RE: Have some fun here! 05-03-2013, 02:29 PM
#21
(05-03-2013, 02:16 PM)Deque Wrote:(05-03-2013, 01:19 PM)noize Wrote: If it's randomly generated it's not even a hash. A hash is a one way algorithm, but for each hash, we cannot have more than one plain text.
I mean, if it is randomly generated, "plain" and "text" might get to be the same hash.
[...] your argument is not true. Every hash function has input values that result in the same output.
The reason is, that hash functions have a bigger data set as input than as output (input can be every string of every length, the output set has exactly 2^hash_length_in_bit values). It is impossible to not have collisions. You can just take care to make it hard enough for others to find them.
Yes, you're actually right, my bad.
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