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
38 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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>
59 #include "modes_lcl.h"
60 #include <openssl/rand.h>
62 #undef EVP_CIPH_FLAG_FIPS
63 #define EVP_CIPH_FLAG_FIPS 0
67 union { double align; AES_KEY ks; } ks;
77 union { double align; AES_KEY ks; } ks; /* AES key schedule to use */
78 int key_set; /* Set if key initialised */
79 int iv_set; /* Set if an iv is set */
81 unsigned char *iv; /* Temporary IV store */
82 int ivlen; /* IV length */
84 int iv_gen; /* It is OK to generate IVs */
85 int tls_aad_len; /* TLS AAD length */
91 union { double align; AES_KEY ks; } ks1, ks2; /* AES key schedules to use */
93 void (*stream)(const unsigned char *in,
94 unsigned char *out, size_t length,
95 const AES_KEY *key1, const AES_KEY *key2,
96 const unsigned char iv[16]);
101 union { double align; AES_KEY ks; } ks; /* AES key schedule to use */
102 int key_set; /* Set if key initialised */
103 int iv_set; /* Set if an iv is set */
104 int tag_set; /* Set if tag is valid */
105 int len_set; /* Set if message length set */
106 int L, M; /* L and M parameters from RFC3610 */
111 #define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4))
114 int vpaes_set_encrypt_key(const unsigned char *userKey, int bits,
116 int vpaes_set_decrypt_key(const unsigned char *userKey, int bits,
119 void vpaes_encrypt(const unsigned char *in, unsigned char *out,
121 void vpaes_decrypt(const unsigned char *in, unsigned char *out,
124 void vpaes_cbc_encrypt(const unsigned char *in,
128 unsigned char *ivec, int enc);
131 void bsaes_cbc_encrypt(const unsigned char *in, unsigned char *out,
132 size_t length, const AES_KEY *key,
133 unsigned char ivec[16], int enc);
134 void bsaes_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
135 size_t len, const AES_KEY *key,
136 const unsigned char ivec[16]);
137 void bsaes_xts_encrypt(const unsigned char *inp, unsigned char *out,
138 size_t len, const AES_KEY *key1,
139 const AES_KEY *key2, const unsigned char iv[16]);
140 void bsaes_xts_decrypt(const unsigned char *inp, unsigned char *out,
141 size_t len, const AES_KEY *key1,
142 const AES_KEY *key2, const unsigned char iv[16]);
145 void AES_ctr32_encrypt(const unsigned char *in, unsigned char *out,
146 size_t blocks, const AES_KEY *key,
147 const unsigned char ivec[AES_BLOCK_SIZE]);
150 void AES_xts_encrypt(const char *inp,char *out,size_t len,
151 const AES_KEY *key1, const AES_KEY *key2,
152 const unsigned char iv[16]);
153 void AES_xts_decrypt(const char *inp,char *out,size_t len,
154 const AES_KEY *key1, const AES_KEY *key2,
155 const unsigned char iv[16]);
158 #if defined(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC))
159 # include "ppc_arch.h"
161 # define VPAES_CAPABLE (OPENSSL_ppccap_P & PPC_ALTIVEC)
163 # define HWAES_CAPABLE (OPENSSL_ppccap_P & PPC_CRYPTO207)
164 # define HWAES_set_encrypt_key aes_p8_set_encrypt_key
165 # define HWAES_set_decrypt_key aes_p8_set_decrypt_key
166 # define HWAES_encrypt aes_p8_encrypt
167 # define HWAES_decrypt aes_p8_decrypt
168 # define HWAES_cbc_encrypt aes_p8_cbc_encrypt
169 # define HWAES_ctr32_encrypt_blocks aes_p8_ctr32_encrypt_blocks
172 #if defined(AES_ASM) && !defined(I386_ONLY) && ( \
173 ((defined(__i386) || defined(__i386__) || \
174 defined(_M_IX86)) && defined(OPENSSL_IA32_SSE2))|| \
175 defined(__x86_64) || defined(__x86_64__) || \
176 defined(_M_AMD64) || defined(_M_X64) || \
179 extern unsigned int OPENSSL_ia32cap_P[];
182 #define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
185 #define BSAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
190 #define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
192 int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
194 int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
197 void aesni_encrypt(const unsigned char *in, unsigned char *out,
199 void aesni_decrypt(const unsigned char *in, unsigned char *out,
202 void aesni_ecb_encrypt(const unsigned char *in,
207 void aesni_cbc_encrypt(const unsigned char *in,
211 unsigned char *ivec, int enc);
213 void aesni_ctr32_encrypt_blocks(const unsigned char *in,
217 const unsigned char *ivec);
219 void aesni_xts_encrypt(const unsigned char *in,
222 const AES_KEY *key1, const AES_KEY *key2,
223 const unsigned char iv[16]);
225 void aesni_xts_decrypt(const unsigned char *in,
228 const AES_KEY *key1, const AES_KEY *key2,
229 const unsigned char iv[16]);
231 void aesni_ccm64_encrypt_blocks (const unsigned char *in,
235 const unsigned char ivec[16],
236 unsigned char cmac[16]);
238 void aesni_ccm64_decrypt_blocks (const unsigned char *in,
242 const unsigned char ivec[16],
243 unsigned char cmac[16]);
