Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/evp/evp_pbe.c |
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1 | /* $OpenBSD: evp_pbe.c,v 1.25 2017/01/29 17:49:23 beck 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 | - | |||||||
73 | DECLARE_STACK_OF(EVP_PBE_CTL) | - | ||||||
74 | static STACK_OF(EVP_PBE_CTL) *pbe_algs; | - | ||||||
75 | - | |||||||
76 | /* Setup a cipher context from a PBE algorithm */ | - | ||||||
77 | - | |||||||
78 | typedef 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 | - | |||||||
86 | static 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 | - | |||||||
119 | int | - | ||||||
120 | EVP_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),
| 0 | ||||||
129 | &cipher_nid, &md_nid, &keygen)) {
| 0 | ||||||
130 | char obj_tmp[80]; | - | ||||||
131 | EVPerror(EVP_R_UNKNOWN_PBE_ALGORITHM); | - | ||||||
132 | if (!pbe_obj)
| 0 | ||||||
133 | strlcpy(obj_tmp, "NULL", sizeof obj_tmp); never executed: strlcpy(obj_tmp, "NULL", sizeof obj_tmp); | 0 | ||||||
134 | else | - | ||||||
135 | i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, pbe_obj); never executed: i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, pbe_obj); | 0 | ||||||
136 | ERR_asprintf_error_data("TYPE=%s", obj_tmp); | - | ||||||
137 | return 0; never executed: return 0; | 0 | ||||||
138 | } | - | ||||||
139 | - | |||||||
140 | if (!pass)
| 0 | ||||||
141 | passlen = 0; never executed: passlen = 0; | 0 | ||||||
142 | else if (passlen == -1)
| 0 | ||||||
143 | passlen = strlen(pass); never executed: passlen = strlen(pass); | 0 | ||||||
144 | - | |||||||
145 | if (cipher_nid == -1)
| 0 | ||||||
146 | cipher = NULL; never executed: cipher = ((void *)0) ; | 0 | ||||||
147 | else { | - | ||||||
148 | cipher = EVP_get_cipherbynid(cipher_nid); | - | ||||||
149 | if (!cipher) {
| 0 | ||||||
150 | EVPerror(EVP_R_UNKNOWN_CIPHER); | - | ||||||
151 | return 0; never executed: return 0; | 0 | ||||||
152 | } | - | ||||||
153 | } never executed: end of block | 0 | ||||||
154 | - | |||||||
155 | if (md_nid == -1)
| 0 | ||||||
156 | md = NULL; never executed: md = ((void *)0) ; | 0 | ||||||
157 | else { | - | ||||||
158 | md = EVP_get_digestbynid(md_nid); | - | ||||||
159 | if (!md) {
| 0 | ||||||
160 | EVPerror(EVP_R_UNKNOWN_DIGEST); | - | ||||||
161 | return 0; never executed: return 0; | 0 | ||||||
162 | } | - | ||||||
163 | } never executed: end of block | 0 | ||||||
164 | - | |||||||
165 | if (!keygen(ctx, pass, passlen, param, cipher, md, en_de)) {
| 0 | ||||||
166 | EVPerror(EVP_R_KEYGEN_FAILURE); | - | ||||||
167 | return 0; never executed: return 0; | 0 | ||||||
168 | } | - | ||||||
169 | return 1; never executed: return 1; | 0 | ||||||
170 | } | - | ||||||
171 | - | |||||||
172 | static int pbe2_cmp_BSEARCH_CMP_FN(const void *, const void *); | - | ||||||
173 | static int pbe2_cmp(EVP_PBE_CTL const *, EVP_PBE_CTL const *); | - | ||||||
174 | static EVP_PBE_CTL *OBJ_bsearch_pbe2(EVP_PBE_CTL *key, EVP_PBE_CTL const *base, int num); | - | ||||||
175 | - | |||||||
176 | static int | - | ||||||
177 | pbe2_cmp(const EVP_PBE_CTL *pbe1, const EVP_PBE_CTL *pbe2) | - | ||||||
