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source: vbox/trunk/src/libs/openssl-3.1.0/crypto/evp/evp_pbe.c@ 100908

最後變更 在這個檔案從100908是 99366,由 vboxsync 提交於 22 月 前

openssl-3.1.0: Applied and adjusted our OpenSSL changes to 3.0.7. bugref:10418
檔案大小: 9.7 KB
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1/*
2 * Copyright 1999-2022 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_hmac_sha3_224, -1, NID_sha3_224, 0},
81 {EVP_PBE_TYPE_PRF, NID_hmac_sha3_256, -1, NID_sha3_256, 0},
82 {EVP_PBE_TYPE_PRF, NID_hmac_sha3_384, -1, NID_sha3_384, 0},
83 {EVP_PBE_TYPE_PRF, NID_hmac_sha3_512, -1, NID_sha3_512, 0},
84 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA512_224, -1, NID_sha512_224, 0},
85 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA512_256, -1, NID_sha512_256, 0},
86 {EVP_PBE_TYPE_KDF, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen, &PKCS5_v2_PBKDF2_keyivgen_ex},
87#ifndef OPENSSL_NO_SCRYPT
88 {EVP_PBE_TYPE_KDF, NID_id_scrypt, -1, -1, PKCS5_v2_scrypt_keyivgen, &PKCS5_v2_scrypt_keyivgen_ex}
89#endif
90};
91
92
93int EVP_PBE_CipherInit_ex(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
94 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de,
95 OSSL_LIB_CTX *libctx, const char *propq)
96{
97 const EVP_CIPHER *cipher = NULL;
98 EVP_CIPHER *cipher_fetch = NULL;
99 const EVP_MD *md = NULL;
100 EVP_MD *md_fetch = NULL;
101 int ret = 0, cipher_nid, md_nid;
102 EVP_PBE_KEYGEN_EX *keygen_ex;
103 EVP_PBE_KEYGEN *keygen;
104
105 if (!EVP_PBE_find_ex(EVP_PBE_TYPE_OUTER, OBJ_obj2nid(pbe_obj),
106 &cipher_nid, &md_nid, &keygen, &keygen_ex)) {
107 char obj_tmp[80];
108
109 if (pbe_obj == NULL)
110 OPENSSL_strlcpy(obj_tmp, "NULL", sizeof(obj_tmp));
111 else
112 i2t_ASN1_OBJECT(obj_tmp, sizeof(obj_tmp), pbe_obj);
113 ERR_raise_data(ERR_LIB_EVP, EVP_R_UNKNOWN_PBE_ALGORITHM,
114 "TYPE=%s", obj_tmp);
115 goto err;
116 }
117
118 if (pass == NULL)
119 passlen = 0;
120 else if (passlen == -1)
121 passlen = strlen(pass);
122
123 if (cipher_nid != -1) {
124 (void)ERR_set_mark();
125 cipher = cipher_fetch = EVP_CIPHER_fetch(libctx, OBJ_nid2sn(cipher_nid), propq);
126 /* Fallback to legacy method */
127 if (cipher == NULL)
128 cipher = EVP_get_cipherbynid(cipher_nid);
129 if (cipher == NULL) {
130 (void)ERR_clear_last_mark();
131 ERR_raise_data(ERR_LIB_EVP, EVP_R_UNKNOWN_CIPHER,
132 OBJ_nid2sn(cipher_nid));
133 goto err;
134 }
135 (void)ERR_pop_to_mark();
136 }
137
138 if (md_nid != -1) {
139 (void)ERR_set_mark();
140 md = md_fetch = EVP_MD_fetch(libctx, OBJ_nid2sn(md_nid), propq);
141 /* Fallback to legacy method */
142 if (md == NULL)
143 EVP_get_digestbynid(md_nid);
144
145 if (md == NULL) {
146 (void)ERR_clear_last_mark();
147 ERR_raise(ERR_LIB_EVP, EVP_R_UNKNOWN_DIGEST);
148 goto err;
149 }
150 (void)ERR_pop_to_mark();
151 }
152
153 /* Try extended keygen with libctx/propq first, fall back to legacy keygen */
154 if (keygen_ex != NULL)
155 ret = keygen_ex(ctx, pass, passlen, param, cipher, md, en_de, libctx, propq);
156 else
157 ret = keygen(ctx, pass, passlen, param, cipher, md, en_de);
158
159err:
160 EVP_CIPHER_free(cipher_fetch);
161 EVP_MD_free(md_fetch);
162
163 return ret;
164}
165
166int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
167 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de)
168{
