Subversion Repositories tv80

//

// Copyright (c) 2005 Guy Hutchison (ghutchis@opencores.org)

//

// Permission is hereby granted, free of charge, to any person obtaining a 

// copy of this software and associated documentation files (the "Software"), 

// to deal in the Software without restriction, including without limitation 

// the rights to use, copy, modify, merge, publish, distribute, sublicense, 

// and/or sell copies of the Software, and to permit persons to whom the 

// Software is furnished to do so, subject to the following conditions:

//

// The above copyright notice and this permission notice shall be included 

// in all copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 

// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 

// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 

// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 

// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 

// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 

// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

//

#include "tv80_env.h"

#include "rc4.h"

#include "stdint.h"

#define BUFSIZE 128

int main ()

{

  struct rc4_state rs;

  uint8_t key[16];

  int i;

  uint8_t pass;

  uint8_t buf1[BUFSIZE], buf2[BUFSIZE], buf3[BUFSIZE];

  print ("Start\n");

  // initialize key

  for (i=0; i<16; i++)

    key[i] = i;

  // init buf1

  for (i=0; i<BUFSIZE; i++)

    buf1[i] = i;

  // encrypt buf1->buf2

  print ("EncInit\n");

  rc4_init (&rs, key, 16);

  print ("Encrypting\n");

  rc4_crypt (&rs, buf1, buf2, BUFSIZE);

  // decrypt buf2->buf3

  print ("DecInit\n");

  rc4_init (&rs, key, 16);

  print ("Decrypting\n");

  rc4_crypt (&rs, buf2, buf3, BUFSIZE);

  // compare buf1 == buf3

  print ("Comparing\n");

  pass = 1;

  for (i=0; i<BUFSIZE; i++)

    if (buf1[i] != buf3[i])

      pass = 0;

  if (pass)

    sim_ctl_port = SC_TEST_PASSED;

  else

    sim_ctl_port = SC_TEST_FAILED;

  return 0;

}