMX_MT_HSH_DAT(tmp2, 1); 962 CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2); 963 CVMX_MT_HSH_DATZ(3); 964 CVMX_MT_HSH_DATZ(4); 965 CVMX_MT_HSH_DATZ(5); 966 CVMX_MT_HSH_DATZ(6); 967 CVMX_ES64(tmp1, ((64 + 16) << 3)); 968 CVMX_MT_HSH_STARTMD5(tmp1); 969 970 /* save the HMAC */ 971 IOV_INIT(iov, data32, data_i, data_l); 972 while (icv_off > 0) { 973 IOV_CONSUME(iov, data32, data_i, data_l); 974 icv_off -= 4; 975 } 976 CVMX_MF_HSH_IV(tmp1, 0); 977 *data32 = (uint32_t) (tmp1 >> 32); 978 IOV_CONSUME(iov, data32, data_i, data_l); 979 *data32 = (uint32_t) tmp1; 980 IOV_CONSUME(iov, data32, data_i, data_l); 981 CVMX_MF_HSH_IV(tmp1, 1); 982 *data32 = (uint32_t) (tmp1 >> 32); 983 984 octeon_crypto_disable(s); 985 return 0; 986 } 987 988 int 989 octo_des_cbc_md5_decrypt( 990 struct octo_sess *od, 991 struct iovec *iov, size_t iovcnt, size_t iovlen, 992 int auth_off, int auth_len, 993 int crypt_off, int crypt_len, 994 int icv_off, uint8_t *ivp) 995 { 996 register int next = 0; 997 union { 998 uint32_t data32[2]; 999 uint64_t data64[1]; 1000 } mydata; 1001 uint64_t *data = &mydata.data64[0]; 1002 uint32_t *data32; 1003 uint64_t tmp1, tmp2; 1004 int data_i, data_l, alen = auth_len; 1005 register_t s; 1006 1007 dprintf("%s()\n", __func__); 1008 1009 if (__predict_false(od == NULL || iov==NULL || iovlen==0 || ivp==NULL || 1010 (crypt_off & 0x3) || (crypt_off + crypt_len > iovlen) || 1011 (crypt_len & 0x7) || 1012 (auth_len & 0x7) || 1013 (auth_off & 0x3) || (auth_off + auth_len > iovlen))) { 1014 dprintf("%s: Bad parameters od=%p iov=%p iovlen=%d " 1015 "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d " 1016 "icv_off=%d ivp=%p\n", __func__, od, iov, iovlen, 1017 auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp); 1018 return -EINVAL; 1019 } 1020 1021 IOV_INIT(iov, data32, data_i, data_l); 1022 1023 CVMX_PREFETCH0(ivp); 1024 CVMX_PREFETCH0(od->octo_enckey); 1025 1026 s = octeon_crypto_enable(); 1027 1028 /* load 3DES Key */ 1029 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0); 1030 if (od->octo_encklen == 24) { 1031 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1); 1032 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 1033 } else if (od->octo_encklen == 8) { 1034 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1); 1035 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2); 1036 } else { 1037 octeon_crypto_disable(s); 1038 dprintf("%s: Bad key length %d\n", __func__, od->octo_encklen); 1039 return -EINVAL; 1040 } 1041 1042 CVMX_MT_3DES_IV(* (uint64_t *) ivp); 1043 1044 /* Load MD5 IV */ 1045 CVMX_MT_HSH_IV(od->octo_hminner[0], 0); 1046 CVMX_MT_HSH_IV(od->octo_hminner[1], 1); 1047 1048 while (crypt_off > 0 && auth_off > 0) { 1049 IOV_CONSUME(iov, data32, data_i, data_l); 1050 crypt_off -= 4; 1051 auth_off -= 4; 1052 } 1053 1054 while (crypt_len > 0 || auth_len > 0) { 1055 uint32_t *first = data32; 1056 mydata.data32[0] = *first; 1057 IOV_CONSUME(iov, data32, data_i, data_l); 1058 mydata.data32[1] = *data32; 1059 if (auth_off <= 0) { 1060 if (auth_len > 0) { 1061 CVM_LOAD_MD5_UNIT(*data, next); 1062 auth_len -= 8; 1063 } 1064 } else 1065 auth_off -= 8; 1066 if (crypt_off <= 0) { 1067 if (crypt_len > 0) { 1068 CVMX_MT_3DES_DEC_CBC(*data); 1069 CVMX_MF_3DES_RESULT(*data); 1070 crypt_len -= 8; 1071 } 1072 } else 1073 crypt_off -= 8; 1074 *first = mydata.data32[0]; 1075 *data32 = mydata.data32[1]; 1076 IOV_CONSUME(iov, data32, data_i, data_l); 1077 } 1078 1079 /* finish the hash */ 1080 CVMX_PREFETCH0(od->octo_hmouter); 1081 #if 0 1082 if (__predict_false(inplen)) { 1083 uint64_t tmp = 0; 1084 uint8_t *p = (uint8_t *) & tmp; 1085 p[inplen] = 0x80; 1086 do { 1087 inplen--; 1088 p[inplen] = ((uint8_t *) data)[inplen]; 1089 } while (inplen); 1090 CVM_LOAD_MD5_UNIT(tmp, next); 1091 } else { 1092 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 1093 } 1094 #else 1095 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 1096 #endif 1097 1098 /* Finish Inner hash */ 1099 while (next != 7) { 1100 CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next); 1101 } 1102 CVMX_ES64(tmp1, ((alen + 64) << 3)); 1103 CVM_LOAD_MD5_UNIT(tmp1, next); 1104 1105 /* Get the inner hash of HMAC */ 1106 CVMX_MF_HSH_IV(tmp1, 0); 1107 CVMX_MF_HSH_IV(tmp2, 1); 1108 1109 /* Initialize hash unit */ 1110 CVMX_MT_HSH_IV(od->octo_hmouter[0], 0); 1111 CVMX_MT_HSH_IV(od->octo_hmouter[1], 1); 1112 1113 CVMX_MT_HSH_DAT(tmp1, 0); 1114 CVMX_MT_HSH_DAT(tmp2, 1); 1115 CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2); 1116 CVMX_MT_HSH_DATZ(3); 1117 CVMX_MT_HSH_DATZ(4); 1118 CVMX_MT_HSH_DATZ(5); 1119 CVMX_MT_HSH_DATZ(6); 1120 CVMX_ES64(tmp1, ((64 + 16) << 3)); 1121 