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 #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(AES_ASM) && !defined(I386_ONLY) && ( \
158 ((defined(__i386) || defined(__i386__) || \
159 defined(_M_IX86)) && defined(OPENSSL_IA32_SSE2))|| \
160 defined(__x86_64) || defined(__x86_64__) || \
161 defined(_M_AMD64) || defined(_M_X64) || \
164 extern unsigned int OPENSSL_ia32cap_P[];
167 #define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
170 #define BSAES_CAPABLE VPAES_CAPABLE
175 #define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
177 int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
179 int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
182 void aesni_encrypt(const unsigned char *in, unsigned char *out,
184 void aesni_decrypt(const unsigned char *in, unsigned char *out,
187 void aesni_ecb_encrypt(const unsigned char *in,
192 void aesni_cbc_encrypt(const unsigned char *in,
196 unsigned char *ivec, int enc);
198 void aesni_ctr32_encrypt_blocks(const unsigned char *in,
202 const unsigned char *ivec);
204 void aesni_xts_encrypt(const unsigned char *in,
207 const AES_KEY *key1, const AES_KEY *key2,
208 const unsigned char iv[16]);
210 void aesni_xts_decrypt(const unsigned char *in,
213 const AES_KEY *key1, const AES_KEY *key2,
214 const unsigned char iv[16]);
216 void aesni_ccm64_encrypt_blocks (const unsigned char *in,
220 const unsigned char ivec[16],
221 unsigned char cmac[16]);
223 void aesni_ccm64_decrypt_blocks (const unsigned char *in,
227 const unsigned char ivec[16],
228 unsigned char cmac[16]);
230 static int aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
231 const unsigned char *iv, int enc)
234 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
236 mode = ctx->cipher->flags & EVP_CIPH_MODE;
237 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
240 ret = aesni_set_decrypt_key(key, ctx->key_len*8, ctx->cipher_data);
241 dat->block = (block128_f)aesni_decrypt;
242 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
243 (cbc128_f)aesni_cbc_encrypt :
247 ret = aesni_set_encrypt_key(key, ctx->key_len*8, ctx->cipher_data);
248 dat->block = (block128_f)aesni_encrypt;
249 if (mode==EVP_CIPH_CBC_MODE)
250 dat->stream.cbc = (cbc128_f)aesni_cbc_encrypt;
251 else if (mode==EVP_CIPH_CTR_MODE)
252 dat->stream.ctr = (ctr128_f)aesni_ctr32_encrypt_blocks;
254 dat->stream.cbc = NULL;
259 EVPerr(EVP_F_AESNI_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
266 static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
267 const unsigned char *in, size_t len)
269 aesni_cbc_encrypt(in,out,len,ctx->cipher_data,ctx->iv,ctx->encrypt);
274 static int aesni_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
275 const unsigned char *in, size_t len)
277 size_t bl = ctx->cipher->block_size;
279 if (len<bl) return 1;
281 aesni_ecb_encrypt(in,out,len,ctx->cipher_data,ctx->encrypt);
286 #define aesni_ofb_cipher aes_ofb_cipher
287 static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
288 const unsigned char *in,size_t len);
290 #define aesni_cfb_cipher aes_cfb_cipher
291 static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
292 const unsigned char *in,size_t len);
294 #define aesni_cfb8_cipher aes_cfb8_cipher
295 static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
296 const unsigned char *in,size_t len);
298 #define aesni_cfb1_cipher aes_cfb1_cipher
299 static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
300 const unsigned char *in,size_t len);
302 #define aesni_ctr_cipher aes_ctr_cipher
303 static int aesni_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
304 const unsigned char *in, size_t len);
306 static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
307 const unsigned char *iv, int enc)
309 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
314 aesni_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
315 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
316 (block128_f)aesni_encrypt);
317 gctx->ctr = (ctr128_f)aesni_ctr32_encrypt_blocks;
318 /* If we have an iv can set it directly, otherwise use
321 if (iv == NULL && gctx->iv_set)
325 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
332 /* If key set use IV, otherwise copy */
334 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
336 memcpy(gctx->iv, iv, gctx->ivlen);
