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source: vbox/trunk/src/libs/openssl-1.1.1l/crypto/evp/evp_pbe.c@ 91772

Last change on this file since 91772 was 91772, checked in by vboxsync, 3 years ago

openssl-1.1.1l: Applied and adjusted our OpenSSL changes to 1.1.1l. bugref:10126
File size: 7.5 KB
Line 
1/*
2 * Copyright 1999-2018 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (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/pkcs12.h>
14#include <openssl/x509.h>
15#include "evp_local.h"
16
17/* Password based encryption (PBE) functions */
18
19/* Setup a cipher context from a PBE algorithm */
20
21struct evp_pbe_st {
22 int pbe_type;
23 int pbe_nid;
24 int cipher_nid;
25 int md_nid;
26 EVP_PBE_KEYGEN *keygen;
27};
28
29static STACK_OF(EVP_PBE_CTL) *pbe_algs;
30
31static const EVP_PBE_CTL builtin_pbe[] = {
32 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndDES_CBC,
33 NID_des_cbc, NID_md2, PKCS5_PBE_keyivgen},
34 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndDES_CBC,
35 NID_des_cbc, NID_md5, PKCS5_PBE_keyivgen},
36 {EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndRC2_CBC,
37 NID_rc2_64_cbc, NID_sha1, PKCS5_PBE_keyivgen},
38
39 {EVP_PBE_TYPE_OUTER, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen},
40
41 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC4,
42 NID_rc4, NID_sha1, PKCS12_PBE_keyivgen},
43 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC4,
44 NID_rc4_40, NID_sha1, PKCS12_PBE_keyivgen},
45 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
46 NID_des_ede3_cbc, NID_sha1, PKCS12_PBE_keyivgen},
47 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And2_Key_TripleDES_CBC,
48 NID_des_ede_cbc, NID_sha1, PKCS12_PBE_keyivgen},
49 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC2_CBC,
50 NID_rc2_cbc, NID_sha1, PKCS12_PBE_keyivgen},
51 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC2_CBC,
52 NID_rc2_40_cbc, NID_sha1, PKCS12_PBE_keyivgen},
53
54 {EVP_PBE_TYPE_OUTER, NID_pbes2, -1, -1, PKCS5_v2_PBE_keyivgen},
55
56 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndRC2_CBC,
57 NID_rc2_64_cbc, NID_md2, PKCS5_PBE_keyivgen},
58 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndRC2_CBC,
59 NID_rc2_64_cbc, NID_md5, PKCS5_PBE_keyivgen},
60 {EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndDES_CBC,
61 NID_des_cbc, NID_sha1, PKCS5_PBE_keyivgen},
62
63 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA1, -1, NID_sha1, 0},
64 {EVP_PBE_TYPE_PRF, NID_hmac_md5, -1, NID_md5, 0},
65 {EVP_PBE_TYPE_PRF, NID_hmac_sha1, -1, NID_sha1, 0},
66 {EVP_PBE_TYPE_PRF, NID_hmacWithMD5, -1, NID_md5, 0},
67 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA224, -1, NID_sha224, 0},
68 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA256, -1, NID_sha256, 0},
69 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA384, -1, NID_sha384, 0},
70 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA512, -1, NID_sha512, 0},
71 {EVP_PBE_TYPE_PRF, NID_id_HMACGostR3411_94, -1, NID_id_GostR3411_94, 0},
72 {EVP_PBE_TYPE_PRF, NID_id_tc26_hmac_gost_3411_2012_256, -1,
73 NID_id_GostR3411_2012_256, 0},
74 {EVP_PBE_TYPE_PRF, NID_id_tc26_hmac_gost_3411_2012_512, -1,
75 NID_id_GostR3411_2012_512, 0},
76 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA512_224, -1, NID_sha512_224, 0},
77 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA512_256, -1, NID_sha512_256, 0},
78 {EVP_PBE_TYPE_KDF, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen},
79#ifndef OPENSSL_NO_SCRYPT
80 {EVP_PBE_TYPE_KDF, NID_id_scrypt, -1, -1, PKCS5_v2_scrypt_keyivgen}
81#endif
82};
83
84int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
85 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de)
86{
87 const EVP_CIPHER *cipher;
88 const EVP_MD *md;
89 int cipher_nid, md_nid;
90 EVP_PBE_KEYGEN *keygen;
91
92 if (!EVP_PBE_find(EVP_PBE_TYPE_OUTER, OBJ_obj2nid(pbe_obj),
93 &cipher_nid, &md_nid, &keygen)) {
94 char obj_tmp[80];
