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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24 * openssl-core@openssl.org.
26 * 5. Products derived from this software may not be called "OpenSSL"
27 * nor may "OpenSSL" appear in their names without prior written
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30 * 6. Redistributions of any form whatsoever must retain the following
32 * "This product includes software developed by the OpenSSL Project
33 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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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) || \
208 extern unsigned int OPENSSL_ia32cap_P[];
211 # define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
214 # define BSAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
219 # define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
221 int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
223 int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
226 void aesni_encrypt(const unsigned char *in, unsigned char *out,
228 void aesni_decrypt(const unsigned char *in, unsigned char *out,
231 void aesni_ecb_encrypt(const unsigned char *in,
233 size_t length, const AES_KEY *key, int enc);
234 void aesni_cbc_encrypt(const unsigned char *in,
237 const AES_KEY *key, unsigned char *ivec, int enc);
239 void aesni_ctr32_encrypt_blocks(const unsigned char *in,
242 const void *key, const unsigned char *ivec);
244 void aesni_xts_encrypt(const unsigned char *in,
247 const AES_KEY *key1, const AES_KEY *key2,
248 const unsigned char iv[16]);
250 void aesni_xts_decrypt(const unsigned char *in,
253 const AES_KEY *key1, const AES_KEY *key2,
254 const unsigned char iv[16]);
256 void aesni_ccm64_encrypt_blocks(const unsigned char *in,
260 const unsigned char ivec[16],
261 unsigned char cmac[16]);
263 void aesni_ccm64_decrypt_blocks(const unsigned char *in,
267 const unsigned char ivec[16],
268 unsigned char cmac[16]);
270 # if defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
271 size_t aesni_gcm_encrypt(const unsigned char *in,
274 const void *key, unsigned char ivec[16], u64 *Xi);
275 # define AES_gcm_encrypt aesni_gcm_encrypt
276 size_t aesni_gcm_decrypt(const unsigned char *in,
279 const void *key, unsigned char ivec[16], u64 *Xi);
280 # define AES_gcm_decrypt aesni_gcm_decrypt
281 void gcm_ghash_avx(u64 Xi[2], const u128 Htable[16], const u8 *in,
283 # define AES_GCM_ASM(gctx) (gctx->ctr==aesni_ctr32_encrypt_blocks && \
284 gctx->gcm.ghash==gcm_ghash_avx)
285 # define AES_GCM_ASM2(gctx) (gctx->gcm.block==(block128_f)aesni_encrypt && \
286 gctx->gcm.ghash==gcm_ghash_avx)
287 # undef AES_GCM_ASM2 /* minor size optimization */
290 static int aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
291 const unsigned char *iv, int enc)
294 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
296 mode = EVP_CIPHER_CTX_mode(ctx);
297 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
299 ret = aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
301 dat->block = (block128_f) aesni_decrypt;
302 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
303 (cbc128_f) aesni_cbc_encrypt : NULL;
305 ret = aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
307 dat->block = (block128_f) aesni_encrypt;
308 if (mode == EVP_CIPH_CBC_MODE)
309 dat->stream.cbc = (cbc128_f) aesni_cbc_encrypt;
310 else if (mode == EVP_CIPH_CTR_MODE)
311 dat->stream.ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
313 dat->stream.cbc = NULL;
317 EVPerr(EVP_F_AESNI_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
324 static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
325 const unsigned char *in, size_t len)
327 aesni_cbc_encrypt(in, out, len, &EVP_C_DATA(EVP_AES_KEY,ctx)->ks.ks,
328 EVP_CIPHER_CTX_iv_noconst(ctx),
329 EVP_CIPHER_CTX_encrypting(ctx));
334 static int aesni_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
335 const unsigned char *in, size_t len)
337 size_t bl = EVP_CIPHER_CTX_block_size(ctx);
342 aesni_ecb_encrypt(in, out, len, &EVP_C_DATA(EVP_AES_KEY,ctx)->ks.ks,
343 EVP_CIPHER_CTX_encrypting(ctx));
348 # define aesni_ofb_cipher aes_ofb_cipher
349 static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
350 const unsigned char *in, size_t len);
352 # define aesni_cfb_cipher aes_cfb_cipher
353 static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
354 const unsigned char *in, size_t len);
356 # define aesni_cfb8_cipher aes_cfb8_cipher
357 static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
358 const unsigned char *in, size_t len);
360 # define aesni_cfb1_cipher aes_cfb1_cipher
361 static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
362 const unsigned char *in, size_t len);
364 # define aesni_ctr_cipher aes_ctr_cipher
365 static int aesni_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
366 const unsigned char *in, size_t len);
368 static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
369 const unsigned char *iv, int enc)
371 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
375 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
377 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f) aesni_encrypt);
378 gctx->ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
380 * If we have an iv can set it directly, otherwise use saved IV.
382 if (iv == NULL && gctx->iv_set)
385 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
390 /* If key set use IV, otherwise copy */
392 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
394 memcpy(gctx->iv, iv, gctx->ivlen);
401 # define aesni_gcm_cipher aes_gcm_cipher
402 static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
403 const unsigned char *in, size_t len);
405 static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
406 const unsigned char *iv, int enc)
408 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
413 /* key_len is two AES keys */
415 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
417 xctx->xts.block1 = (block128_f) aesni_encrypt;
418 xctx->stream = aesni_xts_encrypt;
420 aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
422 xctx->xts.block1 = (block128_f) aesni_decrypt;
423 xctx->stream = aesni_xts_decrypt;
426 aesni_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
427 EVP_CIPHER_CTX_key_length(ctx) * 4,
429 xctx->xts.block2 = (block128_f) aesni_encrypt;
431 xctx->xts.key1 = &xctx->ks1;
435 xctx->xts.key2 = &xctx->ks2;
436 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16);
442 # define aesni_xts_cipher aes_xts_cipher
443 static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
444 const unsigned char *in, size_t len);
446 static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
447 const unsigned char *iv, int enc)
449 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
453 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
455 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
456 &cctx->ks, (block128_f) aesni_encrypt);
457 cctx->str = enc ? (ccm128_f) aesni_ccm64_encrypt_blocks :
458 (ccm128_f) aesni_ccm64_decrypt_blocks;
462 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
468 # define aesni_ccm_cipher aes_ccm_cipher
469 static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
470 const unsigned char *in, size_t len);
472 # ifndef OPENSSL_NO_OCB
473 void aesni_ocb_encrypt(const unsigned char *in, unsigned char *out,
474 size_t blocks, const void *key,
475 size_t start_block_num,
476 unsigned char offset_i[16],
477 const unsigned char L_[][16],
478 unsigned char checksum[16]);
479 void aesni_ocb_decrypt(const unsigned char *in, unsigned char *out,
480 size_t blocks, const void *key,
481 size_t start_block_num,
482 unsigned char offset_i[16],
483 const unsigned char L_[][16],
484 unsigned char checksum[16]);
486 static int aesni_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
487 const unsigned char *iv, int enc)
489 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
495 * We set both the encrypt and decrypt key here because decrypt
496 * needs both. We could possibly optimise to remove setting the
497 * decrypt for an encryption operation.
499 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
501 aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
503 if (!CRYPTO_ocb128_init(&octx->ocb,
504 &octx->ksenc.ks, &octx->ksdec.ks,
505 (block128_f) aesni_encrypt,
506 (block128_f) aesni_decrypt,
507 enc ? aesni_ocb_encrypt
508 : aesni_ocb_decrypt))
514 * If we have an iv we can set it directly, otherwise use saved IV.