343 #define aesni_gcm_cipher aes_gcm_cipher
344 static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
345 const unsigned char *in, size_t len);
347 static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
348 const unsigned char *iv, int enc)
350 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
356 /* key_len is two AES keys */
359 aesni_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
360 xctx->xts.block1 = (block128_f)aesni_encrypt;
361 xctx->stream = aesni_xts_encrypt;
365 aesni_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
366 xctx->xts.block1 = (block128_f)aesni_decrypt;
367 xctx->stream = aesni_xts_decrypt;
370 aesni_set_encrypt_key(key + ctx->key_len/2,
371 ctx->key_len * 4, &xctx->ks2.ks);
372 xctx->xts.block2 = (block128_f)aesni_encrypt;
374 xctx->xts.key1 = &xctx->ks1;
379 xctx->xts.key2 = &xctx->ks2;
380 memcpy(ctx->iv, iv, 16);
386 #define aesni_xts_cipher aes_xts_cipher
387 static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
388 const unsigned char *in, size_t len);
390 static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
391 const unsigned char *iv, int enc)
393 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
398 aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks);
399 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
400 &cctx->ks, (block128_f)aesni_encrypt);
401 cctx->str = enc?(ccm128_f)aesni_ccm64_encrypt_blocks :
402 (ccm128_f)aesni_ccm64_decrypt_blocks;
407 memcpy(ctx->iv, iv, 15 - cctx->L);
413 #define aesni_ccm_cipher aes_ccm_cipher
414 static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
415 const unsigned char *in, size_t len);
417 #define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
418 static const EVP_CIPHER aesni_##keylen##_##mode = { \
419 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
420 flags|EVP_CIPH_##MODE##_MODE, \
422 aesni_##mode##_cipher, \
424 sizeof(EVP_AES_KEY), \
425 NULL,NULL,NULL,NULL }; \
426 static const EVP_CIPHER aes_##keylen##_##mode = { \
427 nid##_##keylen##_##nmode,blocksize, \
429 flags|EVP_CIPH_##MODE##_MODE, \
431 aes_##mode##_cipher, \
433 sizeof(EVP_AES_KEY), \
434 NULL,NULL,NULL,NULL }; \
435 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
436 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
438 #define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
439 static const EVP_CIPHER aesni_##keylen##_##mode = { \
440 nid##_##keylen##_##mode,blocksize, \
441 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
442 flags|EVP_CIPH_##MODE##_MODE, \
443 aesni_##mode##_init_key, \
444 aesni_##mode##_cipher, \
445 aes_##mode##_cleanup, \
446 sizeof(EVP_AES_##MODE##_CTX), \
447 NULL,NULL,aes_##mode##_ctrl,NULL }; \
448 static const EVP_CIPHER aes_##keylen##_##mode = { \
449 nid##_##keylen##_##mode,blocksize, \
450 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
451 flags|EVP_CIPH_##MODE##_MODE, \
452 aes_##mode##_init_key, \
453 aes_##mode##_cipher, \
454 aes_##mode##_cleanup, \
455 sizeof(EVP_AES_##MODE##_CTX), \
456 NULL,NULL,aes_##mode##_ctrl,NULL }; \
457 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
458 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
460 #elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
462 #include "sparc_arch.h"
464 extern unsigned int OPENSSL_sparcv9cap_P[];
466 #define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES)
468 void aes_t4_set_encrypt_key (const unsigned char *key, int bits,
470 void aes_t4_set_decrypt_key (const unsigned char *key, int bits,
472 void aes_t4_encrypt (const unsigned char *in, unsigned char *out,
474 void aes_t4_decrypt (const unsigned char *in, unsigned char *out,
477 * Key-length specific subroutines were chosen for following reason.
478 * Each SPARC T4 core can execute up to 8 threads which share core's
479 * resources. Loading as much key material to registers allows to
480 * minimize references to shared memory interface, as well as amount
481 * of instructions in inner loops [much needed on T4]. But then having
482 * non-key-length specific routines would require conditional branches
483 * either in inner loops or on subroutines' entries. Former is hardly
484 * acceptable, while latter means code size increase to size occupied
485 * by multiple key-length specfic subroutines, so why fight?
