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source: vbox/trunk/src/libs/openssl-3.0.1/crypto/evp/evp_pbe.c@ 94082

Last change on this file since 94082 was 94082, checked in by vboxsync, 3 years ago

libs/openssl-3.0.1: started applying and adjusting our OpenSSL changes to 3.0.1. bugref:10128
File size: 9.4 KB
Line 
1/*
2 * Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (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
8 */
9
10#include <stdio.h>
11#include "internal/cryptlib.h"
12#include <openssl/evp.h>
13#include <openssl/core.h>
14#include <openssl/core_names.h>
15#include <openssl/pkcs12.h>
16#include <openssl/x509.h>
17#include "crypto/evp.h"
18#include "evp_local.h"
19
20/* Password based encryption (PBE) functions */
21
22/* Setup a cipher context from a PBE algorithm */
23
24struct evp_pbe_st {
25 int pbe_type;
26 int pbe_nid;
27 int cipher_nid;
28 int md_nid;
29 EVP_PBE_KEYGEN *keygen;
30 EVP_PBE_KEYGEN_EX *keygen_ex;
31};
32
33static STACK_OF(EVP_PBE_CTL) *pbe_algs;
34
35static const EVP_PBE_CTL builtin_pbe[] = {
36 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndDES_CBC,
37 NID_des_cbc, NID_md2, PKCS5_PBE_keyivgen, PKCS5_PBE_keyivgen_ex},
38 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndDES_CBC,
39 NID_des_cbc, NID_md5, PKCS5_PBE_keyivgen, PKCS5_PBE_keyivgen_ex},
40 {EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndRC2_CBC,
41 NID_rc2_64_cbc, NID_sha1, PKCS5_PBE_keyivgen, PKCS5_PBE_keyivgen_ex},
42
43 {EVP_PBE_TYPE_OUTER, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen},
44
45 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC4,
46 NID_rc4, NID_sha1, PKCS12_PBE_keyivgen, &PKCS12_PBE_keyivgen_ex},
47 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC4,
48 NID_rc4_40, NID_sha1, PKCS12_PBE_keyivgen, &PKCS12_PBE_keyivgen_ex},
49 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
50 NID_des_ede3_cbc, NID_sha1, PKCS12_PBE_keyivgen, &PKCS12_PBE_keyivgen_ex},
51 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And2_Key_TripleDES_CBC,
52 NID_des_ede_cbc, NID_sha1, PKCS12_PBE_keyivgen, &PKCS12_PBE_keyivgen_ex},
53 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC2_CBC,
54 NID_rc2_cbc, NID_sha1, PKCS12_PBE_keyivgen, &PKCS12_PBE_keyivgen_ex},
55 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC2_CBC,
56 NID_rc2_40_cbc, NID_sha1, PKCS12_PBE_keyivgen, &PKCS12_PBE_keyivgen_ex},
57
58 {EVP_PBE_TYPE_OUTER, NID_pbes2, -1, -1, PKCS5_v2_PBE_keyivgen, &PKCS5_v2_PBE_keyivgen_ex},
59
60 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndRC2_CBC,
61 NID_rc2_64_cbc, NID_md2, PKCS5_PBE_keyivgen, PKCS5_PBE_keyivgen_ex},
62 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndRC2_CBC,
63 NID_rc2_64_cbc, NID_md5, PKCS5_PBE_keyivgen, PKCS5_PBE_keyivgen_ex},
64 {EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndDES_CBC,
65 NID_des_cbc, NID_sha1, PKCS5_PBE_keyivgen, PKCS5_PBE_keyivgen_ex},
66
67 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA1, -1, NID_sha1, 0},
68 {EVP_PBE_TYPE_PRF, NID_hmac_md5, -1, NID_md5, 0},
69 {EVP_PBE_TYPE_PRF, NID_hmac_sha1, -1, NID_sha1, 0},
70 {EVP_PBE_TYPE_PRF, NID_hmacWithMD5, -1, NID_md5, 0},
71 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA224, -1, NID_sha224, 0},
