1 /* ====================================================================
2 * Copyright (c) 2001-2011 The OpenSSL Project. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
16 * 3. All advertising materials mentioning features or use of this
17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 * endorse or promote products derived from this software without
23 * prior written permission. For written permission, please contact
24 * openssl-core@openssl.org.
26 * 5. Products derived from this software may not be called "OpenSSL"
27 * nor may "OpenSSL" appear in their names without prior written
28 * permission of the OpenSSL Project.
30 * 6. Redistributions of any form whatsoever must retain the following
32 * "This product includes software developed by the OpenSSL Project
33 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 * OF THE POSSIBILITY OF SUCH DAMAGE.
47 * ====================================================================
51 #include <openssl/opensslconf.h>
52 #ifndef OPENSSL_NO_AES
53 # include <openssl/evp.h>
54 # include <openssl/err.h>
57 # include <openssl/aes.h>
58 # include "evp_locl.h"
59 # include "modes_lcl.h"
60 # include <openssl/rand.h>
62 # undef EVP_CIPH_FLAG_FIPS
63 # define EVP_CIPH_FLAG_FIPS 0
81 } ks; /* AES key schedule to use */
82 int key_set; /* Set if key initialised */
83 int iv_set; /* Set if an iv is set */
85 unsigned char *iv; /* Temporary IV store */
86 int ivlen; /* IV length */
88 int iv_gen; /* It is OK to generate IVs */
89 int tls_aad_len; /* TLS AAD length */
97 } ks1, ks2; /* AES key schedules to use */
99 void (*stream) (const unsigned char *in,
100 unsigned char *out, size_t length,
101 const AES_KEY *key1, const AES_KEY *key2,
102 const unsigned char iv[16]);
109 } ks; /* AES key schedule to use */
110 int key_set; /* Set if key initialised */
111 int iv_set; /* Set if an iv is set */
112 int tag_set; /* Set if tag is valid */
113 int len_set; /* Set if message length set */
114 int L, M; /* L and M parameters from RFC3610 */
119 # define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4))
122 int vpaes_set_encrypt_key(const unsigned char *userKey, int bits,
124 int vpaes_set_decrypt_key(const unsigned char *userKey, int bits,
127 void vpaes_encrypt(const unsigned char *in, unsigned char *out,
129 void vpaes_decrypt(const unsigned char *in, unsigned char *out,
132 void vpaes_cbc_encrypt(const unsigned char *in,
135 const AES_KEY *key, unsigned char *ivec, int enc);
138 void bsaes_cbc_encrypt(const unsigned char *in, unsigned char *out,
139 size_t length, const AES_KEY *key,
140 unsigned char ivec[16], int enc);
141 void bsaes_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
142 size_t len, const AES_KEY *key,
143 const unsigned char ivec[16]);
144 void bsaes_xts_encrypt(const unsigned char *inp, unsigned char *out,
145 size_t len, const AES_KEY *key1,
146 const AES_KEY *key2, const unsigned char iv[16]);
147 void bsaes_xts_decrypt(const unsigned char *inp, unsigned char *out,
148 size_t len, const AES_KEY *key1,
149 const AES_KEY *key2, const unsigned char iv[16]);
152 void AES_ctr32_encrypt(const unsigned char *in, unsigned char *out,
153 size_t blocks, const AES_KEY *key,
154 const unsigned char ivec[AES_BLOCK_SIZE]);
157 void AES_xts_encrypt(const char *inp, char *out, size_t len,
158 const AES_KEY *key1, const AES_KEY *key2,
159 const unsigned char iv[16]);
160 void AES_xts_decrypt(const char *inp, char *out, size_t len,
161 const AES_KEY *key1, const AES_KEY *key2,
162 const unsigned char iv[16]);
165 # if defined(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC))
166 # include "ppc_arch.h"
168 # define VPAES_CAPABLE (OPENSSL_ppccap_P & PPC_ALTIVEC)
170 # define HWAES_CAPABLE (OPENSSL_ppccap_P & PPC_CRYPTO207)
171 # define HWAES_set_encrypt_key aes_p8_set_encrypt_key
172 # define HWAES_set_decrypt_key aes_p8_set_decrypt_key
173 # define HWAES_encrypt aes_p8_encrypt
174 # define HWAES_decrypt aes_p8_decrypt
175 # define HWAES_cbc_encrypt aes_p8_cbc_encrypt
176 # define HWAES_ctr32_encrypt_blocks aes_p8_ctr32_encrypt_blocks
179 # if defined(AES_ASM) && !defined(I386_ONLY) && ( \
180 ((defined(__i386) || defined(__i386__) || \
181 defined(_M_IX86)) && defined(OPENSSL_IA32_SSE2))|| \
182 defined(__x86_64) || defined(__x86_64__) || \
183 defined(_M_AMD64) || defined(_M_X64) || \
186 extern unsigned int OPENSSL_ia32cap_P[];
189 # define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
192 # define BSAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
197 # define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
199 int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
201 int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
204 void aesni_encrypt(const unsigned char *in, unsigned char *out,
206 void aesni_decrypt(const unsigned char *in, unsigned char *out,
209 void aesni_ecb_encrypt(const unsigned char *in,
211 size_t length, const AES_KEY *key, int enc);
212 void aesni_cbc_encrypt(const unsigned char *in,
215 const AES_KEY *key, unsigned char *ivec, int enc);
217 void aesni_ctr32_encrypt_blocks(const unsigned char *in,
220 const void *key, const unsigned char *ivec);
222 void aesni_xts_encrypt(const unsigned char *in,
225 const AES_KEY *key1, const AES_KEY *key2,
226 const unsigned char iv[16]);
228 void aesni_xts_decrypt(const unsigned char *in,
231 const AES_KEY *key1, const AES_KEY *key2,
232 const unsigned char iv[16]);
234 void aesni_ccm64_encrypt_blocks(const unsigned char *in,
238 const unsigned char ivec[16],
239 unsigned char cmac[16]);
241 void aesni_ccm64_decrypt_blocks(const unsigned char *in,
245 const unsigned char ivec[16],
246 unsigned char cmac[16]);
248 # if defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
249 size_t aesni_gcm_encrypt(const unsigned char *in,
252 const void *key, unsigned char ivec[16], u64 *Xi);
253 # define AES_gcm_encrypt aesni_gcm_encrypt
254 size_t aesni_gcm_decrypt(const unsigned char *in,
257 const void *key, unsigned char ivec[16], u64 *Xi);
258 # define AES_gcm_decrypt aesni_gcm_decrypt
259 void gcm_ghash_avx(u64 Xi[2], const u128 Htable[16], const u8 *in,
261 # define AES_GCM_ASM(gctx) (gctx->ctr==aesni_ctr32_encrypt_blocks && \
262 gctx->gcm.ghash==gcm_ghash_avx)
263 # define AES_GCM_ASM2(gctx) (gctx->gcm.block==(block128_f)aesni_encrypt && \
264 gctx->gcm.ghash==gcm_ghash_avx)
265 # undef AES_GCM_ASM2 /* minor size optimization */
268 static int aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
