2 * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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 "modes_lcl.h"
19 #include <openssl/rand.h>
37 } ks; /* AES key schedule to use */
38 int key_set; /* Set if key initialised */
39 int iv_set; /* Set if an iv is set */
41 unsigned char *iv; /* Temporary IV store */
42 int ivlen; /* IV length */
44 int iv_gen; /* It is OK to generate IVs */
45 int tls_aad_len; /* TLS AAD length */
53 } ks1, ks2; /* AES key schedules to use */
55 void (*stream) (const unsigned char *in,
56 unsigned char *out, size_t length,
57 const AES_KEY *key1, const AES_KEY *key2,
58 const unsigned char iv[16]);
65 } ks; /* AES key schedule to use */
66 int key_set; /* Set if key initialised */
67 int iv_set; /* Set if an iv is set */
68 int tag_set; /* Set if tag is valid */
69 int len_set; /* Set if message length set */
70 int L, M; /* L and M parameters from RFC3610 */
71 int tls_aad_len; /* TLS AAD length */
76 #ifndef OPENSSL_NO_OCB
81 } ksenc; /* AES key schedule to use for encryption */
85 } ksdec; /* AES key schedule to use for decryption */
86 int key_set; /* Set if key initialised */
87 int iv_set; /* Set if an iv is set */
89 unsigned char *iv; /* Temporary IV store */
90 unsigned char tag[16];
91 unsigned char data_buf[16]; /* Store partial data blocks */
92 unsigned char aad_buf[16]; /* Store partial AAD blocks */
95 int ivlen; /* IV length */
100 #define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4))
103 int vpaes_set_encrypt_key(const unsigned char *userKey, int bits,
105 int vpaes_set_decrypt_key(const unsigned char *userKey, int bits,
108 void vpaes_encrypt(const unsigned char *in, unsigned char *out,
110 void vpaes_decrypt(const unsigned char *in, unsigned char *out,
113 void vpaes_cbc_encrypt(const unsigned char *in,
116 const AES_KEY *key, unsigned char *ivec, int enc);
119 void bsaes_cbc_encrypt(const unsigned char *in, unsigned char *out,
120 size_t length, const AES_KEY *key,
121 unsigned char ivec[16], int enc);
122 void bsaes_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
123 size_t len, const AES_KEY *key,
124 const unsigned char ivec[16]);
125 void bsaes_xts_encrypt(const unsigned char *inp, unsigned char *out,
126 size_t len, const AES_KEY *key1,
127 const AES_KEY *key2, const unsigned char iv[16]);
128 void bsaes_xts_decrypt(const unsigned char *inp, unsigned char *out,
129 size_t len, const AES_KEY *key1,
130 const AES_KEY *key2, const unsigned char iv[16]);
133 void AES_ctr32_encrypt(const unsigned char *in, unsigned char *out,
134 size_t blocks, const AES_KEY *key,
135 const unsigned char ivec[AES_BLOCK_SIZE]);
138 void AES_xts_encrypt(const char *inp, char *out, size_t len,
139 const AES_KEY *key1, const AES_KEY *key2,
140 const unsigned char iv[16]);
141 void AES_xts_decrypt(const char *inp, char *out, size_t len,
142 const AES_KEY *key1, const AES_KEY *key2,
143 const unsigned char iv[16]);
146 #if defined(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC))
147 # include "ppc_arch.h"
149 # define VPAES_CAPABLE (OPENSSL_ppccap_P & PPC_ALTIVEC)
151 # define HWAES_CAPABLE (OPENSSL_ppccap_P & PPC_CRYPTO207)
152 # define HWAES_set_encrypt_key aes_p8_set_encrypt_key
153 # define HWAES_set_decrypt_key aes_p8_set_decrypt_key
154 # define HWAES_encrypt aes_p8_encrypt
155 # define HWAES_decrypt aes_p8_decrypt
156 # define HWAES_cbc_encrypt aes_p8_cbc_encrypt
157 # define HWAES_ctr32_encrypt_blocks aes_p8_ctr32_encrypt_blocks
160 #if defined(AES_ASM) && !defined(I386_ONLY) && ( \
161 ((defined(__i386) || defined(__i386__) || \
162 defined(_M_IX86)) && defined(OPENSSL_IA32_SSE2))|| \
163 defined(__x86_64) || defined(__x86_64__) || \
164 defined(_M_AMD64) || defined(_M_X64) )
166 extern unsigned int OPENSSL_ia32cap_P[];
169 # define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
172 # define BSAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
177 # define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
179 int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
181 int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
184 void aesni_encrypt(const unsigned char *in, unsigned char *out,
186 void aesni_decrypt(const unsigned char *in, unsigned char *out,
189 void aesni_ecb_encrypt(const unsigned char *in,
191 size_t length, const AES_KEY *key, int enc);
192 void aesni_cbc_encrypt(const unsigned char *in,
195 const AES_KEY *key, unsigned char *ivec, int enc);
197 void aesni_ctr32_encrypt_blocks(const unsigned char *in,
200 const void *key, const unsigned char *ivec);
202 void aesni_xts_encrypt(const unsigned char *in,
205 const AES_KEY *key1, const AES_KEY *key2,
206 const unsigned char iv[16]);
208 void aesni_xts_decrypt(const unsigned char *in,
211 const AES_KEY *key1, const AES_KEY *key2,
212 const unsigned char iv[16]);
214 void aesni_ccm64_encrypt_blocks(const unsigned char *in,
218 const unsigned char ivec[16],
219 unsigned char cmac[16]);
221 void aesni_ccm64_decrypt_blocks(const unsigned char *in,
225 const unsigned char ivec[16],
226 unsigned char cmac[16]);
228 # if defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
229 size_t aesni_gcm_encrypt(const unsigned char *in,
232 const void *key, unsigned char ivec[16], u64 *Xi);
233 # define AES_gcm_encrypt aesni_gcm_encrypt
234 size_t aesni_gcm_decrypt(const unsigned char *in,
237 const void *key, unsigned char ivec[16], u64 *Xi);
238 # define AES_gcm_decrypt aesni_gcm_decrypt
239 void gcm_ghash_avx(u64 Xi[2], const u128 Htable[16], const u8 *in,
241 # define AES_GCM_ASM(gctx) (gctx->ctr==aesni_ctr32_encrypt_blocks && \
242 gctx->gcm.ghash==gcm_ghash_avx)
243 # define AES_GCM_ASM2(gctx) (gctx->gcm.block==(block128_f)aesni_encrypt && \
244 gctx->gcm.ghash==gcm_ghash_avx)
245 # undef AES_GCM_ASM2 /* minor size optimization */
248 static int aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
249 const unsigned char *iv, int enc)
252 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
254 mode = EVP_CIPHER_CTX_mode(ctx);
255 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
257 ret = aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
259 dat->block = (block128_f) aesni_decrypt;
260 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
261 (cbc128_f) aesni_cbc_encrypt : NULL;
263 ret = aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
265 dat->block = (block128_f) aesni_encrypt;
266 if (mode == EVP_CIPH_CBC_MODE)
267 dat->stream.cbc = (cbc128_f) aesni_cbc_encrypt;
268 else if (mode == EVP_CIPH_CTR_MODE)
269 dat->stream.ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
271 dat->stream.cbc = NULL;
275 EVPerr(EVP_F_AESNI_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
282 static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
283 const unsigned char *in, size_t len)
285 aesni_cbc_encrypt(in, out, len, &EVP_C_DATA(EVP_AES_KEY,ctx)->ks.ks,
286 EVP_CIPHER_CTX_iv_noconst(ctx),
287 EVP_CIPHER_CTX_encrypting(ctx));
292 static int aesni_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
293 const unsigned char *in, size_t len)
295 size_t bl = EVP_CIPHER_CTX_block_size(ctx);
300 aesni_ecb_encrypt(in, out, len, &EVP_C_DATA(EVP_AES_KEY,ctx)->ks.ks,
301 EVP_CIPHER_CTX_encrypting(ctx));
306 # define aesni_ofb_cipher aes_ofb_cipher
307 static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
308 const unsigned char *in, size_t len);
310 # define aesni_cfb_cipher aes_cfb_cipher
311 static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
312 const unsigned char *in, size_t len);
314 # define aesni_cfb8_cipher aes_cfb8_cipher
315 static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
316 const unsigned char *in, size_t len);
318 # define aesni_cfb1_cipher aes_cfb1_cipher
319 static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
320 const unsigned char *in, size_t len);
322 # define aesni_ctr_cipher aes_ctr_cipher
323 static int aesni_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
324 const unsigned char *in, size_t len);
326 static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
327 const unsigned char *iv, int enc)
329 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
333 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
335 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f) aesni_encrypt);
336 gctx->ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
338 * If we have an iv can set it directly, otherwise use saved IV.
