1 /* ====================================================================
2 * Copyright (c) 2001-2014 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/)"
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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
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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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40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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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 #define OPENSSL_FIPSAPI
53 #include <openssl/opensslconf.h>
54 #ifndef OPENSSL_NO_AES
55 #include <openssl/evp.h>
56 #include <openssl/err.h>
59 #include <openssl/aes.h>
61 #include "modes_lcl.h"
62 #include <openssl/rand.h>
66 union { double align; AES_KEY ks; } ks;
76 union { double align; AES_KEY ks; } ks; /* AES key schedule to use */
77 int key_set; /* Set if key initialised */
78 int iv_set; /* Set if an iv is set */
80 unsigned char *iv; /* Temporary IV store */
81 int ivlen; /* IV length */
83 int iv_gen; /* It is OK to generate IVs */
84 int tls_aad_len; /* TLS AAD length */
90 union { double align; AES_KEY ks; } ks1, ks2; /* AES key schedules to use */
92 void (*stream)(const unsigned char *in,
93 unsigned char *out, size_t length,
94 const AES_KEY *key1, const AES_KEY *key2,
95 const unsigned char iv[16]);
100 union { double align; AES_KEY ks; } ks; /* AES key schedule to use */
101 int key_set; /* Set if key initialised */
102 int iv_set; /* Set if an iv is set */
103 int tag_set; /* Set if tag is valid */
104 int len_set; /* Set if message length set */
105 int L, M; /* L and M parameters from RFC3610 */
110 #define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4))
113 int vpaes_set_encrypt_key(const unsigned char *userKey, int bits,
115 int vpaes_set_decrypt_key(const unsigned char *userKey, int bits,
118 void vpaes_encrypt(const unsigned char *in, unsigned char *out,
120 void vpaes_decrypt(const unsigned char *in, unsigned char *out,
123 void vpaes_cbc_encrypt(const unsigned char *in,
127 unsigned char *ivec, int enc);
130 void bsaes_cbc_encrypt(const unsigned char *in, unsigned char *out,
131 size_t length, const AES_KEY *key,
132 unsigned char ivec[16], int enc);
133 void bsaes_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
134 size_t len, const AES_KEY *key,
135 const unsigned char ivec[16]);
136 void bsaes_xts_encrypt(const unsigned char *inp, unsigned char *out,
137 size_t len, const AES_KEY *key1,
138 const AES_KEY *key2, const unsigned char iv[16]);
139 void bsaes_xts_decrypt(const unsigned char *inp, unsigned char *out,
140 size_t len, const AES_KEY *key1,
141 const AES_KEY *key2, const unsigned char iv[16]);
144 void AES_ctr32_encrypt(const unsigned char *in, unsigned char *out,
145 size_t blocks, const AES_KEY *key,
146 const unsigned char ivec[AES_BLOCK_SIZE]);
149 void AES_xts_encrypt(const char *inp,char *out,size_t len,
150 const AES_KEY *key1, const AES_KEY *key2,
151 const unsigned char iv[16]);
152 void AES_xts_decrypt(const char *inp,char *out,size_t len,
153 const AES_KEY *key1, const AES_KEY *key2,
154 const unsigned char iv[16]);
157 #if defined(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC))
158 # include "ppc_arch.h"
160 # define VPAES_CAPABLE (OPENSSL_ppccap_P & PPC_ALTIVEC)
162 # define HWAES_CAPABLE (OPENSSL_ppccap_P & PPC_CRYPTO207)
163 # define HWAES_set_encrypt_key aes_p8_set_encrypt_key
164 # define HWAES_set_decrypt_key aes_p8_set_decrypt_key
165 # define HWAES_encrypt aes_p8_encrypt
166 # define HWAES_decrypt aes_p8_decrypt
167 # define HWAES_cbc_encrypt aes_p8_cbc_encrypt
168 # define HWAES_ctr32_encrypt_blocks aes_p8_ctr32_encrypt_blocks
171 #if defined(AES_ASM) && !defined(I386_ONLY) && ( \
172 ((defined(__i386) || defined(__i386__) || \
173 defined(_M_IX86)) && defined(OPENSSL_IA32_SSE2))|| \
174 defined(__x86_64) || defined(__x86_64__) || \
175 defined(_M_AMD64) || defined(_M_X64) || \
178 extern unsigned int OPENSSL_ia32cap_P[];
181 #define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
184 #define BSAES_CAPABLE VPAES_CAPABLE
189 #define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
191 int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
193 int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
196 void aesni_encrypt(const unsigned char *in, unsigned char *out,
198 void aesni_decrypt(const unsigned char *in, unsigned char *out,
201 void aesni_ecb_encrypt(const unsigned char *in,
206 void aesni_cbc_encrypt(const unsigned char *in,
210 unsigned char *ivec, int enc);
212 void aesni_ctr32_encrypt_blocks(const unsigned char *in,
216 const unsigned char *ivec);
218 void aesni_xts_encrypt(const unsigned char *in,
221 const AES_KEY *key1, const AES_KEY *key2,
222 const unsigned char iv[16]);
224 void aesni_xts_decrypt(const unsigned char *in,
227 const AES_KEY *key1, const AES_KEY *key2,
228 const unsigned char iv[16]);
230 void aesni_ccm64_encrypt_blocks (const unsigned char *in,
234 const unsigned char ivec[16],
235 unsigned char cmac[16]);
237 void aesni_ccm64_decrypt_blocks (const unsigned char *in,
241 const unsigned char ivec[16],
242 unsigned char cmac[16]);
244 #if defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
245 size_t aesni_gcm_encrypt(const unsigned char *in,
249 unsigned char ivec[16],
251 #define AES_gcm_encrypt aesni_gcm_encrypt
252 size_t aesni_gcm_decrypt(const unsigned char *in,
256 unsigned char ivec[16],
258 #define AES_gcm_decrypt aesni_gcm_decrypt
259 void gcm_ghash_avx(u64 Xi[2],const u128 Htable[16],const u8 *in,size_t len);
260 #define AES_GCM_ASM(gctx) (gctx->ctr==aesni_ctr32_encrypt_blocks && \
261 gctx->gcm.ghash==gcm_ghash_avx)
262 #define AES_GCM_ASM2(gctx) (gctx->gcm.block==(block128_f)aesni_encrypt && \
263 gctx->gcm.ghash==gcm_ghash_avx)
264 #undef AES_GCM_ASM2 /* minor size optimization */
267 static int aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
268 const unsigned char *iv, int enc)
271 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
273 mode = ctx->cipher->flags & EVP_CIPH_MODE;
274 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 :
284 ret = aesni_set_encrypt_key(key, ctx->key_len*8, ctx->cipher_data);
285 dat->block = (block128_f)aesni_encrypt;
286 if (mode==EVP_CIPH_CBC_MODE)
287 dat->stream.cbc = (cbc128_f)aesni_cbc_encrypt;
