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8a97a330 AP |
1 | /* ==================================================================== |
2 | * Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved. | |
3 | * | |
4 | * Redistribution and use in source and binary forms, with or without | |
5 | * modification, are permitted provided that the following conditions | |
6 | * are met: | |
7 | * | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * | |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in | |
13 | * the documentation and/or other materials provided with the | |
14 | * distribution. | |
15 | * | |
16 | * 3. All advertising materials mentioning features or use of this | |
17 | * software must display the following acknowledgment: | |
18 | * "This product includes software developed by the OpenSSL Project | |
19 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
20 | * | |
21 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
22 | * endorse or promote products derived from this software without | |
23 | * prior written permission. For written permission, please contact | |
24 | * licensing@OpenSSL.org. | |
25 | * | |
26 | * 5. Products derived from this software may not be called "OpenSSL" | |
27 | * nor may "OpenSSL" appear in their names without prior written | |
28 | * permission of the OpenSSL Project. | |
29 | * | |
30 | * 6. Redistributions of any form whatsoever must retain the following | |
31 | * acknowledgment: | |
32 | * "This product includes software developed by the OpenSSL Project | |
33 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
34 | * | |
35 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
36 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
37 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
38 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
39 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
40 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
41 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
42 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
43 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
44 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
45 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
46 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
47 | * ==================================================================== | |
48 | */ | |
49 | ||
50 | #include <openssl/opensslconf.h> | |
51 | ||
52 | #include <stdio.h> | |
53 | #include <string.h> | |
54 | ||
0f113f3e | 55 | |
5158c763 MC |
56 | #include <openssl/evp.h> |
57 | #include <openssl/objects.h> | |
58 | #include <openssl/aes.h> | |
59 | #include <openssl/sha.h> | |
60 | #include <openssl/rand.h> | |
61 | #include "modes_lcl.h" | |
70428ead | 62 | #include "internal/constant_time_locl.h" |
5158c763 MC |
63 | #include "internal/evp_int.h" |
64 | ||
65 | #ifndef EVP_CIPH_FLAG_AEAD_CIPHER | |
66 | # define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000 | |
67 | # define EVP_CTRL_AEAD_TLS1_AAD 0x16 | |
68 | # define EVP_CTRL_AEAD_SET_MAC_KEY 0x17 | |
69 | #endif | |
0f113f3e | 70 | |
5158c763 MC |
71 | #if !defined(EVP_CIPH_FLAG_DEFAULT_ASN1) |
72 | # define EVP_CIPH_FLAG_DEFAULT_ASN1 0 | |
73 | #endif | |
74 | ||
75 | #if !defined(EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK) | |
76 | # define EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK 0 | |
77 | #endif | |
0f113f3e | 78 | |
5158c763 | 79 | #define TLS1_1_VERSION 0x0302 |
0f113f3e MC |
80 | |
81 | typedef struct { | |
82 | AES_KEY ks; | |
83 | SHA256_CTX head, tail, md; | |
84 | size_t payload_length; /* AAD length in decrypt case */ | |
8a97a330 | 85 | union { |
0f113f3e MC |
86 | unsigned int tls_ver; |
87 | unsigned char tls_aad[16]; /* 13 used */ | |
8a97a330 | 88 | } aux; |
0f113f3e | 89 | } EVP_AES_HMAC_SHA256; |
8a97a330 | 90 | |
0f113f3e | 91 | # define NO_PAYLOAD_LENGTH ((size_t)-1) |
8a97a330 | 92 | |
5158c763 | 93 | #if defined(AES_ASM) && ( \ |
0f113f3e | 94 | defined(__x86_64) || defined(__x86_64__) || \ |
b1a07c38 | 95 | defined(_M_AMD64) || defined(_M_X64) ) |
8a97a330 | 96 | |
f0fa5c83 | 97 | extern unsigned int OPENSSL_ia32cap_P[]; |
5158c763 | 98 | # define AESNI_CAPABLE (1<<(57-32)) |
8a97a330 AP |
99 | |
100 | int aesni_set_encrypt_key(const unsigned char *userKey, int bits, | |
0f113f3e | 101 | AES_KEY *key); |
8a97a330 | 102 | int aesni_set_decrypt_key(const unsigned char *userKey, int bits, |
0f113f3e | 103 | AES_KEY *key); |
8a97a330 AP |
104 | |
105 | void aesni_cbc_encrypt(const unsigned char *in, | |
0f113f3e MC |
106 | unsigned char *out, |
107 | size_t length, | |
108 | const AES_KEY *key, unsigned char *ivec, int enc); | |
