1 /* ====================================================================
2 * Copyright (c) 2001-2014 The OpenSSL Project. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
16 * 3. All advertising materials mentioning features or use of this
17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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22 * endorse or promote products derived from this software without
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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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41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 * OF THE POSSIBILITY OF SUCH DAMAGE.
47 * ====================================================================
51 #include <openssl/opensslconf.h>
52 #include <openssl/crypto.h>
53 #include <openssl/evp.h>
54 #include <openssl/err.h>
57 #include <openssl/aes.h>
58 #include "internal/evp_int.h"
59 #include "modes_lcl.h"
60 #include <openssl/rand.h>
78 } ks; /* AES key schedule to use */
79 int key_set; /* Set if key initialised */
80 int iv_set; /* Set if an iv is set */
82 unsigned char *iv; /* Temporary IV store */
83 int ivlen; /* IV length */
85 int iv_gen; /* It is OK to generate IVs */
86 int tls_aad_len; /* TLS AAD length */
94 } ks1, ks2; /* AES key schedules to use */
96 void (*stream) (const unsigned char *in,
97 unsigned char *out, size_t length,
98 const AES_KEY *key1, const AES_KEY *key2,
99 const unsigned char iv[16]);
106 } ks; /* AES key schedule to use */
107 int key_set; /* Set if key initialised */
108 int iv_set; /* Set if an iv is set */
109 int tag_set; /* Set if tag is valid */
110 int len_set; /* Set if message length set */
111 int L, M; /* L and M parameters from RFC3610 */
112 int tls_aad_len; /* TLS AAD length */
117 #ifndef OPENSSL_NO_OCB
122 } ksenc; /* AES key schedule to use for encryption */
126 } ksdec; /* AES key schedule to use for decryption */
127 int key_set; /* Set if key initialised */
128 int iv_set; /* Set if an iv is set */
130 unsigned char *iv; /* Temporary IV store */
131 unsigned char tag[16];
132 unsigned char data_buf[16]; /* Store partial data blocks */
133 unsigned char aad_buf[16]; /* Store partial AAD blocks */
136 int ivlen; /* IV length */
141 #define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4))
144 int vpaes_set_encrypt_key(const unsigned char *userKey, int bits,
146 int vpaes_set_decrypt_key(const unsigned char *userKey, int bits,
149 void vpaes_encrypt(const unsigned char *in, unsigned char *out,
151 void vpaes_decrypt(const unsigned char *in, unsigned char *out,
154 void vpaes_cbc_encrypt(const unsigned char *in,
157 const AES_KEY *key, unsigned char *ivec, int enc);
160 void bsaes_cbc_encrypt(const unsigned char *in, unsigned char *out,
161 size_t length, const AES_KEY *key,
162 unsigned char ivec[16], int enc);
163 void bsaes_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
164 size_t len, const AES_KEY *key,
165 const unsigned char ivec[16]);
166 void bsaes_xts_encrypt(const unsigned char *inp, unsigned char *out,
167 size_t len, const AES_KEY *key1,
168 const AES_KEY *key2, const unsigned char iv[16]);
169 void bsaes_xts_decrypt(const unsigned char *inp, unsigned char *out,
170 size_t len, const AES_KEY *key1,
171 const AES_KEY *key2, const unsigned char iv[16]);
174 void AES_ctr32_encrypt(const unsigned char *in, unsigned char *out,
175 size_t blocks, const AES_KEY *key,
176 const unsigned char ivec[AES_BLOCK_SIZE]);
179 void AES_xts_encrypt(const char *inp, char *out, size_t len,
180 const AES_KEY *key1, const AES_KEY *key2,
181 const unsigned char iv[16]);
182 void AES_xts_decrypt(const char *inp, char *out, size_t len,
183 const AES_KEY *key1, const AES_KEY *key2,
184 const unsigned char iv[16]);
187 #if defined(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC))
188 # include "ppc_arch.h"
190 # define VPAES_CAPABLE (OPENSSL_ppccap_P & PPC_ALTIVEC)
192 # define HWAES_CAPABLE (OPENSSL_ppccap_P & PPC_CRYPTO207)
193 # define HWAES_set_encrypt_key aes_p8_set_encrypt_key
194 # define HWAES_set_decrypt_key aes_p8_set_decrypt_key
195 # define HWAES_encrypt aes_p8_encrypt
196 # define HWAES_decrypt aes_p8_decrypt
197 # define HWAES_cbc_encrypt aes_p8_cbc_encrypt
198 # define HWAES_ctr32_encrypt_blocks aes_p8_ctr32_encrypt_blocks
201 #if defined(AES_ASM) && !defined(I386_ONLY) && ( \
202 ((defined(__i386) || defined(__i386__) || \
203 defined(_M_IX86)) && defined(OPENSSL_IA32_SSE2))|| \
204 defined(__x86_64) || defined(__x86_64__) || \
205 defined(_M_AMD64) || defined(_M_X64) )
207 extern unsigned int OPENSSL_ia32cap_P[];
210 # define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
213 # define BSAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
218 # define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
220 int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
222 int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
225 void aesni_encrypt(const unsigned char *in, unsigned char *out,
227 void aesni_decrypt(const unsigned char *in, unsigned char *out,
230 void aesni_ecb_encrypt(const unsigned char *in,
232 size_t length, const AES_KEY *key, int enc);
233 void aesni_cbc_encrypt(const unsigned char *in,
236 const AES_KEY *key, unsigned char *ivec, int enc);
238 void aesni_ctr32_encrypt_blocks(const unsigned char *in,
241 const void *key, const unsigned char *ivec);
243 void aesni_xts_encrypt(const unsigned char *in,
246 const AES_KEY *key1, const AES_KEY *key2,
247 const unsigned char iv[16]);
249 void aesni_xts_decrypt(const unsigned char *in,
252 const AES_KEY *key1, const AES_KEY *key2,
253 const unsigned char iv[16]);
255 void aesni_ccm64_encrypt_blocks(const unsigned char *in,
259 const unsigned char ivec[16],
260 unsigned char cmac[16]);
262 void aesni_ccm64_decrypt_blocks(const unsigned char *in,
266 const unsigned char ivec[16],
267 unsigned char cmac[16]);
269 # if defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
270 size_t aesni_gcm_encrypt(const unsigned char *in,
273 const void *key, unsigned char ivec[16], u64 *Xi);
274 # define AES_gcm_encrypt aesni_gcm_encrypt
275 size_t aesni_gcm_decrypt(const unsigned char *in,
278 const void *key, unsigned char ivec[16], u64 *Xi);
279 # define AES_gcm_decrypt aesni_gcm_decrypt
280 void gcm_ghash_avx(u64 Xi[2], const u128 Htable[16], const u8 *in,
282 # define AES_GCM_ASM(gctx) (gctx->ctr==aesni_ctr32_encrypt_blocks && \
283 gctx->gcm.ghash==gcm_ghash_avx)
284 # define AES_GCM_ASM2(gctx) (gctx->gcm.block==(block128_f)aesni_encrypt && \
285 gctx->gcm.ghash==gcm_ghash_avx)
286 # undef AES_GCM_ASM2 /* minor size optimization */
289 static int aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
290 const unsigned char *iv, int enc)
293 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
295 mode = EVP_CIPHER_CTX_mode(ctx);
296 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
298 ret = aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
300 dat->block = (block128_f) aesni_decrypt;
301 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
302 (cbc128_f) aesni_cbc_encrypt : NULL;
304 ret = aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
306 dat->block = (block128_f) aesni_encrypt;
307 if (mode == EVP_CIPH_CBC_MODE)
308 dat->stream.cbc = (cbc128_f) aesni_cbc_encrypt;
309 else if (mode == EVP_CIPH_CTR_MODE)
310 dat->stream.ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
312 dat->stream.cbc = NULL;
316 EVPerr(EVP_F_AESNI_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
323 static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
324 const unsigned char *in, size_t len)
326 aesni_cbc_encrypt(in, out, len, &EVP_C_DATA(EVP_AES_KEY,ctx)->ks.ks,
327 EVP_CIPHER_CTX_iv_noconst(ctx),
328 EVP_CIPHER_CTX_encrypting(ctx));
333 static int aesni_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
334 const unsigned char *in, size_t len)
336 size_t bl = EVP_CIPHER_CTX_block_size(ctx);
341 aesni_ecb_encrypt(in, out, len, &EVP_C_DATA(EVP_AES_KEY,ctx)->ks.ks,
342 EVP_CIPHER_CTX_encrypting(ctx));
347 # define aesni_ofb_cipher aes_ofb_cipher
348 static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
349 const unsigned char *in, size_t len);
351 # define aesni_cfb_cipher aes_cfb_cipher
352 static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
353 const unsigned char *in, size_t len);
355 # define aesni_cfb8_cipher aes_cfb8_cipher
356 static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
357 const unsigned char *in, size_t len);
359 # define aesni_cfb1_cipher aes_cfb1_cipher
360 static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
361 const unsigned char *in, size_t len);
363 # define aesni_ctr_cipher aes_ctr_cipher
364 static int aesni_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
365 const unsigned char *in, size_t len);
367 static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
368 const unsigned char *iv, int enc)
370 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
374 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
376 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f) aesni_encrypt);
377 gctx->ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
379 * If we have an iv can set it directly, otherwise use saved IV.
