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Top Questions
22
votes
How long does it take to crack DES and AES?
aes
block-cipher
brute-force-attack
des
asked Sep 23, 2011 at 5:29
crypto.stackexchange.com
22
votes
Why is it so hard to implement Haken's Algorithm for knot theory?
knot-theory
asked Jan 25, 2011 at 19:00
mathoverflow.net
18
votes
Computation beyond unitary matrices
quantum-computing
philosophy
asked Jul 28, 2011 at 15:07
cstheory.stackexchange.com
14
votes
Can a computationally unbounded adversary break any public-key encryption scheme?
public-key
brute-force-attack
asked Sep 24, 2011 at 21:25
crypto.stackexchange.com
13
votes
Non-increasing sequence of positive real numbers with prime index
sequences-and-series
analytic-number-theory
asked Oct 16, 2011 at 1:23
math.stackexchange.com
13
votes
Mean Value of a Multiplicative Function close to $n$ in Terms of the Zeta Function
number-theory
asymptotics
analytic-number-theory
riemann-zeta
multiplicative-function
asked Dec 10, 2011 at 5:46
math.stackexchange.com
12
votes
Why doesn't preimage resistance imply the second preimage resistance?
hash
collision-resistance
preimage-resistance
2nd-preimage-resistance
asked Oct 21, 2011 at 6:02
crypto.stackexchange.com
11
votes
LaTeX template for book reading?
templates
asked Dec 18, 2011 at 4:30
tex.stackexchange.com
10
votes
How do I prove $\sum_{n \leq x} \frac{\mu (n)}{n} \log^2{\frac{x}{n}}=2\log{x}+O(1)$? Can I use Abel summation?
asymptotics
analytic-number-theory
asked Sep 23, 2011 at 0:41
math.stackexchange.com
8
votes
Showing that $\sum_{n \leq x} \frac{\mu(n)}{n} \log \frac{x}{n} = O(1)$.
number-theory
analytic-number-theory
asked Sep 29, 2011 at 2:58
math.stackexchange.com
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