8a97a330 | 109 | |
0f113f3e MC |
110 | int aesni_cbc_sha256_enc(const void *inp, void *out, size_t blocks, |
111 | const AES_KEY *key, unsigned char iv[16], | |
112 | SHA256_CTX *ctx, const void *in0); | |
8a97a330 | 113 | |
5158c763 | 114 | # define data(ctx) ((EVP_AES_HMAC_SHA256 *)EVP_CIPHER_CTX_get_cipher_data(ctx)) |
8a97a330 AP |
115 | |
116 | static int aesni_cbc_hmac_sha256_init_key(EVP_CIPHER_CTX *ctx, | |
0f113f3e MC |
117 | const unsigned char *inkey, |
118 | const unsigned char *iv, int enc) | |
119 | { | |
120 | EVP_AES_HMAC_SHA256 *key = data(ctx); | |
121 | int ret; | |
8a97a330 | 122 | |
0f113f3e MC |
123 | if (enc) |
124 | memset(&key->ks, 0, sizeof(key->ks.rd_key)), | |
936166af RL |
125 | ret = aesni_set_encrypt_key(inkey, |
126 | EVP_CIPHER_CTX_key_length(ctx) * 8, | |
127 | &key->ks); | |
0f113f3e | 128 | else |
936166af RL |
129 | ret = aesni_set_decrypt_key(inkey, |
130 | EVP_CIPHER_CTX_key_length(ctx) * 8, | |
131 | &key->ks); | |
8a97a330 | 132 | |
0f113f3e MC |
133 | SHA256_Init(&key->head); /* handy when benchmarking */ |
134 | key->tail = key->head; | |
135 | key->md = key->head; | |
8a97a330 | 136 | |
0f113f3e | 137 | key->payload_length = NO_PAYLOAD_LENGTH; |
8a97a330 | 138 | |
0f113f3e MC |
139 | return ret < 0 ? 0 : 1; |
140 | } | |
8a97a330 | 141 | |
5158c763 | 142 | # define STITCHED_CALL |
8a97a330 | 143 | |
5158c763 MC |
144 | # if !defined(STITCHED_CALL) |
145 | # define aes_off 0 | |
146 | # endif | |
8a97a330 | 147 | |
0f113f3e | 148 | void sha256_block_data_order(void *c, const void *p, size_t len); |
8a97a330 | 149 | |
0f113f3e MC |
150 | static void sha256_update(SHA256_CTX *c, const void *data, size_t len) |
151 | { | |
152 | const unsigned char *ptr = data; | |
153 | size_t res; | |
154 | ||
155 | if ((res = c->num)) { | |
156 | res = SHA256_CBLOCK - res; | |
157 | if (len < res) | |
158 | res = len; | |
159 | SHA256_Update(c, ptr, res); | |
160 | ptr += res; | |
161 | len -= res; | |
162 | } | |
163 | ||
164 | res = len % SHA256_CBLOCK; | |
165 | len -= res; | |
166 | ||
167 | if (len) { | |
168 | sha256_block_data_order(c, ptr, len / SHA256_CBLOCK); | |
169 | ||
170 | ptr += len; | |
171 | c->Nh += len >> 29; | |
172 | c->Nl += len <<= 3; | |
173 | if (c->Nl < (unsigned int)len) | |
174 | c->Nh++; | |
175 | } | |
176 | ||
177 | if (res) | |
178 | SHA256_Update(c, ptr, res); | |
8a97a330 AP |
179 | } |
180 | ||
5158c763 MC |
181 | # ifdef SHA256_Update |
182 | # undef SHA256_Update | |
183 | # endif | |
184 | # define SHA256_Update sha256_update | |
8a97a330 | 185 | |
5158c763 | 186 | # if !defined(OPENSSL_NO_MULTIBLOCK) && EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK |
7f893258 | 187 | |
0f113f3e MC |
188 | typedef struct { |
189 | unsigned int A[8], B[8], C[8], D[8], E[8], F[8], G[8], H[8]; | |
190 | } SHA256_MB_CTX; | |
191 | typedef struct { | |
192 | const unsigned char *ptr; | |
193 | int blocks; | |
194 | } HASH_DESC; | |
7f893258 | 195 | |
0f113f3e | 196 | void sha256_multi_block(SHA256_MB_CTX *, const HASH_DESC *, int); |
7f893258 | 197 | |
0f113f3e MC |
198 | typedef struct { |
199 | const unsigned char *inp; | |
200 | unsigned char *out; | |
201 | int blocks; | |
202 | u64 iv[2]; | |
203 | } CIPH_DESC; | |
7f893258 | 204 | |
0f113f3e | 205 | void aesni_multi_cbc_encrypt(CIPH_DESC *, void *, int); |
7f893258 | 206 | |
a69c0a1b | 207 | static size_t tls1_1_multi_block_encrypt(EVP_AES_HMAC_SHA256 *key, |
0f113f3e MC |
208 | unsigned char *out, |
209 | const unsigned char *inp, | |
210 | size_t inp_len, int n4x) | |
211 | { /* n4x is 1 or 2 */ | |
212 | HASH_DESC hash_d[8], edges[8]; | |
213 | CIPH_DESC ciph_d[8]; | |
214 | unsigned char storage[sizeof(SHA256_MB_CTX) + 32]; | |
215 | union { | |
216 | u64 q[16]; | |
217 | u32 d[32]; | |
218 | u8 c[128]; | |
219 | } blocks[8]; | |
220 | SHA256_MB_CTX *ctx; | |
221 | unsigned int frag, last, packlen, i, x4 = 4 * n4x, minblocks, processed = | |
222 | 0; | |
223 | size_t ret = 0; | |
224 | u8 *IVs; | |
5158c763 | 225 | # if defined(BSWAP8) |
0f113f3e | 226 | u64 seqnum; |
5158c763 | 227 | # endif |
0f113f3e MC |
228 | |
229 | /* ask for IVs in bulk */ | |
230 | if (RAND_bytes((IVs = blocks[0].c), 16 * x4) <= 0) | |
231 | return 0; | |
232 | ||
233 | /* align */ | |
234 | ctx = (SHA256_MB_CTX *) (storage + 32 - ((size_t)storage % 32)); | |
235 | ||
236 | frag = (unsigned int)inp_len >> (1 + n4x); | |
237 | last = (unsigned int)inp_len + frag - (frag << (1 + n4x)); | |
238 | if (last > frag && ((last + 13 + 9) % 64) < (x4 - 1)) { | |
239 | frag++; | |
240 | last -= x4 - 1; | |
241 | } | |
242 | ||
243 | packlen = 5 + 16 + ((frag + 32 + 16) & -16); | |
244 | ||
