fwknop/lib/fko_util.c
2012-07-27 23:25:32 -04:00

79 lines
1.9 KiB
C

/*
*****************************************************************************
*
* File: fko_util.c
*
* Author: Michael Rash
*
* Purpose: Set/Get the current username.
*
* Copyright 2012 Michael Rash (mbr@cipherdyne.org)
*
* 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
* 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
*
*****************************************************************************
*/
#include "fko_common.h"
#include "fko.h"
/* Validate encoded message length
*/
int
is_valid_encoded_msg_len(const int len)
{
if(len < MIN_SPA_ENCODED_MSG_SIZE || len >= MAX_SPA_ENCODED_MSG_SIZE)
return(0);
return(1);
}
/* Validate plaintext input size
*/
int
is_valid_pt_msg_len(const int len)
{
if(len < MIN_SPA_PLAINTEXT_MSG_SIZE || len >= MAX_SPA_PLAINTEXT_MSG_SIZE)
return(0);
return(1);
}
/* Validate digest length
*/
int
is_valid_digest_len(const int len)
{
switch(len)
{
case MD5_B64_LENGTH:
break;
case SHA1_B64_LENGTH:
break;
case SHA256_B64_LENGTH:
break;
case SHA384_B64_LENGTH:
break;
case SHA512_B64_LENGTH:
break;
default:
return(0);
}
return(1);
}