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/* io.c
*
* Miscellaneous functions used by the example programs.
*/
/* nettle, low-level cryptographics library
*
* Copyright (C) 2002 Niels Möller
*
* The nettle library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* The nettle library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the nettle library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#ifndef NETTLE_EXAMPLES_IO_H_INCLUDED
#define NETTLE_EXAMPLES_IO_H_INCLUDED
#include "nettle-meta.h"
#include "yarrow.h"
#include <stdio.h>
extern int quiet_flag;
void *
xalloc(size_t size);
void
werror(const char *format, ...)
#if __GNUC___
__attribute__((__format__ (__printf__,1, 2)))
#endif
;
/* If size is > 0, read at most that many bytes. If size == 0,
* read until EOF. Allocates the buffer dynamically. */
unsigned
read_file(const char *name, unsigned size, char **buffer);
int
write_file(const char *name, unsigned size, const char *buffer);
int
write_string(FILE *f, unsigned size, const char *buffer);
int
simple_random(struct yarrow256_ctx *ctx, const char *name);
int
hash_file(const struct nettle_hash *hash, void *ctx, FILE *f);
#if WITH_HOGWEED
struct rsa_public_key;
struct rsa_private_key;
int
read_rsa_key(const char *name,
struct rsa_public_key *pub,
struct rsa_private_key *priv);
#endif /* WITH_HOGWEED */
#endif /* NETTLE_EXAMPLES_IO_H_INCLUDED */
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