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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/* evp_pbe.c */
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 "cryptlib.h"
61#include <openssl/evp.h>
62#include <openssl/pkcs12.h>
63#include <openssl/x509.h>
64
65/* Password based encryption (PBE) functions */
66
67DECLARE_STACK_OF(EVP_PBE_CTL)
68static STACK_OF(EVP_PBE_CTL) *pbe_algs;
69
70/* Setup a cipher context from a PBE algorithm */
71
72typedef struct
73 {
74 int pbe_type;
75 int pbe_nid;
76 int cipher_nid;
77 int md_nid;
78 EVP_PBE_KEYGEN *keygen;
79 } EVP_PBE_CTL;
80
81static const EVP_PBE_CTL builtin_pbe[] =
82 {
83 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndDES_CBC,
84 NID_des_cbc, NID_md2, PKCS5_PBE_keyivgen},
85 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndDES_CBC,
86 NID_des_cbc, NID_md5, PKCS5_PBE_keyivgen},
87 {EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndRC2_CBC,
88 NID_rc2_64_cbc, NID_sha1, PKCS5_PBE_keyivgen},
89
90 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC4,
91 NID_rc4, NID_sha1, PKCS12_PBE_keyivgen},
92 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC4,
93 NID_rc4_40, NID_sha1, PKCS12_PBE_keyivgen},
94 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
95 NID_des_ede3_cbc, NID_sha1, PKCS12_PBE_keyivgen},
96 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And2_Key_TripleDES_CBC,
97 NID_des_ede_cbc, NID_sha1, PKCS12_PBE_keyivgen},
98 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC2_CBC,
99 NID_rc2_cbc, NID_sha1, PKCS12_PBE_keyivgen},
100 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC2_CBC,
101 NID_rc2_40_cbc, NID_sha1, PKCS12_PBE_keyivgen},
102
103#ifndef OPENSSL_NO_HMAC
104 {EVP_PBE_TYPE_OUTER, NID_pbes2, -1, -1, PKCS5_v2_PBE_keyivgen},
105#endif
106 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndRC2_CBC,
107 NID_rc2_64_cbc, NID_md2, PKCS5_PBE_keyivgen},
108 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndRC2_CBC,
109 NID_rc2_64_cbc, NID_md5, PKCS5_PBE_keyivgen},
110 {EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndDES_CBC,
111 NID_des_cbc, NID_sha1, PKCS5_PBE_keyivgen},
112
113
114 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA1, -1, NID_sha1, 0},
115 {EVP_PBE_TYPE_PRF, NID_hmacWithMD5, -1, NID_md5, 0},
116 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA224, -1, NID_sha224, 0},
117 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA256, -1, NID_sha256, 0},
118 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA384, -1, NID_sha384, 0},
119 {EVP_PBE_TYPE_PRF, NID_hmacWithSHA512, -1, NID_sha512, 0},
120 {EVP_PBE_TYPE_PRF, NID_id_HMACGostR3411_94, -1, NID_id_GostR3411_94, 0},
121 };
122
123#ifdef TEST
124int main(int argc, char **argv)
125 {
126 int i, nid_md, nid_cipher;
127 EVP_PBE_CTL *tpbe, *tpbe2;
128 /*OpenSSL_add_all_algorithms();*/
129
130 for (i = 0; i < sizeof(builtin_pbe)/sizeof(EVP_PBE_CTL); i++)
131 {
132 tpbe = builtin_pbe + i;
133 fprintf(stderr, "%d %d %s ", tpbe->pbe_type, tpbe->pbe_nid,
134 OBJ_nid2sn(tpbe->pbe_nid));
135 if (EVP_PBE_find(tpbe->pbe_type, tpbe->pbe_nid,
136 &nid_cipher ,&nid_md,0))
137 fprintf(stderr, "Found %s %s\n",
138 OBJ_nid2sn(nid_cipher),
139 OBJ_nid2sn(nid_md));
140 else
141 fprintf(stderr, "Find ERROR!!\n");
142 }
143
144 return 0;
145 }
146#endif
147
148
149
150int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
151 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de)
152 {
153 const EVP_CIPHER *cipher;
154 const EVP_MD *md;
155 int cipher_nid, md_nid;
156 EVP_PBE_KEYGEN *keygen;
157
158 if (!EVP_PBE_find(EVP_PBE_TYPE_OUTER, OBJ_obj2nid(pbe_obj),
159 &cipher_nid, &md_nid, &keygen))