487 void aes128_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
488 size_t len, const AES_KEY *key,
489 unsigned char *ivec);
490 void aes128_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
491 size_t len, const AES_KEY *key,
492 unsigned char *ivec);
493 void aes192_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
494 size_t len, const AES_KEY *key,
495 unsigned char *ivec);
496 void aes192_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
497 size_t len, const AES_KEY *key,
498 unsigned char *ivec);
499 void aes256_t4_cbc_encrypt (const unsigned char *in, unsigned char *out,
500 size_t len, const AES_KEY *key,
501 unsigned char *ivec);
502 void aes256_t4_cbc_decrypt (const unsigned char *in, unsigned char *out,
503 size_t len, const AES_KEY *key,
504 unsigned char *ivec);
505 void aes128_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
506 size_t blocks, const AES_KEY *key,
507 unsigned char *ivec);
508 void aes192_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
509 size_t blocks, const AES_KEY *key,
510 unsigned char *ivec);
511 void aes256_t4_ctr32_encrypt (const unsigned char *in, unsigned char *out,
512 size_t blocks, const AES_KEY *key,
513 unsigned char *ivec);
515 static int aes_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
516 const unsigned char *iv, int enc)
519 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
521 mode = ctx->cipher->flags & EVP_CIPH_MODE;
522 bits = ctx->key_len*8;
523 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
527 aes_t4_set_decrypt_key(key, bits, ctx->cipher_data);
528 dat->block = (block128_f)aes_t4_decrypt;
531 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
532 (cbc128_f)aes128_t4_cbc_decrypt :
536 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
537 (cbc128_f)aes192_t4_cbc_decrypt :
541 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
542 (cbc128_f)aes256_t4_cbc_decrypt :
551 aes_t4_set_encrypt_key(key, bits, ctx->cipher_data);
552 dat->block = (block128_f)aes_t4_encrypt;
555 if (mode==EVP_CIPH_CBC_MODE)
556 dat->stream.cbc = (cbc128_f)aes128_t4_cbc_encrypt;
557 else if (mode==EVP_CIPH_CTR_MODE)
558 dat->stream.ctr = (ctr128_f)aes128_t4_ctr32_encrypt;
560 dat->stream.cbc = NULL;
563 if (mode==EVP_CIPH_CBC_MODE)
564 dat->stream.cbc = (cbc128_f)aes192_t4_cbc_encrypt;
565 else if (mode==EVP_CIPH_CTR_MODE)
566 dat->stream.ctr = (ctr128_f)aes192_t4_ctr32_encrypt;
568 dat->stream.cbc = NULL;
571 if (mode==EVP_CIPH_CBC_MODE)
572 dat->stream.cbc = (cbc128_f)aes256_t4_cbc_encrypt;
573 else if (mode==EVP_CIPH_CTR_MODE)
574 dat->stream.ctr = (ctr128_f)aes256_t4_ctr32_encrypt;
576 dat->stream.cbc = NULL;
585 EVPerr(EVP_F_AES_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
592 #define aes_t4_cbc_cipher aes_cbc_cipher
593 static int aes_t4_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
594 const unsigned char *in, size_t len);
596 #define aes_t4_ecb_cipher aes_ecb_cipher
597 static int aes_t4_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
598 const unsigned char *in, size_t len);
600 #define aes_t4_ofb_cipher aes_ofb_cipher
601 static int aes_t4_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
602 const unsigned char *in,size_t len);
604 #define aes_t4_cfb_cipher aes_cfb_cipher
605 static int aes_t4_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
606 const unsigned char *in,size_t len);
608 #define aes_t4_cfb8_cipher aes_cfb8_cipher
609 static int aes_t4_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
610 const unsigned char *in,size_t len);
612 #define aes_t4_cfb1_cipher aes_cfb1_cipher
613 static int aes_t4_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
614 const unsigned char *in,size_t len);
616 #define aes_t4_ctr_cipher aes_ctr_cipher
617 static int aes_t4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
618 const unsigned char *in, size_t len);
620 static int aes_t4_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
621 const unsigned char *iv, int enc)
623 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
628 int bits = ctx->key_len * 8;
629 aes_t4_set_encrypt_key(key, bits, &gctx->ks.ks);
630 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
631 (block128_f)aes_t4_encrypt);
634 gctx->ctr = (ctr128_f)aes128_t4_ctr32_encrypt;
637 gctx->ctr = (ctr128_f)aes192_t4_ctr32_encrypt;