269 const unsigned char *iv, int enc)
272 EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
274 mode = ctx->cipher->flags & EVP_CIPH_MODE;
275 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
277 ret = aesni_set_decrypt_key(key, ctx->key_len * 8, ctx->cipher_data);
278 dat->block = (block128_f) aesni_decrypt;
279 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
280 (cbc128_f) aesni_cbc_encrypt : NULL;
282 ret = aesni_set_encrypt_key(key, ctx->key_len * 8, ctx->cipher_data);
283 dat->block = (block128_f) aesni_encrypt;
284 if (mode == EVP_CIPH_CBC_MODE)
285 dat->stream.cbc = (cbc128_f) aesni_cbc_encrypt;
286 else if (mode == EVP_CIPH_CTR_MODE)
287 dat->stream.ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
289 dat->stream.cbc = NULL;
293 EVPerr(EVP_F_AESNI_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
300 static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
301 const unsigned char *in, size_t len)
303 aesni_cbc_encrypt(in, out, len, ctx->cipher_data, ctx->iv, ctx->encrypt);
308 static int aesni_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
309 const unsigned char *in, size_t len)
311 size_t bl = ctx->cipher->block_size;
316 aesni_ecb_encrypt(in, out, len, ctx->cipher_data, ctx->encrypt);
321 # define aesni_ofb_cipher aes_ofb_cipher
322 static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
323 const unsigned char *in, size_t len);
325 # define aesni_cfb_cipher aes_cfb_cipher
326 static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
327 const unsigned char *in, size_t len);
329 # define aesni_cfb8_cipher aes_cfb8_cipher
330 static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
331 const unsigned char *in, size_t len);
333 # define aesni_cfb1_cipher aes_cfb1_cipher
334 static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
335 const unsigned char *in, size_t len);
337 # define aesni_ctr_cipher aes_ctr_cipher
338 static int aesni_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
339 const unsigned char *in, size_t len);
341 static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
342 const unsigned char *iv, int enc)
344 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
348 aesni_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
349 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f) aesni_encrypt);
350 gctx->ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
352 * If we have an iv can set it directly, otherwise use saved IV.
354 if (iv == NULL && gctx->iv_set)
357 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
362 /* If key set use IV, otherwise copy */
364 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
366 memcpy(gctx->iv, iv, gctx->ivlen);
373 # define aesni_gcm_cipher aes_gcm_cipher
374 static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
375 const unsigned char *in, size_t len);
377 static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
378 const unsigned char *iv, int enc)
380 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
385 /* key_len is two AES keys */
387 aesni_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
388 xctx->xts.block1 = (block128_f) aesni_encrypt;
389 xctx->stream = aesni_xts_encrypt;
391 aesni_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
392 xctx->xts.block1 = (block128_f) aesni_decrypt;
393 xctx->stream = aesni_xts_decrypt;
396 aesni_set_encrypt_key(key + ctx->key_len / 2,
397 ctx->key_len * 4, &xctx->ks2.ks);
398 xctx->xts.block2 = (block128_f) aesni_encrypt;
400 xctx->xts.key1 = &xctx->ks1;
404 xctx->xts.key2 = &xctx->ks2;
405 memcpy(ctx->iv, iv, 16);
411 # define aesni_xts_cipher aes_xts_cipher
412 static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
413 const unsigned char *in, size_t len);
415 static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
416 const unsigned char *iv, int enc)
418 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
422 aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks);
423 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
424 &cctx->ks, (block128_f) aesni_encrypt);
425 cctx->str = enc ? (ccm128_f) aesni_ccm64_encrypt_blocks :
426 (ccm128_f) aesni_ccm64_decrypt_blocks;
430 memcpy(ctx->iv, iv, 15 - cctx->L);
436 # define aesni_ccm_cipher aes_ccm_cipher
437 static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
438 const unsigned char *in, size_t len);
440 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
441 static const EVP_CIPHER aesni_##keylen##_##mode = { \
442 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
443 flags|EVP_CIPH_##MODE##_MODE, \
445 aesni_##mode##_cipher, \
447 sizeof(EVP_AES_KEY), \
448 NULL,NULL,NULL,NULL }; \
449 static const EVP_CIPHER aes_##keylen##_##mode = { \
450 nid##_##keylen##_##nmode,blocksize, \
452 flags|EVP_CIPH_##MODE##_MODE, \
454 aes_##mode##_cipher, \
456 sizeof(EVP_AES_KEY), \
457 NULL,NULL,NULL,NULL }; \
458 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
459 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
461 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
462 static const EVP_CIPHER aesni_##keylen##_##mode = { \
463 nid##_##keylen##_##mode,blocksize, \
464 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
465 flags|EVP_CIPH_##MODE##_MODE, \
466 aesni_##mode##_init_key, \
467 aesni_##mode##_cipher, \
468 aes_##mode##_cleanup, \
469 sizeof(EVP_AES_##MODE##_CTX), \
470 NULL,NULL,aes_##mode##_ctrl,NULL }; \
471 static const EVP_CIPHER aes_##keylen##_##mode = { \
472 nid##_##keylen##_##mode,blocksize, \
473 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
474 flags|EVP_CIPH_##MODE##_MODE, \
475 aes_##mode##_init_key, \
476 aes_##mode##_cipher, \
477 aes_##mode##_cleanup, \
478 sizeof(EVP_AES_##MODE##_CTX), \
479 NULL,NULL,aes_##mode##_ctrl,NULL }; \
480 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
481 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
483 # elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
485 # include "sparc_arch.h"
487 extern unsigned int OPENSSL_sparcv9cap_P[];
489 # define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES)
491 void aes_t4_set_encrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
492 void aes_t4_set_decrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
493 void aes_t4_encrypt(const unsigned char *in, unsigned char *out,
495 void aes_t4_decrypt(const unsigned char *in, unsigned char *out,
498 * Key-length specific subroutines were chosen for following reason.
