73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
/*
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* Copyright (C) 2010 Martin Willi
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* Copyright (C) 2010 revosec AG
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup tls_prf tls_prf
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* @{ @ingroup libtls
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*/
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#ifndef TLS_PRF_H_
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#define TLS_PRF_H_
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typedef struct tls_prf_t tls_prf_t;
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#include <crypto/prfs/prf.h>
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/**
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* The PRF function specified on TLS, based on HMAC.
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*/
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struct tls_prf_t {
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/**
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* Set the key of the PRF function.
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*
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* @param key key to set
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*/
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void (*set_key)(tls_prf_t *this, chunk_t key);
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/**
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* Generate a series of bytes using a label and a seed.
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*
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* @param label ASCII input label
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* @param seed seed input value
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* @param bytes number of bytes to get
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* @param out buffer receiving bytes
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*/
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void (*get_bytes)(tls_prf_t *this, char *label, chunk_t seed,
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size_t bytes, char *out);
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/**
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* Destroy a tls_prf_t.
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*/
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void (*destroy)(tls_prf_t *this);
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};
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/**
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* Create a tls_prf instance with specific algorithm as in TLS 1.2.
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*
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* @param hash underlying PRF function to use
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* @return TLS PRF algorithm
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*/
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tls_prf_t *tls_prf_create_12(pseudo_random_function_t prf);
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/**
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* Create a tls_prf instance with XOred SHA1/MD5 as in TLS 1.0/1.1.
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*
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* @return TLS PRF algorithm
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*/
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tls_prf_t *tls_prf_create_10();
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#endif /** TLS_PRF_H_ @}*/
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