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[ceph.git] / ceph / src / spdk / dpdk / drivers / crypto / openssl / rte_openssl_pmd.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016-2017 Intel Corporation
3 */
4
5 #include <rte_common.h>
6 #include <rte_hexdump.h>
7 #include <rte_cryptodev.h>
8 #include <rte_cryptodev_pmd.h>
9 #include <rte_bus_vdev.h>
10 #include <rte_malloc.h>
11 #include <rte_cpuflags.h>
12
13 #include <openssl/hmac.h>
14 #include <openssl/evp.h>
15
16 #include "rte_openssl_pmd_private.h"
17 #include "compat.h"
18
19 #define DES_BLOCK_SIZE 8
20
21 static uint8_t cryptodev_driver_id;
22
23 #if (OPENSSL_VERSION_NUMBER < 0x10100000L)
24 static HMAC_CTX *HMAC_CTX_new(void)
25 {
26 HMAC_CTX *ctx = OPENSSL_malloc(sizeof(*ctx));
27
28 if (ctx != NULL)
29 HMAC_CTX_init(ctx);
30 return ctx;
31 }
32
33 static void HMAC_CTX_free(HMAC_CTX *ctx)
34 {
35 if (ctx != NULL) {
36 HMAC_CTX_cleanup(ctx);
37 OPENSSL_free(ctx);
38 }
39 }
40 #endif
41
42 static int cryptodev_openssl_remove(struct rte_vdev_device *vdev);
43
44 /*----------------------------------------------------------------------------*/
45
46 /**
47 * Increment counter by 1
48 * Counter is 64 bit array, big-endian
49 */
50 static void
51 ctr_inc(uint8_t *ctr)
52 {
53 uint64_t *ctr64 = (uint64_t *)ctr;
54
55 *ctr64 = __builtin_bswap64(*ctr64);
56 (*ctr64)++;
57 *ctr64 = __builtin_bswap64(*ctr64);
58 }
59
60 /*
61 *------------------------------------------------------------------------------
62 * Session Prepare
63 *------------------------------------------------------------------------------
64 */
65
66 /** Get xform chain order */
67 static enum openssl_chain_order
68 openssl_get_chain_order(const struct rte_crypto_sym_xform *xform)
69 {
70 enum openssl_chain_order res = OPENSSL_CHAIN_NOT_SUPPORTED;
71
72 if (xform != NULL) {
73 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
74 if (xform->next == NULL)
75 res = OPENSSL_CHAIN_ONLY_AUTH;
76 else if (xform->next->type ==
77 RTE_CRYPTO_SYM_XFORM_CIPHER)
78 res = OPENSSL_CHAIN_AUTH_CIPHER;
79 }
80 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
81 if (xform->next == NULL)
82 res = OPENSSL_CHAIN_ONLY_CIPHER;
83 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
84 res = OPENSSL_CHAIN_CIPHER_AUTH;
85 }
86 if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD)
87 res = OPENSSL_CHAIN_COMBINED;
88 }
89
90 return res;
91 }
92
93 /** Get session cipher key from input cipher key */
94 static void
95 get_cipher_key(uint8_t *input_key, int keylen, uint8_t *session_key)
96 {
97 memcpy(session_key, input_key, keylen);
98 }
99
100 /** Get key ede 24 bytes standard from input key */
101 static int
102 get_cipher_key_ede(uint8_t *key, int keylen, uint8_t *key_ede)
103 {
104 int res = 0;
105
106 /* Initialize keys - 24 bytes: [key1-key2-key3] */
107 switch (keylen) {
108 case 24:
109 memcpy(key_ede, key, 24);
110 break;
111 case 16:
112 /* K3 = K1 */
113 memcpy(key_ede, key, 16);
114 memcpy(key_ede + 16, key, 8);
115 break;
116 case 8:
117 /* K1 = K2 = K3 (DES compatibility) */
118 memcpy(key_ede, key, 8);
119 memcpy(key_ede + 8, key, 8);
120 memcpy(key_ede + 16, key, 8);
121 break;
122 default:
123 OPENSSL_LOG(ERR, "Unsupported key size");
124 res = -EINVAL;
125 }
126
127 return res;
128 }
129
130 /** Get adequate openssl function for input cipher algorithm */
131 static uint8_t
132 get_cipher_algo(enum rte_crypto_cipher_algorithm sess_algo, size_t keylen,
133 const EVP_CIPHER **algo)
134 {
135 int res = 0;
136
137 if (algo != NULL) {
138 switch (sess_algo) {
139 case RTE_CRYPTO_CIPHER_3DES_CBC:
140 switch (keylen) {
141 case 8:
142 *algo = EVP_des_cbc();
143 break;
144 case 16:
145 *algo = EVP_des_ede_cbc();
146 break;
147 case 24:
148 *algo = EVP_des_ede3_cbc();
149 break;
150 default:
151 res = -EINVAL;
152 }
153 break;
154 case RTE_CRYPTO_CIPHER_3DES_CTR:
155 break;
156 case RTE_CRYPTO_CIPHER_AES_CBC:
157 switch (keylen) {
158 case 16:
159 *algo = EVP_aes_128_cbc();
160 break;
161 case 24:
162 *algo = EVP_aes_192_cbc();
163 break;
164 case 32:
165 *algo = EVP_aes_256_cbc();
166 break;
167 default:
168 res = -EINVAL;
169 }
170 break;
171 case RTE_CRYPTO_CIPHER_AES_CTR:
172 switch (keylen) {
173 case 16:
174 *algo = EVP_aes_128_ctr();
175 break;
176 case 24:
177 *algo = EVP_aes_192_ctr();
178 break;
179 case 32:
180 *algo = EVP_aes_256_ctr();
181 break;
182 default:
183 res = -EINVAL;
184 }
185 break;
186 default:
187 res = -EINVAL;
188 break;
189 }
190 } else {
191 res = -EINVAL;
192 }
193
194 return res;
195 }
196
197 /** Get adequate openssl function for input auth algorithm */
198 static uint8_t
199 get_auth_algo(enum rte_crypto_auth_algorithm sessalgo,
200 const EVP_MD **algo)
201 {
202 int res = 0;
203
204 if (algo != NULL) {
205 switch (sessalgo) {
206 case RTE_CRYPTO_AUTH_MD5:
207 case RTE_CRYPTO_AUTH_MD5_HMAC:
208 *algo = EVP_md5();
209 break;
210 case RTE_CRYPTO_AUTH_SHA1:
211 case RTE_CRYPTO_AUTH_SHA1_HMAC:
212 *algo = EVP_sha1();
213 break;
214 case RTE_CRYPTO_AUTH_SHA224:
215 case RTE_CRYPTO_AUTH_SHA224_HMAC:
216 *algo = EVP_sha224();
217 break;
218 case RTE_CRYPTO_AUTH_SHA256:
219 case RTE_CRYPTO_AUTH_SHA256_HMAC:
220 *algo = EVP_sha256();
221 break;
222 case RTE_CRYPTO_AUTH_SHA384:
223 case RTE_CRYPTO_AUTH_SHA384_HMAC:
224 *algo = EVP_sha384();
225 break;
226 case RTE_CRYPTO_AUTH_SHA512:
227 case RTE_CRYPTO_AUTH_SHA512_HMAC:
228 *algo = EVP_sha512();
229 break;
230 default:
231 res = -EINVAL;
232 break;
233 }
234 } else {
235 res = -EINVAL;
236 }
237
238 return res;
239 }
240
241 /** Get adequate openssl function for input cipher algorithm */
242 static uint8_t
243 get_aead_algo(enum rte_crypto_aead_algorithm sess_algo, size_t keylen,
244 const EVP_CIPHER **algo)
245 {
246 int res = 0;
247
248 if (algo != NULL) {
249 switch (sess_algo) {
250 case RTE_CRYPTO_AEAD_AES_GCM:
251 switch (keylen) {
252 case 16:
253 *algo = EVP_aes_128_gcm();
254 break;
255 case 24:
256 *algo = EVP_aes_192_gcm();
257 break;
258 case 32:
259 *algo = EVP_aes_256_gcm();
260 break;
261 default:
262 res = -EINVAL;
263 }
264 break;
265 case RTE_CRYPTO_AEAD_AES_CCM:
266 switch (keylen) {
267 case 16:
268 *algo = EVP_aes_128_ccm();
269 break;
270 case 24:
271 *algo = EVP_aes_192_ccm();
272 break;
273 case 32:
274 *algo = EVP_aes_256_ccm();
275 break;
276 default:
277 res = -EINVAL;
278 }
279 break;
280 default:
281 res = -EINVAL;
282 break;
283 }
284 } else {
285 res = -EINVAL;
286 }
287
288 return res;
289 }
290
291 /* Set session AEAD encryption parameters */
292 static int
293 openssl_set_sess_aead_enc_param(struct openssl_session *sess,
294 enum rte_crypto_aead_algorithm algo,
295 uint8_t tag_len, uint8_t *key)
296 {
297 int iv_type = 0;
298 unsigned int do_ccm;
299
300 sess->cipher.direction = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
301 sess->auth.operation = RTE_CRYPTO_AUTH_OP_GENERATE;
302
303 /* Select AEAD algo */
304 switch (algo) {
305 case RTE_CRYPTO_AEAD_AES_GCM:
306 iv_type = EVP_CTRL_GCM_SET_IVLEN;
307 if (tag_len != 16)
308 return -EINVAL;
309 do_ccm = 0;
310 break;
311 case RTE_CRYPTO_AEAD_AES_CCM:
312 iv_type = EVP_CTRL_CCM_SET_IVLEN;
313 /* Digest size can be 4, 6, 8, 10, 12, 14 or 16 bytes */