381 if (iv == NULL && gctx->iv_set)
384 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
389 /* If key set use IV, otherwise copy */
391 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
393 memcpy(gctx->iv, iv, gctx->ivlen);
400 # define aesni_gcm_cipher aes_gcm_cipher
401 static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
402 const unsigned char *in, size_t len);
404 static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
405 const unsigned char *iv, int enc)
407 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
412 /* key_len is two AES keys */
414 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
416 xctx->xts.block1 = (block128_f) aesni_encrypt;
417 xctx->stream = aesni_xts_encrypt;
419 aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
421 xctx->xts.block1 = (block128_f) aesni_decrypt;
422 xctx->stream = aesni_xts_decrypt;
425 aesni_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
426 EVP_CIPHER_CTX_key_length(ctx) * 4,
428 xctx->xts.block2 = (block128_f) aesni_encrypt;
430 xctx->xts.key1 = &xctx->ks1;
434 xctx->xts.key2 = &xctx->ks2;
435 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16);
441 # define aesni_xts_cipher aes_xts_cipher
442 static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
443 const unsigned char *in, size_t len);
445 static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
446 const unsigned char *iv, int enc)
448 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
452 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
454 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
455 &cctx->ks, (block128_f) aesni_encrypt);
456 cctx->str = enc ? (ccm128_f) aesni_ccm64_encrypt_blocks :
457 (ccm128_f) aesni_ccm64_decrypt_blocks;
461 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
467 # define aesni_ccm_cipher aes_ccm_cipher
468 static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
469 const unsigned char *in, size_t len);
471 # ifndef OPENSSL_NO_OCB
472 void aesni_ocb_encrypt(const unsigned char *in, unsigned char *out,
473 size_t blocks, const void *key,
474 size_t start_block_num,
475 unsigned char offset_i[16],
476 const unsigned char L_[][16],
477 unsigned char checksum[16]);
478 void aesni_ocb_decrypt(const unsigned char *in, unsigned char *out,
479 size_t blocks, const void *key,
480 size_t start_block_num,
481 unsigned char offset_i[16],
482 const unsigned char L_[][16],
483 unsigned char checksum[16]);
485 static int aesni_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
486 const unsigned char *iv, int enc)
488 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
494 * We set both the encrypt and decrypt key here because decrypt
495 * needs both. We could possibly optimise to remove setting the
496 * decrypt for an encryption operation.
498 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
500 aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
502 if (!CRYPTO_ocb128_init(&octx->ocb,
503 &octx->ksenc.ks, &octx->ksdec.ks,
504 (block128_f) aesni_encrypt,
505 (block128_f) aesni_decrypt,
506 enc ? aesni_ocb_encrypt
507 : aesni_ocb_decrypt))
513 * If we have an iv we can set it directly, otherwise use saved IV.
515 if (iv == NULL && octx->iv_set)
518 if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen)
525 /* If key set use IV, otherwise copy */
527 CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen);
529 memcpy(octx->iv, iv, octx->ivlen);
535 # define aesni_ocb_cipher aes_ocb_cipher
536 static int aesni_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
537 const unsigned char *in, size_t len);
538 # endif /* OPENSSL_NO_OCB */
540 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
541 static const EVP_CIPHER aesni_##keylen##_##mode = { \
542 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
543 flags|EVP_CIPH_##MODE##_MODE, \
545 aesni_##mode##_cipher, \
547 sizeof(EVP_AES_KEY), \
548 NULL,NULL,NULL,NULL }; \
549 static const EVP_CIPHER aes_##keylen##_##mode = { \
550 nid##_##keylen##_##nmode,blocksize, \
552 flags|EVP_CIPH_##MODE##_MODE, \
554 aes_##mode##_cipher, \
556 sizeof(EVP_AES_KEY), \
557 NULL,NULL,NULL,NULL }; \
558 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
559 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
561 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
562 static const EVP_CIPHER aesni_##keylen##_##mode = { \
563 nid##_##keylen##_##mode,blocksize, \
564 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
565 flags|EVP_CIPH_##MODE##_MODE, \
566 aesni_##mode##_init_key, \
567 aesni_##mode##_cipher, \
568 aes_##mode##_cleanup, \
569 sizeof(EVP_AES_##MODE##_CTX), \
570 NULL,NULL,aes_##mode##_ctrl,NULL }; \
571 static const EVP_CIPHER aes_##keylen##_##mode = { \
572 nid##_##keylen##_##mode,blocksize, \
573 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
574 flags|EVP_CIPH_##MODE##_MODE, \
575 aes_##mode##_init_key, \
576 aes_##mode##_cipher, \
577 aes_##mode##_cleanup, \
578 sizeof(EVP_AES_##MODE##_CTX), \
579 NULL,NULL,aes_##mode##_ctrl,NULL }; \
580 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
581 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
583 #elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
585 # include "sparc_arch.h"
587 extern unsigned int OPENSSL_sparcv9cap_P[];
590 * Initial Fujitsu SPARC64 X support
592 # define HWAES_CAPABLE (OPENSSL_sparcv9cap_P[0] & SPARCV9_FJAESX)
593 # define HWAES_set_encrypt_key aes_fx_set_encrypt_key
594 # define HWAES_set_decrypt_key aes_fx_set_decrypt_key
595 # define HWAES_encrypt aes_fx_encrypt
596 # define HWAES_decrypt aes_fx_decrypt
598 # define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES)
600 void aes_t4_set_encrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
601 void aes_t4_set_decrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
602 void aes_t4_encrypt(const unsigned char *in, unsigned char *out,
604 void aes_t4_decrypt(const unsigned char *in, unsigned char *out,
607 * Key-length specific subroutines were chosen for following reason.
608 * Each SPARC T4 core can execute up to 8 threads which share core's
609 * resources. Loading as much key material to registers allows to
610 * minimize references to shared memory interface, as well as amount
611 * of instructions in inner loops [much needed on T4]. But then having
612 * non-key-length specific routines would require conditional branches
613 * either in inner loops or on subroutines' entries. Former is hardly
614 * acceptable, while latter means code size increase to size occupied
615 * by multiple key-length specific subroutines, so why fight?
