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authortb <>2024-03-02 10:13:13 +0000
committertb <>2024-03-02 10:13:13 +0000
commitd7a8734f3bc8f273ccc2d8c7425ebf2f744118af (patch)
tree7c88586c01b489d8d1d146f3e29fe0056bdd8436
parentbb2222e671a46a72a1bbbf44ad27a1183debd4a0 (diff)
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Remove RC4-HMAC-MD5 and AES-{128,256}-CBC-HMAC-SHA-1
"Stitched" mode AEADs were removed from libssl a long time ago. Nothing uses these CIPHERs anymore. ok jsing
Diffstat
-rw-r--r--src/lib/libcrypto/Makefile4
-rw-r--r--src/lib/libcrypto/Symbols.list3
-rw-r--r--src/lib/libcrypto/evp/e_aes_cbc_hmac_sha1.c604
-rw-r--r--src/lib/libcrypto/evp/e_rc4_hmac_md5.c308
-rw-r--r--src/lib/libcrypto/evp/evp.h9
-rw-r--r--src/lib/libcrypto/evp/evp_names.c26
6 files changed, 3 insertions, 951 deletions
diff --git a/src/lib/libcrypto/Makefile b/src/lib/libcrypto/Makefile
index b7fb2d0ff7..457ff381c4 100644
--- a/src/lib/libcrypto/Makefile
+++ b/src/lib/libcrypto/Makefile
@@ -1,4 +1,4 @@
1# $OpenBSD: Makefile,v 1.169 2024/03/02 10:03:12 tb Exp $ 1# $OpenBSD: Makefile,v 1.170 2024/03/02 10:13:12 tb Exp $
2 2
3LIB= crypto 3LIB= crypto
4LIBREBUILD=y 4LIBREBUILD=y
@@ -348,7 +348,6 @@ SRCS+= bio_b64.c
348SRCS+= bio_enc.c 348SRCS+= bio_enc.c
349SRCS+= bio_md.c 349SRCS+= bio_md.c
350SRCS+= e_aes.c 350SRCS+= e_aes.c
351SRCS+= e_aes_cbc_hmac_sha1.c
352SRCS+= e_bf.c 351SRCS+= e_bf.c
353SRCS+= e_camellia.c 352SRCS+= e_camellia.c
354SRCS+= e_cast.c 353SRCS+= e_cast.c
@@ -361,7 +360,6 @@ SRCS+= e_idea.c
361SRCS+= e_null.c 360SRCS+= e_null.c
362SRCS+= e_rc2.c 361SRCS+= e_rc2.c
363SRCS+= e_rc4.c 362SRCS+= e_rc4.c
364SRCS+= e_rc4_hmac_md5.c
365SRCS+= e_sm4.c 363SRCS+= e_sm4.c
366SRCS+= e_xcbc_d.c 364SRCS+= e_xcbc_d.c
367SRCS+= evp_aead.c 365SRCS+= evp_aead.c
diff --git a/src/lib/libcrypto/Symbols.list b/src/lib/libcrypto/Symbols.list
index 3d8f456389..84a38a342d 100644
--- a/src/lib/libcrypto/Symbols.list
+++ b/src/lib/libcrypto/Symbols.list
@@ -1371,7 +1371,6 @@ EVP_aead_aes_256_gcm
1371EVP_aead_chacha20_poly1305 1371EVP_aead_chacha20_poly1305
1372EVP_aead_xchacha20_poly1305 1372EVP_aead_xchacha20_poly1305
1373EVP_aes_128_cbc 1373EVP_aes_128_cbc
1374EVP_aes_128_cbc_hmac_sha1
1375EVP_aes_128_ccm 1374EVP_aes_128_ccm
1376EVP_aes_128_cfb1 1375EVP_aes_128_cfb1
1377EVP_aes_128_cfb128 1376EVP_aes_128_cfb128
@@ -1393,7 +1392,6 @@ EVP_aes_192_gcm
1393EVP_aes_192_ofb 1392EVP_aes_192_ofb
1394EVP_aes_192_wrap 1393EVP_aes_192_wrap
1395EVP_aes_256_cbc 1394EVP_aes_256_cbc
1396EVP_aes_256_cbc_hmac_sha1
1397EVP_aes_256_ccm 1395EVP_aes_256_ccm
1398EVP_aes_256_cfb1 1396EVP_aes_256_cfb1
1399EVP_aes_256_cfb128 1397EVP_aes_256_cfb128
@@ -1477,7 +1475,6 @@ EVP_rc2_ecb
1477EVP_rc2_ofb 1475EVP_rc2_ofb
1478EVP_rc4 1476EVP_rc4
1479EVP_rc4_40 1477EVP_rc4_40
1480EVP_rc4_hmac_md5
1481EVP_read_pw_string 1478EVP_read_pw_string
1482EVP_read_pw_string_min 1479EVP_read_pw_string_min
1483EVP_ripemd160 1480EVP_ripemd160
diff --git a/src/lib/libcrypto/evp/e_aes_cbc_hmac_sha1.c b/src/lib/libcrypto/evp/e_aes_cbc_hmac_sha1.c
deleted file mode 100644
index 4241436451..0000000000
--- a/src/lib/libcrypto/evp/e_aes_cbc_hmac_sha1.c
+++ /dev/null
@@ -1,604 +0,0 @@
1/* $OpenBSD: e_aes_cbc_hmac_sha1.c,v 1.20 2024/01/08 09:31:09 tb Exp $ */
2/* ====================================================================
3 * Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * licensing@OpenSSL.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 */
50
51#include <stdio.h>
52#include <string.h>
53
54#include <openssl/opensslconf.h>
55