314 if (tag_len < 4 || tag_len > 16 || (tag_len & 1) == 1)
315 return -EINVAL;
316 do_ccm = 1;
317 break;
318 default:
319 return -ENOTSUP;
320 }
321
322 sess->cipher.mode = OPENSSL_CIPHER_LIB;
323 sess->cipher.ctx = EVP_CIPHER_CTX_new();
324
325 if (get_aead_algo(algo, sess->cipher.key.length,
326 &sess->cipher.evp_algo) != 0)
327 return -EINVAL;
328
329 get_cipher_key(key, sess->cipher.key.length, sess->cipher.key.data);
330
331 sess->chain_order = OPENSSL_CHAIN_COMBINED;
332
333 if (EVP_EncryptInit_ex(sess->cipher.ctx, sess->cipher.evp_algo,
334 NULL, NULL, NULL) <= 0)
335 return -EINVAL;
336
337 if (EVP_CIPHER_CTX_ctrl(sess->cipher.ctx, iv_type, sess->iv.length,
338 NULL) <= 0)
339 return -EINVAL;
340
341 if (do_ccm)
342 EVP_CIPHER_CTX_ctrl(sess->cipher.ctx, EVP_CTRL_CCM_SET_TAG,
343 tag_len, NULL);
344
345 if (EVP_EncryptInit_ex(sess->cipher.ctx, NULL, NULL, key, NULL) <= 0)
346 return -EINVAL;
347
348 return 0;
349 }
350
351 /* Set session AEAD decryption parameters */
352 static int
353 openssl_set_sess_aead_dec_param(struct openssl_session *sess,
354 enum rte_crypto_aead_algorithm algo,
355 uint8_t tag_len, uint8_t *key)
356 {
357 int iv_type = 0;
358 unsigned int do_ccm = 0;
359
360 sess->cipher.direction = RTE_CRYPTO_CIPHER_OP_DECRYPT;
361 sess->auth.operation = RTE_CRYPTO_AUTH_OP_VERIFY;
362
363 /* Select AEAD algo */
364 switch (algo) {
365 case RTE_CRYPTO_AEAD_AES_GCM:
366 iv_type = EVP_CTRL_GCM_SET_IVLEN;
367 if (tag_len != 16)
368 return -EINVAL;
369 break;
370 case RTE_CRYPTO_AEAD_AES_CCM:
371 iv_type = EVP_CTRL_CCM_SET_IVLEN;
372 /* Digest size can be 4, 6, 8, 10, 12, 14 or 16 bytes */
373 if (tag_len < 4 || tag_len > 16 || (tag_len & 1) == 1)
374 return -EINVAL;
375 do_ccm = 1;
376 break;
377 default:
378 return -ENOTSUP;
379 }
380
381 sess->cipher.mode = OPENSSL_CIPHER_LIB;
382 sess->cipher.ctx = EVP_CIPHER_CTX_new();
383
384 if (get_aead_algo(algo, sess->cipher.key.length,
385 &sess->cipher.evp_algo) != 0)
386 return -EINVAL;
387
388 get_cipher_key(key, sess->cipher.key.length, sess->cipher.key.data);
389
390 sess->chain_order = OPENSSL_CHAIN_COMBINED;
391
392 if (EVP_DecryptInit_ex(sess->cipher.ctx, sess->cipher.evp_algo,
393 NULL, NULL, NULL) <= 0)
394 return -EINVAL;
395
396 if (EVP_CIPHER_CTX_ctrl(sess->cipher.ctx, iv_type,
397 sess->iv.length, NULL) <= 0)
398 return -EINVAL;
399
400 if (do_ccm)
401 EVP_CIPHER_CTX_ctrl(sess->cipher.ctx, EVP_CTRL_CCM_SET_TAG,
402 tag_len, NULL);
403
404 if (EVP_DecryptInit_ex(sess->cipher.ctx, NULL, NULL, key, NULL) <= 0)
405 return -EINVAL;
406
407 return 0;
408 }
409
410 /** Set session cipher parameters */
411 static int
412 openssl_set_session_cipher_parameters(struct openssl_session *sess,
413 const struct rte_crypto_sym_xform *xform)
414 {
415 /* Select cipher direction */
416 sess->cipher.direction = xform->cipher.op;
417 /* Select cipher key */
418 sess->cipher.key.length = xform->cipher.key.length;
419
420 /* Set IV parameters */
421 sess->iv.offset = xform->cipher.iv.offset;
422 sess->iv.length = xform->cipher.iv.length;
423
424 /* Select cipher algo */
425 switch (xform->cipher.algo) {
426 case RTE_CRYPTO_CIPHER_3DES_CBC:
427 case RTE_CRYPTO_CIPHER_AES_CBC:
428 case RTE_CRYPTO_CIPHER_AES_CTR:
429 sess->cipher.mode = OPENSSL_CIPHER_LIB;
430 sess->cipher.algo = xform->cipher.algo;
431 sess->cipher.ctx = EVP_CIPHER_CTX_new();
432
433 if (get_cipher_algo(sess->cipher.algo, sess->cipher.key.length,
434 &sess->cipher.evp_algo) != 0)
435 return -EINVAL;
436
437 get_cipher_key(xform->cipher.key.data, sess->cipher.key.length,
438 sess->cipher.key.data);
439 if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
440 if (EVP_EncryptInit_ex(sess->cipher.ctx,
441 sess->cipher.evp_algo,
442 NULL, xform->cipher.key.data,
443 NULL) != 1) {
444 return -EINVAL;
445 }
446 } else if (sess->cipher.direction ==
447 RTE_CRYPTO_CIPHER_OP_DECRYPT) {
448 if (EVP_DecryptInit_ex(sess->cipher.ctx,
449 sess->cipher.evp_algo,
450 NULL, xform->cipher.key.data,
451 NULL) != 1) {
452 return -EINVAL;
453 }
454 }
455
456 break;
457
458 case RTE_CRYPTO_CIPHER_3DES_CTR:
459 sess->cipher.mode = OPENSSL_CIPHER_DES3CTR;
460 sess->cipher.ctx = EVP_CIPHER_CTX_new();
461
462 if (get_cipher_key_ede(xform->cipher.key.data,
463 sess->cipher.key.length,
464 sess->cipher.key.data) != 0)
465 return -EINVAL;
466 break;
467
468 case RTE_CRYPTO_CIPHER_DES_CBC:
469 sess->cipher.algo = xform->cipher.algo;
470 sess->cipher.ctx = EVP_CIPHER_CTX_new();
471 sess->cipher.evp_algo = EVP_des_cbc();
472
473 get_cipher_key(xform->cipher.key.data, sess->cipher.key.length,
474 sess->cipher.key.data);
475 if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
476 if (EVP_EncryptInit_ex(sess->cipher.ctx,
477 sess->cipher.evp_algo,
478 NULL, xform->cipher.key.data,
479 NULL) != 1) {
480 return -EINVAL;
481 }
482 } else if (sess->cipher.direction ==
483 RTE_CRYPTO_CIPHER_OP_DECRYPT) {
484 if (EVP_DecryptInit_ex(sess->cipher.ctx,
485 sess->cipher.evp_algo,
486 NULL, xform->cipher.key.data,
487 NULL) != 1) {
488 return -EINVAL;
489 }
490 }
491
492 break;
493
494 case RTE_CRYPTO_CIPHER_DES_DOCSISBPI:
495 sess->cipher.algo = xform->cipher.algo;
496 sess->chain_order = OPENSSL_CHAIN_CIPHER_BPI;
497 sess->cipher.ctx = EVP_CIPHER_CTX_new();
498 sess->cipher.evp_algo = EVP_des_cbc();
499
500 sess->cipher.bpi_ctx = EVP_CIPHER_CTX_new();
501 /* IV will be ECB encrypted whether direction is encrypt or decrypt */
502 if (EVP_EncryptInit_ex(sess->cipher.bpi_ctx, EVP_des_ecb(),
503 NULL, xform->cipher.key.data, 0) != 1)
504 return -EINVAL;
505
506 get_cipher_key(xform->cipher.key.data, sess->cipher.key.length,
507 sess->cipher.key.data);
508 if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
509 if (EVP_EncryptInit_ex(sess->cipher.ctx,
510 sess->cipher.evp_algo,
511 NULL, xform->cipher.key.data,
512 NULL) != 1) {
513 return -EINVAL;
514 }
515 } else if (sess->cipher.direction ==
516 RTE_CRYPTO_CIPHER_OP_DECRYPT) {
517 if (EVP_DecryptInit_ex(sess->cipher.ctx,
518 sess->cipher.evp_algo,
519 NULL, xform->cipher.key.data,
520 NULL) != 1) {
521 return -EINVAL;
522 }
523 }
524
525 break;
526 default:
527 sess->cipher.algo = RTE_CRYPTO_CIPHER_NULL;
528 return -ENOTSUP;
529 }
530
531 return 0;
532 }
533
534 /* Set session auth parameters */
535 static int
536 openssl_set_session_auth_parameters(struct openssl_session *sess,
537 const struct rte_crypto_sym_xform *xform)
538 {
539 /* Select auth generate/verify */
540 sess->auth.operation = xform->auth.op;
541 sess->auth.algo = xform->auth.algo;
542
543 sess->auth.digest_length = xform->auth.digest_length;
544
545 /* Select auth algo */
546 switch (xform->auth.algo) {
547 case RTE_CRYPTO_AUTH_AES_GMAC:
548 /*
549 * OpenSSL requires GMAC to be a GCM operation
550 * with no cipher data length
551 */
552 sess->cipher.key.length = xform->auth.key.length;
553
554 /* Set IV parameters */
555 sess->iv.offset = xform->auth.iv.offset;
556 sess->iv.length = xform->auth.iv.length;
557
558 if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_GENERATE)
559 return openssl_set_sess_aead_enc_param(sess,
560 RTE_CRYPTO_AEAD_AES_GCM,
561 xform->auth.digest_length,
562 xform->auth.key.data);
563 else