640 gctx->ctr = (ctr128_f)aes256_t4_ctr32_encrypt;
645 /* If we have an iv can set it directly, otherwise use
648 if (iv == NULL && gctx->iv_set)
652 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
659 /* If key set use IV, otherwise copy */
661 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
663 memcpy(gctx->iv, iv, gctx->ivlen);
670 #define aes_t4_gcm_cipher aes_gcm_cipher
671 static int aes_t4_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
672 const unsigned char *in, size_t len);
674 static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
675 const unsigned char *iv, int enc)
677 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
683 int bits = ctx->key_len * 4;
684 /* key_len is two AES keys */
687 aes_t4_set_encrypt_key(key, bits, &xctx->ks1.ks);
688 xctx->xts.block1 = (block128_f)aes_t4_encrypt;
692 xctx->stream = aes128_t4_xts_encrypt;
695 xctx->stream = aes192_t4_xts_encrypt;
698 xctx->stream = aes256_t4_xts_encrypt;
707 aes_t4_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
708 xctx->xts.block1 = (block128_f)aes_t4_decrypt;
712 xctx->stream = aes128_t4_xts_decrypt;
715 xctx->stream = aes192_t4_xts_decrypt;
718 xctx->stream = aes256_t4_xts_decrypt;
726 aes_t4_set_encrypt_key(key + ctx->key_len/2,
727 ctx->key_len * 4, &xctx->ks2.ks);
728 xctx->xts.block2 = (block128_f)aes_t4_encrypt;
730 xctx->xts.key1 = &xctx->ks1;
735 xctx->xts.key2 = &xctx->ks2;
736 memcpy(ctx->iv, iv, 16);
742 #define aes_t4_xts_cipher aes_xts_cipher
743 static int aes_t4_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
744 const unsigned char *in, size_t len);
746 static int aes_t4_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
747 const unsigned char *iv, int enc)
749 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
754 int bits = ctx->key_len * 8;
755 aes_t4_set_encrypt_key(key, bits, &cctx->ks.ks);
756 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
757 &cctx->ks, (block128_f)aes_t4_encrypt);
761 cctx->str = enc?(ccm128_f)aes128_t4_ccm64_encrypt :
762 (ccm128_f)ae128_t4_ccm64_decrypt;
765 cctx->str = enc?(ccm128_f)aes192_t4_ccm64_encrypt :
766 (ccm128_f)ae192_t4_ccm64_decrypt;
769 cctx->str = enc?(ccm128_f)aes256_t4_ccm64_encrypt :
770 (ccm128_f)ae256_t4_ccm64_decrypt;
780 memcpy(ctx->iv, iv, 15 - cctx->L);
786 #define aes_t4_ccm_cipher aes_ccm_cipher
787 static int aes_t4_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
788 const unsigned char *in, size_t len);
790 #define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
791 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
792 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
793 flags|EVP_CIPH_##MODE##_MODE, \
795 aes_t4_##mode##_cipher, \
797 sizeof(EVP_AES_KEY), \
798 NULL,NULL,NULL,NULL }; \
799 static const EVP_CIPHER aes_##keylen##_##mode = { \
800 nid##_##keylen##_##nmode,blocksize, \
802 flags|EVP_CIPH_##MODE##_MODE, \
804 aes_##mode##_cipher, \
806 sizeof(EVP_AES_KEY), \
807 NULL,NULL,NULL,NULL }; \
808 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
809 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
811 #define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
812 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
813 nid##_##keylen##_##mode,blocksize, \
814 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
815 flags|EVP_CIPH_##MODE##_MODE, \
816 aes_t4_##mode##_init_key, \
817 aes_t4_##mode##_cipher, \
818 aes_##mode##_cleanup, \
819 sizeof(EVP_AES_##MODE##_CTX), \
820 NULL,NULL,aes_##mode##_ctrl,NULL }; \
821 static const EVP_CIPHER aes_##keylen##_##mode = { \
822 nid##_##keylen##_##mode,blocksize, \
823 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
824 flags|EVP_CIPH_##MODE##_MODE, \
825 aes_##mode##_init_key, \
826 aes_##mode##_cipher, \
827 aes_##mode##_cleanup, \
828 sizeof(EVP_AES_##MODE##_CTX), \
829 NULL,NULL,aes_##mode##_ctrl,NULL }; \
830 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
831 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
835 #define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
836 static const EVP_CIPHER aes_##keylen##_##mode = { \
837 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
838 flags|EVP_CIPH_##MODE##_MODE, \
840 aes_##mode##_cipher, \
842 sizeof(EVP_AES_KEY), \
843 NULL,NULL,NULL,NULL }; \
