os/ossrv/ssl/libcrypto/src/crypto/pkcs12/p12_crpt.c
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200 (2012-06-15)
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     1 /* p12_crpt.c */
     2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
     3  * project 1999.
     4  */
     5 /* ====================================================================
     6  * Copyright (c) 1999 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/pkcs12.h>
    62 
    63 /* PKCS#12 specific PBE functions */
    64 
    65 EXPORT_C void PKCS12_PBE_add(void)
    66 {
    67 #ifndef OPENSSL_NO_RC4
    68 EVP_PBE_alg_add(NID_pbe_WithSHA1And128BitRC4, EVP_rc4(), EVP_sha1(),
    69 							 PKCS12_PBE_keyivgen);
    70 EVP_PBE_alg_add(NID_pbe_WithSHA1And40BitRC4, EVP_rc4_40(), EVP_sha1(),
    71 							 PKCS12_PBE_keyivgen);
    72 #endif
    73 #ifndef OPENSSL_NO_DES
    74 EVP_PBE_alg_add(NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
    75 		 	EVP_des_ede3_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen);
    76 EVP_PBE_alg_add(NID_pbe_WithSHA1And2_Key_TripleDES_CBC, 
    77 			EVP_des_ede_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen);
    78 #endif
    79 #ifndef OPENSSL_NO_RC2
    80 EVP_PBE_alg_add(NID_pbe_WithSHA1And128BitRC2_CBC, EVP_rc2_cbc(),
    81 					EVP_sha1(), PKCS12_PBE_keyivgen);
    82 EVP_PBE_alg_add(NID_pbe_WithSHA1And40BitRC2_CBC, EVP_rc2_40_cbc(),
    83 					EVP_sha1(), PKCS12_PBE_keyivgen);
    84 #endif
    85 }
    86 
    87 EXPORT_C int PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
    88 		ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de)
    89 {
    90 	PBEPARAM *pbe;
    91 	int saltlen, iter, ret;
    92 	unsigned char *salt;
    93 	const unsigned char *pbuf;
    94 	unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
    95 
    96 	/* Extract useful info from parameter */
    97 	if (param == NULL || param->type != V_ASN1_SEQUENCE ||
    98 	    param->value.sequence == NULL) {
    99 		PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR);
   100 		return 0;
   101 	}
   102 
   103 	pbuf = param->value.sequence->data;
   104 	if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
   105 		PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR);
   106 		return 0;
   107 	}
   108 
   109 	if (!pbe->iter) iter = 1;
   110 	else iter = ASN1_INTEGER_get (pbe->iter);
   111 	salt = pbe->salt->data;
   112 	saltlen = pbe->salt->length;
   113 	if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_KEY_ID,
   114 			     iter, EVP_CIPHER_key_length(cipher), key, md)) {
   115 		PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_KEY_GEN_ERROR);
   116 		PBEPARAM_free(pbe);
   117 		return 0;
   118 	}
   119 	if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_IV_ID,
   120 				iter, EVP_CIPHER_iv_length(cipher), iv, md)) {
   121 		PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_IV_GEN_ERROR);
   122 		PBEPARAM_free(pbe);
   123 		return 0;
   124 	}
   125 	PBEPARAM_free(pbe);
   126 	ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de);
   127 	OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH);
   128 	OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH);
   129 	return ret;
   130 }