564 return openssl_set_sess_aead_dec_param(sess,
565 RTE_CRYPTO_AEAD_AES_GCM,
566 xform->auth.digest_length,
567 xform->auth.key.data);
568 break;
569
570 case RTE_CRYPTO_AUTH_MD5:
571 case RTE_CRYPTO_AUTH_SHA1:
572 case RTE_CRYPTO_AUTH_SHA224:
573 case RTE_CRYPTO_AUTH_SHA256:
574 case RTE_CRYPTO_AUTH_SHA384:
575 case RTE_CRYPTO_AUTH_SHA512:
576 sess->auth.mode = OPENSSL_AUTH_AS_AUTH;
577 if (get_auth_algo(xform->auth.algo,
578 &sess->auth.auth.evp_algo) != 0)
579 return -EINVAL;
580 sess->auth.auth.ctx = EVP_MD_CTX_create();
581 break;
582
583 case RTE_CRYPTO_AUTH_MD5_HMAC:
584 case RTE_CRYPTO_AUTH_SHA1_HMAC:
585 case RTE_CRYPTO_AUTH_SHA224_HMAC:
586 case RTE_CRYPTO_AUTH_SHA256_HMAC:
587 case RTE_CRYPTO_AUTH_SHA384_HMAC:
588 case RTE_CRYPTO_AUTH_SHA512_HMAC:
589 sess->auth.mode = OPENSSL_AUTH_AS_HMAC;
590 sess->auth.hmac.ctx = HMAC_CTX_new();
591 if (get_auth_algo(xform->auth.algo,
592 &sess->auth.hmac.evp_algo) != 0)
593 return -EINVAL;
594
595 if (HMAC_Init_ex(sess->auth.hmac.ctx,
596 xform->auth.key.data,
597 xform->auth.key.length,
598 sess->auth.hmac.evp_algo, NULL) != 1)
599 return -EINVAL;
600 break;
601
602 default:
603 return -ENOTSUP;
604 }
605
606 return 0;
607 }
608
609 /* Set session AEAD parameters */
610 static int
611 openssl_set_session_aead_parameters(struct openssl_session *sess,
612 const struct rte_crypto_sym_xform *xform)
613 {
614 /* Select cipher key */
615 sess->cipher.key.length = xform->aead.key.length;
616
617 /* Set IV parameters */
618 if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_CCM)
619 /*
620 * For AES-CCM, the actual IV is placed
621 * one byte after the start of the IV field,
622 * according to the API.
623 */
624 sess->iv.offset = xform->aead.iv.offset + 1;
625 else
626 sess->iv.offset = xform->aead.iv.offset;
627
628 sess->iv.length = xform->aead.iv.length;
629
630 sess->auth.aad_length = xform->aead.aad_length;
631 sess->auth.digest_length = xform->aead.digest_length;
632
633 sess->aead_algo = xform->aead.algo;
634 /* Select cipher direction */
635 if (xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
636 return openssl_set_sess_aead_enc_param(sess, xform->aead.algo,
637 xform->aead.digest_length, xform->aead.key.data);
638 else
639 return openssl_set_sess_aead_dec_param(sess, xform->aead.algo,
640 xform->aead.digest_length, xform->aead.key.data);
641 }
642
643 /** Parse crypto xform chain and set private session parameters */
644 int
645 openssl_set_session_parameters(struct openssl_session *sess,
646 const struct rte_crypto_sym_xform *xform)
647 {
648 const struct rte_crypto_sym_xform *cipher_xform = NULL;
649 const struct rte_crypto_sym_xform *auth_xform = NULL;
650 const struct rte_crypto_sym_xform *aead_xform = NULL;
651 int ret;
652
653 sess->chain_order = openssl_get_chain_order(xform);
654 switch (sess->chain_order) {
655 case OPENSSL_CHAIN_ONLY_CIPHER:
656 cipher_xform = xform;
657 break;
658 case OPENSSL_CHAIN_ONLY_AUTH:
659 auth_xform = xform;
660 break;
661 case OPENSSL_CHAIN_CIPHER_AUTH:
662 cipher_xform = xform;
663 auth_xform = xform->next;
664 break;
665 case OPENSSL_CHAIN_AUTH_CIPHER:
666 auth_xform = xform;
667 cipher_xform = xform->next;
668 break;
669 case OPENSSL_CHAIN_COMBINED:
670 aead_xform = xform;
671 break;
672 default:
673 return -EINVAL;
674 }
675
676 /* Default IV length = 0 */
677 sess->iv.length = 0;
678
679 /* cipher_xform must be check before auth_xform */
680 if (cipher_xform) {
681 ret = openssl_set_session_cipher_parameters(
682 sess, cipher_xform);
683 if (ret != 0) {
684 OPENSSL_LOG(ERR,
685 "Invalid/unsupported cipher parameters");
686 return ret;
687 }
688 }
689
690 if (auth_xform) {
691 ret = openssl_set_session_auth_parameters(sess, auth_xform);
692 if (ret != 0) {
693 OPENSSL_LOG(ERR,
694 "Invalid/unsupported auth parameters");
695 return ret;
696 }
697 }
698
699 if (aead_xform) {
700 ret = openssl_set_session_aead_parameters(sess, aead_xform);
701 if (ret != 0) {
702 OPENSSL_LOG(ERR,
703 "Invalid/unsupported AEAD parameters");
704 return ret;
705 }
706 }
707
708 return 0;
709 }
710
711 /** Reset private session parameters */
712 void
713 openssl_reset_session(struct openssl_session *sess)
714 {
715 EVP_CIPHER_CTX_free(sess->cipher.ctx);
716
717 if (sess->chain_order == OPENSSL_CHAIN_CIPHER_BPI)
718 EVP_CIPHER_CTX_free(sess->cipher.bpi_ctx);
719
720 switch (sess->auth.mode) {
721 case OPENSSL_AUTH_AS_AUTH:
722 EVP_MD_CTX_destroy(sess->auth.auth.ctx);
723 break;
724 case OPENSSL_AUTH_AS_HMAC:
725 EVP_PKEY_free(sess->auth.hmac.pkey);
726 HMAC_CTX_free(sess->auth.hmac.ctx);
727 break;
728 default:
729 break;
730 }
731 }
732
733 /** Provide session for operation */
734 static void *
735 get_session(struct openssl_qp *qp, struct rte_crypto_op *op)
736 {
737 struct openssl_session *sess = NULL;
738 struct openssl_asym_session *asym_sess = NULL;
739
740 if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
741 if (op->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
742 /* get existing session */
743 if (likely(op->sym->session != NULL))
744 sess = (struct openssl_session *)
745 get_sym_session_private_data(
746 op->sym->session,
747 cryptodev_driver_id);
748 } else {
749 if (likely(op->asym->session != NULL))
750 asym_sess = (struct openssl_asym_session *)
751 get_asym_session_private_data(
752 op->asym->session,
753 cryptodev_driver_id);
754 if (asym_sess == NULL)
755 op->status =
756 RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
757 return asym_sess;
758 }
759 } else {
760 /* sessionless asymmetric not supported */
761 if (op->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
762 return NULL;
763
764 /* provide internal session */
765 void *_sess = NULL;
766 void *_sess_private_data = NULL;
767
768 if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
769 return NULL;
770
771 if (rte_mempool_get(qp->sess_mp_priv,
772 (void **)&_sess_private_data))
773 return NULL;
774
775 sess = (struct openssl_session *)_sess_private_data;
776
777 if (unlikely(openssl_set_session_parameters(sess,
778 op->sym->xform) != 0)) {
779 rte_mempool_put(qp->sess_mp, _sess);
780 rte_mempool_put(qp->sess_mp_priv, _sess_private_data);
781 sess = NULL;
782 }
783 op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
784 set_sym_session_private_data(op->sym->session,
785 cryptodev_driver_id, _sess_private_data);
786 }
787
788 if (sess == NULL)
789 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
790
791 return sess;
792 }
793
794 /*
795 *------------------------------------------------------------------------------
796 * Process Operations
797 *------------------------------------------------------------------------------
798 */
799 static inline int
800 process_openssl_encryption_update(struct rte_mbuf *mbuf_src, int offset,
801 uint8_t **dst, int srclen, EVP_CIPHER_CTX *ctx)
802 {
803 struct rte_mbuf *m;
804 int dstlen;
805 int l, n = srclen;
806 uint8_t *src;
807
808 for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
809 m = m->next)
810 offset -= rte_pktmbuf_data_len(m);
811
812 if (m == 0)
813 return -1;
814
815 src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
816
817 l = rte_pktmbuf_data_len(m) - offset;
818 if (srclen <= l) {