340 if (iv == NULL && gctx->iv_set)
343 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
348 /* If key set use IV, otherwise copy */
350 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
352 memcpy(gctx->iv, iv, gctx->ivlen);
359 # define aesni_gcm_cipher aes_gcm_cipher
360 static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
361 const unsigned char *in, size_t len);
363 static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
364 const unsigned char *iv, int enc)
366 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
371 /* key_len is two AES keys */
373 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
375 xctx->xts.block1 = (block128_f) aesni_encrypt;
376 xctx->stream = aesni_xts_encrypt;
378 aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
380 xctx->xts.block1 = (block128_f) aesni_decrypt;
381 xctx->stream = aesni_xts_decrypt;
384 aesni_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
385 EVP_CIPHER_CTX_key_length(ctx) * 4,
387 xctx->xts.block2 = (block128_f) aesni_encrypt;
389 xctx->xts.key1 = &xctx->ks1;
393 xctx->xts.key2 = &xctx->ks2;
394 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16);
400 # define aesni_xts_cipher aes_xts_cipher
401 static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
402 const unsigned char *in, size_t len);
404 static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
405 const unsigned char *iv, int enc)
407 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
411 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
413 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
414 &cctx->ks, (block128_f) aesni_encrypt);
415 cctx->str = enc ? (ccm128_f) aesni_ccm64_encrypt_blocks :
416 (ccm128_f) aesni_ccm64_decrypt_blocks;
420 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
426 # define aesni_ccm_cipher aes_ccm_cipher
427 static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
428 const unsigned char *in, size_t len);
430 # ifndef OPENSSL_NO_OCB
431 void aesni_ocb_encrypt(const unsigned char *in, unsigned char *out,
432 size_t blocks, const void *key,
433 size_t start_block_num,
434 unsigned char offset_i[16],
435 const unsigned char L_[][16],
436 unsigned char checksum[16]);
437 void aesni_ocb_decrypt(const unsigned char *in, unsigned char *out,
438 size_t blocks, const void *key,
439 size_t start_block_num,
440 unsigned char offset_i[16],
441 const unsigned char L_[][16],
442 unsigned char checksum[16]);
444 static int aesni_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
445 const unsigned char *iv, int enc)
447 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
453 * We set both the encrypt and decrypt key here because decrypt
454 * needs both. We could possibly optimise to remove setting the
455 * decrypt for an encryption operation.
457 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
459 aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
461 if (!CRYPTO_ocb128_init(&octx->ocb,
462 &octx->ksenc.ks, &octx->ksdec.ks,
463 (block128_f) aesni_encrypt,
464 (block128_f) aesni_decrypt,
465 enc ? aesni_ocb_encrypt
466 : aesni_ocb_decrypt))
472 * If we have an iv we can set it directly, otherwise use saved IV.
474 if (iv == NULL && octx->iv_set)
477 if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen)
484 /* If key set use IV, otherwise copy */
486 CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen);
488 memcpy(octx->iv, iv, octx->ivlen);
494 # define aesni_ocb_cipher aes_ocb_cipher
495 static int aesni_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
496 const unsigned char *in, size_t len);
497 # endif /* OPENSSL_NO_OCB */
499 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
500 static const EVP_CIPHER aesni_##keylen##_##mode = { \
501 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
502 flags|EVP_CIPH_##MODE##_MODE, \
504 aesni_##mode##_cipher, \
506 sizeof(EVP_AES_KEY), \
507 NULL,NULL,NULL,NULL }; \
508 static const EVP_CIPHER aes_##keylen##_##mode = { \
509 nid##_##keylen##_##nmode,blocksize, \
511 flags|EVP_CIPH_##MODE##_MODE, \
513 aes_##mode##_cipher, \
515 sizeof(EVP_AES_KEY), \
516 NULL,NULL,NULL,NULL }; \
517 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
518 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
520 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
521 static const EVP_CIPHER aesni_##keylen##_##mode = { \
522 nid##_##keylen##_##mode,blocksize, \
523 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
524 flags|EVP_CIPH_##MODE##_MODE, \
525 aesni_##mode##_init_key, \
526 aesni_##mode##_cipher, \
527 aes_##mode##_cleanup, \
528 sizeof(EVP_AES_##MODE##_CTX), \
529 NULL,NULL,aes_##mode##_ctrl,NULL }; \
530 static const EVP_CIPHER aes_##keylen##_##mode = { \
531 nid##_##keylen##_##mode,blocksize, \
532 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
533 flags|EVP_CIPH_##MODE##_MODE, \
534 aes_##mode##_init_key, \
535 aes_##mode##_cipher, \
536 aes_##mode##_cleanup, \
537 sizeof(EVP_AES_##MODE##_CTX), \
538 NULL,NULL,aes_##mode##_ctrl,NULL }; \
539 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
540 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
542 #elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
544 # include "sparc_arch.h"
546 extern unsigned int OPENSSL_sparcv9cap_P[];
549 * Initial Fujitsu SPARC64 X support
551 # define HWAES_CAPABLE (OPENSSL_sparcv9cap_P[0] & SPARCV9_FJAESX)
552 # define HWAES_set_encrypt_key aes_fx_set_encrypt_key
553 # define HWAES_set_decrypt_key aes_fx_set_decrypt_key
554 # define HWAES_encrypt aes_fx_encrypt
555 # define HWAES_decrypt aes_fx_decrypt
557 # define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES)
559 void aes_t4_set_encrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
560 void aes_t4_set_decrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
561 void aes_t4_encrypt(const unsigned char *in, unsigned char *out,
563 void aes_t4_decrypt(const unsigned char *in, unsigned char *out,
566 * Key-length specific subroutines were chosen for following reason.
567 * Each SPARC T4 core can execute up to 8 threads which share core's
568 * resources. Loading as much key material to registers allows to
569 * minimize references to shared memory interface, as well as amount
570 * of instructions in inner loops [much needed on T4]. But then having
571 * non-key-length specific routines would require conditional branches
572 * either in inner loops or on subroutines' entries. Former is hardly
573 * acceptable, while latter means code size increase to size occupied
574 * by multiple key-length specific subroutines, so why fight?
