release/src/router/openssl/crypto/evp/evp_pbe.c

   1 /* evp_pbe.c */
   2 /*
   3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
   4  * 1999.
   5  */
   6 /* ====================================================================
   7  * Copyright (c) 1999-2006 The OpenSSL Project.  All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  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
  19  *    distribution.
  20  *
  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/)"
  25  *
  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.
  30  *
  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.
  34  *
  35  * 6. Redistributions of any form whatsoever must retain the following
  36  *    acknowledgment:
  37  *    "This product includes software developed by the OpenSSL Project
  38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  39  *
  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  * ====================================================================
  53  *
  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).
  57  *
  58  */
  59
  60 #include <stdio.h>
  61 #include "cryptlib.h"
  62 #include <openssl/evp.h>
  63 #include <openssl/pkcs12.h>
  64 #include <openssl/x509.h>
  65 #include "evp_locl.h"
  66
  67 /* Password based encryption (PBE) functions */
  68
  69 DECLARE_STACK_OF(EVP_PBE_CTL)
  70 static STACK_OF(EVP_PBE_CTL) *pbe_algs;
  71
  72 /* Setup a cipher context from a PBE algorithm */
  73
  74 typedef struct {
  75     int pbe_type;
  76     int pbe_nid;
  77     int cipher_nid;
  78     int md_nid;
  79     EVP_PBE_KEYGEN *keygen;
  80 } EVP_PBE_CTL;
  81
  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},
  89
  90 #ifndef OPENSSL_NO_HMAC
  91     {EVP_PBE_TYPE_OUTER, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen},
  92 #endif
  93
  94     {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC4,
  95      NID_rc4, NID_sha1, PKCS12_PBE_keyivgen},
  96     {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC4,
  97      NID_rc4_40, NID_sha1, PKCS12_PBE_keyivgen},
  98     {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
  99      NID_des_ede3_cbc, NID_sha1, PKCS12_PBE_keyivgen},
 100     {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And2_Key_TripleDES_CBC,
 101      NID_des_ede_cbc, NID_sha1, PKCS12_PBE_keyivgen},
 102     {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC2_CBC,
 103      NID_rc2_cbc, NID_sha1, PKCS12_PBE_keyivgen},
 104     {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC2_CBC,
 105      NID_rc2_40_cbc, NID_sha1, PKCS12_PBE_keyivgen},
 106
 107 #ifndef OPENSSL_NO_HMAC
 108     {EVP_PBE_TYPE_OUTER, NID_pbes2, -1, -1, PKCS5_v2_PBE_keyivgen},
 109 #endif
 110     {EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndRC2_CBC,
 111      NID_rc2_64_cbc, NID_md2, PKCS5_PBE_keyivgen},
 112     {EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndRC2_CBC,
 113      NID_rc2_64_cbc, NID_md5, PKCS5_PBE_keyivgen},
 114     {EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndDES_CBC,
 115      NID_des_cbc, NID_sha1, PKCS5_PBE_keyivgen},
 116
 117     {EVP_PBE_TYPE_PRF, NID_hmacWithSHA1, -1, NID_sha1, 0},
 118     {EVP_PBE_TYPE_PRF, NID_hmacWithMD5, -1, NID_md5, 0},
 119     {EVP_PBE_TYPE_PRF, NID_hmacWithSHA224, -1, NID_sha224, 0},
 120     {EVP_PBE_TYPE_PRF, NID_hmacWithSHA256, -1, NID_sha256, 0},
 121     {EVP_PBE_TYPE_PRF, NID_hmacWithSHA384, -1, NID_sha384, 0},
 122     {EVP_PBE_TYPE_PRF, NID_hmacWithSHA512, -1, NID_sha512, 0},
 123     {EVP_PBE_TYPE_PRF, NID_id_HMACGostR3411_94, -1, NID_id_GostR3411_94, 0},
 124 };
 125
 126 #ifdef TEST
 127 int main(int argc, char **argv)
 128 {
 129     int i, nid_md, nid_cipher;
 130     EVP_PBE_CTL *tpbe, *tpbe2;
 131     /*
 132      * OpenSSL_add_all_algorithms();
 133      */
 134
 135     for (i = 0; i < sizeof(builtin_pbe) / sizeof(EVP_PBE_CTL); i++) {
 136         tpbe = builtin_pbe + i;
 137         fprintf(stderr, "%d %d %s ", tpbe->pbe_type, tpbe->pbe_nid,
 138                 OBJ_nid2sn(tpbe->pbe_nid));
 139         if (EVP_PBE_find(tpbe->pbe_type, tpbe->pbe_nid,
 140                          &nid_cipher, &nid_md, 0))
 141             fprintf(stderr, "Found %s %s\n",
 142                     OBJ_nid2sn(nid_cipher), OBJ_nid2sn(nid_md));
 143         else
 144             fprintf(stderr, "Find ERROR!!\n");
 145     }
 146
 147     return 0;
 148 }
 149 #endif
 150
 151 int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
 152                        ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de)