288 else if (mode==EVP_CIPH_CTR_MODE)
289 dat->stream.ctr = (ctr128_f)aesni_ctr32_encrypt_blocks;
291 dat->stream.cbc = NULL;
296 EVPerr(EVP_F_AESNI_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
303 static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
304 const unsigned char *in, size_t len)
306 aesni_cbc_encrypt(in,out,len,ctx->cipher_data,ctx->iv,ctx->encrypt);
311 static int aesni_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
312 const unsigned char *in, size_t len)
314 size_t bl = ctx->cipher->block_size;
316 if (len<bl) return 1;
318 aesni_ecb_encrypt(in,out,len,ctx->cipher_data,ctx->encrypt);
323 #define aesni_ofb_cipher aes_ofb_cipher
324 static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
325 const unsigned char *in,size_t len);
327 #define aesni_cfb_cipher aes_cfb_cipher
328 static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
329 const unsigned char *in,size_t len);
331 #define aesni_cfb8_cipher aes_cfb8_cipher
332 static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
333 const unsigned char *in,size_t len);
335 #define aesni_cfb1_cipher aes_cfb1_cipher
336 static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
337 const unsigned char *in,size_t len);
339 #define aesni_ctr_cipher aes_ctr_cipher
340 static int aesni_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
341 const unsigned char *in, size_t len);
343 static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
344 const unsigned char *iv, int enc)
346 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
351 aesni_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
352 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
353 (block128_f)aesni_encrypt);
354 gctx->ctr = (ctr128_f)aesni_ctr32_encrypt_blocks;
355 /* If we have an iv can set it directly, otherwise use
358 if (iv == NULL && gctx->iv_set)
362 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
369 /* If key set use IV, otherwise copy */
371 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
373 memcpy(gctx->iv, iv, gctx->ivlen);
380 #define aesni_gcm_cipher aes_gcm_cipher
381 static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
382 const unsigned char *in, size_t len);
384 static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
385 const unsigned char *iv, int enc)
387 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
393 /* key_len is two AES keys */
396 aesni_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
397 xctx->xts.block1 = (block128_f)aesni_encrypt;
398 xctx->stream = aesni_xts_encrypt;
402 aesni_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
403 xctx->xts.block1 = (block128_f)aesni_decrypt;
404 xctx->stream = aesni_xts_decrypt;
407 aesni_set_encrypt_key(key + ctx->key_len/2,
408 ctx->key_len * 4, &xctx->ks2.ks);
409 xctx->xts.block2 = (block128_f)aesni_encrypt;
411 xctx->xts.key1 = &xctx->ks1;
416 xctx->xts.key2 = &xctx->ks2;
417 memcpy(ctx->iv, iv, 16);
423 #define aesni_xts_cipher aes_xts_cipher
424 static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
425 const unsigned char *in, size_t len);
427 static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
428 const unsigned char *iv, int enc)
430 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
435 aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks);
436 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
437 &cctx->ks, (block128_f)aesni_encrypt);
438 cctx->str = enc?(ccm128_f)aesni_ccm64_encrypt_blocks :
439 (ccm128_f)aesni_ccm64_decrypt_blocks;
444 memcpy(ctx->iv, iv, 15 - cctx->L);
450 #define aesni_ccm_cipher aes_ccm_cipher
451 static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
452 const unsigned char *in, size_t len);
454 #define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
455 static const EVP_CIPHER aesni_##keylen##_##mode = { \
456 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
457 flags|EVP_CIPH_##MODE##_MODE, \
459 aesni_##mode##_cipher, \
461 sizeof(EVP_AES_KEY), \
462 NULL,NULL,NULL,NULL }; \
463 static const EVP_CIPHER aes_##keylen##_##mode = { \
464 nid##_##keylen##_##nmode,blocksize, \
466 flags|EVP_CIPH_##MODE##_MODE, \
468 aes_##mode##_cipher, \
470 sizeof(EVP_AES_KEY), \
471 NULL,NULL,NULL,NULL }; \
472 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
473 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
475 #define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
476 static const EVP_CIPHER aesni_##keylen##_##mode = { \
477 nid##_##keylen##_##mode,blocksize, \
478 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
479 flags|EVP_CIPH_##MODE##_MODE, \
480 aesni_##mode##_init_key, \
481 aesni_##mode##_cipher, \
482 aes_##mode##_cleanup, \
483 sizeof(EVP_AES_##MODE##_CTX), \
484 NULL,NULL,aes_##mode##_ctrl,NULL }; \
485 static const EVP_CIPHER aes_##keylen##_##mode = { \
486 nid##_##keylen##_##mode,blocksize, \
487 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
488 flags|EVP_CIPH_##MODE##_MODE, \
489 aes_##mode##_init_key, \
490 aes_##mode##_cipher, \
491 aes_##mode##_cleanup, \
492 sizeof(EVP_AES_##MODE##_CTX), \
493 NULL,NULL,aes_##mode##_ctrl,NULL }; \
494 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
495 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
497 #elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
499 #include "sparc_arch.h"
501 extern unsigned int OPENSSL_sparcv9cap_P[];
503 #define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES)
505 void aes_t4_set_encrypt_key (const unsigned char *key, int bits,
507 void aes_t4_set_decrypt_key (const unsigned char *key, int bits,
509 void aes_t4_encrypt (const unsigned char *in, unsigned char *out,
511 void aes_t4_decrypt (const unsigned char *in, unsigned char *out,
514 * Key-length specific subroutines were chosen for following reason.
515 * Each SPARC T4 core can execute up to 8 threads which share core's
516 * resources. Loading as much key material to registers allows to
517 * minimize references to shared memory interface, as well as amount
518 * of instructions in inner loops [much needed on T4]. But then having
519 * non-key-length specific routines would require conditional branches
520 * either in inner loops or on subroutines' entries. Former is hardly
521 * acceptable, while latter means code size increase to size occupied
522 * by multiple key-length specfic subroutines, so why fight?
