1 /**
2  * \file pkcs12.h
3  *
4  * \brief PKCS#12 Personal Information Exchange Syntax
5  */
6 /*
7  *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
8  *  SPDX-License-Identifier: Apache-2.0
9  *
10  *  Licensed under the Apache License, Version 2.0 (the "License"); you may
11  *  not use this file except in compliance with the License.
12  *  You may obtain a copy of the License at
13  *
14  *  http://www.apache.org/licenses/LICENSE-2.0
15  *
16  *  Unless required by applicable law or agreed to in writing, software
17  *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
18  *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19  *  See the License for the specific language governing permissions and
20  *  limitations under the License.
21  *
22  *  This file is part of mbed TLS (https://tls.mbed.org)
23  */
24 #ifndef MBEDTLS_PKCS12_H
25 #define MBEDTLS_PKCS12_H
26 
27 #include "md.h"
28 #include "cipher.h"
29 #include "asn1.h"
30 
31 #include <stddef.h>
32 
33 #define MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA                 -0x1F80  /**< Bad input parameters to function. */
34 #define MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE            -0x1F00  /**< Feature not available, e.g. unsupported encryption scheme. */
35 #define MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT             -0x1E80  /**< PBE ASN.1 data not as expected. */
36 #define MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH              -0x1E00  /**< Given private key password does not allow for correct decryption. */
37 
38 #define MBEDTLS_PKCS12_DERIVE_KEY       1   /**< encryption/decryption key */
39 #define MBEDTLS_PKCS12_DERIVE_IV        2   /**< initialization vector     */
40 #define MBEDTLS_PKCS12_DERIVE_MAC_KEY   3   /**< integrity / MAC key       */
41 
42 #define MBEDTLS_PKCS12_PBE_DECRYPT      0
43 #define MBEDTLS_PKCS12_PBE_ENCRYPT      1
44 
45 #ifdef __cplusplus
46 extern "C" {
47 #endif
48 
49 #if defined(MBEDTLS_ASN1_PARSE_C)
50 
51 /**
52  * \brief            PKCS12 Password Based function (encryption / decryption)
53  *                   for pbeWithSHAAnd128BitRC4
54  *
55  * \param pbe_params an ASN1 buffer containing the pkcs-12PbeParams structure
56  * \param mode       either MBEDTLS_PKCS12_PBE_ENCRYPT or MBEDTLS_PKCS12_PBE_DECRYPT
57  * \param pwd        the password used (may be NULL if no password is used)
58  * \param pwdlen     length of the password (may be 0)
59  * \param input      the input data
60  * \param len        data length
61  * \param output     the output buffer
62  *
63  * \return           0 if successful, or a MBEDTLS_ERR_XXX code
64  */
65 int mbedtls_pkcs12_pbe_sha1_rc4_128( mbedtls_asn1_buf *pbe_params, int mode,
66                              const unsigned char *pwd,  size_t pwdlen,
67                              const unsigned char *input, size_t len,
68                              unsigned char *output );
69 
70 /**
71  * \brief            PKCS12 Password Based function (encryption / decryption)
72  *                   for cipher-based and mbedtls_md-based PBE's
73  *
74  * \param pbe_params an ASN1 buffer containing the pkcs-12PbeParams structure
75  * \param mode       either MBEDTLS_PKCS12_PBE_ENCRYPT or MBEDTLS_PKCS12_PBE_DECRYPT
76  * \param cipher_type the cipher used
77  * \param md_type     the mbedtls_md used
78  * \param pwd        the password used (may be NULL if no password is used)
79  * \param pwdlen     length of the password (may be 0)
80  * \param input      the input data
81  * \param len        data length
82  * \param output     the output buffer
83  *
84  * \return           0 if successful, or a MBEDTLS_ERR_XXX code
85  */
86 int mbedtls_pkcs12_pbe( mbedtls_asn1_buf *pbe_params, int mode,
87                 mbedtls_cipher_type_t cipher_type, mbedtls_md_type_t md_type,
88                 const unsigned char *pwd,  size_t pwdlen,
89                 const unsigned char *input, size_t len,
90                 unsigned char *output );
91 
92 #endif /* MBEDTLS_ASN1_PARSE_C */
93 
94 /**
95  * \brief            The PKCS#12 derivation function uses a password and a salt
96  *                   to produce pseudo-random bits for a particular "purpose".
97  *
98  *                   Depending on the given id, this function can produce an
99  *                   encryption/decryption key, an nitialization vector or an
100  *                   integrity key.
101  *
102  * \param data       buffer to store the derived data in
103  * \param datalen    length to fill
104  * \param pwd        password to use (may be NULL if no password is used)
105  * \param pwdlen     length of the password (may be 0)
106  * \param salt       salt buffer to use
107  * \param saltlen    length of the salt
108  * \param mbedtls_md         mbedtls_md type to use during the derivation
109  * \param id         id that describes the purpose (can be MBEDTLS_PKCS12_DERIVE_KEY,
110  *                   MBEDTLS_PKCS12_DERIVE_IV or MBEDTLS_PKCS12_DERIVE_MAC_KEY)
111  * \param iterations number of iterations
112  *
113  * \return          0 if successful, or a MD, BIGNUM type error.
114  */
115 int mbedtls_pkcs12_derivation( unsigned char *data, size_t datalen,
116                        const unsigned char *pwd, size_t pwdlen,
117                        const unsigned char *salt, size_t saltlen,
118                        mbedtls_md_type_t mbedtls_md, int id, int iterations );
119 
120 #ifdef __cplusplus
121 }
122 #endif
123 
124 #endif /* pkcs12.h */
125