819 if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, srclen) <= 0)
820 return -1;
821 *dst += l;
822 return 0;
823 }
824
825 if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
826 return -1;
827
828 *dst += dstlen;
829 n -= l;
830
831 for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
832 src = rte_pktmbuf_mtod(m, uint8_t *);
833 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
834 if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
835 return -1;
836 *dst += dstlen;
837 n -= l;
838 }
839
840 return 0;
841 }
842
843 static inline int
844 process_openssl_decryption_update(struct rte_mbuf *mbuf_src, int offset,
845 uint8_t **dst, int srclen, EVP_CIPHER_CTX *ctx)
846 {
847 struct rte_mbuf *m;
848 int dstlen;
849 int l, n = srclen;
850 uint8_t *src;
851
852 for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
853 m = m->next)
854 offset -= rte_pktmbuf_data_len(m);
855
856 if (m == 0)
857 return -1;
858
859 src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
860
861 l = rte_pktmbuf_data_len(m) - offset;
862 if (srclen <= l) {
863 if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, srclen) <= 0)
864 return -1;
865 *dst += l;
866 return 0;
867 }
868
869 if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
870 return -1;
871
872 *dst += dstlen;
873 n -= l;
874
875 for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
876 src = rte_pktmbuf_mtod(m, uint8_t *);
877 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
878 if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
879 return -1;
880 *dst += dstlen;
881 n -= l;
882 }
883
884 return 0;
885 }
886
887 /** Process standard openssl cipher encryption */
888 static int
889 process_openssl_cipher_encrypt(struct rte_mbuf *mbuf_src, uint8_t *dst,
890 int offset, uint8_t *iv, int srclen, EVP_CIPHER_CTX *ctx)
891 {
892 int totlen;
893
894 if (EVP_EncryptInit_ex(ctx, NULL, NULL, NULL, iv) <= 0)
895 goto process_cipher_encrypt_err;
896
897 EVP_CIPHER_CTX_set_padding(ctx, 0);
898
899 if (process_openssl_encryption_update(mbuf_src, offset, &dst,
900 srclen, ctx))
901 goto process_cipher_encrypt_err;
902
903 if (EVP_EncryptFinal_ex(ctx, dst, &totlen) <= 0)
904 goto process_cipher_encrypt_err;
905
906 return 0;
907
908 process_cipher_encrypt_err:
909 OPENSSL_LOG(ERR, "Process openssl cipher encrypt failed");
910 return -EINVAL;
911 }
912
913 /** Process standard openssl cipher encryption */
914 static int
915 process_openssl_cipher_bpi_encrypt(uint8_t *src, uint8_t *dst,
916 uint8_t *iv, int srclen,
917 EVP_CIPHER_CTX *ctx)
918 {
919 uint8_t i;
920 uint8_t encrypted_iv[DES_BLOCK_SIZE];
921 int encrypted_ivlen;
922
923 if (EVP_EncryptUpdate(ctx, encrypted_iv, &encrypted_ivlen,
924 iv, DES_BLOCK_SIZE) <= 0)
925 goto process_cipher_encrypt_err;
926
927 for (i = 0; i < srclen; i++)
928 *(dst + i) = *(src + i) ^ (encrypted_iv[i]);
929
930 return 0;
931
932 process_cipher_encrypt_err:
933 OPENSSL_LOG(ERR, "Process openssl cipher bpi encrypt failed");
934 return -EINVAL;
935 }
936 /** Process standard openssl cipher decryption */
937 static int
938 process_openssl_cipher_decrypt(struct rte_mbuf *mbuf_src, uint8_t *dst,
939 int offset, uint8_t *iv, int srclen, EVP_CIPHER_CTX *ctx)
940 {
941 int totlen;
942
943 if (EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, iv) <= 0)
944 goto process_cipher_decrypt_err;
945
946 EVP_CIPHER_CTX_set_padding(ctx, 0);
947
948 if (process_openssl_decryption_update(mbuf_src, offset, &dst,
949 srclen, ctx))
950 goto process_cipher_decrypt_err;
951
952 if (EVP_DecryptFinal_ex(ctx, dst, &totlen) <= 0)
953 goto process_cipher_decrypt_err;
954 return 0;
955
956 process_cipher_decrypt_err:
957 OPENSSL_LOG(ERR, "Process openssl cipher decrypt failed");
958 return -EINVAL;
959 }
960
961 /** Process cipher des 3 ctr encryption, decryption algorithm */
962 static int
963 process_openssl_cipher_des3ctr(struct rte_mbuf *mbuf_src, uint8_t *dst,
964 int offset, uint8_t *iv, uint8_t *key, int srclen,
965 EVP_CIPHER_CTX *ctx)
966 {
967 uint8_t ebuf[8], ctr[8];
968 int unused, n;
969 struct rte_mbuf *m;
970 uint8_t *src;
971 int l;
972
973 for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
974 m = m->next)
975 offset -= rte_pktmbuf_data_len(m);
976
977 if (m == 0)
978 goto process_cipher_des3ctr_err;
979
980 src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
981 l = rte_pktmbuf_data_len(m) - offset;
982
983 /* We use 3DES encryption also for decryption.
984 * IV is not important for 3DES ecb
985 */
986 if (EVP_EncryptInit_ex(ctx, EVP_des_ede3_ecb(), NULL, key, NULL) <= 0)
987 goto process_cipher_des3ctr_err;
988
989 memcpy(ctr, iv, 8);
990
991 for (n = 0; n < srclen; n++) {
992 if (n % 8 == 0) {
993 if (EVP_EncryptUpdate(ctx,
994 (unsigned char *)&ebuf, &unused,
995 (const unsigned char *)&ctr, 8) <= 0)
996 goto process_cipher_des3ctr_err;
997 ctr_inc(ctr);
998 }
999 dst[n] = *(src++) ^ ebuf[n % 8];
1000
1001 l--;
1002 if (!l) {
1003 m = m->next;
1004 if (m) {
1005 src = rte_pktmbuf_mtod(m, uint8_t *);
1006 l = rte_pktmbuf_data_len(m);
1007 }
1008 }
1009 }
1010
1011 return 0;
1012
1013 process_cipher_des3ctr_err:
1014 OPENSSL_LOG(ERR, "Process openssl cipher des 3 ede ctr failed");
1015 return -EINVAL;
1016 }
1017
1018 /** Process AES-GCM encrypt algorithm */
1019 static int
1020 process_openssl_auth_encryption_gcm(struct rte_mbuf *mbuf_src, int offset,
1021 int srclen, uint8_t *aad, int aadlen, uint8_t *iv,
1022 uint8_t *dst, uint8_t *tag, EVP_CIPHER_CTX *ctx)
1023 {
1024 int len = 0, unused = 0;
1025 uint8_t empty[] = {};
1026
1027 if (EVP_EncryptInit_ex(ctx, NULL, NULL, NULL, iv) <= 0)
1028 goto process_auth_encryption_gcm_err;
1029
1030 if (aadlen > 0)
1031 if (EVP_EncryptUpdate(ctx, NULL, &len, aad, aadlen) <= 0)
1032 goto process_auth_encryption_gcm_err;
1033
1034 if (srclen > 0)
1035 if (process_openssl_encryption_update(mbuf_src, offset, &dst,
1036 srclen, ctx))
1037 goto process_auth_encryption_gcm_err;
1038
1039 /* Workaround open ssl bug in version less then 1.0.1f */
1040 if (EVP_EncryptUpdate(ctx, empty, &unused, empty, 0) <= 0)
1041 goto process_auth_encryption_gcm_err;
1042
1043 if (EVP_EncryptFinal_ex(ctx, dst, &len) <= 0)
1044 goto process_auth_encryption_gcm_err;
1045
1046 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, 16, tag) <= 0)
1047 goto process_auth_encryption_gcm_err;
1048
1049 return 0;
1050
1051 process_auth_encryption_gcm_err:
1052 OPENSSL_LOG(ERR, "Process openssl auth encryption gcm failed");
1053 return -EINVAL;
1054 }
1055
1056 /** Process AES-CCM encrypt algorithm */
1057 static int
1058 process_openssl_auth_encryption_ccm(struct rte_mbuf *mbuf_src, int offset,
1059 int srclen, uint8_t *aad, int aadlen, uint8_t *iv,
1060 uint8_t *dst, uint8_t *tag, uint8_t taglen, EVP_CIPHER_CTX *ctx)
1061 {
1062 int len = 0;
1063
1064 if (EVP_EncryptInit_ex(ctx, NULL, NULL, NULL, iv) <= 0)
1065 goto process_auth_encryption_ccm_err;
1066
1067 if (EVP_EncryptUpdate(ctx, NULL, &len, NULL, srclen) <= 0)
1068 goto process_auth_encryption_ccm_err;
1069
1070 if (aadlen > 0)
1071 /*
1072 * For AES-CCM, the actual AAD is placed
1073 * 18 bytes after the start of the AAD field,
1074 * according to the API.