516 if (iv == NULL && octx->iv_set)
519 if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen)
526 /* If key set use IV, otherwise copy */
528 CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen);
530 memcpy(octx->iv, iv, octx->ivlen);
536 # define aesni_ocb_cipher aes_ocb_cipher
537 static int aesni_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
538 const unsigned char *in, size_t len);
539 # endif /* OPENSSL_NO_OCB */
541 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
542 static const EVP_CIPHER aesni_##keylen##_##mode = { \
543 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
544 flags|EVP_CIPH_##MODE##_MODE, \
546 aesni_##mode##_cipher, \
548 sizeof(EVP_AES_KEY), \
549 NULL,NULL,NULL,NULL }; \
550 static const EVP_CIPHER aes_##keylen##_##mode = { \
551 nid##_##keylen##_##nmode,blocksize, \
553 flags|EVP_CIPH_##MODE##_MODE, \
555 aes_##mode##_cipher, \
557 sizeof(EVP_AES_KEY), \
558 NULL,NULL,NULL,NULL }; \
559 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
560 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
562 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
563 static const EVP_CIPHER aesni_##keylen##_##mode = { \
564 nid##_##keylen##_##mode,blocksize, \
565 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
566 flags|EVP_CIPH_##MODE##_MODE, \
567 aesni_##mode##_init_key, \
568 aesni_##mode##_cipher, \
569 aes_##mode##_cleanup, \
570 sizeof(EVP_AES_##MODE##_CTX), \
571 NULL,NULL,aes_##mode##_ctrl,NULL }; \
572 static const EVP_CIPHER aes_##keylen##_##mode = { \
573 nid##_##keylen##_##mode,blocksize, \
574 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
575 flags|EVP_CIPH_##MODE##_MODE, \
576 aes_##mode##_init_key, \
577 aes_##mode##_cipher, \
578 aes_##mode##_cleanup, \
579 sizeof(EVP_AES_##MODE##_CTX), \
580 NULL,NULL,aes_##mode##_ctrl,NULL }; \
581 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
582 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
584 #elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
586 # include "sparc_arch.h"
588 extern unsigned int OPENSSL_sparcv9cap_P[];
591 * Initial Fujitsu SPARC64 X support
593 # define HWAES_CAPABLE (OPENSSL_sparcv9cap_P[0] & SPARCV9_FJAESX)
594 # define HWAES_set_encrypt_key aes_fx_set_encrypt_key
595 # define HWAES_set_decrypt_key aes_fx_set_decrypt_key
596 # define HWAES_encrypt aes_fx_encrypt
597 # define HWAES_decrypt aes_fx_decrypt
599 # define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES)
601 void aes_t4_set_encrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
602 void aes_t4_set_decrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
603 void aes_t4_encrypt(const unsigned char *in, unsigned char *out,
605 void aes_t4_decrypt(const unsigned char *in, unsigned char *out,
608 * Key-length specific subroutines were chosen for following reason.
609 * Each SPARC T4 core can execute up to 8 threads which share core's
610 * resources. Loading as much key material to registers allows to
611 * minimize references to shared memory interface, as well as amount
612 * of instructions in inner loops [much needed on T4]. But then having
613 * non-key-length specific routines would require conditional branches
614 * either in inner loops or on subroutines' entries. Former is hardly
615 * acceptable, while latter means code size increase to size occupied
616 * by multiple key-length specific subroutines, so why fight?
618 void aes128_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
619 size_t len, const AES_KEY *key,
620 unsigned char *ivec);
621 void aes128_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
622 size_t len, const AES_KEY *key,
623 unsigned char *ivec);
624 void aes192_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
625 size_t len, const AES_KEY *key,
626 unsigned char *ivec);
627 void aes192_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
628 size_t len, const AES_KEY *key,
629 unsigned char *ivec);
630 void aes256_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
631 size_t len, const AES_KEY *key,
632 unsigned char *ivec);
633 void aes256_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
634 size_t len, const AES_KEY *key,
635 unsigned char *ivec);
636 void aes128_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
637 size_t blocks, const AES_KEY *key,
638 unsigned char *ivec);
639 void aes192_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
640 size_t blocks, const AES_KEY *key,
641 unsigned char *ivec);
642 void aes256_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
643 size_t blocks, const AES_KEY *key,
644 unsigned char *ivec);
645 void aes128_t4_xts_encrypt(const unsigned char *in, unsigned char *out,
646 size_t blocks, const AES_KEY *key1,
647 const AES_KEY *key2, const unsigned char *ivec);
648 void aes128_t4_xts_decrypt(const unsigned char *in, unsigned char *out,
649 size_t blocks, const AES_KEY *key1,
650 const AES_KEY *key2, const unsigned char *ivec);
651 void aes256_t4_xts_encrypt(const unsigned char *in, unsigned char *out,
652 size_t blocks, const AES_KEY *key1,
653 const AES_KEY *key2, const unsigned char *ivec);
654 void aes256_t4_xts_decrypt(const unsigned char *in, unsigned char *out,
655 size_t blocks, const AES_KEY *key1,
656 const AES_KEY *key2, const unsigned char *ivec);
658 static int aes_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
659 const unsigned char *iv, int enc)
662 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
664 mode = EVP_CIPHER_CTX_mode(ctx);
665 bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
666 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
669 aes_t4_set_decrypt_key(key, bits, &dat->ks.ks);
670 dat->block = (block128_f) aes_t4_decrypt;
673 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
674 (cbc128_f) aes128_t4_cbc_decrypt : NULL;
677 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
678 (cbc128_f) aes192_t4_cbc_decrypt : NULL;
681 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
682 (cbc128_f) aes256_t4_cbc_decrypt : NULL;
689 aes_t4_set_encrypt_key(key, bits, &dat->ks.ks);
690 dat->block = (block128_f) aes_t4_encrypt;
693 if (mode == EVP_CIPH_CBC_MODE)
694 dat->stream.cbc = (cbc128_f) aes128_t4_cbc_encrypt;
695 else if (mode == EVP_CIPH_CTR_MODE)
696 dat->stream.ctr = (ctr128_f) aes128_t4_ctr32_encrypt;
698 dat->stream.cbc = NULL;
701 if (mode == EVP_CIPH_CBC_MODE)
702 dat->stream.cbc = (cbc128_f) aes192_t4_cbc_encrypt;
703 else if (mode == EVP_CIPH_CTR_MODE)
704 dat->stream.ctr = (ctr128_f) aes192_t4_ctr32_encrypt;
706 dat->stream.cbc = NULL;
709 if (mode == EVP_CIPH_CBC_MODE)
710 dat->stream.cbc = (cbc128_f) aes256_t4_cbc_encrypt;
711 else if (mode == EVP_CIPH_CTR_MODE)
712 dat->stream.ctr = (ctr128_f) aes256_t4_ctr32_encrypt;
714 dat->stream.cbc = NULL;
722 EVPerr(EVP_F_AES_T4_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
729 # define aes_t4_cbc_cipher aes_cbc_cipher
730 static int aes_t4_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
731 const unsigned char *in, size_t len);
733 # define aes_t4_ecb_cipher aes_ecb_cipher
734 static int aes_t4_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
735 const unsigned char *in, size_t len);
737 # define aes_t4_ofb_cipher aes_ofb_cipher
738 static int aes_t4_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
739 const unsigned char *in, size_t len);
741 # define aes_t4_cfb_cipher aes_cfb_cipher
742 static int aes_t4_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
743 const unsigned char *in, size_t len);
745 # define aes_t4_cfb8_cipher aes_cfb8_cipher
746 static int aes_t4_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
747 const unsigned char *in, size_t len);
749 # define aes_t4_cfb1_cipher aes_cfb1_cipher
750 static int aes_t4_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
751 const unsigned char *in, size_t len);
753 # define aes_t4_ctr_cipher aes_ctr_cipher
754 static int aes_t4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
755 const unsigned char *in, size_t len);
757 static int aes_t4_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
758 const unsigned char *iv, int enc)
760 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
764 int bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
765 aes_t4_set_encrypt_key(key, bits, &gctx->ks.ks);
766 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
767 (block128_f) aes_t4_encrypt);
770 gctx->ctr = (ctr128_f) aes128_t4_ctr32_encrypt;
773 gctx->ctr = (ctr128_f) aes192_t4_ctr32_encrypt;
776 gctx->ctr = (ctr128_f) aes256_t4_ctr32_encrypt;
782 * If we have an iv can set it directly, otherwise use saved IV.