576 void aes128_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
577 size_t len, const AES_KEY *key,
578 unsigned char *ivec);
579 void aes128_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
580 size_t len, const AES_KEY *key,
581 unsigned char *ivec);
582 void aes192_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
583 size_t len, const AES_KEY *key,
584 unsigned char *ivec);
585 void aes192_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
586 size_t len, const AES_KEY *key,
587 unsigned char *ivec);
588 void aes256_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
589 size_t len, const AES_KEY *key,
590 unsigned char *ivec);
591 void aes256_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
592 size_t len, const AES_KEY *key,
593 unsigned char *ivec);
594 void aes128_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
595 size_t blocks, const AES_KEY *key,
596 unsigned char *ivec);
597 void aes192_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
598 size_t blocks, const AES_KEY *key,
599 unsigned char *ivec);
600 void aes256_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
601 size_t blocks, const AES_KEY *key,
602 unsigned char *ivec);
603 void aes128_t4_xts_encrypt(const unsigned char *in, unsigned char *out,
604 size_t blocks, const AES_KEY *key1,
605 const AES_KEY *key2, const unsigned char *ivec);
606 void aes128_t4_xts_decrypt(const unsigned char *in, unsigned char *out,
607 size_t blocks, const AES_KEY *key1,
608 const AES_KEY *key2, const unsigned char *ivec);
609 void aes256_t4_xts_encrypt(const unsigned char *in, unsigned char *out,
610 size_t blocks, const AES_KEY *key1,
611 const AES_KEY *key2, const unsigned char *ivec);
612 void aes256_t4_xts_decrypt(const unsigned char *in, unsigned char *out,
613 size_t blocks, const AES_KEY *key1,
614 const AES_KEY *key2, const unsigned char *ivec);
616 static int aes_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
617 const unsigned char *iv, int enc)
620 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
622 mode = EVP_CIPHER_CTX_mode(ctx);
623 bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
624 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
627 aes_t4_set_decrypt_key(key, bits, &dat->ks.ks);
628 dat->block = (block128_f) aes_t4_decrypt;
631 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
632 (cbc128_f) aes128_t4_cbc_decrypt : NULL;
635 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
636 (cbc128_f) aes192_t4_cbc_decrypt : NULL;
639 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
640 (cbc128_f) aes256_t4_cbc_decrypt : NULL;
647 aes_t4_set_encrypt_key(key, bits, &dat->ks.ks);
648 dat->block = (block128_f) aes_t4_encrypt;
651 if (mode == EVP_CIPH_CBC_MODE)
652 dat->stream.cbc = (cbc128_f) aes128_t4_cbc_encrypt;
653 else if (mode == EVP_CIPH_CTR_MODE)
654 dat->stream.ctr = (ctr128_f) aes128_t4_ctr32_encrypt;
656 dat->stream.cbc = NULL;
659 if (mode == EVP_CIPH_CBC_MODE)
660 dat->stream.cbc = (cbc128_f) aes192_t4_cbc_encrypt;
661 else if (mode == EVP_CIPH_CTR_MODE)
662 dat->stream.ctr = (ctr128_f) aes192_t4_ctr32_encrypt;
664 dat->stream.cbc = NULL;
667 if (mode == EVP_CIPH_CBC_MODE)
668 dat->stream.cbc = (cbc128_f) aes256_t4_cbc_encrypt;
669 else if (mode == EVP_CIPH_CTR_MODE)
670 dat->stream.ctr = (ctr128_f) aes256_t4_ctr32_encrypt;
672 dat->stream.cbc = NULL;
680 EVPerr(EVP_F_AES_T4_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
687 # define aes_t4_cbc_cipher aes_cbc_cipher
688 static int aes_t4_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
689 const unsigned char *in, size_t len);
691 # define aes_t4_ecb_cipher aes_ecb_cipher
692 static int aes_t4_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
693 const unsigned char *in, size_t len);
695 # define aes_t4_ofb_cipher aes_ofb_cipher
696 static int aes_t4_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
697 const unsigned char *in, size_t len);
699 # define aes_t4_cfb_cipher aes_cfb_cipher
700 static int aes_t4_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
701 const unsigned char *in, size_t len);
703 # define aes_t4_cfb8_cipher aes_cfb8_cipher
704 static int aes_t4_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
705 const unsigned char *in, size_t len);
707 # define aes_t4_cfb1_cipher aes_cfb1_cipher
708 static int aes_t4_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
709 const unsigned char *in, size_t len);
711 # define aes_t4_ctr_cipher aes_ctr_cipher
712 static int aes_t4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
713 const unsigned char *in, size_t len);
715 static int aes_t4_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
716 const unsigned char *iv, int enc)
718 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
722 int bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
723 aes_t4_set_encrypt_key(key, bits, &gctx->ks.ks);
724 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
725 (block128_f) aes_t4_encrypt);
728 gctx->ctr = (ctr128_f) aes128_t4_ctr32_encrypt;
731 gctx->ctr = (ctr128_f) aes192_t4_ctr32_encrypt;
734 gctx->ctr = (ctr128_f) aes256_t4_ctr32_encrypt;
740 * If we have an iv can set it directly, otherwise use saved IV.
742 if (iv == NULL && gctx->iv_set)
745 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
750 /* If key set use IV, otherwise copy */
752 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
754 memcpy(gctx->iv, iv, gctx->ivlen);
761 # define aes_t4_gcm_cipher aes_gcm_cipher
762 static int aes_t4_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
763 const unsigned char *in, size_t len);
765 static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
766 const unsigned char *iv, int enc)
768 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
773 int bits = EVP_CIPHER_CTX_key_length(ctx) * 4;
775 /* key_len is two AES keys */
777 aes_t4_set_encrypt_key(key, bits, &xctx->ks1.ks);
778 xctx->xts.block1 = (block128_f) aes_t4_encrypt;
781 xctx->stream = aes128_t4_xts_encrypt;
784 xctx->stream = aes256_t4_xts_encrypt;
790 aes_t4_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
792 xctx->xts.block1 = (block128_f) aes_t4_decrypt;
795 xctx->stream = aes128_t4_xts_decrypt;
798 xctx->stream = aes256_t4_xts_decrypt;
805 aes_t4_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
806 EVP_CIPHER_CTX_key_length(ctx) * 4,
808 xctx->xts.block2 = (block128_f) aes_t4_encrypt;
810 xctx->xts.key1 = &xctx->ks1;
814 xctx->xts.key2 = &xctx->ks2;
815 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16);
821 # define aes_t4_xts_cipher aes_xts_cipher
822 static int aes_t4_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
823 const unsigned char *in, size_t len);
825 static int aes_t4_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
826 const unsigned char *iv, int enc)
828 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
832 int bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
833 aes_t4_set_encrypt_key(key, bits, &cctx->ks.ks);
834 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
835 &cctx->ks, (block128_f) aes_t4_encrypt);
840 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
846 # define aes_t4_ccm_cipher aes_ccm_cipher
847 static int aes_t4_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
848 const unsigned char *in, size_t len);
850 # ifndef OPENSSL_NO_OCB
851 static int aes_t4_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
852 const unsigned char *iv, int enc)
854 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
860 * We set both the encrypt and decrypt key here because decrypt
861 * needs both. We could possibly optimise to remove setting the
862 * decrypt for an encryption operation.
864 aes_t4_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
866 aes_t4_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
868 if (!CRYPTO_ocb128_init(&octx->ocb,
869 &octx->ksenc.ks, &octx->ksdec.ks,
870 (block128_f) aes_t4_encrypt,
871 (block128_f) aes_t4_decrypt,
878 * If we have an iv we can set it directly, otherwise use saved IV.
880 if (iv == NULL && octx->iv_set)
883 if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen)
890 /* If key set use IV, otherwise copy */
892 CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen);
894 memcpy(octx->iv, iv, octx->ivlen);
900 # define aes_t4_ocb_cipher aes_ocb_cipher
901 static int aes_t4_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
902 const unsigned char *in, size_t len);
903 # endif /* OPENSSL_NO_OCB */
905 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
906 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
907 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
908 flags|EVP_CIPH_##MODE##_MODE, \
910 aes_t4_##mode##_cipher, \
912 sizeof(EVP_AES_KEY), \
913 NULL,NULL,NULL,NULL }; \
914 static const EVP_CIPHER aes_##keylen##_##mode = { \
915 nid##_##keylen##_##nmode,blocksize, \
917 flags|EVP_CIPH_##MODE##_MODE, \
919 aes_##mode##_cipher, \
921 sizeof(EVP_AES_KEY), \
922 NULL,NULL,NULL,NULL }; \
923 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
924 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
926 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
927 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
928 nid##_##keylen##_##mode,blocksize, \
929 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
930 flags|EVP_CIPH_##MODE##_MODE, \
931 aes_t4_##mode##_init_key, \
932 aes_t4_##mode##_cipher, \
933 aes_##mode##_cleanup, \
934 sizeof(EVP_AES_##MODE##_CTX), \
935 NULL,NULL,aes_##mode##_ctrl,NULL }; \
936 static const EVP_CIPHER aes_##keylen##_##mode = { \
937 nid##_##keylen##_##mode,blocksize, \
938 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
939 flags|EVP_CIPH_##MODE##_MODE, \
940 aes_##mode##_init_key, \
941 aes_##mode##_cipher, \
942 aes_##mode##_cleanup, \
943 sizeof(EVP_AES_##MODE##_CTX), \
944 NULL,NULL,aes_##mode##_ctrl,NULL }; \
945 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
946 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
950 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
951 static const EVP_CIPHER aes_##keylen##_##mode = { \
952 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
953 flags|EVP_CIPH_##MODE##_MODE, \
955 aes_##mode##_cipher, \
957 sizeof(EVP_AES_KEY), \
958 NULL,NULL,NULL,NULL }; \
959 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
960 { return &aes_##keylen##_##mode; }
962 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
963 static const EVP_CIPHER aes_##keylen##_##mode = { \
964 nid##_##keylen##_##mode,blocksize, \
965 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
966 flags|EVP_CIPH_##MODE##_MODE, \
967 aes_##mode##_init_key, \
968 aes_##mode##_cipher, \
969 aes_##mode##_cleanup, \
970 sizeof(EVP_AES_##MODE##_CTX), \
