2 * Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 #include <openssl/opensslconf.h>
11 #include <openssl/crypto.h>
12 #include <openssl/evp.h>
13 #include <openssl/err.h>
16 #include <openssl/aes.h>
17 #include "internal/evp_int.h"
18 #include <openssl/rand.h>
19 #include <openssl/cmac.h>
20 #include "ciphers_locl.h"
22 #define MAXBITCHUNK ((size_t)1 << (sizeof(size_t) * 8 - 4))
25 int vpaes_set_encrypt_key(const unsigned char *userKey, int bits,
27 int vpaes_set_decrypt_key(const unsigned char *userKey, int bits,
30 void vpaes_encrypt(const unsigned char *in, unsigned char *out,
32 void vpaes_decrypt(const unsigned char *in, unsigned char *out,
35 void vpaes_cbc_encrypt(const unsigned char *in,
38 const AES_KEY *key, unsigned char *ivec, int enc);
41 void bsaes_cbc_encrypt(const unsigned char *in, unsigned char *out,
42 size_t length, const AES_KEY *key,
43 unsigned char ivec[16], int enc);
44 void bsaes_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
45 size_t len, const AES_KEY *key,
46 const unsigned char ivec[16]);
49 void AES_ctr32_encrypt(const unsigned char *in, unsigned char *out,
50 size_t blocks, const AES_KEY *key,
51 const unsigned char ivec[AES_BLOCK_SIZE]);
55 #if defined(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC))
56 # include "ppc_arch.h"
58 # define VPAES_CAPABLE (OPENSSL_ppccap_P & PPC_ALTIVEC)
60 # define HWAES_CAPABLE (OPENSSL_ppccap_P & PPC_CRYPTO207)
61 # define HWAES_set_encrypt_key aes_p8_set_encrypt_key
62 # define HWAES_set_decrypt_key aes_p8_set_decrypt_key
63 # define HWAES_encrypt aes_p8_encrypt
64 # define HWAES_decrypt aes_p8_decrypt
65 # define HWAES_cbc_encrypt aes_p8_cbc_encrypt
66 # define HWAES_ctr32_encrypt_blocks aes_p8_ctr32_encrypt_blocks
67 # define HWAES_xts_encrypt aes_p8_xts_encrypt
68 # define HWAES_xts_decrypt aes_p8_xts_decrypt
71 #if defined(AES_ASM) && !defined(I386_ONLY) && ( \
72 ((defined(__i386) || defined(__i386__) || \
73 defined(_M_IX86)) && defined(OPENSSL_IA32_SSE2))|| \
74 defined(__x86_64) || defined(__x86_64__) || \
75 defined(_M_AMD64) || defined(_M_X64) )
77 extern unsigned int OPENSSL_ia32cap_P[];
80 # define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
83 # define BSAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
88 # define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
90 int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
92 int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
95 void aesni_encrypt(const unsigned char *in, unsigned char *out,
97 void aesni_decrypt(const unsigned char *in, unsigned char *out,
100 void aesni_ecb_encrypt(const unsigned char *in,
102 size_t length, const AES_KEY *key, int enc);
103 void aesni_cbc_encrypt(const unsigned char *in,
106 const AES_KEY *key, unsigned char *ivec, int enc);
108 void aesni_ctr32_encrypt_blocks(const unsigned char *in,
111 const void *key, const unsigned char *ivec);
113 static int aesni_init_key(PROV_AES_KEY *dat, const unsigned char *key,
118 if ((dat->mode == EVP_CIPH_ECB_MODE || dat->mode == EVP_CIPH_CBC_MODE)
120 ret = aesni_set_decrypt_key(key, keylen * 8, &dat->ks.ks);
121 dat->block = (block128_f) aesni_decrypt;
122 dat->stream.cbc = dat->mode == EVP_CIPH_CBC_MODE ?
