crypt.c

c语言编的网络操作系统。具备网络操作系统基本功能。

/*
nexOS: crypt.c - mini libc crpyt functions
Copyright 2004 nexOS development team

This file is part of nexOS.

nexOS 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.

nexOS 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 nexOS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

#include <crypt.h>
#include <memory.h>

#if 0

const char init_perm[] = {
  57,49,41,33,25,17, 9, 1,
  59,51,43,35,27,19,11, 3,
  61,53,45,37,29,21,13, 5,
  63,55,47,39,31,23,15, 7,
  56,48,40,32,24,16, 8, 0,
  58,50,42,34,26,18,10, 2,
  60,52,44,36,28,20,12, 4,
  62,54,46,38,30,22,14, 6  
};    

const char final_perm[] = {
  39, 7,47,15,55,23,63,31,
  38, 6,46,14,54,22,62,30,
  37, 5,45,13,53,21,61,29,
  36, 4,44,12,52,20,60,28,
  35, 3,43,11,51,19,59,27,
  34, 2,42,10,50,18,58,26,
  33, 1,41, 9,49,17,57,25,
  32, 0,40, 8,48,16,56,24
};    

char *crypt(const char *key, const char *salt)
{
    static char hash[32];
    /* do the crypt part here */
    
    return hash;
}    

void encrypt(char block[64], int edflag)
{
    if( edflag == 1 )
    {
        /* encrypt */
    }
    else if( edflag == 0 )
    {
        /* decrypt */
    }    
}

void setkey(const char *key)
{
    
}

#endif