1 /* ====================================================================
2 * Copyright (c) 2001-2011 The OpenSSL Project. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
16 * 3. All advertising materials mentioning features or use of this
17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 * endorse or promote products derived from this software without
23 * prior written permission. For written permission, please contact
24 * openssl-core@openssl.org.
26 * 5. Products derived from this software may not be called "OpenSSL"
27 * nor may "OpenSSL" appear in their names without prior written
28 * permission of the OpenSSL Project.
30 * 6. Redistributions of any form whatsoever must retain the following
32 * "This product includes software developed by the OpenSSL Project
33 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 * OF THE POSSIBILITY OF SUCH DAMAGE.
47 * ====================================================================
51 #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 extern unsigned int OPENSSL_ppccap_P;
160 # define VPAES_CAPABLE (OPENSSL_ppccap_P&(1<<1))
162 # define HWAES_CAPABLE (OPENSSL_ppccap_P&(1<<2))
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
170 #if defined(AES_ASM) && !defined(I386_ONLY) && ( \
171 ((defined(__i386) || defined(__i386__) || \
172 defined(_M_IX86)) && defined(OPENSSL_IA32_SSE2))|| \
173 defined(__x86_64) || defined(__x86_64__) || \
174 defined(_M_AMD64) || defined(_M_X64) || \
177 extern unsigned int OPENSSL_ia32cap_P[];
180 #define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
183 #define BSAES_CAPABLE VPAES_CAPABLE
188 #define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
190 int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
192 int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
195 void aesni_encrypt(const unsigned char *in, unsigned char *out,
197 void aesni_decrypt(const unsigned char *in, unsigned char *out,
200 void aesni_ecb_encrypt(const unsigned char *in,
205 void aesni_cbc_encrypt(const unsigned char *in,
209 unsigned char *ivec, int enc);
211 void aesni_ctr32_encrypt_blocks(const unsigned char *in,
215 const unsigned char *ivec);
217 void aesni_xts_encrypt(const unsigned char *in,
220 const AES_KEY *key1, const AES_KEY *key2,
221 const unsigned char iv[16]);
223 void aesni_xts_decrypt(const unsigned char *in,
226 const AES_KEY *key1, const AES_KEY *key2,
227 const unsigned char iv[16]);
229 void aesni_ccm64_encrypt_blocks (const unsigned char *in,
233 const unsigned char ivec[16],
234 unsigned char cmac[16]);
236 void aesni_ccm64_decrypt_blocks (const unsigned char *in,
240 const unsigned char ivec[16],
241 unsigned char cmac[16]);
243 #if defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
244 size_t aesni_gcm_encrypt(const unsigned char *in,
248 unsigned char ivec[16],
250 #define AES_gcm_encrypt aesni_gcm_encrypt
251 size_t aesni_gcm_decrypt(const unsigned char *in,
255 unsigned char ivec[16],
257 #define AES_gcm_decrypt aesni_gcm_decrypt
258 void gcm_ghash_avx(u64 Xi[2],const u128 Htable[16],const u8 *in,size_t len);
259 #define AES_GCM_ASM(gctx) (gctx->ctr==aesni_ctr32_encrypt_blocks && \
260 gctx->gcm.ghash==gcm_ghash_avx)
261 #define AES_GCM_ASM2(gctx) (gctx->gcm.block==(block128_f)aesni_encrypt && \
262 gctx->gcm.ghash==gcm_ghash_avx)
263 #undef AES_GCM_ASM2 /* minor size optimization */
266 static int aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
267 const unsigned char *iv, int enc)
270 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
272 mode = ctx->cipher->flags & EVP_CIPH_MODE;
273 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
276 ret = aesni_set_decrypt_key(key, ctx->key_len*8, ctx->cipher_data);
277 dat->block = (block128_f)aesni_decrypt;
278 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
279 (cbc128_f)aesni_cbc_encrypt :
283 ret = aesni_set_encrypt_key(key, ctx->key_len*8, ctx->cipher_data);
284 dat->block = (block128_f)aesni_encrypt;
285 if (mode==EVP_CIPH_CBC_MODE)
286 dat->stream.cbc = (cbc128_f)aesni_cbc_encrypt;
287 else if (mode==EVP_CIPH_CTR_MODE)
288 dat->stream.ctr = (ctr128_f)aesni_ctr32_encrypt_blocks;
290 dat->stream.cbc = NULL;
295 EVPerr(EVP_F_AESNI_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
302 static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
303 const unsigned char *in, size_t len)
305 aesni_cbc_encrypt(in,out,len,ctx->cipher_data,ctx->iv,ctx->encrypt);
310 static int aesni_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
311 const unsigned char *in, size_t len)
313 size_t bl = ctx->cipher->block_size;
315 if (len<bl) return 1;
317 aesni_ecb_encrypt(in,out,len,ctx->cipher_data,ctx->encrypt);
322 #define aesni_ofb_cipher aes_ofb_cipher
323 static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
324 const unsigned char *in,size_t len);
326 #define aesni_cfb_cipher aes_cfb_cipher
327 static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
328 const unsigned char *in,size_t len);
330 #define aesni_cfb8_cipher aes_cfb8_cipher
331 static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
332 const unsigned char *in,size_t len);
334 #define aesni_cfb1_cipher aes_cfb1_cipher