123 (cbc128_f) aesni_cbc_encrypt : NULL;
125 ret = aesni_set_encrypt_key(key, keylen * 8, &dat->ks.ks);
126 dat->block = (block128_f) aesni_encrypt;
127 if (dat->mode == EVP_CIPH_CBC_MODE)
128 dat->stream.cbc = (cbc128_f) aesni_cbc_encrypt;
129 else if (dat->mode == EVP_CIPH_CTR_MODE)
130 dat->stream.ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
132 dat->stream.cbc = NULL;
136 EVPerr(EVP_F_AESNI_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
143 static int aesni_cbc_cipher(PROV_AES_KEY *ctx, unsigned char *out,
144 const unsigned char *in, size_t len)
146 aesni_cbc_encrypt(in, out, len, &ctx->ks.ks, ctx->iv, ctx->enc);
151 static int aesni_ecb_cipher(PROV_AES_KEY *ctx, unsigned char *out,
152 const unsigned char *in, size_t len)
154 if (len < AES_BLOCK_SIZE)
157 aesni_ecb_encrypt(in, out, len, &ctx->ks.ks, ctx->enc);
162 # define aesni_ofb_cipher aes_ofb_cipher
163 static int aesni_ofb_cipher(PROV_AES_KEY *ctx, unsigned char *out,
164 const unsigned char *in, size_t len);
166 # define aesni_cfb_cipher aes_cfb_cipher
167 static int aesni_cfb_cipher(PROV_AES_KEY *ctx, unsigned char *out,
168 const unsigned char *in, size_t len);
170 # define aesni_cfb8_cipher aes_cfb8_cipher
171 static int aesni_cfb8_cipher(PROV_AES_KEY *ctx, unsigned char *out,
172 const unsigned char *in, size_t len);
174 # define aesni_cfb1_cipher aes_cfb1_cipher
175 static int aesni_cfb1_cipher(PROV_AES_KEY *ctx, unsigned char *out,
176 const unsigned char *in, size_t len);
178 # define aesni_ctr_cipher aes_ctr_cipher
179 static int aesni_ctr_cipher(PROV_AES_KEY *ctx, unsigned char *out,
180 const unsigned char *in, size_t len);
182 # define BLOCK_CIPHER_generic_prov(mode) \
183 static const PROV_AES_CIPHER aesni_##mode = { \
185 aesni_##mode##_cipher}; \
186 static const PROV_AES_CIPHER aes_##mode = { \
188 aes_##mode##_cipher}; \
189 const PROV_AES_CIPHER *PROV_AES_CIPHER_##mode(size_t keylen) \
190 { return AESNI_CAPABLE?&aesni_##mode:&aes_##mode; }
193 #elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
195 # include "sparc_arch.h"
197 extern unsigned int OPENSSL_sparcv9cap_P[];
200 * Fujitsu SPARC64 X support
202 # define HWAES_CAPABLE (OPENSSL_sparcv9cap_P[0] & SPARCV9_FJAESX)
203 # define HWAES_set_encrypt_key aes_fx_set_encrypt_key
204 # define HWAES_set_decrypt_key aes_fx_set_decrypt_key
205 # define HWAES_encrypt aes_fx_encrypt
206 # define HWAES_decrypt aes_fx_decrypt
207 # define HWAES_cbc_encrypt aes_fx_cbc_encrypt
208 # define HWAES_ctr32_encrypt_blocks aes_fx_ctr32_encrypt_blocks
210 # define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES)
212 void aes_t4_set_encrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
213 void aes_t4_set_decrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
214 void aes_t4_encrypt(const unsigned char *in, unsigned char *out,
216 void aes_t4_decrypt(const unsigned char *in, unsigned char *out,
219 * Key-length specific subroutines were chosen for following reason.
220 * Each SPARC T4 core can execute up to 8 threads which share core's
221 * resources. Loading as much key material to registers allows to
222 * minimize references to shared memory interface, as well as amount
223 * of instructions in inner loops [much needed on T4]. But then having
224 * non-key-length specific routines would require conditional branches
225 * either in inner loops or on subroutines' entries. Former is hardly
226 * acceptable, while latter means code size increase to size occupied
227 * by multiple key-length specific subroutines, so why fight?