844 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
845 { return &aes_##keylen##_##mode; }
847 #define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
848 static const EVP_CIPHER aes_##keylen##_##mode = { \
849 nid##_##keylen##_##mode,blocksize, \
850 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
851 flags|EVP_CIPH_##MODE##_MODE, \
852 aes_##mode##_init_key, \
853 aes_##mode##_cipher, \
854 aes_##mode##_cleanup, \
855 sizeof(EVP_AES_##MODE##_CTX), \
856 NULL,NULL,aes_##mode##_ctrl,NULL }; \
857 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
858 { return &aes_##keylen##_##mode; }
861 #define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
862 BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
863 BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
864 BLOCK_CIPHER_generic(nid,keylen,1,16,ofb128,ofb,OFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
865 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb128,cfb,CFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
866 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb1,cfb1,CFB,flags) \
867 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags) \
868 BLOCK_CIPHER_generic(nid,keylen,1,16,ctr,ctr,CTR,flags)
870 static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
871 const unsigned char *iv, int enc)
874 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
876 mode = ctx->cipher->flags & EVP_CIPH_MODE;
877 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
880 if (BSAES_CAPABLE && mode==EVP_CIPH_CBC_MODE)
882 ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
883 dat->block = (block128_f)AES_decrypt;
884 dat->stream.cbc = (cbc128_f)bsaes_cbc_encrypt;
891 ret = vpaes_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
892 dat->block = (block128_f)vpaes_decrypt;
893 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
894 (cbc128_f)vpaes_cbc_encrypt :
900 ret = AES_set_decrypt_key(key,ctx->key_len*8,&dat->ks.ks);
901 dat->block = (block128_f)AES_decrypt;
902 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
903 (cbc128_f)AES_cbc_encrypt :
908 if (BSAES_CAPABLE && mode==EVP_CIPH_CTR_MODE)
910 ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
911 dat->block = (block128_f)AES_encrypt;
912 dat->stream.ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
919 ret = vpaes_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
920 dat->block = (block128_f)vpaes_encrypt;
921 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
922 (cbc128_f)vpaes_cbc_encrypt :
928 ret = AES_set_encrypt_key(key,ctx->key_len*8,&dat->ks.ks);
929 dat->block = (block128_f)AES_encrypt;
930 dat->stream.cbc = mode==EVP_CIPH_CBC_MODE ?
931 (cbc128_f)AES_cbc_encrypt :
934 if (mode==EVP_CIPH_CTR_MODE)
935 dat->stream.ctr = (ctr128_f)AES_ctr32_encrypt;
941 EVPerr(EVP_F_AES_INIT_KEY,EVP_R_AES_KEY_SETUP_FAILED);
948 static int aes_cbc_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
949 const unsigned char *in, size_t len)
951 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
954 (*dat->stream.cbc)(in,out,len,&dat->ks,ctx->iv,ctx->encrypt);
955 else if (ctx->encrypt)
956 CRYPTO_cbc128_encrypt(in,out,len,&dat->ks,ctx->iv,dat->block);
958 CRYPTO_cbc128_encrypt(in,out,len,&dat->ks,ctx->iv,dat->block);
963 static int aes_ecb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
964 const unsigned char *in, size_t len)
966 size_t bl = ctx->cipher->block_size;
968 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
970 if (len<bl) return 1;
972 for (i=0,len-=bl;i<=len;i+=bl)
973 (*dat->block)(in+i,out+i,&dat->ks);
978 static int aes_ofb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
979 const unsigned char *in,size_t len)
981 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
983 CRYPTO_ofb128_encrypt(in,out,len,&dat->ks,
984 ctx->iv,&ctx->num,dat->block);
988 static int aes_cfb_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
989 const unsigned char *in,size_t len)
991 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
993 CRYPTO_cfb128_encrypt(in,out,len,&dat->ks,
994 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
998 static int aes_cfb8_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
999 const unsigned char *in,size_t len)
1001 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1003 CRYPTO_cfb128_8_encrypt(in,out,len,&dat->ks,