245 | /* populate descriptors with pointers and IVs */ | |
246 | hash_d[0].ptr = inp; | |
247 | ciph_d[0].inp = inp; | |
248 | /* 5+16 is place for header and explicit IV */ | |
249 | ciph_d[0].out = out + 5 + 16; | |
250 | memcpy(ciph_d[0].out - 16, IVs, 16); | |
251 | memcpy(ciph_d[0].iv, IVs, 16); | |
252 | IVs += 16; | |
253 | ||
254 | for (i = 1; i < x4; i++) { | |
255 | ciph_d[i].inp = hash_d[i].ptr = hash_d[i - 1].ptr + frag; | |
256 | ciph_d[i].out = ciph_d[i - 1].out + packlen; | |
257 | memcpy(ciph_d[i].out - 16, IVs, 16); | |
258 | memcpy(ciph_d[i].iv, IVs, 16); | |
259 | IVs += 16; | |
260 | } | |
261 | ||
5158c763 | 262 | # if defined(BSWAP8) |
0f113f3e MC |
263 | memcpy(blocks[0].c, key->md.data, 8); |
264 | seqnum = BSWAP8(blocks[0].q[0]); | |
5158c763 | 265 | # endif |
0f113f3e MC |
266 | for (i = 0; i < x4; i++) { |
267 | unsigned int len = (i == (x4 - 1) ? last : frag); | |
5158c763 | 268 | # if !defined(BSWAP8) |
0f113f3e | 269 | unsigned int carry, j; |
5158c763 | 270 | # endif |
0f113f3e MC |
271 | |
272 | ctx->A[i] = key->md.h[0]; | |
273 | ctx->B[i] = key->md.h[1]; | |
274 | ctx->C[i] = key->md.h[2]; | |
275 | ctx->D[i] = key->md.h[3]; | |
276 | ctx->E[i] = key->md.h[4]; | |
277 | ctx->F[i] = key->md.h[5]; | |
278 | ctx->G[i] = key->md.h[6]; | |
279 | ctx->H[i] = key->md.h[7]; | |
280 | ||
281 | /* fix seqnum */ | |
5158c763 | 282 | # if defined(BSWAP8) |
0f113f3e | 283 | blocks[i].q[0] = BSWAP8(seqnum + i); |
5158c763 | 284 | # else |
0f113f3e MC |
285 | for (carry = i, j = 8; j--;) { |
286 | blocks[i].c[j] = ((u8 *)key->md.data)[j] + carry; | |
287 | carry = (blocks[i].c[j] - carry) >> (sizeof(carry) * 8 - 1); | |
288 | } | |
5158c763 | 289 | # endif |
0f113f3e MC |
290 | blocks[i].c[8] = ((u8 *)key->md.data)[8]; |
291 | blocks[i].c[9] = ((u8 *)key->md.data)[9]; | |
292 | blocks[i].c[10] = ((u8 *)key->md.data)[10]; | |
293 | /* fix length */ | |
294 | blocks[i].c[11] = (u8)(len >> 8); | |
295 | blocks[i].c[12] = (u8)(len); | |
296 | ||
297 | memcpy(blocks[i].c + 13, hash_d[i].ptr, 64 - 13); | |
298 | hash_d[i].ptr += 64 - 13; | |
299 | hash_d[i].blocks = (len - (64 - 13)) / 64; | |
300 | ||
301 | edges[i].ptr = blocks[i].c; | |
302 | edges[i].blocks = 1; | |
303 | } | |
304 | ||
305 | /* hash 13-byte headers and first 64-13 bytes of inputs */ | |
306 | sha256_multi_block(ctx, edges, n4x); | |
307 | /* hash bulk inputs */ | |
5158c763 MC |
308 | # define MAXCHUNKSIZE 2048 |
309 | # if MAXCHUNKSIZE%64 | |
310 | # error "MAXCHUNKSIZE is not divisible by 64" | |
311 | # elif MAXCHUNKSIZE | |
0f113f3e MC |
312 | /* |
313 | * goal is to minimize pressure on L1 cache by moving in shorter steps, | |
314 | * so that hashed data is still in the cache by the time we encrypt it | |
315 | */ | |
316 | minblocks = ((frag <= last ? frag : last) - (64 - 13)) / 64; | |
317 | if (minblocks > MAXCHUNKSIZE / 64) { | |
318 | for (i = 0; i < x4; i++) { | |
319 | edges[i].ptr = hash_d[i].ptr; | |
320 | edges[i].blocks = MAXCHUNKSIZE / 64; | |
321 | ciph_d[i].blocks = MAXCHUNKSIZE / 16; | |
322 | } | |
323 | do { | |
324 | sha256_multi_block(ctx, edges, n4x); | |
325 | aesni_multi_cbc_encrypt(ciph_d, &key->ks, n4x); | |
326 | ||
327 | for (i = 0; i < x4; i++) { | |
328 | edges[i].ptr = hash_d[i].ptr += MAXCHUNKSIZE; | |
329 | hash_d[i].blocks -= MAXCHUNKSIZE / 64; | |
330 | edges[i].blocks = MAXCHUNKSIZE / 64; | |
331 | ciph_d[i].inp += MAXCHUNKSIZE; | |
332 | ciph_d[i].out += MAXCHUNKSIZE; | |
333 | ciph_d[i].blocks = MAXCHUNKSIZE / 16; | |
334 | memcpy(ciph_d[i].iv, ciph_d[i].out - 16, 16); | |
335 | } | |
336 | processed += MAXCHUNKSIZE; | |
337 | minblocks -= MAXCHUNKSIZE / 64; | |
338 | } while (minblocks > MAXCHUNKSIZE / 64); | |
339 | } | |
5158c763 MC |
340 | # endif |
341 | # undef MAXCHUNKSIZE | |
0f113f3e MC |
342 | sha256_multi_block(ctx, hash_d, n4x); |
343 | ||
344 | memset(blocks, 0, sizeof(blocks)); | |
345 | for (i = 0; i < x4; i++) { | |
346 | unsigned int len = (i == (x4 - 1) ? last : frag), | |
347 | off = hash_d[i].blocks * 64; | |
348 | const unsigned char *ptr = hash_d[i].ptr + off; | |
349 | ||
350 | off = (len - processed) - (64 - 13) - off; /* remainder actually */ | |
351 | memcpy(blocks[i].c, ptr, off); | |
352 | blocks[i].c[off] = 0x80; | |
353 | len += 64 + 13; /* 64 is HMAC header */ | |
354 | len *= 8; /* convert to bits */ | |
355 | if (off < (64 - 8)) { | |
5158c763 | 356 | # ifdef BSWAP4 |
0f113f3e | 357 | blocks[i].d[15] = BSWAP4(len); |
5158c763 | 358 | # else |
0f113f3e | 359 | PUTU32(blocks[i].c + 60, len); |
5158c763 | 360 | # endif |
0f113f3e MC |
361 | edges[i].blocks = 1; |
362 | } else { | |
5158c763 | 363 | # ifdef BSWAP4 |
