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diff --git a/src/lib/libcrypto/evp/evp_pbe.c b/src/lib/libcrypto/evp/evp_pbe.c
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1/* $OpenBSD: evp_pbe.c,v 1.23 2015/02/08 22:20:18 miod Exp $ */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 1999.
4 */
5/* ====================================================================
6 * Copyright (c) 1999-2006 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include <string.h>
61
62#include <openssl/opensslconf.h>
63
64#include <openssl/err.h>
65#include <openssl/evp.h>
66#include <openssl/pkcs12.h>
67#include <openssl/x509.h>
68
69#include "evp_locl.h"
70
71/* Password based encryption (PBE) functions */
72
73DECLARE_STACK_OF(EVP_PBE_CTL)
74static STACK_OF(EVP_PBE_CTL) *pbe_algs;
75
76/* Setup a cipher context from a PBE algorithm */
77
78typedef struct {
79 int pbe_type;
80 int pbe_nid;
81 int cipher_nid;
82 int md_nid;
83 EVP_PBE_KEYGEN *keygen;
84} EVP_PBE_CTL;
85
86static const EVP_PBE_CTL builtin_pbe[] = {
87 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndDES_CBC, NID_des_cbc, NID_md2, PKCS5_PBE_keyivgen},
88 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndDES_CBC, NID_des_cbc, NID_md5, PKCS5_PBE_keyivgen},
89 {EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndRC2_CBC, NID_rc2_64_cbc, NID_sha1, PKCS5_PBE_keyivgen},
90
91#ifndef OPENSSL_NO_HMAC
92 {EVP_PBE_TYPE_OUTER, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen},
93#endif
94
95 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC4, NID_rc4, NID_sha1, PKCS12_PBE_keyivgen},
96 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC4, NID_rc4_40, NID_sha1, PKCS12_PBE_keyivgen},
97 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And3_Key_TripleDES_CBC, NID_des_ede3_cbc, NID_sha1, PKCS12_PBE_keyivgen},
98 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And2_Key_TripleDES_CBC, NID_des_ede_cbc, NID_sha1, PKCS12_PBE_keyivgen},
99 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC2_CBC, NID_rc2_cbc, NID_sha1, PKCS12_PBE_keyivgen},
100 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC2_CBC, NID_rc2_40_cbc, NID_sha1, PKCS12_PBE_keyivgen},
101
102#ifndef OPENSSL_NO_HMAC
103 {EVP_PBE_TYPE_OUTER, NID_pbes2, -1, -1, PKCS5_v2_PBE_keyivgen},
104#endif
105 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndRC2_CBC, NID_rc2_64_cbc, NID_md2, PKCS5_PBE_keyivgen},
106 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndRC2_CBC, NID_rc2_64_cbc, NID_md5, PKCS5_PBE_keyivgen},
107 {EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndDES_CBC, NID_des_cbc, NID_sha1, PKCS5_PBE_keyivgen},
108
109
110 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA1, -1, NID_sha1, 0},
111 {EVP_PBE_TYPE_PRF, NID_hmacWithMD5, -1, NID_md5, 0},
112 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA224, -1, NID_sha224, 0},
113 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA256, -1, NID_sha256, 0},
114 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA384, -1, NID_sha384, 0},
115 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA512, -1, NID_sha512, 0},
116 {EVP_PBE_TYPE_PRF, NID_id_HMACGostR3411_94, -1, NID_id_GostR3411_94, 0},
117};
118
119int
120EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
121 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de)
122{
123 const EVP_CIPHER *cipher;
124 const EVP_MD *md;
125 int cipher_nid, md_nid;
126 EVP_PBE_KEYGEN *keygen;
127
128 if (!EVP_PBE_find(EVP_PBE_TYPE_OUTER, OBJ_obj2nid(pbe_obj),
129 &cipher_nid, &md_nid, &keygen)) {
130 char obj_tmp[80];
131 EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_UNKNOWN_PBE_ALGORITHM);
132 if (!pbe_obj)
133 strlcpy(obj_tmp, "NULL", sizeof obj_tmp);