971 NULL,NULL,aes_##mode##_ctrl,NULL }; \
972 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
973 { return &aes_##keylen##_##mode; }
977 #if defined(OPENSSL_CPUID_OBJ) && (defined(__arm__) || defined(__arm) || defined(__aarch64__))
978 # include "arm_arch.h"
979 # if __ARM_MAX_ARCH__>=7
980 # if defined(BSAES_ASM)
981 # define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
983 # if defined(VPAES_ASM)
984 # define VPAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
986 # define HWAES_CAPABLE (OPENSSL_armcap_P & ARMV8_AES)
987 # define HWAES_set_encrypt_key aes_v8_set_encrypt_key
988 # define HWAES_set_decrypt_key aes_v8_set_decrypt_key
989 # define HWAES_encrypt aes_v8_encrypt
990 # define HWAES_decrypt aes_v8_decrypt
991 # define HWAES_cbc_encrypt aes_v8_cbc_encrypt
992 # define HWAES_ctr32_encrypt_blocks aes_v8_ctr32_encrypt_blocks
996 #if defined(HWAES_CAPABLE)
997 int HWAES_set_encrypt_key(const unsigned char *userKey, const int bits,
999 int HWAES_set_decrypt_key(const unsigned char *userKey, const int bits,
1001 void HWAES_encrypt(const unsigned char *in, unsigned char *out,
1002 const AES_KEY *key);
1003 void HWAES_decrypt(const unsigned char *in, unsigned char *out,
1004 const AES_KEY *key);
1005 void HWAES_cbc_encrypt(const unsigned char *in, unsigned char *out,
1006 size_t length, const AES_KEY *key,
1007 unsigned char *ivec, const int enc);
1008 void HWAES_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
1009 size_t len, const AES_KEY *key,
1010 const unsigned char ivec[16]);
1013 #define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
1014 BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
1015 BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
1016 BLOCK_CIPHER_generic(nid,keylen,1,16,ofb128,ofb,OFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
1017 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb128,cfb,CFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
1018 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb1,cfb1,CFB,flags) \
1019 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags) \
1020 BLOCK_CIPHER_generic(nid,keylen,1,16,ctr,ctr,CTR,flags)
1022 static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1023 const unsigned char *iv, int enc)
1026 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1028 mode = EVP_CIPHER_CTX_mode(ctx);
1029 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
1031 #ifdef HWAES_CAPABLE
1032 if (HWAES_CAPABLE) {
1033 ret = HWAES_set_decrypt_key(key,
1034 EVP_CIPHER_CTX_key_length(ctx) * 8,
1036 dat->block = (block128_f) HWAES_decrypt;
1037 dat->stream.cbc = NULL;
1038 # ifdef HWAES_cbc_encrypt
1039 if (mode == EVP_CIPH_CBC_MODE)
1040 dat->stream.cbc = (cbc128_f) HWAES_cbc_encrypt;
1044 #ifdef BSAES_CAPABLE
1045 if (BSAES_CAPABLE && mode == EVP_CIPH_CBC_MODE) {
1046 ret = AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1048 dat->block = (block128_f) AES_decrypt;
1049 dat->stream.cbc = (cbc128_f) bsaes_cbc_encrypt;
1052 #ifdef VPAES_CAPABLE
1053 if (VPAES_CAPABLE) {
1054 ret = vpaes_set_decrypt_key(key,
1055 EVP_CIPHER_CTX_key_length(ctx) * 8,
1057 dat->block = (block128_f) vpaes_decrypt;
1058 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
1059 (cbc128_f) vpaes_cbc_encrypt : NULL;
1063 ret = AES_set_decrypt_key(key,
1064 EVP_CIPHER_CTX_key_length(ctx) * 8,
1066 dat->block = (block128_f) AES_decrypt;
1067 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
1068 (cbc128_f) AES_cbc_encrypt : NULL;
1071 #ifdef HWAES_CAPABLE
1072 if (HWAES_CAPABLE) {
1073 ret = HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1075 dat->block = (block128_f) HWAES_encrypt;
1076 dat->stream.cbc = NULL;
1077 # ifdef HWAES_cbc_encrypt
1078 if (mode == EVP_CIPH_CBC_MODE)
1079 dat->stream.cbc = (cbc128_f) HWAES_cbc_encrypt;
1082 # ifdef HWAES_ctr32_encrypt_blocks
1083 if (mode == EVP_CIPH_CTR_MODE)
1084 dat->stream.ctr = (ctr128_f) HWAES_ctr32_encrypt_blocks;
1087 (void)0; /* terminate potentially open 'else' */
1090 #ifdef BSAES_CAPABLE
1091 if (BSAES_CAPABLE && mode == EVP_CIPH_CTR_MODE) {
1092 ret = AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1094 dat->block = (block128_f) AES_encrypt;
1095 dat->stream.ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks;
1098 #ifdef VPAES_CAPABLE
1099 if (VPAES_CAPABLE) {
1100 ret = vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1102 dat->block = (block128_f) vpaes_encrypt;
1103 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
1104 (cbc128_f) vpaes_cbc_encrypt : NULL;
1108 ret = AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1110 dat->block = (block128_f) AES_encrypt;
1111 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
1112 (cbc128_f) AES_cbc_encrypt : NULL;
1114 if (mode == EVP_CIPH_CTR_MODE)
1115 dat->stream.ctr = (ctr128_f) AES_ctr32_encrypt;
1120 EVPerr(EVP_F_AES_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
1127 static int aes_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1128 const unsigned char *in, size_t len)
1130 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1132 if (dat->stream.cbc)
1133 (*dat->stream.cbc) (in, out, len, &dat->ks,
1134 EVP_CIPHER_CTX_iv_noconst(ctx),
1135 EVP_CIPHER_CTX_encrypting(ctx));
1136 else if (EVP_CIPHER_CTX_encrypting(ctx))
1137 CRYPTO_cbc128_encrypt(in, out, len, &dat->ks,
1138 EVP_CIPHER_CTX_iv_noconst(ctx), dat->block);
1140 CRYPTO_cbc128_decrypt(in, out, len, &dat->ks,
1141 EVP_CIPHER_CTX_iv_noconst(ctx), dat->block);
1146 static int aes_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1147 const unsigned char *in, size_t len)
1149 size_t bl = EVP_CIPHER_CTX_block_size(ctx);
1151 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1156 for (i = 0, len -= bl; i <= len; i += bl)
1157 (*dat->block) (in + i, out + i, &dat->ks);
1162 static int aes_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1163 const unsigned char *in, size_t len)
1165 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1167 int num = EVP_CIPHER_CTX_num(ctx);
1168 CRYPTO_ofb128_encrypt(in, out, len, &dat->ks,
1169 EVP_CIPHER_CTX_iv_noconst(ctx), &num, dat->block);
1170 EVP_CIPHER_CTX_set_num(ctx, num);
1174 static int aes_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1175 const unsigned char *in, size_t len)
1177 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1179 int num = EVP_CIPHER_CTX_num(ctx);
1180 CRYPTO_cfb128_encrypt(in, out, len, &dat->ks,
1181 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1182 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1183 EVP_CIPHER_CTX_set_num(ctx, num);
1187 static int aes_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1188 const unsigned char *in, size_t len)
1190 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1192 int num = EVP_CIPHER_CTX_num(ctx);
1193 CRYPTO_cfb128_8_encrypt(in, out, len, &dat->ks,
1194 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1195 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1196 EVP_CIPHER_CTX_set_num(ctx, num);
1200 static int aes_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1201 const unsigned char *in, size_t len)
1203 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1205 if (EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS)) {
1206 int num = EVP_CIPHER_CTX_num(ctx);
1207 CRYPTO_cfb128_1_encrypt(in, out, len, &dat->ks,
1208 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1209 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1210 EVP_CIPHER_CTX_set_num(ctx, num);
1214 while (len >= MAXBITCHUNK) {
1215 int num = EVP_CIPHER_CTX_num(ctx);
1216 CRYPTO_cfb128_1_encrypt(in, out, MAXBITCHUNK * 8, &dat->ks,
1217 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1218 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1219 EVP_CIPHER_CTX_set_num(ctx, num);
1223 int num = EVP_CIPHER_CTX_num(ctx);
1224 CRYPTO_cfb128_1_encrypt(in, out, len * 8, &dat->ks,
1225 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
1226 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
1227 EVP_CIPHER_CTX_set_num(ctx, num);
1233 static int aes_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1234 const unsigned char *in, size_t len)
1236 unsigned int num = EVP_CIPHER_CTX_num(ctx);
1237 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
1239 if (dat->stream.ctr)
1240 CRYPTO_ctr128_encrypt_ctr32(in, out, len, &dat->ks,
1241 EVP_CIPHER_CTX_iv_noconst(ctx),
1242 EVP_CIPHER_CTX_buf_noconst(ctx),
1243 &num, dat->stream.ctr);
1245 CRYPTO_ctr128_encrypt(in, out, len, &dat->ks,
1246 EVP_CIPHER_CTX_iv_noconst(ctx),
1247 EVP_CIPHER_CTX_buf_noconst(ctx), &num,
1249 EVP_CIPHER_CTX_set_num(ctx, num);
1253 BLOCK_CIPHER_generic_pack(NID_aes, 128, 0)
1254 BLOCK_CIPHER_generic_pack(NID_aes, 192, 0)
1255 BLOCK_CIPHER_generic_pack(NID_aes, 256, 0)
1257 static int aes_gcm_cleanup(EVP_CIPHER_CTX *c)
1259 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,c);
1260 OPENSSL_cleanse(&gctx->gcm, sizeof(gctx->gcm));
1261 if (gctx->iv != EVP_CIPHER_CTX_iv_noconst(c))
1262 OPENSSL_free(gctx->iv);
1266 /* increment counter (64-bit int) by 1 */
1267 static void ctr64_inc(unsigned char *counter)
1282 static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1284 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,c);
1289 gctx->ivlen = EVP_CIPHER_CTX_iv_length(c);
1290 gctx->iv = EVP_CIPHER_CTX_iv_noconst(c);
1293 gctx->tls_aad_len = -1;
1296 case EVP_CTRL_AEAD_SET_IVLEN:
1299 /* Allocate memory for IV if needed */
1300 if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen)) {
1301 if (gctx->iv != EVP_CIPHER_CTX_iv_noconst(c))
1302 OPENSSL_free(gctx->iv);
1303 gctx->iv = OPENSSL_malloc(arg);
1304 if (gctx->iv == NULL)
1310 case EVP_CTRL_AEAD_SET_TAG:
1311 if (arg <= 0 || arg > 16 || EVP_CIPHER_CTX_encrypting(c))
1313 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
1317 case EVP_CTRL_AEAD_GET_TAG:
1318 if (arg <= 0 || arg > 16 || !EVP_CIPHER_CTX_encrypting(c)
1319 || gctx->taglen < 0)
1321 memcpy(ptr, EVP_CIPHER_CTX_buf_noconst(c), arg);
1324 case EVP_CTRL_GCM_SET_IV_FIXED:
1325 /* Special case: -1 length restores whole IV */
1327 memcpy(gctx->iv, ptr, gctx->ivlen);
1332 * Fixed field must be at least 4 bytes and invocation field at least
1335 if ((arg < 4) || (gctx->ivlen - arg) < 8)
1338 memcpy(gctx->iv, ptr, arg);
1339 if (EVP_CIPHER_CTX_encrypting(c)
1340 && RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
1345 case EVP_CTRL_GCM_IV_GEN:
1346 if (gctx->iv_gen == 0 || gctx->key_set == 0)
1348 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1349 if (arg <= 0 || arg > gctx->ivlen)
1351 memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
1353 * Invocation field will be at least 8 bytes in size and so no need
1354 * to check wrap around or increment more than last 8 bytes.