617 void aes128_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
618 size_t len, const AES_KEY *key,
619 unsigned char *ivec);
620 void aes128_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
621 size_t len, const AES_KEY *key,
622 unsigned char *ivec);
623 void aes192_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
624 size_t len, const AES_KEY *key,
625 unsigned char *ivec);
626 void aes192_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
627 size_t len, const AES_KEY *key,
628 unsigned char *ivec);
629 void aes256_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
630 size_t len, const AES_KEY *key,
631 unsigned char *ivec);
632 void aes256_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
633 size_t len, const AES_KEY *key,
634 unsigned char *ivec);
635 void aes128_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
636 size_t blocks, const AES_KEY *key,
637 unsigned char *ivec);
638 void aes192_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
639 size_t blocks, const AES_KEY *key,
640 unsigned char *ivec);
641 void aes256_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
642 size_t blocks, const AES_KEY *key,
643 unsigned char *ivec);
644 void aes128_t4_xts_encrypt(const unsigned char *in, unsigned char *out,
645 size_t blocks, const AES_KEY *key1,
646 const AES_KEY *key2, const unsigned char *ivec);
647 void aes128_t4_xts_decrypt(const unsigned char *in, unsigned char *out,
648 size_t blocks, const AES_KEY *key1,
649 const AES_KEY *key2, const unsigned char *ivec);
650 void aes256_t4_xts_encrypt(const unsigned char *in, unsigned char *out,
651 size_t blocks, const AES_KEY *key1,
652 const AES_KEY *key2, const unsigned char *ivec);
653 void aes256_t4_xts_decrypt(const unsigned char *in, unsigned char *out,
654 size_t blocks, const AES_KEY *key1,
655 const AES_KEY *key2, const unsigned char *ivec);
657 static int aes_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
658 const unsigned char *iv, int enc)
661 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
663 mode = EVP_CIPHER_CTX_mode(ctx);
664 bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
665 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
668 aes_t4_set_decrypt_key(key, bits, &dat->ks.ks);
669 dat->block = (block128_f) aes_t4_decrypt;
672 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
673 (cbc128_f) aes128_t4_cbc_decrypt : NULL;
676 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
677 (cbc128_f) aes192_t4_cbc_decrypt : NULL;
680 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
681 (cbc128_f) aes256_t4_cbc_decrypt : NULL;
688 aes_t4_set_encrypt_key(key, bits, &dat->ks.ks);
689 dat->block = (block128_f) aes_t4_encrypt;
692 if (mode == EVP_CIPH_CBC_MODE)
693 dat->stream.cbc = (cbc128_f) aes128_t4_cbc_encrypt;
694 else if (mode == EVP_CIPH_CTR_MODE)
695 dat->stream.ctr = (ctr128_f) aes128_t4_ctr32_encrypt;
697 dat->stream.cbc = NULL;
700 if (mode == EVP_CIPH_CBC_MODE)
701 dat->stream.cbc = (cbc128_f) aes192_t4_cbc_encrypt;
702 else if (mode == EVP_CIPH_CTR_MODE)
703 dat->stream.ctr = (ctr128_f) aes192_t4_ctr32_encrypt;
705 dat->stream.cbc = NULL;
708 if (mode == EVP_CIPH_CBC_MODE)
709 dat->stream.cbc = (cbc128_f) aes256_t4_cbc_encrypt;
710 else if (mode == EVP_CIPH_CTR_MODE)
711 dat->stream.ctr = (ctr128_f) aes256_t4_ctr32_encrypt;
713 dat->stream.cbc = NULL;
721 EVPerr(EVP_F_AES_T4_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
728 # define aes_t4_cbc_cipher aes_cbc_cipher
729 static int aes_t4_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
730 const unsigned char *in, size_t len);
732 # define aes_t4_ecb_cipher aes_ecb_cipher
733 static int aes_t4_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
734 const unsigned char *in, size_t len);
736 # define aes_t4_ofb_cipher aes_ofb_cipher
737 static int aes_t4_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
738 const unsigned char *in, size_t len);
740 # define aes_t4_cfb_cipher aes_cfb_cipher
741 static int aes_t4_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
742 const unsigned char *in, size_t len);
744 # define aes_t4_cfb8_cipher aes_cfb8_cipher
745 static int aes_t4_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
746 const unsigned char *in, size_t len);
748 # define aes_t4_cfb1_cipher aes_cfb1_cipher
749 static int aes_t4_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
750 const unsigned char *in, size_t len);
752 # define aes_t4_ctr_cipher aes_ctr_cipher
753 static int aes_t4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
754 const unsigned char *in, size_t len);
756 static int aes_t4_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
757 const unsigned char *iv, int enc)
759 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
763 int bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
764 aes_t4_set_encrypt_key(key, bits, &gctx->ks.ks);
765 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
766 (block128_f) aes_t4_encrypt);
769 gctx->ctr = (ctr128_f) aes128_t4_ctr32_encrypt;
772 gctx->ctr = (ctr128_f) aes192_t4_ctr32_encrypt;
775 gctx->ctr = (ctr128_f) aes256_t4_ctr32_encrypt;
781 * If we have an iv can set it directly, otherwise use saved IV.
783 if (iv == NULL && gctx->iv_set)
786 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
791 /* If key set use IV, otherwise copy */
793 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
795 memcpy(gctx->iv, iv, gctx->ivlen);
802 # define aes_t4_gcm_cipher aes_gcm_cipher
803 static int aes_t4_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
804 const unsigned char *in, size_t len);
806 static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
807 const unsigned char *iv, int enc)
809 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
814 int bits = EVP_CIPHER_CTX_key_length(ctx) * 4;
816 /* key_len is two AES keys */
818 aes_t4_set_encrypt_key(key, bits, &xctx->ks1.ks);
819 xctx->xts.block1 = (block128_f) aes_t4_encrypt;
822 xctx->stream = aes128_t4_xts_encrypt;
825 xctx->stream = aes256_t4_xts_encrypt;
831 aes_t4_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
833 xctx->xts.block1 = (block128_f) aes_t4_decrypt;
836 xctx->stream = aes128_t4_xts_decrypt;
839 xctx->stream = aes256_t4_xts_decrypt;
846 aes_t4_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
847 EVP_CIPHER_CTX_key_length(ctx) * 4,
849 xctx->xts.block2 = (block128_f) aes_t4_encrypt;
851 xctx->xts.key1 = &xctx->ks1;
855 xctx->xts.key2 = &xctx->ks2;
856 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16);
862 # define aes_t4_xts_cipher aes_xts_cipher
863 static int aes_t4_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
864 const unsigned char *in, size_t len);
866 static int aes_t4_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
867 const unsigned char *iv, int enc)
869 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
873 int bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
874 aes_t4_set_encrypt_key(key, bits, &cctx->ks.ks);
875 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
876 &cctx->ks, (block128_f) aes_t4_encrypt);
881 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
887 # define aes_t4_ccm_cipher aes_ccm_cipher
888 static int aes_t4_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
889 const unsigned char *in, size_t len);
891 # ifndef OPENSSL_NO_OCB
892 static int aes_t4_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
893 const unsigned char *iv, int enc)
895 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
901 * We set both the encrypt and decrypt key here because decrypt
902 * needs both. We could possibly optimise to remove setting the
903 * decrypt for an encryption operation.
905 aes_t4_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
907 aes_t4_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
909 if (!CRYPTO_ocb128_init(&octx->ocb,
910 &octx->ksenc.ks, &octx->ksdec.ks,
911 (block128_f) aes_t4_encrypt,
912 (block128_f) aes_t4_decrypt,
919 * If we have an iv we can set it directly, otherwise use saved IV.
921 if (iv == NULL && octx->iv_set)
924 if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen)
931 /* If key set use IV, otherwise copy */
933 CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen);
935 memcpy(octx->iv, iv, octx->ivlen);
941 # define aes_t4_ocb_cipher aes_ocb_cipher
942 static int aes_t4_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
