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317 lines
8.9 KiB
C
317 lines
8.9 KiB
C
/* evp_pbe.c */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project 1999.
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*/
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/* ====================================================================
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* Copyright (c) 1999-2006 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stdio.h>
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#include "cryptlib.h"
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#include <openssl/evp.h>
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#include <openssl/pkcs12.h>
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#include <openssl/x509.h>
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#include "evp_locl.h"
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/* Password based encryption (PBE) functions */
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DECLARE_STACK_OF(EVP_PBE_CTL)
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static STACK_OF(EVP_PBE_CTL) *pbe_algs;
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/* Setup a cipher context from a PBE algorithm */
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typedef struct
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{
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int pbe_type;
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int pbe_nid;
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int cipher_nid;
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int md_nid;
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EVP_PBE_KEYGEN *keygen;
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} EVP_PBE_CTL;
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static const EVP_PBE_CTL builtin_pbe[] =
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{
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{EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndDES_CBC,
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NID_des_cbc, NID_md2, PKCS5_PBE_keyivgen},
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{EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndDES_CBC,
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NID_des_cbc, NID_md5, PKCS5_PBE_keyivgen},
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{EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndRC2_CBC,
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NID_rc2_64_cbc, NID_sha1, PKCS5_PBE_keyivgen},
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#ifndef OPENSSL_NO_HMAC
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{EVP_PBE_TYPE_OUTER, NID_id_pbkdf2, -1, -1, PKCS5_v2_PBKDF2_keyivgen},
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#endif
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{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC4,
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NID_rc4, NID_sha1, PKCS12_PBE_keyivgen},
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{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC4,
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NID_rc4_40, NID_sha1, PKCS12_PBE_keyivgen},
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{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
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NID_des_ede3_cbc, NID_sha1, PKCS12_PBE_keyivgen},
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{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And2_Key_TripleDES_CBC,
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NID_des_ede_cbc, NID_sha1, PKCS12_PBE_keyivgen},
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{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC2_CBC,
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NID_rc2_cbc, NID_sha1, PKCS12_PBE_keyivgen},
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{EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC2_CBC,
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NID_rc2_40_cbc, NID_sha1, PKCS12_PBE_keyivgen},
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#ifndef OPENSSL_NO_HMAC
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{EVP_PBE_TYPE_OUTER, NID_pbes2, -1, -1, PKCS5_v2_PBE_keyivgen},
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#endif
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{EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndRC2_CBC,
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NID_rc2_64_cbc, NID_md2, PKCS5_PBE_keyivgen},
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{EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndRC2_CBC,
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NID_rc2_64_cbc, NID_md5, PKCS5_PBE_keyivgen},
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{EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndDES_CBC,
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NID_des_cbc, NID_sha1, PKCS5_PBE_keyivgen},
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{EVP_PBE_TYPE_PRF, NID_hmacWithSHA1, -1, NID_sha1, 0},
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{EVP_PBE_TYPE_PRF, NID_hmacWithMD5, -1, NID_md5, 0},
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{EVP_PBE_TYPE_PRF, NID_hmacWithSHA224, -1, NID_sha224, 0},
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{EVP_PBE_TYPE_PRF, NID_hmacWithSHA256, -1, NID_sha256, 0},
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{EVP_PBE_TYPE_PRF, NID_hmacWithSHA384, -1, NID_sha384, 0},
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{EVP_PBE_TYPE_PRF, NID_hmacWithSHA512, -1, NID_sha512, 0},
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{EVP_PBE_TYPE_PRF, NID_id_HMACGostR3411_94, -1, NID_id_GostR3411_94, 0},
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};
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#ifdef TEST
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int main(int argc, char **argv)
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{
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int i, nid_md, nid_cipher;
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EVP_PBE_CTL *tpbe, *tpbe2;
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/*OpenSSL_add_all_algorithms();*/
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for (i = 0; i < sizeof(builtin_pbe)/sizeof(EVP_PBE_CTL); i++)
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{
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tpbe = builtin_pbe + i;
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fprintf(stderr, "%d %d %s ", tpbe->pbe_type, tpbe->pbe_nid,
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OBJ_nid2sn(tpbe->pbe_nid));
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if (EVP_PBE_find(tpbe->pbe_type, tpbe->pbe_nid,
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&nid_cipher ,&nid_md,0))
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fprintf(stderr, "Found %s %s\n",
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OBJ_nid2sn(nid_cipher),
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OBJ_nid2sn(nid_md));
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else
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fprintf(stderr, "Find ERROR!!\n");
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}
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return 0;
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}
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#endif
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int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
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ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de)
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{
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const EVP_CIPHER *cipher;
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const EVP_MD *md;
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int cipher_nid, md_nid;
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EVP_PBE_KEYGEN *keygen;
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if (!EVP_PBE_find(EVP_PBE_TYPE_OUTER, OBJ_obj2nid(pbe_obj),
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&cipher_nid, &md_nid, &keygen))
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{
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char obj_tmp[80];
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EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_PBE_ALGORITHM);
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if (!pbe_obj) BUF_strlcpy (obj_tmp, "NULL", sizeof obj_tmp);
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else i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, pbe_obj);
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ERR_add_error_data(2, "TYPE=", obj_tmp);
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return 0;
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}
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if(!pass)
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passlen = 0;