524 void aes128_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
525 size_t len, const AES_KEY *key,
526 unsigned char *ivec);
527 void aes128_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
528 size_t len, const AES_KEY *key,
529 unsigned char *ivec);
530 void aes192_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
531 size_t len, const AES_KEY *key,
532 unsigned char *ivec);
533 void aes192_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
534 size_t len, const AES_KEY *key,
535 unsigned char *ivec);
536 void aes256_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
537 size_t len, const AES_KEY *key,
538 unsigned char *ivec);
539 void aes256_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
540 size_t len, const AES_KEY *key,
541 unsigned char *ivec);
542 void aes128_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
543 size_t blocks, const AES_KEY *key,
544 unsigned char *ivec);
545 void aes192_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
546 size_t blocks, const AES_KEY *key,
547 unsigned char *ivec);
548 void aes256_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
549 size_t blocks, const AES_KEY *key,
550 unsigned char *ivec);
551 void aes128_t4_xts_encrypt (const unsigned char *in, unsigned char *out,
552 size_t blocks, const AES_KEY *key1,
553 const AES_KEY *key2, const unsigned char *ivec);
554 void aes128_t4_xts_decrypt (const unsigned char *in, unsigned char *out,
555 size_t blocks, const AES_KEY *key1,
556 const AES_KEY *key2, const unsigned char *ivec);
557 void aes256_t4_xts_encrypt (const unsigned char *in, unsigned char *out,
558 size_t blocks, const AES_KEY *key1,
559 const AES_KEY *key2, const unsigned char *ivec);
560 void aes256_t4_xts_decrypt (const unsigned char *in, unsigned char *out,
561 size_t blocks, const AES_KEY *key1,
562 const AES_KEY *key2, const unsigned char *ivec);
564 static int aes_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
565 const unsigned char *iv, int enc)
568 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
570 mode = ctx->cipher->flags & EVP_CIPH_MODE;
571 bits = ctx->key_len*8;
572 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
576 aes_t4_set_decrypt_key(key, bits, ctx->cipher_data);
577 dat->block = (block128_f)aes_t4_decrypt;
580 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
581 (cbc128_f)aes128_t4_cbc_decrypt :
585 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
586 (cbc128_f)aes192_t4_cbc_decrypt :
590 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
591 (cbc128_f)aes256_t4_cbc_decrypt :
600 aes_t4_set_encrypt_key(key, bits, ctx->cipher_data);
601 dat->block = (block128_f)aes_t4_encrypt;
604 if (mode==EVP_CIPH_CBC_MODE)
605 dat->stream.cbc = (cbc128_f)aes128_t4_cbc_encrypt;
606 else if (mode==EVP_CIPH_CTR_MODE)
607 dat->stream.ctr = (ctr128_f)aes128_t4_ctr32_encrypt;
609 dat->stream.cbc = NULL;
612 if (mode==EVP_CIPH_CBC_MODE)
613 dat->stream.cbc = (cbc128_f)aes192_t4_cbc_encrypt;
614 else if (mode==EVP_CIPH_CTR_MODE)
615 dat->stream.ctr = (ctr128_f)aes192_t4_ctr32_encrypt;
617 dat->stream.cbc = NULL;
620 if (mode==EVP_CIPH_CBC_MODE)
621 dat->stream.cbc = (cbc128_f)aes256_t4_cbc_encrypt;
622 else if (mode==EVP_CIPH_CTR_MODE)
623 dat->stream.ctr = (ctr128_f)aes256_t4_ctr32_encrypt;
625 dat->stream.cbc = NULL;
634 EVPerr(EVP_F_AES_T4_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
641 #define aes_t4_cbc_cipher aes_cbc_cipher
642 static int aes_t4_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
643 const unsigned char *in, size_t len);
645 #define aes_t4_ecb_cipher aes_ecb_cipher
646 static int aes_t4_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
647 const unsigned char *in, size_t len);
649 #define aes_t4_ofb_cipher aes_ofb_cipher
650 static int aes_t4_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
651 const unsigned char *in,size_t len);
653 #define aes_t4_cfb_cipher aes_cfb_cipher
654 static int aes_t4_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
655 const unsigned char *in,size_t len);
657 #define aes_t4_cfb8_cipher aes_cfb8_cipher
658 static int aes_t4_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
659 const unsigned char *in,size_t len);
661 #define aes_t4_cfb1_cipher aes_cfb1_cipher
662 static int aes_t4_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
663 const unsigned char *in,size_t len);
665 #define aes_t4_ctr_cipher aes_ctr_cipher
666 static int aes_t4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
667 const unsigned char *in, size_t len);
669 static int aes_t4_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
670 const unsigned char *iv, int enc)
672 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
677 int bits = ctx->key_len * 8;
678 aes_t4_set_encrypt_key(key, bits, &gctx->ks.ks);
679 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
680 (block128_f)aes_t4_encrypt);
683 gctx->ctr = (ctr128_f)aes128_t4_ctr32_encrypt;
686 gctx->ctr = (ctr128_f)aes192_t4_ctr32_encrypt;
689 gctx->ctr = (ctr128_f)aes256_t4_ctr32_encrypt;
694 /* If we have an iv can set it directly, otherwise use
697 if (iv == NULL && gctx->iv_set)
701 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
708 /* If key set use IV, otherwise copy */
710 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
712 memcpy(gctx->iv, iv, gctx->ivlen);
719 #define aes_t4_gcm_cipher aes_gcm_cipher
720 static int aes_t4_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
721 const unsigned char *in, size_t len);
723 static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
724 const unsigned char *iv, int enc)
726 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
732 int bits = ctx->key_len * 4;
734 /* key_len is two AES keys */
737 aes_t4_set_encrypt_key(key, bits, &xctx->ks1.ks);
738 xctx->xts.block1 = (block128_f)aes_t4_encrypt;
741 xctx->stream = aes128_t4_xts_encrypt;
745 xctx->stream = aes192_t4_xts_encrypt;