56#if !defined(OPENSSL_NO_AES) && !defined(OPENSSL_NO_SHA1)
57
58#include <openssl/evp.h>
59#include <openssl/objects.h>
60#include <openssl/aes.h>
61#include <openssl/sha.h>
62
63#include "constant_time.h"
64#include "evp_local.h"
65
66#define TLS1_1_VERSION 0x0302
67
68typedef struct {
69 AES_KEY ks;
70 SHA_CTX head, tail, md;
71 size_t payload_length; /* AAD length in decrypt case */
72 union {
73 unsigned int tls_ver;
74 unsigned char tls_aad[16]; /* 13 used */
75 } aux;
76} EVP_AES_HMAC_SHA1;
77
78#define NO_PAYLOAD_LENGTH ((size_t)-1)
79
80#if defined(AES_ASM) && ( \
81 defined(__x86_64) || defined(__x86_64__) || \
82 defined(_M_AMD64) || defined(_M_X64) || \
83 defined(__INTEL__) )
84
85#include "x86_arch.h"
86
87#if defined(__GNUC__) && __GNUC__>=2
88# define BSWAP(x) ({ unsigned int r=(x); asm ("bswapl %0":"=r"(r):"0"(r)); r; })
89#endif
90
91int aesni_set_encrypt_key(const unsigned char *userKey, int bits, AES_KEY *key);
92int aesni_set_decrypt_key(const unsigned char *userKey, int bits, AES_KEY *key);
93
94void aesni_cbc_encrypt(const unsigned char *in, unsigned char *out,
95 size_t length, const AES_KEY *key, unsigned char *ivec, int enc);
96
97void aesni_cbc_sha1_enc (const void *inp, void *out, size_t blocks,
98 const AES_KEY *key, unsigned char iv[16], SHA_CTX *ctx, const void *in0);
99
100#define data(ctx) ((EVP_AES_HMAC_SHA1 *)(ctx)->cipher_data)
101
102static int
103aesni_cbc_hmac_sha1_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *inkey,
104 const unsigned char *iv, int enc)
105{
106 EVP_AES_HMAC_SHA1 *key = data(ctx);
107 int ret;
108
109 if (enc)
110 ret = aesni_set_encrypt_key(inkey, ctx->key_len * 8, &key->ks);
111 else
112 ret = aesni_set_decrypt_key(inkey, ctx->key_len * 8, &key->ks);
113
114 SHA1_Init(&key->head); /* handy when benchmarking */
115 key->tail = key->head;
116 key->md = key->head;
117
118 key->payload_length = NO_PAYLOAD_LENGTH;
119
120 return ret < 0 ? 0 : 1;
121}
122
123#define STITCHED_CALL
124
125#if !defined(STITCHED_CALL)
126#define aes_off 0
127#endif
128
129void sha1_block_data_order (void *c, const void *p, size_t len);
130
131static void
132sha1_update(SHA_CTX *c, const void *data, size_t len)
133{
134 const unsigned char *ptr = data;
135 size_t res;
136
137 if ((res = c->num)) {
138 res = SHA_CBLOCK - res;
139 if (len < res)
140 res = len;
141 SHA1_Update(c, ptr, res);
142 ptr += res;
143 len -= res;
144 }
145
146 res = len % SHA_CBLOCK;
147 len -= res;
148
149 if (len) {
150 sha1_block_data_order(c, ptr, len / SHA_CBLOCK);
151
152 ptr += len;
153 c->Nh += len >> 29;
154 c->Nl += len <<= 3;
155 if (c->Nl < (unsigned int)len)
156 c->Nh++;
157 }
158
159 if (res)
160 SHA1_Update(c, ptr, res);
161}
162
163#ifdef SHA1_Update
164#undef SHA1_Update
165#endif
166#define SHA1_Update sha1_update
167
168static int
169aesni_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
170 const unsigned char *in, size_t len)
171{
172 EVP_AES_HMAC_SHA1 *key = data(ctx);
173 unsigned int l;
174 size_t plen = key->payload_length,
175 iv = 0, /* explicit IV in TLS 1.1 and later */
176 sha_off = 0;
177#if defined(STITCHED_CALL)
178 size_t aes_off = 0, blocks;
179
180 sha_off = SHA_CBLOCK - key->md.num;
181#endif
182
183 key->payload_length = NO_PAYLOAD_LENGTH;
184
185 if (len % AES_BLOCK_SIZE)
186 return 0;
187
188 if (ctx->encrypt) {
189 if (plen == NO_PAYLOAD_LENGTH)
190 plen = len;
191 else if (len != ((plen + SHA_DIGEST_LENGTH + AES_BLOCK_SIZE) &
192 -AES_BLOCK_SIZE))
193 return 0;
194 else if (key->aux.tls_ver >= TLS1_1_VERSION)
195 iv = AES_BLOCK_SIZE;