1356 ctr64_inc(gctx->iv + gctx->ivlen - 8);
1360 case EVP_CTRL_GCM_SET_IV_INV:
1361 if (gctx->iv_gen == 0 || gctx->key_set == 0
1362 || EVP_CIPHER_CTX_encrypting(c))
1364 memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
1365 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
1369 case EVP_CTRL_AEAD_TLS1_AAD:
1370 /* Save the AAD for later use */
1371 if (arg != EVP_AEAD_TLS1_AAD_LEN)
1373 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
1374 gctx->tls_aad_len = arg;
1377 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8
1378 | EVP_CIPHER_CTX_buf_noconst(c)[arg - 1];
1379 /* Correct length for explicit IV */
1380 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
1381 /* If decrypting correct for tag too */
1382 if (!EVP_CIPHER_CTX_encrypting(c))
1383 len -= EVP_GCM_TLS_TAG_LEN;
1384 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8;
1385 EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff;
1387 /* Extra padding: tag appended to record */
1388 return EVP_GCM_TLS_TAG_LEN;
1392 EVP_CIPHER_CTX *out = ptr;
1393 EVP_AES_GCM_CTX *gctx_out = EVP_C_DATA(EVP_AES_GCM_CTX,out);
1394 if (gctx->gcm.key) {
1395 if (gctx->gcm.key != &gctx->ks)
1397 gctx_out->gcm.key = &gctx_out->ks;
1399 if (gctx->iv == EVP_CIPHER_CTX_iv_noconst(c))
1400 gctx_out->iv = EVP_CIPHER_CTX_iv_noconst(out);
1402 gctx_out->iv = OPENSSL_malloc(gctx->ivlen);
1403 if (gctx_out->iv == NULL)
1405 memcpy(gctx_out->iv, gctx->iv, gctx->ivlen);
1416 static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1417 const unsigned char *iv, int enc)
1419 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
1424 #ifdef HWAES_CAPABLE
1425 if (HWAES_CAPABLE) {
1426 HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1428 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1429 (block128_f) HWAES_encrypt);
1430 # ifdef HWAES_ctr32_encrypt_blocks
1431 gctx->ctr = (ctr128_f) HWAES_ctr32_encrypt_blocks;
1438 #ifdef BSAES_CAPABLE
1439 if (BSAES_CAPABLE) {
1440 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1442 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1443 (block128_f) AES_encrypt);
1444 gctx->ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks;
1448 #ifdef VPAES_CAPABLE
1449 if (VPAES_CAPABLE) {
1450 vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1452 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1453 (block128_f) vpaes_encrypt);
1458 (void)0; /* terminate potentially open 'else' */
1460 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
1462 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
1463 (block128_f) AES_encrypt);
1465 gctx->ctr = (ctr128_f) AES_ctr32_encrypt;
1472 * If we have an iv can set it directly, otherwise use saved IV.
1474 if (iv == NULL && gctx->iv_set)
1477 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1482 /* If key set use IV, otherwise copy */
1484 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
1486 memcpy(gctx->iv, iv, gctx->ivlen);
1494 * Handle TLS GCM packet format. This consists of the last portion of the IV
1495 * followed by the payload and finally the tag. On encrypt generate IV,
1496 * encrypt payload and write the tag. On verify retrieve IV, decrypt payload
1500 static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1501 const unsigned char *in, size_t len)
1503 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
1505 /* Encrypt/decrypt must be performed in place */
1507 || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN))
1510 * Set IV from start of buffer or generate IV and write to start of
1513 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CIPHER_CTX_encrypting(ctx) ?
1514 EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
1515 EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
1518 if (CRYPTO_gcm128_aad(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx),
1521 /* Fix buffer and length to point to payload */
1522 in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1523 out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1524 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1525 if (EVP_CIPHER_CTX_encrypting(ctx)) {
1526 /* Encrypt payload */
1529 #if defined(AES_GCM_ASM)
1530 if (len >= 32 && AES_GCM_ASM(gctx)) {
1531 if (CRYPTO_gcm128_encrypt(&gctx->gcm, NULL, NULL, 0))
1534 bulk = AES_gcm_encrypt(in, out, len,
1536 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1537 gctx->gcm.len.u[1] += bulk;
1540 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1543 len - bulk, gctx->ctr))
1547 #if defined(AES_GCM_ASM2)
1548 if (len >= 32 && AES_GCM_ASM2(gctx)) {
1549 if (CRYPTO_gcm128_encrypt(&gctx->gcm, NULL, NULL, 0))
1552 bulk = AES_gcm_encrypt(in, out, len,
1554 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1555 gctx->gcm.len.u[1] += bulk;
1558 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1559 in + bulk, out + bulk, len - bulk))
1563 /* Finally write tag */
1564 CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
1565 rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1570 #if defined(AES_GCM_ASM)
1571 if (len >= 16 && AES_GCM_ASM(gctx)) {
1572 if (CRYPTO_gcm128_decrypt(&gctx->gcm, NULL, NULL, 0))
1575 bulk = AES_gcm_decrypt(in, out, len,
1577 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1578 gctx->gcm.len.u[1] += bulk;
1581 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1584 len - bulk, gctx->ctr))
1588 #if defined(AES_GCM_ASM2)
1589 if (len >= 16 && AES_GCM_ASM2(gctx)) {
1590 if (CRYPTO_gcm128_decrypt(&gctx->gcm, NULL, NULL, 0))
1593 bulk = AES_gcm_decrypt(in, out, len,
1595 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1596 gctx->gcm.len.u[1] += bulk;
1599 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1600 in + bulk, out + bulk, len - bulk))
1604 CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx),
1605 EVP_GCM_TLS_TAG_LEN);
1606 /* If tag mismatch wipe buffer */
1607 if (CRYPTO_memcmp(EVP_CIPHER_CTX_buf_noconst(ctx), in + len,
1608 EVP_GCM_TLS_TAG_LEN)) {
1609 OPENSSL_cleanse(out, len);
1617 gctx->tls_aad_len = -1;
1621 static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1622 const unsigned char *in, size_t len)
1624 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
1625 /* If not set up, return error */
1629 if (gctx->tls_aad_len >= 0)
1630 return aes_gcm_tls_cipher(ctx, out, in, len);
1636 if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
1638 } else if (EVP_CIPHER_CTX_encrypting(ctx)) {
1641 #if defined(AES_GCM_ASM)
1642 if (len >= 32 && AES_GCM_ASM(gctx)) {
1643 size_t res = (16 - gctx->gcm.mres) % 16;
1645 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, res))
1648 bulk = AES_gcm_encrypt(in + res,
1649 out + res, len - res,
1650 gctx->gcm.key, gctx->gcm.Yi.c,
1652 gctx->gcm.len.u[1] += bulk;
1656 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
1659 len - bulk, gctx->ctr))
1663 #if defined(AES_GCM_ASM2)
1664 if (len >= 32 && AES_GCM_ASM2(gctx)) {
1665 size_t res = (16 - gctx->gcm.mres) % 16;
1667 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, res))
1670 bulk = AES_gcm_encrypt(in + res,
1671 out + res, len - res,
1672 gctx->gcm.key, gctx->gcm.Yi.c,