1075 */
1076 if (EVP_EncryptUpdate(ctx, NULL, &len, aad + 18, aadlen) <= 0)
1077 goto process_auth_encryption_ccm_err;
1078
1079 if (srclen > 0)
1080 if (process_openssl_encryption_update(mbuf_src, offset, &dst,
1081 srclen, ctx))
1082 goto process_auth_encryption_ccm_err;
1083
1084 if (EVP_EncryptFinal_ex(ctx, dst, &len) <= 0)
1085 goto process_auth_encryption_ccm_err;
1086
1087 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_GET_TAG, taglen, tag) <= 0)
1088 goto process_auth_encryption_ccm_err;
1089
1090 return 0;
1091
1092 process_auth_encryption_ccm_err:
1093 OPENSSL_LOG(ERR, "Process openssl auth encryption ccm failed");
1094 return -EINVAL;
1095 }
1096
1097 /** Process AES-GCM decrypt algorithm */
1098 static int
1099 process_openssl_auth_decryption_gcm(struct rte_mbuf *mbuf_src, int offset,
1100 int srclen, uint8_t *aad, int aadlen, uint8_t *iv,
1101 uint8_t *dst, uint8_t *tag, EVP_CIPHER_CTX *ctx)
1102 {
1103 int len = 0, unused = 0;
1104 uint8_t empty[] = {};
1105
1106 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, 16, tag) <= 0)
1107 goto process_auth_decryption_gcm_err;
1108
1109 if (EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, iv) <= 0)
1110 goto process_auth_decryption_gcm_err;
1111
1112 if (aadlen > 0)
1113 if (EVP_DecryptUpdate(ctx, NULL, &len, aad, aadlen) <= 0)
1114 goto process_auth_decryption_gcm_err;
1115
1116 if (srclen > 0)
1117 if (process_openssl_decryption_update(mbuf_src, offset, &dst,
1118 srclen, ctx))
1119 goto process_auth_decryption_gcm_err;
1120
1121 /* Workaround open ssl bug in version less then 1.0.1f */
1122 if (EVP_DecryptUpdate(ctx, empty, &unused, empty, 0) <= 0)
1123 goto process_auth_decryption_gcm_err;
1124
1125 if (EVP_DecryptFinal_ex(ctx, dst, &len) <= 0)
1126 return -EFAULT;
1127
1128 return 0;
1129
1130 process_auth_decryption_gcm_err:
1131 OPENSSL_LOG(ERR, "Process openssl auth decryption gcm failed");
1132 return -EINVAL;
1133 }
1134
1135 /** Process AES-CCM decrypt algorithm */
1136 static int
1137 process_openssl_auth_decryption_ccm(struct rte_mbuf *mbuf_src, int offset,
1138 int srclen, uint8_t *aad, int aadlen, uint8_t *iv,
1139 uint8_t *dst, uint8_t *tag, uint8_t tag_len,
1140 EVP_CIPHER_CTX *ctx)
1141 {
1142 int len = 0;
1143
1144 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_SET_TAG, tag_len, tag) <= 0)
1145 goto process_auth_decryption_ccm_err;
1146
1147 if (EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, iv) <= 0)
1148 goto process_auth_decryption_ccm_err;
1149
1150 if (EVP_DecryptUpdate(ctx, NULL, &len, NULL, srclen) <= 0)
1151 goto process_auth_decryption_ccm_err;
1152
1153 if (aadlen > 0)
1154 /*
1155 * For AES-CCM, the actual AAD is placed
1156 * 18 bytes after the start of the AAD field,
1157 * according to the API.
1158 */
1159 if (EVP_DecryptUpdate(ctx, NULL, &len, aad + 18, aadlen) <= 0)
1160 goto process_auth_decryption_ccm_err;
1161
1162 if (srclen > 0)
1163 if (process_openssl_decryption_update(mbuf_src, offset, &dst,
1164 srclen, ctx))
1165 return -EFAULT;
1166
1167 return 0;
1168
1169 process_auth_decryption_ccm_err:
1170 OPENSSL_LOG(ERR, "Process openssl auth decryption ccm failed");
1171 return -EINVAL;
1172 }
1173
1174 /** Process standard openssl auth algorithms */
1175 static int
1176 process_openssl_auth(struct rte_mbuf *mbuf_src, uint8_t *dst, int offset,
1177 __rte_unused uint8_t *iv, __rte_unused EVP_PKEY * pkey,
1178 int srclen, EVP_MD_CTX *ctx, const EVP_MD *algo)
1179 {
1180 size_t dstlen;
1181 struct rte_mbuf *m;
1182 int l, n = srclen;
1183 uint8_t *src;
1184
1185 for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
1186 m = m->next)
1187 offset -= rte_pktmbuf_data_len(m);
1188
1189 if (m == 0)
1190 goto process_auth_err;
1191
1192 if (EVP_DigestInit_ex(ctx, algo, NULL) <= 0)
1193 goto process_auth_err;
1194
1195 src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
1196
1197 l = rte_pktmbuf_data_len(m) - offset;
1198 if (srclen <= l) {
1199 if (EVP_DigestUpdate(ctx, (char *)src, srclen) <= 0)
1200 goto process_auth_err;
1201 goto process_auth_final;
1202 }
1203
1204 if (EVP_DigestUpdate(ctx, (char *)src, l) <= 0)
1205 goto process_auth_err;
1206
1207 n -= l;
1208
1209 for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
1210 src = rte_pktmbuf_mtod(m, uint8_t *);
1211 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
1212 if (EVP_DigestUpdate(ctx, (char *)src, l) <= 0)
1213 goto process_auth_err;
1214 n -= l;
1215 }
1216
1217 process_auth_final:
1218 if (EVP_DigestFinal_ex(ctx, dst, (unsigned int *)&dstlen) <= 0)
1219 goto process_auth_err;
1220 return 0;
1221
1222 process_auth_err:
1223 OPENSSL_LOG(ERR, "Process openssl auth failed");
1224 return -EINVAL;
1225 }
1226
1227 /** Process standard openssl auth algorithms with hmac */
1228 static int
1229 process_openssl_auth_hmac(struct rte_mbuf *mbuf_src, uint8_t *dst, int offset,
1230 int srclen, HMAC_CTX *ctx)
1231 {
1232 unsigned int dstlen;
1233 struct rte_mbuf *m;
1234 int l, n = srclen;
1235 uint8_t *src;
1236
1237 for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
1238 m = m->next)
1239 offset -= rte_pktmbuf_data_len(m);
1240
1241 if (m == 0)
1242 goto process_auth_err;
1243
1244 src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
1245
1246 l = rte_pktmbuf_data_len(m) - offset;
1247 if (srclen <= l) {
1248 if (HMAC_Update(ctx, (unsigned char *)src, srclen) != 1)
1249 goto process_auth_err;
1250 goto process_auth_final;
1251 }
1252
1253 if (HMAC_Update(ctx, (unsigned char *)src, l) != 1)
1254 goto process_auth_err;
1255
1256 n -= l;
1257
1258 for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
1259 src = rte_pktmbuf_mtod(m, uint8_t *);
1260 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
1261 if (HMAC_Update(ctx, (unsigned char *)src, l) != 1)
1262 goto process_auth_err;
1263 n -= l;
1264 }
1265
1266 process_auth_final:
1267 if (HMAC_Final(ctx, dst, &dstlen) != 1)
1268 goto process_auth_err;
1269
1270 if (unlikely(HMAC_Init_ex(ctx, NULL, 0, NULL, NULL) != 1))
1271 goto process_auth_err;
1272
1273 return 0;
1274
1275 process_auth_err:
1276 OPENSSL_LOG(ERR, "Process openssl auth failed");
1277 return -EINVAL;
1278 }
1279
1280 /*----------------------------------------------------------------------------*/
1281
1282 /** Process auth/cipher combined operation */
1283 static void
1284 process_openssl_combined_op
1285 (struct rte_crypto_op *op, struct openssl_session *sess,
1286 struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
1287 {
1288 /* cipher */
1289 uint8_t *dst = NULL, *iv, *tag, *aad;
1290 int srclen, aadlen, status = -1;
1291 uint32_t offset;
1292 uint8_t taglen;
1293
1294 /*
1295 * Segmented destination buffer is not supported for
1296 * encryption/decryption
1297 */
1298 if (!rte_pktmbuf_is_contiguous(mbuf_dst)) {
1299 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1300 return;
1301 }
1302
1303 iv = rte_crypto_op_ctod_offset(op, uint8_t *,
1304 sess->iv.offset);
1305 if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) {
1306 srclen = 0;
1307 offset = op->sym->auth.data.offset;
1308 aadlen = op->sym->auth.data.length;
1309 aad = rte_pktmbuf_mtod_offset(mbuf_src, uint8_t *,
1310 op->sym->auth.data.offset);
1311 tag = op->sym->auth.digest.data;
1312 if (tag == NULL)
1313 tag = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
1314 offset + aadlen);
1315 } else {
1316 srclen = op->sym->aead.data.length;
1317 dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
1318 op->sym->aead.data.offset);
1319 offset = op->sym->aead.data.offset;
1320 aad = op->sym->aead.aad.data;
1321 aadlen = sess->auth.aad_length;
1322 tag = op->sym->aead.digest.data;
1323 if (tag == NULL)
1324 tag = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
1325 offset + srclen);
1326 }
1327
1328 taglen = sess->auth.digest_length;
1329
1330 if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
1331 if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC ||
1332 sess->aead_algo == RTE_CRYPTO_AEAD_AES_GCM)
1333 status = process_openssl_auth_encryption_gcm(
1334 mbuf_src, offset, srclen,
1335 aad, aadlen, iv,
1336 dst, tag, sess->cipher.ctx);
1337 else
1338 status = process_openssl_auth_encryption_ccm(
1339 mbuf_src, offset, srclen,
1340 aad, aadlen, iv,
1341 dst, tag, taglen, sess->cipher.ctx);
1342
1343 } else {
1344 if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC ||
1345 sess->aead_algo == RTE_CRYPTO_AEAD_AES_GCM)
1346 status = process_openssl_auth_decryption_gcm(
1347 mbuf_src, offset, srclen,
1348 aad, aadlen, iv,
1349 dst, tag, sess->cipher.ctx);
1350 else
1351 status = process_openssl_auth_decryption_ccm(
1352 mbuf_src, offset, srclen,
1353 aad, aadlen, iv,
1354 dst, tag, taglen, sess->cipher.ctx);
1355 }
1356
1357 if (status != 0) {
1358 if (status == (-EFAULT) &&
1359 sess->auth.operation ==
1360 RTE_CRYPTO_AUTH_OP_VERIFY)
1361 op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
1362 else
1363 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1364 }
1365 }
1366
1367 /** Process cipher operation */
1368 static void
1369 process_openssl_cipher_op
1370 (struct rte_crypto_op *op, struct openssl_session *sess,
