Michael Rash
3095f0ee43
Added --key-gen to allow KEY_BASE64 and HMAC_KEY_BASE64 keys to be created from reading random data from /dev/random. These keys can be placed within server access.conf files and corresponding client .fwknoprc files for SPA communications. The HMAC key is not used yet with this commit, but that is coming.
59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
/*
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*****************************************************************************
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*
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* File: cipher_funcs.h
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*
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* Author: Damien S. Stuart
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*
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* Purpose: Header for the fwknop cipher_funcs.c.
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*
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* Copyright 2009-2010 Damien Stuart (dstuart@dstuart.org)
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*
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* License (GNU 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 "fko_common.h"
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#include "rijndael.h"
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#include "gpgme_funcs.h"
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/* Define the consistent prefixes or salt on some ecryption schemes.
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* We identify them here so we can remove and reinsert when needed.
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*/
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#define B64_RIJNDAEL_SALT "U2FsdGVkX1"
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#define B64_GPG_PREFIX "hQ"
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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, 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, unsigned char *out, int encryption_mode);
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#endif /* CIPHER_FUNCS_H */
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/***EOF***/
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