160 {
161 char obj_tmp[80];
162 EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_PBE_ALGORITHM);
163 if (!pbe_obj) BUF_strlcpy (obj_tmp, "NULL", sizeof obj_tmp);
164 else i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, pbe_obj);
165 ERR_add_error_data(2, "TYPE=", obj_tmp);
166 return 0;
167 }
168
169 if(!pass)
170 passlen = 0;
171 else if (passlen == -1)
172 passlen = strlen(pass);
173
174 if (cipher_nid == -1)
175 cipher = NULL;
176 else
177 {
178 cipher = EVP_get_cipherbynid(cipher_nid);
179 if (!cipher)
180 {
181 EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_CIPHER);
182 return 0;
183 }
184 }
185
186 if (md_nid == -1)
187 md = NULL;
188 else
189 {
190 md = EVP_get_digestbynid(md_nid);
191 if (!md)
192 {
193 EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_DIGEST);
194 return 0;
195 }
196 }
197
198 if (!keygen(ctx, pass, passlen, param, cipher, md, en_de))
199 {
200 EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_KEYGEN_FAILURE);
201 return 0;
202 }
203 return 1;
204}
205
206DECLARE_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
207
208static int pbe2_cmp(const EVP_PBE_CTL *pbe1, const EVP_PBE_CTL *pbe2)
209 {
210 int ret = pbe1->pbe_type - pbe2->pbe_type;
211 if (ret)
212 return ret;
213 else
214 return pbe1->pbe_nid - pbe2->pbe_nid;
215 }
216
217IMPLEMENT_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
218
219static int pbe_cmp(const EVP_PBE_CTL * const *a, const EVP_PBE_CTL * const *b)
220 {
221 int ret = (*a)->pbe_type - (*b)->pbe_type;
222 if (ret)
223 return ret;
224 else
225 return (*a)->pbe_nid - (*b)->pbe_nid;
226 }
227
228/* Add a PBE algorithm */
229
230int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid,
231 EVP_PBE_KEYGEN *keygen)
232 {
233 EVP_PBE_CTL *pbe_tmp;
234 if (!pbe_algs)
235 pbe_algs = sk_EVP_PBE_CTL_new(pbe_cmp);
236 if (!(pbe_tmp = (EVP_PBE_CTL*) OPENSSL_malloc (sizeof(EVP_PBE_CTL))))
237 {
238 EVPerr(EVP_F_EVP_PBE_ALG_ADD_TYPE,ERR_R_MALLOC_FAILURE);
239 return 0;
240 }
241 pbe_tmp->pbe_type = pbe_type;
242 pbe_tmp->pbe_nid = pbe_nid;
243 pbe_tmp->cipher_nid = cipher_nid;
244 pbe_tmp->md_nid = md_nid;
245 pbe_tmp->keygen = keygen;
246
247
248 sk_EVP_PBE_CTL_push (pbe_algs, pbe_tmp);
249 return 1;
250 }
251
252int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
253 EVP_PBE_KEYGEN *keygen)
254 {
255 int cipher_nid, md_nid;
256 if (cipher)
257 cipher_nid = EVP_CIPHER_type(cipher);
258 else
259 cipher_nid = -1;
260 if (md)
261 md_nid = EVP_MD_type(md);
262 else
263 md_nid = -1;
264
265 return EVP_PBE_alg_add_type(EVP_PBE_TYPE_OUTER, nid,
266 cipher_nid, md_nid, keygen);
267 }
268
269int EVP_PBE_find(int type, int pbe_nid,
270 int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen)
271 {
272 EVP_PBE_CTL *pbetmp = NULL, pbelu;
273 int i;
274 if (pbe_nid == NID_undef)
275 return 0;
276
277 pbelu.pbe_type = type;
278 pbelu.pbe_nid = pbe_nid;
279
280 if (pbe_algs)
281 {
282 i = sk_EVP_PBE_CTL_find(pbe_algs, &pbelu);
283 if (i != -1)
284 pbetmp = sk_EVP_PBE_CTL_value (pbe_algs, i);
285 }
286 if (pbetmp == NULL)
287 {
288 pbetmp = OBJ_bsearch_pbe2(&pbelu, builtin_pbe,
289 sizeof(builtin_pbe)/sizeof(EVP_PBE_CTL));
290 }
291 if (pbetmp == NULL)
292 return 0;
293 if (pcnid)
294 *pcnid = pbetmp->cipher_nid;
295 if (pmnid)
296 *pmnid = pbetmp->md_nid;
297 if (pkeygen)
298 *pkeygen = pbetmp->keygen;
299 return 1;
300 }
301
302static void free_evp_pbe_ctl(EVP_PBE_CTL *pbe)
303 {
304 OPENSSL_freeFunc(pbe);
305 }
306
307void EVP_PBE_cleanup(void)
308 {
309 sk_EVP_PBE_CTL_pop_free(pbe_algs, free_evp_pbe_ctl);
310 pbe_algs = NULL;
311 }
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