245 #if defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
246 size_t aesni_gcm_encrypt(const unsigned char *in,
250 unsigned char ivec[16],
252 #define AES_gcm_encrypt aesni_gcm_encrypt
253 size_t aesni_gcm_decrypt(const unsigned char *in,
257 unsigned char ivec[16],
259 #define AES_gcm_decrypt aesni_gcm_decrypt
260 void gcm_ghash_avx(u64 Xi[2],const u128 Htable[16],const u8 *in,size_t len);
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)
278 ret = aesni_set_decrypt_key(key, ctx->key_len*8, ctx->cipher_data);
279 dat->block = (block128_f)aesni_decrypt;
280 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
281 (cbc128_f)aesni_cbc_encrypt :
285 ret = aesni_set_encrypt_key(key, ctx->key_len*8, ctx->cipher_data);
286 dat->block = (block128_f)aesni_encrypt;
287 if (mode==EVP_CIPH_CBC_MODE)
288 dat->stream.cbc = (cbc128_f)aesni_cbc_encrypt;
289 else if (mode==EVP_CIPH_CTR_MODE)
290 dat->stream.ctr = (ctr128_f)aesni_ctr32_encrypt_blocks;
292 dat->stream.cbc = NULL;
297 EVPerr(EVP_F_AESNI_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
304 static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
305 const unsigned char *in, size_t len)
307 aesni_cbc_encrypt(in,out,len,ctx->cipher_data,ctx->iv,ctx->encrypt);
312 static int aesni_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
313 const unsigned char *in, size_t len)
315 size_t bl = ctx->cipher->block_size;
317 if (len<bl) return 1;
319 aesni_ecb_encrypt(in,out,len,ctx->cipher_data,ctx->encrypt);
324 #define aesni_ofb_cipher aes_ofb_cipher
325 static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
326 const unsigned char *in,size_t len);
328 #define aesni_cfb_cipher aes_cfb_cipher
329 static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
330 const unsigned char *in,size_t len);
332 #define aesni_cfb8_cipher aes_cfb8_cipher
333 static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
334 const unsigned char *in,size_t len);
336 #define aesni_cfb1_cipher aes_cfb1_cipher
337 static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
338 const unsigned char *in,size_t len);
340 #define aesni_ctr_cipher aes_ctr_cipher
341 static int aesni_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
342 const unsigned char *in, size_t len);
344 static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
345 const unsigned char *iv, int enc)
347 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
352 aesni_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
353 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
354 (block128_f)aesni_encrypt);
355 gctx->ctr = (ctr128_f)aesni_ctr32_encrypt_blocks;
356 /* If we have an iv can set it directly, otherwise use
359 if (iv == NULL && gctx->iv_set)
363 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
370 /* If key set use IV, otherwise copy */
372 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
374 memcpy(gctx->iv, iv, gctx->ivlen);
381 #define aesni_gcm_cipher aes_gcm_cipher
382 static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
383 const unsigned char *in, size_t len);
385 static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
386 const unsigned char *iv, int enc)
388 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
394 /* key_len is two AES keys */
397 aesni_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
398 xctx->xts.block1 = (block128_f)aesni_encrypt;
399 xctx->stream = aesni_xts_encrypt;
403 aesni_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
404 xctx->xts.block1 = (block128_f)aesni_decrypt;
405 xctx->stream = aesni_xts_decrypt;
408 aesni_set_encrypt_key(key + ctx->key_len/2,
409 ctx->key_len * 4, &xctx->ks2.ks);
410 xctx->xts.block2 = (block128_f)aesni_encrypt;
412 xctx->xts.key1 = &xctx->ks1;
417 xctx->xts.key2 = &xctx->ks2;
418 memcpy(ctx->iv, iv, 16);
424 #define aesni_xts_cipher aes_xts_cipher
425 static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
426 const unsigned char *in, size_t len);
428 static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
429 const unsigned char *iv, int enc)
431 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
436 aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks);
437 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
438 &cctx->ks, (block128_f)aesni_encrypt);
439 cctx->str = enc?(ccm128_f)aesni_ccm64_encrypt_blocks :
440 (ccm128_f)aesni_ccm64_decrypt_blocks;
445 memcpy(ctx->iv, iv, 15 - cctx->L);
451 #define aesni_ccm_cipher aes_ccm_cipher
452 static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
453 const unsigned char *in, size_t len);
455 #define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
456 static const EVP_CIPHER aesni_##keylen##_##mode = { \
457 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
458 flags|EVP_CIPH_##MODE##_MODE, \
