29 Dec
2011
29 Dec
'11
10:28 p.m.
On 12/29/2011 4:31 PM, Christian Heimes wrote:
The hash randomization idea adds a salt to throw the attacker of course. Instead of
position = hash& mask
it's now
hash = salt + hash
As I understood the talk (actually, the bit of Perl interpreter C code shown), the randomization is to change hash(s) to hash(salt+s) so that the salt is completely mixed into the hash from the beginning, rather than just tacked on at the end. -- Terry Jan Reedy