335 static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
336 const unsigned char *in,size_t len);
338 #define aesni_ctr_cipher aes_ctr_cipher
339 static int aesni_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
340 const unsigned char *in, size_t len);
342 static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
343 const unsigned char *iv, int enc)
345 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
350 aesni_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
351 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
352 (block128_f)aesni_encrypt);
353 gctx->ctr = (ctr128_f)aesni_ctr32_encrypt_blocks;
354 /* If we have an iv can set it directly, otherwise use
357 if (iv == NULL && gctx->iv_set)
361 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
368 /* If key set use IV, otherwise copy */
370 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
372 memcpy(gctx->iv, iv, gctx->ivlen);
379 #define aesni_gcm_cipher aes_gcm_cipher
380 static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
381 const unsigned char *in, size_t len);
383 static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
384 const unsigned char *iv, int enc)
386 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
392 /* key_len is two AES keys */
395 aesni_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
396 xctx->xts.block1 = (block128_f)aesni_encrypt;
397 xctx->stream = aesni_xts_encrypt;
401 aesni_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
402 xctx->xts.block1 = (block128_f)aesni_decrypt;
403 xctx->stream = aesni_xts_decrypt;
406 aesni_set_encrypt_key(key + ctx->key_len/2,
407 ctx->key_len * 4, &xctx->ks2.ks);
408 xctx->xts.block2 = (block128_f)aesni_encrypt;
410 xctx->xts.key1 = &xctx->ks1;
415 xctx->xts.key2 = &xctx->ks2;
416 memcpy(ctx->iv, iv, 16);
422 #define aesni_xts_cipher aes_xts_cipher
423 static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
424 const unsigned char *in, size_t len);
426 static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
427 const unsigned char *iv, int enc)
429 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
434 aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks);
435 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
436 &cctx->ks, (block128_f)aesni_encrypt);
437 cctx->str = enc?(ccm128_f)aesni_ccm64_encrypt_blocks :
438 (ccm128_f)aesni_ccm64_decrypt_blocks;
443 memcpy(ctx->iv, iv, 15 - cctx->L);
449 #define aesni_ccm_cipher aes_ccm_cipher
450 static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
451 const unsigned char *in, size_t len);
453 #define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
454 static const EVP_CIPHER aesni_##keylen##_##mode = { \
455 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
456 flags|EVP_CIPH_##MODE##_MODE, \
458 aesni_##mode##_cipher, \
460 sizeof(EVP_AES_KEY), \
461 NULL,NULL,NULL,NULL }; \
462 static const EVP_CIPHER aes_##keylen##_##mode = { \
463 nid##_##keylen##_##nmode,blocksize, \
465 flags|EVP_CIPH_##MODE##_MODE, \
467 aes_##mode##_cipher, \
469 sizeof(EVP_AES_KEY), \
470 NULL,NULL,NULL,NULL }; \
471 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
472 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
474 #define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
475 static const EVP_CIPHER aesni_##keylen##_##mode = { \
476 nid##_##keylen##_##mode,blocksize, \
477 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
478 flags|EVP_CIPH_##MODE##_MODE, \
479 aesni_##mode##_init_key, \
480 aesni_##mode##_cipher, \
481 aes_##mode##_cleanup, \
482 sizeof(EVP_AES_##MODE##_CTX), \
483 NULL,NULL,aes_##mode##_ctrl,NULL }; \
484 static const EVP_CIPHER aes_##keylen##_##mode = { \
485 nid##_##keylen##_##mode,blocksize, \
486 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
487 flags|EVP_CIPH_##MODE##_MODE, \
488 aes_##mode##_init_key, \
489 aes_##mode##_cipher, \
490 aes_##mode##_cleanup, \
491 sizeof(EVP_AES_##MODE##_CTX), \
492 NULL,NULL,aes_##mode##_ctrl,NULL }; \
493 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
494 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
496 #elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
498 #include "sparc_arch.h"
500 extern unsigned int OPENSSL_sparcv9cap_P[];
502 #define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES)
504 void aes_t4_set_encrypt_key (const unsigned char *key, int bits,
506 void aes_t4_set_decrypt_key (const unsigned char *key, int bits,
508 void aes_t4_encrypt (const unsigned char *in, unsigned char *out,
510 void aes_t4_decrypt (const unsigned char *in, unsigned char *out,
513 * Key-length specific subroutines were chosen for following reason.
514 * Each SPARC T4 core can execute up to 8 threads which share core's
515 * resources. Loading as much key material to registers allows to
516 * minimize references to shared memory interface, as well as amount
517 * of instructions in inner loops [much needed on T4]. But then having
518 * non-key-length specific routines would require conditional branches
519 * either in inner loops or on subroutines' entries. Former is hardly
520 * acceptable, while latter means code size increase to size occupied
521 * by multiple key-length specfic subroutines, so why fight?