72 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA256, -1, NID_sha256, 0},
73 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA384, -1, NID_sha384, 0},
74 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA512, -1, NID_sha512, 0},
75 {EVP_PBE_TYPE_PRF, NID_id_HMACGostR3411_94, -1, NID_id_GostR3411_94, 0},
76 {EVP_PBE_TYPE_PRF, NID_id_tc26_hmac_gost_3411_2012_256, -1,
77 NID_id_GostR3411_2012_256, 0},
78 {EVP_PBE_TYPE_PRF, NID_id_tc26_hmac_gost_3411_2012_512, -1,
79 NID_id_GostR3411_2012_512, 0},
80 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA512_224, -1, NID_sha512_224, 0},
81 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA512_256, -1, NID_sha512_256, 0},
82 {EVP_PBE_TYPE_KDF, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen, &PKCS5_v2_PBKDF2_keyivgen_ex},
83#ifndef OPENSSL_NO_SCRYPT
84 {EVP_PBE_TYPE_KDF, NID_id_scrypt, -1, -1, PKCS5_v2_scrypt_keyivgen, &PKCS5_v2_scrypt_keyivgen_ex}
85#endif
86};
87
88
89int EVP_PBE_CipherInit_ex(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
90 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de,
91 OSSL_LIB_CTX *libctx, const char *propq)
92{
93 const EVP_CIPHER *cipher = NULL;
94 EVP_CIPHER *cipher_fetch = NULL;
95 const EVP_MD *md = NULL;
96 EVP_MD *md_fetch = NULL;
97 int ret = 0, cipher_nid, md_nid;
98 EVP_PBE_KEYGEN_EX *keygen_ex;
99 EVP_PBE_KEYGEN *keygen;
100
101 if (!EVP_PBE_find_ex(EVP_PBE_TYPE_OUTER, OBJ_obj2nid(pbe_obj),
102 &cipher_nid, &md_nid, &keygen, &keygen_ex)) {
103 char obj_tmp[80];
104
105 if (pbe_obj == NULL)
106 OPENSSL_strlcpy(obj_tmp, "NULL", sizeof(obj_tmp));
107 else
108 i2t_ASN1_OBJECT(obj_tmp, sizeof(obj_tmp), pbe_obj);
109 ERR_raise_data(ERR_LIB_EVP, EVP_R_UNKNOWN_PBE_ALGORITHM,
110 "TYPE=%s", obj_tmp);
111 goto err;
112 }
113
114 if (pass == NULL)
115 passlen = 0;
116 else if (passlen == -1)
117 passlen = strlen(pass);
118
119 if (cipher_nid != -1) {
120 (void)ERR_set_mark();
121 cipher = cipher_fetch = EVP_CIPHER_fetch(libctx, OBJ_nid2sn(cipher_nid), propq);
122 /* Fallback to legacy method */
123 if (cipher == NULL)
124 cipher = EVP_get_cipherbynid(cipher_nid);
125 if (cipher == NULL) {
126 (void)ERR_clear_last_mark();
127 ERR_raise_data(ERR_LIB_EVP, EVP_R_UNKNOWN_CIPHER,
128 OBJ_nid2sn(cipher_nid));
129 goto err;
130 }
131 (void)ERR_pop_to_mark();
132 }
133
134 if (md_nid != -1) {
135 (void)ERR_set_mark();
136 md = md_fetch = EVP_MD_fetch(libctx, OBJ_nid2sn(md_nid), propq);
137 /* Fallback to legacy method */
138 if (md == NULL)
139 EVP_get_digestbynid(md_nid);
140
141 if (md == NULL) {
142 (void)ERR_clear_last_mark();
143 ERR_raise(ERR_LIB_EVP, EVP_R_UNKNOWN_DIGEST);
144 goto err;
145 }
146 (void)ERR_pop_to_mark();
147 }
148
149 /* Try extended keygen with libctx/propq first, fall back to legacy keygen */
150 if (keygen_ex != NULL)
151 ret = keygen_ex(ctx, pass, passlen, param, cipher, md, en_de, libctx, propq);
152 else
153 ret = keygen(ctx, pass, passlen, param, cipher, md, en_de);
154
155err:
156 EVP_CIPHER_free(cipher_fetch);
157 EVP_MD_free(md_fetch);
158
159 return ret;
160}
161
162int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
163 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de)
164{
165 return EVP_PBE_CipherInit_ex(pbe_obj, pass, passlen, param, ctx, en_de, NULL, NULL);
166}
167