943 const unsigned char *in, size_t len);
944 # endif /* OPENSSL_NO_OCB */
946 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
947 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
948 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
949 flags|EVP_CIPH_##MODE##_MODE, \
951 aes_t4_##mode##_cipher, \
953 sizeof(EVP_AES_KEY), \
954 NULL,NULL,NULL,NULL }; \
955 static const EVP_CIPHER aes_##keylen##_##mode = { \
956 nid##_##keylen##_##nmode,blocksize, \
958 flags|EVP_CIPH_##MODE##_MODE, \
960 aes_##mode##_cipher, \
962 sizeof(EVP_AES_KEY), \
963 NULL,NULL,NULL,NULL }; \
964 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
965 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
967 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
968 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
969 nid##_##keylen##_##mode,blocksize, \
970 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
971 flags|EVP_CIPH_##MODE##_MODE, \
972 aes_t4_##mode##_init_key, \
973 aes_t4_##mode##_cipher, \
974 aes_##mode##_cleanup, \
975 sizeof(EVP_AES_##MODE##_CTX), \
976 NULL,NULL,aes_##mode##_ctrl,NULL }; \
977 static const EVP_CIPHER aes_##keylen##_##mode = { \
978 nid##_##keylen##_##mode,blocksize, \
979 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
980 flags|EVP_CIPH_##MODE##_MODE, \
981 aes_##mode##_init_key, \
982 aes_##mode##_cipher, \
983 aes_##mode##_cleanup, \
984 sizeof(EVP_AES_##MODE##_CTX), \
985 NULL,NULL,aes_##mode##_ctrl,NULL }; \
986 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
987 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
991 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
992 static const EVP_CIPHER aes_##keylen##_##mode = { \
993 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
994 flags|EVP_CIPH_##MODE##_MODE, \
996 aes_##mode##_cipher, \
998 sizeof(EVP_AES_KEY), \
999 NULL,NULL,NULL,NULL }; \
1000 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
1001 { return &aes_##keylen##_##mode; }
1003 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
1004 static const EVP_CIPHER aes_##keylen##_##mode = { \
1005 nid##_##keylen##_##mode,blocksize, \
1006 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
1007 flags|EVP_CIPH_##MODE##_MODE, \
1008 aes_##mode##_init_key, \
1009 aes_##mode##_cipher, \
1010 aes_##mode##_cleanup, \
1011 sizeof(EVP_AES_##MODE##_CTX), \
1012 NULL,NULL,aes_##mode##_ctrl,NULL }; \
1013 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
1014 { return &aes_##keylen##_##mode; }
1018 #if defined(OPENSSL_CPUID_OBJ) && (defined(__arm__) || defined(__arm) || defined(__aarch64__))
1019 # include "arm_arch.h"
1020 # if __ARM_MAX_ARCH__>=7
1021 # if defined(BSAES_ASM)
1022 # define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
1024 # if defined(VPAES_ASM)
1025 # define VPAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
1027 # define HWAES_CAPABLE (OPENSSL_armcap_P & ARMV8_AES)
1028 # define HWAES_set_encrypt_key aes_v8_set_encrypt_key
1029 # define HWAES_set_decrypt_key aes_v8_set_decrypt_key
1030 # define HWAES_encrypt aes_v8_encrypt
1031 # define HWAES_decrypt aes_v8_decrypt
1032 # define HWAES_cbc_encrypt aes_v8_cbc_encrypt
1033 # define HWAES_ctr32_encrypt_blocks aes_v8_ctr32_encrypt_blocks
1037 #if defined(HWAES_CAPABLE)
1038 int HWAES_set_encrypt_key(const unsigned char *userKey, const int bits,
1040 int HWAES_set_decrypt_key(const unsigned char *userKey, const int bits,
1042 void HWAES_encrypt(const unsigned char *in, unsigned char *out,
1043 const AES_KEY *key);
1044 void HWAES_decrypt(const unsigned char *in, unsigned char *out,
1045 const AES_KEY *key);
1046 void HWAES_cbc_encrypt(const unsigned char *in, unsigned char *out,
1047 size_t length, const AES_KEY *key,
1048 unsigned char *ivec, const int enc);
1049 void HWAES_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
1050 size_t len, const AES_KEY *key,
1051 const unsigned char ivec[16]);
1054 #define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
1055 BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
1056 BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
1057 BLOCK_CIPHER_generic(nid,keylen,1,16,ofb128,ofb,OFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
1058 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb128,cfb,CFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
1059 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb1,cfb1,CFB,flags) \
1060 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags) \
1061 BLOCK_CIPHER_generic(nid,keylen,1,16,ctr,ctr,CTR,flags)
1063 static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1064 const unsigned char *iv, int enc)
1067 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1069 mode = EVP_CIPHER_CTX_mode(ctx);
1070 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
1072 #ifdef HWAES_CAPABLE
1073 if (HWAES_CAPABLE) {
1074 ret = HWAES_set_decrypt_key(key,
1075 EVP_CIPHER_CTX_key_length(ctx) * 8,
1077 dat->block = (block128_f) HWAES_decrypt;
1078 dat->stream.cbc = NULL;
1079 # ifdef HWAES_cbc_encrypt
1080 if (mode == EVP_CIPH_CBC_MODE)
1081 dat->stream.cbc = (cbc128_f) HWAES_cbc_encrypt;
1085 #ifdef BSAES_CAPABLE
1086 if (BSAES_CAPABLE && mode == EVP_CIPH_CBC_MODE) {
1087 ret = AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1089 dat->block = (block128_f) AES_decrypt;
1090 dat->stream.cbc = (cbc128_f) bsaes_cbc_encrypt;
1093 #ifdef VPAES_CAPABLE
1094 if (VPAES_CAPABLE) {
1095 ret = vpaes_set_decrypt_key(key,
1096 EVP_CIPHER_CTX_key_length(ctx) * 8,
1098 dat->block = (block128_f) vpaes_decrypt;
1099 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
1100 (cbc128_f) vpaes_cbc_encrypt : NULL;
1104 ret = AES_set_decrypt_key(key,
1105 EVP_CIPHER_CTX_key_length(ctx) * 8,
1107 dat->block = (block128_f) AES_decrypt;
1108 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
1109 (cbc128_f) AES_cbc_encrypt : NULL;
1111 #ifdef HWAES_CAPABLE
1112 if (HWAES_CAPABLE) {
1113 ret = HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1115 dat->block = (block128_f) HWAES_encrypt;
1116 dat->stream.cbc = NULL;
1117 # ifdef HWAES_cbc_encrypt
1118 if (mode == EVP_CIPH_CBC_MODE)
1119 dat->stream.cbc = (cbc128_f) HWAES_cbc_encrypt;
1122 # ifdef HWAES_ctr32_encrypt_blocks
1123 if (mode == EVP_CIPH_CTR_MODE)
1124 dat->stream.ctr = (ctr128_f) HWAES_ctr32_encrypt_blocks;
1127 (void)0; /* terminate potentially open 'else' */
1130 #ifdef BSAES_CAPABLE
1131 if (BSAES_CAPABLE && mode == EVP_CIPH_CTR_MODE) {
1132 ret = AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1134 dat->block = (block128_f) AES_encrypt;
1135 dat->stream.ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks;
1138 #ifdef VPAES_CAPABLE
1139 if (VPAES_CAPABLE) {
1140 ret = vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1142 dat->block = (block128_f) vpaes_encrypt;
1143 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
1144 (cbc128_f) vpaes_cbc_encrypt : NULL;
1148 ret = AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1150 dat->block = (block128_f) AES_encrypt;
1151 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
1152 (cbc128_f) AES_cbc_encrypt : NULL;
1154 if (mode == EVP_CIPH_CTR_MODE)
1155 dat->stream.ctr = (ctr128_f) AES_ctr32_encrypt;
1160 EVPerr(EVP_F_AES_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
1167 static int aes_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1168 const unsigned char *in, size_t len)
1170 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1172 if (dat->stream.cbc)
1173 (*dat->stream.cbc) (in, out, len, &dat->ks,
1174 EVP_CIPHER_CTX_iv_noconst(ctx),
1175 EVP_CIPHER_CTX_encrypting(ctx));
1176 else if (EVP_CIPHER_CTX_encrypting(ctx))
1177 CRYPTO_cbc128_encrypt(in, out, len, &dat->ks,
1178 EVP_CIPHER_CTX_iv_noconst(ctx), dat->block);
1180 CRYPTO_cbc128_decrypt(in, out, len, &dat->ks,
1181 EVP_CIPHER_CTX_iv_noconst(ctx), dat->block);
1186 static int aes_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1187 const unsigned char *in, size_t len)
1189 size_t bl = EVP_CIPHER_CTX_block_size(ctx);
1191 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1196 for (i = 0, len -= bl; i <= len; i += bl)
1197 (*dat->block) (in + i, out + i, &dat->ks);
1202 static int aes_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1203 const unsigned char *in, size_t len)
1205 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1207 int num = EVP_CIPHER_CTX_num(ctx);