178 | { | - | ||||||
179 | int ret = pbe1->pbe_type - pbe2->pbe_type; | - | ||||||
180 | - | |||||||
181 | if (ret)
| 0 | ||||||
182 | return ret; never executed: return ret; | 0 | ||||||
183 | else | - | ||||||
184 | return pbe1->pbe_nid - pbe2->pbe_nid; never executed: return pbe1->pbe_nid - pbe2->pbe_nid; | 0 | ||||||
185 | } | - | ||||||
186 | - | |||||||
187 | - | |||||||
188 | static int | - | ||||||
189 | pbe2_cmp_BSEARCH_CMP_FN(const void *a_, const void *b_) | - | ||||||
190 | { | - | ||||||
191 | EVP_PBE_CTL const *a = a_; | - | ||||||
192 | EVP_PBE_CTL const *b = b_; | - | ||||||
193 | return pbe2_cmp(a, b); never executed: return pbe2_cmp(a, b); | 0 | ||||||
194 | } | - | ||||||
195 | - | |||||||
196 | static EVP_PBE_CTL * | - | ||||||
197 | OBJ_bsearch_pbe2(EVP_PBE_CTL *key, EVP_PBE_CTL const *base, int num) | - | ||||||
198 | { | - | ||||||
199 | return (EVP_PBE_CTL *)OBJ_bsearch_(key, base, num, sizeof(EVP_PBE_CTL), never executed: return (EVP_PBE_CTL *)OBJ_bsearch_(key, base, num, sizeof(EVP_PBE_CTL), pbe2_cmp_BSEARCH_CMP_FN); | 0 | ||||||
200 | pbe2_cmp_BSEARCH_CMP_FN); never executed: return (EVP_PBE_CTL *)OBJ_bsearch_(key, base, num, sizeof(EVP_PBE_CTL), pbe2_cmp_BSEARCH_CMP_FN); | 0 | ||||||
201 | } | - | ||||||
202 | - | |||||||
203 | static int | - | ||||||
204 | pbe_cmp(const EVP_PBE_CTL * const *a, const EVP_PBE_CTL * const *b) | - | ||||||
205 | { | - | ||||||
206 | int ret = (*a)->pbe_type - (*b)->pbe_type; | - | ||||||
207 | - | |||||||
208 | if (ret)
| 0 | ||||||
209 | return ret; never executed: return ret; | 0 | ||||||
210 | else | - | ||||||
211 | return (*a)->pbe_nid - (*b)->pbe_nid; never executed: return (*a)->pbe_nid - (*b)->pbe_nid; | 0 | ||||||
212 | } | - | ||||||
213 | - | |||||||
214 | /* Add a PBE algorithm */ | - | ||||||
215 | - | |||||||
216 | int | - | ||||||
217 | EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid, | - | ||||||
218 | EVP_PBE_KEYGEN *keygen) | - | ||||||
219 | { | - | ||||||
220 | EVP_PBE_CTL *pbe_tmp; | - | ||||||
221 | - | |||||||
222 | if (pbe_algs == NULL) {
| 0 | ||||||
223 | pbe_algs = sk_EVP_PBE_CTL_new(pbe_cmp); | - | ||||||
224 | if (pbe_algs == NULL) {
| 0 | ||||||
225 | EVPerror(ERR_R_MALLOC_FAILURE); | - | ||||||
226 | return 0; never executed: return 0; | 0 | ||||||
227 | } | - | ||||||
228 | } never executed: end of block | 0 | ||||||
229 | pbe_tmp = malloc(sizeof(EVP_PBE_CTL)); | - | ||||||
230 | if (pbe_tmp == NULL) {
| 0 | ||||||
231 | EVPerror(ERR_R_MALLOC_FAILURE); | - | ||||||
232 | return 0; never executed: return 0; | 0 | ||||||
233 | } | - | ||||||
234 | pbe_tmp->pbe_type = pbe_type; | - | ||||||
235 | pbe_tmp->pbe_nid = pbe_nid; | - | ||||||
236 | pbe_tmp->cipher_nid = cipher_nid; | - | ||||||
237 | pbe_tmp->md_nid = md_nid; | - | ||||||
238 | pbe_tmp->keygen = keygen; | - | ||||||
239 | - | |||||||
240 | if (sk_EVP_PBE_CTL_push(pbe_algs, pbe_tmp) == 0) {
| 0 | ||||||
241 | free(pbe_tmp); | - | ||||||
242 | EVPerror(ERR_R_MALLOC_FAILURE); | - | ||||||
243 | return 0; never executed: return 0; | 0 | ||||||
244 | } | - | ||||||
245 | return 1; never executed: return 1; | 0 | ||||||
246 | } | - | ||||||