134 else
135 i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, pbe_obj);
136 ERR_asprintf_error_data("TYPE=%s", obj_tmp);
137 return 0;
138 }
139
140 if (!pass)
141 passlen = 0;
142 else if (passlen == -1)
143 passlen = strlen(pass);
144
145 if (cipher_nid == -1)
146 cipher = NULL;
147 else {
148 cipher = EVP_get_cipherbynid(cipher_nid);
149 if (!cipher) {
150 EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_UNKNOWN_CIPHER);
151 return 0;
152 }
153 }
154
155 if (md_nid == -1)
156 md = NULL;
157 else {
158 md = EVP_get_digestbynid(md_nid);
159 if (!md) {
160 EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_UNKNOWN_DIGEST);
161 return 0;
162 }
163 }
164
165 if (!keygen(ctx, pass, passlen, param, cipher, md, en_de)) {
166 EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_KEYGEN_FAILURE);
167 return 0;
168 }
169 return 1;
170}
171
172DECLARE_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
173
174static int
175pbe2_cmp(const EVP_PBE_CTL *pbe1, const EVP_PBE_CTL *pbe2)
176{
177 int ret = pbe1->pbe_type - pbe2->pbe_type;
178
179 if (ret)
180 return ret;
181 else
182 return pbe1->pbe_nid - pbe2->pbe_nid;
183}
184
185IMPLEMENT_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
186
187static int
188pbe_cmp(const EVP_PBE_CTL * const *a, const EVP_PBE_CTL * const *b)
189{
190 int ret = (*a)->pbe_type - (*b)->pbe_type;
191
192 if (ret)
193 return ret;
194 else
195 return (*a)->pbe_nid - (*b)->pbe_nid;
196}
197
198/* Add a PBE algorithm */
199
200int
201EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid,
202 EVP_PBE_KEYGEN *keygen)
203{
204 EVP_PBE_CTL *pbe_tmp;
205
206 if (pbe_algs == NULL) {
207 pbe_algs = sk_EVP_PBE_CTL_new(pbe_cmp);
208 if (pbe_algs == NULL) {
209 EVPerr(EVP_F_EVP_PBE_ALG_ADD_TYPE,
210 ERR_R_MALLOC_FAILURE);
211 return 0;
212 }
213 }
214 pbe_tmp = malloc(sizeof(EVP_PBE_CTL));
215 if (pbe_tmp == NULL) {
216 EVPerr(EVP_F_EVP_PBE_ALG_ADD_TYPE, ERR_R_MALLOC_FAILURE);
217 return 0;
218 }
219 pbe_tmp->pbe_type = pbe_type;
220 pbe_tmp->pbe_nid = pbe_nid;
221 pbe_tmp->cipher_nid = cipher_nid;
222 pbe_tmp->md_nid = md_nid;
223 pbe_tmp->keygen = keygen;
224
225 if (sk_EVP_PBE_CTL_push(pbe_algs, pbe_tmp) == 0) {
226 free(pbe_tmp);
227 EVPerr(EVP_F_EVP_PBE_ALG_ADD_TYPE, ERR_R_MALLOC_FAILURE);
228 return 0;
229 }
230 return 1;
231}
232
233int
234EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
235 EVP_PBE_KEYGEN *keygen)
236{
237 int cipher_nid, md_nid;
238
239 if (cipher)
240 cipher_nid = EVP_CIPHER_nid(cipher);
241 else
242 cipher_nid = -1;
243 if (md)
244 md_nid = EVP_MD_type(md);
245 else
246 md_nid = -1;
247
248 return EVP_PBE_alg_add_type(EVP_PBE_TYPE_OUTER, nid,
249 cipher_nid, md_nid, keygen);
250}
251
252int
253EVP_PBE_find(int type, int pbe_nid,
254 int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen)
255{
256 EVP_PBE_CTL *pbetmp = NULL, pbelu;
257 int i;
258 if (pbe_nid == NID_undef)
259 return 0;
260
261 pbelu.pbe_type = type;
262 pbelu.pbe_nid = pbe_nid;
263
264 if (pbe_algs) {
265 i = sk_EVP_PBE_CTL_find(pbe_algs, &pbelu);
266 if (i != -1)
267 pbetmp = sk_EVP_PBE_CTL_value (pbe_algs, i);
268 }
269 if (pbetmp == NULL) {
270 pbetmp = OBJ_bsearch_pbe2(&pbelu, builtin_pbe,
271 sizeof(builtin_pbe)/sizeof(EVP_PBE_CTL));
272 }
273 if (pbetmp == NULL)
274 return 0;
275 if (pcnid)
276 *pcnid = pbetmp->cipher_nid;
277 if (pmnid)
278 *pmnid = pbetmp->md_nid;
279 if (pkeygen)
280 *pkeygen = pbetmp->keygen;
281 return 1;
282}
283
284static void
285free_evp_pbe_ctl(EVP_PBE_CTL *pbe)
286{
287 free(pbe);
288}
289
290void
291EVP_PBE_cleanup(void)
292{
293 sk_EVP_PBE_CTL_pop_free(pbe_algs, free_evp_pbe_ctl);
294 pbe_algs = NULL;
295}
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