229 void aes128_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
230 size_t len, const AES_KEY *key,
231 unsigned char *ivec);
232 void aes128_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
233 size_t len, const AES_KEY *key,
234 unsigned char *ivec);
235 void aes192_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
236 size_t len, const AES_KEY *key,
237 unsigned char *ivec);
238 void aes192_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
239 size_t len, const AES_KEY *key,
240 unsigned char *ivec);
241 void aes256_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
242 size_t len, const AES_KEY *key,
243 unsigned char *ivec);
244 void aes256_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
245 size_t len, const AES_KEY *key,
246 unsigned char *ivec);
247 void aes128_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
248 size_t blocks, const AES_KEY *key,
249 unsigned char *ivec);
250 void aes192_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
251 size_t blocks, const AES_KEY *key,
252 unsigned char *ivec);
253 void aes256_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
254 size_t blocks, const AES_KEY *key,
255 unsigned char *ivec);
257 static int aes_t4_init_key(PROV_AES_KEY *dat, const unsigned char *key,
263 if ((dat->mode == EVP_CIPH_ECB_MODE || dat->mode == EVP_CIPH_CBC_MODE)
266 aes_t4_set_decrypt_key(key, bits, &dat->ks.ks);
267 dat->block = (block128_f) aes_t4_decrypt;
270 dat->stream.cbc = dat->mode == EVP_CIPH_CBC_MODE ?
271 (cbc128_f) aes128_t4_cbc_decrypt : NULL;
274 dat->stream.cbc = dat->mode == EVP_CIPH_CBC_MODE ?
275 (cbc128_f) aes192_t4_cbc_decrypt : NULL;
278 dat->stream.cbc = dat->mode == EVP_CIPH_CBC_MODE ?
279 (cbc128_f) aes256_t4_cbc_decrypt : NULL;
286 aes_t4_set_encrypt_key(key, bits, &dat->ks.ks);
287 dat->block = (block128_f)aes_t4_encrypt;
290 if (dat->mode == EVP_CIPH_CBC_MODE)
291 dat->stream.cbc = (cbc128_f)aes128_t4_cbc_encrypt;
292 else if (dat->mode == EVP_CIPH_CTR_MODE)
293 dat->stream.ctr = (ctr128_f)aes128_t4_ctr32_encrypt;
295 dat->stream.cbc = NULL;
298 if (dat->mode == EVP_CIPH_CBC_MODE)
299 dat->stream.cbc = (cbc128_f)aes192_t4_cbc_encrypt;
300 else if (dat->mode == EVP_CIPH_CTR_MODE)
301 dat->stream.ctr = (ctr128_f)aes192_t4_ctr32_encrypt;
303 dat->stream.cbc = NULL;
306 if (dat->mode == EVP_CIPH_CBC_MODE)
307 dat->stream.cbc = (cbc128_f)aes256_t4_cbc_encrypt;
308 else if (dat->mode == EVP_CIPH_CTR_MODE)
309 dat->stream.ctr = (ctr128_f)aes256_t4_ctr32_encrypt;
311 dat->stream.cbc = NULL;
319 EVPerr(EVP_F_AES_T4_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
326 # define aes_t4_cbc_cipher aes_cbc_cipher
327 static int aes_t4_cbc_cipher(PROV_AES_KEY *ctx, unsigned char *out,
328 const unsigned char *in, size_t len);
330 # define aes_t4_ecb_cipher aes_ecb_cipher
