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seen Jul 1 '13 at 10:26

"A good way to have good ideas is by being unoriginal." - Bram Cohen


Apr
6
awarded  Scholar
Apr
6
accepted Why constrain the message lengths in indistinguishability in the presence of an eavesdropper?
Apr
6
comment Why constrain the message lengths in indistinguishability in the presence of an eavesdropper?
@PaĆ­loEbermann thank you very much. The answer of Maeher together with your thought questions leads me to the conclusion that I can't answer this question with the material which was learnt in the classroom. I will try to use it after an appointement with the teacher to understand why these tought questions are important and how to prove it. Thank you both for all the help !
Apr
5
comment Why constrain the message lengths in indistinguishability in the presence of an eavesdropper?
It does help me a lot, thank you. I just need a little more help on the prove, see :cse.ohio-state.edu/~lai/5351/Homework%203-sp13.pdf (question 1). I found out a complete guideline (cs.wellesley.edu/~cs310/ps/ps4.pdf - problem 2) and yet I can't see how the prove for this goes by using pigeonhole argument. Can you please help me understand it a little bit from the prove aspect. Thank you very much !
Apr
5
awarded  Student
Apr
5
asked Why constrain the message lengths in indistinguishability in the presence of an eavesdropper?