2 * Copyright 2001-2018 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>
38 } ks; /* AES key schedule to use */
39 int key_set; /* Set if key initialised */
40 int iv_set; /* Set if an iv is set */
42 unsigned char *iv; /* Temporary IV store */
43 int ivlen; /* IV length */
45 int iv_gen; /* It is OK to generate IVs */
46 int tls_aad_len; /* TLS AAD length */
54 } ks1, ks2; /* AES key schedules to use */
56 void (*stream) (const unsigned char *in,
57 unsigned char *out, size_t length,
58 const AES_KEY *key1, const AES_KEY *key2,
59 const unsigned char iv[16]);
66 } ks; /* AES key schedule to use */
67 int key_set; /* Set if key initialised */
68 int iv_set; /* Set if an iv is set */
69 int tag_set; /* Set if tag is valid */
70 int len_set; /* Set if message length set */
71 int L, M; /* L and M parameters from RFC3610 */
72 int tls_aad_len; /* TLS AAD length */
77 #ifndef OPENSSL_NO_OCB
82 } ksenc; /* AES key schedule to use for encryption */
86 } ksdec; /* AES key schedule to use for decryption */
87 int key_set; /* Set if key initialised */
88 int iv_set; /* Set if an iv is set */
90 unsigned char *iv; /* Temporary IV store */
91 unsigned char tag[16];
92 unsigned char data_buf[16]; /* Store partial data blocks */
93 unsigned char aad_buf[16]; /* Store partial AAD blocks */
96 int ivlen; /* IV length */
101 #define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4))
104 int vpaes_set_encrypt_key(const unsigned char *userKey, int bits,
106 int vpaes_set_decrypt_key(const unsigned char *userKey, int bits,
109 void vpaes_encrypt(const unsigned char *in, unsigned char *out,
111 void vpaes_decrypt(const unsigned char *in, unsigned char *out,
114 void vpaes_cbc_encrypt(const unsigned char *in,
117 const AES_KEY *key, unsigned char *ivec, int enc);
120 void bsaes_cbc_encrypt(const unsigned char *in, unsigned char *out,
121 size_t length, const AES_KEY *key,
122 unsigned char ivec[16], int enc);
123 void bsaes_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
124 size_t len, const AES_KEY *key,
125 const unsigned char ivec[16]);
126 void bsaes_xts_encrypt(const unsigned char *inp, unsigned char *out,
127 size_t len, const AES_KEY *key1,
128 const AES_KEY *key2, const unsigned char iv[16]);
129 void bsaes_xts_decrypt(const unsigned char *inp, unsigned char *out,
130 size_t len, const AES_KEY *key1,
131 const AES_KEY *key2, const unsigned char iv[16]);
134 void AES_ctr32_encrypt(const unsigned char *in, unsigned char *out,
135 size_t blocks, const AES_KEY *key,
136 const unsigned char ivec[AES_BLOCK_SIZE]);
139 void AES_xts_encrypt(const unsigned char *inp, unsigned char *out, size_t len,
140 const AES_KEY *key1, const AES_KEY *key2,
141 const unsigned char iv[16]);
142 void AES_xts_decrypt(const unsigned char *inp, unsigned char *out, size_t len,
143 const AES_KEY *key1, const AES_KEY *key2,
144 const unsigned char iv[16]);
147 #if defined(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC))
148 # include "ppc_arch.h"
150 # define VPAES_CAPABLE (OPENSSL_ppccap_P & PPC_ALTIVEC)
152 # define HWAES_CAPABLE (OPENSSL_ppccap_P & PPC_CRYPTO207)
153 # define HWAES_set_encrypt_key aes_p8_set_encrypt_key
154 # define HWAES_set_decrypt_key aes_p8_set_decrypt_key
155 # define HWAES_encrypt aes_p8_encrypt
156 # define HWAES_decrypt aes_p8_decrypt
157 # define HWAES_cbc_encrypt aes_p8_cbc_encrypt
158 # define HWAES_ctr32_encrypt_blocks aes_p8_ctr32_encrypt_blocks
159 # define HWAES_xts_encrypt aes_p8_xts_encrypt
160 # define HWAES_xts_decrypt aes_p8_xts_decrypt
163 #if defined(AES_ASM) && !defined(I386_ONLY) && ( \
164 ((defined(__i386) || defined(__i386__) || \
165 defined(_M_IX86)) && defined(OPENSSL_IA32_SSE2))|| \
166 defined(__x86_64) || defined(__x86_64__) || \
167 defined(_M_AMD64) || defined(_M_X64) )
169 extern unsigned int OPENSSL_ia32cap_P[];
172 # define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
175 # define BSAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
180 # define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
182 int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
184 int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
187 void aesni_encrypt(const unsigned char *in, unsigned char *out,
189 void aesni_decrypt(const unsigned char *in, unsigned char *out,
192 void aesni_ecb_encrypt(const unsigned char *in,
194 size_t length, const AES_KEY *key, int enc);
195 void aesni_cbc_encrypt(const unsigned char *in,
198 const AES_KEY *key, unsigned char *ivec, int enc);
200 void aesni_ctr32_encrypt_blocks(const unsigned char *in,
203 const void *key, const unsigned char *ivec);
205 void aesni_xts_encrypt(const unsigned char *in,
208 const AES_KEY *key1, const AES_KEY *key2,
209 const unsigned char iv[16]);
211 void aesni_xts_decrypt(const unsigned char *in,
214 const AES_KEY *key1, const AES_KEY *key2,
215 const unsigned char iv[16]);
217 void aesni_ccm64_encrypt_blocks(const unsigned char *in,
221 const unsigned char ivec[16],
222 unsigned char cmac[16]);
224 void aesni_ccm64_decrypt_blocks(const unsigned char *in,
228 const unsigned char ivec[16],
229 unsigned char cmac[16]);
231 # if defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
232 size_t aesni_gcm_encrypt(const unsigned char *in,
235 const void *key, unsigned char ivec[16], u64 *Xi);
236 # define AES_gcm_encrypt aesni_gcm_encrypt
237 size_t aesni_gcm_decrypt(const unsigned char *in,
240 const void *key, unsigned char ivec[16], u64 *Xi);
241 # define AES_gcm_decrypt aesni_gcm_decrypt
242 void gcm_ghash_avx(u64 Xi[2], const u128 Htable[16], const u8 *in,
244 # define AES_GCM_ASM(gctx) (gctx->ctr==aesni_ctr32_encrypt_blocks && \
245 gctx->gcm.ghash==gcm_ghash_avx)
246 # define AES_GCM_ASM2(gctx) (gctx->gcm.block==(block128_f)aesni_encrypt && \
247 gctx->gcm.ghash==gcm_ghash_avx)
248 # undef AES_GCM_ASM2 /* minor size optimization */
251 static int aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
252 const unsigned char *iv, int enc)
255 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
257 mode = EVP_CIPHER_CTX_mode(ctx);
258 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
260 ret = aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
262 dat->block = (block128_f) aesni_decrypt;
263 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
264 (cbc128_f) aesni_cbc_encrypt : NULL;
266 ret = aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
268 dat->block = (block128_f) aesni_encrypt;
269 if (mode == EVP_CIPH_CBC_MODE)
270 dat->stream.cbc = (cbc128_f) aesni_cbc_encrypt;
271 else if (mode == EVP_CIPH_CTR_MODE)
272 dat->stream.ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
274 dat->stream.cbc = NULL;
278 EVPerr(EVP_F_AESNI_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
285 static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
286 const unsigned char *in, size_t len)
288 aesni_cbc_encrypt(in, out, len, &EVP_C_DATA(EVP_AES_KEY,ctx)->ks.ks,
289 EVP_CIPHER_CTX_iv_noconst(ctx),
290 EVP_CIPHER_CTX_encrypting(ctx));
295 static int aesni_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
296 const unsigned char *in, size_t len)
298 size_t bl = EVP_CIPHER_CTX_block_size(ctx);
303 aesni_ecb_encrypt(in, out, len, &EVP_C_DATA(EVP_AES_KEY,ctx)->ks.ks,
304 EVP_CIPHER_CTX_encrypting(ctx));
309 # define aesni_ofb_cipher aes_ofb_cipher
310 static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
311 const unsigned char *in, size_t len);
313 # define aesni_cfb_cipher aes_cfb_cipher
314 static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
315 const unsigned char *in, size_t len);
317 # define aesni_cfb8_cipher aes_cfb8_cipher
318 static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
319 const unsigned char *in, size_t len);
321 # define aesni_cfb1_cipher aes_cfb1_cipher
322 static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
323 const unsigned char *in, size_t len);
325 # define aesni_ctr_cipher aes_ctr_cipher
326 static int aesni_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
327 const unsigned char *in, size_t len);
329 static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
330 const unsigned char *iv, int enc)
332 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
336 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
338 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f) aesni_encrypt);
339 gctx->ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
341 * If we have an iv can set it directly, otherwise use saved IV.
343 if (iv == NULL && gctx->iv_set)
346 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
351 /* If key set use IV, otherwise copy */
353 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
355 memcpy(gctx->iv, iv, gctx->ivlen);
362 # define aesni_gcm_cipher aes_gcm_cipher
363 static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
364 const unsigned char *in, size_t len);
366 static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
367 const unsigned char *iv, int enc)
369 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
374 /* key_len is two AES keys */
376 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
378 xctx->xts.block1 = (block128_f) aesni_encrypt;
379 xctx->stream = aesni_xts_encrypt;
381 aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
383 xctx->xts.block1 = (block128_f) aesni_decrypt;
384 xctx->stream = aesni_xts_decrypt;
387 aesni_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
388 EVP_CIPHER_CTX_key_length(ctx) * 4,
390 xctx->xts.block2 = (block128_f) aesni_encrypt;
392 xctx->xts.key1 = &xctx->ks1;
396 xctx->xts.key2 = &xctx->ks2;
397 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16);
403 # define aesni_xts_cipher aes_xts_cipher
404 static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
405 const unsigned char *in, size_t len);
407 static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
408 const unsigned char *iv, int enc)
410 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
414 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
416 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
417 &cctx->ks, (block128_f) aesni_encrypt);
418 cctx->str = enc ? (ccm128_f) aesni_ccm64_encrypt_blocks :
419 (ccm128_f) aesni_ccm64_decrypt_blocks;
423 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
429 # define aesni_ccm_cipher aes_ccm_cipher
430 static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
431 const unsigned char *in, size_t len);
433 # ifndef OPENSSL_NO_OCB
434 void aesni_ocb_encrypt(const unsigned char *in, unsigned char *out,
435 size_t blocks, const void *key,
436 size_t start_block_num,
437 unsigned char offset_i[16],
438 const unsigned char L_[][16],
439 unsigned char checksum[16]);
440 void aesni_ocb_decrypt(const unsigned char *in, unsigned char *out,
441 size_t blocks, const void *key,
442 size_t start_block_num,
443 unsigned char offset_i[16],
444 const unsigned char L_[][16],
445 unsigned char checksum[16]);
447 static int aesni_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
448 const unsigned char *iv, int enc)
450 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
456 * We set both the encrypt and decrypt key here because decrypt
457 * needs both. We could possibly optimise to remove setting the
458 * decrypt for an encryption operation.
460 aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
462 aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
464 if (!CRYPTO_ocb128_init(&octx->ocb,
465 &octx->ksenc.ks, &octx->ksdec.ks,
466 (block128_f) aesni_encrypt,
467 (block128_f) aesni_decrypt,
468 enc ? aesni_ocb_encrypt
469 : aesni_ocb_decrypt))
475 * If we have an iv we can set it directly, otherwise use saved IV.
477 if (iv == NULL && octx->iv_set)
480 if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen)
487 /* If key set use IV, otherwise copy */
489 CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen);
491 memcpy(octx->iv, iv, octx->ivlen);
497 # define aesni_ocb_cipher aes_ocb_cipher
498 static int aesni_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
499 const unsigned char *in, size_t len);
500 # endif /* OPENSSL_NO_OCB */
502 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
503 static const EVP_CIPHER aesni_##keylen##_##mode = { \
504 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
505 flags|EVP_CIPH_##MODE##_MODE, \
507 aesni_##mode##_cipher, \
509 sizeof(EVP_AES_KEY), \
510 NULL,NULL,NULL,NULL }; \
511 static const EVP_CIPHER aes_##keylen##_##mode = { \
512 nid##_##keylen##_##nmode,blocksize, \
514 flags|EVP_CIPH_##MODE##_MODE, \
516 aes_##mode##_cipher, \
518 sizeof(EVP_AES_KEY), \
519 NULL,NULL,NULL,NULL }; \
520 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
521 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
523 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
524 static const EVP_CIPHER aesni_##keylen##_##mode = { \
525 nid##_##keylen##_##mode,blocksize, \
526 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
527 flags|EVP_CIPH_##MODE##_MODE, \
528 aesni_##mode##_init_key, \
529 aesni_##mode##_cipher, \
530 aes_##mode##_cleanup, \
531 sizeof(EVP_AES_##MODE##_CTX), \
532 NULL,NULL,aes_##mode##_ctrl,NULL }; \
533 static const EVP_CIPHER aes_##keylen##_##mode = { \
534 nid##_##keylen##_##mode,blocksize, \
535 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
536 flags|EVP_CIPH_##MODE##_MODE, \
537 aes_##mode##_init_key, \
538 aes_##mode##_cipher, \
539 aes_##mode##_cleanup, \
540 sizeof(EVP_AES_##MODE##_CTX), \
541 NULL,NULL,aes_##mode##_ctrl,NULL }; \
542 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
543 { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; }
545 #elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
547 # include "sparc_arch.h"
549 extern unsigned int OPENSSL_sparcv9cap_P[];
552 * Initial Fujitsu SPARC64 X support
554 # define HWAES_CAPABLE (OPENSSL_sparcv9cap_P[0] & SPARCV9_FJAESX)
555 # define HWAES_set_encrypt_key aes_fx_set_encrypt_key
556 # define HWAES_set_decrypt_key aes_fx_set_decrypt_key
557 # define HWAES_encrypt aes_fx_encrypt
558 # define HWAES_decrypt aes_fx_decrypt
559 # define HWAES_cbc_encrypt aes_fx_cbc_encrypt
560 # define HWAES_ctr32_encrypt_blocks aes_fx_ctr32_encrypt_blocks
562 # define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES)
564 void aes_t4_set_encrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
565 void aes_t4_set_decrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
566 void aes_t4_encrypt(const unsigned char *in, unsigned char *out,
568 void aes_t4_decrypt(const unsigned char *in, unsigned char *out,
571 * Key-length specific subroutines were chosen for following reason.