331 static int aes_t4_ecb_cipher(PROV_AES_KEY *ctx, unsigned char *out,
332 const unsigned char *in, size_t len);
334 # define aes_t4_ofb_cipher aes_ofb_cipher
335 static int aes_t4_ofb_cipher(PROV_AES_KEY *ctx, unsigned char *out,
336 const unsigned char *in, size_t len);
338 # define aes_t4_cfb_cipher aes_cfb_cipher
339 static int aes_t4_cfb_cipher(PROV_AES_KEY *ctx, unsigned char *out,
340 const unsigned char *in, size_t len);
342 # define aes_t4_cfb8_cipher aes_cfb8_cipher
343 static int aes_t4_cfb8_cipher(PROV_AES_KEY *ctx, unsigned char *out,
344 const unsigned char *in, size_t len);
346 # define aes_t4_cfb1_cipher aes_cfb1_cipher
347 static int aes_t4_cfb1_cipher(PROV_AES_KEY *ctx, unsigned char *out,
348 const unsigned char *in, size_t len);
350 # define aes_t4_ctr_cipher aes_ctr_cipher
351 static int aes_t4_ctr_cipher(PROV_AES_KEY *ctx, unsigned char *out,
352 const unsigned char *in, size_t len);
354 # define BLOCK_CIPHER_generic_prov(mode) \
355 static const PROV_AES_CIPHER aes_t4_##mode = { \
357 aes_t4_##mode##_cipher}; \
358 static const PROV_AES_CIPHER aes_##mode = { \
360 aes_##mode##_cipher}; \
361 const PROV_AES_CIPHER *PROV_AES_CIPHER_##mode(size_t keylen) \
362 { return SPARC_AES_CAPABLE?&aes_t4_##mode:&aes_##mode; }
365 #elif defined(OPENSSL_CPUID_OBJ) && defined(__s390__)
369 # include "s390x_arch.h"
371 /* Convert key size to function code: [16,24,32] -> [18,19,20]. */
372 # define S390X_AES_FC(keylen) (S390X_AES_128 + ((((keylen) << 3) - 128) >> 6))
374 /* Most modes of operation need km for partial block processing. */
375 # define S390X_aes_128_CAPABLE (OPENSSL_s390xcap_P.km[0] & \
376 S390X_CAPBIT(S390X_AES_128))
377 # define S390X_aes_192_CAPABLE (OPENSSL_s390xcap_P.km[0] & \
378 S390X_CAPBIT(S390X_AES_192))
379 # define S390X_aes_256_CAPABLE (OPENSSL_s390xcap_P.km[0] & \
380 S390X_CAPBIT(S390X_AES_256))
382 # define s390x_aes_init_key aes_init_key
383 static int s390x_aes_init_key(PROV_AES_KEY *dat, const unsigned char *key,
386 # define S390X_aes_128_cbc_CAPABLE 1 /* checked by callee */
387 # define S390X_aes_192_cbc_CAPABLE 1
388 # define S390X_aes_256_cbc_CAPABLE 1
389 # define S390X_AES_CBC_CTX PROV_AES_KEY
391 # define s390x_aes_cbc_init_key aes_init_key
393 # define s390x_aes_cbc_cipher aes_cbc_cipher
394 static int s390x_aes_cbc_cipher(PROV_AES_KEY *dat, unsigned char *out,
395 const unsigned char *in, size_t len);
397 # define S390X_aes_128_ecb_CAPABLE S390X_aes_128_CAPABLE
398 # define S390X_aes_192_ecb_CAPABLE S390X_aes_192_CAPABLE
399 # define S390X_aes_256_ecb_CAPABLE S390X_aes_256_CAPABLE
401 static int s390x_aes_ecb_init_key(PROV_AES_KEY *dat, const unsigned char *key,
404 dat->plat.s390x.fc = S390X_AES_FC(keylen);
406 dat->plat.s390x.fc |= S390X_DECRYPT;
