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62867571 | 1 | /* |
3c2bdd7d | 2 | * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
4a8b0c55 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
62867571 RS |
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 | |
d02b48c6 RE |
8 | */ |
9 | ||
c6fec81b P |
10 | /* |
11 | * DES low level APIs are deprecated for public use, but still ok for internal | |
12 | * use. | |
13 | */ | |
14 | #include "internal/deprecated.h" | |
15 | ||
d02b48c6 | 16 | #include <stdio.h> |
b39fc560 | 17 | #include "internal/cryptlib.h" |
9e9e8cb6 | 18 | #ifndef OPENSSL_NO_DES |
0f113f3e | 19 | # include <openssl/objects.h> |
25f2138b | 20 | # include "crypto/evp.h" |
4d49b685 | 21 | # include "crypto/sha.h" |
0f113f3e MC |
22 | # include <openssl/des.h> |
23 | # include <openssl/rand.h> | |
706457b7 | 24 | # include "evp_local.h" |
0f113f3e MC |
25 | |
26 | typedef struct { | |
27 | union { | |
39147079 | 28 | OSSL_UNION_ALIGN; |
0f113f3e MC |
29 | DES_key_schedule ks[3]; |
30 | } ks; | |
31 | union { | |
7687f525 AP |
32 | void (*cbc) (const void *, void *, size_t, |
33 | const DES_key_schedule *, unsigned char *); | |
0f113f3e MC |
34 | } stream; |
35 | } DES_EDE_KEY; | |
36 | # define ks1 ks.ks[0] | |
37 | # define ks2 ks.ks[1] | |
38 | # define ks3 ks.ks[2] | |
39 | ||
40 | # if defined(AES_ASM) && (defined(__sparc) || defined(__sparc__)) | |
c5d975a7 AP |
41 | /* ---------^^^ this is not a typo, just a way to detect that |
42 | * assembler support was in general requested... */ | |
0f113f3e | 43 | # include "sparc_arch.h" |
c5d975a7 AP |
44 | |
45 | extern unsigned int OPENSSL_sparcv9cap_P[]; | |
46 | ||
0f113f3e | 47 | # define SPARC_DES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_DES) |
c5d975a7 | 48 | |
0f113f3e MC |
49 | void des_t4_key_expand(const void *key, DES_key_schedule *ks); |
50 | void des_t4_ede3_cbc_encrypt(const void *inp, void *out, size_t len, | |
7687f525 | 51 | const DES_key_schedule ks[3], unsigned char iv[8]); |
0f113f3e | 52 | void des_t4_ede3_cbc_decrypt(const void *inp, void *out, size_t len, |
7687f525 | 53 | const DES_key_schedule ks[3], unsigned char iv[8]); |
0f113f3e | 54 | # endif |
c5d975a7 | 55 | |
1921eaad | 56 | static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, |
0f113f3e | 57 | const unsigned char *iv, int enc); |
57ae2e24 | 58 | |
1921eaad | 59 | static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, |
0f113f3e | 60 | const unsigned char *iv, int enc); |
d02b48c6 | 61 | |
216659eb DSH |
62 | static int des3_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr); |
63 | ||
6435f0f6 | 64 | # define data(ctx) EVP_C_DATA(DES_EDE_KEY,ctx) |
dbad1690 | 65 | |
0f113f3e MC |
66 | /* |
67 | * Because of various casts and different args can't use | |
68 | * IMPLEMENT_BLOCK_CIPHER | |
69 | */ | |
d02b48c6 | 70 | |