169 return EVP_PBE_CipherInit_ex(pbe_obj, pass, passlen, param, ctx, en_de, NULL, NULL);
170}
171
172DECLARE_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
173
174static int pbe2_cmp(const EVP_PBE_CTL *pbe1, const EVP_PBE_CTL *pbe2)
175{
176 int ret = pbe1->pbe_type - pbe2->pbe_type;
177 if (ret)
178 return ret;
179 else
180 return pbe1->pbe_nid - pbe2->pbe_nid;
181}
182
183IMPLEMENT_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
184
185static int pbe_cmp(const EVP_PBE_CTL *const *a, const EVP_PBE_CTL *const *b)
186{
187 int ret = (*a)->pbe_type - (*b)->pbe_type;
188 if (ret)
189 return ret;
190 else
191 return (*a)->pbe_nid - (*b)->pbe_nid;
192}
193
194/* Add a PBE algorithm */
195
196int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid,
197 int md_nid, EVP_PBE_KEYGEN *keygen)
198{
199 EVP_PBE_CTL *pbe_tmp;
200
201 if (pbe_algs == NULL) {
202 pbe_algs = sk_EVP_PBE_CTL_new(pbe_cmp);
203 if (pbe_algs == NULL)
204 goto err;
205 }
206
207 if ((pbe_tmp = OPENSSL_zalloc(sizeof(*pbe_tmp))) == NULL)
208 goto err;
209
210 pbe_tmp->pbe_type = pbe_type;
211 pbe_tmp->pbe_nid = pbe_nid;
212 pbe_tmp->cipher_nid = cipher_nid;
213 pbe_tmp->md_nid = md_nid;
214 pbe_tmp->keygen = keygen;
215
216 if (!sk_EVP_PBE_CTL_push(pbe_algs, pbe_tmp)) {
217 OPENSSL_free(pbe_tmp);
218 goto err;
219 }
220 return 1;
221
222 err:
223 ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
224 return 0;
225}
226
227int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
228 EVP_PBE_KEYGEN *keygen)
229{
230 int cipher_nid, md_nid;
231
232 if (cipher)
233 cipher_nid = EVP_CIPHER_get_nid(cipher);
234 else
235 cipher_nid = -1;
236 if (md)
237 md_nid = EVP_MD_get_type(md);
238 else
239 md_nid = -1;
240
241 return EVP_PBE_alg_add_type(EVP_PBE_TYPE_OUTER, nid,
242 cipher_nid, md_nid, keygen);
243}
244
245int EVP_PBE_find_ex(int type, int pbe_nid, int *pcnid, int *pmnid,
246 EVP_PBE_KEYGEN **pkeygen, EVP_PBE_KEYGEN_EX **pkeygen_ex)
247{
248 EVP_PBE_CTL *pbetmp = NULL, pbelu;
249 int i;
250 if (pbe_nid == NID_undef)
251 return 0;
252
253 pbelu.pbe_type = type;
254 pbelu.pbe_nid = pbe_nid;
255
256 if (pbe_algs != NULL) {
257 i = sk_EVP_PBE_CTL_find(pbe_algs, &pbelu);
258 pbetmp = sk_EVP_PBE_CTL_value(pbe_algs, i);
259 }
260 if (pbetmp == NULL) {
261 pbetmp = OBJ_bsearch_pbe2(&pbelu, builtin_pbe, OSSL_NELEM(builtin_pbe));
262 }
263 if (pbetmp == NULL)
264 return 0;
265 if (pcnid != NULL)
266 *pcnid = pbetmp->cipher_nid;
267 if (pmnid != NULL)
268 *pmnid = pbetmp->md_nid;
269 if (pkeygen != NULL)
270 *pkeygen = pbetmp->keygen;
271 if (pkeygen_ex != NULL)
272 *pkeygen_ex = pbetmp->keygen_ex;
273 return 1;
274}
275
276int EVP_PBE_find(int type, int pbe_nid,
277 int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen)
278{
279 return EVP_PBE_find_ex(type, pbe_nid, pcnid, pmnid, pkeygen, NULL);
280}
281
282static void free_evp_pbe_ctl(EVP_PBE_CTL *pbe)
283{
284 OPENSSL_free(pbe);
285}
286
287void EVP_PBE_cleanup(void)
288{
289 sk_EVP_PBE_CTL_pop_free(pbe_algs, free_evp_pbe_ctl);
290 pbe_algs = NULL;
291}
292
293int EVP_PBE_get(int *ptype, int *ppbe_nid, size_t num)
294{
295 const EVP_PBE_CTL *tpbe;
296
297 if (num >= OSSL_NELEM(builtin_pbe))
298 return 0;
299
300 tpbe = builtin_pbe + num;
301 if (ptype)
302 *ptype = tpbe->pbe_type;
303 if (ppbe_nid)
304 *ppbe_nid = tpbe->pbe_nid;
305 return 1;
306}
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