408 memcpy(dat->plat.s390x.param.km.k, key, keylen);
412 static int s390x_aes_ecb_cipher(PROV_AES_KEY *dat, unsigned char *out,
413 const unsigned char *in, size_t len)
415 s390x_km(in, len, out, dat->plat.s390x.fc,
416 &dat->plat.s390x.param.km);
420 # define S390X_aes_128_ofb_CAPABLE (S390X_aes_128_CAPABLE && \
421 (OPENSSL_s390xcap_P.kmo[0] & \
422 S390X_CAPBIT(S390X_AES_128)))
423 # define S390X_aes_192_ofb_CAPABLE (S390X_aes_192_CAPABLE && \
424 (OPENSSL_s390xcap_P.kmo[0] & \
425 S390X_CAPBIT(S390X_AES_192)))
426 # define S390X_aes_256_ofb_CAPABLE (S390X_aes_256_CAPABLE && \
427 (OPENSSL_s390xcap_P.kmo[0] & \
428 S390X_CAPBIT(S390X_AES_256)))
430 static int s390x_aes_ofb_init_key(PROV_AES_KEY *dat, const unsigned char *key,
433 memcpy(dat->plat.s390x.param.kmo_kmf.cv, dat->iv, AES_BLOCK_SIZE);
434 memcpy(dat->plat.s390x.param.kmo_kmf.k, key, keylen);
435 dat->plat.s390x.fc = S390X_AES_FC(keylen);
436 dat->plat.s390x.res = 0;
440 static int s390x_aes_ofb_cipher(PROV_AES_KEY *dat, unsigned char *out,
441 const unsigned char *in, size_t len)
443 int n = dat->plat.s390x.res;
447 *out = *in ^ dat->plat.s390x.param.kmo_kmf.cv[n];
458 s390x_kmo(in, len, out, dat->plat.s390x.fc,
459 &dat->plat.s390x.param.kmo_kmf);
466 s390x_km(dat->plat.s390x.param.kmo_kmf.cv, 16,
467 dat->plat.s390x.param.kmo_kmf.cv, dat->plat.s390x.fc,
468 dat->plat.s390x.param.kmo_kmf.k);
471 out[n] = in[n] ^ dat->plat.s390x.param.kmo_kmf.cv[n];
476 dat->plat.s390x.res = n;
480 # define S390X_aes_128_cfb_CAPABLE (S390X_aes_128_CAPABLE && \
481 (OPENSSL_s390xcap_P.kmf[0] & \
482 S390X_CAPBIT(S390X_AES_128)))
483 # define S390X_aes_192_cfb_CAPABLE (S390X_aes_192_CAPABLE && \
484 (OPENSSL_s390xcap_P.kmf[0] & \
485 S390X_CAPBIT(S390X_AES_192)))
486 # define S390X_aes_256_cfb_CAPABLE (S390X_aes_256_CAPABLE && \
487 (OPENSSL_s390xcap_P.kmf[0] & \
488 S390X_CAPBIT(S390X_AES_256)))
490 static int s390x_aes_cfb_init_key(PROV_AES_KEY *dat, const unsigned char *key,
493 dat->plat.s390x.fc = S390X_AES_FC(keylen);
494 dat->plat.s390x.fc |= 16 << 24; /* 16 bytes cipher feedback */
496 dat->plat.s390x.fc |= S390X_DECRYPT;
498 dat->plat.s390x.res = 0;
499 memcpy(dat->plat.s390x.param.kmo_kmf.cv, dat->iv, AES_BLOCK_SIZE);
500 memcpy(dat->plat.s390x.param.kmo_kmf.k, key, keylen);
504 static int s390x_aes_cfb_cipher(PROV_AES_KEY *dat, unsigned char *out,
505 const unsigned char *in, size_t len)
507 int n = dat->plat.s390x.res;
513 *out = dat->plat.s390x.param.kmo_kmf.cv[n] ^ tmp;
514 dat->plat.s390x.param.kmo_kmf.cv[n] = dat->enc ? *out : tmp;
525 s390x_kmf(in, len, out, dat->plat.s390x.fc,
526 &dat->plat.s390x.param.kmo_kmf);
533 s390x_km(dat->plat.s390x.param.kmo_kmf.cv, 16,
534 dat->plat.s390x.param.kmo_kmf.cv,
535 S390X_AES_FC(dat->keylen), dat->plat.s390x.param.kmo_kmf.k);
539 out[n] = dat->plat.s390x.param.kmo_kmf.cv[n] ^ tmp;
