6

Simple data encryption

  1. #include <stdio.h>
  2.  
  3. main() {
  4.     int c, xor = '@';
  5.  
  6.     while ( (c = getchar()) != EOF )
  7.         putchar(c^xor);
  8. }
$ gcc -o crypto crypto.c
$ ./crypto < crypto.c 
c).#,5$%`|34$)/n ...
$ ./crypto < crypto.c | ./crypto
#include <stdio.h>

main() {
	int c, xor = '@';

	while ( (c = getchar()) != EOF )
		putchar(c^xor);
}

Comments

Your comment:
[p] [b] [i] [u] [s] [quote] [pre] [br] [code] [url] [email] strip help 2000

Enter a maximum of 2000 characters.
Improve the presentation of your text with the following formatting tags:
[p]paragraph[/p], [b]bold[/b], [i]italics[/i], [u]underline[/u], [s]strike[/s], [quote]citation[/quote], [pre]as is[/pre], [br]line break,
[url]http://www.izend.org[/url], [url=http://www.izend.org]site[/url], [email]izend@izend.org[/email], [email=izend@izend.org]izend[/email],
[code]command[/code], [code=language]source code in c, java, php, html, javascript, xml, css, sql, bash, dos, make, etc.[/code].