572 * Each SPARC T4 core can execute up to 8 threads which share core's
573 * resources. Loading as much key material to registers allows to
574 * minimize references to shared memory interface, as well as amount
575 * of instructions in inner loops [much needed on T4]. But then having
576 * non-key-length specific routines would require conditional branches
577 * either in inner loops or on subroutines' entries. Former is hardly
578 * acceptable, while latter means code size increase to size occupied
579 * by multiple key-length specific subroutines, so why fight?
581 void aes128_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
582 size_t len, const AES_KEY *key,
583 unsigned char *ivec);
584 void aes128_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
585 size_t len, const AES_KEY *key,
586 unsigned char *ivec);
587 void aes192_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
588 size_t len, const AES_KEY *key,
589 unsigned char *ivec);
590 void aes192_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
591 size_t len, const AES_KEY *key,
592 unsigned char *ivec);
593 void aes256_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
594 size_t len, const AES_KEY *key,
595 unsigned char *ivec);
596 void aes256_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
597 size_t len, const AES_KEY *key,
598 unsigned char *ivec);
599 void aes128_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
600 size_t blocks, const AES_KEY *key,
601 unsigned char *ivec);
602 void aes192_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
603 size_t blocks, const AES_KEY *key,
604 unsigned char *ivec);
605 void aes256_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
606 size_t blocks, const AES_KEY *key,
607 unsigned char *ivec);
608 void aes128_t4_xts_encrypt(const unsigned char *in, unsigned char *out,
609 size_t blocks, const AES_KEY *key1,
610 const AES_KEY *key2, const unsigned char *ivec);
611 void aes128_t4_xts_decrypt(const unsigned char *in, unsigned char *out,
612 size_t blocks, const AES_KEY *key1,
613 const AES_KEY *key2, const unsigned char *ivec);
614 void aes256_t4_xts_encrypt(const unsigned char *in, unsigned char *out,
615 size_t blocks, const AES_KEY *key1,
616 const AES_KEY *key2, const unsigned char *ivec);
617 void aes256_t4_xts_decrypt(const unsigned char *in, unsigned char *out,
618 size_t blocks, const AES_KEY *key1,
619 const AES_KEY *key2, const unsigned char *ivec);
621 static int aes_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
622 const unsigned char *iv, int enc)
625 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
627 mode = EVP_CIPHER_CTX_mode(ctx);
628 bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
629 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
632 aes_t4_set_decrypt_key(key, bits, &dat->ks.ks);
633 dat->block = (block128_f) aes_t4_decrypt;
636 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
637 (cbc128_f) aes128_t4_cbc_decrypt : NULL;
640 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
641 (cbc128_f) aes192_t4_cbc_decrypt : NULL;
644 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
645 (cbc128_f) aes256_t4_cbc_decrypt : NULL;
652 aes_t4_set_encrypt_key(key, bits, &dat->ks.ks);
653 dat->block = (block128_f) aes_t4_encrypt;
656 if (mode == EVP_CIPH_CBC_MODE)
657 dat->stream.cbc = (cbc128_f) aes128_t4_cbc_encrypt;
658 else if (mode == EVP_CIPH_CTR_MODE)
659 dat->stream.ctr = (ctr128_f) aes128_t4_ctr32_encrypt;
661 dat->stream.cbc = NULL;
664 if (mode == EVP_CIPH_CBC_MODE)
665 dat->stream.cbc = (cbc128_f) aes192_t4_cbc_encrypt;
666 else if (mode == EVP_CIPH_CTR_MODE)
667 dat->stream.ctr = (ctr128_f) aes192_t4_ctr32_encrypt;
669 dat->stream.cbc = NULL;
672 if (mode == EVP_CIPH_CBC_MODE)
673 dat->stream.cbc = (cbc128_f) aes256_t4_cbc_encrypt;
674 else if (mode == EVP_CIPH_CTR_MODE)
675 dat->stream.ctr = (ctr128_f) aes256_t4_ctr32_encrypt;
677 dat->stream.cbc = NULL;
685 EVPerr(EVP_F_AES_T4_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
692 # define aes_t4_cbc_cipher aes_cbc_cipher
693 static int aes_t4_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
694 const unsigned char *in, size_t len);
696 # define aes_t4_ecb_cipher aes_ecb_cipher
697 static int aes_t4_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
698 const unsigned char *in, size_t len);
700 # define aes_t4_ofb_cipher aes_ofb_cipher
701 static int aes_t4_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
702 const unsigned char *in, size_t len);
704 # define aes_t4_cfb_cipher aes_cfb_cipher
705 static int aes_t4_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
706 const unsigned char *in, size_t len);
708 # define aes_t4_cfb8_cipher aes_cfb8_cipher
709 static int aes_t4_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
710 const unsigned char *in, size_t len);
712 # define aes_t4_cfb1_cipher aes_cfb1_cipher
713 static int aes_t4_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
714 const unsigned char *in, size_t len);
716 # define aes_t4_ctr_cipher aes_ctr_cipher
717 static int aes_t4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
718 const unsigned char *in, size_t len);
720 static int aes_t4_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
721 const unsigned char *iv, int enc)
723 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
727 int bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
728 aes_t4_set_encrypt_key(key, bits, &gctx->ks.ks);
729 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
730 (block128_f) aes_t4_encrypt);
733 gctx->ctr = (ctr128_f) aes128_t4_ctr32_encrypt;
736 gctx->ctr = (ctr128_f) aes192_t4_ctr32_encrypt;
739 gctx->ctr = (ctr128_f) aes256_t4_ctr32_encrypt;
745 * If we have an iv can set it directly, otherwise use saved IV.
747 if (iv == NULL && gctx->iv_set)
750 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
755 /* If key set use IV, otherwise copy */
757 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
759 memcpy(gctx->iv, iv, gctx->ivlen);
766 # define aes_t4_gcm_cipher aes_gcm_cipher
767 static int aes_t4_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
768 const unsigned char *in, size_t len);
770 static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
771 const unsigned char *iv, int enc)
773 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
778 int bits = EVP_CIPHER_CTX_key_length(ctx) * 4;
780 /* key_len is two AES keys */
782 aes_t4_set_encrypt_key(key, bits, &xctx->ks1.ks);
783 xctx->xts.block1 = (block128_f) aes_t4_encrypt;
786 xctx->stream = aes128_t4_xts_encrypt;
789 xctx->stream = aes256_t4_xts_encrypt;
795 aes_t4_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
797 xctx->xts.block1 = (block128_f) aes_t4_decrypt;
800 xctx->stream = aes128_t4_xts_decrypt;
803 xctx->stream = aes256_t4_xts_decrypt;
810 aes_t4_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
811 EVP_CIPHER_CTX_key_length(ctx) * 4,
813 xctx->xts.block2 = (block128_f) aes_t4_encrypt;
815 xctx->xts.key1 = &xctx->ks1;
819 xctx->xts.key2 = &xctx->ks2;
820 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16);
826 # define aes_t4_xts_cipher aes_xts_cipher
827 static int aes_t4_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
828 const unsigned char *in, size_t len);
830 static int aes_t4_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
831 const unsigned char *iv, int enc)
833 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
837 int bits = EVP_CIPHER_CTX_key_length(ctx) * 8;
838 aes_t4_set_encrypt_key(key, bits, &cctx->ks.ks);
839 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
840 &cctx->ks, (block128_f) aes_t4_encrypt);
845 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
851 # define aes_t4_ccm_cipher aes_ccm_cipher
852 static int aes_t4_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
853 const unsigned char *in, size_t len);
855 # ifndef OPENSSL_NO_OCB
856 static int aes_t4_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
857 const unsigned char *iv, int enc)
859 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
865 * We set both the encrypt and decrypt key here because decrypt
866 * needs both. We could possibly optimise to remove setting the
867 * decrypt for an encryption operation.
869 aes_t4_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
871 aes_t4_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
873 if (!CRYPTO_ocb128_init(&octx->ocb,
874 &octx->ksenc.ks, &octx->ksdec.ks,
875 (block128_f) aes_t4_encrypt,
876 (block128_f) aes_t4_decrypt,
883 * If we have an iv we can set it directly, otherwise use saved IV.
885 if (iv == NULL && octx->iv_set)
888 if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen)
895 /* If key set use IV, otherwise copy */
897 CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen);
899 memcpy(octx->iv, iv, octx->ivlen);
905 # define aes_t4_ocb_cipher aes_ocb_cipher
906 static int aes_t4_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
907 const unsigned char *in, size_t len);
908 # endif /* OPENSSL_NO_OCB */
910 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
911 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
912 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
913 flags|EVP_CIPH_##MODE##_MODE, \
915 aes_t4_##mode##_cipher, \
917 sizeof(EVP_AES_KEY), \
918 NULL,NULL,NULL,NULL }; \
919 static const EVP_CIPHER aes_##keylen##_##mode = { \
920 nid##_##keylen##_##nmode,blocksize, \
922 flags|EVP_CIPH_##MODE##_MODE, \
924 aes_##mode##_cipher, \
926 sizeof(EVP_AES_KEY), \
927 NULL,NULL,NULL,NULL }; \
928 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
929 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
931 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
932 static const EVP_CIPHER aes_t4_##keylen##_##mode = { \
933 nid##_##keylen##_##mode,blocksize, \
934 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
935 flags|EVP_CIPH_##MODE##_MODE, \
936 aes_t4_##mode##_init_key, \
937 aes_t4_##mode##_cipher, \
938 aes_##mode##_cleanup, \
939 sizeof(EVP_AES_##MODE##_CTX), \
940 NULL,NULL,aes_##mode##_ctrl,NULL }; \
941 static const EVP_CIPHER aes_##keylen##_##mode = { \
942 nid##_##keylen##_##mode,blocksize, \
943 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
944 flags|EVP_CIPH_##MODE##_MODE, \
945 aes_##mode##_init_key, \
946 aes_##mode##_cipher, \
947 aes_##mode##_cleanup, \
948 sizeof(EVP_AES_##MODE##_CTX), \
949 NULL,NULL,aes_##mode##_ctrl,NULL }; \
950 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
951 { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; }
953 #elif defined(OPENSSL_CPUID_OBJ) && defined(__s390__)
957 # include "s390x_arch.h"
963 * KMA-GCM-AES parameter block - begin
964 * (see z/Architecture Principles of Operation >= SA22-7832-11)
967 unsigned char reserved[12];
973 unsigned long long g[2];
977 unsigned long long taadl;
978 unsigned long long tpcl;
980 unsigned long long g[2];
985 /* KMA-GCM-AES parameter block - end */
997 unsigned char ares[16];
998 unsigned char mres[16];
999 unsigned char kres[16];
1005 } S390X_AES_GCM_CTX;
1011 * Padding is chosen so that ccm.kmac_param.k overlaps with key.k and
1012 * ccm.fc with key.k.rounds. Remember that on s390x, an AES_KEY's
1013 * rounds field is used to store the function code and that the key
1014 * schedule is not stored (if aes hardware support is detected).