CVMX_MT_HSH_STARTMD5(tmp1); 1122 1123 /* save the HMAC */ 1124 IOV_INIT(iov, data32, data_i, data_l); 1125 while (icv_off > 0) { 1126 IOV_CONSUME(iov, data32, data_i, data_l); 1127 icv_off -= 4; 1128 } 1129 CVMX_MF_HSH_IV(tmp1, 0); 1130 *data32 = (uint32_t) (tmp1 >> 32); 1131 IOV_CONSUME(iov, data32, data_i, data_l); 1132 *data32 = (uint32_t) tmp1; 1133 IOV_CONSUME(iov, data32, data_i, data_l); 1134 CVMX_MF_HSH_IV(tmp1, 1); 1135 *data32 = (uint32_t) (tmp1 >> 32); 1136 1137 octeon_crypto_disable(s); 1138 return 0; 1139 } 1140 1141 /****************************************************************************/ 1142 /* DES SHA */ 1143 1144 int 1145 octo_des_cbc_sha1_encrypt( 1146 struct octo_sess *od, 1147 struct iovec *iov, size_t iovcnt, size_t iovlen, 1148 int auth_off, int auth_len, 1149 int crypt_off, int crypt_len, 1150 int icv_off, uint8_t *ivp) 1151 { 1152 register int next = 0; 1153 union { 1154 uint32_t data32[2]; 1155 uint64_t data64[1]; 1156 } mydata; 1157 uint64_t *data = &mydata.data64[0]; 1158 uint32_t *data32; 1159 uint64_t tmp1, tmp2, tmp3; 1160 int data_i, data_l, alen = auth_len; 1161 register_t s; 1162 1163 dprintf("%s()\n", __func__); 1164 1165 if (__predict_false(od == NULL || iov==NULL || iovlen==0 || ivp==NULL || 1166 (crypt_off & 0x3) || (crypt_off + crypt_len > iovlen) || 1167 (crypt_len & 0x7) || 1168 (auth_len & 0x7) || 1169 (auth_off & 0x3) || (auth_off + auth_len > iovlen))) { 1170 dprintf("%s: Bad parameters od=%p iov=%p iovlen=%d " 1171 "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d " 1172 "icv_off=%d ivp=%p\n", __func__, od, iov, iovlen, 1173 auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp); 1174 return -EINVAL; 1175 } 1176 1177 IOV_INIT(iov, data32, data_i, data_l); 1178 1179 CVMX_PREFETCH0(ivp); 1180 CVMX_PREFETCH0(od->octo_enckey); 1181 1182 s = octeon_crypto_enable(); 1183 1184 /* load 3DES Key */ 1185 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0); 1186 if (od->octo_encklen == 24) { 1187 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1); 1188 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 1189 } else if (od->octo_encklen == 8) { 1190 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1); 1191 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2); 1192 } else { 1193 octeon_crypto_disable(s); 1194 dprintf("%s: Bad key length %d\n", __func__, od->octo_encklen); 1195 return -EINVAL; 1196 } 1197 1198 CVMX_MT_3DES_IV(* (uint64_t *) ivp); 1199 1200 /* Load SHA1 IV */ 1201 CVMX_MT_HSH_IV(od->octo_hminner[0], 0); 1202 CVMX_MT_HSH_IV(od->octo_hminner[1], 1); 1203 CVMX_MT_HSH_IV(od->octo_hminner[2], 2); 1204 1205 while (crypt_off > 0 && auth_off > 0) { 1206 IOV_CONSUME(iov, data32, data_i, data_l); 1207 crypt_off -= 4; 1208 auth_off -= 4; 1209 } 1210 1211 while (crypt_len > 0 || auth_len > 0) { 1212 uint32_t *first = data32; 1213 mydata.data32[0] = *first; 1214 IOV_CONSUME(iov, data32, data_i, data_l); 1215 mydata.data32[1] = *data32; 1216 if (crypt_off <= 0) { 1217 if (crypt_len > 0) { 1218 CVMX_MT_3DES_ENC_CBC(*data); 1219 CVMX_MF_3DES_RESULT(*data); 1220 crypt_len -= 8; 1221 } 1222 } else 1223 crypt_off -= 8; 1224 if (auth_off <= 0) { 1225 if (auth_len > 0) { 1226 CVM_LOAD_SHA_UNIT(*data, next); 1227 auth_len -= 8; 1228 } 1229 } else 1230 auth_off -= 8; 1231 *first = mydata.data32[0]; 1232 *data32 = mydata.data32[1]; 1233 IOV_CONSUME(iov, data32, data_i, data_l); 1234 } 1235 1236 /* finish the hash */ 1237 CVMX_PREFETCH0(od->octo_hmouter); 1238 #if 0 1239 if (__predict_false(inplen)) { 1240 uint64_t tmp = 0; 1241 uint8_t *p = (uint8_t *) & tmp; 1242 p[inplen] = 0x80; 1243 do { 1244 inplen--; 1245 p[inplen] = ((uint8_t *) data)[inplen]; 1246 } while (inplen); 1247 CVM_LOAD_SHA_UNIT(tmp, next); 1248 } else { 1249 CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next); 1250 } 1251 #else 1252 CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next); 1253 #endif 1254 1255 /* Finish Inner hash */ 1256 while (next != 7) { 1257 CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next); 1258 } 1259 CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next); 1260 1261 /* Get the inner hash of HMAC */ 1262 CVMX_MF_HSH_IV(tmp1, 0); 1263 CVMX_MF_HSH_IV(tmp2, 1); 1264 tmp3 = 0; 1265 CVMX_MF_HSH_IV(tmp3, 2); 1266 1267 /* Initialize hash unit */ 1268 CVMX_MT_HSH_IV(od->octo_hmouter[0], 0); 1269 CVMX_MT_HSH_IV(od->octo_hmouter[1], 1); 1270 CVMX_MT_HSH_IV(od->octo_hmouter[2], 2); 1271 1272 CVMX_MT_HSH_DAT(tmp1, 0); 1273 CVMX_MT_HSH_DAT(tmp2, 1); 1274 tmp3 |= 0x0000000080000000; 1275 CVMX_MT_HSH_DAT(tmp3, 2); 1276 CVMX_MT_HSH_DATZ(3); 1277 CVMX_MT_HSH_DATZ(4); 1278 CVMX_MT_HSH_DATZ(5); 1279 CVMX_MT_HSH_DATZ(6); 