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else if (passlen == -1)
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passlen = strlen(pass);
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if (cipher_nid == -1)
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cipher = NULL;
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else
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{
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cipher = EVP_get_cipherbynid(cipher_nid);
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if (!cipher)
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{
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EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_CIPHER);
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return 0;
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}
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}
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if (md_nid == -1)
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md = NULL;
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else
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{
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md = EVP_get_digestbynid(md_nid);
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if (!md)
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{
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EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_DIGEST);
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return 0;
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}
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}
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if (!keygen(ctx, pass, passlen, param, cipher, md, en_de))
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{
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EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_KEYGEN_FAILURE);
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return 0;
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}
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return 1;
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}
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DECLARE_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
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static int pbe2_cmp(const EVP_PBE_CTL *pbe1, const EVP_PBE_CTL *pbe2)
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{
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int ret = pbe1->pbe_type - pbe2->pbe_type;
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if (ret)
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return ret;
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else
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return pbe1->pbe_nid - pbe2->pbe_nid;
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}
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IMPLEMENT_OBJ_BSEARCH_CMP_FN(EVP_PBE_CTL, EVP_PBE_CTL, pbe2);
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static int pbe_cmp(const EVP_PBE_CTL * const *a, const EVP_PBE_CTL * const *b)
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{
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int ret = (*a)->pbe_type - (*b)->pbe_type;
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if (ret)
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return ret;
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else
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return (*a)->pbe_nid - (*b)->pbe_nid;
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}
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/* Add a PBE algorithm */
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int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid,
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EVP_PBE_KEYGEN *keygen)
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{
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EVP_PBE_CTL *pbe_tmp;
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if (!pbe_algs)
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pbe_algs = sk_EVP_PBE_CTL_new(pbe_cmp);
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if (!(pbe_tmp = (EVP_PBE_CTL*) OPENSSL_malloc (sizeof(EVP_PBE_CTL))))
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{
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EVPerr(EVP_F_EVP_PBE_ALG_ADD_TYPE,ERR_R_MALLOC_FAILURE);
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return 0;
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}
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pbe_tmp->pbe_type = pbe_type;
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pbe_tmp->pbe_nid = pbe_nid;
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pbe_tmp->cipher_nid = cipher_nid;
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pbe_tmp->md_nid = md_nid;
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pbe_tmp->keygen = keygen;
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sk_EVP_PBE_CTL_push (pbe_algs, pbe_tmp);
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return 1;
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}
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int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
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EVP_PBE_KEYGEN *keygen)
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{
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int cipher_nid, md_nid;
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if (cipher)
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cipher_nid = EVP_CIPHER_type(cipher);
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else
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cipher_nid = -1;
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if (md)
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md_nid = EVP_MD_type(md);
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else
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md_nid = -1;
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return EVP_PBE_alg_add_type(EVP_PBE_TYPE_OUTER, nid,
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cipher_nid, md_nid, keygen);
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}
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int EVP_PBE_find(int type, int pbe_nid,
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int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen)
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{
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EVP_PBE_CTL *pbetmp = NULL, pbelu;
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int i;
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if (pbe_nid == NID_undef)
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return 0;
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pbelu.pbe_type = type;
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pbelu.pbe_nid = pbe_nid;
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if (pbe_algs)
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{
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i = sk_EVP_PBE_CTL_find(pbe_algs, &pbelu);
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if (i != -1)
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pbetmp = sk_EVP_PBE_CTL_value (pbe_algs, i);
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}
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if (pbetmp == NULL)
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{
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pbetmp = OBJ_bsearch_pbe2(&pbelu, builtin_pbe,
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sizeof(builtin_pbe)/sizeof(EVP_PBE_CTL));
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}
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if (pbetmp == NULL)
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return 0;
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if (pcnid)
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*pcnid = pbetmp->cipher_nid;
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if (pmnid)
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*pmnid = pbetmp->md_nid;
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if (pkeygen)
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*pkeygen = pbetmp->keygen;
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return 1;
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}
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static void free_evp_pbe_ctl(EVP_PBE_CTL *pbe)
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{
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OPENSSL_freeFunc(pbe);
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}
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void EVP_PBE_cleanup(void)
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{
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sk_EVP_PBE_CTL_pop_free(pbe_algs, free_evp_pbe_ctl);
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pbe_algs = NULL;
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}
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