95 EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_UNKNOWN_PBE_ALGORITHM);
96 if (!pbe_obj)
97 OPENSSL_strlcpy(obj_tmp, "NULL", sizeof(obj_tmp));
98 else
99 i2t_ASN1_OBJECT(obj_tmp, sizeof(obj_tmp), pbe_obj);
100 ERR_add_error_data(2, "TYPE=", obj_tmp);
101 return 0;
102 }
103
104 if (!pass)
105 passlen = 0;
106 else if (passlen == -1)
107 passlen = strlen(pass);
108
109 if (cipher_nid == -1)
110 cipher = NULL;
111 else {
112 cipher = EVP_get_cipherbynid(cipher_nid);
113 if (!cipher) {
114 EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_UNKNOWN_CIPHER);
115 return 0;
116 }
117 }
118
119 if (md_nid == -1)
120 md = NULL;
121 else {
122 md = EVP_get_digestbynid(md_nid);
123 if (!md) {
124 EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_UNKNOWN_DIGEST);
125 return 0;
126 }
127 }
128
129 if (!keygen(ctx, pass, passlen, param, cipher, md, en_de)) {
130 EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_KEYGEN_FAILURE);
131 return 0;
132 }
133 return 1;
134}
135
136DECLARE_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
137
138static int pbe2_cmp(const EVP_PBE_CTL *pbe1, const EVP_PBE_CTL *pbe2)
139{
140 int ret = pbe1->pbe_type - pbe2->pbe_type;
141 if (ret)
142 return ret;
143 else
144 return pbe1->pbe_nid - pbe2->pbe_nid;
145}
146
147IMPLEMENT_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
148
149static int pbe_cmp(const EVP_PBE_CTL *const *a, const EVP_PBE_CTL *const *b)
150{
151 int ret = (*a)->pbe_type - (*b)->pbe_type;
152 if (ret)
153 return ret;
154 else
155 return (*a)->pbe_nid - (*b)->pbe_nid;
156}
157
158/* Add a PBE algorithm */
159
160int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid,
161 int md_nid, EVP_PBE_KEYGEN *keygen)
162{
163 EVP_PBE_CTL *pbe_tmp;
164
165 if (pbe_algs == NULL) {
166 pbe_algs = sk_EVP_PBE_CTL_new(pbe_cmp);
167 if (pbe_algs == NULL)
168 goto err;
169 }
170
171 if ((pbe_tmp = OPENSSL_malloc(sizeof(*pbe_tmp))) == NULL)
172 goto err;
173
174 pbe_tmp->pbe_type = pbe_type;
175 pbe_tmp->pbe_nid = pbe_nid;
176 pbe_tmp->cipher_nid = cipher_nid;
177 pbe_tmp->md_nid = md_nid;
178 pbe_tmp->keygen = keygen;
179
180 if (!sk_EVP_PBE_CTL_push(pbe_algs, pbe_tmp)) {
181 OPENSSL_free(pbe_tmp);
182 goto err;
183 }
184 return 1;
185
186 err:
187 EVPerr(EVP_F_EVP_PBE_ALG_ADD_TYPE, ERR_R_MALLOC_FAILURE);
188 return 0;
189}
190
191int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
192 EVP_PBE_KEYGEN *keygen)
193{
194 int cipher_nid, md_nid;
195
196 if (cipher)
197 cipher_nid = EVP_CIPHER_nid(cipher);
198 else
199 cipher_nid = -1;
200 if (md)
201 md_nid = EVP_MD_type(md);
202 else
203 md_nid = -1;
204
205 return EVP_PBE_alg_add_type(EVP_PBE_TYPE_OUTER, nid,
206 cipher_nid, md_nid, keygen);
207}
208
209int EVP_PBE_find(int type, int pbe_nid,
210 int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen)
211{
212 EVP_PBE_CTL *pbetmp = NULL, pbelu;
213 int i;
214 if (pbe_nid == NID_undef)
215 return 0;
216
217 pbelu.pbe_type = type;
218 pbelu.pbe_nid = pbe_nid;
219
220 if (pbe_algs != NULL) {
221 i = sk_EVP_PBE_CTL_find(pbe_algs, &pbelu);
222 pbetmp = sk_EVP_PBE_CTL_value(pbe_algs, i);
223 }
224 if (pbetmp == NULL) {
225 pbetmp = OBJ_bsearch_pbe2(&pbelu, builtin_pbe, OSSL_NELEM(builtin_pbe));
226 }
227 if (pbetmp == NULL)
228 return 0;
229 if (pcnid)
230 *pcnid = pbetmp->cipher_nid;
231 if (pmnid)
232 *pmnid = pbetmp->md_nid;
233 if (pkeygen)
234 *pkeygen = pbetmp->keygen;
235 return 1;
236}
237
238static void free_evp_pbe_ctl(EVP_PBE_CTL *pbe)
239{
240 OPENSSL_free(pbe);
241}
242
243void EVP_PBE_cleanup(void)
244{
245 sk_EVP_PBE_CTL_pop_free(pbe_algs, free_evp_pbe_ctl);
246 pbe_algs = NULL;
247}
248
249int EVP_PBE_get(int *ptype, int *ppbe_nid, size_t num)
250{
251 const EVP_PBE_CTL *tpbe;
252
253 if (num >= OSSL_NELEM(builtin_pbe))
254 return 0;
255
256 tpbe = builtin_pbe + num;
257 if (ptype)
258 *ptype = tpbe->pbe_type;
259 if (ppbe_nid)
260 *ppbe_nid = tpbe->pbe_nid;
261 return 1;
262}
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