499 * Each SPARC T4 core can execute up to 8 threads which share core's
500 * resources. Loading as much key material to registers allows to
501 * minimize references to shared memory interface, as well as amount
502 * of instructions in inner loops [much needed on T4]. But then having
503 * non-key-length specific routines would require conditional branches
504 * either in inner loops or on subroutines' entries. Former is hardly
505 * acceptable, while latter means code size increase to size occupied
506 * by multiple key-length specfic subroutines, so why fight?
508 void aes128_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
509 size_t len, const AES_KEY *key,
510 unsigned char *ivec);
511 void aes128_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
512 size_t len, const AES_KEY *key,
513 unsigned char *ivec);
514 void aes192_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
515 size_t len, const AES_KEY *key,
516 unsigned char *ivec);
517 void aes192_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
518 size_t len, const AES_KEY *key,
519 unsigned char *ivec);
520 void aes256_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
521 size_t len, const AES_KEY *key,
522 unsigned char *ivec);
523 void aes256_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
524 size_t len, const AES_KEY *key,
525 unsigned char *ivec);
526 void aes128_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
527 size_t blocks, const AES_KEY *key,
528 unsigned char *ivec);
529 void aes192_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
530 size_t blocks, const AES_KEY *key,
531 unsigned char *ivec);
532 void aes256_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
533 size_t blocks, const AES_KEY *key,
534 unsigned char *ivec);
535 void aes128_t4_xts_encrypt(const unsigned char *in, unsigned char *out,
536 size_t blocks, const AES_KEY *key1,
537 const AES_KEY *key2, const unsigned char *ivec);
538 void aes128_t4_xts_decrypt(const unsigned char *in, unsigned char *out,
539 size_t blocks, const AES_KEY *key1,
540 const AES_KEY *key2, const unsigned char *ivec);
541 void aes256_t4_xts_encrypt(const unsigned char *in, unsigned char *out,
542 size_t blocks, const AES_KEY *key1,
543 const AES_KEY *key2, const unsigned char *ivec);
544 void aes256_t4_xts_decrypt(const unsigned char *in, unsigned char *out,
545 size_t blocks, const AES_KEY *key1,
546 const AES_KEY *key2, const unsigned char *ivec);
548 static int aes_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
549 const unsigned char *iv, int enc)
552 EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
554 mode = ctx->cipher->flags & EVP_CIPH_MODE;
555 bits = ctx->key_len * 8;
556 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
559 aes_t4_set_decrypt_key(key, bits, ctx->cipher_data);
560 dat->block = (block128_f) aes_t4_decrypt;
563 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
564 (cbc128_f) aes128_t4_cbc_decrypt : NULL;
567 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
568 (cbc128_f) aes192_t4_cbc_decrypt : NULL;
571 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
572 (cbc128_f) aes256_t4_cbc_decrypt : NULL;
579 aes_t4_set_encrypt_key(key, bits, ctx->cipher_data);
580 dat->block = (block128_f) aes_t4_encrypt;
583 if (mode == EVP_CIPH_CBC_MODE)
584 dat->stream.cbc = (cbc128_f) aes128_t4_cbc_encrypt;
585 else if (mode == EVP_CIPH_CTR_MODE)
586 dat->stream.ctr = (ctr128_f) aes128_t4_ctr32_encrypt;
588 dat->stream.cbc = NULL;
591 if (mode == EVP_CIPH_CBC_MODE)
592 dat->stream.cbc = (cbc128_f) aes192_t4_cbc_encrypt;
593 else if (mode == EVP_CIPH_CTR_MODE)
594 dat->stream.ctr = (ctr128_f) aes192_t4_ctr32_encrypt;
596 dat->stream.cbc = NULL;
599 if (mode == EVP_CIPH_CBC_MODE)
600 dat->stream.cbc = (cbc128_f) aes256_t4_cbc_encrypt;
601 else if (mode == EVP_CIPH_CTR_MODE)
602 dat->stream.ctr = (ctr128_f) aes256_t4_ctr32_encrypt;
604 dat->stream.cbc = NULL;
612 EVPerr(EVP_F_AES_T4_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
619 # define aes_t4_cbc_cipher aes_cbc_cipher
620 static int aes_t4_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
621 const unsigned char *in, size_t len);
623 # define aes_t4_ecb_cipher aes_ecb_cipher
624 static int aes_t4_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
625 const unsigned char *in, size_t len);
627 # define aes_t4_ofb_cipher aes_ofb_cipher
628 static int aes_t4_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
629 const unsigned char *in, size_t len);
631 # define aes_t4_cfb_cipher aes_cfb_cipher
632 static int aes_t4_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
633 const unsigned char *in, size_t len);
635 # define aes_t4_cfb8_cipher aes_cfb8_cipher
636 static int aes_t4_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
637 const unsigned char *in, size_t len);
639 # define aes_t4_cfb1_cipher aes_cfb1_cipher
640 static int aes_t4_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
641 const unsigned char *in, size_t len);
643 # define aes_t4_ctr_cipher aes_ctr_cipher
644 static int aes_t4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
645 const unsigned char *in, size_t len);
647 static int aes_t4_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
648 const unsigned char *iv, int enc)
650 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
654 int bits = ctx->key_len * 8;
655 aes_t4_set_encrypt_key(key, bits, &gctx->ks.ks);
656 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
657 (block128_f) aes_t4_encrypt);
660 gctx->ctr = (ctr128_f) aes128_t4_ctr32_encrypt;
663 gctx->ctr = (ctr128_f) aes192_t4_ctr32_encrypt;
666 gctx->ctr = (ctr128_f) aes256_t4_ctr32_encrypt;
672 * If we have an iv can set it directly, otherwise use saved IV.
