55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/**
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* \file lib/cipher_funcs.h
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*
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* \brief Header for the fwknop cipher_funcs.c.
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*/
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/* Fwknop is developed primarily by the people listed in the file 'AUTHORS'.
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* Copyright (C) 2009-2015 fwknop developers and contributors. For a full
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* list of contributors, see the file 'CREDITS'.
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*
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* License (GNU General Public License):
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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*****************************************************************************
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*/
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#ifndef CIPHER_FUNCS_H
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#define CIPHER_FUNCS_H 1
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#include "rijndael.h"
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#include "gpgme_funcs.h"
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/* Provide the predicted encrypted data size for given input data based
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* on a 16-byte block size (for Rijndael implementation,this also accounts
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* for the 16-byte salt as well).
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*/
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#define PREDICT_ENCSIZE(x) (1+(x>>4)+(x&0xf?1:0))<<4
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void get_random_data(unsigned char *data, const size_t len);
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size_t rij_encrypt(unsigned char *in, size_t len,
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const char *key, const int key_len,
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unsigned char *out, int encryption_mode);
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size_t rij_decrypt(unsigned char *in, size_t len,
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const char *key, const int key_len,
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unsigned char *out, int encryption_mode);
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int add_salted_str(fko_ctx_t ctx);
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int add_gpg_prefix(fko_ctx_t ctx);
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#endif /* CIPHER_FUNCS_H */
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/***EOF***/
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