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cipher_funcs.h
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cipher_funcs.h
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/*
*****************************************************************************
*
* File: cipher_funcs.h
*
* Purpose: Header for the fwknop cipher_funcs.c.
*
* Fwknop is developed primarily by the people listed in the file 'AUTHORS'.
* Copyright (C) 2009-2014 fwknop developers and contributors. For a full
* list of contributors, see the file 'CREDITS'.
*
* License (GNU General Public License):
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
*****************************************************************************
*/
#ifndef CIPHER_FUNCS_H
#define CIPHER_FUNCS_H 1
#include "rijndael.h"
#include "gpgme_funcs.h"
/* Provide the predicted encrypted data size for given input data based
* on a 16-byte block size (for Rijndael implementation,this also accounts
* for the 16-byte salt as well).
*/
#define PREDICT_ENCSIZE(x) (1+(x>>4)+(x&0xf?1:0))<<4
void get_random_data(unsigned char *data, const size_t len);
size_t rij_encrypt(unsigned char *in, size_t len,
const char *key, const int key_len,
unsigned char *out, int encryption_mode);
size_t rij_decrypt(unsigned char *in, size_t len,
const char *key, const int key_len,
unsigned char *out, int encryption_mode);
int add_salted_str(fko_ctx_t ctx);
int add_gpg_prefix(fko_ctx_t ctx);
#endif /* CIPHER_FUNCS_H */
/***EOF***/