1 /**
2  * \file pkcs12.h
3  *
4  * \brief PKCS#12 Personal Information Exchange Syntax
5  */
6 /*
7  *  Copyright The Mbed TLS Contributors
8  *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
9  *
10  *  This file is provided under the Apache License 2.0, or the
11  *  GNU General Public License v2.0 or later.
12  *
13  *  **********
14  *  Apache License 2.0:
15  *
16  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
17  *  not use this file except in compliance with the License.
18  *  You may obtain a copy of the License at
19  *
20  *  http://www.apache.org/licenses/LICENSE-2.0
21  *
22  *  Unless required by applicable law or agreed to in writing, software
23  *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
24  *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
25  *  See the License for the specific language governing permissions and
26  *  limitations under the License.
27  *
28  *  **********
29  *
30  *  **********
31  *  GNU General Public License v2.0 or later:
32  *
33  *  This program is free software; you can redistribute it and/or modify
34  *  it under the terms of the GNU General Public License as published by
35  *  the Free Software Foundation; either version 2 of the License, or
36  *  (at your option) any later version.
37  *
38  *  This program is distributed in the hope that it will be useful,
39  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
40  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
41  *  GNU General Public License for more details.
42  *
43  *  You should have received a copy of the GNU General Public License along
44  *  with this program; if not, write to the Free Software Foundation, Inc.,
45  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
46  *
47  *  **********
48  */
49 #ifndef MBEDTLS_PKCS12_H
50 #define MBEDTLS_PKCS12_H
51 
52 #if !defined(MBEDTLS_CONFIG_FILE)
53 #include "config.h"
54 #else
55 #include MBEDTLS_CONFIG_FILE
56 #endif
57 
58 #include "md.h"
59 #include "cipher.h"
60 #include "asn1.h"
61 
62 #include <stddef.h>
63 
64 #define MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA                 -0x1F80  /**< Bad input parameters to function. */
65 #define MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE            -0x1F00  /**< Feature not available, e.g. unsupported encryption scheme. */
66 #define MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT             -0x1E80  /**< PBE ASN.1 data not as expected. */
67 #define MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH              -0x1E00  /**< Given private key password does not allow for correct decryption. */
68 
69 #define MBEDTLS_PKCS12_DERIVE_KEY       1   /**< encryption/decryption key */
70 #define MBEDTLS_PKCS12_DERIVE_IV        2   /**< initialization vector     */
71 #define MBEDTLS_PKCS12_DERIVE_MAC_KEY   3   /**< integrity / MAC key       */
72 
73 #define MBEDTLS_PKCS12_PBE_DECRYPT      0
74 #define MBEDTLS_PKCS12_PBE_ENCRYPT      1
75 
76 #ifdef __cplusplus
77 extern "C" {
78 #endif
79 
80 #if defined(MBEDTLS_ASN1_PARSE_C)
81 
82 /**
83  * \brief            PKCS12 Password Based function (encryption / decryption)
84  *                   for pbeWithSHAAnd128BitRC4
85  *
86  * \param pbe_params an ASN1 buffer containing the pkcs-12PbeParams structure
87  * \param mode       either MBEDTLS_PKCS12_PBE_ENCRYPT or MBEDTLS_PKCS12_PBE_DECRYPT
88  * \param pwd        the password used (may be NULL if no password is used)
89  * \param pwdlen     length of the password (may be 0)
90  * \param input      the input data
91  * \param len        data length
92  * \param output     the output buffer
93  *
94  * \return           0 if successful, or a MBEDTLS_ERR_XXX code
95  */
96 int mbedtls_pkcs12_pbe_sha1_rc4_128( mbedtls_asn1_buf *pbe_params, int mode,
97                              const unsigned char *pwd,  size_t pwdlen,
98                              const unsigned char *input, size_t len,
99                              unsigned char *output );
100 
101 /**
102  * \brief            PKCS12 Password Based function (encryption / decryption)
103  *                   for cipher-based and mbedtls_md-based PBE's
104  *
105  * \param pbe_params an ASN1 buffer containing the pkcs-12PbeParams structure
106  * \param mode       either MBEDTLS_PKCS12_PBE_ENCRYPT or MBEDTLS_PKCS12_PBE_DECRYPT
107  * \param cipher_type the cipher used
108  * \param md_type     the mbedtls_md used
109  * \param pwd        the password used (may be NULL if no password is used)
110  * \param pwdlen     length of the password (may be 0)
111  * \param input      the input data
112  * \param len        data length
113  * \param output     the output buffer
114  *
115  * \return           0 if successful, or a MBEDTLS_ERR_XXX code
116  */
117 int mbedtls_pkcs12_pbe( mbedtls_asn1_buf *pbe_params, int mode,
118                 mbedtls_cipher_type_t cipher_type, mbedtls_md_type_t md_type,
119                 const unsigned char *pwd,  size_t pwdlen,
120                 const unsigned char *input, size_t len,
121                 unsigned char *output );
122 
123 #endif /* MBEDTLS_ASN1_PARSE_C */
124 
125 /**
126  * \brief            The PKCS#12 derivation function uses a password and a salt
127  *                   to produce pseudo-random bits for a particular "purpose".
128  *
129  *                   Depending on the given id, this function can produce an
130  *                   encryption/decryption key, an nitialization vector or an
131  *                   integrity key.
132  *
133  * \param data       buffer to store the derived data in
134  * \param datalen    length to fill
135  * \param pwd        password to use (may be NULL if no password is used)
136  * \param pwdlen     length of the password (may be 0)
137  * \param salt       salt buffer to use
138  * \param saltlen    length of the salt
139  * \param mbedtls_md         mbedtls_md type to use during the derivation
140  * \param id         id that describes the purpose (can be MBEDTLS_PKCS12_DERIVE_KEY,
141  *                   MBEDTLS_PKCS12_DERIVE_IV or MBEDTLS_PKCS12_DERIVE_MAC_KEY)
142  * \param iterations number of iterations
143  *
144  * \return          0 if successful, or a MD, BIGNUM type error.
145  */
146 int mbedtls_pkcs12_derivation( unsigned char *data, size_t datalen,
147                        const unsigned char *pwd, size_t pwdlen,
148                        const unsigned char *salt, size_t saltlen,
149                        mbedtls_md_type_t mbedtls_md, int id, int iterations );
150 
151 #ifdef __cplusplus
152 }
153 #endif
154 
155 #endif /* pkcs12.h */
156