1208 CRYPTO_ofb128_encrypt(in, out, len, &dat->ks,
1209 EVP_CIPHER_CTX_iv_noconst(ctx), &num, dat->block);
1210 EVP_CIPHER_CTX_set_num(ctx, num);
1214 static int aes_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1215 const unsigned char *in, size_t len)
1217 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1219 int num = EVP_CIPHER_CTX_num(ctx);
1220 CRYPTO_cfb128_encrypt(in, out, len, &dat->ks,
1221 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1222 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1223 EVP_CIPHER_CTX_set_num(ctx, num);
1227 static int aes_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1228 const unsigned char *in, size_t len)
1230 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1232 int num = EVP_CIPHER_CTX_num(ctx);
1233 CRYPTO_cfb128_8_encrypt(in, out, len, &dat->ks,
1234 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1235 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1236 EVP_CIPHER_CTX_set_num(ctx, num);
1240 static int aes_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1241 const unsigned char *in, size_t len)
1243 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1245 if (EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS)) {
1246 int num = EVP_CIPHER_CTX_num(ctx);
1247 CRYPTO_cfb128_1_encrypt(in, out, len, &dat->ks,
1248 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1249 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1250 EVP_CIPHER_CTX_set_num(ctx, num);
1254 while (len >= MAXBITCHUNK) {
1255 int num = EVP_CIPHER_CTX_num(ctx);
1256 CRYPTO_cfb128_1_encrypt(in, out, MAXBITCHUNK * 8, &dat->ks,
1257 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1258 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1259 EVP_CIPHER_CTX_set_num(ctx, num);
1263 int num = EVP_CIPHER_CTX_num(ctx);
1264 CRYPTO_cfb128_1_encrypt(in, out, len * 8, &dat->ks,
1265 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1266 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1267 EVP_CIPHER_CTX_set_num(ctx, num);
1273 static int aes_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1274 const unsigned char *in, size_t len)
1276 unsigned int num = EVP_CIPHER_CTX_num(ctx);
1277 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1279 if (dat->stream.ctr)
1280 CRYPTO_ctr128_encrypt_ctr32(in, out, len, &dat->ks,
1281 EVP_CIPHER_CTX_iv_noconst(ctx),
1282 EVP_CIPHER_CTX_buf_noconst(ctx),
1283 &num, dat->stream.ctr);
1285 CRYPTO_ctr128_encrypt(in, out, len, &dat->ks,
1286 EVP_CIPHER_CTX_iv_noconst(ctx),
1287 EVP_CIPHER_CTX_buf_noconst(ctx), &num,
1289 EVP_CIPHER_CTX_set_num(ctx, num);
1293 BLOCK_CIPHER_generic_pack(NID_aes, 128, 0)
1294 BLOCK_CIPHER_generic_pack(NID_aes, 192, 0)
1295 BLOCK_CIPHER_generic_pack(NID_aes, 256, 0)
1297 static int aes_gcm_cleanup(EVP_CIPHER_CTX *c)
1299 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,c);
1300 OPENSSL_cleanse(&gctx->gcm, sizeof(gctx->gcm));
1301 if (gctx->iv != EVP_CIPHER_CTX_iv_noconst(c))
1302 OPENSSL_free(gctx->iv);
1306 /* increment counter (64-bit int) by 1 */
1307 static void ctr64_inc(unsigned char *counter)
1322 static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1324 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,c);
1329 gctx->ivlen = EVP_CIPHER_CTX_iv_length(c);
1330 gctx->iv = EVP_CIPHER_CTX_iv_noconst(c);
1333 gctx->tls_aad_len = -1;
1336 case EVP_CTRL_AEAD_SET_IVLEN:
1339 /* Allocate memory for IV if needed */
1340 if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen)) {
1341 if (gctx->iv != EVP_CIPHER_CTX_iv_noconst(c))
1342 OPENSSL_free(gctx->iv);
1343 gctx->iv = OPENSSL_malloc(arg);
1344 if (gctx->iv == NULL)
1350 case EVP_CTRL_AEAD_SET_TAG:
1351 if (arg <= 0 || arg > 16 || EVP_CIPHER_CTX_encrypting(c))
1353 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
1357 case EVP_CTRL_AEAD_GET_TAG:
1358 if (arg <= 0 || arg > 16 || !EVP_CIPHER_CTX_encrypting(c)
1359 || gctx->taglen < 0)
1361 memcpy(ptr, EVP_CIPHER_CTX_buf_noconst(c), arg);
1364 case EVP_CTRL_GCM_SET_IV_FIXED:
1365 /* Special case: -1 length restores whole IV */
1367 memcpy(gctx->iv, ptr, gctx->ivlen);
1372 * Fixed field must be at least 4 bytes and invocation field at least
1375 if ((arg < 4) || (gctx->ivlen - arg) < 8)
1378 memcpy(gctx->iv, ptr, arg);
1379 if (EVP_CIPHER_CTX_encrypting(c)
1380 && RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
1385 case EVP_CTRL_GCM_IV_GEN:
1386 if (gctx->iv_gen == 0 || gctx->key_set == 0)
1388 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1389 if (arg <= 0 || arg > gctx->ivlen)
1391 memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
1393 * Invocation field will be at least 8 bytes in size and so no need
1394 * to check wrap around or increment more than last 8 bytes.
1396 ctr64_inc(gctx->iv + gctx->ivlen - 8);
1400 case EVP_CTRL_GCM_SET_IV_INV:
1401 if (gctx->iv_gen == 0 || gctx->key_set == 0
1402 || EVP_CIPHER_CTX_encrypting(c))
1404 memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
1405 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1409 case EVP_CTRL_AEAD_TLS1_AAD:
1410 /* Save the AAD for later use */
1411 if (arg != EVP_AEAD_TLS1_AAD_LEN)
1413 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
1414 gctx->tls_aad_len = arg;
1417 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8
1418 | EVP_CIPHER_CTX_buf_noconst(c)[arg - 1];
1419 /* Correct length for explicit IV */
1420 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
1421 /* If decrypting correct for tag too */
1422 if (!EVP_CIPHER_CTX_encrypting(c))
1423 len -= EVP_GCM_TLS_TAG_LEN;
1424 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8;
1425 EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff;
1427 /* Extra padding: tag appended to record */
1428 return EVP_GCM_TLS_TAG_LEN;
1432 EVP_CIPHER_CTX *out = ptr;
1433 EVP_AES_GCM_CTX *gctx_out = EVP_C_DATA(EVP_AES_GCM_CTX,out);
1434 if (gctx->gcm.key) {
1435 if (gctx->gcm.key != &gctx->ks)
1437 gctx_out->gcm.key = &gctx_out->ks;
1439 if (gctx->iv == EVP_CIPHER_CTX_iv_noconst(c))
1440 gctx_out->iv = EVP_CIPHER_CTX_iv_noconst(out);
1442 gctx_out->iv = OPENSSL_malloc(gctx->ivlen);
1443 if (gctx_out->iv == NULL)
1445 memcpy(gctx_out->iv, gctx->iv, gctx->ivlen);
1456 static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1457 const unsigned char *iv, int enc)
1459 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
1464 #ifdef HWAES_CAPABLE
1465 if (HWAES_CAPABLE) {
1466 HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1468 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1469 (block128_f) HWAES_encrypt);
1470 # ifdef HWAES_ctr32_encrypt_blocks
1471 gctx->ctr = (ctr128_f) HWAES_ctr32_encrypt_blocks;
1478 #ifdef BSAES_CAPABLE
1479 if (BSAES_CAPABLE) {
1480 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1482 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1483 (block128_f) AES_encrypt);
1484 gctx->ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks;
1488 #ifdef VPAES_CAPABLE
1489 if (VPAES_CAPABLE) {
1490 vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1492 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1493 (block128_f) vpaes_encrypt);
1498 (void)0; /* terminate potentially open 'else' */
1500 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1502 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1503 (block128_f) AES_encrypt);
1505 gctx->ctr = (ctr128_f) AES_ctr32_encrypt;
1512 * If we have an iv can set it directly, otherwise use saved IV.
1514 if (iv == NULL && gctx->iv_set)
1517 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1522 /* If key set use IV, otherwise copy */
1524 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1526 memcpy(gctx->iv, iv, gctx->ivlen);
1534 * Handle TLS GCM packet format. This consists of the last portion of the IV
1535 * followed by the payload and finally the tag. On encrypt generate IV,
1536 * encrypt payload and write the tag. On verify retrieve IV, decrypt payload
1540 static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1541 const unsigned char *in, size_t len)
1543 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
1545 /* Encrypt/decrypt must be performed in place */
1547 || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN))
1550 * Set IV from start of buffer or generate IV and write to start of
1553 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CIPHER_CTX_encrypting(ctx) ?