 153 {
 154     const EVP_CIPHER *cipher;
 155     const EVP_MD *md;
 156     int cipher_nid, md_nid;
 157     EVP_PBE_KEYGEN *keygen;
 158
 159     if (!EVP_PBE_find(EVP_PBE_TYPE_OUTER, OBJ_obj2nid(pbe_obj),
 160                       &cipher_nid, &md_nid, &keygen)) {
 161         char obj_tmp[80];
 162         EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_UNKNOWN_PBE_ALGORITHM);
 163         if (!pbe_obj)
 164             BUF_strlcpy(obj_tmp, "NULL", sizeof obj_tmp);
 165         else
 166             i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, pbe_obj);
 167         ERR_add_error_data(2, "TYPE=", obj_tmp);
 168         return 0;
 169     }
 170
 171     if (!pass)
 172         passlen = 0;
 173     else if (passlen == -1)
 174         passlen = strlen(pass);
 175
 176     if (cipher_nid == -1)
 177         cipher = NULL;
 178     else {
 179         cipher = EVP_get_cipherbynid(cipher_nid);
 180         if (!cipher) {
 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         md = EVP_get_digestbynid(md_nid);
 190         if (!md) {
 191             EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_UNKNOWN_DIGEST);
 192             return 0;
 193         }
 194     }
 195
 196     if (!keygen(ctx, pass, passlen, param, cipher, md, en_de)) {
 197         EVPerr(EVP_F_EVP_PBE_CIPHERINIT, EVP_R_KEYGEN_FAILURE);
 198         return 0;
 199     }
 200     return 1;
 201 }
 202
 203 DECLARE_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
 204
 205 static int pbe2_cmp(const EVP_PBE_CTL *pbe1, const EVP_PBE_CTL *pbe2)
 206 {
 207     int ret = pbe1->pbe_type - pbe2->pbe_type;
 208     if (ret)
 209         return ret;
 210     else
 211         return pbe1->pbe_nid - pbe2->pbe_nid;
 212 }
 213
 214 IMPLEMENT_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
 215
 216 static int pbe_cmp(const EVP_PBE_CTL *const *a, const EVP_PBE_CTL *const *b)
 217 {
 218     int ret = (*a)->pbe_type - (*b)->pbe_type;
 219     if (ret)
 220         return ret;
 221     else
 222         return (*a)->pbe_nid - (*b)->pbe_nid;
 223 }
 224
 225 /* Add a PBE algorithm */
 226
 227 int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid,
 228                          int md_nid, EVP_PBE_KEYGEN *keygen)
 229 {
 230     EVP_PBE_CTL *pbe_tmp;
 231
 232     if (pbe_algs == NULL) {
 233         pbe_algs = sk_EVP_PBE_CTL_new(pbe_cmp);
 234         if (pbe_algs == NULL)
 235             goto err;
 236     }
 237
 238     if ((pbe_tmp = OPENSSL_malloc(sizeof(*pbe_tmp))) == NULL)
 239         goto err;
 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     sk_EVP_PBE_CTL_push(pbe_algs, pbe_tmp);
 248     return 1;
 249
 250  err:
 251     EVPerr(EVP_F_EVP_PBE_ALG_ADD_TYPE, ERR_R_MALLOC_FAILURE);
 252     return 0;
 253 }
 254
 255 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
 256                     EVP_PBE_KEYGEN *keygen)
 257 {
 258     int cipher_nid, md_nid;
 259     if (cipher)
 260         cipher_nid = EVP_CIPHER_nid(cipher);
 261     else
 262         cipher_nid = -1;
 263     if (md)
 264         md_nid = EVP_MD_type(md);
 265     else
 266         md_nid = -1;
 267
 268     return EVP_PBE_alg_add_type(EVP_PBE_TYPE_OUTER, nid,
 269                                 cipher_nid, md_nid, keygen);
 270 }
 271
 272 int EVP_PBE_find(int type, int pbe_nid,
 273                  int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen)
 274 {
 275     EVP_PBE_CTL *pbetmp = NULL, pbelu;
 276     int i;
 277     if (pbe_nid == NID_undef)
 278         return 0;
 279
 280     pbelu.pbe_type = type;
 281     pbelu.pbe_nid = pbe_nid;
 282
 283     if (pbe_algs) {
 284         i = sk_EVP_PBE_CTL_find(pbe_algs, &pbelu);
 285         if (i != -1)
 286             pbetmp = sk_EVP_PBE_CTL_value(pbe_algs, i);
 287     }
 288     if (pbetmp == NULL) {
 289         pbetmp = OBJ_bsearch_pbe2(&pbelu, builtin_pbe,
 290                                   sizeof(builtin_pbe) / sizeof(EVP_PBE_CTL));
 291     }
 292     if (pbetmp == NULL)
 293         return 0;
 294     if (pcnid)
 295         *pcnid = pbetmp->cipher_nid;
 296     if (pmnid)
 297         *pmnid = pbetmp->md_nid;
 298     if (pkeygen)
 299         *pkeygen = pbetmp->keygen;
 300     return 1;
 301 }
 302
 303 static void free_evp_pbe_ctl(EVP_PBE_CTL *pbe)
 304 {
 305     OPENSSL_freeFunc(pbe);
 306 }
 307
 308 void EVP_PBE_cleanup(void)
 309 {
 310     sk_EVP_PBE_CTL_pop_free(pbe_algs, free_evp_pbe_ctl);
 311     pbe_algs = NULL;
 312 }