1004 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
1008 static int aes_cfb1_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out,
1009 const unsigned char *in,size_t len)
1011 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1013 if (ctx->flags&EVP_CIPH_FLAG_LENGTH_BITS) {
1014 CRYPTO_cfb128_1_encrypt(in,out,len,&dat->ks,
1015 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
1019 while (len>=MAXBITCHUNK) {
1020 CRYPTO_cfb128_1_encrypt(in,out,MAXBITCHUNK*8,&dat->ks,
1021 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
1025 CRYPTO_cfb128_1_encrypt(in,out,len*8,&dat->ks,
1026 ctx->iv,&ctx->num,ctx->encrypt,dat->block);
1031 static int aes_ctr_cipher (EVP_CIPHER_CTX *ctx, unsigned char *out,
1032 const unsigned char *in, size_t len)
1034 unsigned int num = ctx->num;
1035 EVP_AES_KEY *dat = (EVP_AES_KEY *)ctx->cipher_data;
1037 if (dat->stream.ctr)
1038 CRYPTO_ctr128_encrypt_ctr32(in,out,len,&dat->ks,
1039 ctx->iv,ctx->buf,&num,dat->stream.ctr);
1041 CRYPTO_ctr128_encrypt(in,out,len,&dat->ks,
1042 ctx->iv,ctx->buf,&num,dat->block);
1043 ctx->num = (size_t)num;
1047 BLOCK_CIPHER_generic_pack(NID_aes,128,EVP_CIPH_FLAG_FIPS)
1048 BLOCK_CIPHER_generic_pack(NID_aes,192,EVP_CIPH_FLAG_FIPS)
1049 BLOCK_CIPHER_generic_pack(NID_aes,256,EVP_CIPH_FLAG_FIPS)
1051 static int aes_gcm_cleanup(EVP_CIPHER_CTX *c)
1053 EVP_AES_GCM_CTX *gctx = c->cipher_data;
1054 OPENSSL_cleanse(&gctx->gcm, sizeof(gctx->gcm));
1055 if (gctx->iv != c->iv)
1056 OPENSSL_free(gctx->iv);
1060 /* increment counter (64-bit int) by 1 */
1061 static void ctr64_inc(unsigned char *counter) {
1074 static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1076 EVP_AES_GCM_CTX *gctx = c->cipher_data;
1082 gctx->ivlen = c->cipher->iv_len;
1086 gctx->tls_aad_len = -1;
1089 case EVP_CTRL_GCM_SET_IVLEN:
1093 if (FIPS_module_mode() && !(c->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW)
1097 /* Allocate memory for IV if needed */
1098 if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen))
1100 if (gctx->iv != c->iv)
1101 OPENSSL_free(gctx->iv);
1102 gctx->iv = OPENSSL_malloc(arg);
1109 case EVP_CTRL_GCM_SET_TAG:
1110 if (arg <= 0 || arg > 16 || c->encrypt)
1112 memcpy(c->buf, ptr, arg);
1116 case EVP_CTRL_GCM_GET_TAG:
1117 if (arg <= 0 || arg > 16 || !c->encrypt || gctx->taglen < 0)
1119 memcpy(ptr, c->buf, arg);
1122 case EVP_CTRL_GCM_SET_IV_FIXED:
1123 /* Special case: -1 length restores whole IV */
1126 memcpy(gctx->iv, ptr, gctx->ivlen);
1130 /* Fixed field must be at least 4 bytes and invocation field
1133 if ((arg < 4) || (gctx->ivlen - arg) < 8)
1136 memcpy(gctx->iv, ptr, arg);
1138 RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
1143 case EVP_CTRL_GCM_IV_GEN:
1144 if (gctx->iv_gen == 0 || gctx->key_set == 0)
1146 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1147 if (arg <= 0 || arg > gctx->ivlen)
1149 memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
1150 /* Invocation field will be at least 8 bytes in size and
1151 * so no need to check wrap around or increment more than
1154 ctr64_inc(gctx->iv + gctx->ivlen - 8);
1158 case EVP_CTRL_GCM_SET_IV_INV:
1159 if (gctx->iv_gen == 0 || gctx->key_set == 0 || c->encrypt)
1161 memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
1162 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1166 case EVP_CTRL_AEAD_TLS1_AAD:
1167 /* Save the AAD for later use */
1170 memcpy(c->buf, ptr, arg);
1171 gctx->tls_aad_len = arg;
1173 unsigned int len=c->buf[arg-2]<<8|c->buf[arg-1];
1174 /* Correct length for explicit IV */
1175 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
1176 /* If decrypting correct for tag too */
1178 len -= EVP_GCM_TLS_TAG_LEN;
1179 c->buf[arg-2] = len>>8;
1180 c->buf[arg-1] = len & 0xff;
1182 /* Extra padding: tag appended to record */
1183 return EVP_GCM_TLS_TAG_LEN;
1191 static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1192 const unsigned char *iv, int enc)
1194 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1199 #ifdef BSAES_CAPABLE
1202 AES_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
1203 CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
1204 (block128_f)AES_encrypt);
1205 gctx->ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
1210 #ifdef VPAES_CAPABLE