523 void aes128_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
524 size_t len, const AES_KEY *key,
525 unsigned char *ivec);
526 void aes128_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
527 size_t len, const AES_KEY *key,
528 unsigned char *ivec);
529 void aes192_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
530 size_t len, const AES_KEY *key,
531 unsigned char *ivec);
532 void aes192_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
533 size_t len, const AES_KEY *key,
534 unsigned char *ivec);
535 void aes256_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
536 size_t len, const AES_KEY *key,
537 unsigned char *ivec);
538 void aes256_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
539 size_t len, const AES_KEY *key,
540 unsigned char *ivec);
541 void aes128_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
542 size_t blocks, const AES_KEY *key,
543 unsigned char *ivec);
544 void aes192_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
545 size_t blocks, const AES_KEY *key,
546 unsigned char *ivec);
547 void aes256_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
548 size_t blocks, const AES_KEY *key,
549 unsigned char *ivec);
550 void aes128_t4_xts_encrypt (const unsigned char *in, unsigned char *out,
551 size_t blocks, const AES_KEY *key1,
552 const AES_KEY *key2, const unsigned char *ivec);
553 void aes128_t4_xts_decrypt (const unsigned char *in, unsigned char *out,
554 size_t blocks, const AES_KEY *key1,
555 const AES_KEY *key2, const unsigned char *ivec);
556 void aes256_t4_xts_encrypt (const unsigned char *in, unsigned char *out,
557 size_t blocks, const AES_KEY *key1,
558 const AES_KEY *key2, const unsigned char *ivec);
559 void aes256_t4_xts_decrypt (const unsigned char *in, unsigned char *out,
560 size_t blocks, const AES_KEY *key1,
561 const AES_KEY *key2, const unsigned char *ivec);
563 static int aes_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
564 const unsigned char *iv, int enc)
567 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
569 mode = ctx->cipher->flags & EVP_CIPH_MODE;
570 bits = ctx->key_len*8;
571 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
575 aes_t4_set_decrypt_key(key, bits, ctx->cipher_data);
576 dat->block = (block128_f)aes_t4_decrypt;
579 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
580 (cbc128_f)aes128_t4_cbc_decrypt :
584 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
585 (cbc128_f)aes192_t4_cbc_decrypt :
589 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
590 (cbc128_f)aes256_t4_cbc_decrypt :
599 aes_t4_set_encrypt_key(key, bits, ctx->cipher_data);
600 dat->block = (block128_f)aes_t4_encrypt;
603 if (mode==EVP_CIPH_CBC_MODE)
604 dat->stream.cbc = (cbc128_f)aes128_t4_cbc_encrypt;
605 else if (mode==EVP_CIPH_CTR_MODE)
606 dat->stream.ctr = (ctr128_f)aes128_t4_ctr32_encrypt;
608 dat->stream.cbc = NULL;
611 if (mode==EVP_CIPH_CBC_MODE)
612 dat->stream.cbc = (cbc128_f)aes192_t4_cbc_encrypt;
613 else if (mode==EVP_CIPH_CTR_MODE)
614 dat->stream.ctr = (ctr128_f)aes192_t4_ctr32_encrypt;
616 dat->stream.cbc = NULL;
619 if (mode==EVP_CIPH_CBC_MODE)
620 dat->stream.cbc = (cbc128_f)aes256_t4_cbc_encrypt;
621 else if (mode==EVP_CIPH_CTR_MODE)
622 dat->stream.ctr = (ctr128_f)aes256_t4_ctr32_encrypt;
624 dat->stream.cbc = NULL;
633 EVPerr(EVP_F_AES_T4_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
640 #define aes_t4_cbc_cipher aes_cbc_cipher
641 static int aes_t4_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
642 const unsigned char *in, size_t len);
644 #define aes_t4_ecb_cipher aes_ecb_cipher
645 static int aes_t4_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
646 const unsigned char *in, size_t len);
648 #define aes_t4_ofb_cipher aes_ofb_cipher
649 static int aes_t4_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
650 const unsigned char *in,size_t len);
652 #define aes_t4_cfb_cipher aes_cfb_cipher
653 static int aes_t4_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
654 const unsigned char *in,size_t len);
656 #define aes_t4_cfb8_cipher aes_cfb8_cipher
657 static int aes_t4_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
658 const unsigned char *in,size_t len);
660 #define aes_t4_cfb1_cipher aes_cfb1_cipher
661 static int aes_t4_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
662 const unsigned char *in,size_t len);
664 #define aes_t4_ctr_cipher aes_ctr_cipher
665 static int aes_t4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
666 const unsigned char *in, size_t len);
668 static int aes_t4_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
669 const unsigned char *iv, int enc)
671 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
676 int bits = ctx->key_len * 8;
677 aes_t4_set_encrypt_key(key, bits, &gctx->ks.ks);
678 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
679 (block128_f)aes_t4_encrypt);
682 gctx->ctr = (ctr128_f)aes128_t4_ctr32_encrypt;
685 gctx->ctr = (ctr128_f)aes192_t4_ctr32_encrypt;
688 gctx->ctr = (ctr128_f)aes256_t4_ctr32_encrypt;
693 /* If we have an iv can set it directly, otherwise use
696 if (iv == NULL && gctx->iv_set)
700 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
707 /* If key set use IV, otherwise copy */
709 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
711 memcpy(gctx->iv, iv, gctx->ivlen);
718 #define aes_t4_gcm_cipher aes_gcm_cipher