749 xctx->stream = aes256_t4_xts_encrypt;
757 aes_t4_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
758 xctx->xts.block1 = (block128_f)aes_t4_decrypt;
761 xctx->stream = aes128_t4_xts_decrypt;
765 xctx->stream = aes192_t4_xts_decrypt;
769 xctx->stream = aes256_t4_xts_decrypt;
776 aes_t4_set_encrypt_key(key + ctx->key_len/2,
777 ctx->key_len * 4, &xctx->ks2.ks);
778 xctx->xts.block2 = (block128_f)aes_t4_encrypt;
780 xctx->xts.key1 = &xctx->ks1;
785 xctx->xts.key2 = &xctx->ks2;
786 memcpy(ctx->iv, iv, 16);
792 #define aes_t4_xts_cipher aes_xts_cipher
793 static int aes_t4_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
794 const unsigned char *in, size_t len);
796 static int aes_t4_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
797 const unsigned char *iv, int enc)
799 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
804 int bits = ctx->key_len * 8;
805 aes_t4_set_encrypt_key(key, bits, &cctx->ks.ks);
806 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
807 &cctx->ks, (block128_f)aes_t4_encrypt);
811 cctx->str = enc?(ccm128_f)aes128_t4_ccm64_encrypt :
812 (ccm128_f)ae128_t4_ccm64_decrypt;
815 cctx->str = enc?(ccm128_f)aes192_t4_ccm64_encrypt :
816 (ccm128_f)ae192_t4_ccm64_decrypt;
819 cctx->str = enc?(ccm128_f)aes256_t4_ccm64_encrypt :
820 (ccm128_f)ae256_t4_ccm64_decrypt;
830 memcpy(ctx->iv, iv, 15 - cctx->L);
836 #define aes_t4_ccm_cipher aes_ccm_cipher
837 static int aes_t4_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
838 const unsigned char *in, size_t len);
840 #define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
841 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
842 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
843 flags|EVP_CIPH_##MODE##_MODE, \
845 aes_t4_##mode##_cipher, \
847 sizeof(EVP_AES_KEY), \
848 NULL,NULL,NULL,NULL }; \
849 static const EVP_CIPHER aes_##keylen##_##mode = { \
850 nid##_##keylen##_##nmode,blocksize, \
852 flags|EVP_CIPH_##MODE##_MODE, \
854 aes_##mode##_cipher, \
856 sizeof(EVP_AES_KEY), \
857 NULL,NULL,NULL,NULL }; \
858 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
859 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
861 #define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
862 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
863 nid##_##keylen##_##mode,blocksize, \
864 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
865 flags|EVP_CIPH_##MODE##_MODE, \
866 aes_t4_##mode##_init_key, \
867 aes_t4_##mode##_cipher, \
868 aes_##mode##_cleanup, \
869 sizeof(EVP_AES_##MODE##_CTX), \
870 NULL,NULL,aes_##mode##_ctrl,NULL }; \
871 static const EVP_CIPHER aes_##keylen##_##mode = { \
872 nid##_##keylen##_##mode,blocksize, \
873 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
874 flags|EVP_CIPH_##MODE##_MODE, \
875 aes_##mode##_init_key, \
876 aes_##mode##_cipher, \
877 aes_##mode##_cleanup, \
878 sizeof(EVP_AES_##MODE##_CTX), \
879 NULL,NULL,aes_##mode##_ctrl,NULL }; \
880 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
881 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
885 #define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
886 static const EVP_CIPHER aes_##keylen##_##mode = { \
887 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
888 flags|EVP_CIPH_##MODE##_MODE, \
890 aes_##mode##_cipher, \
892 sizeof(EVP_AES_KEY), \
893 NULL,NULL,NULL,NULL }; \
894 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
895 { return &aes_##keylen##_##mode; }
897 #define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
898 static const EVP_CIPHER aes_##keylen##_##mode = { \
899 nid##_##keylen##_##mode,blocksize, \
900 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
901 flags|EVP_CIPH_##MODE##_MODE, \
902 aes_##mode##_init_key, \
903 aes_##mode##_cipher, \
904 aes_##mode##_cleanup, \
905 sizeof(EVP_AES_##MODE##_CTX), \
906 NULL,NULL,aes_##mode##_ctrl,NULL }; \
907 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
908 { return &aes_##keylen##_##mode; }
912 #if defined(OPENSSL_CPUID_OBJ) && (defined(__arm__) || defined(__arm) || defined(__aarch64__))
913 #include "arm_arch.h"
915 # if defined(BSAES_ASM)
916 # define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
918 # define HWAES_CAPABLE (OPENSSL_armcap_P & ARMV8_AES)
919 # define HWAES_set_encrypt_key aes_v8_set_encrypt_key
920 # define HWAES_set_decrypt_key aes_v8_set_decrypt_key
921 # define HWAES_encrypt aes_v8_encrypt
922 # define HWAES_decrypt aes_v8_decrypt
923 # define HWAES_cbc_encrypt aes_v8_cbc_encrypt
924 # define HWAES_ctr32_encrypt_blocks aes_v8_ctr32_encrypt_blocks
928 #if defined(HWAES_CAPABLE)
929 int HWAES_set_encrypt_key(const unsigned char *userKey, const int bits,
931 int HWAES_set_decrypt_key(const unsigned char *userKey, const int bits,
933 void HWAES_encrypt(const unsigned char *in, unsigned char *out,
935 void HWAES_decrypt(const unsigned char *in, unsigned char *out,
937 void HWAES_cbc_encrypt(const unsigned char *in, unsigned char *out,
938 size_t length, const AES_KEY *key,
939 unsigned char *ivec, const int enc);
940 void HWAES_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
941 size_t len, const AES_KEY *key, const unsigned char ivec[16]);
944 #define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
945 BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
946 BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
947 BLOCK_CIPHER_generic(nid,keylen,1,16,ofb128,ofb,OFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
948 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb128,cfb,CFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
949 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb1,cfb1,CFB,flags) \
950 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags) \
951 BLOCK_CIPHER_generic(nid,keylen,1,16,ctr,ctr,CTR,flags)
953 static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
954 const unsigned char *iv, int enc)
957 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
