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/* filter.h
* Copyright (c) 1997 by Werner Koch (dd9jn)
*
* This file is part of G10.
*
* G10 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.
*
* G10 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 G10_FILTER_H
#define G10_FILTER_H
#include "cipher.h"
typedef struct {
MD_HANDLE md; /* catch all */
size_t maxbuf_size;
} md_filter_context_t;
typedef struct {
int status;
int what;
byte radbuf[4];
int idx, idx2;
u32 crc;
byte helpbuf[100];
int helpidx, helplen;
unsigned empty; /* empty line counter */
int faked;
int parse_state;
int inp_checked; /* set if inp has been checked */
int inp_bypass; /* set if the input is not armored */
int inp_eof;
} armor_filter_context_t;
typedef struct {
int status;
void *opaque; /* (used for z_stream) */
byte *inbuf;
unsigned inbufsize;
byte *outbuf;
unsigned outbufsize;
int pgpmode;
} compress_filter_context_t;
typedef struct {
DEK *dek;
u32 datalen;
BLOWFISH_context *bf_ctx;
int header;
} cipher_filter_context_t;
typedef struct {
int eof;
size_t idx;
size_t len;
byte buf[256];
} text_filter_context_t;
/* encrypt_filter_context_t defined in main.h */
/*-- mdfilter.c --*/
int md_filter( void *opaque, int control, IOBUF a, byte *buf, size_t *ret_len);
void free_md_filter_context( md_filter_context_t *mfx );
/*-- armor.c --*/
int armor_filter( void *opaque, int control,
IOBUF chain, byte *buf, size_t *ret_len);
/*-- compress.c --*/
int compress_filter( void *opaque, int control,
IOBUF chain, byte *buf, size_t *ret_len);
/*-- cipher.c --*/
int cipher_filter( void *opaque, int control,
IOBUF chain, byte *buf, size_t *ret_len);
/*-- textfilter.c --*/
int text_filter( void *opaque, int control,
IOBUF chain, byte *buf, size_t *ret_len);
#endif /*G10_FILTER_H*/

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text/x-c
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Sat, May 10, 8:28 AM (1 d, 11 h)
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Storage Handle
69/a9/6fb3d42dab0a479adc9cfdb9a2b7

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