196
197#if defined(STITCHED_CALL)
198 if (plen > (sha_off + iv) &&
199 (blocks = (plen - (sha_off + iv)) / SHA_CBLOCK)) {
200 SHA1_Update(&key->md, in + iv, sha_off);
201
202 aesni_cbc_sha1_enc(in, out, blocks, &key->ks,
203 ctx->iv, &key->md, in + iv + sha_off);
204 blocks *= SHA_CBLOCK;
205 aes_off += blocks;
206 sha_off += blocks;
207 key->md.Nh += blocks >> 29;
208 key->md.Nl += blocks <<= 3;
209 if (key->md.Nl < (unsigned int)blocks)
210 key->md.Nh++;
211 } else {
212 sha_off = 0;
213 }
214#endif
215 sha_off += iv;
216 SHA1_Update(&key->md, in + sha_off, plen - sha_off);
217
218 if (plen != len) { /* "TLS" mode of operation */
219 if (in != out)
220 memcpy(out + aes_off, in + aes_off,
221 plen - aes_off);
222
223 /* calculate HMAC and append it to payload */
224 SHA1_Final(out + plen, &key->md);
225 key->md = key->tail;
226 SHA1_Update(&key->md, out + plen, SHA_DIGEST_LENGTH);
227 SHA1_Final(out + plen, &key->md);
228
229 /* pad the payload|hmac */
230 plen += SHA_DIGEST_LENGTH;
231 for (l = len - plen - 1; plen < len; plen++)
232 out[plen] = l;
233
234 /* encrypt HMAC|padding at once */
235 aesni_cbc_encrypt(out + aes_off, out + aes_off,
236 len - aes_off, &key->ks, ctx->iv, 1);
237 } else {
238 aesni_cbc_encrypt(in + aes_off, out + aes_off,
239 len - aes_off, &key->ks, ctx->iv, 1);
240 }
241 } else {
242 union {
243 unsigned int u[SHA_DIGEST_LENGTH/sizeof(unsigned int)];
244 unsigned char c[32 + SHA_DIGEST_LENGTH];
245 } mac, *pmac;
246
247 /* arrange cache line alignment */
248 pmac = (void *)(((size_t)mac.c + 31) & ((size_t)0 - 32));
249
250 /* decrypt HMAC|padding at once */
251 aesni_cbc_encrypt(in, out, len, &key->ks, ctx->iv, 0);
252
253 if (plen == 0 || plen == NO_PAYLOAD_LENGTH) {
254 SHA1_Update(&key->md, out, len);
255 } else if (plen < 4) {
256 return 0;
257 } else { /* "TLS" mode of operation */
258 size_t inp_len, mask, j, i;
259 unsigned int res, maxpad, pad, bitlen;
260 int ret = 1;
261 union {
262 unsigned int u[SHA_LBLOCK];
263 unsigned char c[SHA_CBLOCK];
264 }
265 *data = (void *)key->md.data;
266
267 if ((key->aux.tls_aad[plen - 4] << 8 |
268 key->aux.tls_aad[plen - 3]) >= TLS1_1_VERSION)
269 iv = AES_BLOCK_SIZE;
270
271 if (len < (iv + SHA_DIGEST_LENGTH + 1))
272 return 0;
273
274 /* omit explicit iv */
275 out += iv;
276 len -= iv;
277
278 /* figure out payload length */
279 pad = out[len - 1];
280 maxpad = len - (SHA_DIGEST_LENGTH + 1);
281 maxpad |= (255 - maxpad) >> (sizeof(maxpad) * 8 - 8);
282 maxpad &= 255;
283
284 ret &= constant_time_ge(maxpad, pad);
285
286 inp_len = len - (SHA_DIGEST_LENGTH + pad + 1);
287 mask = (0 - ((inp_len - len) >>
288 (sizeof(inp_len) * 8 - 1)));
289 inp_len &= mask;
290 ret &= (int)mask;
291
292 key->aux.tls_aad[plen - 2] = inp_len >> 8;
293 key->aux.tls_aad[plen - 1] = inp_len;
294
295 /* calculate HMAC */
296 key->md = key->head;
297 SHA1_Update(&key->md, key->aux.tls_aad, plen);
298
299#if 1
300 len -= SHA_DIGEST_LENGTH; /* amend mac */
301 if (len >= (256 + SHA_CBLOCK)) {
302 j = (len - (256 + SHA_CBLOCK)) &
303 (0 - SHA_CBLOCK);
304 j += SHA_CBLOCK - key->md.num;
305 SHA1_Update(&key->md, out, j);
306 out += j;
307 len -= j;
308 inp_len -= j;
309 }
310
311 /* but pretend as if we hashed padded payload */
312 bitlen = key->md.Nl + (inp_len << 3); /* at most 18 bits */
313#ifdef BSWAP
314 bitlen = BSWAP(bitlen);
315#else
316 mac.c[0] = 0;
317 mac.c[1] = (unsigned char)(bitlen >> 16);
318 mac.c[2] = (unsigned char)(bitlen >> 8);
319 mac.c[3] = (unsigned char)bitlen;
320 bitlen = mac.u[0];
321#endif
322
323 pmac->u[0] = 0;