1921eaad | 71 | static int des_ede_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, |
0f113f3e | 72 | const unsigned char *in, size_t inl) |
57ae2e24 | 73 | { |
0f113f3e MC |
74 | BLOCK_CIPHER_ecb_loop() |
75 | DES_ecb3_encrypt((const_DES_cblock *)(in + i), | |
76 | (DES_cblock *)(out + i), | |
77 | &data(ctx)->ks1, &data(ctx)->ks2, | |
6435f0f6 | 78 | &data(ctx)->ks3, EVP_CIPHER_CTX_encrypting(ctx)); |
0f113f3e | 79 | return 1; |
57ae2e24 DSH |
80 | } |
81 | ||
1921eaad | 82 | static int des_ede_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, |
0f113f3e | 83 | const unsigned char *in, size_t inl) |
57ae2e24 | 84 | { |
0f113f3e | 85 | while (inl >= EVP_MAXCHUNK) { |
6435f0f6 | 86 | int num = EVP_CIPHER_CTX_num(ctx); |
0f113f3e MC |
87 | DES_ede3_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK, |
88 | &data(ctx)->ks1, &data(ctx)->ks2, | |
6435f0f6 | 89 | &data(ctx)->ks3, |
c4d21d2f | 90 | (DES_cblock *)ctx->iv, |
6435f0f6 RL |
91 | &num); |
92 | EVP_CIPHER_CTX_set_num(ctx, num); | |
0f113f3e MC |
93 | inl -= EVP_MAXCHUNK; |
94 | in += EVP_MAXCHUNK; | |
95 | out += EVP_MAXCHUNK; | |
96 | } | |
6435f0f6 RL |
97 | if (inl) { |
98 | int num = EVP_CIPHER_CTX_num(ctx); | |
0f113f3e MC |
99 | DES_ede3_ofb64_encrypt(in, out, (long)inl, |
100 | &data(ctx)->ks1, &data(ctx)->ks2, | |
6435f0f6 | 101 | &data(ctx)->ks3, |
c4d21d2f | 102 | (DES_cblock *)ctx->iv, |
6435f0f6 RL |
103 | &num); |
104 | EVP_CIPHER_CTX_set_num(ctx, num); | |
105 | } | |
0f113f3e | 106 | return 1; |
57ae2e24 DSH |
107 | } |
108 | ||
1921eaad | 109 | static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, |
0f113f3e | 110 | const unsigned char *in, size_t inl) |
57ae2e24 | 111 | { |
0f113f3e | 112 | DES_EDE_KEY *dat = data(ctx); |
c5d975a7 | 113 | |
7687f525 AP |
114 | if (dat->stream.cbc != NULL) { |
115 | (*dat->stream.cbc) (in, out, inl, dat->ks.ks, | |
c4d21d2f | 116 | ctx->iv); |
0f113f3e MC |
117 | return 1; |
118 | } | |
119 | ||
120 | while (inl >= EVP_MAXCHUNK) { | |
121 | DES_ede3_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, | |
122 | &dat->ks1, &dat->ks2, &dat->ks3, | |
c4d21d2f | 123 | (DES_cblock *)ctx->iv, |
7687f525 | 124 | EVP_CIPHER_CTX_encrypting(ctx)); |
0f113f3e MC |
125 | inl -= EVP_MAXCHUNK; |
126 | in += EVP_MAXCHUNK; | |
127 | out += EVP_MAXCHUNK; | |
128 | } | |
129 | if (inl) | |
130 | DES_ede3_cbc_encrypt(in, out, (long)inl, | |
131 | &dat->ks1, &dat->ks2, &dat->ks3, | |
c4d21d2f | 132 | (DES_cblock *)ctx->iv, |
7687f525 | 133 | EVP_CIPHER_CTX_encrypting(ctx)); |
0f113f3e | 134 | return 1; |
57ae2e24 DSH |
135 | } |
136 | ||
8c6336b0 | 137 | static int des_ede_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, |
0f113f3e | 138 | const unsigned char *in, size_t inl) |
57ae2e24 | 139 | { |
0f113f3e | 140 | while (inl >= EVP_MAXCHUNK) { |
6435f0f6 | 141 | int num = EVP_CIPHER_CTX_num(ctx); |
0f113f3e MC |
142 | DES_ede3_cfb64_encrypt(in, out, (long)EVP_MAXCHUNK, |