460 aesni_##mode##_cipher, \
462 sizeof(EVP_AES_KEY), \
463 NULL,NULL,NULL,NULL }; \
464 static const EVP_CIPHER aes_##keylen##_##mode = { \
465 nid##_##keylen##_##nmode,blocksize, \
467 flags|EVP_CIPH_##MODE##_MODE, \
469 aes_##mode##_cipher, \
471 sizeof(EVP_AES_KEY), \
472 NULL,NULL,NULL,NULL }; \
473 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
474 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
476 #define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
477 static const EVP_CIPHER aesni_##keylen##_##mode = { \
478 nid##_##keylen##_##mode,blocksize, \
479 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
480 flags|EVP_CIPH_##MODE##_MODE, \
481 aesni_##mode##_init_key, \
482 aesni_##mode##_cipher, \
483 aes_##mode##_cleanup, \
484 sizeof(EVP_AES_##MODE##_CTX), \
485 NULL,NULL,aes_##mode##_ctrl,NULL }; \
486 static const EVP_CIPHER aes_##keylen##_##mode = { \
487 nid##_##keylen##_##mode,blocksize, \
488 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
489 flags|EVP_CIPH_##MODE##_MODE, \
490 aes_##mode##_init_key, \
491 aes_##mode##_cipher, \
492 aes_##mode##_cleanup, \
493 sizeof(EVP_AES_##MODE##_CTX), \
494 NULL,NULL,aes_##mode##_ctrl,NULL }; \
495 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
496 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
498 #elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
500 #include "sparc_arch.h"
502 extern unsigned int OPENSSL_sparcv9cap_P[];
504 #define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES)
506 void aes_t4_set_encrypt_key (const unsigned char *key, int bits,
508 void aes_t4_set_decrypt_key (const unsigned char *key, int bits,
510 void aes_t4_encrypt (const unsigned char *in, unsigned char *out,
512 void aes_t4_decrypt (const unsigned char *in, unsigned char *out,
515 * Key-length specific subroutines were chosen for following reason.
516 * Each SPARC T4 core can execute up to 8 threads which share core's
517 * resources. Loading as much key material to registers allows to
518 * minimize references to shared memory interface, as well as amount
519 * of instructions in inner loops [much needed on T4]. But then having
520 * non-key-length specific routines would require conditional branches
521 * either in inner loops or on subroutines' entries. Former is hardly
522 * acceptable, while latter means code size increase to size occupied
523 * by multiple key-length specfic subroutines, so why fight?
525 void aes128_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
526 size_t len, const AES_KEY *key,
527 unsigned char *ivec);
528 void aes128_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
529 size_t len, const AES_KEY *key,
530 unsigned char *ivec);
531 void aes192_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
532 size_t len, const AES_KEY *key,
533 unsigned char *ivec);
534 void aes192_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
535 size_t len, const AES_KEY *key,
536 unsigned char *ivec);
537 void aes256_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
538 size_t len, const AES_KEY *key,
539 unsigned char *ivec);
540 void aes256_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
541 size_t len, const AES_KEY *key,
542 unsigned char *ivec);
543 void aes128_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
544 size_t blocks, const AES_KEY *key,
545 unsigned char *ivec);
546 void aes192_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
547 size_t blocks, const AES_KEY *key,
548 unsigned char *ivec);
549 void aes256_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
550 size_t blocks, const AES_KEY *key,
551 unsigned char *ivec);
552 void aes128_t4_xts_encrypt (const unsigned char *in, unsigned char *out,
553 size_t blocks, const AES_KEY *key1,
554 const AES_KEY *key2, const unsigned char *ivec);
555 void aes128_t4_xts_decrypt (const unsigned char *in, unsigned char *out,
556 size_t blocks, const AES_KEY *key1,
557 const AES_KEY *key2, const unsigned char *ivec);
558 void aes256_t4_xts_encrypt (const unsigned char *in, unsigned char *out,
559 size_t blocks, const AES_KEY *key1,
560 const AES_KEY *key2, const unsigned char *ivec);
561 void aes256_t4_xts_decrypt (const unsigned char *in, unsigned char *out,
562 size_t blocks, const AES_KEY *key1,
563 const AES_KEY *key2, const unsigned char *ivec);
565 static int aes_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
566 const unsigned char *iv, int enc)
569 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
571 mode = ctx->cipher->flags & EVP_CIPH_MODE;
572 bits = ctx->key_len*8;
573 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
577 aes_t4_set_decrypt_key(key, bits, ctx->cipher_data);
578 dat->block = (block128_f)aes_t4_decrypt;
