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Mar
28
comment Generating shared secret random permutation
Are you familiar with Mental Poker? en.wikipedia.org/wiki/Mental_poker
Feb
18
revised Block Cipher vs Stream Cipher in Web Application
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Feb
18
answered Block Cipher vs Stream Cipher in Web Application
Jan
24
comment Symmetric encryption is no longer necessary?
Where is this quote taken from?
Aug
29
awarded  Supporter
Nov
11
awarded  Editor
Nov
11
revised Can there be two hash functions without common collisions?
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Nov
8
comment Can there be two hash functions without common collisions?
Stephen, that actually depends. If the pigeon hole argument applies, then of course any hash has a collision. If we can restrict the input space to be not bigger than the output space then this is not true: consider the function F(x) = 0 which makes G(x) = x.
Nov
8
awarded  Teacher
Nov
2
answered Can there be two hash functions without common collisions?