719 static int aes_t4_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
720 const unsigned char *in, size_t len);
722 static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
723 const unsigned char *iv, int enc)
725 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
731 int bits = ctx->key_len * 4;
733 /* key_len is two AES keys */
736 aes_t4_set_encrypt_key(key, bits, &xctx->ks1.ks);
737 xctx->xts.block1 = (block128_f)aes_t4_encrypt;
740 xctx->stream = aes128_t4_xts_encrypt;
744 xctx->stream = aes192_t4_xts_encrypt;
748 xctx->stream = aes256_t4_xts_encrypt;
756 aes_t4_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
757 xctx->xts.block1 = (block128_f)aes_t4_decrypt;
760 xctx->stream = aes128_t4_xts_decrypt;
764 xctx->stream = aes192_t4_xts_decrypt;
768 xctx->stream = aes256_t4_xts_decrypt;
775 aes_t4_set_encrypt_key(key + ctx->key_len/2,
776 ctx->key_len * 4, &xctx->ks2.ks);
777 xctx->xts.block2 = (block128_f)aes_t4_encrypt;
779 xctx->xts.key1 = &xctx->ks1;
784 xctx->xts.key2 = &xctx->ks2;
785 memcpy(ctx->iv, iv, 16);
791 #define aes_t4_xts_cipher aes_xts_cipher
792 static int aes_t4_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
793 const unsigned char *in, size_t len);
795 static int aes_t4_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
796 const unsigned char *iv, int enc)
798 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
803 int bits = ctx->key_len * 8;
804 aes_t4_set_encrypt_key(key, bits, &cctx->ks.ks);
805 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
806 &cctx->ks, (block128_f)aes_t4_encrypt);
810 cctx->str = enc?(ccm128_f)aes128_t4_ccm64_encrypt :
811 (ccm128_f)ae128_t4_ccm64_decrypt;
814 cctx->str = enc?(ccm128_f)aes192_t4_ccm64_encrypt :
815 (ccm128_f)ae192_t4_ccm64_decrypt;
818 cctx->str = enc?(ccm128_f)aes256_t4_ccm64_encrypt :
819 (ccm128_f)ae256_t4_ccm64_decrypt;
829 memcpy(ctx->iv, iv, 15 - cctx->L);
835 #define aes_t4_ccm_cipher aes_ccm_cipher
836 static int aes_t4_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
837 const unsigned char *in, size_t len);
839 #define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
840 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
841 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
842 flags|EVP_CIPH_##MODE##_MODE, \
844 aes_t4_##mode##_cipher, \
846 sizeof(EVP_AES_KEY), \
847 NULL,NULL,NULL,NULL }; \
848 static const EVP_CIPHER aes_##keylen##_##mode = { \
849 nid##_##keylen##_##nmode,blocksize, \
851 flags|EVP_CIPH_##MODE##_MODE, \
853 aes_##mode##_cipher, \
855 sizeof(EVP_AES_KEY), \
856 NULL,NULL,NULL,NULL }; \
857 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
858 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
860 #define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
861 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
862 nid##_##keylen##_##mode,blocksize, \
863 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
864 flags|EVP_CIPH_##MODE##_MODE, \
865 aes_t4_##mode##_init_key, \
866 aes_t4_##mode##_cipher, \
867 aes_##mode##_cleanup, \
868 sizeof(EVP_AES_##MODE##_CTX), \
869 NULL,NULL,aes_##mode##_ctrl,NULL }; \
870 static const EVP_CIPHER aes_##keylen##_##mode = { \
871 nid##_##keylen##_##mode,blocksize, \
872 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
873 flags|EVP_CIPH_##MODE##_MODE, \
874 aes_##mode##_init_key, \
875 aes_##mode##_cipher, \
876 aes_##mode##_cleanup, \
877 sizeof(EVP_AES_##MODE##_CTX), \
878 NULL,NULL,aes_##mode##_ctrl,NULL }; \
879 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
880 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
884 #define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
885 static const EVP_CIPHER aes_##keylen##_##mode = { \
886 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
887 flags|EVP_CIPH_##MODE##_MODE, \
889 aes_##mode##_cipher, \
891 sizeof(EVP_AES_KEY), \
892 NULL,NULL,NULL,NULL }; \
893 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
894 { return &aes_##keylen##_##mode; }
896 #define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
897 static const EVP_CIPHER aes_##keylen##_##mode = { \
898 nid##_##keylen##_##mode,blocksize, \
899 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
900 flags|EVP_CIPH_##MODE##_MODE, \
901 aes_##mode##_init_key, \
902 aes_##mode##_cipher, \
903 aes_##mode##_cleanup, \
904 sizeof(EVP_AES_##MODE##_CTX), \
905 NULL,NULL,aes_##mode##_ctrl,NULL }; \
906 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
907 { return &aes_##keylen##_##mode; }
911 #if defined(OPENSSL_CPUID_OBJ) && (defined(__arm__) || defined(__arm) || defined(__aarch64__))
912 #include "arm_arch.h"
914 # if defined(BSAES_ASM)
915 # define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
917 # define HWAES_CAPABLE (OPENSSL_armcap_P & ARMV8_AES)
918 # define HWAES_set_encrypt_key aes_v8_set_encrypt_key
919 # define HWAES_set_decrypt_key aes_v8_set_decrypt_key
920 # define HWAES_encrypt aes_v8_encrypt
921 # define HWAES_decrypt aes_v8_decrypt
922 # define HWAES_cbc_encrypt aes_v8_cbc_encrypt
923 # define HWAES_ctr32_encrypt_blocks aes_v8_ctr32_encrypt_blocks
927 #if defined(HWAES_CAPABLE)
928 int HWAES_set_encrypt_key(const unsigned char *userKey, const int bits,
930 int HWAES_set_decrypt_key(const unsigned char *userKey, const int bits,
932 void HWAES_encrypt(const unsigned char *in, unsigned char *out,
934 void HWAES_decrypt(const unsigned char *in, unsigned char *out,