581 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
582 (cbc128_f)aes128_t4_cbc_decrypt :
586 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
587 (cbc128_f)aes192_t4_cbc_decrypt :
591 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
592 (cbc128_f)aes256_t4_cbc_decrypt :
601 aes_t4_set_encrypt_key(key, bits, ctx->cipher_data);
602 dat->block = (block128_f)aes_t4_encrypt;
605 if (mode==EVP_CIPH_CBC_MODE)
606 dat->stream.cbc = (cbc128_f)aes128_t4_cbc_encrypt;
607 else if (mode==EVP_CIPH_CTR_MODE)
608 dat->stream.ctr = (ctr128_f)aes128_t4_ctr32_encrypt;
610 dat->stream.cbc = NULL;
613 if (mode==EVP_CIPH_CBC_MODE)
614 dat->stream.cbc = (cbc128_f)aes192_t4_cbc_encrypt;
615 else if (mode==EVP_CIPH_CTR_MODE)
616 dat->stream.ctr = (ctr128_f)aes192_t4_ctr32_encrypt;
618 dat->stream.cbc = NULL;
621 if (mode==EVP_CIPH_CBC_MODE)
622 dat->stream.cbc = (cbc128_f)aes256_t4_cbc_encrypt;
623 else if (mode==EVP_CIPH_CTR_MODE)
624 dat->stream.ctr = (ctr128_f)aes256_t4_ctr32_encrypt;
626 dat->stream.cbc = NULL;
635 EVPerr(EVP_F_AES_T4_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
642 #define aes_t4_cbc_cipher aes_cbc_cipher
643 static int aes_t4_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
644 const unsigned char *in, size_t len);
646 #define aes_t4_ecb_cipher aes_ecb_cipher
647 static int aes_t4_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
648 const unsigned char *in, size_t len);
650 #define aes_t4_ofb_cipher aes_ofb_cipher
651 static int aes_t4_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
652 const unsigned char *in,size_t len);
654 #define aes_t4_cfb_cipher aes_cfb_cipher
655 static int aes_t4_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
656 const unsigned char *in,size_t len);
658 #define aes_t4_cfb8_cipher aes_cfb8_cipher
659 static int aes_t4_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
660 const unsigned char *in,size_t len);
662 #define aes_t4_cfb1_cipher aes_cfb1_cipher
663 static int aes_t4_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
664 const unsigned char *in,size_t len);
666 #define aes_t4_ctr_cipher aes_ctr_cipher
667 static int aes_t4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
668 const unsigned char *in, size_t len);
670 static int aes_t4_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
671 const unsigned char *iv, int enc)
673 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
678 int bits = ctx->key_len * 8;
679 aes_t4_set_encrypt_key(key, bits, &gctx->ks.ks);
680 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
681 (block128_f)aes_t4_encrypt);
684 gctx->ctr = (ctr128_f)aes128_t4_ctr32_encrypt;
687 gctx->ctr = (ctr128_f)aes192_t4_ctr32_encrypt;
690 gctx->ctr = (ctr128_f)aes256_t4_ctr32_encrypt;
695 /* If we have an iv can set it directly, otherwise use
698 if (iv == NULL && gctx->iv_set)
702 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
709 /* If key set use IV, otherwise copy */
711 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
713 memcpy(gctx->iv, iv, gctx->ivlen);
720 #define aes_t4_gcm_cipher aes_gcm_cipher
721 static int aes_t4_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
722 const unsigned char *in, size_t len);
724 static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
725 const unsigned char *iv, int enc)
727 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
733 int bits = ctx->key_len * 4;
735 /* key_len is two AES keys */
738 aes_t4_set_encrypt_key(key, bits, &xctx->ks1.ks);
739 xctx->xts.block1 = (block128_f)aes_t4_encrypt;
742 xctx->stream = aes128_t4_xts_encrypt;
746 xctx->stream = aes192_t4_xts_encrypt;
750 xctx->stream = aes256_t4_xts_encrypt;
758 aes_t4_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
759 xctx->xts.block1 = (block128_f)aes_t4_decrypt;
762 xctx->stream = aes128_t4_xts_decrypt;
766 xctx->stream = aes192_t4_xts_decrypt;
770 xctx->stream = aes256_t4_xts_decrypt;
777 aes_t4_set_encrypt_key(key + ctx->key_len/2,
778 ctx->key_len * 4, &xctx->ks2.ks);
779 xctx->xts.block2 = (block128_f)aes_t4_encrypt;
781 xctx->xts.key1 = &xctx->ks1;
786 xctx->xts.key2 = &xctx->ks2;
787 memcpy(ctx->iv, iv, 16);
793 #define aes_t4_xts_cipher aes_xts_cipher
794 static int aes_t4_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
795 const unsigned char *in, size_t len);
797 static int aes_t4_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
798 const unsigned char *iv, int enc)
800 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
805 int bits = ctx->key_len * 8;
806 aes_t4_set_encrypt_key(key, bits, &cctx->ks.ks);
807 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
808 &cctx->ks, (block128_f)aes_t4_encrypt);
812 cctx->str = enc?(ccm128_f)aes128_t4_ccm64_encrypt :
813 (ccm128_f)ae128_t4_ccm64_decrypt;