784 if (iv == NULL && gctx->iv_set)
787 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
792 /* If key set use IV, otherwise copy */
794 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
796 memcpy(gctx->iv, iv, gctx->ivlen);
803 # define aes_t4_gcm_cipher aes_gcm_cipher
804 static int aes_t4_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
805 const unsigned char *in, size_t len);
807 static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
808 const unsigned char *iv, int enc)
810 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
815 int bits = EVP_CIPHER_CTX_key_length(ctx) * 4;
817 /* key_len is two AES keys */
819 aes_t4_set_encrypt_key(key, bits, &xctx->ks1.ks);
820 xctx->xts.block1 = (block128_f) aes_t4_encrypt;
823 xctx->stream = aes128_t4_xts_encrypt;
826 xctx->stream = aes256_t4_xts_encrypt;
832 aes_t4_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
834 xctx->xts.block1 = (block128_f) aes_t4_decrypt;
837 xctx->stream = aes128_t4_xts_decrypt;
840 xctx->stream = aes256_t4_xts_decrypt;
847 aes_t4_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
848 EVP_CIPHER_CTX_key_length(ctx) * 4,
850 xctx->xts.block2 = (block128_f) aes_t4_encrypt;
852 xctx->xts.key1 = &xctx->ks1;
856 xctx->xts.key2 = &xctx->ks2;
857 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16);
863 # define aes_t4_xts_cipher aes_xts_cipher
864 static int aes_t4_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
865 const unsigned char *in, size_t len);
867 static int aes_t4_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
868 const unsigned char *iv, int enc)
870 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
874 int bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
875 aes_t4_set_encrypt_key(key, bits, &cctx->ks.ks);
876 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
877 &cctx->ks, (block128_f) aes_t4_encrypt);
882 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
888 # define aes_t4_ccm_cipher aes_ccm_cipher
889 static int aes_t4_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
890 const unsigned char *in, size_t len);
892 # ifndef OPENSSL_NO_OCB
893 static int aes_t4_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
894 const unsigned char *iv, int enc)
896 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
902 * We set both the encrypt and decrypt key here because decrypt
903 * needs both. We could possibly optimise to remove setting the
904 * decrypt for an encryption operation.
906 aes_t4_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
908 aes_t4_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
910 if (!CRYPTO_ocb128_init(&octx->ocb,
911 &octx->ksenc.ks, &octx->ksdec.ks,
912 (block128_f) aes_t4_encrypt,
913 (block128_f) aes_t4_decrypt,
920 * If we have an iv we can set it directly, otherwise use saved IV.
922 if (iv == NULL && octx->iv_set)
925 if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen)
932 /* If key set use IV, otherwise copy */
934 CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen);
936 memcpy(octx->iv, iv, octx->ivlen);
942 # define aes_t4_ocb_cipher aes_ocb_cipher
943 static int aes_t4_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
944 const unsigned char *in, size_t len);
945 # endif /* OPENSSL_NO_OCB */
947 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
948 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
949 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
950 flags|EVP_CIPH_##MODE##_MODE, \
952 aes_t4_##mode##_cipher, \
954 sizeof(EVP_AES_KEY), \
955 NULL,NULL,NULL,NULL }; \
956 static const EVP_CIPHER aes_##keylen##_##mode = { \
957 nid##_##keylen##_##nmode,blocksize, \
959 flags|EVP_CIPH_##MODE##_MODE, \
961 aes_##mode##_cipher, \
963 sizeof(EVP_AES_KEY), \
964 NULL,NULL,NULL,NULL }; \
965 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
966 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
968 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
969 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
970 nid##_##keylen##_##mode,blocksize, \
971 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
972 flags|EVP_CIPH_##MODE##_MODE, \
973 aes_t4_##mode##_init_key, \
974 aes_t4_##mode##_cipher, \
975 aes_##mode##_cleanup, \
976 sizeof(EVP_AES_##MODE##_CTX), \
977 NULL,NULL,aes_##mode##_ctrl,NULL }; \
978 static const EVP_CIPHER aes_##keylen##_##mode = { \
979 nid##_##keylen##_##mode,blocksize, \
980 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
981 flags|EVP_CIPH_##MODE##_MODE, \
982 aes_##mode##_init_key, \
983 aes_##mode##_cipher, \
984 aes_##mode##_cleanup, \
985 sizeof(EVP_AES_##MODE##_CTX), \
986 NULL,NULL,aes_##mode##_ctrl,NULL }; \
987 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
988 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
992 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
993 static const EVP_CIPHER aes_##keylen##_##mode = { \
994 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
995 flags|EVP_CIPH_##MODE##_MODE, \
997 aes_##mode##_cipher, \
999 sizeof(EVP_AES_KEY), \
1000 NULL,NULL,NULL,NULL }; \
1001 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
1002 { return &aes_##keylen##_##mode; }
1004 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
1005 static const EVP_CIPHER aes_##keylen##_##mode = { \
1006 nid##_##keylen##_##mode,blocksize, \
1007 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
1008 flags|EVP_CIPH_##MODE##_MODE, \
1009 aes_##mode##_init_key, \
1010 aes_##mode##_cipher, \
1011 aes_##mode##_cleanup, \
1012 sizeof(EVP_AES_##MODE##_CTX), \
1013 NULL,NULL,aes_##mode##_ctrl,NULL }; \
1014 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
1015 { return &aes_##keylen##_##mode; }
1019 #if defined(OPENSSL_CPUID_OBJ) && (defined(__arm__) || defined(__arm) || defined(__aarch64__))
1020 # include "arm_arch.h"
1021 # if __ARM_MAX_ARCH__>=7
1022 # if defined(BSAES_ASM)
1023 # define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
1025 # if defined(VPAES_ASM)
1026 # define VPAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
1028 # define HWAES_CAPABLE (OPENSSL_armcap_P & ARMV8_AES)
1029 # define HWAES_set_encrypt_key aes_v8_set_encrypt_key
1030 # define HWAES_set_decrypt_key aes_v8_set_decrypt_key
1031 # define HWAES_encrypt aes_v8_encrypt
1032 # define HWAES_decrypt aes_v8_decrypt
1033 # define HWAES_cbc_encrypt aes_v8_cbc_encrypt
1034 # define HWAES_ctr32_encrypt_blocks aes_v8_ctr32_encrypt_blocks
1038 #if defined(HWAES_CAPABLE)
1039 int HWAES_set_encrypt_key(const unsigned char *userKey, const int bits,
1041 int HWAES_set_decrypt_key(const unsigned char *userKey, const int bits,
1043 void HWAES_encrypt(const unsigned char *in, unsigned char *out,
1044 const AES_KEY *key);
1045 void HWAES_decrypt(const unsigned char *in, unsigned char *out,
1046 const AES_KEY *key);
1047 void HWAES_cbc_encrypt(const unsigned char *in, unsigned char *out,
1048 size_t length, const AES_KEY *key,
1049 unsigned char *ivec, const int enc);
1050 void HWAES_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
1051 size_t len, const AES_KEY *key,
1052 const unsigned char ivec[16]);
1055 #define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
1056 BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
1057 BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
1058 BLOCK_CIPHER_generic(nid,keylen,1,16,ofb128,ofb,OFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
1059 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb128,cfb,CFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
1060 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb1,cfb1,CFB,flags) \
1061 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags) \
1062 BLOCK_CIPHER_generic(nid,keylen,1,16,ctr,ctr,CTR,flags)
1064 static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1065 const unsigned char *iv, int enc)
1068 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1070 mode = EVP_CIPHER_CTX_mode(ctx);
1071 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
1073 #ifdef HWAES_CAPABLE
1074 if (HWAES_CAPABLE) {
1075 ret = HWAES_set_decrypt_key(key,
1076 EVP_CIPHER_CTX_key_length(ctx) * 8,
1078 dat->block = (block128_f) HWAES_decrypt;
