crypto/pkcs12/p12_crpt.c

/* 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 PBE algorithms now in static table */

void PKCS12_PBE_add(void)
{
}

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];

    if (cipher == NULL)
        return 0;

    /* 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;
}
Revision:	11620
Committed:	Sun Jul 8 16:40:18 2018 UTC (5 years, 9 months ago) by laffer1
Content type:	text/plain
File size:	4634 byte(s)
Log Message:	fix merge issues
#	Content
1	/* p12_crpt.c */
2	/*
3	* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4	* 1999.
5	*/
6	/* ====================================================================
7	* Copyright (c) 1999 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/pkcs12.h>
63
64	/* PKCS#12 PBE algorithms now in static table */
65
66	void PKCS12_PBE_add(void)
67	{
68	}
69
70	int PKCS12_PBE_keyivgen(EVP_CIPHER_CTX ctx, const char pass, int passlen,
71	ASN1_TYPE param, const EVP_CIPHER cipher,
72	const EVP_MD *md, int en_de)
73	{
74	PBEPARAM *pbe;
75	int saltlen, iter, ret;
76	unsigned char *salt;
77	const unsigned char *pbuf;
78	unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
79
80	if (cipher == NULL)
81	return 0;
82
83	/* Extract useful info from parameter */
84	if (param == NULL \|\| param->type != V_ASN1_SEQUENCE \|\|
85	param->value.sequence == NULL) {
86	PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_DECODE_ERROR);
87	return 0;
88	}
89
90	pbuf = param->value.sequence->data;
91	if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
92	PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_DECODE_ERROR);
93	return 0;
94	}
95
96	if (!pbe->iter)
97	iter = 1;
98	else
99	iter = ASN1_INTEGER_get(pbe->iter);
100	salt = pbe->salt->data;
101	saltlen = pbe->salt->length;
102	if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_KEY_ID,
103	iter, EVP_CIPHER_key_length(cipher), key, md)) {
104	PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_KEY_GEN_ERROR);
105	PBEPARAM_free(pbe);
106	return 0;
107	}
108	if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_IV_ID,
109	iter, EVP_CIPHER_iv_length(cipher), iv, md)) {
110	PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_IV_GEN_ERROR);
111	PBEPARAM_free(pbe);
112	return 0;
113	}
114	PBEPARAM_free(pbe);
115	ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de);
116	OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH);
117	OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH);
118	return ret;
119	}