1017 unsigned char pad[16];
1023 * KMAC-AES parameter block - begin
1024 * (see z/Architecture Principles of Operation >= SA22-7832-08)
1028 unsigned long long g[2];
1029 unsigned char b[16];
1031 unsigned char k[32];
1033 /* KMAC-AES paramater block - end */
1036 unsigned long long g[2];
1037 unsigned char b[16];
1040 unsigned long long g[2];
1041 unsigned char b[16];
1044 unsigned long long blocks;
1053 unsigned char pad[140];
1057 } S390X_AES_CCM_CTX;
1059 # define S390X_aes_128_CAPABLE ((OPENSSL_s390xcap_P.km[0] & \
1060 S390X_CAPBIT(S390X_AES_128)) &&\
1061 (OPENSSL_s390xcap_P.kmc[0] & \
1062 S390X_CAPBIT(S390X_AES_128)))
1063 # define S390X_aes_192_CAPABLE ((OPENSSL_s390xcap_P.km[0] & \
1064 S390X_CAPBIT(S390X_AES_192)) &&\
1065 (OPENSSL_s390xcap_P.kmc[0] & \
1066 S390X_CAPBIT(S390X_AES_192)))
1067 # define S390X_aes_256_CAPABLE ((OPENSSL_s390xcap_P.km[0] & \
1068 S390X_CAPBIT(S390X_AES_256)) &&\
1069 (OPENSSL_s390xcap_P.kmc[0] & \
1070 S390X_CAPBIT(S390X_AES_256)))
1072 # define s390x_aes_init_key aes_init_key
1073 static int s390x_aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
1074 const unsigned char *iv, int enc);
1076 # define S390X_aes_128_cbc_CAPABLE 1 /* checked by callee */
1077 # define S390X_aes_192_cbc_CAPABLE 1
1078 # define S390X_aes_256_cbc_CAPABLE 1
1080 # define s390x_aes_cbc_cipher aes_cbc_cipher
1081 static int s390x_aes_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1082 const unsigned char *in, size_t len);
1084 # define S390X_aes_128_ecb_CAPABLE 0
1085 # define S390X_aes_192_ecb_CAPABLE 0
1086 # define S390X_aes_256_ecb_CAPABLE 0
1088 # define s390x_aes_ecb_cipher aes_ecb_cipher
1089 static int s390x_aes_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1090 const unsigned char *in, size_t len);
1092 # define S390X_aes_128_ofb_CAPABLE 0
1093 # define S390X_aes_192_ofb_CAPABLE 0
1094 # define S390X_aes_256_ofb_CAPABLE 0
1096 # define s390x_aes_ofb_cipher aes_ofb_cipher
1097 static int s390x_aes_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1098 const unsigned char *in, size_t len);
1100 # define S390X_aes_128_cfb_CAPABLE 0
1101 # define S390X_aes_192_cfb_CAPABLE 0
1102 # define S390X_aes_256_cfb_CAPABLE 0
1104 # define s390x_aes_cfb_cipher aes_cfb_cipher
1105 static int s390x_aes_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1106 const unsigned char *in, size_t len);
1108 # define S390X_aes_128_cfb8_CAPABLE 0
1109 # define S390X_aes_192_cfb8_CAPABLE 0
1110 # define S390X_aes_256_cfb8_CAPABLE 0
1112 # define s390x_aes_cfb8_cipher aes_cfb8_cipher
1113 static int s390x_aes_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1114 const unsigned char *in, size_t len);
1116 # define S390X_aes_128_cfb1_CAPABLE 0
1117 # define S390X_aes_192_cfb1_CAPABLE 0
1118 # define S390X_aes_256_cfb1_CAPABLE 0
1120 # define s390x_aes_cfb1_cipher aes_cfb1_cipher
1121 static int s390x_aes_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1122 const unsigned char *in, size_t len);
1124 # define S390X_aes_128_ctr_CAPABLE 1 /* checked by callee */
1125 # define S390X_aes_192_ctr_CAPABLE 1
1126 # define S390X_aes_256_ctr_CAPABLE 1
1128 # define s390x_aes_ctr_cipher aes_ctr_cipher
1129 static int s390x_aes_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1130 const unsigned char *in, size_t len);
1132 # define S390X_aes_128_gcm_CAPABLE (S390X_aes_128_CAPABLE && \
1133 (OPENSSL_s390xcap_P.kma[0] & \
1134 S390X_CAPBIT(S390X_AES_128)))
1135 # define S390X_aes_192_gcm_CAPABLE (S390X_aes_192_CAPABLE && \
1136 (OPENSSL_s390xcap_P.kma[0] & \
1137 S390X_CAPBIT(S390X_AES_192)))
1138 # define S390X_aes_256_gcm_CAPABLE (S390X_aes_256_CAPABLE && \
1139 (OPENSSL_s390xcap_P.kma[0] & \
1140 S390X_CAPBIT(S390X_AES_256)))
1142 /* iv + padding length for iv lenghts != 12 */
1143 # define S390X_gcm_ivpadlen(i) ((((i) + 15) >> 4 << 4) + 16)
1146 * Process additional authenticated data. Returns 0 on success. Code is
1149 static int s390x_aes_gcm_aad(S390X_AES_GCM_CTX *ctx, const unsigned char *aad,
1152 unsigned long long alen;
1155 if (ctx->kma.param.tpcl)
1158 alen = ctx->kma.param.taadl + len;
1159 if (alen > (U64(1) << 61) || (sizeof(len) == 8 && alen < len))
1161 ctx->kma.param.taadl = alen;
1166 ctx->ares[n] = *aad;
1171 /* ctx->ares contains a complete block if offset has wrapped around */
1173 s390x_kma(ctx->ares, 16, NULL, 0, NULL, ctx->fc, &ctx->kma.param);
1174 ctx->fc |= S390X_KMA_HS;
1183 s390x_kma(aad, len, NULL, 0, NULL, ctx->fc, &ctx->kma.param);
1185 ctx->fc |= S390X_KMA_HS;
1193 ctx->ares[rem] = aad[rem];
1200 * En/de-crypt plain/cipher-text and authenticate ciphertext. Returns 0 for
1201 * success. Code is big-endian.
1203 static int s390x_aes_gcm(S390X_AES_GCM_CTX *ctx, const unsigned char *in,
1204 unsigned char *out, size_t len)
1206 const unsigned char *inptr;
1207 unsigned long long mlen;
1210 unsigned char b[16];
1215 mlen = ctx->kma.param.tpcl + len;
1216 if (mlen > ((U64(1) << 36) - 32) || (sizeof(len) == 8 && mlen < len))
1218 ctx->kma.param.tpcl = mlen;
1224 while (n && inlen) {
1225 ctx->mres[n] = *inptr;
1230 /* ctx->mres contains a complete block if offset has wrapped around */
1232 s390x_kma(ctx->ares, ctx->areslen, ctx->mres, 16, buf.b,
1233 ctx->fc | S390X_KMA_LAAD, &ctx->kma.param);
1234 ctx->fc |= S390X_KMA_HS;
1237 /* previous call already encrypted/decrypted its remainder,
1238 * see comment below */
1255 s390x_kma(ctx->ares, ctx->areslen, in, len, out,
1256 ctx->fc | S390X_KMA_LAAD, &ctx->kma.param);
1259 ctx->fc |= S390X_KMA_HS;
1264 * If there is a remainder, it has to be saved such that it can be
1265 * processed by kma later. However, we also have to do the for-now
1266 * unauthenticated encryption/decryption part here and now...
1269 if (!ctx->mreslen) {
1270 buf.w[0] = ctx->kma.param.j0.w[0];
1271 buf.w[1] = ctx->kma.param.j0.w[1];
1272 buf.w[2] = ctx->kma.param.j0.w[2];
1273 buf.w[3] = ctx->kma.param.cv.w + 1;
1274 s390x_km(buf.b, 16, ctx->kres, ctx->fc & 0x1f, &ctx->kma.param.k);
1278 for (i = 0; i < rem; i++) {
1279 ctx->mres[n + i] = in[i];
1280 out[i] = in[i] ^ ctx->kres[n + i];
1283 ctx->mreslen += rem;
1289 * Initialize context structure. Code is big-endian.
1291 static void s390x_aes_gcm_setiv(S390X_AES_GCM_CTX *ctx,
1292 const unsigned char *iv)
1294 ctx->kma.param.t.g[0] = 0;
1295 ctx->kma.param.t.g[1] = 0;
1296 ctx->kma.param.tpcl = 0;
1297 ctx->kma.param.taadl = 0;
1302 if (ctx->ivlen == 12) {
1303 memcpy(&ctx->kma.param.j0, iv, ctx->ivlen);
1304 ctx->kma.param.j0.w[3] = 1;
1305 ctx->kma.param.cv.w = 1;
1307 /* ctx->iv has the right size and is already padded. */
1308 memcpy(ctx->iv, iv, ctx->ivlen);
1309 s390x_kma(ctx->iv, S390X_gcm_ivpadlen(ctx->ivlen), NULL, 0, NULL,
1310 ctx->fc, &ctx->kma.param);
1311 ctx->fc |= S390X_KMA_HS;
1313 ctx->kma.param.j0.g[0] = ctx->kma.param.t.g[0];
1314 ctx->kma.param.j0.g[1] = ctx->kma.param.t.g[1];
1315 ctx->kma.param.cv.w = ctx->kma.param.j0.w[3];
1316 ctx->kma.param.t.g[0] = 0;
1317 ctx->kma.param.t.g[1] = 0;
1322 * Performs various operations on the context structure depending on control
1323 * type. Returns 1 for success, 0 for failure and -1 for unknown control type.
1324 * Code is big-endian.
1326 static int s390x_aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
1328 S390X_AES_GCM_CTX *gctx = EVP_C_DATA(S390X_AES_GCM_CTX, c);
1329 S390X_AES_GCM_CTX *gctx_out;
1330 EVP_CIPHER_CTX *out;
1331 unsigned char *buf, *iv;
1332 int ivlen, enc, len;
1336 ivlen = EVP_CIPHER_CTX_iv_length(c);
1337 iv = EVP_CIPHER_CTX_iv_noconst(c);
1340 gctx->ivlen = ivlen;
1344 gctx->tls_aad_len = -1;
1347 case EVP_CTRL_AEAD_SET_IVLEN:
1352 iv = EVP_CIPHER_CTX_iv_noconst(c);
1353 len = S390X_gcm_ivpadlen(arg);
1355 /* Allocate memory for iv if needed. */
1356 if (gctx->ivlen == 12 || len > S390X_gcm_ivpadlen(gctx->ivlen)) {
1358 OPENSSL_free(gctx->iv);
1360 gctx->iv = OPENSSL_malloc(len);
1361 if (gctx->iv == NULL)
1365 memset(gctx->iv + arg, 0, len - arg - 8);
1366 *((unsigned long long *)(gctx->iv + len - 8)) = arg << 3;
1371 case EVP_CTRL_AEAD_SET_TAG:
1372 buf = EVP_CIPHER_CTX_buf_noconst(c);
1373 enc = EVP_CIPHER_CTX_encrypting(c);
1374 if (arg <= 0 || arg > 16 || enc)
1377 memcpy(buf, ptr, arg);
1381 case EVP_CTRL_AEAD_GET_TAG:
1382 enc = EVP_CIPHER_CTX_encrypting(c);
1383 if (arg <= 0 || arg > 16 || !enc || gctx->taglen < 0)
1386 memcpy(ptr, gctx->kma.param.t.b, arg);
1389 case EVP_CTRL_GCM_SET_IV_FIXED:
1390 /* Special case: -1 length restores whole iv */
1392 memcpy(gctx->iv, ptr, gctx->ivlen);
1397 * Fixed field must be at least 4 bytes and invocation field at least
1400 if ((arg < 4) || (gctx->ivlen - arg) < 8)
1404 memcpy(gctx->iv, ptr, arg);
1406 enc = EVP_CIPHER_CTX_encrypting(c);
1407 if (enc && RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
1413 case EVP_CTRL_GCM_IV_GEN:
1414 if (gctx->iv_gen == 0 || gctx->key_set == 0)
1417 s390x_aes_gcm_setiv(gctx, gctx->iv);
1419 if (arg <= 0 || arg > gctx->ivlen)
1422 memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
1424 * Invocation field will be at least 8 bytes in size and so no need
1425 * to check wrap around or increment more than last 8 bytes.
1427 (*(unsigned long long *)(gctx->iv + gctx->ivlen - 8))++;
1431 case EVP_CTRL_GCM_SET_IV_INV:
1432 enc = EVP_CIPHER_CTX_encrypting(c);
1433 if (gctx->iv_gen == 0 || gctx->key_set == 0 || enc)
1436 memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
1437 s390x_aes_gcm_setiv(gctx, gctx->iv);
1441 case EVP_CTRL_AEAD_TLS1_AAD:
1442 /* Save the aad for later use. */
1443 if (arg != EVP_AEAD_TLS1_AAD_LEN)
1446 buf = EVP_CIPHER_CTX_buf_noconst(c);
1447 memcpy(buf, ptr, arg);
1448 gctx->tls_aad_len = arg;
1450 len = buf[arg - 2] << 8 | buf[arg - 1];
1451 /* Correct length for explicit iv. */
1452 if (len < EVP_GCM_TLS_EXPLICIT_IV_LEN)
1454 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
1456 /* If decrypting correct for tag too. */
1457 enc = EVP_CIPHER_CTX_encrypting(c);
1459 if (len < EVP_GCM_TLS_TAG_LEN)
1461 len -= EVP_GCM_TLS_TAG_LEN;
1463 buf[arg - 2] = len >> 8;
1464 buf[arg - 1] = len & 0xff;
1465 /* Extra padding: tag appended to record. */
1466 return EVP_GCM_TLS_TAG_LEN;
1470 gctx_out = EVP_C_DATA(S390X_AES_GCM_CTX, out);
1471 iv = EVP_CIPHER_CTX_iv_noconst(c);
1473 if (gctx->iv == iv) {
1474 gctx_out->iv = EVP_CIPHER_CTX_iv_noconst(out);
1476 len = S390X_gcm_ivpadlen(gctx->ivlen);
1478 gctx_out->iv = OPENSSL_malloc(len);
1479 if (gctx_out->iv == NULL)
1482 memcpy(gctx_out->iv, gctx->iv, len);
1492 * Set key and/or iv. Returns 1 on success. Otherwise 0 is returned.
1494 static int s390x_aes_gcm_init_key(EVP_CIPHER_CTX *ctx,
1495 const unsigned char *key,
1496 const unsigned char *iv, int enc)
1498 S390X_AES_GCM_CTX *gctx = EVP_C_DATA(S390X_AES_GCM_CTX, ctx);
1501 if (iv == NULL && key == NULL)
1505 keylen = EVP_CIPHER_CTX_key_length(ctx);
1506 memcpy(&gctx->kma.param.k, key, keylen);
1508 /* Convert key size to function code. */
1509 gctx->fc = S390X_AES_128 + (((keylen << 3) - 128) >> 6);
1511 gctx->fc |= S390X_DECRYPT;
1513 if (iv == NULL && gctx->iv_set)
1517 s390x_aes_gcm_setiv(gctx, iv);
1523 s390x_aes_gcm_setiv(gctx, iv);
1525 memcpy(gctx->iv, iv, gctx->ivlen);
1534 * En/de-crypt and authenticate TLS packet. Returns the number of bytes written
1535 * if successful. Otherwise -1 is returned. Code is big-endian.
1537 static int s390x_aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1538 const unsigned char *in, size_t len)
1540 S390X_AES_GCM_CTX *gctx = EVP_C_DATA(S390X_AES_GCM_CTX, ctx);
1541 const unsigned char *buf = EVP_CIPHER_CTX_buf_noconst(ctx);
1542 const int enc = EVP_CIPHER_CTX_encrypting(ctx);
1545 if (out != in || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN))
1548 if (EVP_CIPHER_CTX_ctrl(ctx, enc ? EVP_CTRL_GCM_IV_GEN
1549 : EVP_CTRL_GCM_SET_IV_INV,
1550 EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
1553 in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1554 out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
1555 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1557 gctx->kma.param.taadl = gctx->tls_aad_len << 3;
1558 gctx->kma.param.tpcl = len << 3;
1559 s390x_kma(buf, gctx->tls_aad_len, in, len, out,
1560 gctx->fc | S390X_KMA_LAAD | S390X_KMA_LPC, &gctx->kma.param);
1563 memcpy(out + len, gctx->kma.param.t.b, EVP_GCM_TLS_TAG_LEN);
1564 rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
1566 if (CRYPTO_memcmp(gctx->kma.param.t.b, in + len,
1567 EVP_GCM_TLS_TAG_LEN)) {
1568 OPENSSL_cleanse(out, len);
1575 gctx->tls_aad_len = -1;
1580 * Called from EVP layer to initialize context, process additional
1581 * authenticated data, en/de-crypt plain/cipher-text and authenticate
1582 * ciphertext or process a TLS packet, depending on context. Returns bytes
1583 * written on success. Otherwise -1 is returned. Code is big-endian.