1079 dat->stream.cbc = NULL;
1080 # ifdef HWAES_cbc_encrypt
1081 if (mode == EVP_CIPH_CBC_MODE)
1082 dat->stream.cbc = (cbc128_f) HWAES_cbc_encrypt;
1086 #ifdef BSAES_CAPABLE
1087 if (BSAES_CAPABLE && mode == EVP_CIPH_CBC_MODE) {
1088 ret = AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1090 dat->block = (block128_f) AES_decrypt;
1091 dat->stream.cbc = (cbc128_f) bsaes_cbc_encrypt;
1094 #ifdef VPAES_CAPABLE
1095 if (VPAES_CAPABLE) {
1096 ret = vpaes_set_decrypt_key(key,
1097 EVP_CIPHER_CTX_key_length(ctx) * 8,
1099 dat->block = (block128_f) vpaes_decrypt;
1100 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
1101 (cbc128_f) vpaes_cbc_encrypt : NULL;
1105 ret = AES_set_decrypt_key(key,
1106 EVP_CIPHER_CTX_key_length(ctx) * 8,
1108 dat->block = (block128_f) AES_decrypt;
1109 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
1110 (cbc128_f) AES_cbc_encrypt : NULL;
1112 #ifdef HWAES_CAPABLE
1113 if (HWAES_CAPABLE) {
1114 ret = HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1116 dat->block = (block128_f) HWAES_encrypt;
1117 dat->stream.cbc = NULL;
1118 # ifdef HWAES_cbc_encrypt
1119 if (mode == EVP_CIPH_CBC_MODE)
1120 dat->stream.cbc = (cbc128_f) HWAES_cbc_encrypt;
1123 # ifdef HWAES_ctr32_encrypt_blocks
1124 if (mode == EVP_CIPH_CTR_MODE)
1125 dat->stream.ctr = (ctr128_f) HWAES_ctr32_encrypt_blocks;
1128 (void)0; /* terminate potentially open 'else' */
1131 #ifdef BSAES_CAPABLE
1132 if (BSAES_CAPABLE && mode == EVP_CIPH_CTR_MODE) {
1133 ret = AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1135 dat->block = (block128_f) AES_encrypt;
1136 dat->stream.ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks;
1139 #ifdef VPAES_CAPABLE
1140 if (VPAES_CAPABLE) {
1141 ret = vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1143 dat->block = (block128_f) vpaes_encrypt;
1144 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
1145 (cbc128_f) vpaes_cbc_encrypt : NULL;
1149 ret = AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1151 dat->block = (block128_f) AES_encrypt;
1152 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
1153 (cbc128_f) AES_cbc_encrypt : NULL;
1155 if (mode == EVP_CIPH_CTR_MODE)
1156 dat->stream.ctr = (ctr128_f) AES_ctr32_encrypt;
1161 EVPerr(EVP_F_AES_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
1168 static int aes_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1169 const unsigned char *in, size_t len)
1171 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1173 if (dat->stream.cbc)
1174 (*dat->stream.cbc) (in, out, len, &dat->ks,
1175 EVP_CIPHER_CTX_iv_noconst(ctx),
1176 EVP_CIPHER_CTX_encrypting(ctx));
1177 else if (EVP_CIPHER_CTX_encrypting(ctx))
1178 CRYPTO_cbc128_encrypt(in, out, len, &dat->ks,
1179 EVP_CIPHER_CTX_iv_noconst(ctx), dat->block);
1181 CRYPTO_cbc128_decrypt(in, out, len, &dat->ks,
1182 EVP_CIPHER_CTX_iv_noconst(ctx), dat->block);
1187 static int aes_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1188 const unsigned char *in, size_t len)
1190 size_t bl = EVP_CIPHER_CTX_block_size(ctx);
1192 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1197 for (i = 0, len -= bl; i <= len; i += bl)
1198 (*dat->block) (in + i, out + i, &dat->ks);
1203 static int aes_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1204 const unsigned char *in, size_t len)
1206 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1208 int num = EVP_CIPHER_CTX_num(ctx);
1209 CRYPTO_ofb128_encrypt(in, out, len, &dat->ks,
1210 EVP_CIPHER_CTX_iv_noconst(ctx), &num, dat->block);
1211 EVP_CIPHER_CTX_set_num(ctx, num);
1215 static int aes_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1216 const unsigned char *in, size_t len)
1218 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1220 int num = EVP_CIPHER_CTX_num(ctx);
1221 CRYPTO_cfb128_encrypt(in, out, len, &dat->ks,
1222 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1223 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1224 EVP_CIPHER_CTX_set_num(ctx, num);
1228 static int aes_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1229 const unsigned char *in, size_t len)
1231 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1233 int num = EVP_CIPHER_CTX_num(ctx);
1234 CRYPTO_cfb128_8_encrypt(in, out, len, &dat->ks,
1235 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1236 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1237 EVP_CIPHER_CTX_set_num(ctx, num);
1241 static int aes_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1242 const unsigned char *in, size_t len)
1244 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1246 if (EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS)) {
1247 int num = EVP_CIPHER_CTX_num(ctx);
1248 CRYPTO_cfb128_1_encrypt(in, out, len, &dat->ks,
1249 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1250 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1251 EVP_CIPHER_CTX_set_num(ctx, num);
1255 while (len >= MAXBITCHUNK) {
1256 int num = EVP_CIPHER_CTX_num(ctx);
1257 CRYPTO_cfb128_1_encrypt(in, out, MAXBITCHUNK * 8, &dat->ks,
1258 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1259 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1260 EVP_CIPHER_CTX_set_num(ctx, num);
1264 int num = EVP_CIPHER_CTX_num(ctx);
1265 CRYPTO_cfb128_1_encrypt(in, out, len * 8, &dat->ks,
1266 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1267 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1268 EVP_CIPHER_CTX_set_num(ctx, num);
1274 static int aes_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1275 const unsigned char *in, size_t len)
1277 unsigned int num = EVP_CIPHER_CTX_num(ctx);
1278 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1280 if (dat->stream.ctr)
1281 CRYPTO_ctr128_encrypt_ctr32(in, out, len, &dat->ks,
1282 EVP_CIPHER_CTX_iv_noconst(ctx),
1283 EVP_CIPHER_CTX_buf_noconst(ctx),
1284 &num, dat->stream.ctr);
1286 CRYPTO_ctr128_encrypt(in, out, len, &dat->ks,
1287 EVP_CIPHER_CTX_iv_noconst(ctx),
1288 EVP_CIPHER_CTX_buf_noconst(ctx), &num,
1290 EVP_CIPHER_CTX_set_num(ctx, num);
1294 BLOCK_CIPHER_generic_pack(NID_aes, 128, 0)
1295 BLOCK_CIPHER_generic_pack(NID_aes, 192, 0)
1296 BLOCK_CIPHER_generic_pack(NID_aes, 256, 0)
1298 static int aes_gcm_cleanup(EVP_CIPHER_CTX *c)
1300 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,c);
1301 OPENSSL_cleanse(&gctx->gcm, sizeof(gctx->gcm));
1302 if (gctx->iv != EVP_CIPHER_CTX_iv_noconst(c))
1303 OPENSSL_free(gctx->iv);
1307 /* increment counter (64-bit int) by 1 */
1308 static void ctr64_inc(unsigned char *counter)
1323 static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1325 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,c);
1330 gctx->ivlen = EVP_CIPHER_CTX_iv_length(c);
1331 gctx->iv = EVP_CIPHER_CTX_iv_noconst(c);
1334 gctx->tls_aad_len = -1;
1337 case EVP_CTRL_AEAD_SET_IVLEN:
1340 /* Allocate memory for IV if needed */
1341 if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen)) {
1342 if (gctx->iv != EVP_CIPHER_CTX_iv_noconst(c))
1343 OPENSSL_free(gctx->iv);
1344 gctx->iv = OPENSSL_malloc(arg);
1345 if (gctx->iv == NULL)
1351 case EVP_CTRL_AEAD_SET_TAG:
1352 if (arg <= 0 || arg > 16 || EVP_CIPHER_CTX_encrypting(c))
1354 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
1358 case EVP_CTRL_AEAD_GET_TAG:
1359 if (arg <= 0 || arg > 16 || !EVP_CIPHER_CTX_encrypting(c)
1360 || gctx->taglen < 0)
1362 memcpy(ptr, EVP_CIPHER_CTX_buf_noconst(c), arg);
1365 case EVP_CTRL_GCM_SET_IV_FIXED:
1366 /* Special case: -1 length restores whole IV */
1368 memcpy(gctx->iv, ptr, gctx->ivlen);
1373 * Fixed field must be at least 4 bytes and invocation field at least
1376 if ((arg < 4) || (gctx->ivlen - arg) < 8)
1379 memcpy(gctx->iv, ptr, arg);
1380 if (EVP_CIPHER_CTX_encrypting(c)
1381 && RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
1386 case EVP_CTRL_GCM_IV_GEN:
1387 if (gctx->iv_gen == 0 || gctx->key_set == 0)
1389 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1390 if (arg <= 0 || arg > gctx->ivlen)
1392 memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
1394 * Invocation field will be at least 8 bytes in size and so no need
1395 * to check wrap around or increment more than last 8 bytes.
