45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
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/*
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cipher.h -- header file cipher.c
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Copyright (C) 2007 Guus Sliepen <guus@tinc-vpn.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id$
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*/
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#ifndef __TINC_CIPHER_H__
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#define __TINC_CIPHER_H__
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#include <gcrypt.h>
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typedef struct cipher {
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gcry_cipher_hd_t handle;
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char *key;
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int nid;
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uint16_t keylen;
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uint16_t blklen;
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} cipher_t;
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bool cipher_open_by_name(struct cipher *, const char *);
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bool cipher_open_by_nid(struct cipher *, int);
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bool cipher_open_blowfish_ofb(struct cipher *);
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void cipher_close(struct cipher *);
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bool cipher_regenerate_key(struct cipher *);
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bool cipher_encrypt(struct cipher *, void *indata, size_t inlen, void *outdata, size_t *outlen);
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bool cipher_decrypt(struct cipher *, void *indata, size_t inlen, void *outdata, size_t *outlen);
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int cipher_get_nid(struct cipher *);
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#endif
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