324 pmac->u[1] = 0;
325 pmac->u[2] = 0;
326 pmac->u[3] = 0;
327 pmac->u[4] = 0;
328
329 for (res = key->md.num, j = 0; j < len; j++) {
330 size_t c = out[j];
331 mask = (j - inp_len) >> (sizeof(j) * 8 - 8);
332 c &= mask;
333 c |= 0x80 & ~mask &
334 ~((inp_len - j) >> (sizeof(j) * 8 - 8));
335 data->c[res++] = (unsigned char)c;
336
337 if (res != SHA_CBLOCK)
338 continue;
339
340 /* j is not incremented yet */
341 mask = 0 - ((inp_len + 7 - j) >>
342 (sizeof(j) * 8 - 1));
343 data->u[SHA_LBLOCK - 1] |= bitlen&mask;
344 sha1_block_data_order(&key->md, data, 1);
345 mask &= 0 - ((j - inp_len - 72) >>
346 (sizeof(j) * 8 - 1));
347 pmac->u[0] |= key->md.h0 & mask;
348 pmac->u[1] |= key->md.h1 & mask;
349 pmac->u[2] |= key->md.h2 & mask;
350 pmac->u[3] |= key->md.h3 & mask;
351 pmac->u[4] |= key->md.h4 & mask;
352 res = 0;
353 }
354
355 for (i = res; i < SHA_CBLOCK; i++, j++)
356 data->c[i] = 0;
357
358 if (res > SHA_CBLOCK - 8) {
359 mask = 0 - ((inp_len + 8 - j) >>
360 (sizeof(j) * 8 - 1));
361 data->u[SHA_LBLOCK - 1] |= bitlen & mask;
362 sha1_block_data_order(&key->md, data, 1);
363 mask &= 0 - ((j - inp_len - 73) >>
364 (sizeof(j) * 8 - 1));
365 pmac->u[0] |= key->md.h0 & mask;
366 pmac->u[1] |= key->md.h1 & mask;
367 pmac->u[2] |= key->md.h2 & mask;
368 pmac->u[3] |= key->md.h3 & mask;
369 pmac->u[4] |= key->md.h4 & mask;
370
371 memset(data, 0, SHA_CBLOCK);
372 j += 64;
373 }
374 data->u[SHA_LBLOCK - 1] = bitlen;
375 sha1_block_data_order(&key->md, data, 1);
376 mask = 0 - ((j - inp_len - 73) >> (sizeof(j) * 8 - 1));
377 pmac->u[0] |= key->md.h0 & mask;
378 pmac->u[1] |= key->md.h1 & mask;
379 pmac->u[2] |= key->md.h2 & mask;
380 pmac->u[3] |= key->md.h3 & mask;
381 pmac->u[4] |= key->md.h4 & mask;
382
383#ifdef BSWAP
384 pmac->u[0] = BSWAP(pmac->u[0]);
385 pmac->u[1] = BSWAP(pmac->u[1]);
386 pmac->u[2] = BSWAP(pmac->u[2]);
387 pmac->u[3] = BSWAP(pmac->u[3]);
388 pmac->u[4] = BSWAP(pmac->u[4]);
389#else
390 for (i = 0; i < 5; i++) {
391 res = pmac->u[i];
392 pmac->c[4 * i + 0] = (unsigned char)(res >> 24);
393 pmac->c[4 * i + 1] = (unsigned char)(res >> 16);
394 pmac->c[4 * i + 2] = (unsigned char)(res >> 8);
395 pmac->c[4 * i + 3] = (unsigned char)res;
396 }
397#endif
398 len += SHA_DIGEST_LENGTH;
399#else
400 SHA1_Update(&key->md, out, inp_len);
401 res = key->md.num;
402 SHA1_Final(pmac->c, &key->md);
403
404 {
405 unsigned int inp_blocks, pad_blocks;
406
407 /* but pretend as if we hashed padded payload */
408 inp_blocks = 1 + ((SHA_CBLOCK - 9 - res) >>
409 (sizeof(res) * 8 - 1));
410 res += (unsigned int)(len - inp_len);
411 pad_blocks = res / SHA_CBLOCK;
412 res %= SHA_CBLOCK;
413 pad_blocks += 1 + ((SHA_CBLOCK - 9 - res) >>
414 (sizeof(res) * 8 - 1));
415 for (; inp_blocks < pad_blocks; inp_blocks++)
416 sha1_block_data_order(&key->md,
417 data, 1);
418 }
419#endif
420 key->md = key->tail;
421 SHA1_Update(&key->md, pmac->c, SHA_DIGEST_LENGTH);
422 SHA1_Final(pmac->c, &key->md);
423
424 /* verify HMAC */
425 out += inp_len;
426 len -= inp_len;
427#if 1
428 {
429 unsigned char *p =
430 out + len - 1 - maxpad - SHA_DIGEST_LENGTH;
431 size_t off = out - p;
432 unsigned int c, cmask;
433
434 maxpad += SHA_DIGEST_LENGTH;
435 for (res = 0, i = 0, j = 0; j < maxpad; j++) {
436 c = p[j];
437 cmask = ((int)(j - off -
438 SHA_DIGEST_LENGTH)) >>
439 (sizeof(int) * 8 - 1);
440 res |= (c ^ pad) & ~cmask; /* ... and padding */
441 cmask &= ((int)(off - 1 - j)) >>
442 (sizeof(int) * 8 - 1);
443 res |= (c ^ pmac->c[i]) & cmask;
444 i += 1 & cmask;
445 }
446 maxpad -= SHA_DIGEST_LENGTH;