1585 static int s390x_aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1586 const unsigned char *in, size_t len)
1588 S390X_AES_GCM_CTX *gctx = EVP_C_DATA(S390X_AES_GCM_CTX, ctx);
1589 unsigned char *buf, tmp[16];
1595 if (gctx->tls_aad_len >= 0)
1596 return s390x_aes_gcm_tls_cipher(ctx, out, in, len);
1603 if (s390x_aes_gcm_aad(gctx, in, len))
1606 if (s390x_aes_gcm(gctx, in, out, len))
1611 gctx->kma.param.taadl <<= 3;
1612 gctx->kma.param.tpcl <<= 3;
1613 s390x_kma(gctx->ares, gctx->areslen, gctx->mres, gctx->mreslen, tmp,
1614 gctx->fc | S390X_KMA_LAAD | S390X_KMA_LPC, &gctx->kma.param);
1615 /* recall that we already did en-/decrypt gctx->mres
1616 * and returned it to caller... */
1617 OPENSSL_cleanse(tmp, gctx->mreslen);
1620 enc = EVP_CIPHER_CTX_encrypting(ctx);
1624 if (gctx->taglen < 0)
1627 buf = EVP_CIPHER_CTX_buf_noconst(ctx);
1628 if (CRYPTO_memcmp(buf, gctx->kma.param.t.b, gctx->taglen))
1635 static int s390x_aes_gcm_cleanup(EVP_CIPHER_CTX *c)
1637 S390X_AES_GCM_CTX *gctx = EVP_C_DATA(S390X_AES_GCM_CTX, c);
1638 const unsigned char *iv;
1643 iv = EVP_CIPHER_CTX_iv(c);
1645 OPENSSL_free(gctx->iv);
1647 OPENSSL_cleanse(gctx, sizeof(*gctx));
1651 # define S390X_AES_XTS_CTX EVP_AES_XTS_CTX
1652 # define S390X_aes_128_xts_CAPABLE 1 /* checked by callee */
1653 # define S390X_aes_256_xts_CAPABLE 1
1655 # define s390x_aes_xts_init_key aes_xts_init_key
1656 static int s390x_aes_xts_init_key(EVP_CIPHER_CTX *ctx,
1657 const unsigned char *key,
1658 const unsigned char *iv, int enc);
1659 # define s390x_aes_xts_cipher aes_xts_cipher
1660 static int s390x_aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1661 const unsigned char *in, size_t len);
1662 # define s390x_aes_xts_ctrl aes_xts_ctrl
1663 static int s390x_aes_xts_ctrl(EVP_CIPHER_CTX *, int type, int arg, void *ptr);
1664 # define s390x_aes_xts_cleanup aes_xts_cleanup
1666 # define S390X_aes_128_ccm_CAPABLE (S390X_aes_128_CAPABLE && \
1667 (OPENSSL_s390xcap_P.kmac[0] & \
1668 S390X_CAPBIT(S390X_AES_128)))
1669 # define S390X_aes_192_ccm_CAPABLE (S390X_aes_192_CAPABLE && \
1670 (OPENSSL_s390xcap_P.kmac[0] & \
1671 S390X_CAPBIT(S390X_AES_192)))
1672 # define S390X_aes_256_ccm_CAPABLE (S390X_aes_256_CAPABLE && \
1673 (OPENSSL_s390xcap_P.kmac[0] & \
1674 S390X_CAPBIT(S390X_AES_256)))
1676 # define S390X_CCM_AAD_FLAG 0x40
1679 * Set nonce and length fields. Code is big-endian.
1681 static inline void s390x_aes_ccm_setiv(S390X_AES_CCM_CTX *ctx,
1682 const unsigned char *nonce,
1685 ctx->aes.ccm.nonce.b[0] &= ~S390X_CCM_AAD_FLAG;
1686 ctx->aes.ccm.nonce.g[1] = mlen;
1687 memcpy(ctx->aes.ccm.nonce.b + 1, nonce, 15 - ctx->aes.ccm.l);
1691 * Process additional authenticated data. Code is big-endian.
1693 static void s390x_aes_ccm_aad(S390X_AES_CCM_CTX *ctx, const unsigned char *aad,
1702 ctx->aes.ccm.nonce.b[0] |= S390X_CCM_AAD_FLAG;
1704 /* Suppress 'type-punned pointer dereference' warning. */
1705 ptr = ctx->aes.ccm.buf.b;
1707 if (alen < ((1 << 16) - (1 << 8))) {
1708 *(uint16_t *)ptr = alen;
1710 } else if (sizeof(alen) == 8
1711 && alen >= (size_t)1 << (32 % (sizeof(alen) * 8))) {
1712 *(uint16_t *)ptr = 0xffff;
1713 *(uint64_t *)(ptr + 2) = alen;
1716 *(uint16_t *)ptr = 0xfffe;
1717 *(uint32_t *)(ptr + 2) = alen;
1721 while (i < 16 && alen) {
1722 ctx->aes.ccm.buf.b[i] = *aad;
1728 ctx->aes.ccm.buf.b[i] = 0;
1732 ctx->aes.ccm.kmac_param.icv.g[0] = 0;
1733 ctx->aes.ccm.kmac_param.icv.g[1] = 0;
1734 s390x_kmac(ctx->aes.ccm.nonce.b, 32, ctx->aes.ccm.fc,
1735 &ctx->aes.ccm.kmac_param);
1736 ctx->aes.ccm.blocks += 2;
1741 s390x_kmac(aad, alen, ctx->aes.ccm.fc, &ctx->aes.ccm.kmac_param);
1742 ctx->aes.ccm.blocks += alen >> 4;
1746 for (i = 0; i < rem; i++)
1747 ctx->aes.ccm.kmac_param.icv.b[i] ^= aad[i];
1749 s390x_km(ctx->aes.ccm.kmac_param.icv.b, 16,
1750 ctx->aes.ccm.kmac_param.icv.b, ctx->aes.ccm.fc,
1751 ctx->aes.ccm.kmac_param.k);
1752 ctx->aes.ccm.blocks++;
1757 * En/de-crypt plain/cipher-text. Compute tag from plaintext. Returns 0 for
1760 static int s390x_aes_ccm(S390X_AES_CCM_CTX *ctx, const unsigned char *in,
1761 unsigned char *out, size_t len, int enc)
1764 unsigned int i, l, num;
1765 unsigned char flags;
1767 flags = ctx->aes.ccm.nonce.b[0];
1768 if (!(flags & S390X_CCM_AAD_FLAG)) {
1769 s390x_km(ctx->aes.ccm.nonce.b, 16, ctx->aes.ccm.kmac_param.icv.b,
1770 ctx->aes.ccm.fc, ctx->aes.ccm.kmac_param.k);
1771 ctx->aes.ccm.blocks++;
1774 ctx->aes.ccm.nonce.b[0] = l;
1777 * Reconstruct length from encoded length field
1778 * and initialize it with counter value.
1781 for (i = 15 - l; i < 15; i++) {
1782 n |= ctx->aes.ccm.nonce.b[i];
1783 ctx->aes.ccm.nonce.b[i] = 0;
1786 n |= ctx->aes.ccm.nonce.b[15];
1787 ctx->aes.ccm.nonce.b[15] = 1;
1790 return -1; /* length mismatch */
1793 /* Two operations per block plus one for tag encryption */
1794 ctx->aes.ccm.blocks += (((len + 15) >> 4) << 1) + 1;
1795 if (ctx->aes.ccm.blocks > (1ULL << 61))
1796 return -2; /* too much data */
1804 /* mac-then-encrypt */
1806 s390x_kmac(in, len, ctx->aes.ccm.fc, &ctx->aes.ccm.kmac_param);
1808 for (i = 0; i < rem; i++)
1809 ctx->aes.ccm.kmac_param.icv.b[i] ^= in[len + i];
1811 s390x_km(ctx->aes.ccm.kmac_param.icv.b, 16,
1812 ctx->aes.ccm.kmac_param.icv.b, ctx->aes.ccm.fc,
1813 ctx->aes.ccm.kmac_param.k);
1816 CRYPTO_ctr128_encrypt_ctr32(in, out, len + rem, &ctx->aes.key.k,
1817 ctx->aes.ccm.nonce.b, ctx->aes.ccm.buf.b,
1818 &num, (ctr128_f)AES_ctr32_encrypt);
1820 /* decrypt-then-mac */
1821 CRYPTO_ctr128_encrypt_ctr32(in, out, len + rem, &ctx->aes.key.k,
1822 ctx->aes.ccm.nonce.b, ctx->aes.ccm.buf.b,
1823 &num, (ctr128_f)AES_ctr32_encrypt);
1826 s390x_kmac(out, len, ctx->aes.ccm.fc, &ctx->aes.ccm.kmac_param);
1828 for (i = 0; i < rem; i++)
1829 ctx->aes.ccm.kmac_param.icv.b[i] ^= out[len + i];
1831 s390x_km(ctx->aes.ccm.kmac_param.icv.b, 16,
1832 ctx->aes.ccm.kmac_param.icv.b, ctx->aes.ccm.fc,
1833 ctx->aes.ccm.kmac_param.k);
1837 for (i = 15 - l; i < 16; i++)
1838 ctx->aes.ccm.nonce.b[i] = 0;
1840 s390x_km(ctx->aes.ccm.nonce.b, 16, ctx->aes.ccm.buf.b, ctx->aes.ccm.fc,
1841 ctx->aes.ccm.kmac_param.k);
1842 ctx->aes.ccm.kmac_param.icv.g[0] ^= ctx->aes.ccm.buf.g[0];
1843 ctx->aes.ccm.kmac_param.icv.g[1] ^= ctx->aes.ccm.buf.g[1];
1845 ctx->aes.ccm.nonce.b[0] = flags; /* restore flags field */
1850 * En/de-crypt and authenticate TLS packet. Returns the number of bytes written
1851 * if successful. Otherwise -1 is returned.
1853 static int s390x_aes_ccm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1854 const unsigned char *in, size_t len)
1856 S390X_AES_CCM_CTX *cctx = EVP_C_DATA(S390X_AES_CCM_CTX, ctx);
1857 unsigned char *ivec = EVP_CIPHER_CTX_iv_noconst(ctx);
1858 unsigned char *buf = EVP_CIPHER_CTX_buf_noconst(ctx);
1859 const int enc = EVP_CIPHER_CTX_encrypting(ctx);
1862 || len < (EVP_CCM_TLS_EXPLICIT_IV_LEN + (size_t)cctx->aes.ccm.m))
1866 /* Set explicit iv (sequence number). */
1867 memcpy(out, buf, EVP_CCM_TLS_EXPLICIT_IV_LEN);
1870 len -= EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->aes.ccm.m;
1872 * Get explicit iv (sequence number). We already have fixed iv
1873 * (server/client_write_iv) here.
1875 memcpy(ivec + EVP_CCM_TLS_FIXED_IV_LEN, in, EVP_CCM_TLS_EXPLICIT_IV_LEN);
1876 s390x_aes_ccm_setiv(cctx, ivec, len);
1878 /* Process aad (sequence number|type|version|length) */
1879 s390x_aes_ccm_aad(cctx, buf, cctx->aes.ccm.tls_aad_len);
1881 in += EVP_CCM_TLS_EXPLICIT_IV_LEN;
1882 out += EVP_CCM_TLS_EXPLICIT_IV_LEN;
1885 if (s390x_aes_ccm(cctx, in, out, len, enc))
1888 memcpy(out + len, cctx->aes.ccm.kmac_param.icv.b, cctx->aes.ccm.m);
1889 return len + EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->aes.ccm.m;
1891 if (!s390x_aes_ccm(cctx, in, out, len, enc)) {
1892 if (!CRYPTO_memcmp(cctx->aes.ccm.kmac_param.icv.b, in + len,
1897 OPENSSL_cleanse(out, len);
1903 * Set key and flag field and/or iv. Returns 1 if successful. Otherwise 0 is
1906 static int s390x_aes_ccm_init_key(EVP_CIPHER_CTX *ctx,
1907 const unsigned char *key,
1908 const unsigned char *iv, int enc)
1910 S390X_AES_CCM_CTX *cctx = EVP_C_DATA(S390X_AES_CCM_CTX, ctx);
1911 unsigned char *ivec;
1914 if (iv == NULL && key == NULL)
1918 keylen = EVP_CIPHER_CTX_key_length(ctx);
1919 /* Convert key size to function code. */
1920 cctx->aes.ccm.fc = S390X_AES_128 + (((keylen << 3) - 128) >> 6);
1921 memcpy(cctx->aes.ccm.kmac_param.k, key, keylen);
1923 /* Store encoded m and l. */
1924 cctx->aes.ccm.nonce.b[0] = ((cctx->aes.ccm.l - 1) & 0x7)
1925 | (((cctx->aes.ccm.m - 2) >> 1) & 0x7) << 3;
1926 memset(cctx->aes.ccm.nonce.b + 1, 0,
1927 sizeof(cctx->aes.ccm.nonce.b));
1928 cctx->aes.ccm.blocks = 0;
1930 cctx->aes.ccm.key_set = 1;
1934 ivec = EVP_CIPHER_CTX_iv_noconst(ctx);
1935 memcpy(ivec, iv, 15 - cctx->aes.ccm.l);
1937 cctx->aes.ccm.iv_set = 1;
1944 * Called from EVP layer to initialize context, process additional
1945 * authenticated data, en/de-crypt plain/cipher-text and authenticate
1946 * plaintext or process a TLS packet, depending on context. Returns bytes
1947 * written on success. Otherwise -1 is returned.