816 cctx->str = enc?(ccm128_f)aes192_t4_ccm64_encrypt :
817 (ccm128_f)ae192_t4_ccm64_decrypt;
820 cctx->str = enc?(ccm128_f)aes256_t4_ccm64_encrypt :
821 (ccm128_f)ae256_t4_ccm64_decrypt;
831 memcpy(ctx->iv, iv, 15 - cctx->L);
837 #define aes_t4_ccm_cipher aes_ccm_cipher
838 static int aes_t4_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
839 const unsigned char *in, size_t len);
841 #define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
842 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
843 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
844 flags|EVP_CIPH_##MODE##_MODE, \
846 aes_t4_##mode##_cipher, \
848 sizeof(EVP_AES_KEY), \
849 NULL,NULL,NULL,NULL }; \
850 static const EVP_CIPHER aes_##keylen##_##mode = { \
851 nid##_##keylen##_##nmode,blocksize, \
853 flags|EVP_CIPH_##MODE##_MODE, \
855 aes_##mode##_cipher, \
857 sizeof(EVP_AES_KEY), \
858 NULL,NULL,NULL,NULL }; \
859 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
860 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
862 #define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
863 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
864 nid##_##keylen##_##mode,blocksize, \
865 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
866 flags|EVP_CIPH_##MODE##_MODE, \
867 aes_t4_##mode##_init_key, \
868 aes_t4_##mode##_cipher, \
869 aes_##mode##_cleanup, \
870 sizeof(EVP_AES_##MODE##_CTX), \
871 NULL,NULL,aes_##mode##_ctrl,NULL }; \
872 static const EVP_CIPHER aes_##keylen##_##mode = { \
873 nid##_##keylen##_##mode,blocksize, \
874 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
875 flags|EVP_CIPH_##MODE##_MODE, \
876 aes_##mode##_init_key, \
877 aes_##mode##_cipher, \
878 aes_##mode##_cleanup, \
879 sizeof(EVP_AES_##MODE##_CTX), \
880 NULL,NULL,aes_##mode##_ctrl,NULL }; \
881 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
882 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
886 #define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
887 static const EVP_CIPHER aes_##keylen##_##mode = { \
888 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
889 flags|EVP_CIPH_##MODE##_MODE, \
891 aes_##mode##_cipher, \
893 sizeof(EVP_AES_KEY), \
894 NULL,NULL,NULL,NULL }; \
895 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
896 { return &aes_##keylen##_##mode; }
898 #define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
899 static const EVP_CIPHER aes_##keylen##_##mode = { \
900 nid##_##keylen##_##mode,blocksize, \
901 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
902 flags|EVP_CIPH_##MODE##_MODE, \
903 aes_##mode##_init_key, \
904 aes_##mode##_cipher, \
905 aes_##mode##_cleanup, \
906 sizeof(EVP_AES_##MODE##_CTX), \
907 NULL,NULL,aes_##mode##_ctrl,NULL }; \
908 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
909 { 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:
1208 /* Allocate memory for IV if needed */
1209 if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen))
1211 if (gctx->iv != c->iv)
1212 OPENSSL_free(gctx->iv);
1213 gctx->iv = OPENSSL_malloc(arg);
1220 case EVP_CTRL_GCM_SET_TAG:
1221 if (arg <= 0 || arg > 16 || c->encrypt)
1223 memcpy(c->buf, ptr, arg);
1227 case EVP_CTRL_GCM_GET_TAG:
1228 if (arg <= 0 || arg > 16 || !c->encrypt || gctx->taglen < 0)
1230 memcpy(ptr, c->buf, arg);
1233 case EVP_CTRL_GCM_SET_IV_FIXED:
1234 /* Special case: -1 length restores whole IV */
1237 memcpy(gctx->iv, ptr, gctx->ivlen);
1241 /* Fixed field must be at least 4 bytes and invocation field
1244 if ((arg < 4) || (gctx->ivlen - arg) < 8)
1247 memcpy(gctx->iv, ptr, arg);
1249 RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
1254 case EVP_CTRL_GCM_IV_GEN:
1255 if (gctx->iv_gen == 0 || gctx->key_set == 0)
1257 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1258 if (arg <= 0 || arg > gctx->ivlen)
1260 memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
1261 /* Invocation field will be at least 8 bytes in size and
1262 * so no need to check wrap around or increment more than
1265 ctr64_inc(gctx->iv + gctx->ivlen - 8);
1269 case EVP_CTRL_GCM_SET_IV_INV:
1270 if (gctx->iv_gen == 0 || gctx->key_set == 0 || c->encrypt)
1272 memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
1273 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1277 case EVP_CTRL_AEAD_TLS1_AAD:
1278 /* Save the AAD for later use */
1281 memcpy(c->buf, ptr, arg);
1282 gctx->tls_aad_len = arg;
1284 unsigned int len=c->buf[arg-2]<<8|c->buf[arg-1];
1285 /* Correct length for explicit IV */
1286 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
1287 /* If decrypting correct for tag too */
1289 len -= EVP_GCM_TLS_TAG_LEN;
1290 c->buf[arg-2] = len>>8;
1291 c->buf[arg-1] = len & 0xff;
1293 /* Extra padding: tag appended to record */
1294 return EVP_GCM_TLS_TAG_LEN;