936 void HWAES_cbc_encrypt(const unsigned char *in, unsigned char *out,
937 size_t length, const AES_KEY *key,
938 unsigned char *ivec, const int enc);
939 void HWAES_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
940 size_t len, const AES_KEY *key, const unsigned char ivec[16]);
943 #define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
944 BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
945 BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
946 BLOCK_CIPHER_generic(nid,keylen,1,16,ofb128,ofb,OFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
947 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb128,cfb,CFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
948 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb1,cfb1,CFB,flags) \
949 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags) \
950 BLOCK_CIPHER_generic(nid,keylen,1,16,ctr,ctr,CTR,flags)
952 static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
953 const unsigned char *iv, int enc)
956 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
958 mode = ctx->cipher->flags & EVP_CIPH_MODE;
959 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
964 ret = HWAES_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
965 dat->block = (block128_f)HWAES_decrypt;
966 dat->stream.cbc = NULL;
967 #ifdef HWAES_cbc_encrypt
968 if (mode==EVP_CIPH_CBC_MODE)
969 dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
975 if (BSAES_CAPABLE && mode==EVP_CIPH_CBC_MODE)
977 ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
978 dat->block = (block128_f)AES_decrypt;
979 dat->stream.cbc = (cbc128_f)bsaes_cbc_encrypt;
986 ret = vpaes_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
987 dat->block = (block128_f)vpaes_decrypt;
988 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
989 (cbc128_f)vpaes_cbc_encrypt :
995 ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
996 dat->block = (block128_f)AES_decrypt;
997 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
998 (cbc128_f)AES_cbc_encrypt :
1002 #ifdef HWAES_CAPABLE
1005 ret = HWAES_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
1006 dat->block = (block128_f)HWAES_encrypt;
1007 dat->stream.cbc = NULL;
1008 #ifdef HWAES_cbc_encrypt
1009 if (mode==EVP_CIPH_CBC_MODE)
1010 dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
1013 #ifdef HWAES_ctr32_encrypt_blocks
1014 if (mode==EVP_CIPH_CTR_MODE)
1015 dat->stream.ctr = (ctr128_f)HWAES_ctr32_encrypt_blocks;
1018 (void)0; /* terminate potentially open 'else' */
1022 #ifdef BSAES_CAPABLE
1023 if (BSAES_CAPABLE && mode==EVP_CIPH_CTR_MODE)
1025 ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
1026 dat->block = (block128_f)AES_encrypt;
1027 dat->stream.ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
1031 #ifdef VPAES_CAPABLE
1034 ret = vpaes_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
1035 dat->block = (block128_f)vpaes_encrypt;
1036 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
1037 (cbc128_f)vpaes_cbc_encrypt :
1043 ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
1044 dat->block = (block128_f)AES_encrypt;
1045 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
1046 (cbc128_f)AES_cbc_encrypt :
1049 if (mode==EVP_CIPH_CTR_MODE)
1050 dat->stream.ctr = (ctr128_f)AES_ctr32_encrypt;
1056 EVPerr(EVP_F_AES_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
1063 static int aes_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
1064 const unsigned char *in, size_t len)
1066 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1068 if (dat->stream.cbc)
1069 (*dat->stream.cbc)(in,out,len,&dat->ks,ctx->iv,ctx->encrypt);
1070 else if (ctx->encrypt)
1071 CRYPTO_cbc128_encrypt(in,out,len,&dat->ks,ctx->iv,dat->block);
1073 CRYPTO_cbc128_decrypt(in,out,len,&dat->ks,ctx->iv,dat->block);
1078 static int aes_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
1079 const unsigned char *in, size_t len)
1081 size_t bl = ctx->cipher->block_size;
1083 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1085 if (len<bl) return 1;
1087 for (i=0,len-=bl;i<=len;i+=bl)
1088 (*dat->block)(in+i,out+i,&dat->ks);
1093 static int aes_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
1094 const unsigned char *in,size_t len)
1096 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1098 CRYPTO_ofb128_encrypt(in,out,len,&dat->ks,
1099 ctx->iv,&ctx->num,dat->block);
1103 static int aes_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
1104 const unsigned char *in,size_t len)
1106 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1108 CRYPTO_cfb128_encrypt(in,out,len,&dat->ks,
1109 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
1113 static int aes_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
1114 const unsigned char *in,size_t len)
1116 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1118 CRYPTO_cfb128_8_encrypt(in,out,len,&dat->ks,
1119 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
1123 static int aes_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
1124 const unsigned char *in,size_t len)
1126 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1128 if (ctx->flags&EVP_CIPH_FLAG_LENGTH_BITS) {
1129 CRYPTO_cfb128_1_encrypt(in,out,len,&dat->ks,
1130 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
1134 while (len>=MAXBITCHUNK) {
1135 CRYPTO_cfb128_1_encrypt(in,out,MAXBITCHUNK*8,&dat->ks,