143 | &data(ctx)->ks1, &data(ctx)->ks2, | |
c4d21d2f | 144 | &data(ctx)->ks3, (DES_cblock *)ctx->iv, |
6435f0f6 RL |
145 | &num, EVP_CIPHER_CTX_encrypting(ctx)); |
146 | EVP_CIPHER_CTX_set_num(ctx, num); | |
0f113f3e MC |
147 | inl -= EVP_MAXCHUNK; |
148 | in += EVP_MAXCHUNK; | |
149 | out += EVP_MAXCHUNK; | |
150 | } | |
6435f0f6 RL |
151 | if (inl) { |
152 | int num = EVP_CIPHER_CTX_num(ctx); | |
0f113f3e MC |
153 | DES_ede3_cfb64_encrypt(in, out, (long)inl, |
154 | &data(ctx)->ks1, &data(ctx)->ks2, | |
c4d21d2f | 155 | &data(ctx)->ks3, (DES_cblock *)ctx->iv, |
6435f0f6 RL |
156 | &num, EVP_CIPHER_CTX_encrypting(ctx)); |
157 | EVP_CIPHER_CTX_set_num(ctx, num); | |
158 | } | |
0f113f3e | 159 | return 1; |
57ae2e24 DSH |
160 | } |
161 | ||
0f113f3e MC |
162 | /* |
163 | * Although we have a CFB-r implementation for 3-DES, it doesn't pack the | |
164 | * right way, so wrap it here | |
165 | */ | |
8c6336b0 | 166 | static int des_ede3_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, |
0f113f3e MC |
167 | const unsigned char *in, size_t inl) |
168 | { | |
b444ac3e | 169 | size_t n; |
0f113f3e MC |
170 | unsigned char c[1], d[1]; |
171 | ||
fe2d1491 RS |
172 | if (!EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS)) |
173 | inl *= 8; | |
0f113f3e MC |
174 | for (n = 0; n < inl; ++n) { |
175 | c[0] = (in[n / 8] & (1 << (7 - n % 8))) ? 0x80 : 0; | |
176 | DES_ede3_cfb_encrypt(c, d, 1, 1, | |
177 | &data(ctx)->ks1, &data(ctx)->ks2, | |
c4d21d2f | 178 | &data(ctx)->ks3, (DES_cblock *)ctx->iv, |
6435f0f6 | 179 | EVP_CIPHER_CTX_encrypting(ctx)); |
0f113f3e MC |
180 | out[n / 8] = (out[n / 8] & ~(0x80 >> (unsigned int)(n % 8))) |
181 | | ((d[0] & 0x80) >> (unsigned int)(n % 8)); | |
182 | } | |
8c6336b0 AP |
183 | |
184 | return 1; | |
0f113f3e | 185 | } |
8c6336b0 AP |
186 | |
187 | static int des_ede3_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, | |
0f113f3e MC |
188 | const unsigned char *in, size_t inl) |
189 | { | |
190 | while (inl >= EVP_MAXCHUNK) { | |
191 | DES_ede3_cfb_encrypt(in, out, 8, (long)EVP_MAXCHUNK, | |
192 | &data(ctx)->ks1, &data(ctx)->ks2, | |
c4d21d2f | 193 | &data(ctx)->ks3, (DES_cblock *)ctx->iv, |
6435f0f6 | 194 | EVP_CIPHER_CTX_encrypting(ctx)); |
0f113f3e MC |
195 | inl -= EVP_MAXCHUNK; |
196 | in += EVP_MAXCHUNK; | |
197 | out += EVP_MAXCHUNK; | |
198 | } | |
b444ac3e | 199 | if (inl) |
0f113f3e MC |
200 | DES_ede3_cfb_encrypt(in, out, 8, (long)inl, |
201 | &data(ctx)->ks1, &data(ctx)->ks2, | |
c4d21d2f | 202 | &data(ctx)->ks3, (DES_cblock *)ctx->iv, |
6435f0f6 | 203 | EVP_CIPHER_CTX_encrypting(ctx)); |
8c6336b0 | 204 | return 1; |
0f113f3e | 205 | } |
8c6336b0 | 206 | |
a6cd8707 | 207 | BLOCK_CIPHER_defs(des_ede, DES_EDE_KEY, NID_des_ede, 8, 16, 8, 64, |
0f113f3e MC |
208 | EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_DEFAULT_ASN1, |
209 | des_ede_init_key, NULL, NULL, NULL, des3_ctrl) | |