1213 vpaes_set_encrypt_key(key,ctx->key_len*8,&gctx->ks.ks);
1214 CRYPTO_gcm128_init(&gctx->gcm,&gctx->ks,
1215 (block128_f)vpaes_encrypt);
1220 AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks);
1221 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f)AES_encrypt);
1223 gctx->ctr = (ctr128_f)AES_ctr32_encrypt;
1229 /* If we have an iv can set it directly, otherwise use
1232 if (iv == NULL && gctx->iv_set)
1236 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1243 /* If key set use IV, otherwise copy */
1245 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1247 memcpy(gctx->iv, iv, gctx->ivlen);
1254 /* Handle TLS GCM packet format. This consists of the last portion of the IV
1255 * followed by the payload and finally the tag. On encrypt generate IV,
1256 * encrypt payload and write the tag. On verify retrieve IV, decrypt payload
1260 static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1261 const unsigned char *in, size_t len)
1263 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1265 /* Encrypt/decrypt must be performed in place */
1266 if (out != in || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN+EVP_GCM_TLS_TAG_LEN))
1268 /* Set IV from start of buffer or generate IV and write to start
1271 if (EVP_CIPHER_CTX_ctrl(ctx, ctx->encrypt ?
1272 EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
1273 EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
1276 if (CRYPTO_gcm128_aad(&gctx->gcm, ctx->buf, gctx->tls_aad_len))
1278 /* Fix buffer and length to point to payload */
1279 in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1280 out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1281 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1284 /* Encrypt payload */
1287 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1293 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
1297 /* Finally write tag */
1298 CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
1299 rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1306 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1312 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
1316 CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf,
1317 EVP_GCM_TLS_TAG_LEN);
1318 /* If tag mismatch wipe buffer */
1319 if (memcmp(ctx->buf, in + len, EVP_GCM_TLS_TAG_LEN))
1321 OPENSSL_cleanse(out, len);
1329 gctx->tls_aad_len = -1;
1333 static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1334 const unsigned char *in, size_t len)
1336 EVP_AES_GCM_CTX *gctx = ctx->cipher_data;
1337 /* If not set up, return error */
1341 if (gctx->tls_aad_len >= 0)
1342 return aes_gcm_tls_cipher(ctx, out, in, len);
1346 if (!ctx->encrypt && gctx->taglen < 0)
1352 if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
1355 else if (ctx->encrypt)
1359 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1365 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
1373 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1379 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
1389 if (CRYPTO_gcm128_finish(&gctx->gcm,
1390 ctx->buf, gctx->taglen) != 0)
1395 CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, 16);
1397 /* Don't reuse the IV */
1404 #define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
1405 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
1406 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT)
1408 BLOCK_CIPHER_custom(NID_aes,128,1,12,gcm,GCM,
1409 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1410 BLOCK_CIPHER_custom(NID_aes,192,1,12,gcm,GCM,
1411 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1412 BLOCK_CIPHER_custom(NID_aes,256,1,12,gcm,GCM,
1413 EVP_CIPH_FLAG_FIPS|EVP_CIPH_FLAG_AEAD_CIPHER|CUSTOM_FLAGS)
1415 static int aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1417 EVP_AES_XTS_CTX *xctx = c->cipher_data;
1418 if (type != EVP_CTRL_INIT)
1420 /* key1 and key2 are used as an indicator both key and IV are set */
1421 xctx->xts.key1 = NULL;
1422 xctx->xts.key2 = NULL;
1426 static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1427 const unsigned char *iv, int enc)
1429 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
1436 xctx->stream = enc ? AES_xts_encrypt : AES_xts_decrypt;
1438 xctx->stream = NULL;
1440 /* key_len is two AES keys */
1441 #ifdef BSAES_CAPABLE