0f113f3e | 364 | blocks[i].d[31] = BSWAP4(len); |
5158c763 | 365 | # else |
0f113f3e | 366 | PUTU32(blocks[i].c + 124, len); |
5158c763 | 367 | # endif |
0f113f3e MC |
368 | edges[i].blocks = 2; |
369 | } | |
370 | edges[i].ptr = blocks[i].c; | |
371 | } | |
372 | ||
373 | /* hash input tails and finalize */ | |
374 | sha256_multi_block(ctx, edges, n4x); | |
375 | ||
376 | memset(blocks, 0, sizeof(blocks)); | |
377 | for (i = 0; i < x4; i++) { | |
5158c763 | 378 | # ifdef BSWAP4 |
0f113f3e MC |
379 | blocks[i].d[0] = BSWAP4(ctx->A[i]); |
380 | ctx->A[i] = key->tail.h[0]; | |
381 | blocks[i].d[1] = BSWAP4(ctx->B[i]); | |
382 | ctx->B[i] = key->tail.h[1]; | |
383 | blocks[i].d[2] = BSWAP4(ctx->C[i]); | |
384 | ctx->C[i] = key->tail.h[2]; | |
385 | blocks[i].d[3] = BSWAP4(ctx->D[i]); | |
386 | ctx->D[i] = key->tail.h[3]; | |
387 | blocks[i].d[4] = BSWAP4(ctx->E[i]); | |
388 | ctx->E[i] = key->tail.h[4]; | |
389 | blocks[i].d[5] = BSWAP4(ctx->F[i]); | |
390 | ctx->F[i] = key->tail.h[5]; | |
391 | blocks[i].d[6] = BSWAP4(ctx->G[i]); | |
392 | ctx->G[i] = key->tail.h[6]; | |
393 | blocks[i].d[7] = BSWAP4(ctx->H[i]); | |
394 | ctx->H[i] = key->tail.h[7]; | |
395 | blocks[i].c[32] = 0x80; | |
396 | blocks[i].d[15] = BSWAP4((64 + 32) * 8); | |
5158c763 | 397 | # else |
0f113f3e MC |
398 | PUTU32(blocks[i].c + 0, ctx->A[i]); |
399 | ctx->A[i] = key->tail.h[0]; | |
400 | PUTU32(blocks[i].c + 4, ctx->B[i]); | |
401 | ctx->B[i] = key->tail.h[1]; | |
402 | PUTU32(blocks[i].c + 8, ctx->C[i]); | |
403 | ctx->C[i] = key->tail.h[2]; | |
404 | PUTU32(blocks[i].c + 12, ctx->D[i]); | |
405 | ctx->D[i] = key->tail.h[3]; | |
406 | PUTU32(blocks[i].c + 16, ctx->E[i]); | |
407 | ctx->E[i] = key->tail.h[4]; | |
408 | PUTU32(blocks[i].c + 20, ctx->F[i]); | |
409 | ctx->F[i] = key->tail.h[5]; | |
410 | PUTU32(blocks[i].c + 24, ctx->G[i]); | |
411 | ctx->G[i] = key->tail.h[6]; | |
412 | PUTU32(blocks[i].c + 28, ctx->H[i]); | |
413 | ctx->H[i] = key->tail.h[7]; | |
414 | blocks[i].c[32] = 0x80; | |
415 | PUTU32(blocks[i].c + 60, (64 + 32) * 8); | |
5158c763 | 416 | # endif |
0f113f3e MC |
417 | edges[i].ptr = blocks[i].c; |
418 | edges[i].blocks = 1; | |
419 | } | |
420 | ||
421 | /* finalize MACs */ | |
422 | sha256_multi_block(ctx, edges, n4x); | |
423 | ||
424 | for (i = 0; i < x4; i++) { | |
425 | unsigned int len = (i == (x4 - 1) ? last : frag), pad, j; | |
426 | unsigned char *out0 = out; | |
427 | ||
428 | memcpy(ciph_d[i].out, ciph_d[i].inp, len - processed); | |
429 | ciph_d[i].inp = ciph_d[i].out; | |
430 | ||
431 | out += 5 + 16 + len; | |
432 | ||
433 | /* write MAC */ | |
434 | PUTU32(out + 0, ctx->A[i]); | |
435 | PUTU32(out + 4, ctx->B[i]); | |
436 | PUTU32(out + 8, ctx->C[i]); | |
437 | PUTU32(out + 12, ctx->D[i]); | |
438 | PUTU32(out + 16, ctx->E[i]); | |
439 | PUTU32(out + 20, ctx->F[i]); | |
440 | PUTU32(out + 24, ctx->G[i]); | |
441 | PUTU32(out + 28, ctx->H[i]); | |
442 | out += 32; | |
443 | len += 32; | |
444 | ||
445 | /* pad */ | |
446 | pad = 15 - len % 16; | |
447 | for (j = 0; j <= pad; j++) | |
448 | *(out++) = pad; | |
449 | len += pad + 1; | |
450 | ||
451 | ciph_d[i].blocks = (len - processed) / 16; | |
452 | len += 16; /* account for explicit iv */ | |
453 | ||
454 | /* arrange header */ | |
455 | out0[0] = ((u8 *)key->md.data)[8]; | |
456 | out0[1] = ((u8 *)key->md.data)[9]; | |
457 | out0[2] = ((u8 *)key->md.data)[10]; | |
458 | out0[3] = (u8)(len >> 8); | |
459 | out0[4] = (u8)(len); | |
460 | ||
461 | ret += len + 5; | |
462 | inp += frag; | |
463 | } | |
464 | ||
465 | aesni_multi_cbc_encrypt(ciph_d, &key->ks, n4x); | |
466 | ||
467 | OPENSSL_cleanse(blocks, sizeof(blocks)); | |
468 | OPENSSL_cleanse(ctx, sizeof(*ctx)); | |
469 | ||
470 | return ret; | |
7f893258 | 471 | } |
5158c763 | 472 | # endif |
7f893258 | 473 | |
0f113f3e MC |
474 | static int aesni_cbc_hmac_sha256_cipher(EVP_CIPHER_CTX *ctx, |
475 | unsigned char *out, | |
476 | const unsigned char *in, size_t len) | |
477 | { | |
478 | EVP_AES_HMAC_SHA256 *key = data(ctx); | |
479 | unsigned int l; | |
480 | size_t plen = key->payload_length, iv = 0, /* explicit IV in TLS 1.1 and | |
481 | * later */ | |
482 | sha_off = 0; | |
5158c763 | 483 | # if defined(STITCHED_CALL) |
0f113f3e MC |
484 | size_t aes_off = 0, blocks; |
485 | ||
486 | sha_off = SHA256_CBLOCK - key->md.num; | |
5158c763 | 487 | # endif |
0f113f3e MC |
488 | |
489 | key->payload_length = NO_PAYLOAD_LENGTH; | |
490 | ||
491 | if (len % AES_BLOCK_SIZE) | |
492 | return 0; | |
493 | ||
936166af | 494 | if (EVP_CIPHER_CTX_encrypting(ctx)) { |
0f113f3e MC |
495 | if (plen == NO_PAYLOAD_LENGTH) |
496 | plen = len; | |
497 | else if (len != | |
498 | ((plen + SHA256_DIGEST_LENGTH + | |