959 mode = ctx->cipher->flags & EVP_CIPH_MODE;
960 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
965 ret = HWAES_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
966 dat->block = (block128_f)HWAES_decrypt;
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;
976 if (BSAES_CAPABLE && mode==EVP_CIPH_CBC_MODE)
978 ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
979 dat->block = (block128_f)AES_decrypt;
980 dat->stream.cbc = (cbc128_f)bsaes_cbc_encrypt;
987 ret = vpaes_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
988 dat->block = (block128_f)vpaes_decrypt;
989 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
990 (cbc128_f)vpaes_cbc_encrypt :
996 ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
997 dat->block = (block128_f)AES_decrypt;
998 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
999 (cbc128_f)AES_cbc_encrypt :
1003 #ifdef HWAES_CAPABLE
1006 ret = HWAES_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
1007 dat->block = (block128_f)HWAES_encrypt;
1008 dat->stream.cbc = NULL;
1009 #ifdef HWAES_cbc_encrypt
1010 if (mode==EVP_CIPH_CBC_MODE)
1011 dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
1014 #ifdef HWAES_ctr32_encrypt_blocks
1015 if (mode==EVP_CIPH_CTR_MODE)
1016 dat->stream.ctr = (ctr128_f)HWAES_ctr32_encrypt_blocks;
1019 (void)0; /* terminate potentially open 'else' */
1023 #ifdef BSAES_CAPABLE
1024 if (BSAES_CAPABLE && mode==EVP_CIPH_CTR_MODE)
1026 ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
1027 dat->block = (block128_f)AES_encrypt;
1028 dat->stream.ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
1032 #ifdef VPAES_CAPABLE
1035 ret = vpaes_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
1036 dat->block = (block128_f)vpaes_encrypt;
1037 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
1038 (cbc128_f)vpaes_cbc_encrypt :
1044 ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
1045 dat->block = (block128_f)AES_encrypt;
1046 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
1047 (cbc128_f)AES_cbc_encrypt :
1050 if (mode==EVP_CIPH_CTR_MODE)
1051 dat->stream.ctr = (ctr128_f)AES_ctr32_encrypt;
1057 EVPerr(EVP_F_AES_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
1064 static int aes_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
1065 const unsigned char *in, size_t len)
1067 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1069 if (dat->stream.cbc)
1070 (*dat->stream.cbc)(in,out,len,&dat->ks,ctx->iv,ctx->encrypt);
1071 else if (ctx->encrypt)
1072 CRYPTO_cbc128_encrypt(in,out,len,&dat->ks,ctx->iv,dat->block);
1074 CRYPTO_cbc128_decrypt(in,out,len,&dat->ks,ctx->iv,dat->block);
1079 static int aes_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
1080 const unsigned char *in, size_t len)
1082 size_t bl = ctx->cipher->block_size;
1084 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1086 if (len<bl) return 1;
1088 for (i=0,len-=bl;i<=len;i+=bl)
1089 (*dat->block)(in+i,out+i,&dat->ks);
1094 static int aes_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
1095 const unsigned char *in,size_t len)
1097 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1099 CRYPTO_ofb128_encrypt(in,out,len,&dat->ks,
1100 ctx->iv,&ctx->num,dat->block);
1104 static int aes_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
1105 const unsigned char *in,size_t len)
1107 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1109 CRYPTO_cfb128_encrypt(in,out,len,&dat->ks,
1110 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
1114 static int aes_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
1115 const unsigned char *in,size_t len)
1117 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1119 CRYPTO_cfb128_8_encrypt(in,out,len,&dat->ks,
1120 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
1124 static int aes_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
1125 const unsigned char *in,size_t len)
1127 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1129 if (ctx->flags&EVP_CIPH_FLAG_LENGTH_BITS) {
1130 CRYPTO_cfb128_1_encrypt(in,out,len,&dat->ks,
1131 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
1135 while (len>=MAXBITCHUNK) {
1136 CRYPTO_cfb128_1_encrypt(in,out,MAXBITCHUNK*8,&dat->ks,
1137 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
1141 CRYPTO_cfb128_1_encrypt(in,out,len*8,&dat->ks,
1142 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
1147 static int aes_ctr_cipher (EVP_CIPHER_CTX *ctx, unsigned char *out,
1148 const unsigned char *in, size_t len)
1150 unsigned int num = ctx->num;
1151 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1153 if (dat->stream.ctr)
1154 CRYPTO_ctr128_encrypt_ctr32(in,out,len,&dat->ks,
1155 ctx->iv,ctx->buf,&num,dat->stream.ctr);
1157 CRYPTO_ctr128_encrypt(in,out,len,&dat->ks,
1158 ctx->iv,ctx->buf,&num,dat->block);
1159 ctx->num = (size_t)num;
1163 BLOCK_CIPHER_generic_pack(NID_aes,128,EVP_CIPH_FLAG_FIPS)
1164 BLOCK_CIPHER_generic_pack(NID_aes,192,EVP_CIPH_FLAG_FIPS)
1165 BLOCK_CIPHER_generic_pack(NID_aes,256,EVP_CIPH_FLAG_FIPS)
1167 static int aes_gcm_cleanup(EVP_CIPHER_CTX *c)
1169 EVP_AES_GCM_CTX *gctx = c->cipher_data;
1170 OPENSSL_cleanse(&gctx->gcm, sizeof(gctx->gcm));
1171 if (gctx->iv != c->iv)
1172 OPENSSL_free(gctx->iv);
1176 /* increment counter (64-bit int) by 1 */
1177 static void ctr64_inc(unsigned char *counter) {
1190 static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1192 EVP_AES_GCM_CTX *gctx = c->cipher_data;
1198 gctx->ivlen = c->cipher->iv_len;
1202 gctx->tls_aad_len = -1;
1205 case EVP_CTRL_GCM_SET_IVLEN:
1209 if (FIPS_module_mode() && !(c->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW)
1213 /* Allocate memory for IV if needed */
1214 if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen))
1216 if (gctx->iv != c->iv)
1217 OPENSSL_free(gctx->iv);
1218 gctx->iv = OPENSSL_malloc(arg);
1225 case EVP_CTRL_GCM_SET_TAG:
1226 if (arg <= 0 || arg > 16 || c->encrypt)