1397 ctr64_inc(gctx->iv + gctx->ivlen - 8);
1401 case EVP_CTRL_GCM_SET_IV_INV:
1402 if (gctx->iv_gen == 0 || gctx->key_set == 0
1403 || EVP_CIPHER_CTX_encrypting(c))
1405 memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
1406 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1410 case EVP_CTRL_AEAD_TLS1_AAD:
1411 /* Save the AAD for later use */
1412 if (arg != EVP_AEAD_TLS1_AAD_LEN)
1414 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
1415 gctx->tls_aad_len = arg;
1418 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8
1419 | EVP_CIPHER_CTX_buf_noconst(c)[arg - 1];
1420 /* Correct length for explicit IV */
1421 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
1422 /* If decrypting correct for tag too */
1423 if (!EVP_CIPHER_CTX_encrypting(c))
1424 len -= EVP_GCM_TLS_TAG_LEN;
1425 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8;
1426 EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff;
1428 /* Extra padding: tag appended to record */
1429 return EVP_GCM_TLS_TAG_LEN;
1433 EVP_CIPHER_CTX *out = ptr;
1434 EVP_AES_GCM_CTX *gctx_out = EVP_C_DATA(EVP_AES_GCM_CTX,out);
1435 if (gctx->gcm.key) {
1436 if (gctx->gcm.key != &gctx->ks)
1438 gctx_out->gcm.key = &gctx_out->ks;
1440 if (gctx->iv == EVP_CIPHER_CTX_iv_noconst(c))
1441 gctx_out->iv = EVP_CIPHER_CTX_iv_noconst(out);
1443 gctx_out->iv = OPENSSL_malloc(gctx->ivlen);
1444 if (gctx_out->iv == NULL)
1446 memcpy(gctx_out->iv, gctx->iv, gctx->ivlen);
1457 static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1458 const unsigned char *iv, int enc)
1460 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
1465 #ifdef HWAES_CAPABLE
1466 if (HWAES_CAPABLE) {
1467 HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1469 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1470 (block128_f) HWAES_encrypt);
1471 # ifdef HWAES_ctr32_encrypt_blocks
1472 gctx->ctr = (ctr128_f) HWAES_ctr32_encrypt_blocks;
1479 #ifdef BSAES_CAPABLE
1480 if (BSAES_CAPABLE) {
1481 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1483 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1484 (block128_f) AES_encrypt);
1485 gctx->ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks;
1489 #ifdef VPAES_CAPABLE
1490 if (VPAES_CAPABLE) {
1491 vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1493 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1494 (block128_f) vpaes_encrypt);
1499 (void)0; /* terminate potentially open 'else' */
1501 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1503 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1504 (block128_f) AES_encrypt);
1506 gctx->ctr = (ctr128_f) AES_ctr32_encrypt;
1513 * If we have an iv can set it directly, otherwise use saved IV.
1515 if (iv == NULL && gctx->iv_set)
1518 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1523 /* If key set use IV, otherwise copy */
1525 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1527 memcpy(gctx->iv, iv, gctx->ivlen);
1535 * Handle TLS GCM packet format. This consists of the last portion of the IV
1536 * followed by the payload and finally the tag. On encrypt generate IV,
1537 * encrypt payload and write the tag. On verify retrieve IV, decrypt payload
1541 static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1542 const unsigned char *in, size_t len)
1544 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
1546 /* Encrypt/decrypt must be performed in place */
1548 || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN))
1551 * Set IV from start of buffer or generate IV and write to start of
1554 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CIPHER_CTX_encrypting(ctx) ?
1555 EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
1556 EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
1559 if (CRYPTO_gcm128_aad(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx),
1562 /* Fix buffer and length to point to payload */
1563 in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1564 out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1565 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1566 if (EVP_CIPHER_CTX_encrypting(ctx)) {
1567 /* Encrypt payload */
1570 #if defined(AES_GCM_ASM)
1571 if (len >= 32 && AES_GCM_ASM(gctx)) {
1572 if (CRYPTO_gcm128_encrypt(&gctx->gcm, NULL, NULL, 0))
1575 bulk = AES_gcm_encrypt(in, out, len,
1577 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1578 gctx->gcm.len.u[1] += bulk;
1581 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1584 len - bulk, gctx->ctr))
1588 #if defined(AES_GCM_ASM2)
1589 if (len >= 32 && AES_GCM_ASM2(gctx)) {
1590 if (CRYPTO_gcm128_encrypt(&gctx->gcm, NULL, NULL, 0))
1593 bulk = AES_gcm_encrypt(in, out, len,
1595 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1596 gctx->gcm.len.u[1] += bulk;
1599 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1600 in + bulk, out + bulk, len - bulk))
1604 /* Finally write tag */
1605 CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
1606 rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1611 #if defined(AES_GCM_ASM)
1612 if (len >= 16 && AES_GCM_ASM(gctx)) {
1613 if (CRYPTO_gcm128_decrypt(&gctx->gcm, NULL, NULL, 0))
1616 bulk = AES_gcm_decrypt(in, out, len,
1618 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1619 gctx->gcm.len.u[1] += bulk;
1622 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1625 len - bulk, gctx->ctr))
1629 #if defined(AES_GCM_ASM2)
1630 if (len >= 16 && AES_GCM_ASM2(gctx)) {
1631 if (CRYPTO_gcm128_decrypt(&gctx->gcm, NULL, NULL, 0))
1634 bulk = AES_gcm_decrypt(in, out, len,
1636 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1637 gctx->gcm.len.u[1] += bulk;
1640 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1641 in + bulk, out + bulk, len - bulk))
1645 CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx),
1646 EVP_GCM_TLS_TAG_LEN);
1647 /* If tag mismatch wipe buffer */
1648 if (CRYPTO_memcmp(EVP_CIPHER_CTX_buf_noconst(ctx), in + len,
1649 EVP_GCM_TLS_TAG_LEN)) {
1650 OPENSSL_cleanse(out, len);
1658 gctx->tls_aad_len = -1;
1662 static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1663 const unsigned char *in, size_t len)
1665 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
1666 /* If not set up, return error */
1670 if (gctx->tls_aad_len >= 0)
1671 return aes_gcm_tls_cipher(ctx, out, in, len);
1677 if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
1679 } else if (EVP_CIPHER_CTX_encrypting(ctx)) {
1682 #if defined(AES_GCM_ASM)
1683 if (len >= 32 && AES_GCM_ASM(gctx)) {
1684 size_t res = (16 - gctx->gcm.mres) % 16;
1686 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, res))
1689 bulk = AES_gcm_encrypt(in + res,
1690 out + res, len - res,
1691 gctx->gcm.key, gctx->gcm.Yi.c,
1693 gctx->gcm.len.u[1] += bulk;
1697 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1700 len - bulk, gctx->ctr))
1704 #if defined(AES_GCM_ASM2)
1705 if (len >= 32 && AES_GCM_ASM2(gctx)) {
1706 size_t res = (16 - gctx->gcm.mres) % 16;
1708 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, res))
1711 bulk = AES_gcm_encrypt(in + res,
1712 out + res, len - res,
1713 gctx->gcm.key, gctx->gcm.Yi.c,