540 dat->plat.s390x.param.kmo_kmf.cv[n] = dat->enc ? out[n] : tmp;
545 dat->plat.s390x.res = n;
549 # define S390X_aes_128_cfb8_CAPABLE (OPENSSL_s390xcap_P.kmf[0] & \
550 S390X_CAPBIT(S390X_AES_128))
551 # define S390X_aes_192_cfb8_CAPABLE (OPENSSL_s390xcap_P.kmf[0] & \
552 S390X_CAPBIT(S390X_AES_192))
553 # define S390X_aes_256_cfb8_CAPABLE (OPENSSL_s390xcap_P.kmf[0] & \
554 S390X_CAPBIT(S390X_AES_256))
556 static int s390x_aes_cfb8_init_key(PROV_AES_KEY *dat, const unsigned char *key,
559 dat->plat.s390x.fc = S390X_AES_FC(keylen);
560 dat->plat.s390x.fc |= 1 << 24; /* 1 byte cipher feedback */
562 dat->plat.s390x.fc |= S390X_DECRYPT;
564 memcpy(dat->plat.s390x.param.kmo_kmf.cv, dat->iv, AES_BLOCK_SIZE);
565 memcpy(dat->plat.s390x.param.kmo_kmf.k, key, keylen);
569 static int s390x_aes_cfb8_cipher(PROV_AES_KEY *dat, unsigned char *out,
570 const unsigned char *in, size_t len)
572 s390x_kmf(in, len, out, dat->plat.s390x.fc,
573 &dat->plat.s390x.param.kmo_kmf);
577 # define S390X_aes_128_cfb1_CAPABLE 0
578 # define S390X_aes_192_cfb1_CAPABLE 0
579 # define S390X_aes_256_cfb1_CAPABLE 0
581 # define s390x_aes_cfb1_init_key aes_init_key
583 # define s390x_aes_cfb1_cipher aes_cfb1_cipher
584 static int s390x_aes_cfb1_cipher(PROV_AES_KEY *dat, unsigned char *out,
585 const unsigned char *in, size_t len);
587 # define S390X_aes_128_ctr_CAPABLE 1 /* checked by callee */
588 # define S390X_aes_192_ctr_CAPABLE 1
589 # define S390X_aes_256_ctr_CAPABLE 1
590 # define S390X_AES_CTR_CTX PROV_AES_KEY
592 # define s390x_aes_ctr_init_key aes_init_key
594 # define s390x_aes_ctr_cipher aes_ctr_cipher
595 static int s390x_aes_ctr_cipher(PROV_AES_KEY *dat, unsigned char *out,
596 const unsigned char *in, size_t len);
598 # define BLOCK_CIPHER_generic_prov(mode) \
599 static const PROV_AES_CIPHER s390x_aes_##mode = { \
600 s390x_aes_##mode##_init_key, \
601 s390x_aes_##mode##_cipher \
603 static const PROV_AES_CIPHER aes_##mode = { \
605 aes_##mode##_cipher \
607 const PROV_AES_CIPHER *PROV_AES_CIPHER_##mode(size_t keylen) \
609 if ((keylen == 128 && S390X_aes_128_##mode##_CAPABLE) \
610 || (keylen == 192 && S390X_aes_192_##mode##_CAPABLE) \
611 || (keylen == 256 && S390X_aes_256_##mode##_CAPABLE)) \
612 return &s390x_aes_##mode; \
614 return &aes_##mode; \
619 # define BLOCK_CIPHER_generic_prov(mode) \
620 static const PROV_AES_CIPHER aes_##mode = { \
622 aes_##mode##_cipher}; \
623 const PROV_AES_CIPHER *PROV_AES_CIPHER_##mode(size_t keylen) \
624 { return &aes_##mode; }
628 #if defined(OPENSSL_CPUID_OBJ) && (defined(__arm__) || defined(__arm) || defined(__aarch64__))
629 # include "arm_arch.h"
630 # if __ARM_MAX_ARCH__>=7
631 # if defined(BSAES_ASM)
632 # define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