1949 static int s390x_aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
1950 const unsigned char *in, size_t len)
1952 S390X_AES_CCM_CTX *cctx = EVP_C_DATA(S390X_AES_CCM_CTX, ctx);
1953 const int enc = EVP_CIPHER_CTX_encrypting(ctx);
1955 unsigned char *buf, *ivec;
1957 if (!cctx->aes.ccm.key_set)
1960 if (cctx->aes.ccm.tls_aad_len >= 0)
1961 return s390x_aes_ccm_tls_cipher(ctx, out, in, len);
1964 * Final(): Does not return any data. Recall that ccm is mac-then-encrypt
1965 * so integrity must be checked already at Update() i.e., before
1966 * potentially corrupted data is output.
1968 if (in == NULL && out != NULL)
1971 if (!cctx->aes.ccm.iv_set)
1974 if (!enc && !cctx->aes.ccm.tag_set)
1978 /* Update(): Pass message length. */
1980 ivec = EVP_CIPHER_CTX_iv_noconst(ctx);
1981 s390x_aes_ccm_setiv(cctx, ivec, len);
1983 cctx->aes.ccm.len_set = 1;
1987 /* Update(): Process aad. */
1988 if (!cctx->aes.ccm.len_set && len)
1991 s390x_aes_ccm_aad(cctx, in, len);
1995 /* Update(): Process message. */
1997 if (!cctx->aes.ccm.len_set) {
1999 * In case message length was not previously set explicitely via
2000 * Update(), set it now.
2002 ivec = EVP_CIPHER_CTX_iv_noconst(ctx);
2003 s390x_aes_ccm_setiv(cctx, ivec, len);
2005 cctx->aes.ccm.len_set = 1;
2009 if (s390x_aes_ccm(cctx, in, out, len, enc))
2012 cctx->aes.ccm.tag_set = 1;
2017 if (!s390x_aes_ccm(cctx, in, out, len, enc)) {
2018 buf = EVP_CIPHER_CTX_buf_noconst(ctx);
2019 if (!CRYPTO_memcmp(cctx->aes.ccm.kmac_param.icv.b, buf,
2025 OPENSSL_cleanse(out, len);
2027 cctx->aes.ccm.iv_set = 0;
2028 cctx->aes.ccm.tag_set = 0;
2029 cctx->aes.ccm.len_set = 0;
2035 * Performs various operations on the context structure depending on control
2036 * type. Returns 1 for success, 0 for failure and -1 for unknown control type.
2037 * Code is big-endian.
2039 static int s390x_aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
2041 S390X_AES_CCM_CTX *cctx = EVP_C_DATA(S390X_AES_CCM_CTX, c);
2042 unsigned char *buf, *iv;
2047 cctx->aes.ccm.key_set = 0;
2048 cctx->aes.ccm.iv_set = 0;
2049 cctx->aes.ccm.l = 8;
2050 cctx->aes.ccm.m = 12;
2051 cctx->aes.ccm.tag_set = 0;
2052 cctx->aes.ccm.len_set = 0;
2053 cctx->aes.ccm.tls_aad_len = -1;
2056 case EVP_CTRL_AEAD_TLS1_AAD:
2057 if (arg != EVP_AEAD_TLS1_AAD_LEN)
2060 /* Save the aad for later use. */
2061 buf = EVP_CIPHER_CTX_buf_noconst(c);
2062 memcpy(buf, ptr, arg);
2063 cctx->aes.ccm.tls_aad_len = arg;
2065 len = *(uint16_t *)(buf + arg - 2);
2066 if (len < EVP_CCM_TLS_EXPLICIT_IV_LEN)
2069 /* Correct length for explicit iv. */
2070 len -= EVP_CCM_TLS_EXPLICIT_IV_LEN;
2072 enc = EVP_CIPHER_CTX_encrypting(c);
2074 if (len < cctx->aes.ccm.m)
2077 /* Correct length for tag. */
2078 len -= cctx->aes.ccm.m;
2081 *(uint16_t *)(buf + arg - 2) = len;
2082 /* Extra padding: tag appended to record. */
2083 return cctx->aes.ccm.m;
2085 case EVP_CTRL_CCM_SET_IV_FIXED:
2086 if (arg != EVP_CCM_TLS_FIXED_IV_LEN)
2089 /* Copy to first part of the iv. */
2090 iv = EVP_CIPHER_CTX_iv_noconst(c);
2091 memcpy(iv, ptr, arg);
2094 case EVP_CTRL_AEAD_SET_IVLEN:
2098 case EVP_CTRL_CCM_SET_L:
2099 if (arg < 2 || arg > 8)
2102 cctx->aes.ccm.l = arg;
2105 case EVP_CTRL_AEAD_SET_TAG:
2106 if ((arg & 1) || arg < 4 || arg > 16)
2109 enc = EVP_CIPHER_CTX_encrypting(c);
2114 cctx->aes.ccm.tag_set = 1;
2115 buf = EVP_CIPHER_CTX_buf_noconst(c);
2116 memcpy(buf, ptr, arg);
2119 cctx->aes.ccm.m = arg;
2122 case EVP_CTRL_AEAD_GET_TAG:
2123 enc = EVP_CIPHER_CTX_encrypting(c);
2124 if (!enc || !cctx->aes.ccm.tag_set)
2127 if(arg < cctx->aes.ccm.m)
2130 memcpy(ptr, cctx->aes.ccm.kmac_param.icv.b, cctx->aes.ccm.m);
2131 cctx->aes.ccm.tag_set = 0;
2132 cctx->aes.ccm.iv_set = 0;
2133 cctx->aes.ccm.len_set = 0;
2144 # define s390x_aes_ccm_cleanup aes_ccm_cleanup
2146 # ifndef OPENSSL_NO_OCB
2147 # define S390X_AES_OCB_CTX EVP_AES_OCB_CTX
2148 # define S390X_aes_128_ocb_CAPABLE 0
2149 # define S390X_aes_192_ocb_CAPABLE 0
2150 # define S390X_aes_256_ocb_CAPABLE 0
2152 # define s390x_aes_ocb_init_key aes_ocb_init_key
2153 static int s390x_aes_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
2154 const unsigned char *iv, int enc);
2155 # define s390x_aes_ocb_cipher aes_ocb_cipher
2156 static int s390x_aes_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2157 const unsigned char *in, size_t len);
2158 # define s390x_aes_ocb_cleanup aes_ocb_cleanup
2159 static int s390x_aes_ocb_cleanup(EVP_CIPHER_CTX *);
2160 # define s390x_aes_ocb_ctrl aes_ocb_ctrl
2161 static int s390x_aes_ocb_ctrl(EVP_CIPHER_CTX *, int type, int arg, void *ptr);
2164 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode, \
2166 static const EVP_CIPHER s390x_aes_##keylen##_##mode = { \
2167 nid##_##keylen##_##nmode,blocksize, \
2170 flags | EVP_CIPH_##MODE##_MODE, \
2171 s390x_aes_init_key, \
2172 s390x_aes_##mode##_cipher, \
2174 sizeof(EVP_AES_KEY), \
2180 static const EVP_CIPHER aes_##keylen##_##mode = { \
2181 nid##_##keylen##_##nmode, \
2185 flags | EVP_CIPH_##MODE##_MODE, \
2187 aes_##mode##_cipher, \
2189 sizeof(EVP_AES_KEY), \
2190 NULL,NULL,NULL,NULL \
2192 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
2194 return S390X_aes_##keylen##_##mode##_CAPABLE ? \
2195 &s390x_aes_##keylen##_##mode : &aes_##keylen##_##mode; \
2198 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags)\
2199 static const EVP_CIPHER s390x_aes_##keylen##_##mode = { \
2200 nid##_##keylen##_##mode, \
2202 (EVP_CIPH_##MODE##_MODE == EVP_CIPH_XTS_MODE ? 2 : 1) * keylen / 8, \
2204 flags | EVP_CIPH_##MODE##_MODE, \
2205 s390x_aes_##mode##_init_key, \
2206 s390x_aes_##mode##_cipher, \
2207 s390x_aes_##mode##_cleanup, \
2208 sizeof(S390X_AES_##MODE##_CTX), \
2211 s390x_aes_##mode##_ctrl, \
2214 static const EVP_CIPHER aes_##keylen##_##mode = { \
2215 nid##_##keylen##_##mode,blocksize, \
2216 (EVP_CIPH_##MODE##_MODE == EVP_CIPH_XTS_MODE ? 2 : 1) * keylen / 8, \
2218 flags | EVP_CIPH_##MODE##_MODE, \
2219 aes_##mode##_init_key, \
2220 aes_##mode##_cipher, \
2221 aes_##mode##_cleanup, \
2222 sizeof(EVP_AES_##MODE##_CTX), \
2225 aes_##mode##_ctrl, \
2228 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
2230 return S390X_aes_##keylen##_##mode##_CAPABLE ? \
2231 &s390x_aes_##keylen##_##mode : &aes_##keylen##_##mode; \
2236 # define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
2237 static const EVP_CIPHER aes_##keylen##_##mode = { \
2238 nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \
2239 flags|EVP_CIPH_##MODE##_MODE, \
2241 aes_##mode##_cipher, \
2243 sizeof(EVP_AES_KEY), \
2244 NULL,NULL,NULL,NULL }; \
2245 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
2246 { return &aes_##keylen##_##mode; }
2248 # define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \
2249 static const EVP_CIPHER aes_##keylen##_##mode = { \
2250 nid##_##keylen##_##mode,blocksize, \
2251 (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \
2252 flags|EVP_CIPH_##MODE##_MODE, \
2253 aes_##mode##_init_key, \
2254 aes_##mode##_cipher, \
2255 aes_##mode##_cleanup, \
2256 sizeof(EVP_AES_##MODE##_CTX), \
2257 NULL,NULL,aes_##mode##_ctrl,NULL }; \
2258 const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
2259 { return &aes_##keylen##_##mode; }
2263 #if defined(OPENSSL_CPUID_OBJ) && (defined(__arm__) || defined(__arm) || defined(__aarch64__))
2264 # include "arm_arch.h"
2265 # if __ARM_MAX_ARCH__>=7
2266 # if defined(BSAES_ASM)
2267 # define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
2269 # if defined(VPAES_ASM)
2270 # define VPAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
2272 # define HWAES_CAPABLE (OPENSSL_armcap_P & ARMV8_AES)
2273 # define HWAES_set_encrypt_key aes_v8_set_encrypt_key
2274 # define HWAES_set_decrypt_key aes_v8_set_decrypt_key
2275 # define HWAES_encrypt aes_v8_encrypt
2276 # define HWAES_decrypt aes_v8_decrypt
2277 # define HWAES_cbc_encrypt aes_v8_cbc_encrypt
2278 # define HWAES_ctr32_encrypt_blocks aes_v8_ctr32_encrypt_blocks
2282 #if defined(HWAES_CAPABLE)
2283 int HWAES_set_encrypt_key(const unsigned char *userKey, const int bits,
2285 int HWAES_set_decrypt_key(const unsigned char *userKey, const int bits,
2287 void HWAES_encrypt(const unsigned char *in, unsigned char *out,
2288 const AES_KEY *key);
2289 void HWAES_decrypt(const unsigned char *in, unsigned char *out,
2290 const AES_KEY *key);
2291 void HWAES_cbc_encrypt(const unsigned char *in, unsigned char *out,
2292 size_t length, const AES_KEY *key,
2293 unsigned char *ivec, const int enc);
2294 void HWAES_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
2295 size_t len, const AES_KEY *key,
2296 const unsigned char ivec[16]);
2297 void HWAES_xts_encrypt(const unsigned char *inp, unsigned char *out,
2298 size_t len, const AES_KEY *key1,
2299 const AES_KEY *key2, const unsigned char iv[16]);
2300 void HWAES_xts_decrypt(const unsigned char *inp, unsigned char *out,
2301 size_t len, const AES_KEY *key1,
2302 const AES_KEY *key2, const unsigned char iv[16]);
2305 #define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \
2306 BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
2307 BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
2308 BLOCK_CIPHER_generic(nid,keylen,1,16,ofb128,ofb,OFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
2309 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb128,cfb,CFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \
2310 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb1,cfb1,CFB,flags) \
2311 BLOCK_CIPHER_generic(nid,keylen,1,16,cfb8,cfb8,CFB,flags) \
2312 BLOCK_CIPHER_generic(nid,keylen,1,16,ctr,ctr,CTR,flags)
2314 static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
2315 const unsigned char *iv, int enc)
2318 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
2320 mode = EVP_CIPHER_CTX_mode(ctx);
2321 if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE)
2323 #ifdef HWAES_CAPABLE
2324 if (HWAES_CAPABLE) {
2325 ret = HWAES_set_decrypt_key(key,
2326 EVP_CIPHER_CTX_key_length(ctx) * 8,
2328 dat->block = (block128_f) HWAES_decrypt;
2329 dat->stream.cbc = NULL;
2330 # ifdef HWAES_cbc_encrypt
2331 if (mode == EVP_CIPH_CBC_MODE)
2332 dat->stream.cbc = (cbc128_f) HWAES_cbc_encrypt;
2336 #ifdef BSAES_CAPABLE
2337 if (BSAES_CAPABLE && mode == EVP_CIPH_CBC_MODE) {
2338 ret = AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2340 dat->block = (block128_f) AES_decrypt;
2341 dat->stream.cbc = (cbc128_f) bsaes_cbc_encrypt;
2344 #ifdef VPAES_CAPABLE
2345 if (VPAES_CAPABLE) {
2346 ret = vpaes_set_decrypt_key(key,
2347 EVP_CIPHER_CTX_key_length(ctx) * 8,
2349 dat->block = (block128_f) vpaes_decrypt;
2350 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
2351 (cbc128_f) vpaes_cbc_encrypt : NULL;
2355 ret = AES_set_decrypt_key(key,
2356 EVP_CIPHER_CTX_key_length(ctx) * 8,
2358 dat->block = (block128_f) AES_decrypt;
2359 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
2360 (cbc128_f) AES_cbc_encrypt : NULL;
2363 #ifdef HWAES_CAPABLE
2364 if (HWAES_CAPABLE) {
2365 ret = HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2367 dat->block = (block128_f) HWAES_encrypt;
2368 dat->stream.cbc = NULL;
2369 # ifdef HWAES_cbc_encrypt
2370 if (mode == EVP_CIPH_CBC_MODE)
2371 dat->stream.cbc = (cbc128_f) HWAES_cbc_encrypt;
2374 # ifdef HWAES_ctr32_encrypt_blocks
2375 if (mode == EVP_CIPH_CTR_MODE)
2376 dat->stream.ctr = (ctr128_f) HWAES_ctr32_encrypt_blocks;
2379 (void)0; /* terminate potentially open 'else' */
2382 #ifdef BSAES_CAPABLE
2383 if (BSAES_CAPABLE && mode == EVP_CIPH_CTR_MODE) {
2384 ret = AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2386 dat->block = (block128_f) AES_encrypt;
2387 dat->stream.ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks;
2390 #ifdef VPAES_CAPABLE
2391 if (VPAES_CAPABLE) {
2392 ret = vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2394 dat->block = (block128_f) vpaes_encrypt;
2395 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
2396 (cbc128_f) vpaes_cbc_encrypt : NULL;
2400 ret = AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2402 dat->block = (block128_f) AES_encrypt;
2403 dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ?
