pkcs12.h

00001 /**
00002  * \file pkcs12.h
00003  *
00004  * \brief PKCS#12 Personal Information Exchange Syntax
00005  *
00006  *  Copyright (C) 2006-2013, ARM Limited, All Rights Reserved
00007  *
00008  *  This file is part of mbed TLS (https://tls.mbed.org)
00009  *
00010  *  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version.
00014  *
00015  *  This program is distributed in the hope that it will be useful,
00016  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018  *  GNU General Public License for more details.
00019  *
00020  *  You should have received a copy of the GNU General Public License along
00021  *  with this program; if not, write to the Free Software Foundation, Inc.,
00022  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00023  */
00024 #ifndef POLARSSL_PKCS12_H
00025 #define POLARSSL_PKCS12_H
00026 
00027 #include "md.h"
00028 #include "cipher.h"
00029 #include "asn1.h"
00030 
00031 #include <stddef.h>
00032 
00033 #define POLARSSL_ERR_PKCS12_BAD_INPUT_DATA                 -0x1F80  /**< Bad input parameters to function. */
00034 #define POLARSSL_ERR_PKCS12_FEATURE_UNAVAILABLE            -0x1F00  /**< Feature not available, e.g. unsupported encryption scheme. */
00035 #define POLARSSL_ERR_PKCS12_PBE_INVALID_FORMAT             -0x1E80  /**< PBE ASN.1 data not as expected. */
00036 #define POLARSSL_ERR_PKCS12_PASSWORD_MISMATCH              -0x1E00  /**< Given private key password does not allow for correct decryption. */
00037 
00038 #define PKCS12_DERIVE_KEY       1   /**< encryption/decryption key */
00039 #define PKCS12_DERIVE_IV        2   /**< initialization vector     */
00040 #define PKCS12_DERIVE_MAC_KEY   3   /**< integrity / MAC key       */
00041 
00042 #define PKCS12_PBE_DECRYPT      0
00043 #define PKCS12_PBE_ENCRYPT      1
00044 
00045 #ifdef __cplusplus
00046 extern "C" {
00047 #endif
00048 
00049 /**
00050  * \brief            PKCS12 Password Based function (encryption / decryption)
00051  *                   for pbeWithSHAAnd128BitRC4
00052  *
00053  * \param pbe_params an ASN1 buffer containing the pkcs-12PbeParams structure
00054  * \param mode       either PKCS12_PBE_ENCRYPT or PKCS12_PBE_DECRYPT
00055  * \param pwd        the password used (may be NULL if no password is used)
00056  * \param pwdlen     length of the password (may be 0)
00057  * \param input      the input data
00058  * \param len        data length
00059  * \param output     the output buffer
00060  *
00061  * \return           0 if successful, or a POLARSSL_ERR_xxx code
00062  */
00063 int pkcs12_pbe_sha1_rc4_128( asn1_buf *pbe_params, int mode,
00064                              const unsigned char *pwd,  size_t pwdlen,
00065                              const unsigned char *input, size_t len,
00066                              unsigned char *output );
00067 
00068 /**
00069  * \brief            PKCS12 Password Based function (encryption / decryption)
00070  *                   for cipher-based and md-based PBE's
00071  *
00072  * \param pbe_params an ASN1 buffer containing the pkcs-12PbeParams structure
00073  * \param mode       either PKCS12_PBE_ENCRYPT or PKCS12_PBE_DECRYPT
00074  * \param cipher_type the cipher used
00075  * \param md_type     the md used
00076  * \param pwd        the password used (may be NULL if no password is used)
00077  * \param pwdlen     length of the password (may be 0)
00078  * \param input      the input data
00079  * \param len        data length
00080  * \param output     the output buffer
00081  *
00082  * \return           0 if successful, or a POLARSSL_ERR_xxx code
00083  */
00084 int pkcs12_pbe( asn1_buf *pbe_params, int mode,
00085                 cipher_type_t cipher_type, md_type_t md_type,
00086                 const unsigned char *pwd,  size_t pwdlen,
00087                 const unsigned char *input, size_t len,
00088                 unsigned char *output );
00089 
00090 /**
00091  * \brief            The PKCS#12 derivation function uses a password and a salt
00092  *                   to produce pseudo-random bits for a particular "purpose".
00093  *
00094  *                   Depending on the given id, this function can produce an
00095  *                   encryption/decryption key, an nitialization vector or an
00096  *                   integrity key.
00097  *
00098  * \param data       buffer to store the derived data in
00099  * \param datalen    length to fill
00100  * \param pwd        password to use (may be NULL if no password is used)
00101  * \param pwdlen     length of the password (may be 0)
00102  * \param salt       salt buffer to use
00103  * \param saltlen    length of the salt
00104  * \param md         md type to use during the derivation
00105  * \param id         id that describes the purpose (can be PKCS12_DERIVE_KEY,
00106  *                   PKCS12_DERIVE_IV or PKCS12_DERIVE_MAC_KEY)
00107  * \param iterations number of iterations
00108  *
00109  * \return          0 if successful, or a MD, BIGNUM type error.
00110  */
00111 int pkcs12_derivation( unsigned char *data, size_t datalen,
00112                        const unsigned char *pwd, size_t pwdlen,
00113                        const unsigned char *salt, size_t saltlen,
00114                        md_type_t md, int id, int iterations );
00115 
00116 #ifdef __cplusplus
00117 }
00118 #endif
00119 
00120 #endif /* pkcs12.h */
00121