1554 EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
1555 EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
1558 if (CRYPTO_gcm128_aad(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx),
1561 /* Fix buffer and length to point to payload */
1562 in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1563 out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1564 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1565 if (EVP_CIPHER_CTX_encrypting(ctx)) {
1566 /* Encrypt payload */
1569 #if defined(AES_GCM_ASM)
1570 if (len >= 32 && AES_GCM_ASM(gctx)) {
1571 if (CRYPTO_gcm128_encrypt(&gctx->gcm, NULL, NULL, 0))
1574 bulk = AES_gcm_encrypt(in, out, len,
1576 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1577 gctx->gcm.len.u[1] += bulk;
1580 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1583 len - bulk, gctx->ctr))
1587 #if defined(AES_GCM_ASM2)
1588 if (len >= 32 && AES_GCM_ASM2(gctx)) {
1589 if (CRYPTO_gcm128_encrypt(&gctx->gcm, NULL, NULL, 0))
1592 bulk = AES_gcm_encrypt(in, out, len,
1594 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1595 gctx->gcm.len.u[1] += bulk;
1598 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1599 in + bulk, out + bulk, len - bulk))
1603 /* Finally write tag */
1604 CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
1605 rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1610 #if defined(AES_GCM_ASM)
1611 if (len >= 16 && AES_GCM_ASM(gctx)) {
1612 if (CRYPTO_gcm128_decrypt(&gctx->gcm, NULL, NULL, 0))
1615 bulk = AES_gcm_decrypt(in, out, len,
1617 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1618 gctx->gcm.len.u[1] += bulk;
1621 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1624 len - bulk, gctx->ctr))
1628 #if defined(AES_GCM_ASM2)
1629 if (len >= 16 && AES_GCM_ASM2(gctx)) {
1630 if (CRYPTO_gcm128_decrypt(&gctx->gcm, NULL, NULL, 0))
1633 bulk = AES_gcm_decrypt(in, out, len,
1635 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1636 gctx->gcm.len.u[1] += bulk;
1639 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1640 in + bulk, out + bulk, len - bulk))
1644 CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx),
1645 EVP_GCM_TLS_TAG_LEN);
1646 /* If tag mismatch wipe buffer */
1647 if (CRYPTO_memcmp(EVP_CIPHER_CTX_buf_noconst(ctx), in + len,
1648 EVP_GCM_TLS_TAG_LEN)) {
1649 OPENSSL_cleanse(out, len);
1657 gctx->tls_aad_len = -1;
1661 static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1662 const unsigned char *in, size_t len)
1664 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
1665 /* If not set up, return error */
1669 if (gctx->tls_aad_len >= 0)
1670 return aes_gcm_tls_cipher(ctx, out, in, len);
1676 if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
1678 } else if (EVP_CIPHER_CTX_encrypting(ctx)) {
1681 #if defined(AES_GCM_ASM)
1682 if (len >= 32 && AES_GCM_ASM(gctx)) {
1683 size_t res = (16 - gctx->gcm.mres) % 16;
1685 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, res))
1688 bulk = AES_gcm_encrypt(in + res,
1689 out + res, len - res,
1690 gctx->gcm.key, gctx->gcm.Yi.c,
1692 gctx->gcm.len.u[1] += bulk;
1696 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1699 len - bulk, gctx->ctr))
1703 #if defined(AES_GCM_ASM2)
1704 if (len >= 32 && AES_GCM_ASM2(gctx)) {
1705 size_t res = (16 - gctx->gcm.mres) % 16;
1707 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, res))
1710 bulk = AES_gcm_encrypt(in + res,
1711 out + res, len - res,
1712 gctx->gcm.key, gctx->gcm.Yi.c,
1714 gctx->gcm.len.u[1] += bulk;
1718 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1719 in + bulk, out + bulk, len - bulk))
1725 #if defined(AES_GCM_ASM)
1726 if (len >= 16 && AES_GCM_ASM(gctx)) {
1727 size_t res = (16 - gctx->gcm.mres) % 16;
1729 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, res))
1732 bulk = AES_gcm_decrypt(in + res,
1733 out + res, len - res,
1735 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1736 gctx->gcm.len.u[1] += bulk;
1740 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1743 len - bulk, gctx->ctr))
1747 #if defined(AES_GCM_ASM2)
1748 if (len >= 16 && AES_GCM_ASM2(gctx)) {
1749 size_t res = (16 - gctx->gcm.mres) % 16;
1751 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, res))
1754 bulk = AES_gcm_decrypt(in + res,
1755 out + res, len - res,
1757 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1758 gctx->gcm.len.u[1] += bulk;
1762 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1763 in + bulk, out + bulk, len - bulk))
1769 if (!EVP_CIPHER_CTX_encrypting(ctx)) {
1770 if (gctx->taglen < 0)
1772 if (CRYPTO_gcm128_finish(&gctx->gcm,
1773 EVP_CIPHER_CTX_buf_noconst(ctx),
1779 CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx), 16);
1781 /* Don't reuse the IV */
1788 #define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
1789 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
1790 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
1791 | EVP_CIPH_CUSTOM_COPY)
1793 BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, gcm, GCM,
1794 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
1795 BLOCK_CIPHER_custom(NID_aes, 192, 1, 12, gcm, GCM,
1796 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
1797 BLOCK_CIPHER_custom(NID_aes, 256, 1, 12, gcm, GCM,
1798 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
1800 static int aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1802 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,c);
1803 if (type == EVP_CTRL_COPY) {
1804 EVP_CIPHER_CTX *out = ptr;
1805 EVP_AES_XTS_CTX *xctx_out = EVP_C_DATA(EVP_AES_XTS_CTX,out);
1806 if (xctx->xts.key1) {
1807 if (xctx->xts.key1 != &xctx->ks1)
1809 xctx_out->xts.key1 = &xctx_out->ks1;
1811 if (xctx->xts.key2) {
1812 if (xctx->xts.key2 != &xctx->ks2)
1814 xctx_out->xts.key2 = &xctx_out->ks2;
1817 } else if (type != EVP_CTRL_INIT)
1819 /* key1 and key2 are used as an indicator both key and IV are set */
1820 xctx->xts.key1 = NULL;
1821 xctx->xts.key2 = NULL;
1825 static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1826 const unsigned char *iv, int enc)
1828 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
1835 xctx->stream = enc ? AES_xts_encrypt : AES_xts_decrypt;
1837 xctx->stream = NULL;
1839 /* key_len is two AES keys */
1840 #ifdef HWAES_CAPABLE
1841 if (HWAES_CAPABLE) {
1843 HWAES_set_encrypt_key(key,
1844 EVP_CIPHER_CTX_key_length(ctx) * 4,
1846 xctx->xts.block1 = (block128_f) HWAES_encrypt;
1848 HWAES_set_decrypt_key(key,
1849 EVP_CIPHER_CTX_key_length(ctx) * 4,
1851 xctx->xts.block1 = (block128_f) HWAES_decrypt;
1854 HWAES_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
1855 EVP_CIPHER_CTX_key_length(ctx) * 4,
1857 xctx->xts.block2 = (block128_f) HWAES_encrypt;
1859 xctx->xts.key1 = &xctx->ks1;
1863 #ifdef BSAES_CAPABLE
1865 xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt;
1868 #ifdef VPAES_CAPABLE
1869 if (VPAES_CAPABLE) {
1871 vpaes_set_encrypt_key(key,
1872 EVP_CIPHER_CTX_key_length(ctx) * 4,
1874 xctx->xts.block1 = (block128_f) vpaes_encrypt;
1876 vpaes_set_decrypt_key(key,
1877 EVP_CIPHER_CTX_key_length(ctx) * 4,
1879 xctx->xts.block1 = (block128_f) vpaes_decrypt;
1882 vpaes_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
1883 EVP_CIPHER_CTX_key_length(ctx) * 4,
1885 xctx->xts.block2 = (block128_f) vpaes_encrypt;
1887 xctx->xts.key1 = &xctx->ks1;
1891 (void)0; /* terminate potentially open 'else' */
1894 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
1896 xctx->xts.block1 = (block128_f) AES_encrypt;
1898 AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
1900 xctx->xts.block1 = (block128_f) AES_decrypt;
1903 AES_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
1904 EVP_CIPHER_CTX_key_length(ctx) * 4,
1906 xctx->xts.block2 = (block128_f) AES_encrypt;
1908 xctx->xts.key1 = &xctx->ks1;
1912 xctx->xts.key2 = &xctx->ks2;
1913 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16);
1919 static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1920 const unsigned char *in, size_t len)
1922 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
1923 if (!xctx->xts.key1 || !xctx->xts.key2)
1925 if (!out || !in || len < AES_BLOCK_SIZE)
1928 (*xctx->stream) (in, out, len,
1929 xctx->xts.key1, xctx->xts.key2,
1930 EVP_CIPHER_CTX_iv_noconst(ctx));