447
448 res = 0 - ((0 - res) >> (sizeof(res) * 8 - 1));
449 ret &= (int)~res;
450 }
451#else
452 for (res = 0, i = 0; i < SHA_DIGEST_LENGTH; i++)
453 res |= out[i] ^ pmac->c[i];
454 res = 0 - ((0 - res) >> (sizeof(res) * 8 - 1));
455 ret &= (int)~res;
456
457 /* verify padding */
458 pad = (pad & ~res) | (maxpad & res);
459 out = out + len - 1 - pad;
460 for (res = 0, i = 0; i < pad; i++)
461 res |= out[i] ^ pad;
462
463 res = (0 - res) >> (sizeof(res) * 8 - 1);
464 ret &= (int)~res;
465#endif
466 return ret;
467 }
468 }
469
470 return 1;
471}
472
473static int
474aesni_cbc_hmac_sha1_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
475{
476 EVP_AES_HMAC_SHA1 *key = data(ctx);
477
478 switch (type) {
479 case EVP_CTRL_AEAD_SET_MAC_KEY:
480 {
481 unsigned int i;
482 unsigned char hmac_key[64];
483
484 memset(hmac_key, 0, sizeof(hmac_key));
485
486 if (arg > (int)sizeof(hmac_key)) {
487 SHA1_Init(&key->head);
488 SHA1_Update(&key->head, ptr, arg);
489 SHA1_Final(hmac_key, &key->head);
490 } else {
491 memcpy(hmac_key, ptr, arg);
492 }
493
494 for (i = 0; i < sizeof(hmac_key); i++)
495 hmac_key[i] ^= 0x36; /* ipad */
496 SHA1_Init(&key->head);
497 SHA1_Update(&key->head, hmac_key, sizeof(hmac_key));
498
499 for (i = 0; i < sizeof(hmac_key); i++)
500 hmac_key[i] ^= 0x36 ^ 0x5c; /* opad */
501 SHA1_Init(&key->tail);
502 SHA1_Update(&key->tail, hmac_key, sizeof(hmac_key));
503
504 explicit_bzero(hmac_key, sizeof(hmac_key));
505
506 return 1;
507 }
508 case EVP_CTRL_AEAD_TLS1_AAD:
509 {
510 unsigned char *p = ptr;
511 unsigned int len;
512
513 /* RFC 5246, 6.2.3.3: additional data has length 13 */
514 if (arg != 13)
515 return -1;
516
517 len = p[arg - 2] << 8 | p[arg - 1];
518
519 if (ctx->encrypt) {
520 key->payload_length = len;
521 if ((key->aux.tls_ver = p[arg - 4] << 8 |
522 p[arg - 3]) >= TLS1_1_VERSION) {
523 len -= AES_BLOCK_SIZE;
524 p[arg - 2] = len >> 8;
525 p[arg - 1] = len;
526 }
527 key->md = key->head;
528 SHA1_Update(&key->md, p, arg);
529
530 return (int)(((len + SHA_DIGEST_LENGTH +
531 AES_BLOCK_SIZE) & -AES_BLOCK_SIZE) - len);
532 } else {
533 memcpy(key->aux.tls_aad, ptr, arg);
534 key->payload_length = arg;
535
536 return SHA_DIGEST_LENGTH;
537 }
538 }
539 default:
540 return -1;
541 }
542}
543
544static const EVP_CIPHER aesni_128_cbc_hmac_sha1_cipher = {
545#ifdef NID_aes_128_cbc_hmac_sha1
546 .nid = NID_aes_128_cbc_hmac_sha1,
547#else
548 .nid = NID_undef,
549#endif
550 .block_size = 16,
551 .key_len = 16,
552 .iv_len = 16,
553 .flags = EVP_CIPH_CBC_MODE | EVP_CIPH_FLAG_DEFAULT_ASN1 |
554 EVP_CIPH_FLAG_AEAD_CIPHER,
555 .init = aesni_cbc_hmac_sha1_init_key,
556 .do_cipher = aesni_cbc_hmac_sha1_cipher,
557 .ctx_size = sizeof(EVP_AES_HMAC_SHA1),
558 .ctrl = aesni_cbc_hmac_sha1_ctrl
559};
560
561static const EVP_CIPHER aesni_256_cbc_hmac_sha1_cipher = {
562#ifdef NID_aes_256_cbc_hmac_sha1
563 .nid = NID_aes_256_cbc_hmac_sha1,
564#else
565 .nid = NID_undef,
566#endif
567 .block_size = 16,
568 .key_len = 32,
569 .iv_len = 16,
570 .flags = EVP_CIPH_CBC_MODE | EVP_CIPH_FLAG_DEFAULT_ASN1 |
571 EVP_CIPH_FLAG_AEAD_CIPHER,
572 .init = aesni_cbc_hmac_sha1_init_key,
573 .do_cipher = aesni_cbc_hmac_sha1_cipher,
574 .ctx_size = sizeof(EVP_AES_HMAC_SHA1),
575 .ctrl = aesni_cbc_hmac_sha1_ctrl
576};
577
578const EVP_CIPHER *
579EVP_aes_128_cbc_hmac_sha1(void)
580{
581 return (OPENSSL_cpu_caps() & CPUCAP_MASK_AESNI) ?
582 &aesni_128_cbc_hmac_sha1_cipher : NULL;
583}
584
585const EVP_CIPHER *
586EVP_aes_256_cbc_hmac_sha1(void)
587{
588 return (OPENSSL_cpu_caps() & CPUCAP_MASK_AESNI) ?