210 | # define des_ede3_cfb64_cipher des_ede_cfb64_cipher | |
211 | # define des_ede3_ofb_cipher des_ede_ofb_cipher | |
212 | # define des_ede3_cbc_cipher des_ede_cbc_cipher | |
213 | # define des_ede3_ecb_cipher des_ede_ecb_cipher | |
214 | BLOCK_CIPHER_defs(des_ede3, DES_EDE_KEY, NID_des_ede3, 8, 24, 8, 64, | |
215 | EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_DEFAULT_ASN1, | |
216 | des_ede3_init_key, NULL, NULL, NULL, des3_ctrl) | |
217 | ||
218 | BLOCK_CIPHER_def_cfb(des_ede3, DES_EDE_KEY, NID_des_ede3, 24, 8, 1, | |
219 | EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_DEFAULT_ASN1, | |
220 | des_ede3_init_key, NULL, NULL, NULL, des3_ctrl) | |
221 | ||
222 | BLOCK_CIPHER_def_cfb(des_ede3, DES_EDE_KEY, NID_des_ede3, 24, 8, 8, | |
223 | EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_DEFAULT_ASN1, | |
224 | des_ede3_init_key, NULL, NULL, NULL, des3_ctrl) | |
8c6336b0 | 225 | |
1921eaad | 226 | static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, |
0f113f3e MC |
227 | const unsigned char *iv, int enc) |
228 | { | |
229 | DES_cblock *deskey = (DES_cblock *)key; | |
230 | DES_EDE_KEY *dat = data(ctx); | |
231 | ||
232 | dat->stream.cbc = NULL; | |
233 | # if defined(SPARC_DES_CAPABLE) | |
234 | if (SPARC_DES_CAPABLE) { | |
ecdd0ff7 | 235 | int mode = EVP_CIPHER_CTX_mode(ctx); |
0f113f3e MC |
236 | |
237 | if (mode == EVP_CIPH_CBC_MODE) { | |
238 | des_t4_key_expand(&deskey[0], &dat->ks1); | |
239 | des_t4_key_expand(&deskey[1], &dat->ks2); | |
240 | memcpy(&dat->ks3, &dat->ks1, sizeof(dat->ks1)); | |
241 | dat->stream.cbc = enc ? des_t4_ede3_cbc_encrypt : | |
242 | des_t4_ede3_cbc_decrypt; | |
243 | return 1; | |
244 | } | |
245 | } | |
246 | # endif | |
0f113f3e MC |
247 | DES_set_key_unchecked(&deskey[0], &dat->ks1); |
248 | DES_set_key_unchecked(&deskey[1], &dat->ks2); | |
0f113f3e MC |
249 | memcpy(&dat->ks3, &dat->ks1, sizeof(dat->ks1)); |
250 | return 1; | |
251 | } | |
d02b48c6 | 252 | |
1921eaad | 253 | static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, |
0f113f3e MC |
254 | const unsigned char *iv, int enc) |
255 | { | |
256 | DES_cblock *deskey = (DES_cblock *)key; | |
257 | DES_EDE_KEY *dat = data(ctx); | |
c5d975a7 | 258 | |
0f113f3e MC |
259 | dat->stream.cbc = NULL; |
260 | # if defined(SPARC_DES_CAPABLE) | |
261 | if (SPARC_DES_CAPABLE) { | |
ecdd0ff7 | 262 | int mode = EVP_CIPHER_CTX_mode(ctx); |
0f113f3e MC |
263 | |
264 | if (mode == EVP_CIPH_CBC_MODE) { | |
265 | des_t4_key_expand(&deskey[0], &dat->ks1); | |
266 | des_t4_key_expand(&deskey[1], &dat->ks2); | |
267 | des_t4_key_expand(&deskey[2], &dat->ks3); | |
268 | dat->stream.cbc = enc ? des_t4_ede3_cbc_encrypt : | |
269 | des_t4_ede3_cbc_decrypt; | |
270 | return 1; | |
271 | } | |
272 | } | |
273 | # endif | |
0f113f3e MC |
274 | DES_set_key_unchecked(&deskey[0], &dat->ks1); |
275 | DES_set_key_unchecked(&deskey[1], &dat->ks2); | |
