| #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; |
| } |
