Cryptography
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J.D.

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 7 years, 7 months
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  • Last seen Mar 22 '20 at 17:33

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26 Reason why “XOR” is a linear operation, but ordinary “addition” isn’t? Dec 28 '13
21 Why is the permutation in AES (and other ciphers) not random or key-dependent? Apr 12 '16
19 Why does only length prepending improve the security of CBC-MAC Oct 19 '13
16 How exactly is “true randomness” defined in the realms of cryptography? Oct 5 '13
10 Proof that IND$-CPA implies IND-CPA? Sep 20 '13
10 How to deal with a cipher with addition and XORs combined together? Jul 1 '16
10 Why is the DES s-box non-linear? Why does it make the cracking of the cipher more difficult? Jul 12 '16
9 Implement AES-CTR on top of AES-ECB Mar 11 '17
9 Why do cryptographic hashing and symmetric encryption use different functions? May 6 '16
9 Why have round constants in hashes? Jul 10 '15
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