499 | AES_BLOCK_SIZE) & -AES_BLOCK_SIZE)) | |
500 | return 0; | |
501 | else if (key->aux.tls_ver >= TLS1_1_VERSION) | |
502 | iv = AES_BLOCK_SIZE; | |
503 | ||
5158c763 | 504 | # if defined(STITCHED_CALL) |
a5fd24d1 AP |
505 | /* |
506 | * Assembly stitch handles AVX-capable processors, but its | |
507 | * performance is not optimal on AMD Jaguar, ~40% worse, for | |
508 | * unknown reasons. Incidentally processor in question supports | |
509 | * AVX, but not AMD-specific XOP extension, which can be used | |
510 | * to identify it and avoid stitch invocation. So that after we | |
511 | * establish that current CPU supports AVX, we even see if it's | |
512 | * either even XOP-capable Bulldozer-based or GenuineIntel one. | |
513 | */ | |
0f113f3e | 514 | if (OPENSSL_ia32cap_P[1] & (1 << (60 - 32)) && /* AVX? */ |
a5fd24d1 AP |
515 | ((OPENSSL_ia32cap_P[1] & (1 << (43 - 32))) /* XOP? */ |
516 | | (OPENSSL_ia32cap_P[0] & (1<<30))) && /* "Intel CPU"? */ | |
0f113f3e MC |
517 | plen > (sha_off + iv) && |
518 | (blocks = (plen - (sha_off + iv)) / SHA256_CBLOCK)) { | |
519 | SHA256_Update(&key->md, in + iv, sha_off); | |
520 | ||
521 | (void)aesni_cbc_sha256_enc(in, out, blocks, &key->ks, | |
936166af RL |
522 | EVP_CIPHER_CTX_iv_noconst(ctx), |
523 | &key->md, in + iv + sha_off); | |
0f113f3e MC |
524 | blocks *= SHA256_CBLOCK; |
525 | aes_off += blocks; | |
526 | sha_off += blocks; | |
527 | key->md.Nh += blocks >> 29; | |
528 | key->md.Nl += blocks <<= 3; | |
529 | if (key->md.Nl < (unsigned int)blocks) | |
530 | key->md.Nh++; | |
531 | } else { | |
532 | sha_off = 0; | |
533 | } | |
5158c763 | 534 | # endif |
0f113f3e MC |
535 | sha_off += iv; |
536 | SHA256_Update(&key->md, in + sha_off, plen - sha_off); | |
537 | ||
538 | if (plen != len) { /* "TLS" mode of operation */ | |
539 | if (in != out) | |
540 | memcpy(out + aes_off, in + aes_off, plen - aes_off); | |
541 | ||
542 | /* calculate HMAC and append it to payload */ | |
543 | SHA256_Final(out + plen, &key->md); | |
544 | key->md = key->tail; | |
545 | SHA256_Update(&key->md, out + plen, SHA256_DIGEST_LENGTH); | |
546 | SHA256_Final(out + plen, &key->md); | |
547 | ||
548 | /* pad the payload|hmac */ | |
549 | plen += SHA256_DIGEST_LENGTH; | |
550 | for (l = len - plen - 1; plen < len; plen++) | |
551 | out[plen] = l; | |
552 | /* encrypt HMAC|padding at once */ | |
553 | aesni_cbc_encrypt(out + aes_off, out + aes_off, len - aes_off, | |
936166af | 554 | &key->ks, EVP_CIPHER_CTX_iv_noconst(ctx), 1); |
0f113f3e MC |
555 | } else { |
556 | aesni_cbc_encrypt(in + aes_off, out + aes_off, len - aes_off, | |
936166af | 557 | &key->ks, EVP_CIPHER_CTX_iv_noconst(ctx), 1); |
0f113f3e MC |
558 | } |
559 | } else { | |
560 | union { | |
561 | unsigned int u[SHA256_DIGEST_LENGTH / sizeof(unsigned int)]; | |
562 | unsigned char c[64 + SHA256_DIGEST_LENGTH]; | |
563 | } mac, *pmac; | |
564 | ||
565 | /* arrange cache line alignment */ | |
566 | pmac = (void *)(((size_t)mac.c + 63) & ((size_t)0 - 64)); | |
567 | ||
568 | /* decrypt HMAC|padding at once */ | |
936166af RL |
569 | aesni_cbc_encrypt(in, out, len, &key->ks, |
570 | EVP_CIPHER_CTX_iv_noconst(ctx), 0); | |
0f113f3e MC |
571 | |
572 | if (plen != NO_PAYLOAD_LENGTH) { /* "TLS" mode of operation */ | |
573 | size_t inp_len, mask, j, i; | |
574 | unsigned int res, maxpad, pad, bitlen; | |
575 | int ret = 1; | |
576 | union { | |
577 | unsigned int u[SHA_LBLOCK]; | |
578 | unsigned char c[SHA256_CBLOCK]; | |
579 | } *data = (void *)key->md.data; | |
580 | ||
581 | if ((key->aux.tls_aad[plen - 4] << 8 | key->aux.tls_aad[plen - 3]) | |
582 | >= TLS1_1_VERSION) | |
583 | iv = AES_BLOCK_SIZE; | |
584 | ||
585 | if (len < (iv + SHA256_DIGEST_LENGTH + 1)) | |
586 | return 0; | |
587 | ||
588 | /* omit explicit iv */ | |
589 | out += iv; | |
590 | len -= iv; | |
591 | ||
592 | /* figure out payload length */ | |
593 | pad = out[len - 1]; | |
594 | maxpad = len - (SHA256_DIGEST_LENGTH + 1); | |
595 | maxpad |= (255 - maxpad) >> (sizeof(maxpad) * 8 - 8); | |
596 | maxpad &= 255; | |
597 | ||
70428ead KR |
598 | ret &= constant_time_ge(maxpad, pad); |
599 | ||
0f113f3e MC |
600 | inp_len = len - (SHA256_DIGEST_LENGTH + pad + 1); |
601 | mask = (0 - ((inp_len - len) >> (sizeof(inp_len) * 8 - 1))); | |
602 | inp_len &= mask; | |
603 | ret &= (int)mask; | |
604 | ||
605 | key->aux.tls_aad[plen - 2] = inp_len >> 8; | |
606 | key->aux.tls_aad[plen - 1] = inp_len; | |
607 | ||
608 | /* calculate HMAC */ | |
609 | key->md = key->head; | |
610 | SHA256_Update(&key->md, key->aux.tls_aad, plen); | |
611 | ||
5158c763 | 612 | # if 1 |
0f113f3e MC |
613 | len -= SHA256_DIGEST_LENGTH; /* amend mac */ |