1228 memcpy(c->buf, ptr, arg);
1232 case EVP_CTRL_GCM_GET_TAG:
1233 if (arg <= 0 || arg > 16 || !c->encrypt || gctx->taglen < 0)
1235 memcpy(ptr, c->buf, arg);
1238 case EVP_CTRL_GCM_SET_IV_FIXED:
1239 /* Special case: -1 length restores whole IV */
1242 memcpy(gctx->iv, ptr, gctx->ivlen);
1246 /* Fixed field must be at least 4 bytes and invocation field
1249 if ((arg < 4) || (gctx->ivlen - arg) < 8)
1252 memcpy(gctx->iv, ptr, arg);
1254 RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
1259 case EVP_CTRL_GCM_IV_GEN:
1260 if (gctx->iv_gen == 0 || gctx->key_set == 0)
1262 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1263 if (arg <= 0 || arg > gctx->ivlen)
1265 memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
1266 /* Invocation field will be at least 8 bytes in size and
1267 * so no need to check wrap around or increment more than
1270 ctr64_inc(gctx->iv + gctx->ivlen - 8);
1274 case EVP_CTRL_GCM_SET_IV_INV:
1275 if (gctx->iv_gen == 0 || gctx->key_set == 0 || c->encrypt)
1277 memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
1278 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1282 case EVP_CTRL_AEAD_TLS1_AAD:
1283 /* Save the AAD for later use */
1286 memcpy(c->buf, ptr, arg);
1287 gctx->tls_aad_len = arg;
1289 unsigned int len=c->buf[arg-2]<<8|c->buf[arg-1];
1290 /* Correct length for explicit IV */
1291 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
1292 /* If decrypting correct for tag too */
1294 len -= EVP_GCM_TLS_TAG_LEN;
1295 c->buf[arg-2] = len>>8;
1296 c->buf[arg-1] = len & 0xff;
1298 /* Extra padding: tag appended to record */
1299 return EVP_GCM_TLS_TAG_LEN;
1303 EVP_CIPHER_CTX *out = ptr;
1304 EVP_AES_GCM_CTX *gctx_out = out->cipher_data;
1307 if (gctx->gcm.key != &gctx->ks)
1309 gctx_out->gcm.key = &gctx_out->ks;
1311 if (gctx->iv == c->iv)
1312 gctx_out->iv = out->iv;
1315 gctx_out->iv = OPENSSL_malloc(gctx->ivlen);
1318 memcpy(gctx_out->iv, gctx->iv, gctx->ivlen);
1329 static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1330 const unsigned char *iv, int enc)
1332 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1337 #ifdef HWAES_CAPABLE
1340 HWAES_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
1341 CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
1342 (block128_f)HWAES_encrypt);
1343 #ifdef HWAES_ctr32_encrypt_blocks
1344 gctx->ctr = (ctr128_f)HWAES_ctr32_encrypt_blocks;
1352 #ifdef BSAES_CAPABLE
1355 AES_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
1356 CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
1357 (block128_f)AES_encrypt);
1358 gctx->ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
1363 #ifdef VPAES_CAPABLE
1366 vpaes_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
1367 CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
1368 (block128_f)vpaes_encrypt);
1374 (void)0; /* terminate potentially open 'else' */
1376 AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
1377 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f)AES_encrypt);
1379 gctx->ctr = (ctr128_f)AES_ctr32_encrypt;
1385 /* If we have an iv can set it directly, otherwise use
1388 if (iv == NULL && gctx->iv_set)
1392 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1399 /* If key set use IV, otherwise copy */
1401 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1403 memcpy(gctx->iv, iv, gctx->ivlen);
1410 /* Handle TLS GCM packet format. This consists of the last portion of the IV
1411 * followed by the payload and finally the tag. On encrypt generate IV,
1412 * encrypt payload and write the tag. On verify retrieve IV, decrypt payload
1416 static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1417 const unsigned char *in, size_t len)
1419 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1421 /* Encrypt/decrypt must be performed in place */
1422 if (out != in || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN+EVP_GCM_TLS_TAG_LEN))
1424 /* Set IV from start of buffer or generate IV and write to start
1427 if (EVP_CIPHER_CTX_ctrl(ctx, ctx->encrypt ?
1428 EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
1429 EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
1432 if (CRYPTO_gcm128_aad(&gctx->gcm, ctx->buf, gctx->tls_aad_len))
1434 /* Fix buffer and length to point to payload */
1435 in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1436 out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1437 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1440 /* Encrypt payload */
1444 #if defined(AES_GCM_ASM)
1445 if (len>=32 && AES_GCM_ASM(gctx))
1447 if (CRYPTO_gcm128_encrypt(&gctx->gcm,NULL,NULL,0))
1450 bulk = AES_gcm_encrypt(in,out,len,
1454 gctx->gcm.len.u[1] += bulk;
1457 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1466 #if defined(AES_GCM_ASM2)
1467 if (len>=32 && AES_GCM_ASM2(gctx))
1469 if (CRYPTO_gcm128_encrypt(&gctx->gcm,NULL,NULL,0))
1472 bulk = AES_gcm_encrypt(in,out,len,
1476 gctx->gcm.len.u[1] += bulk;
1479 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1486 /* Finally write tag */
1487 CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
1488 rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1496 #if defined(AES_GCM_ASM)
1497 if (len>=16 && AES_GCM_ASM(gctx))
1499 if (CRYPTO_gcm128_decrypt(&gctx->gcm,NULL,NULL,0))
1502 bulk = AES_gcm_decrypt(in,out,len,
1506 gctx->gcm.len.u[1] += bulk;
1509 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1518 #if defined(AES_GCM_ASM2)
1519 if (len>=16 && AES_GCM_ASM2(gctx))
1521 if (CRYPTO_gcm128_decrypt(&gctx->gcm,NULL,NULL,0))
1524 bulk = AES_gcm_decrypt(in,out,len,
1528 gctx->gcm.len.u[1] += bulk;
1531 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1538 CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf,
1539 EVP_GCM_TLS_TAG_LEN);
1540 /* If tag mismatch wipe buffer */
1541 if (memcmp(ctx->buf, in + len, EVP_GCM_TLS_TAG_LEN))
1543 OPENSSL_cleanse(out, len);
1551 gctx->tls_aad_len = -1;