634 # if defined(VPAES_ASM)
635 # define VPAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
637 # define HWAES_CAPABLE (OPENSSL_armcap_P & ARMV8_AES)
638 # define HWAES_set_encrypt_key aes_v8_set_encrypt_key
639 # define HWAES_set_decrypt_key aes_v8_set_decrypt_key
640 # define HWAES_encrypt aes_v8_encrypt
641 # define HWAES_decrypt aes_v8_decrypt
642 # define HWAES_cbc_encrypt aes_v8_cbc_encrypt
643 # define HWAES_ctr32_encrypt_blocks aes_v8_ctr32_encrypt_blocks
647 #if defined(HWAES_CAPABLE)
648 int HWAES_set_encrypt_key(const unsigned char *userKey, const int bits,
650 int HWAES_set_decrypt_key(const unsigned char *userKey, const int bits,
652 void HWAES_encrypt(const unsigned char *in, unsigned char *out,
654 void HWAES_decrypt(const unsigned char *in, unsigned char *out,
656 void HWAES_cbc_encrypt(const unsigned char *in, unsigned char *out,
657 size_t length, const AES_KEY *key,
658 unsigned char *ivec, const int enc);
659 void HWAES_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
660 size_t len, const AES_KEY *key,
661 const unsigned char ivec[16]);
664 static int aes_init_key(PROV_AES_KEY *dat, const unsigned char *key,
669 if ((dat->mode == EVP_CIPH_ECB_MODE || dat->mode == EVP_CIPH_CBC_MODE)
673 ret = HWAES_set_decrypt_key(key, keylen * 8, &dat->ks.ks);
674 dat->block = (block128_f)HWAES_decrypt;
675 dat->stream.cbc = NULL;
676 # ifdef HWAES_cbc_encrypt
677 if (dat->mode == EVP_CIPH_CBC_MODE)
678 dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
683 if (BSAES_CAPABLE && dat->mode == EVP_CIPH_CBC_MODE) {
684 ret = AES_set_decrypt_key(key, keylen * 8, &dat->ks.ks);
685 dat->block = (block128_f)AES_decrypt;
686 dat->stream.cbc = (cbc128_f)bsaes_cbc_encrypt;
691 ret = vpaes_set_decrypt_key(key, keylen * 8, &dat->ks.ks);
692 dat->block = (block128_f)vpaes_decrypt;
693 dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
694 ?(cbc128_f)vpaes_cbc_encrypt : NULL;
698 ret = AES_set_decrypt_key(key, keylen * 8, &dat->ks.ks);
699 dat->block = (block128_f)AES_decrypt;
700 dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
701 ? (cbc128_f)AES_cbc_encrypt : NULL;
706 ret = HWAES_set_encrypt_key(key, keylen * 8, &dat->ks.ks);
707 dat->block = (block128_f)HWAES_encrypt;
708 dat->stream.cbc = NULL;
709 # ifdef HWAES_cbc_encrypt
710 if (dat->mode == EVP_CIPH_CBC_MODE)
711 dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
714 # ifdef HWAES_ctr32_encrypt_blocks
715 if (dat->mode == EVP_CIPH_CTR_MODE)
716 dat->stream.ctr = (ctr128_f)HWAES_ctr32_encrypt_blocks;
719 (void)0; /* terminate potentially open 'else' */
723 if (BSAES_CAPABLE && dat->mode == EVP_CIPH_CTR_MODE) {
724 ret = AES_set_encrypt_key(key, keylen * 8, &dat->ks.ks);
725 dat->block = (block128_f)AES_encrypt;
726 dat->stream.ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