589 &aesni_256_cbc_hmac_sha1_cipher : NULL;
590}
591#else
592const EVP_CIPHER *
593EVP_aes_128_cbc_hmac_sha1(void)
594{
595 return NULL;
596}
597
598const EVP_CIPHER *
599EVP_aes_256_cbc_hmac_sha1(void)
600{
601 return NULL;
602}
603#endif
604#endif
diff --git a/src/lib/libcrypto/evp/e_rc4_hmac_md5.c b/src/lib/libcrypto/evp/e_rc4_hmac_md5.c
deleted file mode 100644
index 420b945a80..0000000000
--- a/src/lib/libcrypto/evp/e_rc4_hmac_md5.c
+++ /dev/null
@@ -1,308 +0,0 @@
1/* $OpenBSD: e_rc4_hmac_md5.c,v 1.15 2024/01/07 16:18:18 tb Exp $ */
2/* ====================================================================
3 * Copyright (c) 2011 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * licensing@OpenSSL.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 */
50
51#include <stdio.h>
52#include <string.h>
53
54#include <openssl/opensslconf.h>
55
56#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_MD5)
57
58#include <openssl/evp.h>
59#include <openssl/objects.h>
60#include <openssl/rc4.h>
61#include <openssl/md5.h>
62
63#include "evp_local.h"
64
65/* FIXME: surely this is available elsewhere? */
66#define EVP_RC4_KEY_SIZE 16
67
68typedef struct {
69 RC4_KEY ks;
70 MD5_CTX head, tail, md;
71 size_t payload_length;
72} EVP_RC4_HMAC_MD5;
73
74#define NO_PAYLOAD_LENGTH ((size_t)-1)
75
76void rc4_md5_enc (RC4_KEY *key, const void *in0, void *out,
77 MD5_CTX *ctx, const void *inp, size_t blocks);
78
79#define data(ctx) ((EVP_RC4_HMAC_MD5 *)(ctx)->cipher_data)
80
81static int
82rc4_hmac_md5_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *inkey,
83 const unsigned char *iv, int enc)
84{
85 EVP_RC4_HMAC_MD5 *key = data(ctx);
86
87 RC4_set_key(&key->ks, EVP_CIPHER_CTX_key_length(ctx), inkey);
88
89 MD5_Init(&key->head); /* handy when benchmarking */
90 key->tail = key->head;
91 key->md = key->head;
92
93 key->payload_length = NO_PAYLOAD_LENGTH;
94
95 return 1;
96}
97
98#if !defined(OPENSSL_NO_ASM) && defined(RC4_MD5_ASM) && ( \
99 defined(__x86_64) || defined(__x86_64__) || \
100 defined(_M_AMD64) || defined(_M_X64) || \
101 defined(__INTEL__) ) && \
102 !(defined(__APPLE__) && defined(__MACH__))
103#define STITCHED_CALL
104#include "x86_arch.h"
105#endif
106
107#if !defined(STITCHED_CALL)
108#define rc4_off 0
109#define md5_off 0
110#endif
111
112static int
113rc4_hmac_md5_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
114 const unsigned char *in, size_t len)
115{
116 EVP_RC4_HMAC_MD5 *key = data(ctx);
117#if defined(STITCHED_CALL)
118 size_t rc4_off = 32-1-(key->ks.x&(32-1)), /* 32 is $MOD from rc4_md5-x86_64.pl */
119 md5_off = MD5_CBLOCK - key->md.num,
120 blocks;
121 unsigned int l;
122#endif
123 size_t plen = key->payload_length;
124
125 if (plen != NO_PAYLOAD_LENGTH && len != (plen + MD5_DIGEST_LENGTH))
126 return 0;
127
128 if (ctx->encrypt) {
129 if (plen == NO_PAYLOAD_LENGTH)
130 plen = len;
131#if defined(STITCHED_CALL)
132 /* cipher has to "fall behind" */
133 if (rc4_off > md5_off)
134 md5_off += MD5_CBLOCK;
135
136 if (plen > md5_off &&
137 (blocks = (plen - md5_off) / MD5_CBLOCK) &&
138 (OPENSSL_cpu_caps() & CPUCAP_MASK_INTELP4) == 0) {
139 MD5_Update(&key->md, in, md5_off);
140 RC4(&key->ks, rc4_off, in, out);
141
142 rc4_md5_enc(&key->ks, in + rc4_off, out + rc4_off,
143 &key->md, in + md5_off, blocks);
144 blocks *= MD5_CBLOCK;
145 rc4_off += blocks;
146 md5_off += blocks;
147 key->md.Nh += blocks >> 29;
148 key->md.Nl += blocks <<= 3;
149 if (key->md.Nl < (unsigned int)blocks)
150 key->md.Nh++;
151 } else {
152 rc4_off = 0;
153 md5_off = 0;
154 }
155#endif
156 MD5_Update(&key->md, in + md5_off, plen - md5_off);
157
158 if (plen!=len) { /* "TLS" mode of operation */
159 if (in != out)
160 memcpy(out + rc4_off, in + rc4_off,
161 plen - rc4_off);
162
163 /* calculate HMAC and append it to payload */
164 MD5_Final(out + plen, &key->md);
165 key->md = key->tail;
166 MD5_Update(&key->md, out + plen, MD5_DIGEST_LENGTH);
167 MD5_Final(out + plen, &key->md);