1931 else if (CRYPTO_xts128_encrypt(&xctx->xts, EVP_CIPHER_CTX_iv_noconst(ctx),
1933 EVP_CIPHER_CTX_encrypting(ctx)))
1938 #define aes_xts_cleanup NULL
1940 #define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \
1941 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
1942 | EVP_CIPH_CUSTOM_COPY)
1944 BLOCK_CIPHER_custom(NID_aes, 128, 1, 16, xts, XTS, XTS_FLAGS)
1945 BLOCK_CIPHER_custom(NID_aes, 256, 1, 16, xts, XTS, XTS_FLAGS)
1947 static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1949 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,c);
1958 cctx->tls_aad_len = -1;
1961 case EVP_CTRL_AEAD_TLS1_AAD:
1962 /* Save the AAD for later use */
1963 if (arg != EVP_AEAD_TLS1_AAD_LEN)
1965 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
1966 cctx->tls_aad_len = arg;
1969 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8
1970 | EVP_CIPHER_CTX_buf_noconst(c)[arg - 1];
1971 /* Correct length for explicit IV */
1972 len -= EVP_CCM_TLS_EXPLICIT_IV_LEN;
1973 /* If decrypting correct for tag too */
1974 if (!EVP_CIPHER_CTX_encrypting(c))
1976 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8;
1977 EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff;
1979 /* Extra padding: tag appended to record */
1982 case EVP_CTRL_CCM_SET_IV_FIXED:
1983 /* Sanity check length */
1984 if (arg != EVP_CCM_TLS_FIXED_IV_LEN)
1986 /* Just copy to first part of IV */
1987 memcpy(EVP_CIPHER_CTX_iv_noconst(c), ptr, arg);
1990 case EVP_CTRL_AEAD_SET_IVLEN:
1992 case EVP_CTRL_CCM_SET_L:
1993 if (arg < 2 || arg > 8)
1998 case EVP_CTRL_AEAD_SET_TAG:
1999 if ((arg & 1) || arg < 4 || arg > 16)
2001 if (EVP_CIPHER_CTX_encrypting(c) && ptr)
2005 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
2010 case EVP_CTRL_AEAD_GET_TAG:
2011 if (!EVP_CIPHER_CTX_encrypting(c) || !cctx->tag_set)
2013 if (!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
2022 EVP_CIPHER_CTX *out = ptr;
2023 EVP_AES_CCM_CTX *cctx_out = EVP_C_DATA(EVP_AES_CCM_CTX,out);
2024 if (cctx->ccm.key) {
2025 if (cctx->ccm.key != &cctx->ks)
2027 cctx_out->ccm.key = &cctx_out->ks;
2038 static int aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
2039 const unsigned char *iv, int enc)
2041 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
2046 #ifdef HWAES_CAPABLE
2047 if (HWAES_CAPABLE) {
2048 HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2051 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
2052 &cctx->ks, (block128_f) HWAES_encrypt);
2058 #ifdef VPAES_CAPABLE
2059 if (VPAES_CAPABLE) {
2060 vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2062 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
2063 &cctx->ks, (block128_f) vpaes_encrypt);
2069 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2071 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
2072 &cctx->ks, (block128_f) AES_encrypt);
2077 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
2083 static int aes_ccm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2084 const unsigned char *in, size_t len)
2086 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
2087 CCM128_CONTEXT *ccm = &cctx->ccm;
2088 /* Encrypt/decrypt must be performed in place */
2089 if (out != in || len < (EVP_CCM_TLS_EXPLICIT_IV_LEN + (size_t)cctx->M))
2091 /* If encrypting set explicit IV from sequence number (start of AAD) */
2092 if (EVP_CIPHER_CTX_encrypting(ctx))
2093 memcpy(out, EVP_CIPHER_CTX_buf_noconst(ctx),
2094 EVP_CCM_TLS_EXPLICIT_IV_LEN);
2095 /* Get rest of IV from explicit IV */
2096 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx) + EVP_CCM_TLS_FIXED_IV_LEN, in,
2097 EVP_CCM_TLS_EXPLICIT_IV_LEN);
2098 /* Correct length value */
2099 len -= EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->M;
2100 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx), 15 - cctx->L,
2104 CRYPTO_ccm128_aad(ccm, EVP_CIPHER_CTX_buf_noconst(ctx), cctx->tls_aad_len);
2105 /* Fix buffer to point to payload */
2106 in += EVP_CCM_TLS_EXPLICIT_IV_LEN;
2107 out += EVP_CCM_TLS_EXPLICIT_IV_LEN;
2108 if (EVP_CIPHER_CTX_encrypting(ctx)) {
2109 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
2111 CRYPTO_ccm128_encrypt(ccm, in, out, len))
2113 if (!CRYPTO_ccm128_tag(ccm, out + len, cctx->M))
2115 return len + EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->M;
2117 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
2119 !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
2120 unsigned char tag[16];
2121 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
2122 if (!CRYPTO_memcmp(tag, in + len, cctx->M))
2126 OPENSSL_cleanse(out, len);
2131 static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2132 const unsigned char *in, size_t len)
2134 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
2135 CCM128_CONTEXT *ccm = &cctx->ccm;
2136 /* If not set up, return error */
2140 if (cctx->tls_aad_len >= 0)
2141 return aes_ccm_tls_cipher(ctx, out, in, len);
2146 if (!EVP_CIPHER_CTX_encrypting(ctx) && !cctx->tag_set)
2150 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx),
2156 /* If have AAD need message length */
2157 if (!cctx->len_set && len)
2159 CRYPTO_ccm128_aad(ccm, in, len);
2162 /* EVP_*Final() doesn't return any data */
2165 /* If not set length yet do it */
2166 if (!cctx->len_set) {
2167 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx),
2172 if (EVP_CIPHER_CTX_encrypting(ctx)) {
2173 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
2175 CRYPTO_ccm128_encrypt(ccm, in, out, len))
2181 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
2183 !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
2184 unsigned char tag[16];
2185 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
2186 if (!CRYPTO_memcmp(tag, EVP_CIPHER_CTX_buf_noconst(ctx),
2192 OPENSSL_cleanse(out, len);
2200 #define aes_ccm_cleanup NULL
2202 BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, ccm, CCM,
2203 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2204 BLOCK_CIPHER_custom(NID_aes, 192, 1, 12, ccm, CCM,
2205 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2206 BLOCK_CIPHER_custom(NID_aes, 256, 1, 12, ccm, CCM,
2207 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2214 /* Indicates if IV has been set */
2218 static int aes_wrap_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
2219 const unsigned char *iv, int enc)
2221 EVP_AES_WRAP_CTX *wctx = EVP_C_DATA(EVP_AES_WRAP_CTX,ctx);
2225 if (EVP_CIPHER_CTX_encrypting(ctx))
2226 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2229 AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2235 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, EVP_CIPHER_CTX_iv_length(ctx));
2236 wctx->iv = EVP_CIPHER_CTX_iv_noconst(ctx);
2241 static int aes_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2242 const unsigned char *in, size_t inlen)
2244 EVP_AES_WRAP_CTX *wctx = EVP_C_DATA(EVP_AES_WRAP_CTX,ctx);
2246 /* AES wrap with padding has IV length of 4, without padding 8 */
2247 int pad = EVP_CIPHER_CTX_iv_length(ctx) == 4;
2248 /* No final operation so always return zero length */
2251 /* Input length must always be non-zero */
2254 /* If decrypting need at least 16 bytes and multiple of 8 */
2255 if (!EVP_CIPHER_CTX_encrypting(ctx) && (inlen < 16 || inlen & 0x7))
2257 /* If not padding input must be multiple of 8 */
2258 if (!pad && inlen & 0x7)
2261 if (EVP_CIPHER_CTX_encrypting(ctx)) {
2262 /* If padding round up to multiple of 8 */
2264 inlen = (inlen + 7) / 8 * 8;
2269 * If not padding output will be exactly 8 bytes smaller than
2270 * input. If padding it will be at least 8 bytes smaller but we
2271 * don't know how much.
2277 if (EVP_CIPHER_CTX_encrypting(ctx))
2278 rv = CRYPTO_128_wrap_pad(&wctx->ks.ks, wctx->iv,
2280 (block128_f) AES_encrypt);
2282 rv = CRYPTO_128_unwrap_pad(&wctx->ks.ks, wctx->iv,
2284 (block128_f) AES_decrypt);
2286 if (EVP_CIPHER_CTX_encrypting(ctx))
2287 rv = CRYPTO_128_wrap(&wctx->ks.ks, wctx->iv,
2288 out, in, inlen, (block128_f) AES_encrypt);
2290 rv = CRYPTO_128_unwrap(&wctx->ks.ks, wctx->iv,
2291 out, in, inlen, (block128_f) AES_decrypt);
2293 return rv ? (int)rv : -1;
2296 #define WRAP_FLAGS (EVP_CIPH_WRAP_MODE \
2297 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
2298 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_FLAG_DEFAULT_ASN1)