2404 (cbc128_f) AES_cbc_encrypt : NULL;
2406 if (mode == EVP_CIPH_CTR_MODE)
2407 dat->stream.ctr = (ctr128_f) AES_ctr32_encrypt;
2412 EVPerr(EVP_F_AES_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
2419 static int aes_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2420 const unsigned char *in, size_t len)
2422 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
2424 if (dat->stream.cbc)
2425 (*dat->stream.cbc) (in, out, len, &dat->ks,
2426 EVP_CIPHER_CTX_iv_noconst(ctx),
2427 EVP_CIPHER_CTX_encrypting(ctx));
2428 else if (EVP_CIPHER_CTX_encrypting(ctx))
2429 CRYPTO_cbc128_encrypt(in, out, len, &dat->ks,
2430 EVP_CIPHER_CTX_iv_noconst(ctx), dat->block);
2432 CRYPTO_cbc128_decrypt(in, out, len, &dat->ks,
2433 EVP_CIPHER_CTX_iv_noconst(ctx), dat->block);
2438 static int aes_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2439 const unsigned char *in, size_t len)
2441 size_t bl = EVP_CIPHER_CTX_block_size(ctx);
2443 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
2448 for (i = 0, len -= bl; i <= len; i += bl)
2449 (*dat->block) (in + i, out + i, &dat->ks);
2454 static int aes_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2455 const unsigned char *in, size_t len)
2457 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
2459 int num = EVP_CIPHER_CTX_num(ctx);
2460 CRYPTO_ofb128_encrypt(in, out, len, &dat->ks,
2461 EVP_CIPHER_CTX_iv_noconst(ctx), &num, dat->block);
2462 EVP_CIPHER_CTX_set_num(ctx, num);
2466 static int aes_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2467 const unsigned char *in, size_t len)
2469 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
2471 int num = EVP_CIPHER_CTX_num(ctx);
2472 CRYPTO_cfb128_encrypt(in, out, len, &dat->ks,
2473 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
2474 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
2475 EVP_CIPHER_CTX_set_num(ctx, num);
2479 static int aes_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2480 const unsigned char *in, size_t len)
2482 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
2484 int num = EVP_CIPHER_CTX_num(ctx);
2485 CRYPTO_cfb128_8_encrypt(in, out, len, &dat->ks,
2486 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
2487 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
2488 EVP_CIPHER_CTX_set_num(ctx, num);
2492 static int aes_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2493 const unsigned char *in, size_t len)
2495 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
2497 if (EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS)) {
2498 int num = EVP_CIPHER_CTX_num(ctx);
2499 CRYPTO_cfb128_1_encrypt(in, out, len, &dat->ks,
2500 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
2501 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
2502 EVP_CIPHER_CTX_set_num(ctx, num);
2506 while (len >= MAXBITCHUNK) {
2507 int num = EVP_CIPHER_CTX_num(ctx);
2508 CRYPTO_cfb128_1_encrypt(in, out, MAXBITCHUNK * 8, &dat->ks,
2509 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
2510 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
2511 EVP_CIPHER_CTX_set_num(ctx, num);
2517 int num = EVP_CIPHER_CTX_num(ctx);
2518 CRYPTO_cfb128_1_encrypt(in, out, len * 8, &dat->ks,
2519 EVP_CIPHER_CTX_iv_noconst(ctx), &num,
2520 EVP_CIPHER_CTX_encrypting(ctx), dat->block);
2521 EVP_CIPHER_CTX_set_num(ctx, num);
2527 static int aes_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2528 const unsigned char *in, size_t len)
2530 unsigned int num = EVP_CIPHER_CTX_num(ctx);
2531 EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx);
2533 if (dat->stream.ctr)
2534 CRYPTO_ctr128_encrypt_ctr32(in, out, len, &dat->ks,
2535 EVP_CIPHER_CTX_iv_noconst(ctx),
2536 EVP_CIPHER_CTX_buf_noconst(ctx),
2537 &num, dat->stream.ctr);
2539 CRYPTO_ctr128_encrypt(in, out, len, &dat->ks,
2540 EVP_CIPHER_CTX_iv_noconst(ctx),
2541 EVP_CIPHER_CTX_buf_noconst(ctx), &num,
2543 EVP_CIPHER_CTX_set_num(ctx, num);
2547 BLOCK_CIPHER_generic_pack(NID_aes, 128, 0)
2548 BLOCK_CIPHER_generic_pack(NID_aes, 192, 0)
2549 BLOCK_CIPHER_generic_pack(NID_aes, 256, 0)
2551 static int aes_gcm_cleanup(EVP_CIPHER_CTX *c)
2553 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,c);
2556 OPENSSL_cleanse(&gctx->gcm, sizeof(gctx->gcm));
2557 if (gctx->iv != EVP_CIPHER_CTX_iv_noconst(c))
2558 OPENSSL_free(gctx->iv);
2562 /* increment counter (64-bit int) by 1 */
2563 static void ctr64_inc(unsigned char *counter)
2578 static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
2580 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,c);
2585 gctx->ivlen = EVP_CIPHER_CTX_iv_length(c);
2586 gctx->iv = EVP_CIPHER_CTX_iv_noconst(c);
2589 gctx->tls_aad_len = -1;
2592 case EVP_CTRL_AEAD_SET_IVLEN:
2595 /* Allocate memory for IV if needed */
2596 if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen)) {
2597 if (gctx->iv != EVP_CIPHER_CTX_iv_noconst(c))
2598 OPENSSL_free(gctx->iv);
2599 gctx->iv = OPENSSL_malloc(arg);
2600 if (gctx->iv == NULL)
2606 case EVP_CTRL_AEAD_SET_TAG:
2607 if (arg <= 0 || arg > 16 || EVP_CIPHER_CTX_encrypting(c))
2609 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
2613 case EVP_CTRL_AEAD_GET_TAG:
2614 if (arg <= 0 || arg > 16 || !EVP_CIPHER_CTX_encrypting(c)
2615 || gctx->taglen < 0)
2617 memcpy(ptr, EVP_CIPHER_CTX_buf_noconst(c), arg);
2620 case EVP_CTRL_GCM_SET_IV_FIXED:
2621 /* Special case: -1 length restores whole IV */
2623 memcpy(gctx->iv, ptr, gctx->ivlen);
2628 * Fixed field must be at least 4 bytes and invocation field at least
2631 if ((arg < 4) || (gctx->ivlen - arg) < 8)
2634 memcpy(gctx->iv, ptr, arg);
2635 if (EVP_CIPHER_CTX_encrypting(c)
2636 && RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
2641 case EVP_CTRL_GCM_IV_GEN:
2642 if (gctx->iv_gen == 0 || gctx->key_set == 0)
2644 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
2645 if (arg <= 0 || arg > gctx->ivlen)
2647 memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
2649 * Invocation field will be at least 8 bytes in size and so no need
2650 * to check wrap around or increment more than last 8 bytes.
2652 ctr64_inc(gctx->iv + gctx->ivlen - 8);
2656 case EVP_CTRL_GCM_SET_IV_INV:
2657 if (gctx->iv_gen == 0 || gctx->key_set == 0
2658 || EVP_CIPHER_CTX_encrypting(c))
2660 memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
2661 CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
2665 case EVP_CTRL_AEAD_TLS1_AAD:
2666 /* Save the AAD for later use */
2667 if (arg != EVP_AEAD_TLS1_AAD_LEN)
2669 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
2670 gctx->tls_aad_len = arg;
2673 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8
2674 | EVP_CIPHER_CTX_buf_noconst(c)[arg - 1];
2675 /* Correct length for explicit IV */
2676 if (len < EVP_GCM_TLS_EXPLICIT_IV_LEN)
2678 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
2679 /* If decrypting correct for tag too */
2680 if (!EVP_CIPHER_CTX_encrypting(c)) {
2681 if (len < EVP_GCM_TLS_TAG_LEN)
2683 len -= EVP_GCM_TLS_TAG_LEN;
2685 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8;
2686 EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff;
2688 /* Extra padding: tag appended to record */
2689 return EVP_GCM_TLS_TAG_LEN;
2693 EVP_CIPHER_CTX *out = ptr;
2694 EVP_AES_GCM_CTX *gctx_out = EVP_C_DATA(EVP_AES_GCM_CTX,out);
2695 if (gctx->gcm.key) {
2696 if (gctx->gcm.key != &gctx->ks)
2698 gctx_out->gcm.key = &gctx_out->ks;
2700 if (gctx->iv == EVP_CIPHER_CTX_iv_noconst(c))
2701 gctx_out->iv = EVP_CIPHER_CTX_iv_noconst(out);
2703 gctx_out->iv = OPENSSL_malloc(gctx->ivlen);
2704 if (gctx_out->iv == NULL)
2706 memcpy(gctx_out->iv, gctx->iv, gctx->ivlen);
2717 static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
2718 const unsigned char *iv, int enc)
2720 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
2725 #ifdef HWAES_CAPABLE
2726 if (HWAES_CAPABLE) {
2727 HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2729 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
2730 (block128_f) HWAES_encrypt);
2731 # ifdef HWAES_ctr32_encrypt_blocks
2732 gctx->ctr = (ctr128_f) HWAES_ctr32_encrypt_blocks;
2739 #ifdef BSAES_CAPABLE
2740 if (BSAES_CAPABLE) {
2741 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2743 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
2744 (block128_f) AES_encrypt);
2745 gctx->ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks;
2749 #ifdef VPAES_CAPABLE
2750 if (VPAES_CAPABLE) {
2751 vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2753 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
2754 (block128_f) vpaes_encrypt);
2759 (void)0; /* terminate potentially open 'else' */
2761 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
2763 CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
2764 (block128_f) AES_encrypt);
2766 gctx->ctr = (ctr128_f) AES_ctr32_encrypt;
2773 * If we have an iv can set it directly, otherwise use saved IV.
2775 if (iv == NULL && gctx->iv_set)
2778 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
2783 /* If key set use IV, otherwise copy */
2785 CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
2787 memcpy(gctx->iv, iv, gctx->ivlen);
2795 * Handle TLS GCM packet format. This consists of the last portion of the IV
2796 * followed by the payload and finally the tag. On encrypt generate IV,
2797 * encrypt payload and write the tag. On verify retrieve IV, decrypt payload
2801 static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2802 const unsigned char *in, size_t len)
2804 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
2806 /* Encrypt/decrypt must be performed in place */
2808 || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN))
2811 * Set IV from start of buffer or generate IV and write to start of
2814 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CIPHER_CTX_encrypting(ctx) ?