1280 CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3)); 1281 1282 /* save the HMAC */ 1283 IOV_INIT(iov, data32, data_i, data_l); 1284 while (icv_off > 0) { 1285 IOV_CONSUME(iov, data32, data_i, data_l); 1286 icv_off -= 4; 1287 } 1288 CVMX_MF_HSH_IV(tmp1, 0); 1289 *data32 = (uint32_t) (tmp1 >> 32); 1290 IOV_CONSUME(iov, data32, data_i, data_l); 1291 *data32 = (uint32_t) tmp1; 1292 IOV_CONSUME(iov, data32, data_i, data_l); 1293 CVMX_MF_HSH_IV(tmp1, 1); 1294 *data32 = (uint32_t) (tmp1 >> 32); 1295 1296 octeon_crypto_disable(s); 1297 return 0; 1298 } 1299 1300 int 1301 octo_des_cbc_sha1_decrypt( 1302 struct octo_sess *od, 1303 struct iovec *iov, size_t iovcnt, size_t iovlen, 1304 int auth_off, int auth_len, 1305 int crypt_off, int crypt_len, 1306 int icv_off, uint8_t *ivp) 1307 { 1308 register int next = 0; 1309 union { 1310 uint32_t data32[2]; 1311 uint64_t data64[1]; 1312 } mydata; 1313 uint64_t *data = &mydata.data64[0]; 1314 uint32_t *data32; 1315 uint64_t tmp1, tmp2, tmp3; 1316 int data_i, data_l, alen = auth_len; 1317 register_t s; 1318 1319 dprintf("%s()\n", __func__); 1320 1321 if (__predict_false(od == NULL || iov==NULL || iovlen==0 || ivp==NULL || 1322 (crypt_off & 0x3) || (crypt_off + crypt_len > iovlen) || 1323 (crypt_len & 0x7) || 1324 (auth_len & 0x7) || 1325 (auth_off & 0x3) || (auth_off + auth_len > iovlen))) { 1326 dprintf("%s: Bad parameters od=%p iov=%p iovlen=%d " 1327 "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d " 1328 "icv_off=%d ivp=%p\n", __func__, od, iov, iovlen, 1329 auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp); 1330 return -EINVAL; 1331 } 1332 1333 IOV_INIT(iov, data32, data_i, data_l); 1334 1335 CVMX_PREFETCH0(ivp); 1336 CVMX_PREFETCH0(od->octo_enckey); 1337 1338 s = octeon_crypto_enable(); 1339 1340 /* load 3DES Key */ 1341 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0); 1342 if (od->octo_encklen == 24) { 1343 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1); 1344 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 1345 } else if (od->octo_encklen == 8) { 1346 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1); 1347 CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2); 1348 } else { 1349 octeon_crypto_disable(s); 1350 dprintf("%s: Bad key length %d\n", __func__, od->octo_encklen); 1351 return -EINVAL; 1352 } 1353 1354 CVMX_MT_3DES_IV(* (uint64_t *) ivp); 1355 1356 /* Load SHA1 IV */ 1357 CVMX_MT_HSH_IV(od->octo_hminner[0], 0); 1358 CVMX_MT_HSH_IV(od->octo_hminner[1], 1); 1359 CVMX_MT_HSH_IV(od->octo_hminner[2], 2); 1360 1361 while (crypt_off > 0 && auth_off > 0) { 1362 IOV_CONSUME(iov, data32, data_i, data_l); 1363 crypt_off -= 4; 1364 auth_off -= 4; 1365 } 1366 1367 while (crypt_len > 0 || auth_len > 0) { 1368 uint32_t *first = data32; 1369 mydata.data32[0] = *first; 1370 IOV_CONSUME(iov, data32, data_i, data_l); 1371 mydata.data32[1] = *data32; 1372 if (auth_off <= 0) { 1373 if (auth_len > 0) { 1374 CVM_LOAD_SHA_UNIT(*data, next); 1375 auth_len -= 8; 1376 } 1377 } else 1378 auth_off -= 8; 1379 if (crypt_off <= 0) { 1380 if (crypt_len > 0) { 1381 CVMX_MT_3DES_DEC_CBC(*data); 1382 CVMX_MF_3DES_RESULT(*data); 1383 crypt_len -= 8; 1384 } 1385 } else 1386 crypt_off -= 8; 1387 *first = mydata.data32[0]; 1388 *data32 = mydata.data32[1]; 1389 IOV_CONSUME(iov, data32, data_i, data_l); 1390 } 1391 1392 /* finish the hash */ 1393 CVMX_PREFETCH0(od->octo_hmouter); 1394 #if 0 1395 if (__predict_false(inplen)) { 1396 uint64_t tmp = 0; 1397 uint8_t *p = (uint8_t *) & tmp; 1398 p[inplen] = 0x80; 1399 do { 1400 inplen--; 1401 p[inplen] = ((uint8_t *) data)[inplen]; 1402 } while (inplen); 1403 CVM_LOAD_SHA_UNIT(tmp, next); 1404 } else { 1405 CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next); 1406 } 1407 #else 1408 CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next); 1409 #endif 1410 1411 /* Finish Inner hash */ 1412 while (next != 7) { 1413 CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next); 1414 } 1415 CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next); 1416 1417 /* Get the inner hash of HMAC */ 1418 CVMX_MF_HSH_IV(tmp1, 0); 1419 CVMX_MF_HSH_IV(tmp2, 1); 1420 tmp3 = 0; 1421 CVMX_MF_HSH_IV(tmp3, 2); 1422 1423 /* Initialize hash unit */ 1424 CVMX_MT_HSH_IV(od->octo_hmouter[0], 0); 1425 CVMX_MT_HSH_IV(od->octo_hmouter[1], 1); 1426 CVMX_MT_HSH_IV(od->octo_hmouter[2], 2); 1427 1428 CVMX_MT_HSH_DAT(tmp1, 0); 1429 CVMX_MT_HSH_DAT(tmp2, 1); 1430 tmp3 |= 0x0000000080000000; 1431 CVMX_MT_HSH_DAT(tmp3, 2); 1432 CVMX_MT_HSH_DATZ(3); 1433 CVMX_MT_HSH_DATZ(4); 1434 CVMX_MT_HSH_DATZ(5); 1435 CVMX_MT_HSH_DATZ(6); 1436 CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3)); 