674 if (iv == NULL && gctx->iv_set)
677 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
682 /* If key set use IV, otherwise copy */
684 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
686 memcpy(gctx->iv, iv, gctx->ivlen);
693 # define aes_t4_gcm_cipher aes_gcm_cipher
694 static int aes_t4_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
695 const unsigned char *in, size_t len);
697 static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
698 const unsigned char *iv, int enc)
700 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
705 int bits = ctx->key_len * 4;
707 /* key_len is two AES keys */
709 aes_t4_set_encrypt_key(key, bits, &xctx->ks1.ks);
710 xctx->xts.block1 = (block128_f) aes_t4_encrypt;
713 xctx->stream = aes128_t4_xts_encrypt;
717 xctx->stream = aes192_t4_xts_encrypt;
721 xctx->stream = aes256_t4_xts_encrypt;
727 aes_t4_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
728 xctx->xts.block1 = (block128_f) aes_t4_decrypt;
731 xctx->stream = aes128_t4_xts_decrypt;
735 xctx->stream = aes192_t4_xts_decrypt;
739 xctx->stream = aes256_t4_xts_decrypt;
746 aes_t4_set_encrypt_key(key + ctx->key_len / 2,
747 ctx->key_len * 4, &xctx->ks2.ks);
748 xctx->xts.block2 = (block128_f) aes_t4_encrypt;
750 xctx->xts.key1 = &xctx->ks1;
754 xctx->xts.key2 = &xctx->ks2;
755 memcpy(ctx->iv, iv, 16);
761 # define aes_t4_xts_cipher aes_xts_cipher
762 static int aes_t4_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
763 const unsigned char *in, size_t len);
765 static int aes_t4_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
766 const unsigned char *iv, int enc)
768 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
772 int bits = ctx->key_len * 8;
773 aes_t4_set_encrypt_key(key, bits, &cctx->ks.ks);
774 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
775 &cctx->ks, (block128_f) aes_t4_encrypt);
779 cctx->str = enc ? (ccm128_f) aes128_t4_ccm64_encrypt :
780 (ccm128_f) ae128_t4_ccm64_decrypt;
783 cctx->str = enc ? (ccm128_f) aes192_t4_ccm64_encrypt :
784 (ccm128_f) ae192_t4_ccm64_decrypt;
787 cctx->str = enc ? (ccm128_f) aes256_t4_ccm64_encrypt :
788 (ccm128_f) ae256_t4_ccm64_decrypt;
799 memcpy(ctx->iv, iv, 15 - cctx->L);
805 # define aes_t4_ccm_cipher aes_ccm_cipher
806 static int aes_t4_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
807 const unsigned char *in, size_t len);
809 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
810 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
811 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
812 flags|EVP_CIPH_##MODE##_MODE, \
814 aes_t4_##mode##_cipher, \
816 sizeof(EVP_AES_KEY), \
817 NULL,NULL,NULL,NULL }; \
818 static const EVP_CIPHER aes_##keylen##_##mode = { \
819 nid##_##keylen##_##nmode,blocksize, \
821 flags|EVP_CIPH_##MODE##_MODE, \
823 aes_##mode##_cipher, \
825 sizeof(EVP_AES_KEY), \
826 NULL,NULL,NULL,NULL }; \
827 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
828 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
830 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
831 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
832 nid##_##keylen##_##mode,blocksize, \
833 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
834 flags|EVP_CIPH_##MODE##_MODE, \
835 aes_t4_##mode##_init_key, \
836 aes_t4_##mode##_cipher, \
837 aes_##mode##_cleanup, \
838 sizeof(EVP_AES_##MODE##_CTX), \
839 NULL,NULL,aes_##mode##_ctrl,NULL }; \
840 static const EVP_CIPHER aes_##keylen##_##mode = { \
841 nid##_##keylen##_##mode,blocksize, \
842 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
843 flags|EVP_CIPH_##MODE##_MODE, \
844 aes_##mode##_init_key, \
845 aes_##mode##_cipher, \
846 aes_##mode##_cleanup, \
847 sizeof(EVP_AES_##MODE##_CTX), \
848 NULL,NULL,aes_##mode##_ctrl,NULL }; \
849 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
850 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
854 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
855 static const EVP_CIPHER aes_##keylen##_##mode = { \
856 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
857 flags|EVP_CIPH_##MODE##_MODE, \
859 aes_##mode##_cipher, \
861 sizeof(EVP_AES_KEY), \
862 NULL,NULL,NULL,NULL }; \
863 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
864 { return &aes_##keylen##_##mode; }
866 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
867 static const EVP_CIPHER aes_##keylen##_##mode = { \
868 nid##_##keylen##_##mode,blocksize, \
869 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
870 flags|EVP_CIPH_##MODE##_MODE, \
871 aes_##mode##_init_key, \
872 aes_##mode##_cipher, \
873 aes_##mode##_cleanup, \
874 sizeof(EVP_AES_##MODE##_CTX), \
875 NULL,NULL,aes_##mode##_ctrl,NULL }; \
876 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
877 { return &aes_##keylen##_##mode; }
880 # if defined(OPENSSL_CPUID_OBJ) && (defined(__arm__) || defined(__arm) || defined(__aarch64__))
881 # include "arm_arch.h"
882 # if __ARM_MAX_ARCH__>=7
883 # if defined(BSAES_ASM)
884 # define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
886 # define HWAES_CAPABLE (OPENSSL_armcap_P & ARMV8_AES)
887 # define HWAES_set_encrypt_key aes_v8_set_encrypt_key
888 # define HWAES_set_decrypt_key aes_v8_set_decrypt_key
889 # define HWAES_encrypt aes_v8_encrypt
890 # define HWAES_decrypt aes_v8_decrypt
891 # define HWAES_cbc_encrypt aes_v8_cbc_encrypt
892 # define HWAES_ctr32_encrypt_blocks aes_v8_ctr32_encrypt_blocks
896 # if defined(HWAES_CAPABLE)
897 int HWAES_set_encrypt_key(const unsigned char *userKey, const int bits,
899 int HWAES_set_decrypt_key(const unsigned char *userKey, const int bits,
901 void HWAES_encrypt(const unsigned char *in, unsigned char *out,
903 void HWAES_decrypt(const unsigned char *in, unsigned char *out,
905 void HWAES_cbc_encrypt(const unsigned char *in, unsigned char *out,
906 size_t length, const AES_KEY *key,
907 unsigned char *ivec, const int enc);
908 void HWAES_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
909 size_t len, const AES_KEY *key,
910 const unsigned char ivec[16]);
913 # define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
914 BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
915 BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
916 BLOCK_CIPHER_generic(nid,keylen,1,16,ofb128,ofb,OFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
917 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb128,cfb,CFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
918 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb1,cfb1,CFB,flags) \
919 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags) \
920 BLOCK_CIPHER_generic(nid,keylen,1,16,ctr,ctr,CTR,flags)
922 static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
923 const unsigned char *iv, int enc)
926 EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
928 mode = ctx->cipher->flags & EVP_CIPH_MODE;
929 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
