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105 lines
3.5 KiB
C
105 lines
3.5 KiB
C
/**
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* \file pkcs5.h
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*
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* \brief PKCS#5 functions
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*
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* \author Mathias Olsson <mathias@kompetensum.com>
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*
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* Copyright (C) 2006-2013, Brainspark B.V.
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*
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* This file is part of mbed TLS (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef POLARSSL_PKCS5_H
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#define POLARSSL_PKCS5_H
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#include <string.h>
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#include "asn1.h"
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#include "md.h"
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#if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32)
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#include <basetsd.h>
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typedef UINT32 uint32_t;
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#else
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#include <inttypes.h>
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#endif
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#define POLARSSL_ERR_PKCS5_BAD_INPUT_DATA -0x3f80 /**< Bad input parameters to function. */
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#define POLARSSL_ERR_PKCS5_INVALID_FORMAT -0x3f00 /**< Unexpected ASN.1 data. */
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#define POLARSSL_ERR_PKCS5_FEATURE_UNAVAILABLE -0x3e80 /**< Requested encryption or digest alg not available. */
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#define POLARSSL_ERR_PKCS5_PASSWORD_MISMATCH -0x3e00 /**< Given private key password does not allow for correct decryption. */
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#define PKCS5_DECRYPT 0
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#define PKCS5_ENCRYPT 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief PKCS#5 PBES2 function
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*
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* \param pbe_params the ASN.1 algorithm parameters
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* \param mode either PKCS5_DECRYPT or PKCS5_ENCRYPT
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* \param pwd password to use when generating key
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* \param pwdlen length of password
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* \param data data to process
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* \param datalen length of data
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* \param output output buffer
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*
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* \returns 0 on success, or a PolarSSL error code if verification fails.
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*/
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int pkcs5_pbes2( asn1_buf *pbe_params, int mode,
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const unsigned char *pwd, size_t pwdlen,
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const unsigned char *data, size_t datalen,
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unsigned char *output );
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/**
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* \brief PKCS#5 PBKDF2 using HMAC
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*
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* \param ctx Generic HMAC context
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* \param password Password to use when generating key
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* \param plen Length of password
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* \param salt Salt to use when generating key
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* \param slen Length of salt
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* \param iteration_count Iteration count
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* \param key_length Length of generated key
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* \param output Generated key. Must be at least as big as key_length
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*
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* \returns 0 on success, or a PolarSSL error code if verification fails.
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*/
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int pkcs5_pbkdf2_hmac( md_context_t *ctx, const unsigned char *password,
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size_t plen, const unsigned char *salt, size_t slen,
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unsigned int iteration_count,
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uint32_t key_length, unsigned char *output );
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/**
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* \brief Checkup routine
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*
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* \return 0 if successful, or 1 if the test failed
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*/
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int pkcs5_self_test( int verbose );
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#ifdef __cplusplus
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}
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#endif
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#endif /* pkcs5.h */
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