1437 /* save the HMAC */ 1438 IOV_INIT(iov, data32, data_i, data_l); 1439 while (icv_off > 0) { 1440 IOV_CONSUME(iov, data32, data_i, data_l); 1441 icv_off -= 4; 1442 } 1443 CVMX_MF_HSH_IV(tmp1, 0); 1444 *data32 = (uint32_t) (tmp1 >> 32); 1445 IOV_CONSUME(iov, data32, data_i, data_l); 1446 *data32 = (uint32_t) tmp1; 1447 IOV_CONSUME(iov, data32, data_i, data_l); 1448 CVMX_MF_HSH_IV(tmp1, 1); 1449 *data32 = (uint32_t) (tmp1 >> 32); 1450 1451 octeon_crypto_disable(s); 1452 return 0; 1453 } 1454 1455 /****************************************************************************/ 1456 /* AES MD5 */ 1457 1458 int 1459 octo_aes_cbc_md5_encrypt( 1460 struct octo_sess *od, 1461 struct iovec *iov, size_t iovcnt, size_t iovlen, 1462 int auth_off, int auth_len, 1463 int crypt_off, int crypt_len, 1464 int icv_off, uint8_t *ivp) 1465 { 1466 register int next = 0; 1467 union { 1468 uint32_t data32[2]; 1469 uint64_t data64[1]; 1470 } mydata[2]; 1471 uint64_t *pdata = &mydata[0].data64[0]; 1472 uint64_t *data = &mydata[1].data64[0]; 1473 uint32_t *data32; 1474 uint64_t tmp1, tmp2; 1475 int data_i, data_l, alen = auth_len; 1476 register_t s; 1477 1478 dprintf("%s()\n", __func__); 1479 1480 if (__predict_false(od == NULL || iov==NULL || iovlen==0 || ivp==NULL || 1481 (crypt_off & 0x3) || (crypt_off + crypt_len > iovlen) || 1482 (crypt_len & 0x7) || 1483 (auth_len & 0x7) || 1484 (auth_off & 0x3) || (auth_off + auth_len > iovlen))) { 1485 dprintf("%s: Bad parameters od=%p iov=%p iovlen=%d " 1486 "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d " 1487 "icv_off=%d ivp=%p\n", __func__, od, iov, iovlen, 1488 auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp); 1489 return -EINVAL; 1490 } 1491 1492 IOV_INIT(iov, data32, data_i, data_l); 1493 1494 CVMX_PREFETCH0(ivp); 1495 CVMX_PREFETCH0(od->octo_enckey); 1496 1497 s = octeon_crypto_enable(); 1498 1499 /* load AES Key */ 1500 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0); 1501 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1); 1502 1503 if (od->octo_encklen == 16) { 1504 CVMX_MT_AES_KEY(0x0, 2); 1505 CVMX_MT_AES_KEY(0x0, 3); 1506 } else if (od->octo_encklen == 24) { 1507 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 1508 CVMX_MT_AES_KEY(0x0, 3); 1509 } else if (od->octo_encklen == 32) { 1510 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 1511 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3); 1512 } else { 1513 octeon_crypto_disable(s); 1514 dprintf("%s: Bad key length %d\n", __func__, od->octo_encklen); 1515 return -EINVAL; 1516 } 1517 CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1); 1518 1519 CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0); 1520 CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1); 1521 1522 /* Load MD5 IV */ 1523 CVMX_MT_HSH_IV(od->octo_hminner[0], 0); 1524 CVMX_MT_HSH_IV(od->octo_hminner[1], 1); 1525 1526 while (crypt_off > 0 && auth_off > 0) { 1527 IOV_CONSUME(iov, data32, data_i, data_l); 1528 crypt_off -= 4; 1529 auth_off -= 4; 1530 } 1531 1532 while (crypt_len > 0 || auth_len > 0) { 1533 uint32_t *pdata32[3]; 1534 1535 pdata32[0] = data32; 1536 mydata[0].data32[0] = *data32; 1537 IOV_CONSUME(iov, data32, data_i, data_l); 1538 1539 pdata32[1] = data32; 1540 mydata[0].data32[1] = *data32; 1541 IOV_CONSUME(iov, data32, data_i, data_l); 1542 1543 pdata32[2] = data32; 1544 mydata[1].data32[0] = *data32; 1545 IOV_CONSUME(iov, data32, data_i, data_l); 1546 1547 mydata[1].data32[1] = *data32; 1548 1549 1550 if (crypt_off <= 0) { 1551 if (crypt_len > 0) { 1552 CVMX_MT_AES_ENC_CBC0(*pdata); 1553 CVMX_MT_AES_ENC_CBC1(*data); 1554 CVMX_MF_AES_RESULT(*pdata, 0); 1555 CVMX_MF_AES_RESULT(*data, 1); 1556 crypt_len -= 16; 1557 } 1558 } else 1559 crypt_off -= 16; 1560 1561 if (auth_off <= 0) { 1562 if (auth_len > 0) { 1563 CVM_LOAD_MD5_UNIT(*pdata, next); 1564 CVM_LOAD_MD5_UNIT(*data, next); 1565 auth_len -= 16; 1566 } 1567 } else 1568 auth_off -= 16; 1569 1570 *pdata32[0] = mydata[0].data32[0]; 1571 *pdata32[1] = mydata[0].data32[1]; 1572 *pdata32[2] = mydata[1].data32[0]; 1573 *data32 = mydata[1].data32[1]; 1574 1575 IOV_CONSUME(iov, data32, data_i, data_l); 1576 } 1577 1578 /* finish the hash */ 1579 CVMX_PREFETCH0(od->octo_hmouter); 1580 #if 0 1581 if (__predict_false(inplen)) { 1582 uint64_t tmp = 0; 1583 uint8_t *p = (uint8_t *) & tmp; 1584 p[inplen] = 0x80; 1585 do { 1586 inplen--; 1587 p[inplen] = ((uint8_t *) data)[inplen]; 1588 } while (inplen); 1589 CVM_LOAD_MD5_UNIT(tmp, next); 1590 } else { 1591 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 1592 } 1593 #else 1594 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 1595 #endif 