168DECLARE_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
169
170static int pbe2_cmp(const EVP_PBE_CTL *pbe1, const EVP_PBE_CTL *pbe2)
171{
172 int ret = pbe1->pbe_type - pbe2->pbe_type;
173 if (ret)
174 return ret;
175 else
176 return pbe1->pbe_nid - pbe2->pbe_nid;
177}
178
179IMPLEMENT_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
180
181static int pbe_cmp(const EVP_PBE_CTL *const *a, const EVP_PBE_CTL *const *b)
182{
183 int ret = (*a)->pbe_type - (*b)->pbe_type;
184 if (ret)
185 return ret;
186 else
187 return (*a)->pbe_nid - (*b)->pbe_nid;
188}
189
190/* Add a PBE algorithm */
191
192int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid,
193 int md_nid, EVP_PBE_KEYGEN *keygen)
194{
195 EVP_PBE_CTL *pbe_tmp;
196
197 if (pbe_algs == NULL) {
198 pbe_algs = sk_EVP_PBE_CTL_new(pbe_cmp);
199 if (pbe_algs == NULL)
200 goto err;
201 }
202
203 if ((pbe_tmp = OPENSSL_malloc(sizeof(*pbe_tmp))) == NULL)
204 goto err;
205
206 pbe_tmp->pbe_type = pbe_type;
207 pbe_tmp->pbe_nid = pbe_nid;
208 pbe_tmp->cipher_nid = cipher_nid;
209 pbe_tmp->md_nid = md_nid;
210 pbe_tmp->keygen = keygen;
211
212 if (!sk_EVP_PBE_CTL_push(pbe_algs, pbe_tmp)) {
213 OPENSSL_free(pbe_tmp);
214 goto err;
215 }
216 return 1;
217
218 err:
219 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
220 return 0;
221}
222
223int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
224 EVP_PBE_KEYGEN *keygen)
225{
226 int cipher_nid, md_nid;
227
228 if (cipher)
229 cipher_nid = EVP_CIPHER_get_nid(cipher);
230 else
231 cipher_nid = -1;
232 if (md)
233 md_nid = EVP_MD_get_type(md);
234 else
235 md_nid = -1;
236
237 return EVP_PBE_alg_add_type(EVP_PBE_TYPE_OUTER, nid,
238 cipher_nid, md_nid, keygen);
239}
240
241int EVP_PBE_find_ex(int type, int pbe_nid, int *pcnid, int *pmnid,
242 EVP_PBE_KEYGEN **pkeygen, EVP_PBE_KEYGEN_EX **pkeygen_ex)
243{
244 EVP_PBE_CTL *pbetmp = NULL, pbelu;
245 int i;
246 if (pbe_nid == NID_undef)
247 return 0;
248
249 pbelu.pbe_type = type;
250 pbelu.pbe_nid = pbe_nid;
251
252 if (pbe_algs != NULL) {
253 i = sk_EVP_PBE_CTL_find(pbe_algs, &pbelu);
254 pbetmp = sk_EVP_PBE_CTL_value(pbe_algs, i);
255 }
256 if (pbetmp == NULL) {
257 pbetmp = OBJ_bsearch_pbe2(&pbelu, builtin_pbe, OSSL_NELEM(builtin_pbe));
258 }
259 if (pbetmp == NULL)
260 return 0;
261 if (pcnid != NULL)
262 *pcnid = pbetmp->cipher_nid;
263 if (pmnid != NULL)
264 *pmnid = pbetmp->md_nid;
265 if (pkeygen != NULL)
266 *pkeygen = pbetmp->keygen;
267 if (pkeygen_ex != NULL)
268 *pkeygen_ex = pbetmp->keygen_ex;
269 return 1;
270}
271
272int EVP_PBE_find(int type, int pbe_nid,
273 int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen)
274{
275 return EVP_PBE_find_ex(type, pbe_nid, pcnid, pmnid, pkeygen, NULL);
276}
277
278static void free_evp_pbe_ctl(EVP_PBE_CTL *pbe)
279{
280 OPENSSL_free(pbe);
281}
282
283void EVP_PBE_cleanup(void)
284{
285 sk_EVP_PBE_CTL_pop_free(pbe_algs, free_evp_pbe_ctl);
286 pbe_algs = NULL;
287}
288
289int EVP_PBE_get(int *ptype, int *ppbe_nid, size_t num)
290{
291 const EVP_PBE_CTL *tpbe;
292
293 if (num >= OSSL_NELEM(builtin_pbe))
294 return 0;
295
296 tpbe = builtin_pbe + num;
297 if (ptype)
298 *ptype = tpbe->pbe_type;
299 if (ppbe_nid)
300 *ppbe_nid = tpbe->pbe_nid;
301 return 1;
302}
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