132 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /**
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|  * Copyright (C) 2015-2016 Virgil Security Inc.
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|  *
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|  * Lead Maintainer: Virgil Security Inc. <support@virgilsecurity.com>
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|  *
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|  * All rights reserved.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions are
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|  * met:
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|  *
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|  *     (1) Redistributions of source code must retain the above copyright
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|  *     notice, this list of conditions and the following disclaimer.
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|  *
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|  *     (2) Redistributions in binary form must reproduce the above copyright
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|  *     notice, this list of conditions and the following disclaimer in
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|  *     the documentation and/or other materials provided with the
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|  *     distribution.
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|  *
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|  *     (3) Neither the name of the copyright holder nor the names of its
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|  *     contributors may be used to endorse or promote products derived from
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|  *     this software without specific prior written permission.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR
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|  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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|  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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|  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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|  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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|  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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|  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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|  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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|  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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|  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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|  * POSSIBILITY OF SUCH DAMAGE.
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|  *
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|  * This file is part of extension to mbed TLS (https://tls.mbed.org)
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|  */
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| 
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| #ifndef MBEDTLS_KDF_H
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| #define MBEDTLS_KDF_H
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| 
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| #include <string.h>
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| 
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| #include "md.h"
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| 
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| #define MBEDTLS_ERR_KDF_BAD_INPUT_DATA                     -0x5F80  /**< Bad input parameters to function. */
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| 
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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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| typedef enum {
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|     MBEDTLS_KDF_NONE=0,
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|     MBEDTLS_KDF_KDF1,
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|     MBEDTLS_KDF_KDF2,
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| } mbedtls_kdf_type_t;
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| 
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| /**
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|  * Opaque struct defined in kdf_internal.h
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|  */
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| typedef struct mbedtls_kdf_info_t mbedtls_kdf_info_t;
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| 
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| /**
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|  * \brief Returns the list of key derivation functions supported by the key derivation module.
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|  *
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|  * \return          a statically allocated array of key derivation functions, the last entry
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|  *                  is 0.
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|  */
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| const int *mbedtls_kdf_list( void );
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| 
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| /**
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|  * \brief           Returns the key derivation function information associated with the
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|  *                  given key derivation function name.
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|  *
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|  * \param kdf_name  Name of the key derivation function to search for.
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|  *
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|  * \return          The key derivation function information associated with kdf_name or
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|  *                  NULL if not found.
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|  */
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| const mbedtls_kdf_info_t *mbedtls_kdf_info_from_string( const char *kdf_name );
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| 
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| /**
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|  * \brief           Returns the key derivation function information associated with the
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|  *                  given key derivation function type.
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|  *
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|  * \param kdf_type  type of key derivation function to search for.
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|  *
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|  * \return          The key derivation function information associated with kdf_type or
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|  *                  NULL if not found.
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|  */
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| const mbedtls_kdf_info_t *mbedtls_kdf_info_from_type( mbedtls_kdf_type_t kdf_type );
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| 
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| /**
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|  * \brief           Returns the name of the key derivation function.
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|  *
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|  * \param kdf_info  key derivation function info
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|  *
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|  * \return          name of the key derivation function.
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|  */
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| const char *mbedtls_kdf_get_name( const mbedtls_kdf_info_t *kdf_info );
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| 
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| /**
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|  * \brief           Returns the type of the key derivation function.
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|  *
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|  * \param kdf_info  key derivation function info
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|  *
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|  * \return          type of the key derivation function.
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|  */
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| mbedtls_kdf_type_t mbedtls_kdf_get_type( const mbedtls_kdf_info_t *kdf_info );
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| 
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| /**
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|  * \brief          Output = message_key derivation function( input buffer )
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|  *
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|  * \param kdf_info key derivation function info
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|  * \param md_info  message digest info
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|  * \param input    buffer holding the  data
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|  * \param ilen     length of the input data
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|  * \param output   Generic key derivation function checksum result
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|  * \param olen     Generic key derivation function checksum result length
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|  *
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|  * \returns        0 on success, MBEDTLS_ERR_MD_BAD_INPUT_DATA if parameter
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|  *                 verification fails.
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|  */
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| int mbedtls_kdf( const mbedtls_kdf_info_t *kdf_info, const mbedtls_md_info_t *md_info,
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|         const unsigned char *input, size_t ilen, unsigned char *output, size_t olen );
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| 
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| #ifdef __cplusplus
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| }
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| #endif
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| 
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| #endif /* MBEDTLS_KDF_H */
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