1674 gctx->gcm.len.u[1] += bulk;
1678 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
1679 in + bulk, out + bulk, len - bulk))
1685 #if defined(AES_GCM_ASM)
1686 if (len >= 16 && AES_GCM_ASM(gctx)) {
1687 size_t res = (16 - gctx->gcm.mres) % 16;
1689 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, res))
1692 bulk = AES_gcm_decrypt(in + res,
1693 out + res, len - res,
1695 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1696 gctx->gcm.len.u[1] += bulk;
1700 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
1703 len - bulk, gctx->ctr))
1707 #if defined(AES_GCM_ASM2)
1708 if (len >= 16 && AES_GCM_ASM2(gctx)) {
1709 size_t res = (16 - gctx->gcm.mres) % 16;
1711 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, res))
1714 bulk = AES_gcm_decrypt(in + res,
1715 out + res, len - res,
1717 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
1718 gctx->gcm.len.u[1] += bulk;
1722 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
1723 in + bulk, out + bulk, len - bulk))
1729 if (!EVP_CIPHER_CTX_encrypting(ctx)) {
1730 if (gctx->taglen < 0)
1732 if (CRYPTO_gcm128_finish(&gctx->gcm,
1733 EVP_CIPHER_CTX_buf_noconst(ctx),
1739 CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx), 16);
1741 /* Don't reuse the IV */
1748 #define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
1749 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
1750 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
1751 | EVP_CIPH_CUSTOM_COPY)
1753 BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, gcm, GCM,
1754 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
1755 BLOCK_CIPHER_custom(NID_aes, 192, 1, 12, gcm, GCM,
1756 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
1757 BLOCK_CIPHER_custom(NID_aes, 256, 1, 12, gcm, GCM,
1758 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
1760 static int aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1762 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,c);
1763 if (type == EVP_CTRL_COPY) {
1764 EVP_CIPHER_CTX *out = ptr;
1765 EVP_AES_XTS_CTX *xctx_out = EVP_C_DATA(EVP_AES_XTS_CTX,out);
1766 if (xctx->xts.key1) {
1767 if (xctx->xts.key1 != &xctx->ks1)
1769 xctx_out->xts.key1 = &xctx_out->ks1;
1771 if (xctx->xts.key2) {
1772 if (xctx->xts.key2 != &xctx->ks2)
1774 xctx_out->xts.key2 = &xctx_out->ks2;
1777 } else if (type != EVP_CTRL_INIT)
1779 /* key1 and key2 are used as an indicator both key and IV are set */
1780 xctx->xts.key1 = NULL;
1781 xctx->xts.key2 = NULL;
1785 static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1786 const unsigned char *iv, int enc)
1788 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
1795 xctx->stream = enc ? AES_xts_encrypt : AES_xts_decrypt;
1797 xctx->stream = NULL;
1799 /* key_len is two AES keys */
1800 #ifdef HWAES_CAPABLE
1801 if (HWAES_CAPABLE) {
1803 HWAES_set_encrypt_key(key,
1804 EVP_CIPHER_CTX_key_length(ctx) * 4,
1806 xctx->xts.block1 = (block128_f) HWAES_encrypt;
1808 HWAES_set_decrypt_key(key,
1809 EVP_CIPHER_CTX_key_length(ctx) * 4,
1811 xctx->xts.block1 = (block128_f) HWAES_decrypt;
1814 HWAES_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
1815 EVP_CIPHER_CTX_key_length(ctx) * 4,
1817 xctx->xts.block2 = (block128_f) HWAES_encrypt;
1819 xctx->xts.key1 = &xctx->ks1;
1823 #ifdef BSAES_CAPABLE
1825 xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt;
1828 #ifdef VPAES_CAPABLE
1829 if (VPAES_CAPABLE) {
1831 vpaes_set_encrypt_key(key,
1832 EVP_CIPHER_CTX_key_length(ctx) * 4,
1834 xctx->xts.block1 = (block128_f) vpaes_encrypt;
1836 vpaes_set_decrypt_key(key,
1837 EVP_CIPHER_CTX_key_length(ctx) * 4,
1839 xctx->xts.block1 = (block128_f) vpaes_decrypt;
1842 vpaes_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
1843 EVP_CIPHER_CTX_key_length(ctx) * 4,
1845 xctx->xts.block2 = (block128_f) vpaes_encrypt;
1847 xctx->xts.key1 = &xctx->ks1;
1851 (void)0; /* terminate potentially open 'else' */
1854 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
1856 xctx->xts.block1 = (block128_f) AES_encrypt;
1858 AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
1860 xctx->xts.block1 = (block128_f) AES_decrypt;
1863 AES_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
1864 EVP_CIPHER_CTX_key_length(ctx) * 4,
1866 xctx->xts.block2 = (block128_f) AES_encrypt;
1868 xctx->xts.key1 = &xctx->ks1;
1872 xctx->xts.key2 = &xctx->ks2;
1873 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16);
1879 static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1880 const unsigned char *in, size_t len)
1882 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
1883 if (!xctx->xts.key1 || !xctx->xts.key2)
1885 if (!out || !in || len < AES_BLOCK_SIZE)
1888 (*xctx->stream) (in, out, len,
1889 xctx->xts.key1, xctx->xts.key2,
1890 EVP_CIPHER_CTX_iv_noconst(ctx));
1891 else if (CRYPTO_xts128_encrypt(&xctx->xts, EVP_CIPHER_CTX_iv_noconst(ctx),
1893 EVP_CIPHER_CTX_encrypting(ctx)))
1898 #define aes_xts_cleanup NULL
1900 #define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \
1901 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
1902 | EVP_CIPH_CUSTOM_COPY)
1904 BLOCK_CIPHER_custom(NID_aes, 128, 1, 16, xts, XTS, XTS_FLAGS)
1905 BLOCK_CIPHER_custom(NID_aes, 256, 1, 16, xts, XTS, XTS_FLAGS)
1907 static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1909 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,c);
1918 cctx->tls_aad_len = -1;
1921 case EVP_CTRL_AEAD_TLS1_AAD:
1922 /* Save the AAD for later use */
1923 if (arg != EVP_AEAD_TLS1_AAD_LEN)
1925 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
1926 cctx->tls_aad_len = arg;
1929 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8
1930 | EVP_CIPHER_CTX_buf_noconst(c)[arg - 1];
1931 /* Correct length for explicit IV */
1932 len -= EVP_CCM_TLS_EXPLICIT_IV_LEN;
1933 /* If decrypting correct for tag too */
1934 if (!EVP_CIPHER_CTX_encrypting(c))
1936 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8;
1937 EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff;
1939 /* Extra padding: tag appended to record */
1942 case EVP_CTRL_CCM_SET_IV_FIXED:
1943 /* Sanity check length */
1944 if (arg != EVP_CCM_TLS_FIXED_IV_LEN)
1946 /* Just copy to first part of IV */
1947 memcpy(EVP_CIPHER_CTX_iv_noconst(c), ptr, arg);
1950 case EVP_CTRL_AEAD_SET_IVLEN:
1952 case EVP_CTRL_CCM_SET_L:
1953 if (arg < 2 || arg > 8)
1958 case EVP_CTRL_AEAD_SET_TAG:
1959 if ((arg & 1) || arg < 4 || arg > 16)
1961 if (EVP_CIPHER_CTX_encrypting(c) && ptr)
1965 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
1970 case EVP_CTRL_AEAD_GET_TAG:
1971 if (!EVP_CIPHER_CTX_encrypting(c) || !cctx->tag_set)
1973 if (!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
1982 EVP_CIPHER_CTX *out = ptr;
1983 EVP_AES_CCM_CTX *cctx_out = EVP_C_DATA(EVP_AES_CCM_CTX,out);
1984 if (cctx->ccm.key) {
1985 if (cctx->ccm.key != &cctx->ks)
1987 cctx_out->ccm.key = &cctx_out->ks;
1998 static int aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1999 const unsigned char *iv, int enc)
2001 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
2006 #ifdef HWAES_CAPABLE
2007 if (HWAES_CAPABLE) {
