Cryptography
J.D.'s user avatar
J.D.'s user avatar
J.D.'s user avatar
J.D.
  • Member for 10 years
  • Last seen more than 3 years ago
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All Questions Answers
Score Newest
answer
29
Reason why “XOR” is a linear operation, but ordinary “addition” isn’t?
Dec 28, 2013
answer
22
Why is the permutation in AES (and other ciphers) not random or key-dependent?
Apr 12, 2016
answer
19
Why does only length prepending improve the security of CBC-MAC
Oct 19, 2013
answer
16
How exactly is "true randomness" defined in the realms of cryptography?
Oct 5, 2013
answer
11
Why is the DES s-box non-linear? Why does it make the cracking of the cipher more difficult?
Jul 12, 2016
answer
10
How to deal with a cipher with addition and XORs combined together?
Jul 1, 2016
question
10
Proof that IND$-CPA implies IND-CPA?
Sep 20, 2013
question
10
AES-CTR mode and the Biclique Attack
Nov 6, 2013
answer
9
Implement AES-CTR on top of AES-ECB
Mar 11, 2017
answer
9
Why do cryptographic hashing and symmetric encryption use different functions?
May 6, 2016

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