614 | if (len >= (256 + SHA256_CBLOCK)) { | |
615 | j = (len - (256 + SHA256_CBLOCK)) & (0 - SHA256_CBLOCK); | |
616 | j += SHA256_CBLOCK - key->md.num; | |
617 | SHA256_Update(&key->md, out, j); | |
618 | out += j; | |
619 | len -= j; | |
620 | inp_len -= j; | |
621 | } | |
622 | ||
623 | /* but pretend as if we hashed padded payload */ | |
624 | bitlen = key->md.Nl + (inp_len << 3); /* at most 18 bits */ | |
5158c763 | 625 | # ifdef BSWAP4 |
0f113f3e | 626 | bitlen = BSWAP4(bitlen); |
5158c763 | 627 | # else |
0f113f3e MC |
628 | mac.c[0] = 0; |
629 | mac.c[1] = (unsigned char)(bitlen >> 16); | |
630 | mac.c[2] = (unsigned char)(bitlen >> 8); | |
631 | mac.c[3] = (unsigned char)bitlen; | |
632 | bitlen = mac.u[0]; | |
5158c763 | 633 | # endif |
0f113f3e MC |
634 | |
635 | pmac->u[0] = 0; | |
636 | pmac->u[1] = 0; | |
637 | pmac->u[2] = 0; | |
638 | pmac->u[3] = 0; | |
639 | pmac->u[4] = 0; | |
640 | pmac->u[5] = 0; | |
641 | pmac->u[6] = 0; | |
642 | pmac->u[7] = 0; | |
643 | ||
644 | for (res = key->md.num, j = 0; j < len; j++) { | |
645 | size_t c = out[j]; | |
646 | mask = (j - inp_len) >> (sizeof(j) * 8 - 8); | |
647 | c &= mask; | |
648 | c |= 0x80 & ~mask & ~((inp_len - j) >> (sizeof(j) * 8 - 8)); | |
649 | data->c[res++] = (unsigned char)c; | |
650 | ||
651 | if (res != SHA256_CBLOCK) | |
652 | continue; | |
653 | ||
654 | /* j is not incremented yet */ | |
655 | mask = 0 - ((inp_len + 7 - j) >> (sizeof(j) * 8 - 1)); | |
656 | data->u[SHA_LBLOCK - 1] |= bitlen & mask; | |
657 | sha256_block_data_order(&key->md, data, 1); | |
658 | mask &= 0 - ((j - inp_len - 72) >> (sizeof(j) * 8 - 1)); | |
659 | pmac->u[0] |= key->md.h[0] & mask; | |
660 | pmac->u[1] |= key->md.h[1] & mask; | |
661 | pmac->u[2] |= key->md.h[2] & mask; | |
662 | pmac->u[3] |= key->md.h[3] & mask; | |
663 | pmac->u[4] |= key->md.h[4] & mask; | |
664 | pmac->u[5] |= key->md.h[5] & mask; | |
665 | pmac->u[6] |= key->md.h[6] & mask; | |
666 | pmac->u[7] |= key->md.h[7] & mask; | |
667 | res = 0; | |
668 | } | |
669 | ||
670 | for (i = res; i < SHA256_CBLOCK; i++, j++) | |
671 | data->c[i] = 0; | |
672 | ||
673 | if (res > SHA256_CBLOCK - 8) { | |
674 | mask = 0 - ((inp_len + 8 - j) >> (sizeof(j) * 8 - 1)); | |
675 | data->u[SHA_LBLOCK - 1] |= bitlen & mask; | |
676 | sha256_block_data_order(&key->md, data, 1); | |
677 | mask &= 0 - ((j - inp_len - 73) >> (sizeof(j) * 8 - 1)); | |
678 | pmac->u[0] |= key->md.h[0] & mask; | |
679 | pmac->u[1] |= key->md.h[1] & mask; | |
680 | pmac->u[2] |= key->md.h[2] & mask; | |
681 | pmac->u[3] |= key->md.h[3] & mask; | |
682 | pmac->u[4] |= key->md.h[4] & mask; | |
683 | pmac->u[5] |= key->md.h[5] & mask; | |
684 | pmac->u[6] |= key->md.h[6] & mask; | |
685 | pmac->u[7] |= key->md.h[7] & mask; | |
686 | ||
687 | memset(data, 0, SHA256_CBLOCK); | |
688 | j += 64; | |
689 | } | |
690 | data->u[SHA_LBLOCK - 1] = bitlen; | |
691 | sha256_block_data_order(&key->md, data, 1); | |
692 | mask = 0 - ((j - inp_len - 73) >> (sizeof(j) * 8 - 1)); | |
693 | pmac->u[0] |= key->md.h[0] & mask; | |
694 | pmac->u[1] |= key->md.h[1] & mask; | |
695 | pmac->u[2] |= key->md.h[2] & mask; | |
696 | pmac->u[3] |= key->md.h[3] & mask; | |
697 | pmac->u[4] |= key->md.h[4] & mask; | |
698 | pmac->u[5] |= key->md.h[5] & mask; | |
699 | pmac->u[6] |= key->md.h[6] & mask; | |
700 | pmac->u[7] |= key->md.h[7] & mask; | |
701 | ||
5158c763 | 702 | # ifdef BSWAP4 |
0f113f3e MC |
703 | pmac->u[0] = BSWAP4(pmac->u[0]); |
704 | pmac->u[1] = BSWAP4(pmac->u[1]); | |
705 | pmac->u[2] = BSWAP4(pmac->u[2]); | |
706 | pmac->u[3] = BSWAP4(pmac->u[3]); | |
707 | pmac->u[4] = BSWAP4(pmac->u[4]); | |
708 | pmac->u[5] = BSWAP4(pmac->u[5]); | |
709 | pmac->u[6] = BSWAP4(pmac->u[6]); | |
710 | pmac->u[7] = BSWAP4(pmac->u[7]); | |
5158c763 | 711 | # else |
0f113f3e MC |
712 | for (i = 0; i < 8; i++) { |
713 | res = pmac->u[i]; | |
714 | pmac->c[4 * i + 0] = (unsigned char)(res >> 24); | |
715 | pmac->c[4 * i + 1] = (unsigned char)(res >> 16); | |
716 | pmac->c[4 * i + 2] = (unsigned char)(res >> 8); | |
717 | pmac->c[4 * i + 3] = (unsigned char)res; | |
718 | } | |
5158c763 | 719 | # endif |
0f113f3e | 720 | len += SHA256_DIGEST_LENGTH; |
5158c763 | 721 | # else |
0f113f3e MC |
722 | SHA256_Update(&key->md, out, inp_len); |
723 | res = key->md.num; | |
724 | SHA256_Final(pmac->c, &key->md); | |
725 | ||
726 | { | |
727 | unsigned int inp_blocks, pad_blocks; | |
728 | ||
729 | /* but pretend as if we hashed padded payload */ | |
730 | inp_blocks = | |
731 | 1 + ((SHA256_CBLOCK - 9 - res) >> (sizeof(res) * 8 - 1)); | |
732 | res += (unsigned int)(len - inp_len); | |
733 | pad_blocks = res / SHA256_CBLOCK; | |
734 | res %= SHA256_CBLOCK; | |