931 # ifdef HWAES_CAPABLE
933 ret = HWAES_set_decrypt_key(key, ctx->key_len * 8, &dat->ks.ks);
934 dat->block = (block128_f) HWAES_decrypt;
935 dat->stream.cbc = NULL;
936 # ifdef HWAES_cbc_encrypt
937 if (mode == EVP_CIPH_CBC_MODE)
938 dat->stream.cbc = (cbc128_f) HWAES_cbc_encrypt;
942 # ifdef BSAES_CAPABLE
943 if (BSAES_CAPABLE && mode == EVP_CIPH_CBC_MODE) {
944 ret = AES_set_decrypt_key(key, ctx->key_len * 8, &dat->ks.ks);
945 dat->block = (block128_f) AES_decrypt;
946 dat->stream.cbc = (cbc128_f) bsaes_cbc_encrypt;
949 # ifdef VPAES_CAPABLE
951 ret = vpaes_set_decrypt_key(key, ctx->key_len * 8, &dat->ks.ks);
952 dat->block = (block128_f) vpaes_decrypt;
953 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
954 (cbc128_f) vpaes_cbc_encrypt : NULL;
958 ret = AES_set_decrypt_key(key, ctx->key_len * 8, &dat->ks.ks);
959 dat->block = (block128_f) AES_decrypt;
960 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
961 (cbc128_f) AES_cbc_encrypt : NULL;
963 # ifdef HWAES_CAPABLE
965 ret = HWAES_set_encrypt_key(key, ctx->key_len * 8, &dat->ks.ks);
966 dat->block = (block128_f) HWAES_encrypt;
967 dat->stream.cbc = NULL;
968 # ifdef HWAES_cbc_encrypt
969 if (mode == EVP_CIPH_CBC_MODE)
970 dat->stream.cbc = (cbc128_f) HWAES_cbc_encrypt;
973 # ifdef HWAES_ctr32_encrypt_blocks
974 if (mode == EVP_CIPH_CTR_MODE)
975 dat->stream.ctr = (ctr128_f) HWAES_ctr32_encrypt_blocks;
978 (void)0; /* terminate potentially open 'else' */
981 # ifdef BSAES_CAPABLE
982 if (BSAES_CAPABLE && mode == EVP_CIPH_CTR_MODE) {
983 ret = AES_set_encrypt_key(key, ctx->key_len * 8, &dat->ks.ks);
984 dat->block = (block128_f) AES_encrypt;
985 dat->stream.ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks;
988 # ifdef VPAES_CAPABLE
990 ret = vpaes_set_encrypt_key(key, ctx->key_len * 8, &dat->ks.ks);
991 dat->block = (block128_f) vpaes_encrypt;
992 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
993 (cbc128_f) vpaes_cbc_encrypt : NULL;
997 ret = AES_set_encrypt_key(key, ctx->key_len * 8, &dat->ks.ks);
998 dat->block = (block128_f) AES_encrypt;
999 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
1000 (cbc128_f) AES_cbc_encrypt : NULL;
1002 if (mode == EVP_CIPH_CTR_MODE)
1003 dat->stream.ctr = (ctr128_f) AES_ctr32_encrypt;
1008 EVPerr(EVP_F_AES_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
1015 static int aes_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1016 const unsigned char *in, size_t len)
1018 EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
1020 if (dat->stream.cbc)
1021 (*dat->stream.cbc) (in, out, len, &dat->ks, ctx->iv, ctx->encrypt);
1022 else if (ctx->encrypt)
1023 CRYPTO_cbc128_encrypt(in, out, len, &dat->ks, ctx->iv, dat->block);
1025 CRYPTO_cbc128_decrypt(in, out, len, &dat->ks, ctx->iv, dat->block);
1030 static int aes_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1031 const unsigned char *in, size_t len)
1033 size_t bl = ctx->cipher->block_size;
1035 EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
1040 for (i = 0, len -= bl; i <= len; i += bl)
1041 (*dat->block) (in + i, out + i, &dat->ks);
1046 static int aes_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1047 const unsigned char *in, size_t len)
1049 EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
1051 CRYPTO_ofb128_encrypt(in, out, len, &dat->ks,
1052 ctx->iv, &ctx->num, dat->block);
1056 static int aes_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1057 const unsigned char *in, size_t len)
1059 EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
1061 CRYPTO_cfb128_encrypt(in, out, len, &dat->ks,
1062 ctx->iv, &ctx->num, ctx->encrypt, dat->block);
1066 static int aes_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1067 const unsigned char *in, size_t len)
1069 EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
1071 CRYPTO_cfb128_8_encrypt(in, out, len, &dat->ks,
1072 ctx->iv, &ctx->num, ctx->encrypt, dat->block);
1076 static int aes_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1077 const unsigned char *in, size_t len)
1079 EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
1081 if (ctx->flags & EVP_CIPH_FLAG_LENGTH_BITS) {
1082 CRYPTO_cfb128_1_encrypt(in, out, len, &dat->ks,
1083 ctx->iv, &ctx->num, ctx->encrypt, dat->block);
1087 while (len >= MAXBITCHUNK) {
1088 CRYPTO_cfb128_1_encrypt(in, out, MAXBITCHUNK * 8, &dat->ks,
1089 ctx->iv, &ctx->num, ctx->encrypt, dat->block);
1093 CRYPTO_cfb128_1_encrypt(in, out, len * 8, &dat->ks,
1094 ctx->iv, &ctx->num, ctx->encrypt, dat->block);
1099 static int aes_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1100 const unsigned char *in, size_t len)
1102 unsigned int num = ctx->num;
1103 EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data;
1105 if (dat->stream.ctr)
1106 CRYPTO_ctr128_encrypt_ctr32(in, out, len, &dat->ks,
1107 ctx->iv, ctx->buf, &num, dat->stream.ctr);
1109 CRYPTO_ctr128_encrypt(in, out, len, &dat->ks,
1110 ctx->iv, ctx->buf, &num, dat->block);
1111 ctx->num = (size_t)num;
1115 BLOCK_CIPHER_generic_pack(NID_aes, 128, EVP_CIPH_FLAG_FIPS)
1116 BLOCK_CIPHER_generic_pack(NID_aes, 192, EVP_CIPH_FLAG_FIPS)
1117 BLOCK_CIPHER_generic_pack(NID_aes, 256, EVP_CIPH_FLAG_FIPS)
1119 static int aes_gcm_cleanup(EVP_CIPHER_CTX *c)
1121 EVP_AES_GCM_CTX *gctx = c->cipher_data;
1122 OPENSSL_cleanse(&gctx->gcm, sizeof(gctx->gcm));
1123 if (gctx->iv != c->iv)
1124 OPENSSL_free(gctx->iv);
1128 /* increment counter (64-bit int) by 1 */
1129 static void ctr64_inc(unsigned char *counter)
1144 static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1146 EVP_AES_GCM_CTX *gctx = c->cipher_data;
1151 gctx->ivlen = c->cipher->iv_len;
1155 gctx->tls_aad_len = -1;
1158 case EVP_CTRL_GCM_SET_IVLEN:
1161 /* Allocate memory for IV if needed */
1162 if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen)) {
1163 if (gctx->iv != c->iv)
1164 OPENSSL_free(gctx->iv);
1165 gctx->iv = OPENSSL_malloc(arg);
1172 case EVP_CTRL_GCM_SET_TAG:
1173 if (arg <= 0 || arg > 16 || c->encrypt)
1175 memcpy(c->buf, ptr, arg);
1179 case EVP_CTRL_GCM_GET_TAG:
1180 if (arg <= 0 || arg > 16 || !c->encrypt || gctx->taglen < 0)
1182 memcpy(ptr, c->buf, arg);
1185 case EVP_CTRL_GCM_SET_IV_FIXED:
1186 /* Special case: -1 length restores whole IV */
1188 memcpy(gctx->iv, ptr, gctx->ivlen);
1193 * Fixed field must be at least 4 bytes and invocation field at least
1196 if ((arg < 4) || (gctx->ivlen - arg) < 8)
1199 memcpy(gctx->iv, ptr, arg);
1200 if (c->encrypt && RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
1205 case EVP_CTRL_GCM_IV_GEN:
1206 if (gctx->iv_gen == 0 || gctx->key_set == 0)
1208 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1209 if (arg <= 0 || arg > gctx->ivlen)
1211 memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
1213 * Invocation field will be at least 8 bytes in size and so no need
1214 * to check wrap around or increment more than last 8 bytes.
