It is less a matter of time than you calculate. For IPV4, you only have 32 bits to search.
On Tue, Oct 5, 2010 at 4:13 PM, Franz Schwartau <fr...@electromail.org>wrote: > Yes, of course, but all (cryptographic) hash functions are "vulnerable" > to brute force attacks. It's just a question of effort/time. >