3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 1999-2006 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
61 #include "internal/cryptlib.h"
62 #include <openssl/evp.h>
63 #include <openssl/pkcs12.h>
64 #include <openssl/x509.h>
67 /* Password based encryption (PBE) functions */
69 DECLARE_STACK_OF(EVP_PBE_CTL)
70 static STACK_OF(EVP_PBE_CTL) *pbe_algs;
72 /* Setup a cipher context from a PBE algorithm */
79 EVP_PBE_KEYGEN *keygen;
82 static const EVP_PBE_CTL builtin_pbe[] = {
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},
90 {EVP_PBE_TYPE_OUTER, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen},
92 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC4,
93 NID_rc4, NID_sha1, PKCS12_PBE_keyivgen},
94 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC4,
95 NID_rc4_40, NID_sha1, PKCS12_PBE_keyivgen},
96 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
97 NID_des_ede3_cbc, NID_sha1, PKCS12_PBE_keyivgen},
98 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And2_Key_TripleDES_CBC,
99 NID_des_ede_cbc, NID_sha1, PKCS12_PBE_keyivgen},
100 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC2_CBC,
101 NID_rc2_cbc, NID_sha1, PKCS12_PBE_keyivgen},
102 {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC2_CBC,
103 NID_rc2_40_cbc, NID_sha1, PKCS12_PBE_keyivgen},
105 {EVP_PBE_TYPE_OUTER, NID_pbes2, -1, -1, PKCS5_v2_PBE_keyivgen},
107 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndRC2_CBC,
108 NID_rc2_64_cbc, NID_md2, PKCS5_PBE_keyivgen},
109 {EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndRC2_CBC,
110 NID_rc2_64_cbc, NID_md5, PKCS5_PBE_keyivgen},
111 {EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndDES_CBC,
112 NID_des_cbc, NID_sha1, PKCS5_PBE_keyivgen},
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 {EVP_PBE_TYPE_KDF, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen},
122 #ifndef OPENSSL_NO_SCRYPT
123 {EVP_PBE_TYPE_KDF, NID_id_scrypt, -1, -1, PKCS5_v2_scrypt_keyivgen}
127 int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
128 ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de)
130 const EVP_CIPHER *cipher;
132 int cipher_nid, md_nid;
133 EVP_PBE_KEYGEN *keygen;
135 if (!EVP_PBE_find(EVP_PBE_TYPE_OUTER, OBJ_obj2nid(pbe_obj),
136 &cipher_nid, &md_nid, &keygen)) {
138 EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_UNKNOWN_PBE_ALGORITHM);
140 BUF_strlcpy(obj_tmp, "NULL", sizeof obj_tmp);
142 i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, pbe_obj);
143 ERR_add_error_data(2, "TYPE=", obj_tmp);
149 else if (passlen == -1)
150 passlen = strlen(pass);
152 if (cipher_nid == -1)
155 cipher = EVP_get_cipherbynid(cipher_nid);
157 EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_UNKNOWN_CIPHER);
165 md = EVP_get_digestbynid(md_nid);
167 EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_UNKNOWN_DIGEST);
172 if (!keygen(ctx, pass, passlen, param, cipher, md, en_de)) {
173 EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_KEYGEN_FAILURE);
179 DECLARE_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
181 static int pbe2_cmp(const EVP_PBE_CTL *pbe1, const EVP_PBE_CTL *pbe2)
183 int ret = pbe1->pbe_type - pbe2->pbe_type;
187 return pbe1->pbe_nid - pbe2->pbe_nid;
190 IMPLEMENT_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
192 static int pbe_cmp(const EVP_PBE_CTL *const *a, const EVP_PBE_CTL *const *b)
194 int ret = (*a)->pbe_type - (*b)->pbe_type;
198 return (*a)->pbe_nid - (*b)->pbe_nid;
201 /* Add a PBE algorithm */
203 int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid,
204 int md_nid, EVP_PBE_KEYGEN *keygen)
206 EVP_PBE_CTL *pbe_tmp;
208 if (pbe_algs == NULL)
209 pbe_algs = sk_EVP_PBE_CTL_new(pbe_cmp);
210 if ((pbe_tmp = OPENSSL_malloc(sizeof(*pbe_tmp))) == NULL) {
211 EVPerr(EVP_F_EVP_PBE_ALG_ADD_TYPE, ERR_R_MALLOC_FAILURE);
214 pbe_tmp->pbe_type = pbe_type;
215 pbe_tmp->pbe_nid = pbe_nid;
216 pbe_tmp->cipher_nid = cipher_nid;
217 pbe_tmp->md_nid = md_nid;
218 pbe_tmp->keygen = keygen;
220 sk_EVP_PBE_CTL_push(pbe_algs, pbe_tmp);
224 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
225 EVP_PBE_KEYGEN *keygen)
227 int cipher_nid, md_nid;
230 cipher_nid = EVP_CIPHER_nid(cipher);
234 md_nid = EVP_MD_type(md);
238 return EVP_PBE_alg_add_type(EVP_PBE_TYPE_OUTER, nid,
239 cipher_nid, md_nid, keygen);
242 int EVP_PBE_find(int type, int pbe_nid,
243 int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen)
245 EVP_PBE_CTL *pbetmp = NULL, pbelu;
247 if (pbe_nid == NID_undef)
250 pbelu.pbe_type = type;
251 pbelu.pbe_nid = pbe_nid;
254 i = sk_EVP_PBE_CTL_find(pbe_algs, &pbelu);
256 pbetmp = sk_EVP_PBE_CTL_value(pbe_algs, i);
258 if (pbetmp == NULL) {
259 pbetmp = OBJ_bsearch_pbe2(&pbelu, builtin_pbe, OSSL_NELEM(builtin_pbe));
264 *pcnid = pbetmp->cipher_nid;
266 *pmnid = pbetmp->md_nid;
268 *pkeygen = pbetmp->keygen;
272 static void free_evp_pbe_ctl(EVP_PBE_CTL *pbe)
277 void EVP_PBE_cleanup(void)
279 sk_EVP_PBE_CTL_pop_free(pbe_algs, free_evp_pbe_ctl);
283 int EVP_PBE_get(int *ptype, int *ppbe_nid, size_t num)
285 const EVP_PBE_CTL *tpbe;
287 if (num >= OSSL_NELEM(builtin_pbe))
290 tpbe = builtin_pbe + num;
292 *ptype = tpbe->pbe_type;
294 *ppbe_nid = tpbe->pbe_nid;