1555 static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1556 const unsigned char *in, size_t len)
1558 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1559 /* If not set up, return error */
1563 if (gctx->tls_aad_len >= 0)
1564 return aes_gcm_tls_cipher(ctx, out, in, len);
1572 if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
1575 else if (ctx->encrypt)
1580 #if defined(AES_GCM_ASM)
1581 if (len>=32 && AES_GCM_ASM(gctx))
1583 size_t res = (16-gctx->gcm.mres)%16;
1585 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1589 bulk = AES_gcm_encrypt(in+res,
1590 out+res,len-res, gctx->gcm.key,
1593 gctx->gcm.len.u[1] += bulk;
1597 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1606 #if defined(AES_GCM_ASM2)
1607 if (len>=32 && AES_GCM_ASM2(gctx))
1609 size_t res = (16-gctx->gcm.mres)%16;
1611 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1615 bulk = AES_gcm_encrypt(in+res,
1616 out+res,len-res, gctx->gcm.key,
1619 gctx->gcm.len.u[1] += bulk;
1623 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1635 #if defined(AES_GCM_ASM)
1636 if (len>=16 && AES_GCM_ASM(gctx))
1638 size_t res = (16-gctx->gcm.mres)%16;
1640 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1644 bulk = AES_gcm_decrypt(in+res,
1649 gctx->gcm.len.u[1] += bulk;
1653 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1662 #if defined(AES_GCM_ASM2)
1663 if (len>=16 && AES_GCM_ASM2(gctx))
1665 size_t res = (16-gctx->gcm.mres)%16;
1667 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1671 bulk = AES_gcm_decrypt(in+res,
1676 gctx->gcm.len.u[1] += bulk;
1680 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1693 if (gctx->taglen < 0)
1695 if (CRYPTO_gcm128_finish(&gctx->gcm,
1696 ctx->buf, gctx->taglen) != 0)
1701 CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, 16);
1703 /* Don't reuse the IV */
1710 #define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
1711 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
1712 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
1713 | EVP_CIPH_CUSTOM_COPY)
1715 BLOCK_CIPHER_custom(NID_aes,128,1,12,gcm,GCM,
1716 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1717 BLOCK_CIPHER_custom(NID_aes,192,1,12,gcm,GCM,
1718 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1719 BLOCK_CIPHER_custom(NID_aes,256,1,12,gcm,GCM,
1720 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1722 static int aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1724 EVP_AES_XTS_CTX *xctx = c->cipher_data;
1725 if (type == EVP_CTRL_COPY)
1727 EVP_CIPHER_CTX *out = ptr;
1728 EVP_AES_XTS_CTX *xctx_out = out->cipher_data;
1731 if (xctx->xts.key1 != &xctx->ks1)
1733 xctx_out->xts.key1 = &xctx_out->ks1;
1737 if (xctx->xts.key2 != &xctx->ks2)
1739 xctx_out->xts.key2 = &xctx_out->ks2;
1743 else if (type != EVP_CTRL_INIT)
1745 /* key1 and key2 are used as an indicator both key and IV are set */
1746 xctx->xts.key1 = NULL;
1747 xctx->xts.key2 = NULL;
1751 static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1752 const unsigned char *iv, int enc)
1754 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
1761 xctx->stream = enc ? AES_xts_encrypt : AES_xts_decrypt;
1763 xctx->stream = NULL;
1765 /* key_len is two AES keys */
1766 #ifdef HWAES_CAPABLE
1771 HWAES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1772 xctx->xts.block1 = (block128_f)HWAES_encrypt;
1776 HWAES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1777 xctx->xts.block1 = (block128_f)HWAES_decrypt;
1780 HWAES_set_encrypt_key(key + ctx->key_len/2,
1781 ctx->key_len * 4, &xctx->ks2.ks);
1782 xctx->xts.block2 = (block128_f)HWAES_encrypt;
1784 xctx->xts.key1 = &xctx->ks1;
1789 #ifdef BSAES_CAPABLE
1791 xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt;
1794 #ifdef VPAES_CAPABLE
1799 vpaes_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1800 xctx->xts.block1 = (block128_f)vpaes_encrypt;
1804 vpaes_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1805 xctx->xts.block1 = (block128_f)vpaes_decrypt;
1808 vpaes_set_encrypt_key(key + ctx->key_len/2,
1809 ctx->key_len * 4, &xctx->ks2.ks);
1810 xctx->xts.block2 = (block128_f)vpaes_encrypt;
1812 xctx->xts.key1 = &xctx->ks1;
1817 (void)0; /* terminate potentially open 'else' */
1821 AES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1822 xctx->xts.block1 = (block128_f)AES_encrypt;
1826 AES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1827 xctx->xts.block1 = (block128_f)AES_decrypt;
1830 AES_set_encrypt_key(key + ctx->key_len/2,
1831 ctx->key_len * 4, &xctx->ks2.ks);
1832 xctx->xts.block2 = (block128_f)AES_encrypt;
1834 xctx->xts.key1 = &xctx->ks1;
1839 xctx->xts.key2 = &xctx->ks2;
1840 memcpy(ctx->iv, iv, 16);
1846 static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1847 const unsigned char *in, size_t len)
1849 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
1850 if (!xctx->xts.key1 || !xctx->xts.key2)
1852 if (!out || !in || len<AES_BLOCK_SIZE)
1855 /* Requirement of SP800-38E */
1856 if (FIPS_module_mode() && !(ctx->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW) &&
1857 (len > (1UL<<20)*16))
1859 EVPerr(EVP_F_AES_XTS_CIPHER, EVP_R_TOO_LARGE);
1864 (*xctx->stream)(in, out, len,
1865 xctx->xts.key1, xctx->xts.key2, ctx->iv);
1866 else if (CRYPTO_xts128_encrypt(&xctx->xts, ctx->iv, in, out, len,
1872 #define aes_xts_cleanup NULL
1874 #define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \
1875 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
1876 | EVP_CIPH_CUSTOM_COPY)
1878 BLOCK_CIPHER_custom(NID_aes,128,1,16,xts,XTS,EVP_CIPH_FLAG_FIPS|XTS_FLAGS)
1879 BLOCK_CIPHER_custom(NID_aes,256,1,16,xts,XTS,EVP_CIPH_FLAG_FIPS|XTS_FLAGS)
1881 static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1883 EVP_AES_CCM_CTX *cctx = c->cipher_data;
1895 case EVP_CTRL_CCM_SET_IVLEN:
1897 case EVP_CTRL_CCM_SET_L:
1898 if (arg < 2 || arg > 8)
1903 case EVP_CTRL_CCM_SET_TAG:
1904 if ((arg & 1) || arg < 4 || arg > 16)
