/* p12_crpt.c */ /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL * project 1999. */ /* ==================================================================== * Copyright (c) 1999 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #include <stdio.h> #include "cryptlib.h" #include <openssl/pkcs12.h> /* PKCS#12 specific PBE functions */ void PKCS12_PBE_add(void) { #ifndef OPENSSL_NO_RC4 EVP_PBE_alg_add(NID_pbe_WithSHA1And128BitRC4, EVP_rc4(), EVP_sha1(), PKCS12_PBE_keyivgen); EVP_PBE_alg_add(NID_pbe_WithSHA1And40BitRC4, EVP_rc4_40(), EVP_sha1(), PKCS12_PBE_keyivgen); #endif #ifndef OPENSSL_NO_DES EVP_PBE_alg_add(NID_pbe_WithSHA1And3_Key_TripleDES_CBC, EVP_des_ede3_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen); EVP_PBE_alg_add(NID_pbe_WithSHA1And2_Key_TripleDES_CBC, EVP_des_ede_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen); #endif #ifndef OPENSSL_NO_RC2 EVP_PBE_alg_add(NID_pbe_WithSHA1And128BitRC2_CBC, EVP_rc2_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen); EVP_PBE_alg_add(NID_pbe_WithSHA1And40BitRC2_CBC, EVP_rc2_40_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen); #endif } int PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de) { PBEPARAM *pbe; int saltlen, iter, ret; unsigned char *salt; const unsigned char *pbuf; unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; /* Extract useful info from parameter */ if (param == NULL || param->type != V_ASN1_SEQUENCE || param->value.sequence == NULL) { PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR); return 0; } pbuf = param->value.sequence->data; if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) { PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR); return 0; } if (!pbe->iter) iter = 1; else iter = ASN1_INTEGER_get (pbe->iter); salt = pbe->salt->data; saltlen = pbe->salt->length; if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_KEY_ID, iter, EVP_CIPHER_key_length(cipher), key, md)) { PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_KEY_GEN_ERROR); PBEPARAM_free(pbe); return 0; } if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_IV_ID, iter, EVP_CIPHER_iv_length(cipher), iv, md)) { PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_IV_GEN_ERROR); PBEPARAM_free(pbe); return 0; } PBEPARAM_free(pbe); ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de); OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH); OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH); return ret; }