731 ret = vpaes_set_encrypt_key(key, keylen * 8, &dat->ks.ks);
732 dat->block = (block128_f)vpaes_encrypt;
733 dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
734 ? (cbc128_f)vpaes_cbc_encrypt : NULL;
738 ret = AES_set_encrypt_key(key, keylen * 8, &dat->ks.ks);
739 dat->block = (block128_f)AES_encrypt;
740 dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
741 ? (cbc128_f)AES_cbc_encrypt : NULL;
743 if (dat->mode == EVP_CIPH_CTR_MODE)
744 dat->stream.ctr = (ctr128_f)AES_ctr32_encrypt;
749 EVPerr(EVP_F_AES_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
756 static int aes_cbc_cipher(PROV_AES_KEY *dat, unsigned char *out,
757 const unsigned char *in, size_t len)
760 (*dat->stream.cbc) (in, out, len, &dat->ks, dat->iv, dat->enc);
762 CRYPTO_cbc128_encrypt(in, out, len, &dat->ks, dat->iv, dat->block);
764 CRYPTO_cbc128_decrypt(in, out, len, &dat->ks, dat->iv, dat->block);
769 static int aes_ecb_cipher(PROV_AES_KEY *dat, unsigned char *out,
770 const unsigned char *in, size_t len)
774 if (len < AES_BLOCK_SIZE)
777 for (i = 0, len -= AES_BLOCK_SIZE; i <= len; i += AES_BLOCK_SIZE)
778 (*dat->block) (in + i, out + i, &dat->ks);
783 static int aes_ofb_cipher(PROV_AES_KEY *dat, unsigned char *out,
784 const unsigned char *in, size_t len)
787 CRYPTO_ofb128_encrypt(in, out, len, &dat->ks, dat->iv, &num, dat->block);
793 static int aes_cfb_cipher(PROV_AES_KEY *dat, unsigned char *out,
794 const unsigned char *in, size_t len)
797 CRYPTO_cfb128_encrypt(in, out, len, &dat->ks, dat->iv, &num, dat->enc,
804 static int aes_cfb8_cipher(PROV_AES_KEY *dat, unsigned char *out,
805 const unsigned char *in, size_t len)
808 CRYPTO_cfb128_8_encrypt(in, out, len, &dat->ks, dat->iv, &num, dat->enc,
815 static int aes_cfb1_cipher(PROV_AES_KEY *dat, unsigned char *out,
816 const unsigned char *in, size_t len)
820 if ((dat->flags & EVP_CIPH_FLAG_LENGTH_BITS) != 0) {
821 CRYPTO_cfb128_1_encrypt(in, out, len, &dat->ks, dat->iv, &num,
822 dat->enc, dat->block);
827 while (len >= MAXBITCHUNK) {
828 CRYPTO_cfb128_1_encrypt(in, out, MAXBITCHUNK * 8, &dat->ks,
829 dat->iv, &num, dat->enc, dat->block);
835 CRYPTO_cfb128_1_encrypt(in, out, len * 8, &dat->ks, dat->iv, &num,
836 dat->enc, dat->block);
843 static int aes_ctr_cipher(PROV_AES_KEY *dat, unsigned char *out,
844 const unsigned char *in, size_t len)
846 unsigned int num = dat->num;
849 CRYPTO_ctr128_encrypt_ctr32(in, out, len, &dat->ks, dat->iv, dat->buf,
850 &num, dat->stream.ctr);
852 CRYPTO_ctr128_encrypt(in, out, len, &dat->ks, dat->iv, dat->buf,
859 BLOCK_CIPHER_generic_prov(cbc)
860 BLOCK_CIPHER_generic_prov(ecb)
861 BLOCK_CIPHER_generic_prov(ofb)
862 BLOCK_CIPHER_generic_prov(cfb)
863 BLOCK_CIPHER_generic_prov(cfb1)
864 BLOCK_CIPHER_generic_prov(cfb8)
865 BLOCK_CIPHER_generic_prov(ctr)