1298 EVP_CIPHER_CTX *out = ptr;
1299 EVP_AES_GCM_CTX *gctx_out = out->cipher_data;
1302 if (gctx->gcm.key != &gctx->ks)
1304 gctx_out->gcm.key = &gctx_out->ks;
1306 if (gctx->iv == c->iv)
1307 gctx_out->iv = out->iv;
1310 gctx_out->iv = OPENSSL_malloc(gctx->ivlen);
1313 memcpy(gctx_out->iv, gctx->iv, gctx->ivlen);
1324 static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1325 const unsigned char *iv, int enc)
1327 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1332 #ifdef HWAES_CAPABLE
1335 HWAES_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
1336 CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
1337 (block128_f)HWAES_encrypt);
1338 #ifdef HWAES_ctr32_encrypt_blocks
1339 gctx->ctr = (ctr128_f)HWAES_ctr32_encrypt_blocks;
1347 #ifdef BSAES_CAPABLE
1350 AES_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
1351 CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
1352 (block128_f)AES_encrypt);
1353 gctx->ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
1358 #ifdef VPAES_CAPABLE
1361 vpaes_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
1362 CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
1363 (block128_f)vpaes_encrypt);
1369 (void)0; /* terminate potentially open 'else' */
1371 AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
1372 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f)AES_encrypt);
1374 gctx->ctr = (ctr128_f)AES_ctr32_encrypt;
1380 /* If we have an iv can set it directly, otherwise use
1383 if (iv == NULL && gctx->iv_set)
1387 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1394 /* If key set use IV, otherwise copy */
1396 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1398 memcpy(gctx->iv, iv, gctx->ivlen);
1405 /* Handle TLS GCM packet format. This consists of the last portion of the IV
1406 * followed by the payload and finally the tag. On encrypt generate IV,
1407 * encrypt payload and write the tag. On verify retrieve IV, decrypt payload
1411 static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1412 const unsigned char *in, size_t len)
1414 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1416 /* Encrypt/decrypt must be performed in place */
1417 if (out != in || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN+EVP_GCM_TLS_TAG_LEN))
1419 /* Set IV from start of buffer or generate IV and write to start
1422 if (EVP_CIPHER_CTX_ctrl(ctx, ctx->encrypt ?
1423 EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
1424 EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
1427 if (CRYPTO_gcm128_aad(&gctx->gcm, ctx->buf, gctx->tls_aad_len))
1429 /* Fix buffer and length to point to payload */
1430 in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1431 out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1432 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1435 /* Encrypt payload */
1439 #if defined(AES_GCM_ASM)
1440 if (len>=32 && AES_GCM_ASM(gctx))
1442 if (CRYPTO_gcm128_encrypt(&gctx->gcm,NULL,NULL,0))
1445 bulk = AES_gcm_encrypt(in,out,len,
1449 gctx->gcm.len.u[1] += bulk;
1452 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1461 #if defined(AES_GCM_ASM2)
1462 if (len>=32 && AES_GCM_ASM2(gctx))
1464 if (CRYPTO_gcm128_encrypt(&gctx->gcm,NULL,NULL,0))
1467 bulk = AES_gcm_encrypt(in,out,len,
1471 gctx->gcm.len.u[1] += bulk;
1474 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1481 /* Finally write tag */
1482 CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
1483 rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1491 #if defined(AES_GCM_ASM)
1492 if (len>=16 && AES_GCM_ASM(gctx))
1494 if (CRYPTO_gcm128_decrypt(&gctx->gcm,NULL,NULL,0))
1497 bulk = AES_gcm_decrypt(in,out,len,
1501 gctx->gcm.len.u[1] += bulk;
1504 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1513 #if defined(AES_GCM_ASM2)
1514 if (len>=16 && AES_GCM_ASM2(gctx))
1516 if (CRYPTO_gcm128_decrypt(&gctx->gcm,NULL,NULL,0))
1519 bulk = AES_gcm_decrypt(in,out,len,
1523 gctx->gcm.len.u[1] += bulk;
1526 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1533 CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf,
1534 EVP_GCM_TLS_TAG_LEN);
1535 /* If tag mismatch wipe buffer */
1536 if (memcmp(ctx->buf, in + len, EVP_GCM_TLS_TAG_LEN))
1538 OPENSSL_cleanse(out, len);
1546 gctx->tls_aad_len = -1;
1550 static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1551 const unsigned char *in, size_t len)
1553 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1554 /* If not set up, return error */
1558 if (gctx->tls_aad_len >= 0)
1559 return aes_gcm_tls_cipher(ctx, out, in, len);
1567 if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
1570 else if (ctx->encrypt)
1575 #if defined(AES_GCM_ASM)
1576 if (len>=32 && AES_GCM_ASM(gctx))
1578 size_t res = (16-gctx->gcm.mres)%16;
