33 lines
770 B
C
33 lines
770 B
C
#include <stdio.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include <crypt.h>
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
unsigned long seed[2];
|
|
char salt[] = "$1$........";
|
|
const char *const seedchars =
|
|
"./0123456789ABCDEFGHIJKLMNOPQRST"
|
|
"UVWXYZabcdefghijklmnopqrstuvwxyz";
|
|
char *password;
|
|
int i;
|
|
|
|
/* Generate a (not very) random seed.
|
|
You should do it better than this... */
|
|
seed[0] = time(NULL);
|
|
seed[1] = getpid() ^ (seed[0] >> 14 & 0x30000);
|
|
|
|
/* Turn it into printable characters from `seedchars'. */
|
|
for (i = 0; i < 8; i++)
|
|
salt[3+i] = seedchars[(seed[i/5] >> (i%5)*6) & 0x3f];
|
|
|
|
/* Read in the user's password and encrypt it. */
|
|
password = crypt(getpass("Password:"), salt);
|
|
|
|
/* Print the results. */
|
|
puts(password);
|
|
return 0;
|
|
}
|