1136 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
1140 CRYPTO_cfb128_1_encrypt(in,out,len*8,&dat->ks,
1141 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
1146 static int aes_ctr_cipher (EVP_CIPHER_CTX *ctx, unsigned char *out,
1147 const unsigned char *in, size_t len)
1149 unsigned int num = ctx->num;
1150 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1152 if (dat->stream.ctr)
1153 CRYPTO_ctr128_encrypt_ctr32(in,out,len,&dat->ks,
1154 ctx->iv,ctx->buf,&num,dat->stream.ctr);
1156 CRYPTO_ctr128_encrypt(in,out,len,&dat->ks,
1157 ctx->iv,ctx->buf,&num,dat->block);
1158 ctx->num = (size_t)num;
1162 BLOCK_CIPHER_generic_pack(NID_aes,128,EVP_CIPH_FLAG_FIPS)
1163 BLOCK_CIPHER_generic_pack(NID_aes,192,EVP_CIPH_FLAG_FIPS)
1164 BLOCK_CIPHER_generic_pack(NID_aes,256,EVP_CIPH_FLAG_FIPS)
1166 static int aes_gcm_cleanup(EVP_CIPHER_CTX *c)
1168 EVP_AES_GCM_CTX *gctx = c->cipher_data;
1169 OPENSSL_cleanse(&gctx->gcm, sizeof(gctx->gcm));
1170 if (gctx->iv != c->iv)
1171 OPENSSL_free(gctx->iv);
1175 /* increment counter (64-bit int) by 1 */
1176 static void ctr64_inc(unsigned char *counter) {
1189 static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1191 EVP_AES_GCM_CTX *gctx = c->cipher_data;
1197 gctx->ivlen = c->cipher->iv_len;
1201 gctx->tls_aad_len = -1;
1204 case EVP_CTRL_GCM_SET_IVLEN:
1208 if (FIPS_module_mode() && !(c->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW)
1212 /* Allocate memory for IV if needed */
1213 if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen))
1215 if (gctx->iv != c->iv)
1216 OPENSSL_free(gctx->iv);
1217 gctx->iv = OPENSSL_malloc(arg);
1224 case EVP_CTRL_GCM_SET_TAG:
1225 if (arg <= 0 || arg > 16 || c->encrypt)
1227 memcpy(c->buf, ptr, arg);
1231 case EVP_CTRL_GCM_GET_TAG:
1232 if (arg <= 0 || arg > 16 || !c->encrypt || gctx->taglen < 0)
1234 memcpy(ptr, c->buf, arg);
1237 case EVP_CTRL_GCM_SET_IV_FIXED:
1238 /* Special case: -1 length restores whole IV */
1241 memcpy(gctx->iv, ptr, gctx->ivlen);
1245 /* Fixed field must be at least 4 bytes and invocation field
1248 if ((arg < 4) || (gctx->ivlen - arg) < 8)
1251 memcpy(gctx->iv, ptr, arg);
1253 RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
1258 case EVP_CTRL_GCM_IV_GEN:
1259 if (gctx->iv_gen == 0 || gctx->key_set == 0)
1261 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1262 if (arg <= 0 || arg > gctx->ivlen)
1264 memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
1265 /* Invocation field will be at least 8 bytes in size and
1266 * so no need to check wrap around or increment more than
1269 ctr64_inc(gctx->iv + gctx->ivlen - 8);
1273 case EVP_CTRL_GCM_SET_IV_INV:
1274 if (gctx->iv_gen == 0 || gctx->key_set == 0 || c->encrypt)
1276 memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
1277 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1281 case EVP_CTRL_AEAD_TLS1_AAD:
1282 /* Save the AAD for later use */
1285 memcpy(c->buf, ptr, arg);
1286 gctx->tls_aad_len = arg;
1288 unsigned int len=c->buf[arg-2]<<8|c->buf[arg-1];
1289 /* Correct length for explicit IV */
1290 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
1291 /* If decrypting correct for tag too */
1293 len -= EVP_GCM_TLS_TAG_LEN;
1294 c->buf[arg-2] = len>>8;
1295 c->buf[arg-1] = len & 0xff;
1297 /* Extra padding: tag appended to record */
1298 return EVP_GCM_TLS_TAG_LEN;
1306 static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1307 const unsigned char *iv, int enc)
1309 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1314 #ifdef HWAES_CAPABLE
1317 HWAES_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
1318 CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
1319 (block128_f)HWAES_encrypt);
1320 #ifdef HWAES_ctr32_encrypt_blocks
1321 gctx->ctr = (ctr128_f)HWAES_ctr32_encrypt_blocks;
1329 #ifdef BSAES_CAPABLE
1332 AES_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
1333 CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
1334 (block128_f)AES_encrypt);
1335 gctx->ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
1340 #ifdef VPAES_CAPABLE
1343 vpaes_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
1344 CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
1345 (block128_f)vpaes_encrypt);
1351 (void)0; /* terminate potentially open 'else' */
1353 AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
1354 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f)AES_encrypt);
1356 gctx->ctr = (ctr128_f)AES_ctr32_encrypt;
1362 /* If we have an iv can set it directly, otherwise use
1365 if (iv == NULL && gctx->iv_set)
1369 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1376 /* If key set use IV, otherwise copy */
1378 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1380 memcpy(gctx->iv, iv, gctx->ivlen);
1387 /* Handle TLS GCM packet format. This consists of the last portion of the IV
1388 * followed by the payload and finally the tag. On encrypt generate IV,
1389 * encrypt payload and write the tag. On verify retrieve IV, decrypt payload
1393 static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1394 const unsigned char *in, size_t len)
1396 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1398 /* Encrypt/decrypt must be performed in place */
1399 if (out != in || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN+EVP_GCM_TLS_TAG_LEN))
1401 /* Set IV from start of buffer or generate IV and write to start
1404 if (EVP_CIPHER_CTX_ctrl(ctx, ctx->encrypt ?