1715 gctx->gcm.len.u[1] += bulk;
1719 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1720 in + bulk, out + bulk, len - bulk))
1726 #if defined(AES_GCM_ASM)
1727 if (len >= 16 && AES_GCM_ASM(gctx)) {
1728 size_t res = (16 - gctx->gcm.mres) % 16;
1730 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, res))
1733 bulk = AES_gcm_decrypt(in + res,
1734 out + res, len - res,
1736 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1737 gctx->gcm.len.u[1] += bulk;
1741 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1744 len - bulk, gctx->ctr))
1748 #if defined(AES_GCM_ASM2)
1749 if (len >= 16 && AES_GCM_ASM2(gctx)) {
1750 size_t res = (16 - gctx->gcm.mres) % 16;
1752 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, res))
1755 bulk = AES_gcm_decrypt(in + res,
1756 out + res, len - res,
1758 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1759 gctx->gcm.len.u[1] += bulk;
1763 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1764 in + bulk, out + bulk, len - bulk))
1770 if (!EVP_CIPHER_CTX_encrypting(ctx)) {
1771 if (gctx->taglen < 0)
1773 if (CRYPTO_gcm128_finish(&gctx->gcm,
1774 EVP_CIPHER_CTX_buf_noconst(ctx),
1780 CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx), 16);
1782 /* Don't reuse the IV */
1789 #define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
1790 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
1791 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
1792 | EVP_CIPH_CUSTOM_COPY)
1794 BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, gcm, GCM,
1795 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
1796 BLOCK_CIPHER_custom(NID_aes, 192, 1, 12, gcm, GCM,
1797 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
1798 BLOCK_CIPHER_custom(NID_aes, 256, 1, 12, gcm, GCM,
1799 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
1801 static int aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1803 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,c);
1804 if (type == EVP_CTRL_COPY) {
1805 EVP_CIPHER_CTX *out = ptr;
1806 EVP_AES_XTS_CTX *xctx_out = EVP_C_DATA(EVP_AES_XTS_CTX,out);
1807 if (xctx->xts.key1) {
1808 if (xctx->xts.key1 != &xctx->ks1)
1810 xctx_out->xts.key1 = &xctx_out->ks1;
1812 if (xctx->xts.key2) {
1813 if (xctx->xts.key2 != &xctx->ks2)
1815 xctx_out->xts.key2 = &xctx_out->ks2;
1818 } else if (type != EVP_CTRL_INIT)
1820 /* key1 and key2 are used as an indicator both key and IV are set */
1821 xctx->xts.key1 = NULL;
1822 xctx->xts.key2 = NULL;
1826 static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1827 const unsigned char *iv, int enc)
1829 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
1836 xctx->stream = enc ? AES_xts_encrypt : AES_xts_decrypt;
1838 xctx->stream = NULL;
1840 /* key_len is two AES keys */
1841 #ifdef HWAES_CAPABLE
1842 if (HWAES_CAPABLE) {
1844 HWAES_set_encrypt_key(key,
1845 EVP_CIPHER_CTX_key_length(ctx) * 4,
1847 xctx->xts.block1 = (block128_f) HWAES_encrypt;
1849 HWAES_set_decrypt_key(key,
1850 EVP_CIPHER_CTX_key_length(ctx) * 4,
1852 xctx->xts.block1 = (block128_f) HWAES_decrypt;
1855 HWAES_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
1856 EVP_CIPHER_CTX_key_length(ctx) * 4,
1858 xctx->xts.block2 = (block128_f) HWAES_encrypt;
1860 xctx->xts.key1 = &xctx->ks1;
1864 #ifdef BSAES_CAPABLE
1866 xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt;
1869 #ifdef VPAES_CAPABLE
1870 if (VPAES_CAPABLE) {
1872 vpaes_set_encrypt_key(key,
1873 EVP_CIPHER_CTX_key_length(ctx) * 4,
1875 xctx->xts.block1 = (block128_f) vpaes_encrypt;
1877 vpaes_set_decrypt_key(key,
1878 EVP_CIPHER_CTX_key_length(ctx) * 4,
1880 xctx->xts.block1 = (block128_f) vpaes_decrypt;
1883 vpaes_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
1884 EVP_CIPHER_CTX_key_length(ctx) * 4,
1886 xctx->xts.block2 = (block128_f) vpaes_encrypt;
1888 xctx->xts.key1 = &xctx->ks1;
1892 (void)0; /* terminate potentially open 'else' */
1895 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
1897 xctx->xts.block1 = (block128_f) AES_encrypt;
1899 AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
1901 xctx->xts.block1 = (block128_f) AES_decrypt;
1904 AES_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
1905 EVP_CIPHER_CTX_key_length(ctx) * 4,
1907 xctx->xts.block2 = (block128_f) AES_encrypt;
1909 xctx->xts.key1 = &xctx->ks1;
1913 xctx->xts.key2 = &xctx->ks2;
1914 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16);
1920 static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1921 const unsigned char *in, size_t len)
1923 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
1924 if (!xctx->xts.key1 || !xctx->xts.key2)
1926 if (!out || !in || len < AES_BLOCK_SIZE)
1929 (*xctx->stream) (in, out, len,
1930 xctx->xts.key1, xctx->xts.key2,
1931 EVP_CIPHER_CTX_iv_noconst(ctx));
1932 else if (CRYPTO_xts128_encrypt(&xctx->xts, EVP_CIPHER_CTX_iv_noconst(ctx),
1934 EVP_CIPHER_CTX_encrypting(ctx)))
1939 #define aes_xts_cleanup NULL
1941 #define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \
1942 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
1943 | EVP_CIPH_CUSTOM_COPY)
1945 BLOCK_CIPHER_custom(NID_aes, 128, 1, 16, xts, XTS, XTS_FLAGS)
1946 BLOCK_CIPHER_custom(NID_aes, 256, 1, 16, xts, XTS, XTS_FLAGS)
1948 static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1950 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,c);
1959 cctx->tls_aad_len = -1;
1962 case EVP_CTRL_AEAD_TLS1_AAD:
1963 /* Save the AAD for later use */
1964 if (arg != EVP_AEAD_TLS1_AAD_LEN)
1966 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
1967 cctx->tls_aad_len = arg;
1970 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8
1971 | EVP_CIPHER_CTX_buf_noconst(c)[arg - 1];
1972 /* Correct length for explicit IV */
1973 len -= EVP_CCM_TLS_EXPLICIT_IV_LEN;
1974 /* If decrypting correct for tag too */
1975 if (!EVP_CIPHER_CTX_encrypting(c))
1977 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8;
1978 EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff;
1980 /* Extra padding: tag appended to record */
1983 case EVP_CTRL_CCM_SET_IV_FIXED:
1984 /* Sanity check length */
1985 if (arg != EVP_CCM_TLS_FIXED_IV_LEN)
1987 /* Just copy to first part of IV */
1988 memcpy(EVP_CIPHER_CTX_iv_noconst(c), ptr, arg);
1991 case EVP_CTRL_AEAD_SET_IVLEN:
1993 case EVP_CTRL_CCM_SET_L:
1994 if (arg < 2 || arg > 8)
1999 case EVP_CTRL_AEAD_SET_TAG:
2000 if ((arg & 1) || arg < 4 || arg > 16)
2002 if (EVP_CIPHER_CTX_encrypting(c) && ptr)
2006 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
2011 case EVP_CTRL_AEAD_GET_TAG:
2012 if (!EVP_CIPHER_CTX_encrypting(c) || !cctx->tag_set)
2014 if (!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
2023 EVP_CIPHER_CTX *out = ptr;
2024 EVP_AES_CCM_CTX *cctx_out = EVP_C_DATA(EVP_AES_CCM_CTX,out);
2025 if (cctx->ccm.key) {
2026 if (cctx->ccm.key != &cctx->ks)
2028 cctx_out->ccm.key = &cctx_out->ks;
2039 static int aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
2040 const unsigned char *iv, int enc)
2042 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
2047 #ifdef HWAES_CAPABLE
2048 if (HWAES_CAPABLE) {
