usr/src/libexec/makekey/makekey.c

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1980 Regents of the University of California.\n\
 All rights reserved.\n";
#endif not lint

#ifndef lint
static char sccsid[] = "@(#)makekey.c   5.1 (Berkeley) 6/6/85";
#endif not lint

/*
 * You send it 10 bytes.
 * It sends you 13 bytes.
 * The transformation is expensive to perform
 * (a significant part of a second).
 */

char    *crypt();

main()
{
        char key[8];
        char salt[2];

        read(0, key, 8);
        read(0, salt, 2);
        write(1, crypt(key, salt), 13);
        return(0);
}