168
169 /* encrypt HMAC at once */
170 RC4(&key->ks, len - rc4_off, out + rc4_off,
171 out + rc4_off);
172 } else {
173 RC4(&key->ks, len - rc4_off, in + rc4_off,
174 out + rc4_off);
175 }
176 } else {
177 unsigned char mac[MD5_DIGEST_LENGTH];
178#if defined(STITCHED_CALL)
179 /* digest has to "fall behind" */
180 if (md5_off > rc4_off)
181 rc4_off += 2*MD5_CBLOCK;
182 else
183 rc4_off += MD5_CBLOCK;
184
185 if (len > rc4_off && (blocks = (len - rc4_off) / MD5_CBLOCK) &&
186 (OPENSSL_cpu_caps() & CPUCAP_MASK_INTELP4) == 0) {
187 RC4(&key->ks, rc4_off, in, out);
188 MD5_Update(&key->md, out, md5_off);
189
190 rc4_md5_enc(&key->ks, in + rc4_off, out + rc4_off,
191 &key->md, out + md5_off, blocks);
192 blocks *= MD5_CBLOCK;
193 rc4_off += blocks;
194 md5_off += blocks;
195 l = (key->md.Nl + (blocks << 3)) & 0xffffffffU;
196 if (l < key->md.Nl)
197 key->md.Nh++;
198 key->md.Nl = l;
199 key->md.Nh += blocks >> 29;
200 } else {
201 md5_off = 0;
202 rc4_off = 0;
203 }
204#endif
205 /* decrypt HMAC at once */
206 RC4(&key->ks, len - rc4_off, in + rc4_off, out + rc4_off);
207 if (plen!=NO_PAYLOAD_LENGTH) { /* "TLS" mode of operation */
208 MD5_Update(&key->md, out + md5_off, plen - md5_off);
209
210 /* calculate HMAC and verify it */
211 MD5_Final(mac, &key->md);
212 key->md = key->tail;
213 MD5_Update(&key->md, mac, MD5_DIGEST_LENGTH);
214 MD5_Final(mac, &key->md);
215
216 if (memcmp(out + plen, mac, MD5_DIGEST_LENGTH))
217 return 0;
218 } else {
219 MD5_Update(&key->md, out + md5_off, len - md5_off);
220 }
221 }
222
223 key->payload_length = NO_PAYLOAD_LENGTH;
224
225 return 1;
226}
227
228static int
229rc4_hmac_md5_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
230{
231 EVP_RC4_HMAC_MD5 *key = data(ctx);
232
233 switch (type) {
234 case EVP_CTRL_AEAD_SET_MAC_KEY:
235 {
236 unsigned int i;
237 unsigned char hmac_key[64];
238
239 memset (hmac_key, 0, sizeof(hmac_key));
240
241 if (arg > (int)sizeof(hmac_key)) {
242 MD5_Init(&key->head);
243 MD5_Update(&key->head, ptr, arg);
244 MD5_Final(hmac_key, &key->head);
245 } else {
246 memcpy(hmac_key, ptr, arg);
247 }
248
249 for (i = 0; i < sizeof(hmac_key); i++)
250 hmac_key[i] ^= 0x36; /* ipad */
251 MD5_Init(&key->head);
252 MD5_Update(&key->head, hmac_key, sizeof(hmac_key));
253
254 for (i = 0; i < sizeof(hmac_key); i++)
255 hmac_key[i] ^= 0x36 ^ 0x5c; /* opad */
256 MD5_Init(&key->tail);
257 MD5_Update(&key->tail, hmac_key, sizeof(hmac_key));
258
259 return 1;
260 }
261 case EVP_CTRL_AEAD_TLS1_AAD:
262 {
263 unsigned char *p = ptr;
264 unsigned int len = p[arg - 2] << 8 | p[arg - 1];
265
266 if (!ctx->encrypt) {
267 if (len < MD5_DIGEST_LENGTH)
268 return -1;
269 len -= MD5_DIGEST_LENGTH;
270 p[arg - 2] = len >> 8;
271 p[arg - 1] = len;
272 }
273 key->payload_length = len;
274 key->md = key->head;
275 MD5_Update(&key->md, p, arg);
276
277 return MD5_DIGEST_LENGTH;
278 }
279 default:
280 return -1;
281 }
282}
283
284static const EVP_CIPHER r4_hmac_md5_cipher = {
285#ifdef NID_rc4_hmac_md5
286 .nid = NID_rc4_hmac_md5,
287#else
288 .nid = NID_undef,
289#endif
290 .block_size = 1,
291 .key_len = EVP_RC4_KEY_SIZE,
292 .iv_len = 0,
293 .flags = EVP_CIPH_STREAM_CIPHER|EVP_CIPH_VARIABLE_LENGTH|EVP_CIPH_FLAG_AEAD_CIPHER,
294 .init = rc4_hmac_md5_init_key,
295 .do_cipher = rc4_hmac_md5_cipher,
296 .cleanup = NULL,
297 .ctx_size = sizeof(EVP_RC4_HMAC_MD5),
298 .set_asn1_parameters = NULL,
299 .get_asn1_parameters = NULL,
300 .ctrl = rc4_hmac_md5_ctrl,
301};
302
303const EVP_CIPHER *
304EVP_rc4_hmac_md5(void)
305{
306 return (&r4_hmac_md5_cipher);
307}
308#endif
diff --git a/src/lib/libcrypto/evp/evp.h b/src/lib/libcrypto/evp/evp.h
index f7026e2cea..28b095ffd4 100644
--- a/src/lib/libcrypto/evp/evp.h
+++ b/src/lib/libcrypto/evp/evp.h
@@ -1,4 +1,4 @@
1/* $OpenBSD: evp.h,v 1.129 2024/03/02 10:08:29 tb Exp $ */ 1/* $OpenBSD: evp.h,v 1.130 2024/03/02 10:13:13 tb Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved. 3 * All rights reserved.
