Cryptography
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Henrick Hellström

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

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31 Hardness of finding mutual discrete logarithms of small generators in $\mathbb{Z}_p$ Jan 28 '14
31 What is difference between PRG, PRF, and PRP Sep 23 '12
29 How big an RSA key is considered secure today? Mar 3 '12
19 Why does a broken hash function undermine an HMAC? Apr 10 '12
19 Is Wikipedia's table about SHA-2 collisions correct? May 20 '13
18 SHA-256 “almost unique”? Oct 6 '15
16 The exact difference between a permutation and a substitution May 30 '13
16 Practical consequences of using functional encryption for software obfuscation Jul 30 '13
14 Can I use a one time pad key twice with random plaintext? Apr 3 '12
14 Kerckhoffs’ principles – Why should I make my cipher public? Aug 6 '13
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