247 | - | |||||||
248 | int | - | ||||||
249 | EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md, | - | ||||||
250 | EVP_PBE_KEYGEN *keygen) | - | ||||||
251 | { | - | ||||||
252 | int cipher_nid, md_nid; | - | ||||||
253 | - | |||||||
254 | if (cipher)
| 0 | ||||||
255 | cipher_nid = EVP_CIPHER_nid(cipher); never executed: cipher_nid = EVP_CIPHER_nid(cipher); | 0 | ||||||
256 | else | - | ||||||
257 | cipher_nid = -1; never executed: cipher_nid = -1; | 0 | ||||||
258 | if (md)
| 0 | ||||||
259 | md_nid = EVP_MD_type(md); never executed: md_nid = EVP_MD_type(md); | 0 | ||||||
260 | else | - | ||||||
261 | md_nid = -1; never executed: md_nid = -1; | 0 | ||||||
262 | - | |||||||
263 | return EVP_PBE_alg_add_type(EVP_PBE_TYPE_OUTER, nid, never executed: return EVP_PBE_alg_add_type(0x0, nid, cipher_nid, md_nid, keygen); | 0 | ||||||
264 | cipher_nid, md_nid, keygen); never executed: return EVP_PBE_alg_add_type(0x0, nid, cipher_nid, md_nid, keygen); | 0 | ||||||
265 | } | - | ||||||
266 | - | |||||||
267 | int | - | ||||||
268 | EVP_PBE_find(int type, int pbe_nid, | - | ||||||
269 | int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen) | - | ||||||
270 | { | - | ||||||
271 | EVP_PBE_CTL *pbetmp = NULL, pbelu; | - | ||||||
272 | int i; | - | ||||||
273 | if (pbe_nid == NID_undef)
| 0 | ||||||
274 | return 0; never executed: return 0; | 0 | ||||||
275 | - | |||||||
276 | pbelu.pbe_type = type; | - | ||||||
277 | pbelu.pbe_nid = pbe_nid; | - | ||||||
278 | - | |||||||
279 | if (pbe_algs) {
| 0 | ||||||
280 | i = sk_EVP_PBE_CTL_find(pbe_algs, &pbelu); | - | ||||||
281 | if (i != -1)
| 0 | ||||||
282 | pbetmp = sk_EVP_PBE_CTL_value (pbe_algs, i); never executed: pbetmp = ((EVP_PBE_CTL *)sk_value(((_STACK*) (1 ? (pbe_algs) : (struct stack_st_EVP_PBE_CTL*)0)), (i))); | 0 | ||||||
283 | } never executed: end of block | 0 | ||||||
284 | if (pbetmp == NULL) {
| 0 | ||||||
285 | pbetmp = OBJ_bsearch_pbe2(&pbelu, builtin_pbe, | - | ||||||
286 | sizeof(builtin_pbe)/sizeof(EVP_PBE_CTL)); | - | ||||||
287 | } never executed: end of block | 0 | ||||||
288 | if (pbetmp == NULL)
| 0 | ||||||
289 | return 0; never executed: return 0; | 0 | ||||||
290 | if (pcnid)
| 0 | ||||||
291 | *pcnid = pbetmp->cipher_nid; never executed: *pcnid = pbetmp->cipher_nid; | 0 | ||||||
292 | if (pmnid)
| 0 | ||||||
293 | *pmnid = pbetmp->md_nid; never executed: *pmnid = pbetmp->md_nid; | 0 | ||||||
294 | if (pkeygen)
| 0 | ||||||
295 | *pkeygen = pbetmp->keygen; never executed: *pkeygen = pbetmp->keygen; | 0 | ||||||
296 | return 1; never executed: return 1; | 0 | ||||||
297 | } | - | ||||||
298 | - | |||||||
299 | static void | - | ||||||
300 | free_evp_pbe_ctl(EVP_PBE_CTL *pbe) | - | ||||||
301 | { | - | ||||||
302 | free(pbe); | - | ||||||
303 | } never executed: end of block | 0 | ||||||
304 | - | |||||||
305 | void | - | ||||||
306 | EVP_PBE_cleanup(void) | - | ||||||
307 | { | - | ||||||
308 | sk_EVP_PBE_CTL_pop_free(pbe_algs, free_evp_pbe_ctl); | - | ||||||
309 | pbe_algs = NULL; | - | ||||||
310 | } executed 263 times by 4 tests: end of block Executed by:
| 263 | ||||||
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