2049 HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2052 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
2053 &cctx->ks, (block128_f) HWAES_encrypt);
2059 #ifdef VPAES_CAPABLE
2060 if (VPAES_CAPABLE) {
2061 vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2063 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
2064 &cctx->ks, (block128_f) vpaes_encrypt);
2070 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2072 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
2073 &cctx->ks, (block128_f) AES_encrypt);
2078 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
2084 static int aes_ccm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2085 const unsigned char *in, size_t len)
2087 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
2088 CCM128_CONTEXT *ccm = &cctx->ccm;
2089 /* Encrypt/decrypt must be performed in place */
2090 if (out != in || len < (EVP_CCM_TLS_EXPLICIT_IV_LEN + (size_t)cctx->M))
2092 /* If encrypting set explicit IV from sequence number (start of AAD) */
2093 if (EVP_CIPHER_CTX_encrypting(ctx))
2094 memcpy(out, EVP_CIPHER_CTX_buf_noconst(ctx),
2095 EVP_CCM_TLS_EXPLICIT_IV_LEN);
2096 /* Get rest of IV from explicit IV */
2097 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx) + EVP_CCM_TLS_FIXED_IV_LEN, in,
2098 EVP_CCM_TLS_EXPLICIT_IV_LEN);
2099 /* Correct length value */
2100 len -= EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->M;
2101 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx), 15 - cctx->L,
2105 CRYPTO_ccm128_aad(ccm, EVP_CIPHER_CTX_buf_noconst(ctx), cctx->tls_aad_len);
2106 /* Fix buffer to point to payload */
2107 in += EVP_CCM_TLS_EXPLICIT_IV_LEN;
2108 out += EVP_CCM_TLS_EXPLICIT_IV_LEN;
2109 if (EVP_CIPHER_CTX_encrypting(ctx)) {
2110 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
2112 CRYPTO_ccm128_encrypt(ccm, in, out, len))
2114 if (!CRYPTO_ccm128_tag(ccm, out + len, cctx->M))
2116 return len + EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->M;
2118 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
2120 !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
2121 unsigned char tag[16];
2122 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
2123 if (!CRYPTO_memcmp(tag, in + len, cctx->M))
2127 OPENSSL_cleanse(out, len);
2132 static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2133 const unsigned char *in, size_t len)
2135 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
2136 CCM128_CONTEXT *ccm = &cctx->ccm;
2137 /* If not set up, return error */
2141 if (cctx->tls_aad_len >= 0)
2142 return aes_ccm_tls_cipher(ctx, out, in, len);
2147 if (!EVP_CIPHER_CTX_encrypting(ctx) && !cctx->tag_set)
2151 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx),
2157 /* If have AAD need message length */
2158 if (!cctx->len_set && len)
2160 CRYPTO_ccm128_aad(ccm, in, len);
2163 /* EVP_*Final() doesn't return any data */
2166 /* If not set length yet do it */
2167 if (!cctx->len_set) {
2168 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx),
2173 if (EVP_CIPHER_CTX_encrypting(ctx)) {
2174 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
2176 CRYPTO_ccm128_encrypt(ccm, in, out, len))
2182 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
2184 !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
2185 unsigned char tag[16];
2186 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
2187 if (!CRYPTO_memcmp(tag, EVP_CIPHER_CTX_buf_noconst(ctx),
2193 OPENSSL_cleanse(out, len);
2201 #define aes_ccm_cleanup NULL
2203 BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, ccm, CCM,
2204 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2205 BLOCK_CIPHER_custom(NID_aes, 192, 1, 12, ccm, CCM,
2206 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2207 BLOCK_CIPHER_custom(NID_aes, 256, 1, 12, ccm, CCM,
2208 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2215 /* Indicates if IV has been set */
2219 static int aes_wrap_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
2220 const unsigned char *iv, int enc)
2222 EVP_AES_WRAP_CTX *wctx = EVP_C_DATA(EVP_AES_WRAP_CTX,ctx);
2226 if (EVP_CIPHER_CTX_encrypting(ctx))
2227 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2230 AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2236 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, EVP_CIPHER_CTX_iv_length(ctx));
2237 wctx->iv = EVP_CIPHER_CTX_iv_noconst(ctx);
2242 static int aes_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2243 const unsigned char *in, size_t inlen)
2245 EVP_AES_WRAP_CTX *wctx = EVP_C_DATA(EVP_AES_WRAP_CTX,ctx);
2247 /* AES wrap with padding has IV length of 4, without padding 8 */
2248 int pad = EVP_CIPHER_CTX_iv_length(ctx) == 4;
2249 /* No final operation so always return zero length */
2252 /* Input length must always be non-zero */
2255 /* If decrypting need at least 16 bytes and multiple of 8 */
2256 if (!EVP_CIPHER_CTX_encrypting(ctx) && (inlen < 16 || inlen & 0x7))
2258 /* If not padding input must be multiple of 8 */
2259 if (!pad && inlen & 0x7)
2262 if (EVP_CIPHER_CTX_encrypting(ctx)) {
2263 /* If padding round up to multiple of 8 */
2265 inlen = (inlen + 7) / 8 * 8;
2270 * If not padding output will be exactly 8 bytes smaller than
2271 * input. If padding it will be at least 8 bytes smaller but we
2272 * don't know how much.
2278 if (EVP_CIPHER_CTX_encrypting(ctx))
2279 rv = CRYPTO_128_wrap_pad(&wctx->ks.ks, wctx->iv,
2281 (block128_f) AES_encrypt);
2283 rv = CRYPTO_128_unwrap_pad(&wctx->ks.ks, wctx->iv,
2285 (block128_f) AES_decrypt);
2287 if (EVP_CIPHER_CTX_encrypting(ctx))
2288 rv = CRYPTO_128_wrap(&wctx->ks.ks, wctx->iv,
2289 out, in, inlen, (block128_f) AES_encrypt);
2291 rv = CRYPTO_128_unwrap(&wctx->ks.ks, wctx->iv,
2292 out, in, inlen, (block128_f) AES_decrypt);
2294 return rv ? (int)rv : -1;
2297 #define WRAP_FLAGS (EVP_CIPH_WRAP_MODE \
2298 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
2299 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_FLAG_DEFAULT_ASN1)
2301 static const EVP_CIPHER aes_128_wrap = {
2303 8, 16, 8, WRAP_FLAGS,
2304 aes_wrap_init_key, aes_wrap_cipher,
2306 sizeof(EVP_AES_WRAP_CTX),
2307 NULL, NULL, NULL, NULL
2310 const EVP_CIPHER *EVP_aes_128_wrap(void)
2312 return &aes_128_wrap;
2315 static const EVP_CIPHER aes_192_wrap = {
2317 8, 24, 8, WRAP_FLAGS,
2318 aes_wrap_init_key, aes_wrap_cipher,
2320 sizeof(EVP_AES_WRAP_CTX),
2321 NULL, NULL, NULL, NULL
2324 const EVP_CIPHER *EVP_aes_192_wrap(void)
2326 return &aes_192_wrap;
2329 static const EVP_CIPHER aes_256_wrap = {
2331 8, 32, 8, WRAP_FLAGS,
2332 aes_wrap_init_key, aes_wrap_cipher,
2334 sizeof(EVP_AES_WRAP_CTX),
2335 NULL, NULL, NULL, NULL
2338 const EVP_CIPHER *EVP_aes_256_wrap(void)
2340 return &aes_256_wrap;
2343 static const EVP_CIPHER aes_128_wrap_pad = {
2344 NID_id_aes128_wrap_pad,
2345 8, 16, 4, WRAP_FLAGS,
2346 aes_wrap_init_key, aes_wrap_cipher,
2348 sizeof(EVP_AES_WRAP_CTX),
2349 NULL, NULL, NULL, NULL
2352 const EVP_CIPHER *EVP_aes_128_wrap_pad(void)
2354 return &aes_128_wrap_pad;
2357 static const EVP_CIPHER aes_192_wrap_pad = {
2358 NID_id_aes192_wrap_pad,
2359 8, 24, 4, WRAP_FLAGS,
2360 aes_wrap_init_key, aes_wrap_cipher,