1906 if ((c->encrypt && ptr) || (!c->encrypt && !ptr))
1911 memcpy(c->buf, ptr, arg);
1916 case EVP_CTRL_CCM_GET_TAG:
1917 if (!c->encrypt || !cctx->tag_set)
1919 if(!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
1928 EVP_CIPHER_CTX *out = ptr;
1929 EVP_AES_CCM_CTX *cctx_out = out->cipher_data;
1932 if (cctx->ccm.key != &cctx->ks)
1934 cctx_out->ccm.key = &cctx_out->ks;
1945 static int aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1946 const unsigned char *iv, int enc)
1948 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
1953 #ifdef HWAES_CAPABLE
1956 HWAES_set_encrypt_key(key,ctx->key_len*8,&cctx->ks.ks);
1958 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1959 &cctx->ks, (block128_f)HWAES_encrypt);
1966 #ifdef VPAES_CAPABLE
1969 vpaes_set_encrypt_key(key, ctx->key_len*8, &cctx->ks.ks);
1970 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1971 &cctx->ks, (block128_f)vpaes_encrypt);
1977 AES_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks);
1978 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1979 &cctx->ks, (block128_f)AES_encrypt);
1985 memcpy(ctx->iv, iv, 15 - cctx->L);
1991 static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1992 const unsigned char *in, size_t len)
1994 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
1995 CCM128_CONTEXT *ccm = &cctx->ccm;
1996 /* If not set up, return error */
1997 if (!cctx->iv_set && !cctx->key_set)
1999 if (!ctx->encrypt && !cctx->tag_set)
2005 if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L,len))
2010 /* If have AAD need message length */
2011 if (!cctx->len_set && len)
2013 CRYPTO_ccm128_aad(ccm, in, len);
2016 /* EVP_*Final() doesn't return any data */
2019 /* If not set length yet do it */
2022 if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len))
2028 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
2030 CRYPTO_ccm128_encrypt(ccm, in, out, len))
2038 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
2040 !CRYPTO_ccm128_decrypt(ccm, in, out, len))
2042 unsigned char tag[16];
2043 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M))
2045 if (!memcmp(tag, ctx->buf, cctx->M))
2050 OPENSSL_cleanse(out, len);
2059 #define aes_ccm_cleanup NULL
2061 BLOCK_CIPHER_custom(NID_aes,128,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
2062 BLOCK_CIPHER_custom(NID_aes,192,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
2063 BLOCK_CIPHER_custom(NID_aes,256,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
2067 union { double align; AES_KEY ks; } ks;
2068 /* Indicates if IV has been set */
2072 static int aes_wrap_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
2073 const unsigned char *iv, int enc)
2075 EVP_AES_WRAP_CTX *wctx = ctx->cipher_data;
2081 AES_set_encrypt_key(key, ctx->key_len * 8, &wctx->ks.ks);
2083 AES_set_decrypt_key(key, ctx->key_len * 8, &wctx->ks.ks);
2089 memcpy(ctx->iv, iv, EVP_CIPHER_CTX_iv_length(ctx));
2095 static int aes_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2096 const unsigned char *in, size_t inlen)
2098 EVP_AES_WRAP_CTX *wctx = ctx->cipher_data;
2100 /* AES wrap with padding has IV length of 4, without padding 8 */
2101 int pad = EVP_CIPHER_CTX_iv_length(ctx) == 4;
2102 /* No final operation so always return zero length */
2105 /* Input length must always be non-zero */
2108 /* If decrypting need at least 16 bytes and multiple of 8 */
2109 if (!ctx->encrypt && (inlen < 16 || inlen & 0x7))
2111 /* If not padding input must be multiple of 8 */
2112 if (!pad && inlen & 0x7)
2118 /* If padding round up to multiple of 8 */
2120 inlen = (inlen + 7)/8 * 8;
2126 /* If not padding output will be exactly 8 bytes
2127 * smaller than input. If padding it will be at
2128 * least 8 bytes smaller but we don't know how
2137 rv = CRYPTO_128_wrap_pad(&wctx->ks.ks, wctx->iv,
2139 (block128_f)AES_encrypt);
2141 rv = CRYPTO_128_unwrap_pad(&wctx->ks.ks, wctx->iv,
2143 (block128_f)AES_decrypt);
2148 rv = CRYPTO_128_wrap(&wctx->ks.ks, wctx->iv,
2150 (block128_f)AES_encrypt);
2152 rv = CRYPTO_128_unwrap(&wctx->ks.ks, wctx->iv,
2154 (block128_f)AES_decrypt);
2156 return rv ? (int)rv : -1;
2159 #define WRAP_FLAGS (EVP_CIPH_WRAP_MODE \
2160 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
2161 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_FLAG_DEFAULT_ASN1)
2163 static const EVP_CIPHER aes_128_wrap = {
2165 8, 16, 8, WRAP_FLAGS,
2166 aes_wrap_init_key, aes_wrap_cipher,
2168 sizeof(EVP_AES_WRAP_CTX),
2169 NULL,NULL,NULL,NULL };
2171 const EVP_CIPHER *EVP_aes_128_wrap(void)
2173 return &aes_128_wrap;
2176 static const EVP_CIPHER aes_192_wrap = {
2178 8, 24, 8, WRAP_FLAGS,
2179 aes_wrap_init_key, aes_wrap_cipher,
2181 sizeof(EVP_AES_WRAP_CTX),
2182 NULL,NULL,NULL,NULL };
2184 const EVP_CIPHER *EVP_aes_192_wrap(void)
2186 return &aes_192_wrap;
2189 static const EVP_CIPHER aes_256_wrap = {
2191 8, 32, 8, WRAP_FLAGS,
2192 aes_wrap_init_key, aes_wrap_cipher,
2194 sizeof(EVP_AES_WRAP_CTX),
2195 NULL,NULL,NULL,NULL };
2197 const EVP_CIPHER *EVP_aes_256_wrap(void)
2199 return &aes_256_wrap;
2202 static const EVP_CIPHER aes_128_wrap_pad = {
2203 NID_id_aes128_wrap_pad,
2204 8, 16, 4, WRAP_FLAGS,
2205 aes_wrap_init_key, aes_wrap_cipher,
2207 sizeof(EVP_AES_WRAP_CTX),
2208 NULL,NULL,NULL,NULL };
2210 const EVP_CIPHER *EVP_aes_128_wrap_pad(void)
2212 return &aes_128_wrap_pad;
2215 static const EVP_CIPHER aes_192_wrap_pad = {
2216 NID_id_aes192_wrap_pad,
2217 8, 24, 4, WRAP_FLAGS,
2218 aes_wrap_init_key, aes_wrap_cipher,
2220 sizeof(EVP_AES_WRAP_CTX),
2221 NULL,NULL,NULL,NULL };
2223 const EVP_CIPHER *EVP_aes_192_wrap_pad(void)
2225 return &aes_192_wrap_pad;
2228 static const EVP_CIPHER aes_256_wrap_pad = {
2229 NID_id_aes256_wrap_pad,
2230 8, 32, 4, WRAP_FLAGS,
2231 aes_wrap_init_key, aes_wrap_cipher,
2233 sizeof(EVP_AES_WRAP_CTX),
2234 NULL,NULL,NULL,NULL };
2236 const EVP_CIPHER *EVP_aes_256_wrap_pad(void)
2238 return &aes_256_wrap_pad;