1596 1597 /* Finish Inner hash */ 1598 while (next != 7) { 1599 CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next); 1600 } 1601 CVMX_ES64(tmp1, ((alen + 64) << 3)); 1602 CVM_LOAD_MD5_UNIT(tmp1, next); 1603 1604 /* Get the inner hash of HMAC */ 1605 CVMX_MF_HSH_IV(tmp1, 0); 1606 CVMX_MF_HSH_IV(tmp2, 1); 1607 1608 /* Initialize hash unit */ 1609 CVMX_MT_HSH_IV(od->octo_hmouter[0], 0); 1610 CVMX_MT_HSH_IV(od->octo_hmouter[1], 1); 1611 1612 CVMX_MT_HSH_DAT(tmp1, 0); 1613 CVMX_MT_HSH_DAT(tmp2, 1); 1614 CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2); 1615 CVMX_MT_HSH_DATZ(3); 1616 CVMX_MT_HSH_DATZ(4); 1617 CVMX_MT_HSH_DATZ(5); 1618 CVMX_MT_HSH_DATZ(6); 1619 CVMX_ES64(tmp1, ((64 + 16) << 3)); 1620 CVMX_MT_HSH_STARTMD5(tmp1); 1621 1622 /* save the HMAC */ 1623 IOV_INIT(iov, data32, data_i, data_l); 1624 while (icv_off > 0) { 1625 IOV_CONSUME(iov, data32, data_i, data_l); 1626 icv_off -= 4; 1627 } 1628 CVMX_MF_HSH_IV(tmp1, 0); 1629 *data32 = (uint32_t) (tmp1 >> 32); 1630 IOV_CONSUME(iov, data32, data_i, data_l); 1631 *data32 = (uint32_t) tmp1; 1632 IOV_CONSUME(iov, data32, data_i, data_l); 1633 CVMX_MF_HSH_IV(tmp1, 1); 1634 *data32 = (uint32_t) (tmp1 >> 32); 1635 1636 octeon_crypto_disable(s); 1637 return 0; 1638 } 1639 1640 int 1641 octo_aes_cbc_md5_decrypt( 1642 struct octo_sess *od, 1643 struct iovec *iov, size_t iovcnt, size_t iovlen, 1644 int auth_off, int auth_len, 1645 int crypt_off, int crypt_len, 1646 int icv_off, uint8_t *ivp) 1647 { 1648 register int next = 0; 1649 union { 1650 uint32_t data32[2]; 1651 uint64_t data64[1]; 1652 } mydata[2]; 1653 uint64_t *pdata = &mydata[0].data64[0]; 1654 uint64_t *data = &mydata[1].data64[0]; 1655 uint32_t *data32; 1656 uint64_t tmp1, tmp2; 1657 int data_i, data_l, alen = auth_len; 1658 register_t s; 1659 1660 dprintf("%s()\n", __func__); 1661 1662 if (__predict_false(od == NULL || iov==NULL || iovlen==0 || ivp==NULL || 1663 (crypt_off & 0x3) || (crypt_off + crypt_len > iovlen) || 1664 (crypt_len & 0x7) || 1665 (auth_len & 0x7) || 1666 (auth_off & 0x3) || (auth_off + auth_len > iovlen))) { 1667 dprintf("%s: Bad parameters od=%p iov=%p iovlen=%d " 1668 "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d " 1669 "icv_off=%d ivp=%p\n", __func__, od, iov, iovlen, 1670 auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp); 1671 return -EINVAL; 1672 } 1673 1674 IOV_INIT(iov, data32, data_i, data_l); 1675 1676 CVMX_PREFETCH0(ivp); 1677 CVMX_PREFETCH0(od->octo_enckey); 1678 1679 s = octeon_crypto_enable(); 1680 1681 /* load AES Key */ 1682 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0); 1683 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1); 1684 1685 if (od->octo_encklen == 16) { 1686 CVMX_MT_AES_KEY(0x0, 2); 1687 CVMX_MT_AES_KEY(0x0, 3); 1688 } else if (od->octo_encklen == 24) { 1689 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 1690 CVMX_MT_AES_KEY(0x0, 3); 1691 } else if (od->octo_encklen == 32) { 1692 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 1693 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3); 1694 } else { 1695 octeon_crypto_disable(s); 1696 dprintf("%s: Bad key length %d\n", __func__, od->octo_encklen); 1697 return -EINVAL; 1698 } 1699 CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1); 1700 1701 CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0); 1702 CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1); 1703 1704 /* Load MD5 IV */ 1705 CVMX_MT_HSH_IV(od->octo_hminner[0], 0); 1706 CVMX_MT_HSH_IV(od->octo_hminner[1], 1); 1707 1708 while (crypt_off > 0 && auth_off > 0) { 1709 IOV_CONSUME(iov, data32, data_i, data_l); 1710 crypt_off -= 4; 1711 auth_off -= 4; 1712 } 1713 1714 while (crypt_len > 0 || auth_len > 0) { 1715 uint32_t *pdata32[3]; 1716 1717 pdata32[0] = data32; 1718 mydata[0].data32[0] = *data32; 1719 IOV_CONSUME(iov, data32, data_i, data_l); 1720 pdata32[1] = data32; 1721 mydata[0].data32[1] = *data32; 1722 IOV_CONSUME(iov, data32, data_i, data_l); 1723 pdata32[2] = data32; 1724 mydata[1].data32[0] = *data32; 1725 IOV_CONSUME(iov, data32, data_i, data_l); 1726 mydata[1].data32[1] = *data32; 1727 1728 if (auth_off <= 0) { 1729 if (auth_len > 0) { 1730 CVM_LOAD_MD5_UNIT(*pdata, next); 1731 CVM_LOAD_MD5_UNIT(*data, next); 1732 auth_len -= 16; 1733 } 1734 } else 1735 auth_off -= 16; 1736 1737 if (crypt_off <= 0) { 1738 if (crypt_len > 0) { 1739 CVMX_MT_AES_DEC_CBC0(*pdata); 1740 CVMX_MT_AES_DEC_CBC1(*data); 1741 CVMX_MF_AES_RESULT(*pdata, 0); 1742 CVMX_MF_AES_RESULT(*data, 1); 1743 crypt_len -= 16; 1744 } 1745 } else 1746 crypt_off -= 16; 1747 1748 *pdata32[0] = mydata[0].data32[0]; 1749 *pdata32[1] = mydata[0].data32[1]; 1750 *pdata32[2] = mydata[1].data32[0]; 1751 *data32 = mydata[1].data32[1]; 1752 1753 IOV_CONSUME(iov, data32, data_i, data_l); 1754 } 1755 1756 /* finish the hash */ 1757 CVMX_PREFETCH0(od->octo_hmouter); 1758 #if 0 1759 if (__predict_false(inplen)) { 1760 uint64_t tmp = 0; 1761 uint8_t *p = (uint8_t *) & tmp; 1762 p[inplen] = 0x80; 1763 do { 1764 inplen--; 1765 p[inplen] = ((uint8_t *) data)[inplen]; 1766 } while (inplen); 1767 CVM_LOAD_MD5_UNIT(tmp, next); 1768 } else { 1769 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 1770 } 1771 #else 1772 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 1773 #endif 1774 1775 /* Finish Inner hash */ 1776 while (next != 7) { 1777 CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next); 1778 } 1779 CVMX_ES64(tmp1, ((alen + 64) << 3)); 1780 CVM_LOAD_MD5_UNIT(tmp1, next); 1781 1782 /* Get the inner hash of HMAC */ 1783 CVMX_MF_HSH_IV(tmp1, 0); 1784 CVMX_MF_HSH_IV(tmp2, 1); 1785 1786 /* Initialize hash unit */ 1787 CVMX_MT_HSH_IV(od->octo_hmouter[0], 0); 1788 CVMX_MT_HSH_IV(od->octo_hmouter[1], 1); 1789 1790 CVMX_MT_HSH_DAT(tmp1, 0); 1791 CVMX_MT_HSH_DAT(tmp2, 1); 1792 CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2); 1793 CVMX_MT_HSH_DATZ(3); 1794 CVMX_MT_HSH_DATZ(4); 1795 CVMX_MT_HSH_DATZ(5); 1796 CVMX_MT_HSH_DATZ(6); 1797 CVMX_ES64(tmp1, ((64 + 16) << 3)); 1798 CVMX_MT_HSH_STARTMD5(tmp1); 1799 1800 /* save the HMAC */ 1801 IOV_INIT(iov, data32, data_i, data_l); 1802 while (icv_off > 0) { 1803 IOV_CONSUME(iov, data32, data_i, data_l); 1804 icv_off -= 4; 1805 } 1806 CVMX_MF_HSH_IV(tmp1, 0); 1807 *data32 = (uint32_t) (tmp1 >> 32); 1808 IOV_CONSUME(iov, data32, data_i, data_l); 1809 *data32 = (uint32_t) tmp1; 1810 IOV_CONSUME(iov, data32, data_i, data_l); 1811 CVMX_MF_HSH_IV(tmp1, 1); 1812 *data32 = (uint32_t) (tmp1 >> 32); 1813 1814 octeon_crypto_disable(s); 1815 return 0; 1816 } 1817 1818 /****************************************************************************/ 1819 /* AES SHA1 */ 1820 1821 int 1822 octo_aes_cbc_sha1_encrypt( 1823 struct octo_sess *od, 1824 struct iovec *iov, size_t iovcnt, size_t iovlen, 1825 int auth_off, int auth_len, 1826 int crypt_off, int crypt_len, 1827 int icv_off, uint8_t *ivp) 1828 { 1829 register int next = 0; 1830 union { 1831 uint32_t data32[2]; 1832 uint64_t data64[1]; 1833 } mydata[2]; 1834 uint64_t *pdata = &mydata[0].data64[0]; 1835 uint64_t *data = &mydata[1].data64[0]; 1836 uint32_t *data32; 1837 uint64_t tmp1, tmp2, tmp3; 1838 int data_i, data_l, alen = auth_len; 1839 register_t s; 1840 1841 dprintf("%s()\n", __func__); 1842 1843 if (__predict_false(od == NULL || iov==NULL || iovlen==0 || ivp==NULL || 1844 (crypt_off & 0x3) || (crypt_off + crypt_len > iovlen) || 1845 (crypt_len & 0x7) || 1846 (auth_len & 0x7) || 1847 (auth_off & 0x3) || (auth_off + auth_len > iovlen))) { 1848 dprintf("%s: Bad parameters od=%p iov=%p iovlen=%d " 1849 "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d " 1850 "icv_off=%d ivp=%p\n", __func__, od, iov, iovlen, 1851 auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp); 1852 return -EINVAL; 1853 } 1854 1855 IOV_INIT(iov, data32, data_i, data_l); 1856 1857 CVMX_PREFETCH0(ivp); 1858 CVMX_PREFETCH0(od->octo_enckey); 1859 1860 s = octeon_crypto_enable(); 1861 1862 /* load AES Key */ 1863 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0); 1864 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1); 1865 1866 if (od->octo_encklen == 16) { 1867 CVMX_MT_AES_KEY(0x0, 2); 1868 CVMX_MT_AES_KEY(0x0, 3); 1869 } else if (od->octo_encklen == 24) { 1870 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 1871 CVMX_MT_AES_KEY(0x0, 3); 1872 } else if (od->octo_encklen == 32) { 1873 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 1874 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3); 1875 } else { 1876 octeon_crypto_disable(s); 1877 dprintf("%s: Bad key length %d\n", __func__, od->octo_encklen); 1878 return -EINVAL; 1879 } 1880 CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1); 1881 1882 CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0); 1883 CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1); 1884 1885 /* Load SHA IV */ 1886 CVMX_MT_HSH_IV(od->octo_hminner[0], 0); 1887 CVMX_MT_HSH_IV(od->octo_hminner[1], 1); 1888 CVMX_MT_HSH_IV(od->octo_hminner[2], 2); 1889 1890 while (crypt_off > 0 && auth_off > 0) { 1891 IOV_CONSUME(iov, data32, data_i, data_l); 1892 crypt_off -= 4; 1893 auth_off -= 4; 1894 } 1895 1896 while (crypt_len > 0 || auth_len > 0) { 1897 uint32_t *pdata32[3]; 1898 1899 pdata32[0] = data32; 1900 mydata[0].data32[0] = *data32; 1901 IOV_CONSUME(iov, data32, data_i, data_l); 1902 pdata32[1] = data32; 1903 