2815 EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
2816 EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
2819 if (CRYPTO_gcm128_aad(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx),
2822 /* Fix buffer and length to point to payload */
2823 in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
2824 out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
2825 len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
2826 if (EVP_CIPHER_CTX_encrypting(ctx)) {
2827 /* Encrypt payload */
2830 #if defined(AES_GCM_ASM)
2831 if (len >= 32 && AES_GCM_ASM(gctx)) {
2832 if (CRYPTO_gcm128_encrypt(&gctx->gcm, NULL, NULL, 0))
2835 bulk = AES_gcm_encrypt(in, out, len,
2837 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
2838 gctx->gcm.len.u[1] += bulk;
2841 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
2844 len - bulk, gctx->ctr))
2848 #if defined(AES_GCM_ASM2)
2849 if (len >= 32 && AES_GCM_ASM2(gctx)) {
2850 if (CRYPTO_gcm128_encrypt(&gctx->gcm, NULL, NULL, 0))
2853 bulk = AES_gcm_encrypt(in, out, len,
2855 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
2856 gctx->gcm.len.u[1] += bulk;
2859 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
2860 in + bulk, out + bulk, len - bulk))
2864 /* Finally write tag */
2865 CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
2866 rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
2871 #if defined(AES_GCM_ASM)
2872 if (len >= 16 && AES_GCM_ASM(gctx)) {
2873 if (CRYPTO_gcm128_decrypt(&gctx->gcm, NULL, NULL, 0))
2876 bulk = AES_gcm_decrypt(in, out, len,
2878 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
2879 gctx->gcm.len.u[1] += bulk;
2882 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
2885 len - bulk, gctx->ctr))
2889 #if defined(AES_GCM_ASM2)
2890 if (len >= 16 && AES_GCM_ASM2(gctx)) {
2891 if (CRYPTO_gcm128_decrypt(&gctx->gcm, NULL, NULL, 0))
2894 bulk = AES_gcm_decrypt(in, out, len,
2896 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
2897 gctx->gcm.len.u[1] += bulk;
2900 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
2901 in + bulk, out + bulk, len - bulk))
2905 CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx),
2906 EVP_GCM_TLS_TAG_LEN);
2907 /* If tag mismatch wipe buffer */
2908 if (CRYPTO_memcmp(EVP_CIPHER_CTX_buf_noconst(ctx), in + len,
2909 EVP_GCM_TLS_TAG_LEN)) {
2910 OPENSSL_cleanse(out, len);
2918 gctx->tls_aad_len = -1;
2922 static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
2923 const unsigned char *in, size_t len)
2925 EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx);
2926 /* If not set up, return error */
2930 if (gctx->tls_aad_len >= 0)
2931 return aes_gcm_tls_cipher(ctx, out, in, len);
2937 if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
2939 } else if (EVP_CIPHER_CTX_encrypting(ctx)) {
2942 #if defined(AES_GCM_ASM)
2943 if (len >= 32 && AES_GCM_ASM(gctx)) {
2944 size_t res = (16 - gctx->gcm.mres) % 16;
2946 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, res))
2949 bulk = AES_gcm_encrypt(in + res,
2950 out + res, len - res,
2951 gctx->gcm.key, gctx->gcm.Yi.c,
2953 gctx->gcm.len.u[1] += bulk;
2957 if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm,
2960 len - bulk, gctx->ctr))
2964 #if defined(AES_GCM_ASM2)
2965 if (len >= 32 && AES_GCM_ASM2(gctx)) {
2966 size_t res = (16 - gctx->gcm.mres) % 16;
2968 if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, res))
2971 bulk = AES_gcm_encrypt(in + res,
2972 out + res, len - res,
2973 gctx->gcm.key, gctx->gcm.Yi.c,
2975 gctx->gcm.len.u[1] += bulk;
2979 if (CRYPTO_gcm128_encrypt(&gctx->gcm,
2980 in + bulk, out + bulk, len - bulk))
2986 #if defined(AES_GCM_ASM)
2987 if (len >= 16 && AES_GCM_ASM(gctx)) {
2988 size_t res = (16 - gctx->gcm.mres) % 16;
2990 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, res))
2993 bulk = AES_gcm_decrypt(in + res,
2994 out + res, len - res,
2996 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
2997 gctx->gcm.len.u[1] += bulk;
3001 if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm,
3004 len - bulk, gctx->ctr))
3008 #if defined(AES_GCM_ASM2)
3009 if (len >= 16 && AES_GCM_ASM2(gctx)) {
3010 size_t res = (16 - gctx->gcm.mres) % 16;
3012 if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, res))
3015 bulk = AES_gcm_decrypt(in + res,
3016 out + res, len - res,
3018 gctx->gcm.Yi.c, gctx->gcm.Xi.u);
3019 gctx->gcm.len.u[1] += bulk;
3023 if (CRYPTO_gcm128_decrypt(&gctx->gcm,
3024 in + bulk, out + bulk, len - bulk))
3030 if (!EVP_CIPHER_CTX_encrypting(ctx)) {
3031 if (gctx->taglen < 0)
3033 if (CRYPTO_gcm128_finish(&gctx->gcm,
3034 EVP_CIPHER_CTX_buf_noconst(ctx),
3040 CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx), 16);
3042 /* Don't reuse the IV */
3049 #define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \
3050 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
3051 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
3052 | EVP_CIPH_CUSTOM_COPY)
3054 BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, gcm, GCM,
3055 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
3056 BLOCK_CIPHER_custom(NID_aes, 192, 1, 12, gcm, GCM,
3057 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
3058 BLOCK_CIPHER_custom(NID_aes, 256, 1, 12, gcm, GCM,
3059 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
3061 static int aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
3063 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,c);
3064 if (type == EVP_CTRL_COPY) {
3065 EVP_CIPHER_CTX *out = ptr;
3066 EVP_AES_XTS_CTX *xctx_out = EVP_C_DATA(EVP_AES_XTS_CTX,out);
3067 if (xctx->xts.key1) {
3068 if (xctx->xts.key1 != &xctx->ks1)
3070 xctx_out->xts.key1 = &xctx_out->ks1;
3072 if (xctx->xts.key2) {
3073 if (xctx->xts.key2 != &xctx->ks2)
3075 xctx_out->xts.key2 = &xctx_out->ks2;
3078 } else if (type != EVP_CTRL_INIT)
3080 /* key1 and key2 are used as an indicator both key and IV are set */
3081 xctx->xts.key1 = NULL;
3082 xctx->xts.key2 = NULL;
3086 static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
3087 const unsigned char *iv, int enc)
3089 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
3096 xctx->stream = enc ? AES_xts_encrypt : AES_xts_decrypt;
3098 xctx->stream = NULL;
3100 /* key_len is two AES keys */
3101 #ifdef HWAES_CAPABLE
3102 if (HWAES_CAPABLE) {
3104 HWAES_set_encrypt_key(key,
3105 EVP_CIPHER_CTX_key_length(ctx) * 4,
3107 xctx->xts.block1 = (block128_f) HWAES_encrypt;
3108 # ifdef HWAES_xts_encrypt
3109 xctx->stream = HWAES_xts_encrypt;
3112 HWAES_set_decrypt_key(key,
3113 EVP_CIPHER_CTX_key_length(ctx) * 4,
3115 xctx->xts.block1 = (block128_f) HWAES_decrypt;
3116 # ifdef HWAES_xts_decrypt
3117 xctx->stream = HWAES_xts_decrypt;
3121 HWAES_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
3122 EVP_CIPHER_CTX_key_length(ctx) * 4,
3124 xctx->xts.block2 = (block128_f) HWAES_encrypt;
3126 xctx->xts.key1 = &xctx->ks1;
3130 #ifdef BSAES_CAPABLE
3132 xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt;
3135 #ifdef VPAES_CAPABLE
3136 if (VPAES_CAPABLE) {
3138 vpaes_set_encrypt_key(key,
3139 EVP_CIPHER_CTX_key_length(ctx) * 4,
3141 xctx->xts.block1 = (block128_f) vpaes_encrypt;
3143 vpaes_set_decrypt_key(key,
3144 EVP_CIPHER_CTX_key_length(ctx) * 4,
3146 xctx->xts.block1 = (block128_f) vpaes_decrypt;
3149 vpaes_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
3150 EVP_CIPHER_CTX_key_length(ctx) * 4,
3152 xctx->xts.block2 = (block128_f) vpaes_encrypt;
3154 xctx->xts.key1 = &xctx->ks1;
3158 (void)0; /* terminate potentially open 'else' */
3161 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
3163 xctx->xts.block1 = (block128_f) AES_encrypt;
3165 AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4,
3167 xctx->xts.block1 = (block128_f) AES_decrypt;
3170 AES_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2,
3171 EVP_CIPHER_CTX_key_length(ctx) * 4,
3173 xctx->xts.block2 = (block128_f) AES_encrypt;
3175 xctx->xts.key1 = &xctx->ks1;
3179 xctx->xts.key2 = &xctx->ks2;
3180 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16);
3186 static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
3187 const unsigned char *in, size_t len)
3189 EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx);
3190 if (!xctx->xts.key1 || !xctx->xts.key2)
3192 if (!out || !in || len < AES_BLOCK_SIZE)
3195 (*xctx->stream) (in, out, len,
3196 xctx->xts.key1, xctx->xts.key2,
3197 EVP_CIPHER_CTX_iv_noconst(ctx));
3198 else if (CRYPTO_xts128_encrypt(&xctx->xts, EVP_CIPHER_CTX_iv_noconst(ctx),
3200 EVP_CIPHER_CTX_encrypting(ctx)))
3205 #define aes_xts_cleanup NULL
3207 #define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \
3208 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
3209 | EVP_CIPH_CUSTOM_COPY)
3211 BLOCK_CIPHER_custom(NID_aes, 128, 1, 16, xts, XTS, XTS_FLAGS)
3212 BLOCK_CIPHER_custom(NID_aes, 256, 1, 16, xts, XTS, XTS_FLAGS)
3214 static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
3216 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,c);
3225 cctx->tls_aad_len = -1;
3228 case EVP_CTRL_AEAD_TLS1_AAD:
3229 /* Save the AAD for later use */
3230 if (arg != EVP_AEAD_TLS1_AAD_LEN)
3232 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
3233 cctx->tls_aad_len = arg;
3236 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8
3237 | EVP_CIPHER_CTX_buf_noconst(c)[arg - 1];
3238 /* Correct length for explicit IV */
3239 if (len < EVP_CCM_TLS_EXPLICIT_IV_LEN)
3241 len -= EVP_CCM_TLS_EXPLICIT_IV_LEN;
3242 /* If decrypting correct for tag too */
3243 if (!EVP_CIPHER_CTX_encrypting(c)) {
3248 EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8;
3249 EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff;
3251 /* Extra padding: tag appended to record */
3254 case EVP_CTRL_CCM_SET_IV_FIXED:
3255 /* Sanity check length */
3256 if (arg != EVP_CCM_TLS_FIXED_IV_LEN)
3258 /* Just copy to first part of IV */
3259 memcpy(EVP_CIPHER_CTX_iv_noconst(c), ptr, arg);
3262 case EVP_CTRL_AEAD_SET_IVLEN:
3265 case EVP_CTRL_CCM_SET_L:
3266 if (arg < 2 || arg > 8)
3271 case EVP_CTRL_AEAD_SET_TAG:
3272 if ((arg & 1) || arg < 4 || arg > 16)
3274 if (EVP_CIPHER_CTX_encrypting(c) && ptr)
3278 memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
3283 case EVP_CTRL_AEAD_GET_TAG:
3284 if (!EVP_CIPHER_CTX_encrypting(c) || !cctx->tag_set)
3286 if (!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
3295 EVP_CIPHER_CTX *out = ptr;
3296 EVP_AES_CCM_CTX *cctx_out = EVP_C_DATA(EVP_AES_CCM_CTX,out);
3297 if (cctx->ccm.key) {
3298 if (cctx->ccm.key != &cctx->ks)
3300 cctx_out->ccm.key = &cctx_out->ks;
3311 static int aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
3312 const unsigned char *iv, int enc)
3314 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
3319 #ifdef HWAES_CAPABLE
3320 if (HWAES_CAPABLE) {
3321 HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
3324 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
3325 &cctx->ks, (block128_f) HWAES_encrypt);
3331 #ifdef VPAES_CAPABLE
3332 if (VPAES_CAPABLE) {
3333 vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
3335 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
3336 &cctx->ks, (block128_f) vpaes_encrypt);
3342 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
3344 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
3345 &cctx->ks, (block128_f) AES_encrypt);
3350 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
3356 static int aes_ccm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
3357 const unsigned char *in, size_t len)
3359 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
3360 CCM128_CONTEXT *ccm = &cctx->ccm;
3361 /* Encrypt/decrypt must be performed in place */
3362 if (out != in || len < (EVP_CCM_TLS_EXPLICIT_IV_LEN + (size_t)cctx->M))
3364 /* If encrypting set explicit IV from sequence number (start of AAD) */
3365 if (EVP_CIPHER_CTX_encrypting(ctx))
3366 memcpy(out, EVP_CIPHER_CTX_buf_noconst(ctx),
3367 EVP_CCM_TLS_EXPLICIT_IV_LEN);
3368 /* Get rest of IV from explicit IV */
3369 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx) + EVP_CCM_TLS_FIXED_IV_LEN, in,
3370 EVP_CCM_TLS_EXPLICIT_IV_LEN);
3371 /* Correct length value */
3372 len -= EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->M;
3373 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx), 15 - cctx->L,
3377 CRYPTO_ccm128_aad(ccm, EVP_CIPHER_CTX_buf_noconst(ctx), cctx->tls_aad_len);
3378 /* Fix buffer to point to payload */
3379 in += EVP_CCM_TLS_EXPLICIT_IV_LEN;
3380 out += EVP_CCM_TLS_EXPLICIT_IV_LEN;
3381 if (EVP_CIPHER_CTX_encrypting(ctx)) {
3382 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
3384 CRYPTO_ccm128_encrypt(ccm, in, out, len))
3386 if (!CRYPTO_ccm128_tag(ccm, out + len, cctx->M))
3388 return len + EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->M;
3390 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
3392 !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
3393 unsigned char tag[16];
3394 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
3395 if (!CRYPTO_memcmp(tag, in + len, cctx->M))
3399 OPENSSL_cleanse(out, len);
3404 static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
3405 const unsigned char *in, size_t len)
3407 EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx);
3408 CCM128_CONTEXT *ccm = &cctx->ccm;
3409 /* If not set up, return error */
3413 if (cctx->tls_aad_len >= 0)
3414 return aes_ccm_tls_cipher(ctx, out, in, len);
3416 /* EVP_*Final() doesn't return any data */
3417 if (in == NULL && out != NULL)
3423 if (!EVP_CIPHER_CTX_encrypting(ctx) && !cctx->tag_set)
3427 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx),
3433 /* If have AAD need message length */
3434 if (!cctx->len_set && len)
3436 CRYPTO_ccm128_aad(ccm, in, len);
3439 /* If not set length yet do it */
3440 if (!cctx->len_set) {
3441 if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx),
3446 if (EVP_CIPHER_CTX_encrypting(ctx)) {
3447 if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
3449 CRYPTO_ccm128_encrypt(ccm, in, out, len))
3455 if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
3457 !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
3458 unsigned char tag[16];
3459 if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
3460 if (!CRYPTO_memcmp(tag, EVP_CIPHER_CTX_buf_noconst(ctx),
3466 OPENSSL_cleanse(out, len);
3474 #define aes_ccm_cleanup NULL
3476 BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, ccm, CCM,
3477 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
3478 BLOCK_CIPHER_custom(NID_aes, 192, 1, 12, ccm, CCM,
3479 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
3480 BLOCK_CIPHER_custom(NID_aes, 256, 1, 12, ccm, CCM,
3481 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
3488 /* Indicates if IV has been set */
3492 static int aes_wrap_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
3493 const unsigned char *iv, int enc)
3495 EVP_AES_WRAP_CTX *wctx = EVP_C_DATA(EVP_AES_WRAP_CTX,ctx);
3499 if (EVP_CIPHER_CTX_encrypting(ctx))
3500 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
3503 AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
3509 memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, EVP_CIPHER_CTX_iv_length(ctx));
3510 wctx->iv = EVP_CIPHER_CTX_iv_noconst(ctx);
3515 static int aes_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
3516 const unsigned char *in, size_t inlen)
3518 EVP_AES_WRAP_CTX *wctx = EVP_C_DATA(EVP_AES_WRAP_CTX,ctx);
3520 /* AES wrap with padding has IV length of 4, without padding 8 */
3521 int pad = EVP_CIPHER_CTX_iv_length(ctx) == 4;
3522 /* No final operation so always return zero length */
3525 /* Input length must always be non-zero */
3528 /* If decrypting need at least 16 bytes and multiple of 8 */
3529 if (!EVP_CIPHER_CTX_encrypting(ctx) && (inlen < 16 || inlen & 0x7))
3531 /* If not padding input must be multiple of 8 */
3532 if (!pad && inlen & 0x7)
3534 if (is_partially_overlapping(out, in, inlen)) {
3535 EVPerr(EVP_F_AES_WRAP_CIPHER, EVP_R_PARTIALLY_OVERLAPPING);
3539 if (EVP_CIPHER_CTX_encrypting(ctx)) {
3540 /* If padding round up to multiple of 8 */
3542 inlen = (inlen + 7) / 8 * 8;
3547 * If not padding output will be exactly 8 bytes smaller than
3548 * input. If padding it will be at least 8 bytes smaller but we
3549 * don't know how much.
