Adrian-Ken Rueegsegger
e2fc09c186
Nonce generators (nonce_gen_t) can be used to get or allocate nonces. Users can request nonce generators from the crypto factory while nonce plugins register/remove themselves to/from the crypto factory.
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/*
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* Copyright (C) 2012 Adrian-Ken Rueegsegger
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* Hochschule fuer Technik Rapperswil
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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 nonce_gen nonce_gen
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* @{ @ingroup crypto
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*/
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#ifndef NONCE_GEN_H_
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#define NONCE_GEN_H_
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typedef struct nonce_gen_t nonce_gen_t;
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#include <library.h>
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/**
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* Generic interface for nonce generators.
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*/
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struct nonce_gen_t {
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/**
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* Generates a nonce and writes it into the buffer.
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*
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* @param size size of nonce in bytes
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* @param buffer pointer where the generated nonce will be written
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*/
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void (*get_nonce) (nonce_gen_t *this, size_t size, u_int8_t *buffer);
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/**
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* Generates a nonce and allocates space for it.
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*
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* @param size size of nonce in bytes
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* @param chunk chunk which will hold the generated nonce
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*/
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void (*allocate_nonce) (nonce_gen_t *this, size_t size, chunk_t *chunk);
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/**
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* Destroys a nonce generator object.
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*/
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void (*destroy) (nonce_gen_t *this);
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};
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#endif /** NONCE_GEN_H_ @}*/
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