1371 struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
1372 {
1373 uint8_t *dst, *iv;
1374 int srclen, status;
1375
1376 /*
1377 * Segmented destination buffer is not supported for
1378 * encryption/decryption
1379 */
1380 if (!rte_pktmbuf_is_contiguous(mbuf_dst)) {
1381 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1382 return;
1383 }
1384
1385 srclen = op->sym->cipher.data.length;
1386 dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
1387 op->sym->cipher.data.offset);
1388
1389 iv = rte_crypto_op_ctod_offset(op, uint8_t *,
1390 sess->iv.offset);
1391
1392 if (sess->cipher.mode == OPENSSL_CIPHER_LIB)
1393 if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1394 status = process_openssl_cipher_encrypt(mbuf_src, dst,
1395 op->sym->cipher.data.offset, iv,
1396 srclen, sess->cipher.ctx);
1397 else
1398 status = process_openssl_cipher_decrypt(mbuf_src, dst,
1399 op->sym->cipher.data.offset, iv,
1400 srclen, sess->cipher.ctx);
1401 else
1402 status = process_openssl_cipher_des3ctr(mbuf_src, dst,
1403 op->sym->cipher.data.offset, iv,
1404 sess->cipher.key.data, srclen,
1405 sess->cipher.ctx);
1406
1407 if (status != 0)
1408 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1409 }
1410
1411 /** Process cipher operation */
1412 static void
1413 process_openssl_docsis_bpi_op(struct rte_crypto_op *op,
1414 struct openssl_session *sess, struct rte_mbuf *mbuf_src,
1415 struct rte_mbuf *mbuf_dst)
1416 {
1417 uint8_t *src, *dst, *iv;
1418 uint8_t block_size, last_block_len;
1419 int srclen, status = 0;
1420
1421 srclen = op->sym->cipher.data.length;
1422 src = rte_pktmbuf_mtod_offset(mbuf_src, uint8_t *,
1423 op->sym->cipher.data.offset);
1424 dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
1425 op->sym->cipher.data.offset);
1426
1427 iv = rte_crypto_op_ctod_offset(op, uint8_t *,
1428 sess->iv.offset);
1429
1430 block_size = DES_BLOCK_SIZE;
1431
1432 last_block_len = srclen % block_size;
1433 if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
1434 /* Encrypt only with ECB mode XOR IV */
1435 if (srclen < block_size) {
1436 status = process_openssl_cipher_bpi_encrypt(src, dst,
1437 iv, srclen,
1438 sess->cipher.bpi_ctx);
1439 } else {
1440 srclen -= last_block_len;
1441 /* Encrypt with the block aligned stream with CBC mode */
1442 status = process_openssl_cipher_encrypt(mbuf_src, dst,
1443 op->sym->cipher.data.offset, iv,
1444 srclen, sess->cipher.ctx);
1445 if (last_block_len) {
1446 /* Point at last block */
1447 dst += srclen;
1448 /*
1449 * IV is the last encrypted block from
1450 * the previous operation
1451 */
1452 iv = dst - block_size;
1453 src += srclen;
1454 srclen = last_block_len;
1455 /* Encrypt the last frame with ECB mode */
1456 status |= process_openssl_cipher_bpi_encrypt(src,
1457 dst, iv,
1458 srclen, sess->cipher.bpi_ctx);
1459 }
1460 }
1461 } else {
1462 /* Decrypt only with ECB mode (encrypt, as it is same operation) */
1463 if (srclen < block_size) {
1464 status = process_openssl_cipher_bpi_encrypt(src, dst,
1465 iv,
1466 srclen,
1467 sess->cipher.bpi_ctx);
1468 } else {
1469 if (last_block_len) {
1470 /* Point at last block */
1471 dst += srclen - last_block_len;
1472 src += srclen - last_block_len;
1473 /*
1474 * IV is the last full block
1475 */
1476 iv = src - block_size;
1477 /*
1478 * Decrypt the last frame with ECB mode
1479 * (encrypt, as it is the same operation)
1480 */
1481 status = process_openssl_cipher_bpi_encrypt(src,
1482 dst, iv,
1483 last_block_len, sess->cipher.bpi_ctx);
1484 /* Prepare parameters for CBC mode op */
1485 iv = rte_crypto_op_ctod_offset(op, uint8_t *,
1486 sess->iv.offset);
1487 dst += last_block_len - srclen;
1488 srclen -= last_block_len;
1489 }
1490
1491 /* Decrypt with CBC mode */
1492 status |= process_openssl_cipher_decrypt(mbuf_src, dst,
1493 op->sym->cipher.data.offset, iv,
1494 srclen, sess->cipher.ctx);
1495 }
1496 }
1497
1498 if (status != 0)
1499 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1500 }
1501
1502 /** Process auth operation */
1503 static void
1504 process_openssl_auth_op(struct openssl_qp *qp, struct rte_crypto_op *op,
1505 struct openssl_session *sess, struct rte_mbuf *mbuf_src,
1506 struct rte_mbuf *mbuf_dst)
1507 {
1508 uint8_t *dst;
1509 int srclen, status;
1510
1511 srclen = op->sym->auth.data.length;
1512
1513 dst = qp->temp_digest;
1514
1515 switch (sess->auth.mode) {
1516 case OPENSSL_AUTH_AS_AUTH:
1517 status = process_openssl_auth(mbuf_src, dst,
1518 op->sym->auth.data.offset, NULL, NULL, srclen,
1519 sess->auth.auth.ctx, sess->auth.auth.evp_algo);
1520 break;
1521 case OPENSSL_AUTH_AS_HMAC:
1522 status = process_openssl_auth_hmac(mbuf_src, dst,
1523 op->sym->auth.data.offset, srclen,
1524 sess->auth.hmac.ctx);
1525 break;
1526 default:
1527 status = -1;
1528 break;
1529 }
1530
1531 if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) {
1532 if (memcmp(dst, op->sym->auth.digest.data,
1533 sess->auth.digest_length) != 0) {
1534 op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
1535 }
1536 } else {
1537 uint8_t *auth_dst;
1538
1539 auth_dst = op->sym->auth.digest.data;
1540 if (auth_dst == NULL)
1541 auth_dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
1542 op->sym->auth.data.offset +
1543 op->sym->auth.data.length);
1544 memcpy(auth_dst, dst, sess->auth.digest_length);
1545 }
1546
1547 if (status != 0)
1548 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1549 }
1550
1551 /* process dsa sign operation */
1552 static int
1553 process_openssl_dsa_sign_op(struct rte_crypto_op *cop,
1554 struct openssl_asym_session *sess)
1555 {
1556 struct rte_crypto_dsa_op_param *op = &cop->asym->dsa;
1557 DSA *dsa = sess->u.s.dsa;
1558 DSA_SIG *sign = NULL;
1559
1560 sign = DSA_do_sign(op->message.data,
1561 op->message.length,
1562 dsa);
1563
1564 if (sign == NULL) {
1565 OPENSSL_LOG(ERR, "%s:%d\n", __func__, __LINE__);
1566 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
1567 } else {
1568 const BIGNUM *r = NULL, *s = NULL;
1569 get_dsa_sign(sign, &r, &s);
1570
1571 op->r.length = BN_bn2bin(r, op->r.data);
1572 op->s.length = BN_bn2bin(s, op->s.data);
1573 cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
1574 }
1575
1576 DSA_SIG_free(sign);
1577
1578 return 0;
1579 }
1580
1581 /* process dsa verify operation */
1582 static int
1583 process_openssl_dsa_verify_op(struct rte_crypto_op *cop,
1584 struct openssl_asym_session *sess)
1585 {
1586 struct rte_crypto_dsa_op_param *op = &cop->asym->dsa;
1587 DSA *dsa = sess->u.s.dsa;
1588 int ret;
1589 DSA_SIG *sign = DSA_SIG_new();
1590 BIGNUM *r = NULL, *s = NULL;
1591 BIGNUM *pub_key = NULL;
1592
1593 if (sign == NULL) {
1594 OPENSSL_LOG(ERR, " %s:%d\n", __func__, __LINE__);
1595 cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
1596 return -1;
1597 }
1598
1599 r = BN_bin2bn(op->r.data,
1600 op->r.length,
1601 r);
1602 s = BN_bin2bn(op->s.data,
1603 op->s.length,
1604 s);
1605 pub_key = BN_bin2bn(op->y.data,
1606 op->y.length,
1607 pub_key);
1608 if (!r || !s || !pub_key) {
1609 BN_free(r);
1610 BN_free(s);
1611 BN_free(pub_key);
1612
1613 cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
1614 return -1;
1615 }
1616 set_dsa_sign(sign, r, s);
1617 set_dsa_pub_key(dsa, pub_key);
1618
1619 ret = DSA_do_verify(op->message.data,
1620 op->message.length,
1621 sign,
1622 dsa);
1623
1624 if (ret != 1)
1625 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
1626 else
1627 cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
1628
1629 DSA_SIG_free(sign);
1630
1631 return 0;
1632 }
1633
1634 /* process dh operation */
1635 static int
1636 process_openssl_dh_op(struct rte_crypto_op *cop,
1637 struct openssl_asym_session *sess)
1638 {
1639 struct rte_crypto_dh_op_param *op = &cop->asym->dh;
1640 DH *dh_key = sess->u.dh.dh_key;
1641 BIGNUM *priv_key = NULL;
1642 int ret = 0;
1643
1644 if (sess->u.dh.key_op &
1645 (1 << RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE)) {
1646 /* compute shared secret using peer public key
1647 * and current private key
1648 * shared secret = peer_key ^ priv_key mod p
1649 */
1650 BIGNUM *peer_key = NULL;
1651
1652 /* copy private key and peer key and compute shared secret */
1653 peer_key = BN_bin2bn(op->pub_key.data,
1654 op->pub_key.length,
1655 peer_key);
1656 if (peer_key == NULL) {
1657 cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
1658 return -1;
1659 }
1660 priv_key = BN_bin2bn(op->priv_key.data,
1661 op->priv_key.length,
1662 priv_key);
1663 if (priv_key == NULL) {
1664 BN_free(peer_key);
1665 cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
1666 return -1;
1667 }
1668 ret = set_dh_priv_key(dh_key, priv_key);
1669 if (ret) {
1670 OPENSSL_LOG(ERR, "Failed to set private key\n");
1671 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
1672 BN_free(peer_key);
1673 BN_free(priv_key);
1674 return 0;
1675 }
1676
1677 ret = DH_compute_key(
1678 op->shared_secret.data,
1679 peer_key, dh_key);
1680 if (ret < 0) {
1681 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
1682 BN_free(peer_key);
1683 /* priv key is already loaded into dh,
1684 * let's not free that directly here.