3555 if (EVP_CIPHER_CTX_encrypting(ctx))
3556 rv = CRYPTO_128_wrap_pad(&wctx->ks.ks, wctx->iv,
3558 (block128_f) AES_encrypt);
3560 rv = CRYPTO_128_unwrap_pad(&wctx->ks.ks, wctx->iv,
3562 (block128_f) AES_decrypt);
3564 if (EVP_CIPHER_CTX_encrypting(ctx))
3565 rv = CRYPTO_128_wrap(&wctx->ks.ks, wctx->iv,
3566 out, in, inlen, (block128_f) AES_encrypt);
3568 rv = CRYPTO_128_unwrap(&wctx->ks.ks, wctx->iv,
3569 out, in, inlen, (block128_f) AES_decrypt);
3571 return rv ? (int)rv : -1;
3574 #define WRAP_FLAGS (EVP_CIPH_WRAP_MODE \
3575 | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
3576 | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_FLAG_DEFAULT_ASN1)
3578 static const EVP_CIPHER aes_128_wrap = {
3580 8, 16, 8, WRAP_FLAGS,
3581 aes_wrap_init_key, aes_wrap_cipher,
3583 sizeof(EVP_AES_WRAP_CTX),
3584 NULL, NULL, NULL, NULL
3587 const EVP_CIPHER *EVP_aes_128_wrap(void)
3589 return &aes_128_wrap;
3592 static const EVP_CIPHER aes_192_wrap = {
3594 8, 24, 8, WRAP_FLAGS,
3595 aes_wrap_init_key, aes_wrap_cipher,
3597 sizeof(EVP_AES_WRAP_CTX),
3598 NULL, NULL, NULL, NULL
3601 const EVP_CIPHER *EVP_aes_192_wrap(void)
3603 return &aes_192_wrap;
3606 static const EVP_CIPHER aes_256_wrap = {
3608 8, 32, 8, WRAP_FLAGS,
3609 aes_wrap_init_key, aes_wrap_cipher,
3611 sizeof(EVP_AES_WRAP_CTX),
3612 NULL, NULL, NULL, NULL
3615 const EVP_CIPHER *EVP_aes_256_wrap(void)
3617 return &aes_256_wrap;
3620 static const EVP_CIPHER aes_128_wrap_pad = {
3621 NID_id_aes128_wrap_pad,
3622 8, 16, 4, WRAP_FLAGS,
3623 aes_wrap_init_key, aes_wrap_cipher,
3625 sizeof(EVP_AES_WRAP_CTX),
3626 NULL, NULL, NULL, NULL
3629 const EVP_CIPHER *EVP_aes_128_wrap_pad(void)
3631 return &aes_128_wrap_pad;
3634 static const EVP_CIPHER aes_192_wrap_pad = {
3635 NID_id_aes192_wrap_pad,
3636 8, 24, 4, WRAP_FLAGS,
3637 aes_wrap_init_key, aes_wrap_cipher,
3639 sizeof(EVP_AES_WRAP_CTX),
3640 NULL, NULL, NULL, NULL
3643 const EVP_CIPHER *EVP_aes_192_wrap_pad(void)
3645 return &aes_192_wrap_pad;
3648 static const EVP_CIPHER aes_256_wrap_pad = {
3649 NID_id_aes256_wrap_pad,
3650 8, 32, 4, WRAP_FLAGS,
3651 aes_wrap_init_key, aes_wrap_cipher,
3653 sizeof(EVP_AES_WRAP_CTX),
3654 NULL, NULL, NULL, NULL
3657 const EVP_CIPHER *EVP_aes_256_wrap_pad(void)
3659 return &aes_256_wrap_pad;
3662 #ifndef OPENSSL_NO_OCB
3663 static int aes_ocb_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
3665 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,c);
3666 EVP_CIPHER_CTX *newc;
3667 EVP_AES_OCB_CTX *new_octx;
3673 octx->ivlen = EVP_CIPHER_CTX_iv_length(c);
3674 octx->iv = EVP_CIPHER_CTX_iv_noconst(c);
3676 octx->data_buf_len = 0;
3677 octx->aad_buf_len = 0;
3680 case EVP_CTRL_AEAD_SET_IVLEN:
3681 /* IV len must be 1 to 15 */
3682 if (arg <= 0 || arg > 15)
3688 case EVP_CTRL_AEAD_SET_TAG:
3690 /* Tag len must be 0 to 16 */
3691 if (arg < 0 || arg > 16)
3697 if (arg != octx->taglen || EVP_CIPHER_CTX_encrypting(c))
3699 memcpy(octx->tag, ptr, arg);
3702 case EVP_CTRL_AEAD_GET_TAG:
3703 if (arg != octx->taglen || !EVP_CIPHER_CTX_encrypting(c))
3706 memcpy(ptr, octx->tag, arg);
3710 newc = (EVP_CIPHER_CTX *)ptr;
3711 new_octx = EVP_C_DATA(EVP_AES_OCB_CTX,newc);
3712 return CRYPTO_ocb128_copy_ctx(&new_octx->ocb, &octx->ocb,
3713 &new_octx->ksenc.ks,
3714 &new_octx->ksdec.ks);
3722 # ifdef HWAES_CAPABLE
3723 # ifdef HWAES_ocb_encrypt
3724 void HWAES_ocb_encrypt(const unsigned char *in, unsigned char *out,
3725 size_t blocks, const void *key,
3726 size_t start_block_num,
3727 unsigned char offset_i[16],
3728 const unsigned char L_[][16],
3729 unsigned char checksum[16]);
3731 # define HWAES_ocb_encrypt ((ocb128_f)NULL)
3733 # ifdef HWAES_ocb_decrypt
3734 void HWAES_ocb_decrypt(const unsigned char *in, unsigned char *out,
3735 size_t blocks, const void *key,
3736 size_t start_block_num,
3737 unsigned char offset_i[16],
3738 const unsigned char L_[][16],
3739 unsigned char checksum[16]);
3741 # define HWAES_ocb_decrypt ((ocb128_f)NULL)
3745 static int aes_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
3746 const unsigned char *iv, int enc)
3748 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
3754 * We set both the encrypt and decrypt key here because decrypt
3755 * needs both. We could possibly optimise to remove setting the
3756 * decrypt for an encryption operation.
3758 # ifdef HWAES_CAPABLE
3759 if (HWAES_CAPABLE) {
3760 HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
3762 HWAES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
3764 if (!CRYPTO_ocb128_init(&octx->ocb,
3765 &octx->ksenc.ks, &octx->ksdec.ks,
3766 (block128_f) HWAES_encrypt,
3767 (block128_f) HWAES_decrypt,
3768 enc ? HWAES_ocb_encrypt
3769 : HWAES_ocb_decrypt))
3774 # ifdef VPAES_CAPABLE
3775 if (VPAES_CAPABLE) {
3776 vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
3778 vpaes_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
3780 if (!CRYPTO_ocb128_init(&octx->ocb,
3781 &octx->ksenc.ks, &octx->ksdec.ks,
3782 (block128_f) vpaes_encrypt,
3783 (block128_f) vpaes_decrypt,
3789 AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
3791 AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
3793 if (!CRYPTO_ocb128_init(&octx->ocb,
3794 &octx->ksenc.ks, &octx->ksdec.ks,
3795 (block128_f) AES_encrypt,
3796 (block128_f) AES_decrypt,
3803 * If we have an iv we can set it directly, otherwise use saved IV.
3805 if (iv == NULL && octx->iv_set)
3808 if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen)
3815 /* If key set use IV, otherwise copy */
3817 CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen);
3819 memcpy(octx->iv, iv, octx->ivlen);
3825 static int aes_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
3826 const unsigned char *in, size_t len)
3830 int written_len = 0;
3831 size_t trailing_len;
3832 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx);
3834 /* If IV or Key not set then return error */
3843 * Need to ensure we are only passing full blocks to low level OCB
3844 * routines. We do it here rather than in EVP_EncryptUpdate/
3845 * EVP_DecryptUpdate because we need to pass full blocks of AAD too
3846 * and those routines don't support that
3849 /* Are we dealing with AAD or normal data here? */
3851 buf = octx->aad_buf;
3852 buf_len = &(octx->aad_buf_len);
3854 buf = octx->data_buf;
3855 buf_len = &(octx->data_buf_len);
3857 if (is_partially_overlapping(out + *buf_len, in, len)) {
3858 EVPerr(EVP_F_AES_OCB_CIPHER, EVP_R_PARTIALLY_OVERLAPPING);
3864 * If we've got a partially filled buffer from a previous call then
3865 * use that data first
3868 unsigned int remaining;
3870 remaining = AES_BLOCK_SIZE - (*buf_len);
3871 if (remaining > len) {
3872 memcpy(buf + (*buf_len), in, len);
3876 memcpy(buf + (*buf_len), in, remaining);
3879 * If we get here we've filled the buffer, so process it
3884 if (!CRYPTO_ocb128_aad(&octx->ocb, buf, AES_BLOCK_SIZE))
3886 } else if (EVP_CIPHER_CTX_encrypting(ctx)) {
3887 if (!CRYPTO_ocb128_encrypt(&octx->ocb, buf, out,
3891 if (!CRYPTO_ocb128_decrypt(&octx->ocb, buf, out,
3895 written_len = AES_BLOCK_SIZE;
3898 out += AES_BLOCK_SIZE;
3901 /* Do we have a partial block to handle at the end? */
3902 trailing_len = len % AES_BLOCK_SIZE;
3905 * If we've got some full blocks to handle, then process these first
3907 if (len != trailing_len) {
3909 if (!CRYPTO_ocb128_aad(&octx->ocb, in, len - trailing_len))
3911 } else if (EVP_CIPHER_CTX_encrypting(ctx)) {
3912 if (!CRYPTO_ocb128_encrypt
3913 (&octx->ocb, in, out, len - trailing_len))
3916 if (!CRYPTO_ocb128_decrypt
3917 (&octx->ocb, in, out, len - trailing_len))
3920 written_len += len - trailing_len;
3921 in += len - trailing_len;
3924 /* Handle any trailing partial block */
3925 if (trailing_len > 0) {
3926 memcpy(buf, in, trailing_len);
3927 *buf_len = trailing_len;
3933 * First of all empty the buffer of any partial block that we might
3934 * have been provided - both for data and AAD
3936 if (octx->data_buf_len > 0) {
3937 if (EVP_CIPHER_CTX_encrypting(ctx)) {
3938 if (!CRYPTO_ocb128_encrypt(&octx->ocb, octx->data_buf, out,
3939 octx->data_buf_len))
3942 if (!CRYPTO_ocb128_decrypt(&octx->ocb, octx->data_buf, out,
3943 octx->data_buf_len))
3946 written_len = octx->data_buf_len;
3947 octx->data_buf_len = 0;
3949 if (octx->aad_buf_len > 0) {
3950 if (!CRYPTO_ocb128_aad
3951 (&octx->ocb, octx->aad_buf, octx->aad_buf_len))
3953 octx->aad_buf_len = 0;
3955 /* If decrypting then verify */
3956 if (!EVP_CIPHER_CTX_encrypting(ctx)) {
3957 if (octx->taglen < 0)
3959 if (CRYPTO_ocb128_finish(&octx->ocb,
3960 octx->tag, octx->taglen) != 0)
3965 /* If encrypting then just get the tag */
3966 if (CRYPTO_ocb128_tag(&octx->ocb, octx->tag, 16) != 1)
3968 /* Don't reuse the IV */
3974 static int aes_ocb_cleanup(EVP_CIPHER_CTX *c)
3976 EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,c);
3977 CRYPTO_ocb128_cleanup(&octx->ocb);
3981 BLOCK_CIPHER_custom(NID_aes, 128, 16, 12, ocb, OCB,
3982 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
3983 BLOCK_CIPHER_custom(NID_aes, 192, 16, 12, ocb, OCB,
3984 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
3985 BLOCK_CIPHER_custom(NID_aes, 256, 16, 12, ocb, OCB,
3986 EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS)
3987 #endif /* OPENSSL_NO_OCB */