2008 HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2011 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
2012 &cctx->ks, (block128_f) HWAES_encrypt);
2018 #ifdef VPAES_CAPABLE
2019 if (VPAES_CAPABLE) {
2020 vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2022 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
2023 &cctx->ks, (block128_f) vpaes_encrypt);
2029 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2031 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
2032 &cctx->ks, (block128_f) AES_encrypt);
2037 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
2043 static int aes_ccm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2044 const unsigned char *in, size_t len)
2046 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
2047 CCM128_CONTEXT *ccm = &cctx->ccm;
2048 /* Encrypt/decrypt must be performed in place */
2049 if (out != in || len < (EVP_CCM_TLS_EXPLICIT_IV_LEN + (size_t)cctx->M))
2051 /* If encrypting set explicit IV from sequence number (start of AAD) */
2052 if (EVP_CIPHER_CTX_encrypting(ctx))
2053 memcpy(out, EVP_CIPHER_CTX_buf_noconst(ctx),
2054 EVP_CCM_TLS_EXPLICIT_IV_LEN);
2055 /* Get rest of IV from explicit IV */
2056 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx) + EVP_CCM_TLS_FIXED_IV_LEN, in,
2057 EVP_CCM_TLS_EXPLICIT_IV_LEN);
2058 /* Correct length value */
2059 len -= EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->M;
2060 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx), 15 - cctx->L,
2064 CRYPTO_ccm128_aad(ccm, EVP_CIPHER_CTX_buf_noconst(ctx), cctx->tls_aad_len);
2065 /* Fix buffer to point to payload */
2066 in += EVP_CCM_TLS_EXPLICIT_IV_LEN;
2067 out += EVP_CCM_TLS_EXPLICIT_IV_LEN;
2068 if (EVP_CIPHER_CTX_encrypting(ctx)) {
2069 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
2071 CRYPTO_ccm128_encrypt(ccm, in, out, len))
2073 if (!CRYPTO_ccm128_tag(ccm, out + len, cctx->M))
2075 return len + EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->M;
2077 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
2079 !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
2080 unsigned char tag[16];
2081 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
2082 if (!CRYPTO_memcmp(tag, in + len, cctx->M))
2086 OPENSSL_cleanse(out, len);
2091 static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2092 const unsigned char *in, size_t len)
2094 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
2095 CCM128_CONTEXT *ccm = &cctx->ccm;
2096 /* If not set up, return error */
2100 if (cctx->tls_aad_len >= 0)
2101 return aes_ccm_tls_cipher(ctx, out, in, len);
2106 if (!EVP_CIPHER_CTX_encrypting(ctx) && !cctx->tag_set)
2110 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx),
2116 /* If have AAD need message length */
2117 if (!cctx->len_set && len)
2119 CRYPTO_ccm128_aad(ccm, in, len);
2122 /* EVP_*Final() doesn't return any data */
2125 /* If not set length yet do it */
2126 if (!cctx->len_set) {
2127 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx),
2132 if (EVP_CIPHER_CTX_encrypting(ctx)) {
2133 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
2135 CRYPTO_ccm128_encrypt(ccm, in, out, len))
2141 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
2143 !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
2144 unsigned char tag[16];
2145 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
2146 if (!CRYPTO_memcmp(tag, EVP_CIPHER_CTX_buf_noconst(ctx),
2152 OPENSSL_cleanse(out, len);
2160 #define aes_ccm_cleanup NULL
2162 BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, ccm, CCM,
2163 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2164 BLOCK_CIPHER_custom(NID_aes, 192, 1, 12, ccm, CCM,
2165 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2166 BLOCK_CIPHER_custom(NID_aes, 256, 1, 12, ccm, CCM,
2167 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2174 /* Indicates if IV has been set */
2178 static int aes_wrap_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
2179 const unsigned char *iv, int enc)
2181 EVP_AES_WRAP_CTX *wctx = EVP_C_DATA(EVP_AES_WRAP_CTX,ctx);
2185 if (EVP_CIPHER_CTX_encrypting(ctx))
2186 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2189 AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2195 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, EVP_CIPHER_CTX_iv_length(ctx));
2196 wctx->iv = EVP_CIPHER_CTX_iv_noconst(ctx);
2201 static int aes_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2202 const unsigned char *in, size_t inlen)
2204 EVP_AES_WRAP_CTX *wctx = EVP_C_DATA(EVP_AES_WRAP_CTX,ctx);
2206 /* AES wrap with padding has IV length of 4, without padding 8 */
2207 int pad = EVP_CIPHER_CTX_iv_length(ctx) == 4;
2208 /* No final operation so always return zero length */
2211 /* Input length must always be non-zero */
2214 /* If decrypting need at least 16 bytes and multiple of 8 */
2215 if (!EVP_CIPHER_CTX_encrypting(ctx) && (inlen < 16 || inlen & 0x7))
2217 /* If not padding input must be multiple of 8 */
2218 if (!pad && inlen & 0x7)
2221 if (EVP_CIPHER_CTX_encrypting(ctx)) {
2222 /* If padding round up to multiple of 8 */
2224 inlen = (inlen + 7) / 8 * 8;
2229 * If not padding output will be exactly 8 bytes smaller than
2230 * input. If padding it will be at least 8 bytes smaller but we
2231 * don't know how much.
2237 if (EVP_CIPHER_CTX_encrypting(ctx))
2238 rv = CRYPTO_128_wrap_pad(&wctx->ks.ks, wctx->iv,
2240 (block128_f) AES_encrypt);
2242 rv = CRYPTO_128_unwrap_pad(&wctx->ks.ks, wctx->iv,
2244 (block128_f) AES_decrypt);
2246 if (EVP_CIPHER_CTX_encrypting(ctx))
2247 rv = CRYPTO_128_wrap(&wctx->ks.ks, wctx->iv,
2248 out, in, inlen, (block128_f) AES_encrypt);
2250 rv = CRYPTO_128_unwrap(&wctx->ks.ks, wctx->iv,
2251 out, in, inlen, (block128_f) AES_decrypt);
2253 return rv ? (int)rv : -1;
2256 #define WRAP_FLAGS (EVP_CIPH_WRAP_MODE \
2257 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
2258 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_FLAG_DEFAULT_ASN1)
2260 static const EVP_CIPHER aes_128_wrap = {
2262 8, 16, 8, WRAP_FLAGS,
2263 aes_wrap_init_key, aes_wrap_cipher,
2265 sizeof(EVP_AES_WRAP_CTX),
2266 NULL, NULL, NULL, NULL
2269 const EVP_CIPHER *EVP_aes_128_wrap(void)
2271 return &aes_128_wrap;
2274 static const EVP_CIPHER aes_192_wrap = {
2276 8, 24, 8, WRAP_FLAGS,
2277 aes_wrap_init_key, aes_wrap_cipher,
2279 sizeof(EVP_AES_WRAP_CTX),
2280 NULL, NULL, NULL, NULL
2283 const EVP_CIPHER *EVP_aes_192_wrap(void)
2285 return &aes_192_wrap;
2288 static const EVP_CIPHER aes_256_wrap = {
2290 8, 32, 8, WRAP_FLAGS,
2291 aes_wrap_init_key, aes_wrap_cipher,
2293 sizeof(EVP_AES_WRAP_CTX),
2294 NULL, NULL, NULL, NULL
2297 const EVP_CIPHER *EVP_aes_256_wrap(void)
2299 return &aes_256_wrap;
2302 static const EVP_CIPHER aes_128_wrap_pad = {
2303 NID_id_aes128_wrap_pad,
2304 8, 16, 4, WRAP_FLAGS,
2305 aes_wrap_init_key, aes_wrap_cipher,
2307 sizeof(EVP_AES_WRAP_CTX),
2308 NULL, NULL, NULL, NULL
2311 const EVP_CIPHER *EVP_aes_128_wrap_pad(void)
2313 return &aes_128_wrap_pad;
2316 static const EVP_CIPHER aes_192_wrap_pad = {
2317 NID_id_aes192_wrap_pad,
2318 8, 24, 4, WRAP_FLAGS,
2319 aes_wrap_init_key, aes_wrap_cipher,