1685 * DH_free() will auto free it later.
1686 */
1687 return 0;
1688 }
1689 cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
1690 op->shared_secret.length = ret;
1691 BN_free(peer_key);
1692 return 0;
1693 }
1694
1695 /*
1696 * other options are public and private key generations.
1697 *
1698 * if user provides private key,
1699 * then first set DH with user provided private key
1700 */
1701 if ((sess->u.dh.key_op &
1702 (1 << RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE)) &&
1703 !(sess->u.dh.key_op &
1704 (1 << RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE))) {
1705 /* generate public key using user-provided private key
1706 * pub_key = g ^ priv_key mod p
1707 */
1708
1709 /* load private key into DH */
1710 priv_key = BN_bin2bn(op->priv_key.data,
1711 op->priv_key.length,
1712 priv_key);
1713 if (priv_key == NULL) {
1714 cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
1715 return -1;
1716 }
1717 ret = set_dh_priv_key(dh_key, priv_key);
1718 if (ret) {
1719 OPENSSL_LOG(ERR, "Failed to set private key\n");
1720 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
1721 BN_free(priv_key);
1722 return 0;
1723 }
1724 }
1725
1726 /* generate public and private key pair.
1727 *
1728 * if private key already set, generates only public key.
1729 *
1730 * if private key is not already set, then set it to random value
1731 * and update internal private key.
1732 */
1733 if (!DH_generate_key(dh_key)) {
1734 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
1735 return 0;
1736 }
1737
1738 if (sess->u.dh.key_op & (1 << RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE)) {
1739 const BIGNUM *pub_key = NULL;
1740
1741 OPENSSL_LOG(DEBUG, "%s:%d update public key\n",
1742 __func__, __LINE__);
1743
1744 /* get the generated keys */
1745 get_dh_pub_key(dh_key, &pub_key);
1746
1747 /* output public key */
1748 op->pub_key.length = BN_bn2bin(pub_key,
1749 op->pub_key.data);
1750 }
1751
1752 if (sess->u.dh.key_op &
1753 (1 << RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE)) {
1754 const BIGNUM *priv_key = NULL;
1755
1756 OPENSSL_LOG(DEBUG, "%s:%d updated priv key\n",
1757 __func__, __LINE__);
1758
1759 /* get the generated keys */
1760 get_dh_priv_key(dh_key, &priv_key);
1761
1762 /* provide generated private key back to user */
1763 op->priv_key.length = BN_bn2bin(priv_key,
1764 op->priv_key.data);
1765 }
1766
1767 cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
1768
1769 return 0;
1770 }
1771
1772 /* process modinv operation */
1773 static int
1774 process_openssl_modinv_op(struct rte_crypto_op *cop,
1775 struct openssl_asym_session *sess)
1776 {
1777 struct rte_crypto_asym_op *op = cop->asym;
1778 BIGNUM *base = BN_CTX_get(sess->u.m.ctx);
1779 BIGNUM *res = BN_CTX_get(sess->u.m.ctx);
1780
1781 if (unlikely(base == NULL || res == NULL)) {
1782 BN_free(base);
1783 BN_free(res);
1784 cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
1785 return -1;
1786 }
1787
1788 base = BN_bin2bn((const unsigned char *)op->modinv.base.data,
1789 op->modinv.base.length, base);
1790
1791 if (BN_mod_inverse(res, base, sess->u.m.modulus, sess->u.m.ctx)) {
1792 cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
1793 op->modinv.result.length = BN_bn2bin(res, op->modinv.result.data);
1794 } else {
1795 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
1796 }
1797
1798 BN_clear(res);
1799 BN_clear(base);
1800
1801 return 0;
1802 }
1803
1804 /* process modexp operation */
1805 static int
1806 process_openssl_modexp_op(struct rte_crypto_op *cop,
1807 struct openssl_asym_session *sess)
1808 {
1809 struct rte_crypto_asym_op *op = cop->asym;
1810 BIGNUM *base = BN_CTX_get(sess->u.e.ctx);
1811 BIGNUM *res = BN_CTX_get(sess->u.e.ctx);
1812
1813 if (unlikely(base == NULL || res == NULL)) {
1814 BN_free(base);
1815 BN_free(res);
1816 cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
1817 return -1;
1818 }
1819
1820 base = BN_bin2bn((const unsigned char *)op->modex.base.data,
1821 op->modex.base.length, base);
1822
1823 if (BN_mod_exp(res, base, sess->u.e.exp,
1824 sess->u.e.mod, sess->u.e.ctx)) {
1825 op->modex.result.length = BN_bn2bin(res, op->modex.result.data);
1826 cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
1827 } else {
1828 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
1829 }
1830
1831 BN_clear(res);
1832 BN_clear(base);
1833
1834 return 0;
1835 }
1836
1837 /* process rsa operations */
1838 static int
1839 process_openssl_rsa_op(struct rte_crypto_op *cop,
1840 struct openssl_asym_session *sess)
1841 {
1842 int ret = 0;
1843 struct rte_crypto_asym_op *op = cop->asym;
1844 RSA *rsa = sess->u.r.rsa;
1845 uint32_t pad = (op->rsa.pad);
1846 uint8_t *tmp;
1847
1848 cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
1849
1850 switch (pad) {
1851 case RTE_CRYPTO_RSA_PKCS1_V1_5_BT0:
1852 case RTE_CRYPTO_RSA_PKCS1_V1_5_BT1:
1853 case RTE_CRYPTO_RSA_PKCS1_V1_5_BT2:
1854 pad = RSA_PKCS1_PADDING;
1855 break;
1856 case RTE_CRYPTO_RSA_PADDING_NONE:
1857 pad = RSA_NO_PADDING;
1858 break;
1859 default:
1860 cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
1861 OPENSSL_LOG(ERR,
1862 "rsa pad type not supported %d\n", pad);
1863 return 0;
1864 }
1865
1866 switch (op->rsa.op_type) {
1867 case RTE_CRYPTO_ASYM_OP_ENCRYPT:
1868 ret = RSA_public_encrypt(op->rsa.message.length,
1869 op->rsa.message.data,
1870 op->rsa.message.data,
1871 rsa,
1872 pad);
1873
1874 if (ret > 0)
1875 op->rsa.message.length = ret;
1876 OPENSSL_LOG(DEBUG,
1877 "length of encrypted text %d\n", ret);
1878 break;
1879
1880 case RTE_CRYPTO_ASYM_OP_DECRYPT:
1881 ret = RSA_private_decrypt(op->rsa.message.length,
1882 op->rsa.message.data,
1883 op->rsa.message.data,
1884 rsa,
1885 pad);
1886 if (ret > 0)
1887 op->rsa.message.length = ret;
1888 break;
1889
1890 case RTE_CRYPTO_ASYM_OP_SIGN:
1891 ret = RSA_private_encrypt(op->rsa.message.length,
1892 op->rsa.message.data,
1893 op->rsa.sign.data,
1894 rsa,
1895 pad);
1896 if (ret > 0)
1897 op->rsa.sign.length = ret;
1898 break;
1899
1900 case RTE_CRYPTO_ASYM_OP_VERIFY:
1901 tmp = rte_malloc(NULL, op->rsa.sign.length, 0);
1902 if (tmp == NULL) {
1903 OPENSSL_LOG(ERR, "Memory allocation failed");
1904 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
1905 break;
1906 }
1907 ret = RSA_public_decrypt(op->rsa.sign.length,
1908 op->rsa.sign.data,
1909 tmp,
1910 rsa,
1911 pad);
1912
1913 OPENSSL_LOG(DEBUG,
1914 "Length of public_decrypt %d "
1915 "length of message %zd\n",
1916 ret, op->rsa.message.length);
1917 if ((ret <= 0) || (memcmp(tmp, op->rsa.message.data,
1918 op->rsa.message.length))) {
1919 OPENSSL_LOG(ERR, "RSA sign Verification failed");
1920 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
1921 }
1922 rte_free(tmp);
1923 break;
1924
1925 default:
1926 /* allow ops with invalid args to be pushed to
1927 * completion queue
1928 */
1929 cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
1930 break;
1931 }
1932
1933 if (ret < 0)
1934 cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
1935
1936 return 0;
1937 }
1938
1939 static int
1940 process_asym_op(struct openssl_qp *qp, struct rte_crypto_op *op,
1941 struct openssl_asym_session *sess)
1942 {
1943 int retval = 0;
1944
1945 op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
1946
1947 switch (sess->xfrm_type) {
1948 case RTE_CRYPTO_ASYM_XFORM_RSA:
1949 retval = process_openssl_rsa_op(op, sess);
1950 break;
1951 case RTE_CRYPTO_ASYM_XFORM_MODEX:
1952 retval = process_openssl_modexp_op(op, sess);
1953 break;
1954 case RTE_CRYPTO_ASYM_XFORM_MODINV:
1955 retval = process_openssl_modinv_op(op, sess);
1956 break;
1957 case RTE_CRYPTO_ASYM_XFORM_DH:
