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* File: fko_util.h
* Author: Damien S. Stuart
* Purpose: Header for utility functions used by libfko
* Copyright 2009-2013 Damien Stuart (
* License (GNU Public License):
* This program 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.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* 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
#ifndef FKO_UTIL_H
#define FKO_UTIL_H 1
/* Function prototypes
int is_valid_encoded_msg_len(const int len);
int is_valid_pt_msg_len(const int len);
int is_valid_digest_len(const int len);
int enc_mode_strtoint(const char *enc_mode_str);
short enc_mode_inttostr(int enc_mode, char* enc_mode_str, size_t enc_mode_size);
int strtol_wrapper(const char * const str, const int min,
const int max, const int exit_upon_err, int *is_err);
short digest_strtoint(const char *dt_str);
short digest_inttostr(int digest, char* digest_str, size_t digest_size);
short hmac_digest_strtoint(const char *dt_str);
short hmac_digest_inttostr(int digest, char* digest_str, size_t digest_size);
int constant_runtime_cmp(const char *a, const char *b, int len);
const char * enc_type_inttostr(const int type);
const char * msg_type_inttostr(const int type);
size_t strlcat(char *dst, const char *src, size_t siz);
size_t strlcpy(char *dst, const char *src, size_t siz);
#ifdef WIN32
char * strndup( const char * s, size_t len );
#endif /* FKO_UTIL_H */
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