4 * 4 *
@@ -649,9 +649,6 @@ const EVP_CIPHER *EVP_desx_cbc(void);
649#ifndef OPENSSL_NO_RC4 649#ifndef OPENSSL_NO_RC4
650const EVP_CIPHER *EVP_rc4(void); 650const EVP_CIPHER *EVP_rc4(void);
651const EVP_CIPHER *EVP_rc4_40(void); 651const EVP_CIPHER *EVP_rc4_40(void);
652#ifndef OPENSSL_NO_MD5
653const EVP_CIPHER *EVP_rc4_hmac_md5(void);
654#endif
655#endif 652#endif
656#ifndef OPENSSL_NO_IDEA 653#ifndef OPENSSL_NO_IDEA
657const EVP_CIPHER *EVP_idea_ecb(void); 654const EVP_CIPHER *EVP_idea_ecb(void);
@@ -722,10 +719,6 @@ const EVP_CIPHER *EVP_aes_256_xts(void);
722#if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305) 719#if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
723const EVP_CIPHER *EVP_chacha20_poly1305(void); 720const EVP_CIPHER *EVP_chacha20_poly1305(void);
724#endif 721#endif
725#if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
726const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);
727const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);
728#endif
729#endif 722#endif
730#ifndef OPENSSL_NO_CAMELLIA 723#ifndef OPENSSL_NO_CAMELLIA
731const EVP_CIPHER *EVP_camellia_128_ecb(void); 724const EVP_CIPHER *EVP_camellia_128_ecb(void);
diff --git a/src/lib/libcrypto/evp/evp_names.c b/src/lib/libcrypto/evp/evp_names.c
index ec66c12082..2936c36622 100644
--- a/src/lib/libcrypto/evp/evp_names.c
+++ b/src/lib/libcrypto/evp/evp_names.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: evp_names.c,v 1.11 2024/03/02 09:43:10 tb Exp $ */ 1/* $OpenBSD: evp_names.c,v 1.12 2024/03/02 10:13:13 tb Exp $ */
2/* 2/*
3 * Copyright (c) 2023 Theo Buehler <tb@openbsd.org> 3 * Copyright (c) 2023 Theo Buehler <tb@openbsd.org>
4 * 4 *
@@ -52,10 +52,6 @@ static const struct cipher_name cipher_names[] = {
52 .cipher = EVP_aes_128_cbc, 52 .cipher = EVP_aes_128_cbc,
53 }, 53 },
54 { 54 {
55 .name = SN_aes_128_cbc_hmac_sha1,
56 .cipher = EVP_aes_128_cbc_hmac_sha1,
57 },
58 {
59 .name = SN_aes_128_cfb128, 55 .name = SN_aes_128_cfb128,
60 .cipher = EVP_aes_128_cfb128, 56 .cipher = EVP_aes_128_cfb128,
61 }, 57 },
@@ -118,10 +114,6 @@ static const struct cipher_name cipher_names[] = {
118 .cipher = EVP_aes_256_cbc, 114 .cipher = EVP_aes_256_cbc,
119 }, 115 },
120 { 116 {
121 .name = SN_aes_256_cbc_hmac_sha1,
122 .cipher = EVP_aes_256_cbc_hmac_sha1,
123 },
124 {
125 .name = SN_aes_256_cfb128, 117 .name = SN_aes_256_cfb128,
126 .cipher = EVP_aes_256_cfb128, 118 .cipher = EVP_aes_256_cfb128,
127 }, 119 },
@@ -497,10 +489,6 @@ static const struct cipher_name cipher_names[] = {
497 .name = SN_rc4_40, 489 .name = SN_rc4_40,
498 .cipher = EVP_rc4_40, 490 .cipher = EVP_rc4_40,
499 }, 491 },
500 {
501 .name = SN_rc4_hmac_md5,
502 .cipher = EVP_rc4_hmac_md5,
503 },
504#endif /* OPENSSL_NO_RC4 */ 492#endif /* OPENSSL_NO_RC4 */
505 493
506#ifndef OPENSSL_NO_SM4 494#ifndef OPENSSL_NO_SM4
@@ -538,10 +526,6 @@ static const struct cipher_name cipher_names[] = {
538 .cipher = EVP_aes_128_cbc, 526 .cipher = EVP_aes_128_cbc,
539 }, 527 },
540 { 528 {
541 .name = LN_aes_128_cbc_hmac_sha1,
542 .cipher = EVP_aes_128_cbc_hmac_sha1,
543 },
544 {
545 .name = LN_aes_128_ccm, 529 .name = LN_aes_128_ccm,
546 .cipher = EVP_aes_128_ccm, 530 .cipher = EVP_aes_128_ccm,
547 }, 531 },
@@ -620,10 +604,6 @@ static const struct cipher_name cipher_names[] = {
620 .cipher = EVP_aes_256_cbc, 604 .cipher = EVP_aes_256_cbc,
621 }, 605 },
622 { 606 {
623 .name = LN_aes_256_cbc_hmac_sha1,
624 .cipher = EVP_aes_256_cbc_hmac_sha1,
625 },
626 {
627 .name = LN_aes_256_ccm, 607 .name = LN_aes_256_ccm,
628 .cipher = EVP_aes_256_ccm, 608 .cipher = EVP_aes_256_ccm,
629 }, 609 },
@@ -1060,10 +1040,6 @@ static const struct cipher_name cipher_names[] = {
1060 .name = LN_rc4_40, 1040 .name = LN_rc4_40,
1061 .cipher = EVP_rc4_40, 1041 .cipher = EVP_rc4_40,
1062 }, 1042 },
1063 {
1064 .name = LN_rc4_hmac_md5,
1065 .cipher = EVP_rc4_hmac_md5,
1066 },
1067#endif /* OPENSSL_NO_RC4 */ 1043#endif /* OPENSSL_NO_RC4 */
1068 1044
1069#ifndef OPENSSL_NO_SM4 1045#ifndef OPENSSL_NO_SM4
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-21 04:29:43 +0000