1216 ctr64_inc(gctx->iv + gctx->ivlen - 8);
1220 case EVP_CTRL_GCM_SET_IV_INV:
1221 if (gctx->iv_gen == 0 || gctx->key_set == 0 || c->encrypt)
1223 memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
1224 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1228 case EVP_CTRL_AEAD_TLS1_AAD:
1229 /* Save the AAD for later use */
1232 memcpy(c->buf, ptr, arg);
1233 gctx->tls_aad_len = arg;
1235 unsigned int len = c->buf[arg - 2] << 8 | c->buf[arg - 1];
1236 /* Correct length for explicit IV */
1237 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
1238 /* If decrypting correct for tag too */
1240 len -= EVP_GCM_TLS_TAG_LEN;
1241 c->buf[arg - 2] = len >> 8;
1242 c->buf[arg - 1] = len & 0xff;
1244 /* Extra padding: tag appended to record */
1245 return EVP_GCM_TLS_TAG_LEN;
1249 EVP_CIPHER_CTX *out = ptr;
1250 EVP_AES_GCM_CTX *gctx_out = out->cipher_data;
1251 if (gctx->gcm.key) {
1252 if (gctx->gcm.key != &gctx->ks)
1254 gctx_out->gcm.key = &gctx_out->ks;
1256 if (gctx->iv == c->iv)
1257 gctx_out->iv = out->iv;
1259 gctx_out->iv = OPENSSL_malloc(gctx->ivlen);
1262 memcpy(gctx_out->iv, gctx->iv, gctx->ivlen);
1273 static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1274 const unsigned char *iv, int enc)
1276 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1281 # ifdef HWAES_CAPABLE
1282 if (HWAES_CAPABLE) {
1283 HWAES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
1284 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1285 (block128_f) HWAES_encrypt);
1286 # ifdef HWAES_ctr32_encrypt_blocks
1287 gctx->ctr = (ctr128_f) HWAES_ctr32_encrypt_blocks;
1294 # ifdef BSAES_CAPABLE
1295 if (BSAES_CAPABLE) {
1296 AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
1297 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1298 (block128_f) AES_encrypt);
1299 gctx->ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks;
1303 # ifdef VPAES_CAPABLE
1304 if (VPAES_CAPABLE) {
1305 vpaes_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
1306 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1307 (block128_f) vpaes_encrypt);
1312 (void)0; /* terminate potentially open 'else' */
1314 AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
1315 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1316 (block128_f) AES_encrypt);
1318 gctx->ctr = (ctr128_f) AES_ctr32_encrypt;
1325 * If we have an iv can set it directly, otherwise use saved IV.
1327 if (iv == NULL && gctx->iv_set)
1330 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1335 /* If key set use IV, otherwise copy */
1337 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1339 memcpy(gctx->iv, iv, gctx->ivlen);
1347 * Handle TLS GCM packet format. This consists of the last portion of the IV
1348 * followed by the payload and finally the tag. On encrypt generate IV,
1349 * encrypt payload and write the tag. On verify retrieve IV, decrypt payload
1353 static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1354 const unsigned char *in, size_t len)
1356 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1358 /* Encrypt/decrypt must be performed in place */
1360 || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN))
1363 * Set IV from start of buffer or generate IV and write to start of
1366 if (EVP_CIPHER_CTX_ctrl(ctx, ctx->encrypt ?
1367 EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
1368 EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
1371 if (CRYPTO_gcm128_aad(&gctx->gcm, ctx->buf, gctx->tls_aad_len))
1373 /* Fix buffer and length to point to payload */
1374 in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1375 out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1376 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1378 /* Encrypt payload */
1381 # if defined(AES_GCM_ASM)
1382 if (len >= 32 && AES_GCM_ASM(gctx)) {
1383 if (CRYPTO_gcm128_encrypt(&gctx->gcm, NULL, NULL, 0))
1386 bulk = AES_gcm_encrypt(in, out, len,
1388 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1389 gctx->gcm.len.u[1] += bulk;
1392 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1395 len - bulk, gctx->ctr))
1399 # if defined(AES_GCM_ASM2)
1400 if (len >= 32 && AES_GCM_ASM2(gctx)) {
1401 if (CRYPTO_gcm128_encrypt(&gctx->gcm, NULL, NULL, 0))
1404 bulk = AES_gcm_encrypt(in, out, len,
1406 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1407 gctx->gcm.len.u[1] += bulk;
1410 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1411 in + bulk, out + bulk, len - bulk))
1415 /* Finally write tag */
1416 CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
1417 rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1422 # if defined(AES_GCM_ASM)
1423 if (len >= 16 && AES_GCM_ASM(gctx)) {
1424 if (CRYPTO_gcm128_decrypt(&gctx->gcm, NULL, NULL, 0))
1427 bulk = AES_gcm_decrypt(in, out, len,
1429 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1430 gctx->gcm.len.u[1] += bulk;
1433 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1436 len - bulk, gctx->ctr))
1440 # if defined(AES_GCM_ASM2)
1441 if (len >= 16 && AES_GCM_ASM2(gctx)) {
1442 if (CRYPTO_gcm128_decrypt(&gctx->gcm, NULL, NULL, 0))
1445 bulk = AES_gcm_decrypt(in, out, len,
1447 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1448 gctx->gcm.len.u[1] += bulk;
1451 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1452 in + bulk, out + bulk, len - bulk))
1456 CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, EVP_GCM_TLS_TAG_LEN);