735 | pad_blocks += | |
736 | 1 + ((SHA256_CBLOCK - 9 - res) >> (sizeof(res) * 8 - 1)); | |
737 | for (; inp_blocks < pad_blocks; inp_blocks++) | |
738 | sha1_block_data_order(&key->md, data, 1); | |
739 | } | |
5158c763 | 740 | # endif |
0f113f3e MC |
741 | key->md = key->tail; |
742 | SHA256_Update(&key->md, pmac->c, SHA256_DIGEST_LENGTH); | |
743 | SHA256_Final(pmac->c, &key->md); | |
744 | ||
745 | /* verify HMAC */ | |
746 | out += inp_len; | |
747 | len -= inp_len; | |
5158c763 | 748 | # if 1 |
0f113f3e MC |
749 | { |
750 | unsigned char *p = | |
751 | out + len - 1 - maxpad - SHA256_DIGEST_LENGTH; | |
752 | size_t off = out - p; | |
753 | unsigned int c, cmask; | |
754 | ||
755 | maxpad += SHA256_DIGEST_LENGTH; | |
756 | for (res = 0, i = 0, j = 0; j < maxpad; j++) { | |
757 | c = p[j]; | |
758 | cmask = | |
759 | ((int)(j - off - SHA256_DIGEST_LENGTH)) >> | |
760 | (sizeof(int) * 8 - 1); | |
761 | res |= (c ^ pad) & ~cmask; /* ... and padding */ | |
762 | cmask &= ((int)(off - 1 - j)) >> (sizeof(int) * 8 - 1); | |
763 | res |= (c ^ pmac->c[i]) & cmask; | |
764 | i += 1 & cmask; | |
765 | } | |
766 | maxpad -= SHA256_DIGEST_LENGTH; | |
767 | ||
768 | res = 0 - ((0 - res) >> (sizeof(res) * 8 - 1)); | |
769 | ret &= (int)~res; | |
770 | } | |
5158c763 | 771 | # else |
0f113f3e MC |
772 | for (res = 0, i = 0; i < SHA256_DIGEST_LENGTH; i++) |
773 | res |= out[i] ^ pmac->c[i]; | |
774 | res = 0 - ((0 - res) >> (sizeof(res) * 8 - 1)); | |
775 | ret &= (int)~res; | |
776 | ||
777 | /* verify padding */ | |
778 | pad = (pad & ~res) | (maxpad & res); | |
779 | out = out + len - 1 - pad; | |
780 | for (res = 0, i = 0; i < pad; i++) | |
781 | res |= out[i] ^ pad; | |
782 | ||
783 | res = (0 - res) >> (sizeof(res) * 8 - 1); | |
784 | ret &= (int)~res; | |
5158c763 | 785 | # endif |
0f113f3e MC |
786 | return ret; |
787 | } else { | |
788 | SHA256_Update(&key->md, out, len); | |
789 | } | |
790 | } | |
791 | ||
792 | return 1; | |
793 | } | |
8a97a330 | 794 | |
0f113f3e MC |
795 | static int aesni_cbc_hmac_sha256_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, |
796 | void *ptr) | |
797 | { | |
798 | EVP_AES_HMAC_SHA256 *key = data(ctx); | |
799 | unsigned int u_arg = (unsigned int)arg; | |
800 | ||
801 | switch (type) { | |
802 | case EVP_CTRL_AEAD_SET_MAC_KEY: | |
803 | { | |
804 | unsigned int i; | |
805 | unsigned char hmac_key[64]; | |
806 | ||
807 | memset(hmac_key, 0, sizeof(hmac_key)); | |
808 | ||
809 | if (arg < 0) | |
810 | return -1; | |
811 | ||
812 | if (u_arg > sizeof(hmac_key)) { | |
813 | SHA256_Init(&key->head); | |
814 | SHA256_Update(&key->head, ptr, arg); | |
815 | SHA256_Final(hmac_key, &key->head); | |
816 | } else { | |
817 | memcpy(hmac_key, ptr, arg); | |
818 | } | |
819 | ||
820 | for (i = 0; i < sizeof(hmac_key); i++) | |
821 | hmac_key[i] ^= 0x36; /* ipad */ | |
822 | SHA256_Init(&key->head); | |
823 | SHA256_Update(&key->head, hmac_key, sizeof(hmac_key)); | |
824 | ||
825 | for (i = 0; i < sizeof(hmac_key); i++) | |
826 | hmac_key[i] ^= 0x36 ^ 0x5c; /* opad */ | |
827 | SHA256_Init(&key->tail); | |
828 | SHA256_Update(&key->tail, hmac_key, sizeof(hmac_key)); | |
829 | ||
830 | OPENSSL_cleanse(hmac_key, sizeof(hmac_key)); | |
831 | ||
832 | return 1; | |
833 | } | |
834 | case EVP_CTRL_AEAD_TLS1_AAD: | |
835 | { | |
836 | unsigned char *p = ptr; | |
837 | unsigned int len = p[arg - 2] << 8 | p[arg - 1]; | |
838 | ||
c8269881 MC |
839 | if (arg != EVP_AEAD_TLS1_AAD_LEN) |
840 | return -1; | |
841 | ||
936166af | 842 | if (EVP_CIPHER_CTX_encrypting(ctx)) { |
0f113f3e MC |
843 | key->payload_length = len; |
844 | if ((key->aux.tls_ver = | |
845 | p[arg - 4] << 8 | p[arg - 3]) >= TLS1_1_VERSION) { | |
846 | len -= AES_BLOCK_SIZE; | |
847 | p[arg - 2] = len >> 8; | |
848 | p[arg - 1] = len; | |
849 | } | |
850 | key->md = key->head; | |
851 | SHA256_Update(&key->md, p, arg); | |
852 | ||
853 | return (int)(((len + SHA256_DIGEST_LENGTH + | |
854 | AES_BLOCK_SIZE) & -AES_BLOCK_SIZE) | |
855 | - len); | |
856 | } else { | |
0f113f3e MC |
857 | memcpy(key->aux.tls_aad, ptr, arg); |
858 | key->payload_length = arg; | |
859 | ||
860 | return SHA256_DIGEST_LENGTH; | |
861 | } | |
862 | } | |
5158c763 | 863 | # if !defined(OPENSSL_NO_MULTIBLOCK) && EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK |
0f113f3e MC |
864 | case EVP_CTRL_TLS1_1_MULTIBLOCK_MAX_BUFSIZE: |
865 | return (int)(5 + 16 + ((arg + 32 + 16) & -16)); | |
866 | case EVP_CTRL_TLS1_1_MULTIBLOCK_AAD: | |
867 | { | |
868 | EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM *param = | |
869 | (EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM *) ptr; | |
870 | unsigned int n4x = 1, x4; | |
