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0f113f3e | 1 | /* |
1212818e | 2 | * Copyright 1999-2018 The OpenSSL Project Authors. All Rights Reserved. |
cfcefcbe | 3 | * |
4a8b0c55 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
62867571 RS |
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 | |
cfcefcbe DSH |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
b39fc560 | 11 | #include "internal/cryptlib.h" |
ec577822 | 12 | #include <openssl/evp.h> |
b8f702a0 | 13 | #include <openssl/pkcs12.h> |
ec577822 | 14 | #include <openssl/x509.h> |
3d63b396 | 15 | #include "evp_locl.h" |
cfcefcbe DSH |
16 | |
17 | /* Password based encryption (PBE) functions */ | |
18 | ||
cfcefcbe DSH |
19 | /* Setup a cipher context from a PBE algorithm */ |
20 | ||
4a1f3f27 | 21 | struct evp_pbe_st { |
0f113f3e MC |
22 | int pbe_type; |
23 | int pbe_nid; | |
24 | int cipher_nid; | |
25 | int md_nid; | |
26 | EVP_PBE_KEYGEN *keygen; | |
4a1f3f27 | 27 | }; |
0f113f3e | 28 | |
4a640fb6 DSH |
29 | static STACK_OF(EVP_PBE_CTL) *pbe_algs; |
30 | ||
0f113f3e MC |
31 | static 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}, | |
b8f702a0 | 38 | |
0f113f3e | 39 | {EVP_PBE_TYPE_OUTER, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen}, |
3d63b396 | 40 | |
0f113f3e MC |
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}, | |
b8f702a0 | 53 | |
0f113f3e | 54 | {EVP_PBE_TYPE_OUTER, NID_pbes2, -1, -1, PKCS5_v2_PBE_keyivgen}, |
a283d2a8 | 55 | |
0f113f3e MC |
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}, | |
418d49c2 MP |
64 | {EVP_PBE_TYPE_PRF, NID_hmac_md5, -1, NID_md5, 0}, |
65 | {EVP_PBE_TYPE_PRF, NID_hmac_sha1, -1, NID_sha1, 0}, | |
0f113f3e MC |
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}, | |
eeb1c397 MC |
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}, | |
f52292be P |
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}, | |
e98aa30d | 78 | {EVP_PBE_TYPE_KDF, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen}, |
b0809bc8 | 79 | #ifndef OPENSSL_NO_SCRYPT |
e98aa30d | 80 | {EVP_PBE_TYPE_KDF, NID_id_scrypt, -1, -1, PKCS5_v2_scrypt_keyivgen} |
b0809bc8 | 81 | #endif |
0f113f3e | 82 | }; |
b8f702a0 | 83 | |
8afca8d9 | 84 | int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen, |
0f113f3e MC |
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) | |
a2371fa9 | 97 | OPENSSL_strlcpy(obj_tmp, "NULL", sizeof(obj_tmp)); |
0f113f3e | 98 | else |
a2371fa9 | 99 | i2t_ASN1_OBJECT(obj_tmp, sizeof(obj_tmp), pbe_obj); |
0f113f3e MC |
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; | |
cfcefcbe DSH |
134 | } |
135 | ||
e19106f5 | 136 | DECLARE_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2); |
babb3798 | 137 | |
e19106f5 | 138 | static int pbe2_cmp(const EVP_PBE_CTL *pbe1, const EVP_PBE_CTL *pbe2) |
0f113f3e MC |
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 | } | |
b8f702a0 | 146 | |
e19106f5 | 147 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2); |
babb3798 | 148 | |
0f113f3e MC |
149 | static 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 | } | |
cfcefcbe DSH |
157 | |
158 | /* Add a PBE algorithm */ | |
159 | ||
0f113f3e MC |
160 | int 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; | |
b4faea50 | 164 | |
8cf9d71a | 165 | if (pbe_algs == NULL) { |
0f113f3e | 166 | pbe_algs = sk_EVP_PBE_CTL_new(pbe_cmp); |
8cf9d71a AG |
167 | if (pbe_algs == NULL) |
168 | goto err; | |
0f113f3e | 169 | } |
8cf9d71a AG |
170 | |
171 | if ((pbe_tmp = OPENSSL_malloc(sizeof(*pbe_tmp))) == NULL) | |
172 | goto err; | |
173 | ||
0f113f3e MC |
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 | ||
68efafc5 F |
180 | if (!sk_EVP_PBE_CTL_push(pbe_algs, pbe_tmp)) { |
181 | OPENSSL_free(pbe_tmp); | |
182 | goto err; | |
183 | } | |
0f113f3e | 184 | return 1; |
8cf9d71a AG |
185 | |
186 | err: | |
187 | EVPerr(EVP_F_EVP_PBE_ALG_ADD_TYPE, ERR_R_MALLOC_FAILURE); | |
188 | return 0; | |
0f113f3e | 189 | } |
856640b5 DSH |
190 | |
191 | int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md, | |
0f113f3e MC |
192 | EVP_PBE_KEYGEN *keygen) |
193 | { | |
194 | int cipher_nid, md_nid; | |
75ebbd9a | 195 | |
0f113f3e MC |
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 | } | |
856640b5 DSH |
208 | |
209 | int EVP_PBE_find(int type, int pbe_nid, | |
0f113f3e MC |
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 | ||
5b37fef0 | 220 | if (pbe_algs != NULL) { |
0f113f3e | 221 | i = sk_EVP_PBE_CTL_find(pbe_algs, &pbelu); |
5b37fef0 | 222 | pbetmp = sk_EVP_PBE_CTL_value(pbe_algs, i); |
0f113f3e MC |
223 | } |
224 | if (pbetmp == NULL) { | |
b6eb9827 | 225 | pbetmp = OBJ_bsearch_pbe2(&pbelu, builtin_pbe, OSSL_NELEM(builtin_pbe)); |
0f113f3e MC |
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 | } | |
856640b5 | 237 | |
5ce278a7 | 238 | static void free_evp_pbe_ctl(EVP_PBE_CTL *pbe) |
0f113f3e | 239 | { |
4b45c6e5 | 240 | OPENSSL_free(pbe); |
0f113f3e | 241 | } |
ee0508d4 | 242 | |
6b691a5c | 243 | void EVP_PBE_cleanup(void) |
0f113f3e MC |
244 | { |
245 | sk_EVP_PBE_CTL_pop_free(pbe_algs, free_evp_pbe_ctl); | |
246 | pbe_algs = NULL; | |
247 | } | |
d9546693 DSH |
248 | |
249 | int 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 | } |