1457 /* If tag mismatch wipe buffer */
1458 if (memcmp(ctx->buf, in + len, EVP_GCM_TLS_TAG_LEN)) {
1459 OPENSSL_cleanse(out, len);
1467 gctx->tls_aad_len = -1;
1471 static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1472 const unsigned char *in, size_t len)
1474 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1475 /* If not set up, return error */
1479 if (gctx->tls_aad_len >= 0)
1480 return aes_gcm_tls_cipher(ctx, out, in, len);
1486 if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
1488 } else if (ctx->encrypt) {
1491 # if defined(AES_GCM_ASM)
1492 if (len >= 32 && AES_GCM_ASM(gctx)) {
1493 size_t res = (16 - gctx->gcm.mres) % 16;
1495 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, res))
1498 bulk = AES_gcm_encrypt(in + res,
1499 out + res, len - res,
1500 gctx->gcm.key, gctx->gcm.Yi.c,
1502 gctx->gcm.len.u[1] += bulk;
1506 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1509 len - bulk, gctx->ctr))
1513 # if defined(AES_GCM_ASM2)
1514 if (len >= 32 && AES_GCM_ASM2(gctx)) {
1515 size_t res = (16 - gctx->gcm.mres) % 16;
1517 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, res))
1520 bulk = AES_gcm_encrypt(in + res,
1521 out + res, len - res,
1522 gctx->gcm.key, gctx->gcm.Yi.c,
1524 gctx->gcm.len.u[1] += bulk;
1528 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1529 in + bulk, out + bulk, len - bulk))
1535 # if defined(AES_GCM_ASM)
1536 if (len >= 16 && AES_GCM_ASM(gctx)) {
1537 size_t res = (16 - gctx->gcm.mres) % 16;
1539 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, res))
1542 bulk = AES_gcm_decrypt(in + res,
1543 out + res, len - res,
1545 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1546 gctx->gcm.len.u[1] += bulk;
1550 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1553 len - bulk, gctx->ctr))
1557 # if defined(AES_GCM_ASM2)
1558 if (len >= 16 && AES_GCM_ASM2(gctx)) {
1559 size_t res = (16 - gctx->gcm.mres) % 16;
1561 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, res))
1564 bulk = AES_gcm_decrypt(in + res,
1565 out + res, len - res,
1567 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1568 gctx->gcm.len.u[1] += bulk;
1572 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1573 in + bulk, out + bulk, len - bulk))
1579 if (!ctx->encrypt) {
1580 if (gctx->taglen < 0)
1582 if (CRYPTO_gcm128_finish(&gctx->gcm, ctx->buf, gctx->taglen) != 0)
1587 CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, 16);
1589 /* Don't reuse the IV */
1596 # define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
1597 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
1598 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
1599 | EVP_CIPH_CUSTOM_COPY)
1601 BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, gcm, GCM,
1602 EVP_CIPH_FLAG_FIPS | EVP_CIPH_FLAG_AEAD_CIPHER |
1604 BLOCK_CIPHER_custom(NID_aes, 192, 1, 12, gcm, GCM,
1605 EVP_CIPH_FLAG_FIPS | EVP_CIPH_FLAG_AEAD_CIPHER |
1607 BLOCK_CIPHER_custom(NID_aes, 256, 1, 12, gcm, GCM,
1608 EVP_CIPH_FLAG_FIPS | EVP_CIPH_FLAG_AEAD_CIPHER |
1611 static int aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1613 EVP_AES_XTS_CTX *xctx = c->cipher_data;
1614 if (type == EVP_CTRL_COPY) {
1615 EVP_CIPHER_CTX *out = ptr;
1616 EVP_AES_XTS_CTX *xctx_out = out->cipher_data;
1617 if (xctx->xts.key1) {
1618 if (xctx->xts.key1 != &xctx->ks1)
1620 xctx_out->xts.key1 = &xctx_out->ks1;
1622 if (xctx->xts.key2) {
1623 if (xctx->xts.key2 != &xctx->ks2)
1625 xctx_out->xts.key2 = &xctx_out->ks2;
1628 } else if (type != EVP_CTRL_INIT)
1630 /* key1 and key2 are used as an indicator both key and IV are set */
1631 xctx->xts.key1 = NULL;
1632 xctx->xts.key2 = NULL;
1636 static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1637 const unsigned char *iv, int enc)
1639 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
1646 xctx->stream = enc ? AES_xts_encrypt : AES_xts_decrypt;
1648 xctx->stream = NULL;
1650 /* key_len is two AES keys */
1651 # ifdef HWAES_CAPABLE
1652 if (HWAES_CAPABLE) {
1654 HWAES_set_encrypt_key(key, ctx->key_len * 4,
1656 xctx->xts.block1 = (block128_f) HWAES_encrypt;
1658 HWAES_set_decrypt_key(key, ctx->key_len * 4,
1660 xctx->xts.block1 = (block128_f) HWAES_decrypt;
1663 HWAES_set_encrypt_key(key + ctx->key_len / 2,
1664 ctx->key_len * 4, &xctx->ks2.ks);
1665 xctx->xts.block2 = (block128_f) HWAES_encrypt;
1667 xctx->xts.key1 = &xctx->ks1;
1671 # ifdef BSAES_CAPABLE
1673 xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt;
1676 # ifdef VPAES_CAPABLE
1677 if (VPAES_CAPABLE) {
1679 vpaes_set_encrypt_key(key, ctx->key_len * 4,
1681 xctx->xts.block1 = (block128_f) vpaes_encrypt;
1683 vpaes_set_decrypt_key(key, ctx->key_len * 4,
1685 xctx->xts.block1 = (block128_f) vpaes_decrypt;
1688 vpaes_set_encrypt_key(key + ctx->key_len / 2,
1689 ctx->key_len * 4, &xctx->ks2.ks);
1690 xctx->xts.block2 = (block128_f) vpaes_encrypt;
1692 xctx->xts.key1 = &xctx->ks1;
1696 (void)0; /* terminate potentially open 'else' */
1699 AES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1700 xctx->xts.block1 = (block128_f) AES_encrypt;
1702 AES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1703 xctx->xts.block1 = (block128_f) AES_decrypt;
1706 AES_set_encrypt_key(key + ctx->key_len / 2,
1707 ctx->key_len * 4, &xctx->ks2.ks);
1708 xctx->xts.block2 = (block128_f) AES_encrypt;
1710 xctx->xts.key1 = &xctx->ks1;
1714 xctx->xts.key2 = &xctx->ks2;
1715 memcpy(ctx->iv, iv, 16);