1580 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1584 bulk = AES_gcm_encrypt(in+res,
1585 out+res,len-res, gctx->gcm.key,
1588 gctx->gcm.len.u[1] += bulk;
1592 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1601 #if defined(AES_GCM_ASM2)
1602 if (len>=32 && AES_GCM_ASM2(gctx))
1604 size_t res = (16-gctx->gcm.mres)%16;
1606 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1610 bulk = AES_gcm_encrypt(in+res,
1611 out+res,len-res, gctx->gcm.key,
1614 gctx->gcm.len.u[1] += bulk;
1618 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1630 #if defined(AES_GCM_ASM)
1631 if (len>=16 && AES_GCM_ASM(gctx))
1633 size_t res = (16-gctx->gcm.mres)%16;
1635 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1639 bulk = AES_gcm_decrypt(in+res,
1644 gctx->gcm.len.u[1] += bulk;
1648 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1657 #if defined(AES_GCM_ASM2)
1658 if (len>=16 && AES_GCM_ASM2(gctx))
1660 size_t res = (16-gctx->gcm.mres)%16;
1662 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1666 bulk = AES_gcm_decrypt(in+res,
1671 gctx->gcm.len.u[1] += bulk;
1675 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1688 if (gctx->taglen < 0)
1690 if (CRYPTO_gcm128_finish(&gctx->gcm,
1691 ctx->buf, gctx->taglen) != 0)
1696 CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, 16);
1698 /* Don't reuse the IV */
1705 #define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
1706 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
1707 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
1708 | EVP_CIPH_CUSTOM_COPY)
1710 BLOCK_CIPHER_custom(NID_aes,128,1,12,gcm,GCM,
1711 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1712 BLOCK_CIPHER_custom(NID_aes,192,1,12,gcm,GCM,
1713 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1714 BLOCK_CIPHER_custom(NID_aes,256,1,12,gcm,GCM,
1715 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1717 static int aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1719 EVP_AES_XTS_CTX *xctx = c->cipher_data;
1720 if (type == EVP_CTRL_COPY)
1722 EVP_CIPHER_CTX *out = ptr;
1723 EVP_AES_XTS_CTX *xctx_out = out->cipher_data;
1726 if (xctx->xts.key1 != &xctx->ks1)
1728 xctx_out->xts.key1 = &xctx_out->ks1;
1732 if (xctx->xts.key2 != &xctx->ks2)
1734 xctx_out->xts.key2 = &xctx_out->ks2;
1738 else if (type != EVP_CTRL_INIT)
1740 /* key1 and key2 are used as an indicator both key and IV are set */
1741 xctx->xts.key1 = NULL;
1742 xctx->xts.key2 = NULL;
1746 static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1747 const unsigned char *iv, int enc)
1749 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
1756 xctx->stream = enc ? AES_xts_encrypt : AES_xts_decrypt;
1758 xctx->stream = NULL;
1760 /* key_len is two AES keys */
1761 #ifdef HWAES_CAPABLE
1766 HWAES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1767 xctx->xts.block1 = (block128_f)HWAES_encrypt;
1771 HWAES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1772 xctx->xts.block1 = (block128_f)HWAES_decrypt;
1775 HWAES_set_encrypt_key(key + ctx->key_len/2,
1776 ctx->key_len * 4, &xctx->ks2.ks);
1777 xctx->xts.block2 = (block128_f)HWAES_encrypt;
1779 xctx->xts.key1 = &xctx->ks1;
1784 #ifdef BSAES_CAPABLE
1786 xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt;
1789 #ifdef VPAES_CAPABLE
1794 vpaes_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1795 xctx->xts.block1 = (block128_f)vpaes_encrypt;
1799 vpaes_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1800 xctx->xts.block1 = (block128_f)vpaes_decrypt;
1803 vpaes_set_encrypt_key(key + ctx->key_len/2,
1804 ctx->key_len * 4, &xctx->ks2.ks);
1805 xctx->xts.block2 = (block128_f)vpaes_encrypt;
1807 xctx->xts.key1 = &xctx->ks1;
1812 (void)0; /* terminate potentially open 'else' */
1816 AES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1817 xctx->xts.block1 = (block128_f)AES_encrypt;
1821 AES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1822 xctx->xts.block1 = (block128_f)AES_decrypt;
1825 AES_set_encrypt_key(key + ctx->key_len/2,
1826 ctx->key_len * 4, &xctx->ks2.ks);
1827 xctx->xts.block2 = (block128_f)AES_encrypt;
1829 xctx->xts.key1 = &xctx->ks1;
1834 xctx->xts.key2 = &xctx->ks2;
1835 memcpy(ctx->iv, iv, 16);
1841 static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1842 const unsigned char *in, size_t len)
1844 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
1845 if (!xctx->xts.key1 || !xctx->xts.key2)
1847 if (!out || !in || len<AES_BLOCK_SIZE)
1850 (*xctx->stream)(in, out, len,
1851 xctx->xts.key1, xctx->xts.key2, ctx->iv);
1852 else if (CRYPTO_xts128_encrypt(&xctx->xts, ctx->iv, in, out, len,
1858 #define aes_xts_cleanup NULL
1860 #define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \
1861 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