1405 EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
1406 EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
1409 if (CRYPTO_gcm128_aad(&gctx->gcm, ctx->buf, gctx->tls_aad_len))
1411 /* Fix buffer and length to point to payload */
1412 in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1413 out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1414 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1417 /* Encrypt payload */
1421 #if defined(AES_GCM_ASM)
1422 if (len>=32 && AES_GCM_ASM(gctx))
1424 if (CRYPTO_gcm128_encrypt(&gctx->gcm,NULL,NULL,0))
1427 bulk = AES_gcm_encrypt(in,out,len,
1431 gctx->gcm.len.u[1] += bulk;
1434 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1443 #if defined(AES_GCM_ASM2)
1444 if (len>=32 && AES_GCM_ASM2(gctx))
1446 if (CRYPTO_gcm128_encrypt(&gctx->gcm,NULL,NULL,0))
1449 bulk = AES_gcm_encrypt(in,out,len,
1453 gctx->gcm.len.u[1] += bulk;
1456 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1463 /* Finally write tag */
1464 CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
1465 rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1473 #if defined(AES_GCM_ASM)
1474 if (len>=16 && AES_GCM_ASM(gctx))
1476 if (CRYPTO_gcm128_decrypt(&gctx->gcm,NULL,NULL,0))
1479 bulk = AES_gcm_decrypt(in,out,len,
1483 gctx->gcm.len.u[1] += bulk;
1486 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1495 #if defined(AES_GCM_ASM2)
1496 if (len>=16 && AES_GCM_ASM2(gctx))
1498 if (CRYPTO_gcm128_decrypt(&gctx->gcm,NULL,NULL,0))
1501 bulk = AES_gcm_decrypt(in,out,len,
1505 gctx->gcm.len.u[1] += bulk;
1508 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1515 CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf,
1516 EVP_GCM_TLS_TAG_LEN);
1517 /* If tag mismatch wipe buffer */
1518 if (memcmp(ctx->buf, in + len, EVP_GCM_TLS_TAG_LEN))
1520 OPENSSL_cleanse(out, len);
1528 gctx->tls_aad_len = -1;
1532 static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1533 const unsigned char *in, size_t len)
1535 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1536 /* If not set up, return error */
1540 if (gctx->tls_aad_len >= 0)
1541 return aes_gcm_tls_cipher(ctx, out, in, len);
1549 if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
1552 else if (ctx->encrypt)
1557 #if defined(AES_GCM_ASM)
1558 if (len>=32 && AES_GCM_ASM(gctx))
1560 size_t res = (16-gctx->gcm.mres)%16;
1562 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1566 bulk = AES_gcm_encrypt(in+res,
1567 out+res,len-res, gctx->gcm.key,
1570 gctx->gcm.len.u[1] += bulk;
1574 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1583 #if defined(AES_GCM_ASM2)
1584 if (len>=32 && AES_GCM_ASM2(gctx))
1586 size_t res = (16-gctx->gcm.mres)%16;
1588 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1592 bulk = AES_gcm_encrypt(in+res,
1593 out+res,len-res, gctx->gcm.key,
1596 gctx->gcm.len.u[1] += bulk;
1600 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1612 #if defined(AES_GCM_ASM)
1613 if (len>=16 && AES_GCM_ASM(gctx))
1615 size_t res = (16-gctx->gcm.mres)%16;
1617 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1621 bulk = AES_gcm_decrypt(in+res,
1626 gctx->gcm.len.u[1] += bulk;
1630 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1639 #if defined(AES_GCM_ASM2)
1640 if (len>=16 && AES_GCM_ASM2(gctx))
1642 size_t res = (16-gctx->gcm.mres)%16;
1644 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1648 bulk = AES_gcm_decrypt(in+res,
1653 gctx->gcm.len.u[1] += bulk;
1657 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1670 if (gctx->taglen < 0)
1672 if (CRYPTO_gcm128_finish(&gctx->gcm,
1673 ctx->buf, gctx->taglen) != 0)
1678 CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, 16);
1680 /* Don't reuse the IV */
1687 #define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
1688 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
1689 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT)
1691 BLOCK_CIPHER_custom(NID_aes,128,1,12,gcm,GCM,
1692 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1693 BLOCK_CIPHER_custom(NID_aes,192,1,12,gcm,GCM,
1694 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1695 BLOCK_CIPHER_custom(NID_aes,256,1,12,gcm,GCM,
1696 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1698 static int aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1700 EVP_AES_XTS_CTX *xctx = c->cipher_data;
1701 if (type != EVP_CTRL_INIT)
1703 /* key1 and key2 are used as an indicator both key and IV are set */
1704 xctx->xts.key1 = NULL;
1705 xctx->xts.key2 = NULL;
1709 static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1710 const unsigned char *iv, int enc)
1712 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
1719 xctx->stream = enc ? AES_xts_encrypt : AES_xts_decrypt;
1721 xctx->stream = NULL;
1723 /* key_len is two AES keys */
1724 #ifdef HWAES_CAPABLE
1729 HWAES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1730 xctx->xts.block1 = (block128_f)HWAES_encrypt;
1734 HWAES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1735 xctx->xts.block1 = (block128_f)HWAES_decrypt;
1738 HWAES_set_encrypt_key(key + ctx->key_len/2,
1739 ctx->key_len * 4, &xctx->ks2.ks);
1740 xctx->xts.block2 = (block128_f)HWAES_encrypt;
1742 xctx->xts.key1 = &xctx->ks1;
1747 #ifdef BSAES_CAPABLE
1749 xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt;
1752 #ifdef VPAES_CAPABLE
1757 vpaes_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1758 xctx->xts.block1 = (block128_f)vpaes_encrypt;
1762 vpaes_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1763 xctx->xts.block1 = (block128_f)vpaes_decrypt;
1766 vpaes_set_encrypt_key(key + ctx->key_len/2,
1767 ctx->key_len * 4, &xctx->ks2.ks);
1768 xctx->xts.block2 = (block128_f)vpaes_encrypt;
1770 xctx->xts.key1 = &xctx->ks1;
