65816-crypto/rc4test.c
Stephen Heumann 5a986a996f Implement RC4.
This is another old algorithm with known vulnerabilities, but it is still used in some places.
2023-12-01 21:39:40 -06:00

40 lines
1.2 KiB
C

/*
* Copyright (c) 2023 Stephen Heumann
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
#include <string.h>
#include "rc4.h"
int main(int argc, char *argv[]) {
struct rc4_context context;
size_t length;
size_t i;
if (argc < 3)
return 0;
rc4_init(&context, argv[1], strlen(argv[1]));
length = strlen(argv[2]);
rc4_process(&context, argv[2], argv[2], length);
for(i = 0; i < length; i++) {
printf("%02x", argv[2][i]);
}
printf("\n");
}