1958 retval = process_openssl_dh_op(op, sess);
1959 break;
1960 case RTE_CRYPTO_ASYM_XFORM_DSA:
1961 if (op->asym->dsa.op_type == RTE_CRYPTO_ASYM_OP_SIGN)
1962 retval = process_openssl_dsa_sign_op(op, sess);
1963 else if (op->asym->dsa.op_type ==
1964 RTE_CRYPTO_ASYM_OP_VERIFY)
1965 retval =
1966 process_openssl_dsa_verify_op(op, sess);
1967 else
1968 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
1969 break;
1970 default:
1971 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
1972 break;
1973 }
1974 if (!retval) {
1975 /* op processed so push to completion queue as processed */
1976 retval = rte_ring_enqueue(qp->processed_ops, (void *)op);
1977 if (retval)
1978 /* return error if failed to put in completion queue */
1979 retval = -1;
1980 }
1981
1982 return retval;
1983 }
1984
1985 /** Process crypto operation for mbuf */
1986 static int
1987 process_op(struct openssl_qp *qp, struct rte_crypto_op *op,
1988 struct openssl_session *sess)
1989 {
1990 struct rte_mbuf *msrc, *mdst;
1991 int retval;
1992
1993 msrc = op->sym->m_src;
1994 mdst = op->sym->m_dst ? op->sym->m_dst : op->sym->m_src;
1995
1996 op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
1997
1998 switch (sess->chain_order) {
1999 case OPENSSL_CHAIN_ONLY_CIPHER:
2000 process_openssl_cipher_op(op, sess, msrc, mdst);
2001 break;
2002 case OPENSSL_CHAIN_ONLY_AUTH:
2003 process_openssl_auth_op(qp, op, sess, msrc, mdst);
2004 break;
2005 case OPENSSL_CHAIN_CIPHER_AUTH:
2006 process_openssl_cipher_op(op, sess, msrc, mdst);
2007 process_openssl_auth_op(qp, op, sess, mdst, mdst);
2008 break;
2009 case OPENSSL_CHAIN_AUTH_CIPHER:
2010 process_openssl_auth_op(qp, op, sess, msrc, mdst);
2011 process_openssl_cipher_op(op, sess, msrc, mdst);
2012 break;
2013 case OPENSSL_CHAIN_COMBINED:
2014 process_openssl_combined_op(op, sess, msrc, mdst);
2015 break;
2016 case OPENSSL_CHAIN_CIPHER_BPI:
2017 process_openssl_docsis_bpi_op(op, sess, msrc, mdst);
2018 break;
2019 default:
2020 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
2021 break;
2022 }
2023
2024 /* Free session if a session-less crypto op */
2025 if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
2026 openssl_reset_session(sess);
2027 memset(sess, 0, sizeof(struct openssl_session));
2028 memset(op->sym->session, 0,
2029 rte_cryptodev_sym_get_existing_header_session_size(
2030 op->sym->session));
2031 rte_mempool_put(qp->sess_mp_priv, sess);
2032 rte_mempool_put(qp->sess_mp, op->sym->session);
2033 op->sym->session = NULL;
2034 }
2035
2036 if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
2037 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
2038
2039 if (op->status != RTE_CRYPTO_OP_STATUS_ERROR)
2040 retval = rte_ring_enqueue(qp->processed_ops, (void *)op);
2041 else
2042 retval = -1;
2043
2044 return retval;
2045 }
2046
2047 /*
2048 *------------------------------------------------------------------------------
2049 * PMD Framework
2050 *------------------------------------------------------------------------------
2051 */
2052
2053 /** Enqueue burst */
2054 static uint16_t
2055 openssl_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
2056 uint16_t nb_ops)
2057 {
2058 void *sess;
2059 struct openssl_qp *qp = queue_pair;
2060 int i, retval;
2061
2062 for (i = 0; i < nb_ops; i++) {
2063 sess = get_session(qp, ops[i]);
2064 if (unlikely(sess == NULL))
2065 goto enqueue_err;
2066
2067 if (ops[i]->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC)
2068 retval = process_op(qp, ops[i],
2069 (struct openssl_session *) sess);
2070 else
2071 retval = process_asym_op(qp, ops[i],
2072 (struct openssl_asym_session *) sess);
2073 if (unlikely(retval < 0))
2074 goto enqueue_err;
2075 }
2076
2077 qp->stats.enqueued_count += i;
2078 return i;
2079
2080 enqueue_err:
2081 qp->stats.enqueue_err_count++;
2082 return i;
2083 }
2084
2085 /** Dequeue burst */
2086 static uint16_t
2087 openssl_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
2088 uint16_t nb_ops)
2089 {
2090 struct openssl_qp *qp = queue_pair;
2091
2092 unsigned int nb_dequeued = 0;
2093
2094 nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
2095 (void **)ops, nb_ops, NULL);
2096 qp->stats.dequeued_count += nb_dequeued;
2097
2098 return nb_dequeued;
2099 }
2100
2101 /** Create OPENSSL crypto device */
2102 static int
2103 cryptodev_openssl_create(const char *name,
2104 struct rte_vdev_device *vdev,
2105 struct rte_cryptodev_pmd_init_params *init_params)
2106 {
2107 struct rte_cryptodev *dev;
2108 struct openssl_private *internals;
2109
2110 dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
2111 if (dev == NULL) {
2112 OPENSSL_LOG(ERR, "failed to create cryptodev vdev");
2113 goto init_error;
2114 }
2115
2116 dev->driver_id = cryptodev_driver_id;
2117 dev->dev_ops = rte_openssl_pmd_ops;
2118
2119 /* register rx/tx burst functions for data path */
2120 dev->dequeue_burst = openssl_pmd_dequeue_burst;
2121 dev->enqueue_burst = openssl_pmd_enqueue_burst;
2122
2123 dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
2124 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
2125 RTE_CRYPTODEV_FF_CPU_AESNI |
2126 RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
2127 RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT |
2128 RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO |
2129 RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_EXP |
2130 RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT;
2131
2132 /* Set vector instructions mode supported */
2133 internals = dev->data->dev_private;
2134
2135 internals->max_nb_qpairs = init_params->max_nb_queue_pairs;
2136
2137 return 0;
2138
2139 init_error:
2140 OPENSSL_LOG(ERR, "driver %s: create failed",
2141 init_params->name);
2142
2143 cryptodev_openssl_remove(vdev);
2144 return -EFAULT;
2145 }
2146
2147 /** Initialise OPENSSL crypto device */
2148 static int
2149 cryptodev_openssl_probe(struct rte_vdev_device *vdev)
2150 {
2151 struct rte_cryptodev_pmd_init_params init_params = {
2152 "",
2153 sizeof(struct openssl_private),
2154 rte_socket_id(),
2155 RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
2156 };
2157 const char *name;
2158 const char *input_args;
2159
2160 name = rte_vdev_device_name(vdev);
2161 if (name == NULL)
2162 return -EINVAL;
2163 input_args = rte_vdev_device_args(vdev);
2164
2165 rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
2166
2167 return cryptodev_openssl_create(name, vdev, &init_params);
2168 }
2169
2170 /** Uninitialise OPENSSL crypto device */
2171 static int
2172 cryptodev_openssl_remove(struct rte_vdev_device *vdev)
2173 {
2174 struct rte_cryptodev *cryptodev;
2175 const char *name;
2176
2177 name = rte_vdev_device_name(vdev);
2178 if (name == NULL)
2179 return -EINVAL;
2180
2181 cryptodev = rte_cryptodev_pmd_get_named_dev(name);
2182 if (cryptodev == NULL)
2183 return -ENODEV;
2184
2185 return rte_cryptodev_pmd_destroy(cryptodev);
2186 }
2187
2188 static struct rte_vdev_driver cryptodev_openssl_pmd_drv = {
2189 .probe = cryptodev_openssl_probe,
2190 .remove = cryptodev_openssl_remove
2191 };
2192
2193 static struct cryptodev_driver openssl_crypto_drv;
2194
2195 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_OPENSSL_PMD,
2196 cryptodev_openssl_pmd_drv);
2197 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_OPENSSL_PMD,
2198 "max_nb_queue_pairs=<int> "
2199 "socket_id=<int>");
2200 RTE_PMD_REGISTER_CRYPTO_DRIVER(openssl_crypto_drv,
2201 cryptodev_openssl_pmd_drv.driver, cryptodev_driver_id);
2202
2203 RTE_INIT(openssl_init_log)
2204 {
2205 openssl_logtype_driver = rte_log_register("pmd.crypto.openssl");
2206 }
Ceph