1721 static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1722 const unsigned char *in, size_t len)
1724 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
1725 if (!xctx->xts.key1 || !xctx->xts.key2)
1727 if (!out || !in || len < AES_BLOCK_SIZE)
1730 (*xctx->stream) (in, out, len,
1731 xctx->xts.key1, xctx->xts.key2, ctx->iv);
1732 else if (CRYPTO_xts128_encrypt(&xctx->xts, ctx->iv, in, out, len,
1738 # define aes_xts_cleanup NULL
1740 # define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \
1741 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
1742 | EVP_CIPH_CUSTOM_COPY)
1744 BLOCK_CIPHER_custom(NID_aes, 128, 1, 16, xts, XTS,
1745 EVP_CIPH_FLAG_FIPS | XTS_FLAGS)
1746 BLOCK_CIPHER_custom(NID_aes, 256, 1, 16, xts, XTS,
1747 EVP_CIPH_FLAG_FIPS | XTS_FLAGS)
1749 static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1751 EVP_AES_CCM_CTX *cctx = c->cipher_data;
1762 case EVP_CTRL_CCM_SET_IVLEN:
1764 case EVP_CTRL_CCM_SET_L:
1765 if (arg < 2 || arg > 8)
1770 case EVP_CTRL_CCM_SET_TAG:
1771 if ((arg & 1) || arg < 4 || arg > 16)
1773 if ((c->encrypt && ptr) || (!c->encrypt && !ptr))
1777 memcpy(c->buf, ptr, arg);
1782 case EVP_CTRL_CCM_GET_TAG:
1783 if (!c->encrypt || !cctx->tag_set)
1785 if (!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
1794 EVP_CIPHER_CTX *out = ptr;
1795 EVP_AES_CCM_CTX *cctx_out = out->cipher_data;
1796 if (cctx->ccm.key) {
1797 if (cctx->ccm.key != &cctx->ks)
1799 cctx_out->ccm.key = &cctx_out->ks;
1810 static int aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1811 const unsigned char *iv, int enc)
1813 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
1818 # ifdef HWAES_CAPABLE
1819 if (HWAES_CAPABLE) {
1820 HWAES_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks);
1822 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1823 &cctx->ks, (block128_f) HWAES_encrypt);
1829 # ifdef VPAES_CAPABLE
1830 if (VPAES_CAPABLE) {
1831 vpaes_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks);
1832 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1833 &cctx->ks, (block128_f) vpaes_encrypt);
1839 AES_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks);
1840 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1841 &cctx->ks, (block128_f) AES_encrypt);
1846 memcpy(ctx->iv, iv, 15 - cctx->L);
1852 static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1853 const unsigned char *in, size_t len)
1855 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
1856 CCM128_CONTEXT *ccm = &cctx->ccm;
1857 /* If not set up, return error */
1858 if (!cctx->iv_set && !cctx->key_set)
1860 if (!ctx->encrypt && !cctx->tag_set)
1864 if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len))
1869 /* If have AAD need message length */
1870 if (!cctx->len_set && len)
1872 CRYPTO_ccm128_aad(ccm, in, len);
1875 /* EVP_*Final() doesn't return any data */
1878 /* If not set length yet do it */
1879 if (!cctx->len_set) {
1880 if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len))
1885 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
1887 CRYPTO_ccm128_encrypt(ccm, in, out, len))
1893 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
1895 !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
1896 unsigned char tag[16];
1897 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
1898 if (!memcmp(tag, ctx->buf, cctx->M))
1903 OPENSSL_cleanse(out, len);
1912 # define aes_ccm_cleanup NULL
1914 BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, ccm, CCM,
1915 EVP_CIPH_FLAG_FIPS | CUSTOM_FLAGS)
1916 BLOCK_CIPHER_custom(NID_aes, 192, 1, 12, ccm, CCM,
1917 EVP_CIPH_FLAG_FIPS | CUSTOM_FLAGS)
1918 BLOCK_CIPHER_custom(NID_aes, 256, 1, 12, ccm, CCM,
1919 EVP_CIPH_FLAG_FIPS | CUSTOM_FLAGS)
1926 /* Indicates if IV has been set */
1930 static int aes_wrap_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1931 const unsigned char *iv, int enc)
1933 EVP_AES_WRAP_CTX *wctx = ctx->cipher_data;
1938 AES_set_encrypt_key(key, ctx->key_len * 8, &wctx->ks.ks);
1940 AES_set_decrypt_key(key, ctx->key_len * 8, &wctx->ks.ks);
1945 memcpy(ctx->iv, iv, 8);
1951 static int aes_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1952 const unsigned char *in, size_t inlen)
1954 EVP_AES_WRAP_CTX *wctx = ctx->cipher_data;
1960 if (ctx->encrypt && inlen < 8)
1962 if (!ctx->encrypt && inlen < 16)
1971 rv = CRYPTO_128_wrap(&wctx->ks.ks, wctx->iv, out, in, inlen,
1972 (block128_f) AES_encrypt);
1974 rv = CRYPTO_128_unwrap(&wctx->ks.ks, wctx->iv, out, in, inlen,
1975 (block128_f) AES_decrypt);
1976 return rv ? (int)rv : -1;
1979 #define WRAP_FLAGS (EVP_CIPH_WRAP_MODE \
1980 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
1981 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_FLAG_DEFAULT_ASN1)
1983 static const EVP_CIPHER aes_128_wrap = {
1985 8, 16, 8, WRAP_FLAGS,
1986 aes_wrap_init_key, aes_wrap_cipher,
1988 sizeof(EVP_AES_WRAP_CTX),
1989 NULL, NULL, NULL, NULL
1992 const EVP_CIPHER *EVP_aes_128_wrap(void)
1994 return &aes_128_wrap;
1997 static const EVP_CIPHER aes_192_wrap = {
1999 8, 24, 8, WRAP_FLAGS,
2000 aes_wrap_init_key, aes_wrap_cipher,
2002 sizeof(EVP_AES_WRAP_CTX),
2003 NULL, NULL, NULL, NULL
2006 const EVP_CIPHER *EVP_aes_192_wrap(void)
2008 return &aes_192_wrap;
2011 static const EVP_CIPHER aes_256_wrap = {
2013 8, 32, 8, WRAP_FLAGS,
2014 aes_wrap_init_key, aes_wrap_cipher,
2016 sizeof(EVP_AES_WRAP_CTX),
2017 NULL, NULL, NULL, NULL
2020 const EVP_CIPHER *EVP_aes_256_wrap(void)
2022 return &aes_256_wrap;