Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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> |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 64 | |
| 65 | /* Password based encryption (PBE) functions */ |
| 66 | |
| 67 | DECLARE_STACK_OF(EVP_PBE_CTL) |
| 68 | static STACK_OF(EVP_PBE_CTL) *pbe_algs; |
| 69 | |
| 70 | /* Setup a cipher context from a PBE algorithm */ |
| 71 | |
| 72 | typedef 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 | |
| 81 | static 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 | |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 |
| 124 | int 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 | |
| 150 | int 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 | |
| 206 | DECLARE_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2); |
| 207 | |
| 208 | static 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 | |
| 217 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2); |
| 218 | |
| 219 | static 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 | |
| 230 | int 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 | |
| 252 | int 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 | |
| 269 | int 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 | |
| 302 | static void free_evp_pbe_ctl(EVP_PBE_CTL *pbe) |
| 303 | { |
| 304 | OPENSSL_freeFunc(pbe); |
| 305 | } |
| 306 | |
| 307 | void EVP_PBE_cleanup(void) |
| 308 | { |
| 309 | sk_EVP_PBE_CTL_pop_free(pbe_algs, free_evp_pbe_ctl); |
| 310 | pbe_algs = NULL; |
| 311 | } |