blow_ex.cpp

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "nixsys.h"
#include "blowfish.h"

using namespace n2nc;

int main(int argc, char *argv[]){
  void *buf = malloc(264);
  void *buf2 = malloc(264);
//   char *str= "encripted datajhjhgkhgfjhtguaEND" ; /* adding chain IV null */
  char *str = "AncripteDncripteFncriptA" ; /* adding chain IV null */
  char *str1= "BncripteDncripteFncriptB" ; /* adding chain IV null */
  char *str2= "CncripteDncripteFncriptC" ; /* adding chain IV null */
  security::BlowFish::key_t key ;
  strncpy((char*)key.key,"0123456789012345",16) ;
  int fd =  open("examples/out",0);
  int outw,n, written, c ,i;
  std::cerr << "strlen:" << strlen(str) << std::endl;
  security::BlowFish bf(&key), bf2(&key) ;
  char ivnull[8];
  bzero (ivnull,8);
  
  if (argc < 2){
    std::cerr << "encripting" << std::endl ;
    outw = 0 ;
    while(n = ::read(0,buf,256)){
      bf.reinit();
      outw = bf.encrypt(buf, buf2,n);
      ::write(1,buf2,outw);
      std::cerr << "written: " << outw << std::endl ;
    }
  }else{
    outw = 0 ;
      std::cerr << "decripting" << std::endl ;
//     while(n = ::read(fd,buf,264)){
    while(n = ::read(0,buf,264)){
      bf.reinit();
      outw = bf.decrypt(buf, buf2,n);
      if (outw< 0) exit(1);
      ::write(1,buf2,outw);
      std::cerr << "written: " << outw << std::endl ;
    }
  }
  return EXIT_SUCCESS;
  
/*  written = bf.encrypt((void*)str,buf,strlen(str));
  written += bf.encrypt((void*)str,(void*)((uint)buf+written),strlen(str));
  
  bf2.decrypt(  (void*) ((uint)buf + 0),buf2,written);
  std::cerr << (char*)buf2 << "\twlen:" << written << std::endl ;*/
  
  for(i=0 ; i<100 ; i++){
    written = bf.encrypt((void*)str,buf,strlen(str));
    c = bf2.decrypt(  (void*) ((uint)buf + 0),buf2,written);
    std::cerr << (char*)buf2 +8 << "\twlen:" << written << " desize:" << c << std::endl ;
  }
  
  written = bf.encrypt((void*)str,buf,strlen(str));
  c = bf2.decrypt(  (void*) ((uint)buf + 0),buf2,written);
  std::cerr << (char*)buf2 << "\twlen:" << written << " desize:" << c << std::endl ;
  
//   written = bf.encrypt((void*)str,buf,strlen(str));
// //   bf2.decrypt(  (void*) ((uint)buf + 0),buf2,written);
//   std::cerr << (char*)buf2 << "\twlen:" << written << std::endl ;
  
  written = bf.encrypt((void*)str1,buf,strlen(str));
  c = bf2.decrypt(  (void*) ((uint)buf + 0),buf2,written);
  std::cerr << (char*)buf2 << "\twlen:" << written << " desize:" << c << std::endl ;
  
  written = bf.encrypt((void*)str2,buf,strlen(str));
  c = bf2.decrypt(  (void*) ((uint)buf + 0),buf2,written);
  std::cerr << (char*)buf2 << "\twlen:" << written << " desize:" << c << std::endl ;
  
  
  
//   bf2.reinit();
  
  
//   bf2.reinit();
  
/*  bf2.decrypt(  (void*) ((uint)buf + 0),buf2,written);
  std::cerr << (char*)buf2 << "\twlen:" << written << std::endl ;*/
  
  
  return EXIT_SUCCESS;
}

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