2300 static const EVP_CIPHER aes_128_wrap = {
2302 8, 16, 8, WRAP_FLAGS,
2303 aes_wrap_init_key, aes_wrap_cipher,
2305 sizeof(EVP_AES_WRAP_CTX),
2306 NULL, NULL, NULL, NULL
2309 const EVP_CIPHER *EVP_aes_128_wrap(void)
2311 return &aes_128_wrap;
2314 static const EVP_CIPHER aes_192_wrap = {
2316 8, 24, 8, WRAP_FLAGS,
2317 aes_wrap_init_key, aes_wrap_cipher,
2319 sizeof(EVP_AES_WRAP_CTX),
2320 NULL, NULL, NULL, NULL
2323 const EVP_CIPHER *EVP_aes_192_wrap(void)
2325 return &aes_192_wrap;
2328 static const EVP_CIPHER aes_256_wrap = {
2330 8, 32, 8, WRAP_FLAGS,
2331 aes_wrap_init_key, aes_wrap_cipher,
2333 sizeof(EVP_AES_WRAP_CTX),
2334 NULL, NULL, NULL, NULL
2337 const EVP_CIPHER *EVP_aes_256_wrap(void)
2339 return &aes_256_wrap;
2342 static const EVP_CIPHER aes_128_wrap_pad = {
2343 NID_id_aes128_wrap_pad,
2344 8, 16, 4, WRAP_FLAGS,
2345 aes_wrap_init_key, aes_wrap_cipher,
2347 sizeof(EVP_AES_WRAP_CTX),
2348 NULL, NULL, NULL, NULL
2351 const EVP_CIPHER *EVP_aes_128_wrap_pad(void)
2353 return &aes_128_wrap_pad;
2356 static const EVP_CIPHER aes_192_wrap_pad = {
2357 NID_id_aes192_wrap_pad,
2358 8, 24, 4, WRAP_FLAGS,
2359 aes_wrap_init_key, aes_wrap_cipher,
2361 sizeof(EVP_AES_WRAP_CTX),
2362 NULL, NULL, NULL, NULL
2365 const EVP_CIPHER *EVP_aes_192_wrap_pad(void)
2367 return &aes_192_wrap_pad;
2370 static const EVP_CIPHER aes_256_wrap_pad = {
2371 NID_id_aes256_wrap_pad,
2372 8, 32, 4, WRAP_FLAGS,
2373 aes_wrap_init_key, aes_wrap_cipher,
2375 sizeof(EVP_AES_WRAP_CTX),
2376 NULL, NULL, NULL, NULL
2379 const EVP_CIPHER *EVP_aes_256_wrap_pad(void)
2381 return &aes_256_wrap_pad;
2384 #ifndef OPENSSL_NO_OCB
2385 static int aes_ocb_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
2387 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,c);
2388 EVP_CIPHER_CTX *newc;
2389 EVP_AES_OCB_CTX *new_octx;
2395 octx->ivlen = EVP_CIPHER_CTX_iv_length(c);
2396 octx->iv = EVP_CIPHER_CTX_iv_noconst(c);
2398 octx->data_buf_len = 0;
2399 octx->aad_buf_len = 0;
2402 case EVP_CTRL_AEAD_SET_IVLEN:
2403 /* IV len must be 1 to 15 */
2404 if (arg <= 0 || arg > 15)
2410 case EVP_CTRL_AEAD_SET_TAG:
2412 /* Tag len must be 0 to 16 */
2413 if (arg < 0 || arg > 16)
2419 if (arg != octx->taglen || EVP_CIPHER_CTX_encrypting(c))
2421 memcpy(octx->tag, ptr, arg);
2424 case EVP_CTRL_AEAD_GET_TAG:
2425 if (arg != octx->taglen || !EVP_CIPHER_CTX_encrypting(c))
2428 memcpy(ptr, octx->tag, arg);
2432 newc = (EVP_CIPHER_CTX *)ptr;
2433 new_octx = EVP_C_DATA(EVP_AES_OCB_CTX,newc);
2434 return CRYPTO_ocb128_copy_ctx(&new_octx->ocb, &octx->ocb,
2435 &new_octx->ksenc.ks,
2436 &new_octx->ksdec.ks);
2444 # ifdef HWAES_CAPABLE
2445 # ifdef HWAES_ocb_encrypt
2446 void HWAES_ocb_encrypt(const unsigned char *in, unsigned char *out,
2447 size_t blocks, const void *key,
2448 size_t start_block_num,
2449 unsigned char offset_i[16],
2450 const unsigned char L_[][16],
2451 unsigned char checksum[16]);
2453 # define HWAES_ocb_encrypt NULL
2455 # ifdef HWAES_ocb_decrypt
2456 void HWAES_ocb_decrypt(const unsigned char *in, unsigned char *out,
2457 size_t blocks, const void *key,
2458 size_t start_block_num,
2459 unsigned char offset_i[16],
2460 const unsigned char L_[][16],
2461 unsigned char checksum[16]);
2463 # define HWAES_ocb_decrypt NULL
2467 static int aes_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
2468 const unsigned char *iv, int enc)
2470 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
2476 * We set both the encrypt and decrypt key here because decrypt
2477 * needs both. We could possibly optimise to remove setting the
2478 * decrypt for an encryption operation.
2480 # ifdef HWAES_CAPABLE
2481 if (HWAES_CAPABLE) {
2482 HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2484 HWAES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2486 if (!CRYPTO_ocb128_init(&octx->ocb,
2487 &octx->ksenc.ks, &octx->ksdec.ks,
2488 (block128_f) HWAES_encrypt,
2489 (block128_f) HWAES_decrypt,
2490 enc ? HWAES_ocb_encrypt
2491 : HWAES_ocb_decrypt))
2496 # ifdef VPAES_CAPABLE
2497 if (VPAES_CAPABLE) {
2498 vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2500 vpaes_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2502 if (!CRYPTO_ocb128_init(&octx->ocb,
2503 &octx->ksenc.ks, &octx->ksdec.ks,
2504 (block128_f) vpaes_encrypt,
2505 (block128_f) vpaes_decrypt,
2511 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2513 AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2515 if (!CRYPTO_ocb128_init(&octx->ocb,
2516 &octx->ksenc.ks, &octx->ksdec.ks,
2517 (block128_f) AES_encrypt,
2518 (block128_f) AES_decrypt,
2525 * If we have an iv we can set it directly, otherwise use saved IV.
2527 if (iv == NULL && octx->iv_set)
2530 if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen)
2537 /* If key set use IV, otherwise copy */
2539 CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen);
2541 memcpy(octx->iv, iv, octx->ivlen);
2547 static int aes_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2548 const unsigned char *in, size_t len)
2552 int written_len = 0;
2553 size_t trailing_len;
2554 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
2556 /* If IV or Key not set then return error */
2565 * Need to ensure we are only passing full blocks to low level OCB
2566 * routines. We do it here rather than in EVP_EncryptUpdate/
2567 * EVP_DecryptUpdate because we need to pass full blocks of AAD too
2568 * and those routines don't support that
2571 /* Are we dealing with AAD or normal data here? */
2573 buf = octx->aad_buf;
2574 buf_len = &(octx->aad_buf_len);
2576 buf = octx->data_buf;
2577 buf_len = &(octx->data_buf_len);
2581 * If we've got a partially filled buffer from a previous call then
2582 * use that data first
2585 unsigned int remaining;
2587 remaining = 16 - (*buf_len);
2588 if (remaining > len) {
2589 memcpy(buf + (*buf_len), in, len);
2593 memcpy(buf + (*buf_len), in, remaining);
2596 * If we get here we've filled the buffer, so process it
2601 if (!CRYPTO_ocb128_aad(&octx->ocb, buf, 16))
2603 } else if (EVP_CIPHER_CTX_encrypting(ctx)) {
2604 if (!CRYPTO_ocb128_encrypt(&octx->ocb, buf, out, 16))
2607 if (!CRYPTO_ocb128_decrypt(&octx->ocb, buf, out, 16))
2614 /* Do we have a partial block to handle at the end? */
2615 trailing_len = len % 16;
2618 * If we've got some full blocks to handle, then process these first
2620 if (len != trailing_len) {
2622 if (!CRYPTO_ocb128_aad(&octx->ocb, in, len - trailing_len))
2624 } else if (EVP_CIPHER_CTX_encrypting(ctx)) {
2625 if (!CRYPTO_ocb128_encrypt
2626 (&octx->ocb, in, out, len - trailing_len))
2629 if (!CRYPTO_ocb128_decrypt
2630 (&octx->ocb, in, out, len - trailing_len))
2633 written_len += len - trailing_len;
2634 in += len - trailing_len;
2637 /* Handle any trailing partial block */
2639 memcpy(buf, in, trailing_len);
2640 *buf_len = trailing_len;
2646 * First of all empty the buffer of any partial block that we might
2647 * have been provided - both for data and AAD
2649 if (octx->data_buf_len) {
2650 if (EVP_CIPHER_CTX_encrypting(ctx)) {
2651 if (!CRYPTO_ocb128_encrypt(&octx->ocb, octx->data_buf, out,
2652 octx->data_buf_len))
2655 if (!CRYPTO_ocb128_decrypt(&octx->ocb, octx->data_buf, out,
2656 octx->data_buf_len))
2659 written_len = octx->data_buf_len;
2660 octx->data_buf_len = 0;
2662 if (octx->aad_buf_len) {
2663 if (!CRYPTO_ocb128_aad
2664 (&octx->ocb, octx->aad_buf, octx->aad_buf_len))
2666 octx->aad_buf_len = 0;
2668 /* If decrypting then verify */
2669 if (!EVP_CIPHER_CTX_encrypting(ctx)) {
2670 if (octx->taglen < 0)
2672 if (CRYPTO_ocb128_finish(&octx->ocb,
2673 octx->tag, octx->taglen) != 0)
2678 /* If encrypting then just get the tag */
2679 if (CRYPTO_ocb128_tag(&octx->ocb, octx->tag, 16) != 1)
2681 /* Don't reuse the IV */
2687 static int aes_ocb_cleanup(EVP_CIPHER_CTX *c)
2689 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,c);
2690 CRYPTO_ocb128_cleanup(&octx->ocb);
2694 BLOCK_CIPHER_custom(NID_aes, 128, 16, 12, ocb, OCB,
2695 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2696 BLOCK_CIPHER_custom(NID_aes, 192, 16, 12, ocb, OCB,
2697 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2698 BLOCK_CIPHER_custom(NID_aes, 256, 16, 12, ocb, OCB,
2699 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2700 #endif /* OPENSSL_NO_OCB */