1862 | EVP_CIPH_CUSTOM_COPY)
1864 BLOCK_CIPHER_custom(NID_aes,128,1,16,xts,XTS,EVP_CIPH_FLAG_FIPS|XTS_FLAGS)
1865 BLOCK_CIPHER_custom(NID_aes,256,1,16,xts,XTS,EVP_CIPH_FLAG_FIPS|XTS_FLAGS)
1867 static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1869 EVP_AES_CCM_CTX *cctx = c->cipher_data;
1881 case EVP_CTRL_CCM_SET_IVLEN:
1883 case EVP_CTRL_CCM_SET_L:
1884 if (arg < 2 || arg > 8)
1889 case EVP_CTRL_CCM_SET_TAG:
1890 if ((arg & 1) || arg < 4 || arg > 16)
1892 if ((c->encrypt && ptr) || (!c->encrypt && !ptr))
1897 memcpy(c->buf, ptr, arg);
1902 case EVP_CTRL_CCM_GET_TAG:
1903 if (!c->encrypt || !cctx->tag_set)
1905 if(!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
1914 EVP_CIPHER_CTX *out = ptr;
1915 EVP_AES_CCM_CTX *cctx_out = out->cipher_data;
1918 if (cctx->ccm.key != &cctx->ks)
1920 cctx_out->ccm.key = &cctx_out->ks;
1931 static int aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1932 const unsigned char *iv, int enc)
1934 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
1939 #ifdef HWAES_CAPABLE
1942 HWAES_set_encrypt_key(key,ctx->key_len*8,&cctx->ks.ks);
1944 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1945 &cctx->ks, (block128_f)HWAES_encrypt);
1952 #ifdef VPAES_CAPABLE
1955 vpaes_set_encrypt_key(key, ctx->key_len*8, &cctx->ks.ks);
1956 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1957 &cctx->ks, (block128_f)vpaes_encrypt);
1963 AES_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks);
1964 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1965 &cctx->ks, (block128_f)AES_encrypt);
1971 memcpy(ctx->iv, iv, 15 - cctx->L);
1977 static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1978 const unsigned char *in, size_t len)
1980 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
1981 CCM128_CONTEXT *ccm = &cctx->ccm;
1982 /* If not set up, return error */
1983 if (!cctx->iv_set && !cctx->key_set)
1985 if (!ctx->encrypt && !cctx->tag_set)
1991 if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L,len))
1996 /* If have AAD need message length */
1997 if (!cctx->len_set && len)
1999 CRYPTO_ccm128_aad(ccm, in, len);
2002 /* EVP_*Final() doesn't return any data */
2005 /* If not set length yet do it */
2008 if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len))
2014 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
2016 CRYPTO_ccm128_encrypt(ccm, in, out, len))
2024 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
2026 !CRYPTO_ccm128_decrypt(ccm, in, out, len))
2028 unsigned char tag[16];
2029 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M))
2031 if (!memcmp(tag, ctx->buf, cctx->M))
2036 OPENSSL_cleanse(out, len);
2045 #define aes_ccm_cleanup NULL
2047 BLOCK_CIPHER_custom(NID_aes,128,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
2048 BLOCK_CIPHER_custom(NID_aes,192,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
2049 BLOCK_CIPHER_custom(NID_aes,256,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
2054 union { double align; AES_KEY ks; } ks;
2055 /* Indicates if IV has been set */
2059 static int aes_wrap_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
2060 const unsigned char *iv, int enc)
2062 EVP_AES_WRAP_CTX *wctx = ctx->cipher_data;
2068 AES_set_encrypt_key(key, ctx->key_len * 8, &wctx->ks.ks);
2070 AES_set_decrypt_key(key, ctx->key_len * 8, &wctx->ks.ks);
2076 memcpy(ctx->iv, iv, 8);
2082 static int aes_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2083 const unsigned char *in, size_t inlen)
2085 EVP_AES_WRAP_CTX *wctx = ctx->cipher_data;
2091 if (ctx->encrypt && inlen < 8)
2093 if (!ctx->encrypt && inlen < 16)
2103 rv = CRYPTO_128_wrap(&wctx->ks.ks, wctx->iv, out, in, inlen,
2104 (block128_f)AES_encrypt);
2106 rv = CRYPTO_128_unwrap(&wctx->ks.ks, wctx->iv, out, in, inlen,
2107 (block128_f)AES_decrypt);
2108 return rv ? (int)rv : -1;
2111 #define WRAP_FLAGS (EVP_CIPH_WRAP_MODE \
2112 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
2113 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_FLAG_DEFAULT_ASN1)
2115 static const EVP_CIPHER aes_128_wrap = {
2117 8, 16, 8, WRAP_FLAGS,
2118 aes_wrap_init_key, aes_wrap_cipher,
2120 sizeof(EVP_AES_WRAP_CTX),
2121 NULL,NULL,NULL,NULL };
2123 const EVP_CIPHER *EVP_aes_128_wrap(void)
2125 return &aes_128_wrap;
2128 static const EVP_CIPHER aes_192_wrap = {
2130 8, 24, 8, WRAP_FLAGS,
2131 aes_wrap_init_key, aes_wrap_cipher,
2133 sizeof(EVP_AES_WRAP_CTX),
2134 NULL,NULL,NULL,NULL };
2136 const EVP_CIPHER *EVP_aes_192_wrap(void)
2138 return &aes_192_wrap;
2141 static const EVP_CIPHER aes_256_wrap = {
2143 8, 32, 8, WRAP_FLAGS,
2144 aes_wrap_init_key, aes_wrap_cipher,
2146 sizeof(EVP_AES_WRAP_CTX),
2147 NULL,NULL,NULL,NULL };
2149 const EVP_CIPHER *EVP_aes_256_wrap(void)
2151 return &aes_256_wrap;