1775 (void)0; /* terminate potentially open 'else' */
1779 AES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1780 xctx->xts.block1 = (block128_f)AES_encrypt;
1784 AES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1785 xctx->xts.block1 = (block128_f)AES_decrypt;
1788 AES_set_encrypt_key(key + ctx->key_len/2,
1789 ctx->key_len * 4, &xctx->ks2.ks);
1790 xctx->xts.block2 = (block128_f)AES_encrypt;
1792 xctx->xts.key1 = &xctx->ks1;
1797 xctx->xts.key2 = &xctx->ks2;
1798 memcpy(ctx->iv, iv, 16);
1804 static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1805 const unsigned char *in, size_t len)
1807 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
1808 if (!xctx->xts.key1 || !xctx->xts.key2)
1810 if (!out || !in || len<AES_BLOCK_SIZE)
1813 /* Requirement of SP800-38E */
1814 if (FIPS_module_mode() && !(ctx->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW) &&
1815 (len > (1UL<<20)*16))
1817 EVPerr(EVP_F_AES_XTS_CIPHER, EVP_R_TOO_LARGE);
1822 (*xctx->stream)(in, out, len,
1823 xctx->xts.key1, xctx->xts.key2, ctx->iv);
1824 else if (CRYPTO_xts128_encrypt(&xctx->xts, ctx->iv, in, out, len,
1830 #define aes_xts_cleanup NULL
1832 #define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \
1833 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT)
1835 BLOCK_CIPHER_custom(NID_aes,128,1,16,xts,XTS,EVP_CIPH_FLAG_FIPS|XTS_FLAGS)
1836 BLOCK_CIPHER_custom(NID_aes,256,1,16,xts,XTS,EVP_CIPH_FLAG_FIPS|XTS_FLAGS)
1838 static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1840 EVP_AES_CCM_CTX *cctx = c->cipher_data;
1852 case EVP_CTRL_CCM_SET_IVLEN:
1854 case EVP_CTRL_CCM_SET_L:
1855 if (arg < 2 || arg > 8)
1860 case EVP_CTRL_CCM_SET_TAG:
1861 if ((arg & 1) || arg < 4 || arg > 16)
1863 if ((c->encrypt && ptr) || (!c->encrypt && !ptr))
1868 memcpy(c->buf, ptr, arg);
1873 case EVP_CTRL_CCM_GET_TAG:
1874 if (!c->encrypt || !cctx->tag_set)
1876 if(!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
1889 static int aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1890 const unsigned char *iv, int enc)
1892 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
1897 #ifdef HWAES_CAPABLE
1900 HWAES_set_encrypt_key(key,ctx->key_len*8,&cctx->ks.ks);
1902 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1903 &cctx->ks, (block128_f)HWAES_encrypt);
1910 #ifdef VPAES_CAPABLE
1913 vpaes_set_encrypt_key(key, ctx->key_len*8, &cctx->ks.ks);
1914 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1915 &cctx->ks, (block128_f)vpaes_encrypt);
1921 AES_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks);
1922 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1923 &cctx->ks, (block128_f)AES_encrypt);
1929 memcpy(ctx->iv, iv, 15 - cctx->L);
1935 static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1936 const unsigned char *in, size_t len)
1938 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
1939 CCM128_CONTEXT *ccm = &cctx->ccm;
1940 /* If not set up, return error */
1941 if (!cctx->iv_set && !cctx->key_set)
1943 if (!ctx->encrypt && !cctx->tag_set)
1949 if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L,len))
1954 /* If have AAD need message length */
1955 if (!cctx->len_set && len)
1957 CRYPTO_ccm128_aad(ccm, in, len);
1960 /* EVP_*Final() doesn't return any data */
1963 /* If not set length yet do it */
1966 if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len))
1972 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
1974 CRYPTO_ccm128_encrypt(ccm, in, out, len))
1982 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
1984 !CRYPTO_ccm128_decrypt(ccm, in, out, len))
1986 unsigned char tag[16];
1987 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M))
1989 if (!memcmp(tag, ctx->buf, cctx->M))
1994 OPENSSL_cleanse(out, len);
2003 #define aes_ccm_cleanup NULL
2005 BLOCK_CIPHER_custom(NID_aes,128,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
2006 BLOCK_CIPHER_custom(NID_aes,192,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
2007 BLOCK_CIPHER_custom(NID_aes,256,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
2011 union { double align; AES_KEY ks; } ks;
2012 /* Indicates if IV has been set */
2016 static int aes_wrap_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
2017 const unsigned char *iv, int enc)
2019 EVP_AES_WRAP_CTX *wctx = ctx->cipher_data;
2025 AES_set_encrypt_key(key, ctx->key_len * 8, &wctx->ks.ks);
2027 AES_set_decrypt_key(key, ctx->key_len * 8, &wctx->ks.ks);
2033 memcpy(ctx->iv, iv, 8);
2039 static int aes_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2040 const unsigned char *in, size_t inlen)
2042 EVP_AES_WRAP_CTX *wctx = ctx->cipher_data;
2056 rv = CRYPTO_128_wrap(&wctx->ks.ks, wctx->iv, out, in, inlen,
2057 (block128_f)AES_encrypt);
2059 rv = CRYPTO_128_unwrap(&wctx->ks.ks, wctx->iv, out, in, inlen,
2060 (block128_f)AES_decrypt);
2061 return rv ? (int)rv : -1;
2064 #define WRAP_FLAGS (EVP_CIPH_WRAP_MODE \
2065 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
2066 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_FLAG_DEFAULT_ASN1)
2068 static const EVP_CIPHER aes_128_wrap = {
2070 8, 16, 8, WRAP_FLAGS,
2071 aes_wrap_init_key, aes_wrap_cipher,
2073 sizeof(EVP_AES_WRAP_CTX),
2074 NULL,NULL,NULL,NULL };
2076 const EVP_CIPHER *EVP_aes_128_wrap(void)
2078 return &aes_128_wrap;
2081 static const EVP_CIPHER aes_192_wrap = {
2083 8, 24, 8, WRAP_FLAGS,
2084 aes_wrap_init_key, aes_wrap_cipher,
2086 sizeof(EVP_AES_WRAP_CTX),
2087 NULL,NULL,NULL,NULL };
2089 const EVP_CIPHER *EVP_aes_192_wrap(void)
2091 return &aes_192_wrap;
2094 static const EVP_CIPHER aes_256_wrap = {
2096 8, 32, 8, WRAP_FLAGS,
2097 aes_wrap_init_key, aes_wrap_cipher,
2099 sizeof(EVP_AES_WRAP_CTX),
2100 NULL,NULL,NULL,NULL };
2102 const EVP_CIPHER *EVP_aes_256_wrap(void)
2104 return &aes_256_wrap;