276 | DES_set_key_unchecked(&deskey[2], &dat->ks3); | |
0f113f3e MC |
277 | return 1; |
278 | } | |
57ae2e24 | 279 | |
6435f0f6 | 280 | static int des3_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr) |
0f113f3e MC |
281 | { |
282 | ||
283 | DES_cblock *deskey = ptr; | |
6521cb03 | 284 | int kl; |
0f113f3e MC |
285 | |
286 | switch (type) { | |
287 | case EVP_CTRL_RAND_KEY: | |
6521cb03 P |
288 | kl = EVP_CIPHER_CTX_key_length(ctx); |
289 | if (kl < 0 || RAND_priv_bytes(ptr, kl) <= 0) | |
0f113f3e MC |
290 | return 0; |
291 | DES_set_odd_parity(deskey); | |
6521cb03 | 292 | if (kl >= 16) |
0f113f3e | 293 | DES_set_odd_parity(deskey + 1); |
6521cb03 | 294 | if (kl >= 24) |
0f113f3e MC |
295 | DES_set_odd_parity(deskey + 2); |
296 | return 1; | |
297 | ||
298 | default: | |
299 | return -1; | |
300 | } | |
301 | } | |
216659eb | 302 | |
13588350 | 303 | const EVP_CIPHER *EVP_des_ede(void) |
57ae2e24 | 304 | { |
0f113f3e | 305 | return &des_ede_ecb; |
57ae2e24 DSH |
306 | } |
307 | ||
13588350 | 308 | const EVP_CIPHER *EVP_des_ede3(void) |
57ae2e24 | 309 | { |
0f113f3e | 310 | return &des_ede3_ecb; |
57ae2e24 | 311 | } |
97cf1f6c | 312 | |
97cf1f6c | 313 | |
474e469b | 314 | # include <openssl/sha.h> |
97cf1f6c | 315 | |
0f113f3e MC |
316 | static const unsigned char wrap_iv[8] = |
317 | { 0x4a, 0xdd, 0xa2, 0x2c, 0x79, 0xe8, 0x21, 0x05 }; | |
97cf1f6c DSH |
318 | |
319 | static int des_ede3_unwrap(EVP_CIPHER_CTX *ctx, unsigned char *out, | |
0f113f3e MC |
320 | const unsigned char *in, size_t inl) |
321 | { | |
322 | unsigned char icv[8], iv[8], sha1tmp[SHA_DIGEST_LENGTH]; | |
323 | int rv = -1; | |
324 | if (inl < 24) | |
325 | return -1; | |
7687f525 | 326 | if (out == NULL) |
0f113f3e | 327 | return inl - 16; |
c4d21d2f | 328 | memcpy(ctx->iv, wrap_iv, 8); |
0f113f3e MC |
329 | /* Decrypt first block which will end up as icv */ |
330 | des_ede_cbc_cipher(ctx, icv, in, 8); | |
331 | /* Decrypt central blocks */ | |
332 | /* | |
333 | * If decrypting in place move whole output along a block so the next | |
334 | * des_ede_cbc_cipher is in place. | |
335 | */ | |
336 | if (out == in) { | |
337 | memmove(out, out + 8, inl - 8); | |
338 | in -= 8; | |
339 | } | |
340 | des_ede_cbc_cipher(ctx, out, in + 8, inl - 16); | |
341 | /* Decrypt final block which will be IV */ | |
342 | des_ede_cbc_cipher(ctx, iv, in + inl - 8, 8); | |
343 | /* Reverse order of everything */ | |
344 | BUF_reverse(icv, NULL, 8); | |
345 | BUF_reverse(out, NULL, inl - 16); | |
c4d21d2f | 346 | BUF_reverse(ctx->iv, iv, 8); |
0f113f3e MC |
347 | /* Decrypt again using new IV */ |
348 | des_ede_cbc_cipher(ctx, out, out, inl - 16); | |
349 | des_ede_cbc_cipher(ctx, icv, icv, 8); | |
4d49b685 DDO |
350 | if (ossl_sha1(out, inl - 16, sha1tmp) /* Work out hash of first portion */ |
351 | && CRYPTO_memcmp(sha1tmp, icv, 8) == 0) | |
0f113f3e MC |
352 | rv = inl - 16; |
353 | OPENSSL_cleanse(icv, 8); | |
