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
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 #ifndef MBEDTLS_PKCS12_H
23 #define MBEDTLS_PKCS12_H
24 
25 #if !defined(MBEDTLS_CONFIG_FILE)
26 #include "mbedtls/config.h"
27 #else
28 #include MBEDTLS_CONFIG_FILE
29 #endif
30 
31 #include "mbedtls/md.h"
32 #include "mbedtls/cipher.h"
33 #include "mbedtls/asn1.h"
34 
35 #include <stddef.h>
36 
37 #define MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA                 -0x1F80  /**< Bad input parameters to function. */
38 #define MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE            -0x1F00  /**< Feature not available, e.g. unsupported encryption scheme. */
39 #define MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT             -0x1E80  /**< PBE ASN.1 data not as expected. */
40 #define MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH              -0x1E00  /**< Given private key password does not allow for correct decryption. */
41 
42 #define MBEDTLS_PKCS12_DERIVE_KEY       1   /**< encryption/decryption key */
43 #define MBEDTLS_PKCS12_DERIVE_IV        2   /**< initialization vector     */
44 #define MBEDTLS_PKCS12_DERIVE_MAC_KEY   3   /**< integrity / MAC key       */
45 
46 #define MBEDTLS_PKCS12_PBE_DECRYPT      0
47 #define MBEDTLS_PKCS12_PBE_ENCRYPT      1
48 
49 #ifdef __cplusplus
50 extern "C" {
51 #endif
52 
53 #if defined(MBEDTLS_ASN1_PARSE_C)
54 
55 /**
56  * \brief            PKCS12 Password Based function (encryption / decryption)
57  *                   for pbeWithSHAAnd128BitRC4
58  *
59  * \param pbe_params an ASN1 buffer containing the pkcs-12PbeParams structure
60  * \param mode       either MBEDTLS_PKCS12_PBE_ENCRYPT or MBEDTLS_PKCS12_PBE_DECRYPT
61  * \param pwd        the password used (may be NULL if no password is used)
62  * \param pwdlen     length of the password (may be 0)
63  * \param input      the input data
64  * \param len        data length
65  * \param output     the output buffer
66  *
67  * \return           0 if successful, or a MBEDTLS_ERR_XXX code
68  */
69 int mbedtls_pkcs12_pbe_sha1_rc4_128( mbedtls_asn1_buf *pbe_params, int mode,
70                              const unsigned char *pwd,  size_t pwdlen,
71                              const unsigned char *input, size_t len,
72                              unsigned char *output );
73 
74 /**
75  * \brief            PKCS12 Password Based function (encryption / decryption)
76  *                   for cipher-based and mbedtls_md-based PBE's
77  *
78  * \param pbe_params an ASN1 buffer containing the pkcs-12PbeParams structure
79  * \param mode       either MBEDTLS_PKCS12_PBE_ENCRYPT or MBEDTLS_PKCS12_PBE_DECRYPT
80  * \param cipher_type the cipher used
81  * \param md_type     the mbedtls_md used
82  * \param pwd        the password used (may be NULL if no password is used)
83  * \param pwdlen     length of the password (may be 0)
84  * \param input      the input data
85  * \param len        data length
86  * \param output     the output buffer
87  *
88  * \return           0 if successful, or a MBEDTLS_ERR_XXX code
89  */
90 int mbedtls_pkcs12_pbe( mbedtls_asn1_buf *pbe_params, int mode,
91                 mbedtls_cipher_type_t cipher_type, mbedtls_md_type_t md_type,
92                 const unsigned char *pwd,  size_t pwdlen,
93                 const unsigned char *input, size_t len,
94                 unsigned char *output );
95 
96 #endif /* MBEDTLS_ASN1_PARSE_C */
97 
98 /**
99  * \brief            The PKCS#12 derivation function uses a password and a salt
100  *                   to produce pseudo-random bits for a particular "purpose".
101  *
102  *                   Depending on the given id, this function can produce an
103  *                   encryption/decryption key, an nitialization vector or an
104  *                   integrity key.
105  *
106  * \param data       buffer to store the derived data in
107  * \param datalen    length to fill
108  * \param pwd        password to use (may be NULL if no password is used)
109  * \param pwdlen     length of the password (may be 0)
110  * \param salt       salt buffer to use
111  * \param saltlen    length of the salt
112  * \param mbedtls_md         mbedtls_md type to use during the derivation
113  * \param id         id that describes the purpose (can be MBEDTLS_PKCS12_DERIVE_KEY,
114  *                   MBEDTLS_PKCS12_DERIVE_IV or MBEDTLS_PKCS12_DERIVE_MAC_KEY)
115  * \param iterations number of iterations
116  *
117  * \return          0 if successful, or a MD, BIGNUM type error.
118  */
119 int mbedtls_pkcs12_derivation( unsigned char *data, size_t datalen,
120                        const unsigned char *pwd, size_t pwdlen,
121                        const unsigned char *salt, size_t saltlen,
122                        mbedtls_md_type_t mbedtls_md, int id, int iterations );
123 
124 #ifdef __cplusplus
125 }
126 #endif
127 
128 #endif /* pkcs12.h */
129