155714Skris/* p12_crpt.c */ 2194206Ssimon/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 355714Skris * project 1999. 455714Skris */ 555714Skris/* ==================================================================== 655714Skris * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 755714Skris * 855714Skris * Redistribution and use in source and binary forms, with or without 955714Skris * modification, are permitted provided that the following conditions 1055714Skris * are met: 1155714Skris * 1255714Skris * 1. Redistributions of source code must retain the above copyright 1355714Skris * notice, this list of conditions and the following disclaimer. 1455714Skris * 1555714Skris * 2. Redistributions in binary form must reproduce the above copyright 1655714Skris * notice, this list of conditions and the following disclaimer in 1755714Skris * the documentation and/or other materials provided with the 1855714Skris * distribution. 1955714Skris * 2055714Skris * 3. All advertising materials mentioning features or use of this 2155714Skris * software must display the following acknowledgment: 2255714Skris * "This product includes software developed by the OpenSSL Project 2355714Skris * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 2455714Skris * 2555714Skris * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 2655714Skris * endorse or promote products derived from this software without 2755714Skris * prior written permission. For written permission, please contact 2855714Skris * licensing@OpenSSL.org. 2955714Skris * 3055714Skris * 5. Products derived from this software may not be called "OpenSSL" 3155714Skris * nor may "OpenSSL" appear in their names without prior written 3255714Skris * permission of the OpenSSL Project. 3355714Skris * 3455714Skris * 6. Redistributions of any form whatsoever must retain the following 3555714Skris * acknowledgment: 3655714Skris * "This product includes software developed by the OpenSSL Project 3755714Skris * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 3855714Skris * 3955714Skris * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 4055714Skris * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4155714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 4255714Skris * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 4355714Skris * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 4455714Skris * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 4555714Skris * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 4655714Skris * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4755714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 4855714Skris * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 4955714Skris * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 5055714Skris * OF THE POSSIBILITY OF SUCH DAMAGE. 5155714Skris * ==================================================================== 5255714Skris * 5355714Skris * This product includes cryptographic software written by Eric Young 5455714Skris * (eay@cryptsoft.com). This product includes software written by Tim 5555714Skris * Hudson (tjh@cryptsoft.com). 5655714Skris * 5755714Skris */ 5855714Skris 5955714Skris#include <stdio.h> 6055714Skris#include "cryptlib.h" 6155714Skris#include <openssl/pkcs12.h> 6255714Skris 63238405Sjkim/* PKCS#12 PBE algorithms now in static table */ 6455714Skris 6555714Skrisvoid PKCS12_PBE_add(void) 6655714Skris{ 6755714Skris} 6855714Skris 69160814Ssimonint PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, 70109998Smarkm ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de) 7155714Skris{ 7255714Skris PBEPARAM *pbe; 73160814Ssimon int saltlen, iter, ret; 74160814Ssimon unsigned char *salt; 75160814Ssimon const unsigned char *pbuf; 7655714Skris unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; 7755714Skris 7855714Skris /* Extract useful info from parameter */ 79160814Ssimon if (param == NULL || param->type != V_ASN1_SEQUENCE || 80160814Ssimon param->value.sequence == NULL) { 81160814Ssimon PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR); 82160814Ssimon return 0; 83160814Ssimon } 84160814Ssimon 8555714Skris pbuf = param->value.sequence->data; 86160814Ssimon if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) { 87160814Ssimon PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR); 8855714Skris return 0; 8955714Skris } 9055714Skris 9155714Skris if (!pbe->iter) iter = 1; 9255714Skris else iter = ASN1_INTEGER_get (pbe->iter); 9355714Skris salt = pbe->salt->data; 9455714Skris saltlen = pbe->salt->length; 9555714Skris if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_KEY_ID, 9655714Skris iter, EVP_CIPHER_key_length(cipher), key, md)) { 9755714Skris PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_KEY_GEN_ERROR); 9855714Skris PBEPARAM_free(pbe); 9955714Skris return 0; 10055714Skris } 10155714Skris if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_IV_ID, 10255714Skris iter, EVP_CIPHER_iv_length(cipher), iv, md)) { 10355714Skris PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_IV_GEN_ERROR); 10455714Skris PBEPARAM_free(pbe); 10555714Skris return 0; 10655714Skris } 10755714Skris PBEPARAM_free(pbe); 108160814Ssimon ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de); 109109998Smarkm OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH); 110109998Smarkm OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH); 111160814Ssimon return ret; 11255714Skris} 113