1443 xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt;
1446 #ifdef VPAES_CAPABLE
1451 vpaes_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1452 xctx->xts.block1 = (block128_f)vpaes_encrypt;
1456 vpaes_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1457 xctx->xts.block1 = (block128_f)vpaes_decrypt;
1460 vpaes_set_encrypt_key(key + ctx->key_len/2,
1461 ctx->key_len * 4, &xctx->ks2.ks);
1462 xctx->xts.block2 = (block128_f)vpaes_encrypt;
1464 xctx->xts.key1 = &xctx->ks1;
1470 AES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1471 xctx->xts.block1 = (block128_f)AES_encrypt;
1475 AES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks);
1476 xctx->xts.block1 = (block128_f)AES_decrypt;
1479 AES_set_encrypt_key(key + ctx->key_len/2,
1480 ctx->key_len * 4, &xctx->ks2.ks);
1481 xctx->xts.block2 = (block128_f)AES_encrypt;
1483 xctx->xts.key1 = &xctx->ks1;
1488 xctx->xts.key2 = &xctx->ks2;
1489 memcpy(ctx->iv, iv, 16);
1495 static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1496 const unsigned char *in, size_t len)
1498 EVP_AES_XTS_CTX *xctx = ctx->cipher_data;
1499 if (!xctx->xts.key1 || !xctx->xts.key2)
1501 if (!out || !in || len<AES_BLOCK_SIZE)
1504 /* Requirement of SP800-38E */
1505 if (FIPS_module_mode() && !(ctx->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW) &&
1506 (len > (1UL<<20)*16))
1508 EVPerr(EVP_F_AES_XTS_CIPHER, EVP_R_TOO_LARGE);
1513 (*xctx->stream)(in, out, len,
1514 xctx->xts.key1, xctx->xts.key2, ctx->iv);
1515 else if (CRYPTO_xts128_encrypt(&xctx->xts, ctx->iv, in, out, len,
1521 #define aes_xts_cleanup NULL
1523 #define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \
1524 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT)
1526 BLOCK_CIPHER_custom(NID_aes,128,1,16,xts,XTS,EVP_CIPH_FLAG_FIPS|XTS_FLAGS)
1527 BLOCK_CIPHER_custom(NID_aes,256,1,16,xts,XTS,EVP_CIPH_FLAG_FIPS|XTS_FLAGS)
1529 static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1531 EVP_AES_CCM_CTX *cctx = c->cipher_data;
1543 case EVP_CTRL_CCM_SET_IVLEN:
1545 case EVP_CTRL_CCM_SET_L:
1546 if (arg < 2 || arg > 8)
1551 case EVP_CTRL_CCM_SET_TAG:
1552 if ((arg & 1) || arg < 4 || arg > 16)
1554 if ((c->encrypt && ptr) || (!c->encrypt && !ptr))
1559 memcpy(c->buf, ptr, arg);
1564 case EVP_CTRL_CCM_GET_TAG:
1565 if (!c->encrypt || !cctx->tag_set)
1567 if(!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
1580 static int aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1581 const unsigned char *iv, int enc)
1583 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
1588 #ifdef VPAES_CAPABLE
1591 vpaes_set_encrypt_key(key, ctx->key_len*8, &cctx->ks.ks);
1592 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1593 &cctx->ks, (block128_f)vpaes_encrypt);
1599 AES_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks);
1600 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1601 &cctx->ks, (block128_f)AES_encrypt);
1607 memcpy(ctx->iv, iv, 15 - cctx->L);
1613 static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1614 const unsigned char *in, size_t len)
1616 EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
1617 CCM128_CONTEXT *ccm = &cctx->ccm;
1618 /* If not set up, return error */
1619 if (!cctx->iv_set && !cctx->key_set)
1621 if (!ctx->encrypt && !cctx->tag_set)
1627 if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L,len))
1632 /* If have AAD need message length */
1633 if (!cctx->len_set && len)
1635 CRYPTO_ccm128_aad(ccm, in, len);
1638 /* EVP_*Final() doesn't return any data */
1641 /* If not set length yet do it */
1644 if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len))
1650 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
1652 CRYPTO_ccm128_encrypt(ccm, in, out, len))
1660 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
1662 !CRYPTO_ccm128_decrypt(ccm, in, out, len))
1664 unsigned char tag[16];
1665 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M))
1667 if (!memcmp(tag, ctx->buf, cctx->M))
1672 OPENSSL_cleanse(out, len);
1681 #define aes_ccm_cleanup NULL
1683 BLOCK_CIPHER_custom(NID_aes,128,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
1684 BLOCK_CIPHER_custom(NID_aes,192,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)
1685 BLOCK_CIPHER_custom(NID_aes,256,1,12,ccm,CCM,EVP_CIPH_FLAG_FIPS|CUSTOM_FLAGS)