871 | unsigned int frag, last, packlen, inp_len; | |
872 | ||
873 | if (arg < 0) | |
874 | return -1; | |
875 | ||
876 | if (u_arg < sizeof(EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM)) | |
877 | return -1; | |
878 | ||
879 | inp_len = param->inp[11] << 8 | param->inp[12]; | |
880 | ||
936166af | 881 | if (EVP_CIPHER_CTX_encrypting(ctx)) { |
0f113f3e MC |
882 | if ((param->inp[9] << 8 | param->inp[10]) < TLS1_1_VERSION) |
883 | return -1; | |
884 | ||
885 | if (inp_len) { | |
886 | if (inp_len < 4096) | |
887 | return 0; /* too short */ | |
888 | ||
889 | if (inp_len >= 8192 && OPENSSL_ia32cap_P[2] & (1 << 5)) | |
890 | n4x = 2; /* AVX2 */ | |
891 | } else if ((n4x = param->interleave / 4) && n4x <= 2) | |
892 | inp_len = param->len; | |
893 | else | |
894 | return -1; | |
895 | ||
896 | key->md = key->head; | |
897 | SHA256_Update(&key->md, param->inp, 13); | |
898 | ||
899 | x4 = 4 * n4x; | |
900 | n4x += 1; | |
901 | ||
902 | frag = inp_len >> n4x; | |
903 | last = inp_len + frag - (frag << n4x); | |
904 | if (last > frag && ((last + 13 + 9) % 64 < (x4 - 1))) { | |
905 | frag++; | |
906 | last -= x4 - 1; | |
907 | } | |
908 | ||
909 | packlen = 5 + 16 + ((frag + 32 + 16) & -16); | |
910 | packlen = (packlen << n4x) - packlen; | |
911 | packlen += 5 + 16 + ((last + 32 + 16) & -16); | |
912 | ||
913 | param->interleave = x4; | |
914 | ||
915 | return (int)packlen; | |
916 | } else | |
917 | return -1; /* not yet */ | |
918 | } | |
919 | case EVP_CTRL_TLS1_1_MULTIBLOCK_ENCRYPT: | |
920 | { | |
921 | EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM *param = | |
922 | (EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM *) ptr; | |
923 | ||
924 | return (int)tls1_1_multi_block_encrypt(key, param->out, | |
925 | param->inp, param->len, | |
926 | param->interleave / 4); | |
927 | } | |
928 | case EVP_CTRL_TLS1_1_MULTIBLOCK_DECRYPT: | |
5158c763 | 929 | # endif |
0f113f3e MC |
930 | default: |
931 | return -1; | |
932 | } | |
933 | } | |
8a97a330 | 934 | |
0f113f3e | 935 | static EVP_CIPHER aesni_128_cbc_hmac_sha256_cipher = { |
5158c763 | 936 | # ifdef NID_aes_128_cbc_hmac_sha256 |
0f113f3e | 937 | NID_aes_128_cbc_hmac_sha256, |
5158c763 | 938 | # else |
0f113f3e | 939 | NID_undef, |
5158c763 | 940 | # endif |
936166af | 941 | AES_BLOCK_SIZE, 16, AES_BLOCK_SIZE, |
0f113f3e MC |
942 | EVP_CIPH_CBC_MODE | EVP_CIPH_FLAG_DEFAULT_ASN1 | |
943 | EVP_CIPH_FLAG_AEAD_CIPHER | EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK, | |
944 | aesni_cbc_hmac_sha256_init_key, | |
945 | aesni_cbc_hmac_sha256_cipher, | |
946 | NULL, | |
947 | sizeof(EVP_AES_HMAC_SHA256), | |
948 | EVP_CIPH_FLAG_DEFAULT_ASN1 ? NULL : EVP_CIPHER_set_asn1_iv, | |
949 | EVP_CIPH_FLAG_DEFAULT_ASN1 ? NULL : EVP_CIPHER_get_asn1_iv, | |
950 | aesni_cbc_hmac_sha256_ctrl, | |
951 | NULL | |
952 | }; | |
953 | ||
954 | static EVP_CIPHER aesni_256_cbc_hmac_sha256_cipher = { | |
5158c763 | 955 | # ifdef NID_aes_256_cbc_hmac_sha256 |
0f113f3e | 956 | NID_aes_256_cbc_hmac_sha256, |
5158c763 | 957 | # else |
0f113f3e | 958 | NID_undef, |
5158c763 | 959 | # endif |
936166af | 960 | AES_BLOCK_SIZE, 32, AES_BLOCK_SIZE, |
0f113f3e MC |
961 | EVP_CIPH_CBC_MODE | EVP_CIPH_FLAG_DEFAULT_ASN1 | |
962 | EVP_CIPH_FLAG_AEAD_CIPHER | EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK, | |
963 | aesni_cbc_hmac_sha256_init_key, | |
964 | aesni_cbc_hmac_sha256_cipher, | |
965 | NULL, | |
966 | sizeof(EVP_AES_HMAC_SHA256), | |
967 | EVP_CIPH_FLAG_DEFAULT_ASN1 ? NULL : EVP_CIPHER_set_asn1_iv, | |
968 | EVP_CIPH_FLAG_DEFAULT_ASN1 ? NULL : EVP_CIPHER_get_asn1_iv, | |
969 | aesni_cbc_hmac_sha256_ctrl, | |
970 | NULL | |
971 | }; | |
8a97a330 AP |
972 | |
973 | const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha256(void) | |
0f113f3e MC |
974 | { |
975 | return ((OPENSSL_ia32cap_P[1] & AESNI_CAPABLE) && | |
976 | aesni_cbc_sha256_enc(NULL, NULL, 0, NULL, NULL, NULL, NULL) ? | |
977 | &aesni_128_cbc_hmac_sha256_cipher : NULL); | |
978 | } | |
8a97a330 AP |
979 | |
980 | const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha256(void) | |
0f113f3e MC |
981 | { |
982 | return ((OPENSSL_ia32cap_P[1] & AESNI_CAPABLE) && | |
983 | aesni_cbc_sha256_enc(NULL, NULL, 0, NULL, NULL, NULL, NULL) ? | |
984 | &aesni_256_cbc_hmac_sha256_cipher : NULL); | |
985 | } | |
5158c763 | 986 | #else |
8a97a330 | 987 | const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha256(void) |
0f113f3e MC |
988 | { |
989 | return NULL; | |
990 | } | |
991 | ||
8a97a330 | 992 | const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha256(void) |
0f113f3e MC |
993 | { |
994 | return NULL; | |
995 | } | |
8a97a330 | 996 | #endif |