2362 sizeof(EVP_AES_WRAP_CTX),
2363 NULL, NULL, NULL, NULL
2366 const EVP_CIPHER *EVP_aes_192_wrap_pad(void)
2368 return &aes_192_wrap_pad;
2371 static const EVP_CIPHER aes_256_wrap_pad = {
2372 NID_id_aes256_wrap_pad,
2373 8, 32, 4, WRAP_FLAGS,
2374 aes_wrap_init_key, aes_wrap_cipher,
2376 sizeof(EVP_AES_WRAP_CTX),
2377 NULL, NULL, NULL, NULL
2380 const EVP_CIPHER *EVP_aes_256_wrap_pad(void)
2382 return &aes_256_wrap_pad;
2385 #ifndef OPENSSL_NO_OCB
2386 static int aes_ocb_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
2388 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,c);
2389 EVP_CIPHER_CTX *newc;
2390 EVP_AES_OCB_CTX *new_octx;
2396 octx->ivlen = EVP_CIPHER_CTX_iv_length(c);
2397 octx->iv = EVP_CIPHER_CTX_iv_noconst(c);
2399 octx->data_buf_len = 0;
2400 octx->aad_buf_len = 0;
2403 case EVP_CTRL_AEAD_SET_IVLEN:
2404 /* IV len must be 1 to 15 */
2405 if (arg <= 0 || arg > 15)
2411 case EVP_CTRL_AEAD_SET_TAG:
2413 /* Tag len must be 0 to 16 */
2414 if (arg < 0 || arg > 16)
2420 if (arg != octx->taglen || EVP_CIPHER_CTX_encrypting(c))
2422 memcpy(octx->tag, ptr, arg);
2425 case EVP_CTRL_AEAD_GET_TAG:
2426 if (arg != octx->taglen || !EVP_CIPHER_CTX_encrypting(c))
2429 memcpy(ptr, octx->tag, arg);
2433 newc = (EVP_CIPHER_CTX *)ptr;
2434 new_octx = EVP_C_DATA(EVP_AES_OCB_CTX,newc);
2435 return CRYPTO_ocb128_copy_ctx(&new_octx->ocb, &octx->ocb,
2436 &new_octx->ksenc.ks,
2437 &new_octx->ksdec.ks);
2445 # ifdef HWAES_CAPABLE
2446 # ifdef HWAES_ocb_encrypt
2447 void HWAES_ocb_encrypt(const unsigned char *in, unsigned char *out,
2448 size_t blocks, const void *key,
2449 size_t start_block_num,
2450 unsigned char offset_i[16],
2451 const unsigned char L_[][16],
2452 unsigned char checksum[16]);
2454 # define HWAES_ocb_encrypt NULL
2456 # ifdef HWAES_ocb_decrypt
2457 void HWAES_ocb_decrypt(const unsigned char *in, unsigned char *out,
2458 size_t blocks, const void *key,
2459 size_t start_block_num,
2460 unsigned char offset_i[16],
2461 const unsigned char L_[][16],
2462 unsigned char checksum[16]);
2464 # define HWAES_ocb_decrypt NULL
2468 static int aes_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
2469 const unsigned char *iv, int enc)
2471 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
2477 * We set both the encrypt and decrypt key here because decrypt
2478 * needs both. We could possibly optimise to remove setting the
2479 * decrypt for an encryption operation.
2481 # ifdef HWAES_CAPABLE
2482 if (HWAES_CAPABLE) {
2483 HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2485 HWAES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2487 if (!CRYPTO_ocb128_init(&octx->ocb,
2488 &octx->ksenc.ks, &octx->ksdec.ks,
2489 (block128_f) HWAES_encrypt,
2490 (block128_f) HWAES_decrypt,
2491 enc ? HWAES_ocb_encrypt
2492 : HWAES_ocb_decrypt))
2497 # ifdef VPAES_CAPABLE
2498 if (VPAES_CAPABLE) {
2499 vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2501 vpaes_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2503 if (!CRYPTO_ocb128_init(&octx->ocb,
2504 &octx->ksenc.ks, &octx->ksdec.ks,
2505 (block128_f) vpaes_encrypt,
2506 (block128_f) vpaes_decrypt,
2512 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2514 AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2516 if (!CRYPTO_ocb128_init(&octx->ocb,
2517 &octx->ksenc.ks, &octx->ksdec.ks,
2518 (block128_f) AES_encrypt,
2519 (block128_f) AES_decrypt,
2526 * If we have an iv we can set it directly, otherwise use saved IV.
2528 if (iv == NULL && octx->iv_set)
2531 if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen)
2538 /* If key set use IV, otherwise copy */
2540 CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen);
2542 memcpy(octx->iv, iv, octx->ivlen);
2548 static int aes_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2549 const unsigned char *in, size_t len)
2553 int written_len = 0;
2554 size_t trailing_len;
2555 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
2557 /* If IV or Key not set then return error */
2566 * Need to ensure we are only passing full blocks to low level OCB
2567 * routines. We do it here rather than in EVP_EncryptUpdate/
2568 * EVP_DecryptUpdate because we need to pass full blocks of AAD too
2569 * and those routines don't support that
2572 /* Are we dealing with AAD or normal data here? */
2574 buf = octx->aad_buf;
2575 buf_len = &(octx->aad_buf_len);
2577 buf = octx->data_buf;
2578 buf_len = &(octx->data_buf_len);
2582 * If we've got a partially filled buffer from a previous call then
2583 * use that data first
2586 unsigned int remaining;
2588 remaining = 16 - (*buf_len);
2589 if (remaining > len) {
2590 memcpy(buf + (*buf_len), in, len);
2594 memcpy(buf + (*buf_len), in, remaining);
2597 * If we get here we've filled the buffer, so process it
2602 if (!CRYPTO_ocb128_aad(&octx->ocb, buf, 16))
2604 } else if (EVP_CIPHER_CTX_encrypting(ctx)) {
2605 if (!CRYPTO_ocb128_encrypt(&octx->ocb, buf, out, 16))
2608 if (!CRYPTO_ocb128_decrypt(&octx->ocb, buf, out, 16))
2615 /* Do we have a partial block to handle at the end? */
2616 trailing_len = len % 16;
2619 * If we've got some full blocks to handle, then process these first
2621 if (len != trailing_len) {
2623 if (!CRYPTO_ocb128_aad(&octx->ocb, in, len - trailing_len))
2625 } else if (EVP_CIPHER_CTX_encrypting(ctx)) {
2626 if (!CRYPTO_ocb128_encrypt
2627 (&octx->ocb, in, out, len - trailing_len))
2630 if (!CRYPTO_ocb128_decrypt
2631 (&octx->ocb, in, out, len - trailing_len))
2634 written_len += len - trailing_len;
2635 in += len - trailing_len;
2638 /* Handle any trailing partial block */
2640 memcpy(buf, in, trailing_len);
2641 *buf_len = trailing_len;
2647 * First of all empty the buffer of any partial block that we might
2648 * have been provided - both for data and AAD
2650 if (octx->data_buf_len) {
2651 if (EVP_CIPHER_CTX_encrypting(ctx)) {
2652 if (!CRYPTO_ocb128_encrypt(&octx->ocb, octx->data_buf, out,
2653 octx->data_buf_len))
2656 if (!CRYPTO_ocb128_decrypt(&octx->ocb, octx->data_buf, out,
2657 octx->data_buf_len))
2660 written_len = octx->data_buf_len;
2661 octx->data_buf_len = 0;
2663 if (octx->aad_buf_len) {
2664 if (!CRYPTO_ocb128_aad
2665 (&octx->ocb, octx->aad_buf, octx->aad_buf_len))
2667 octx->aad_buf_len = 0;
2669 /* If decrypting then verify */
2670 if (!EVP_CIPHER_CTX_encrypting(ctx)) {
2671 if (octx->taglen < 0)
2673 if (CRYPTO_ocb128_finish(&octx->ocb,
2674 octx->tag, octx->taglen) != 0)
2679 /* If encrypting then just get the tag */
2680 if (CRYPTO_ocb128_tag(&octx->ocb, octx->tag, 16) != 1)
2682 /* Don't reuse the IV */
2688 static int aes_ocb_cleanup(EVP_CIPHER_CTX *c)
2690 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,c);
2691 CRYPTO_ocb128_cleanup(&octx->ocb);
2695 BLOCK_CIPHER_custom(NID_aes, 128, 16, 12, ocb, OCB,
2696 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2697 BLOCK_CIPHER_custom(NID_aes, 192, 16, 12, ocb, OCB,
2698 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2699 BLOCK_CIPHER_custom(NID_aes, 256, 16, 12, ocb, OCB,
2700 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2701 #endif /* OPENSSL_NO_OCB */