354 | OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH); | |
355 | OPENSSL_cleanse(iv, 8); | |
c4d21d2f | 356 | OPENSSL_cleanse(ctx->iv, 8); |
0f113f3e MC |
357 | if (rv == -1) |
358 | OPENSSL_cleanse(out, inl - 16); | |
359 | ||
360 | return rv; | |
361 | } | |
97cf1f6c DSH |
362 | |
363 | static int des_ede3_wrap(EVP_CIPHER_CTX *ctx, unsigned char *out, | |
0f113f3e MC |
364 | const unsigned char *in, size_t inl) |
365 | { | |
366 | unsigned char sha1tmp[SHA_DIGEST_LENGTH]; | |
7687f525 | 367 | if (out == NULL) |
0f113f3e MC |
368 | return inl + 16; |
369 | /* Copy input to output buffer + 8 so we have space for IV */ | |
370 | memmove(out + 8, in, inl); | |
371 | /* Work out ICV */ | |
4d49b685 DDO |
372 | if (!ossl_sha1(in, inl, sha1tmp)) |
373 | return -1; | |
0f113f3e MC |
374 | memcpy(out + inl + 8, sha1tmp, 8); |
375 | OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH); | |
376 | /* Generate random IV */ | |
c4d21d2f | 377 | if (RAND_bytes(ctx->iv, 8) <= 0) |
266483d2 | 378 | return -1; |
c4d21d2f | 379 | memcpy(out, ctx->iv, 8); |
0f113f3e MC |
380 | /* Encrypt everything after IV in place */ |
381 | des_ede_cbc_cipher(ctx, out + 8, out + 8, inl + 8); | |
382 | BUF_reverse(out, NULL, inl + 16); | |
c4d21d2f | 383 | memcpy(ctx->iv, wrap_iv, 8); |
0f113f3e MC |
384 | des_ede_cbc_cipher(ctx, out, out, inl + 16); |
385 | return inl + 16; | |
386 | } | |
97cf1f6c DSH |
387 | |
388 | static int des_ede3_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, | |
0f113f3e MC |
389 | const unsigned char *in, size_t inl) |
390 | { | |
391 | /* | |
392 | * Sanity check input length: we typically only wrap keys so EVP_MAXCHUNK | |
393 | * is more than will ever be needed. Also input length must be a multiple | |
394 | * of 8 bits. | |
395 | */ | |
396 | if (inl >= EVP_MAXCHUNK || inl % 8) | |
397 | return -1; | |
7141ba31 | 398 | |
6d777689 | 399 | if (ossl_is_partially_overlapping(out, in, inl)) { |
9311d0c4 | 400 | ERR_raise(ERR_LIB_EVP, EVP_R_PARTIALLY_OVERLAPPING); |
7141ba31 MC |
401 | return 0; |
402 | } | |
403 | ||
6435f0f6 | 404 | if (EVP_CIPHER_CTX_encrypting(ctx)) |
0f113f3e MC |
405 | return des_ede3_wrap(ctx, out, in, inl); |
406 | else | |
407 | return des_ede3_unwrap(ctx, out, in, inl); | |
408 | } | |
97cf1f6c DSH |
409 | |
410 | static const EVP_CIPHER des3_wrap = { | |
0f113f3e MC |
411 | NID_id_smime_alg_CMS3DESwrap, |
412 | 8, 24, 0, | |
413 | EVP_CIPH_WRAP_MODE | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER | |
414 | | EVP_CIPH_FLAG_DEFAULT_ASN1, | |
f6c95e46 | 415 | EVP_ORIG_GLOBAL, |
0f113f3e MC |
416 | des_ede3_init_key, des_ede3_wrap_cipher, |
417 | NULL, | |
418 | sizeof(DES_EDE_KEY), | |
419 | NULL, NULL, NULL, NULL | |
420 | }; | |
97cf1f6c DSH |
421 | |
422 | const EVP_CIPHER *EVP_des_ede3_wrap(void) | |
0f113f3e MC |
423 | { |
424 | return &des3_wrap; | |
425 | } | |
97cf1f6c | 426 | |
d02f751c | 427 | #endif |