mydata[0].data32[1] = *data32; 1904 IOV_CONSUME(iov, data32, data_i, data_l); 1905 pdata32[2] = data32; 1906 mydata[1].data32[0] = *data32; 1907 IOV_CONSUME(iov, data32, data_i, data_l); 1908 mydata[1].data32[1] = *data32; 1909 1910 1911 if (crypt_off <= 0) { 1912 if (crypt_len > 0) { 1913 CVMX_MT_AES_ENC_CBC0(*pdata); 1914 CVMX_MT_AES_ENC_CBC1(*data); 1915 CVMX_MF_AES_RESULT(*pdata, 0); 1916 CVMX_MF_AES_RESULT(*data, 1); 1917 crypt_len -= 16; 1918 } 1919 } else 1920 crypt_off -= 16; 1921 1922 if (auth_off <= 0) { 1923 if (auth_len > 0) { 1924 CVM_LOAD_SHA_UNIT(*pdata, next); 1925 CVM_LOAD_SHA_UNIT(*data, next); 1926 auth_len -= 16; 1927 } 1928 } else 1929 auth_off -= 16; 1930 1931 *pdata32[0] = mydata[0].data32[0]; 1932 *pdata32[1] = mydata[0].data32[1]; 1933 *pdata32[2] = mydata[1].data32[0]; 1934 *data32 = mydata[1].data32[1]; 1935 1936 IOV_CONSUME(iov, data32, data_i, data_l); 1937 } 1938 1939 /* finish the hash */ 1940 CVMX_PREFETCH0(od->octo_hmouter); 1941 #if 0 1942 if (__predict_false(inplen)) { 1943 uint64_t tmp = 0; 1944 uint8_t *p = (uint8_t *) & tmp; 1945 p[inplen] = 0x80; 1946 do { 1947 inplen--; 1948 p[inplen] = ((uint8_t *) data)[inplen]; 1949 } while (inplen); 1950 CVM_LOAD_SHA_UNIT(tmp, next); 1951 } else { 1952 CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next); 1953 } 1954 #else 1955 CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next); 1956 #endif 1957 1958 /* Finish Inner hash */ 1959 while (next != 7) { 1960 CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next); 1961 } 1962 CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next); 1963 1964 /* Get the inner hash of HMAC */ 1965 CVMX_MF_HSH_IV(tmp1, 0); 1966 CVMX_MF_HSH_IV(tmp2, 1); 1967 tmp3 = 0; 1968 CVMX_MF_HSH_IV(tmp3, 2); 1969 1970 /* Initialize hash unit */ 1971 CVMX_MT_HSH_IV(od->octo_hmouter[0], 0); 1972 CVMX_MT_HSH_IV(od->octo_hmouter[1], 1); 1973 CVMX_MT_HSH_IV(od->octo_hmouter[2], 2); 1974 1975 CVMX_MT_HSH_DAT(tmp1, 0); 1976 CVMX_MT_HSH_DAT(tmp2, 1); 1977 tmp3 |= 0x0000000080000000; 1978 CVMX_MT_HSH_DAT(tmp3, 2); 1979 CVMX_MT_HSH_DATZ(3); 1980 CVMX_MT_HSH_DATZ(4); 1981 CVMX_MT_HSH_DATZ(5); 1982 CVMX_MT_HSH_DATZ(6); 1983 CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3)); 1984 1985 /* finish the hash */ 1986 CVMX_PREFETCH0(od->octo_hmouter); 1987 #if 0 1988 if (__predict_false(inplen)) { 1989 uint64_t tmp = 0; 1990 uint8_t *p = (uint8_t *) & tmp; 1991 p[inplen] = 0x80; 1992 do { 1993 inplen--; 1994 p[inplen] = ((uint8_t *) data)[inplen]; 1995 } while (inplen); 1996 CVM_LOAD_MD5_UNIT(tmp, next); 1997 } else { 1998 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 1999 } 2000 #else 2001 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 2002 #endif 2003 2004 /* save the HMAC */ 2005 IOV_INIT(iov, data32, data_i, data_l); 2006 while (icv_off > 0) { 2007 IOV_CONSUME(iov, data32, data_i, data_l); 2008 icv_off -= 4; 2009 } 2010 CVMX_MF_HSH_IV(tmp1, 0); 2011 *data32 = (uint32_t) (tmp1 >> 32); 2012 IOV_CONSUME(iov, data32, data_i, data_l); 2013 *data32 = (uint32_t) tmp1; 2014 IOV_CONSUME(iov, data32, data_i, data_l); 2015 CVMX_MF_HSH_IV(tmp1, 1); 2016 *data32 = (uint32_t) (tmp1 >> 32); 2017 2018 octeon_crypto_disable(s); 2019 return 0; 2020 } 2021 2022 int 2023 octo_aes_cbc_sha1_decrypt( 2024 struct octo_sess *od, 2025 struct iovec *iov, size_t iovcnt, size_t iovlen, 2026 int auth_off, int auth_len, 2027 int crypt_off, int crypt_len, 2028 int icv_off, uint8_t *ivp) 2029 { 2030 register int next = 0; 2031 union { 2032 uint32_t data32[2]; 2033 uint64_t data64[1]; 2034 } mydata[2]; 2035 uint64_t *pdata = &mydata[0].data64[0]; 2036 uint64_t *data = &mydata[1].data64[0]; 2037 uint32_t *data32; 2038 uint64_t tmp1, tmp2, tmp3; 2039 int data_i, data_l, alen = auth_len; 2040 register_t s; 2041 2042 dprintf("%s()\n", __func__); 2043 2044 if (__predict_false(od == NULL || iov==NULL || iovlen==0 || ivp==NULL || 2045 (crypt_off & 0x3) || (crypt_off + crypt_len > iovlen) || 2046 (crypt_len & 0x7) || 2047 (auth_len & 0x7) || 2048 (auth_off & 0x3) || (auth_off + auth_len > iovlen))) { 2049 dprintf("%s: Bad parameters od=%p iov=%p iovlen=%d " 2050 "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d " 2051 "icv_off=%d ivp=%p\n", __func__, od, iov, iovlen, 2052 auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp); 2053 return -EINVAL; 2054 } 2055 2056 IOV_INIT(iov, data32, data_i, data_l); 2057 2058 CVMX_PREFETCH0(ivp); 2059 CVMX_PREFETCH0(od->octo_enckey); 2060 2061 s = octeon_crypto_enable(); 2062 2063 /* load AES Key */ 2064 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0); 2065 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1); 2066 2067 if (od->octo_encklen == 16) { 2068 CVMX_MT_AES_KEY(0x0, 2); 2069 CVMX_MT_AES_KEY(0x0, 3); 2070 } else if (od->octo_encklen == 24) { 2071 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 2072 CVMX_MT_AES_KEY(0x0, 3); 2073 } else if (od->octo_encklen == 32) { 2074 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2); 2075 CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3); 2076 } else { 2077 octeon_crypto_disable(s); 2078 dprintf("%s: Bad key length %d\n", __func__, od->octo_encklen); 2079 return -EINVAL; 2080 } 2081 CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1); 2082 2083 CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0); 2084 CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1); 2085 2086 /* Load MD5 IV */ 2087 CVMX_MT_HSH_IV(od->octo_hminner[0], 0); 2088 CVMX_MT_HSH_IV(od->octo_hminner[1], 1); 2089 CVMX_MT_HSH_IV(od->octo_hminner[2], 2); 2090 2091 while (crypt_off > 0 && auth_off > 0) { 2092 IOV_CONSUME(iov, data32, data_i, data_l); 2093 crypt_off -= 4; 2094 auth_off -= 4; 2095 } 2096 2097 while (crypt_len > 0 || auth_len > 0) { 2098 uint32_t *pdata32[3]; 2099 2100 pdata32[0] = data32; 2101 mydata[0].data32[0] = *data32; 2102 IOV_CONSUME(iov, data32, data_i, data_l); 2103 pdata32[1] = data32; 2104 mydata[0].data32[1] = *data32; 2105 IOV_CONSUME(iov, data32, data_i, data_l); 2106 pdata32[2] = data32; 2107 mydata[1].data32[0] = *data32; 2108 IOV_CONSUME(iov, data32, data_i, data_l); 2109 mydata[1].data32[1] = *data32; 2110 2111 if (auth_off <= 0) { 2112 if (auth_len > 0) { 2113 CVM_LOAD_SHA_UNIT(*pdata, next); 2114 CVM_LOAD_SHA_UNIT(*data, next); 2115 auth_len -= 16; 2116 } 2117 } else 2118 auth_off -= 16; 2119 2120 if (crypt_off <= 0) { 2121 if (crypt_len > 0) { 2122 CVMX_MT_AES_DEC_CBC0(*pdata); 2123 CVMX_MT_AES_DEC_CBC1(*data); 2124 CVMX_MF_AES_RESULT(*pdata, 0); 2125 CVMX_MF_AES_RESULT(*data, 1); 2126 crypt_len -= 16; 2127 } 2128 } else 2129 crypt_off -= 16; 2130 2131 *pdata32[0] = mydata[0].data32[0]; 2132 *pdata32[1] = mydata[0].data32[1]; 2133 *pdata32[2] = mydata[1].data32[0]; 2134 *data32 = mydata[1].data32[1]; 2135 2136 IOV_CONSUME(iov, data32, data_i, data_l); 2137 } 2138 2139 /* finish the hash */ 2140 CVMX_PREFETCH0(od->octo_hmouter); 2141 #if 0 2142 if (__predict_false(inplen)) { 2143 uint64_t tmp = 0; 2144 uint8_t *p = (uint8_t *) & tmp; 2145 p[inplen] = 0x80; 2146 do { 2147 inplen--; 2148 p[inplen] = ((uint8_t *) data)[inplen]; 2149 } while (inplen); 2150 CVM_LOAD_SHA_UNIT(tmp, next); 2151 } else { 2152 CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next); 2153 } 2154 #else 2155 CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next); 2156 #endif 2157 2158 /* Finish Inner hash */ 2159 while (next != 7) { 2160 CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next); 2161 } 2162 CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next); 2163 2164 /* Get the inner hash of HMAC */ 2165 CVMX_MF_HSH_IV(tmp1, 0); 2166 CVMX_MF_HSH_IV(tmp2, 1); 2167 tmp3 = 0; 2168 CVMX_MF_HSH_IV(tmp3, 2); 2169 2170 /* Initialize hash unit */ 2171 CVMX_MT_HSH_IV(od->octo_hmouter[0], 0); 2172 CVMX_MT_HSH_IV(od->octo_hmouter[1], 1); 2173 CVMX_MT_HSH_IV(od->octo_hmouter[2], 2); 2174 2175 CVMX_MT_HSH_DAT(tmp1, 0); 2176 CVMX_MT_HSH_DAT(tmp2, 1); 2177 tmp3 |= 0x0000000080000000; 2178 CVMX_MT_HSH_DAT(tmp3, 2); 2179 CVMX_MT_HSH_DATZ(3); 2180 CVMX_MT_HSH_DATZ(4); 2181 CVMX_MT_HSH_DATZ(5); 2182 CVMX_MT_HSH_DATZ(6); 2183 CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3)); 2184 2185 /* finish the hash */ 2186 CVMX_PREFETCH0(od->octo_hmouter); 2187 #if 0 2188 if (__predict_false(inplen)) { 2189 uint64_t tmp = 0; 2190 uint8_t *p = (uint8_t *) & tmp; 2191 p[inplen] = 0x80; 2192 do { 2193 inplen--; 2194 p[inplen] = ((uint8_t *) data)[inplen]; 2195 } while (inplen); 2196 CVM_LOAD_MD5_UNIT(tmp, next); 2197 } else { 2198 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 2199 } 2200 #else 2201 CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next); 2202 #endif 2203 2204 /* save the HMAC */ 2205 IOV_INIT(iov, data32, data_i, data_l); 2206 while (icv_off > 0) { 2207 IOV_CONSUME(iov, data32, data_i, data_l); 2208 icv_off -= 4; 2209 } 2210 CVMX_MF_HSH_IV(tmp1, 0); 2211 *data32 = (uint32_t) (tmp1 >> 32); 2212 IOV_CONSUME(iov, data32, data_i, data_l); 2213 *data32 = (uint32_t) tmp1; 2214 IOV_CONSUME(iov, data32, data_i, data_l); 2215 CVMX_MF_HSH_IV(tmp1, 1); 2216 *data32 = (uint32_t) (tmp1 >> 32); 2217 2218 octeon_crypto_disable(s); 2219 return 0; 2220 } 2221 2222 /****************************************************************************/
Cache object: 7ad1b2699eb3fdba113dfbae1126e12b
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