2321 sizeof(EVP_AES_WRAP_CTX),
2322 NULL, NULL, NULL, NULL
2325 const EVP_CIPHER *EVP_aes_192_wrap_pad(void)
2327 return &aes_192_wrap_pad;
2330 static const EVP_CIPHER aes_256_wrap_pad = {
2331 NID_id_aes256_wrap_pad,
2332 8, 32, 4, WRAP_FLAGS,
2333 aes_wrap_init_key, aes_wrap_cipher,
2335 sizeof(EVP_AES_WRAP_CTX),
2336 NULL, NULL, NULL, NULL
2339 const EVP_CIPHER *EVP_aes_256_wrap_pad(void)
2341 return &aes_256_wrap_pad;
2344 #ifndef OPENSSL_NO_OCB
2345 static int aes_ocb_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
2347 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,c);
2348 EVP_CIPHER_CTX *newc;
2349 EVP_AES_OCB_CTX *new_octx;
2355 octx->ivlen = EVP_CIPHER_CTX_iv_length(c);
2356 octx->iv = EVP_CIPHER_CTX_iv_noconst(c);
2358 octx->data_buf_len = 0;
2359 octx->aad_buf_len = 0;
2362 case EVP_CTRL_AEAD_SET_IVLEN:
2363 /* IV len must be 1 to 15 */
2364 if (arg <= 0 || arg > 15)
2370 case EVP_CTRL_AEAD_SET_TAG:
2372 /* Tag len must be 0 to 16 */
2373 if (arg < 0 || arg > 16)
2379 if (arg != octx->taglen || EVP_CIPHER_CTX_encrypting(c))
2381 memcpy(octx->tag, ptr, arg);
2384 case EVP_CTRL_AEAD_GET_TAG:
2385 if (arg != octx->taglen || !EVP_CIPHER_CTX_encrypting(c))
2388 memcpy(ptr, octx->tag, arg);
2392 newc = (EVP_CIPHER_CTX *)ptr;
2393 new_octx = EVP_C_DATA(EVP_AES_OCB_CTX,newc);
2394 return CRYPTO_ocb128_copy_ctx(&new_octx->ocb, &octx->ocb,
2395 &new_octx->ksenc.ks,
2396 &new_octx->ksdec.ks);
2404 # ifdef HWAES_CAPABLE
2405 # ifdef HWAES_ocb_encrypt
2406 void HWAES_ocb_encrypt(const unsigned char *in, unsigned char *out,
2407 size_t blocks, const void *key,
2408 size_t start_block_num,
2409 unsigned char offset_i[16],
2410 const unsigned char L_[][16],
2411 unsigned char checksum[16]);
2413 # define HWAES_ocb_encrypt NULL
2415 # ifdef HWAES_ocb_decrypt
2416 void HWAES_ocb_decrypt(const unsigned char *in, unsigned char *out,
2417 size_t blocks, const void *key,
2418 size_t start_block_num,
2419 unsigned char offset_i[16],
2420 const unsigned char L_[][16],
2421 unsigned char checksum[16]);
2423 # define HWAES_ocb_decrypt NULL
2427 static int aes_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
2428 const unsigned char *iv, int enc)
2430 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
2436 * We set both the encrypt and decrypt key here because decrypt
2437 * needs both. We could possibly optimise to remove setting the
2438 * decrypt for an encryption operation.
2440 # ifdef HWAES_CAPABLE
2441 if (HWAES_CAPABLE) {
2442 HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2444 HWAES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2446 if (!CRYPTO_ocb128_init(&octx->ocb,
2447 &octx->ksenc.ks, &octx->ksdec.ks,
2448 (block128_f) HWAES_encrypt,
2449 (block128_f) HWAES_decrypt,
2450 enc ? HWAES_ocb_encrypt
2451 : HWAES_ocb_decrypt))
2456 # ifdef VPAES_CAPABLE
2457 if (VPAES_CAPABLE) {
2458 vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2460 vpaes_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2462 if (!CRYPTO_ocb128_init(&octx->ocb,
2463 &octx->ksenc.ks, &octx->ksdec.ks,
2464 (block128_f) vpaes_encrypt,
2465 (block128_f) vpaes_decrypt,
2471 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2473 AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2475 if (!CRYPTO_ocb128_init(&octx->ocb,
2476 &octx->ksenc.ks, &octx->ksdec.ks,
2477 (block128_f) AES_encrypt,
2478 (block128_f) AES_decrypt,
2485 * If we have an iv we can set it directly, otherwise use saved IV.
2487 if (iv == NULL && octx->iv_set)
2490 if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen)
2497 /* If key set use IV, otherwise copy */
2499 CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen);
2501 memcpy(octx->iv, iv, octx->ivlen);
2507 static int aes_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2508 const unsigned char *in, size_t len)
2512 int written_len = 0;
2513 size_t trailing_len;
2514 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
2516 /* If IV or Key not set then return error */
2525 * Need to ensure we are only passing full blocks to low level OCB
2526 * routines. We do it here rather than in EVP_EncryptUpdate/
2527 * EVP_DecryptUpdate because we need to pass full blocks of AAD too
2528 * and those routines don't support that
2531 /* Are we dealing with AAD or normal data here? */
2533 buf = octx->aad_buf;
2534 buf_len = &(octx->aad_buf_len);
2536 buf = octx->data_buf;
2537 buf_len = &(octx->data_buf_len);
2541 * If we've got a partially filled buffer from a previous call then
2542 * use that data first
2545 unsigned int remaining;
2547 remaining = 16 - (*buf_len);
2548 if (remaining > len) {
2549 memcpy(buf + (*buf_len), in, len);
2553 memcpy(buf + (*buf_len), in, remaining);
2556 * If we get here we've filled the buffer, so process it
2561 if (!CRYPTO_ocb128_aad(&octx->ocb, buf, 16))
2563 } else if (EVP_CIPHER_CTX_encrypting(ctx)) {
2564 if (!CRYPTO_ocb128_encrypt(&octx->ocb, buf, out, 16))
2567 if (!CRYPTO_ocb128_decrypt(&octx->ocb, buf, out, 16))
2574 /* Do we have a partial block to handle at the end? */
2575 trailing_len = len % 16;
2578 * If we've got some full blocks to handle, then process these first
2580 if (len != trailing_len) {
2582 if (!CRYPTO_ocb128_aad(&octx->ocb, in, len - trailing_len))
2584 } else if (EVP_CIPHER_CTX_encrypting(ctx)) {
2585 if (!CRYPTO_ocb128_encrypt
2586 (&octx->ocb, in, out, len - trailing_len))
2589 if (!CRYPTO_ocb128_decrypt
2590 (&octx->ocb, in, out, len - trailing_len))
2593 written_len += len - trailing_len;
2594 in += len - trailing_len;
2597 /* Handle any trailing partial block */
2599 memcpy(buf, in, trailing_len);
2600 *buf_len = trailing_len;
2606 * First of all empty the buffer of any partial block that we might
2607 * have been provided - both for data and AAD
2609 if (octx->data_buf_len) {
2610 if (EVP_CIPHER_CTX_encrypting(ctx)) {
2611 if (!CRYPTO_ocb128_encrypt(&octx->ocb, octx->data_buf, out,
2612 octx->data_buf_len))
2615 if (!CRYPTO_ocb128_decrypt(&octx->ocb, octx->data_buf, out,
2616 octx->data_buf_len))
2619 written_len = octx->data_buf_len;
2620 octx->data_buf_len = 0;
2622 if (octx->aad_buf_len) {
2623 if (!CRYPTO_ocb128_aad
2624 (&octx->ocb, octx->aad_buf, octx->aad_buf_len))
2626 octx->aad_buf_len = 0;
2628 /* If decrypting then verify */
2629 if (!EVP_CIPHER_CTX_encrypting(ctx)) {
2630 if (octx->taglen < 0)
2632 if (CRYPTO_ocb128_finish(&octx->ocb,
2633 octx->tag, octx->taglen) != 0)
2638 /* If encrypting then just get the tag */
2639 if (CRYPTO_ocb128_tag(&octx->ocb, octx->tag, 16) != 1)
2641 /* Don't reuse the IV */
2647 static int aes_ocb_cleanup(EVP_CIPHER_CTX *c)
2649 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,c);
2650 CRYPTO_ocb128_cleanup(&octx->ocb);
2654 BLOCK_CIPHER_custom(NID_aes, 128, 16, 12, ocb, OCB,
2655 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2656 BLOCK_CIPHER_custom(NID_aes, 192, 16, 12, ocb, OCB,
2657 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2658 BLOCK_CIPHER_custom(NID_aes, 256, 16, 12, ocb, OCB,
2659 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
2660 #endif /* OPENSSL_NO_OCB */