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ithisa
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question
37
Why is plain-hash-then-encrypt not a secure MAC?
May 28, 2014
question
19
Is there any SRP-like key exchange only using "standard" cryptographic primitives?
Mar 3, 2017
question
18
Is TEA considered secure?
May 15, 2014
question
6
Is it possible to construct a secure block cipher of size $2n$ given a secure block cipher of size $n$?
May 15, 2014
question
6
Random session key + predictable IV
Oct 13, 2013
question
5
Are there public $p$ and $q$ numbers for use in DSA?
Nov 11, 2013
question
5
Is this hand cipher any more secure than the Vigenère cipher?
Mar 26, 2013
question
5
Do low-entropy fingerprints actually make any sense?
Nov 16, 2015
answer
4
What is the lightweight key exchange protocol of choice?
Mar 5, 2017
question
4
Why are collision attacks important when talking about MAC schemes?
Apr 12, 2014
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71
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54
Why do oppressive regimes cheat in the election process rather than simply faking the results?
38
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35
Why are listed times of useful consciousness so low?
31
Proof that the hypergeometric distribution with large $N$ approaches the binomial distribution.