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Cryptography
J. Doe's user avatar
J. Doe's user avatar
J. Doe's user avatar
J. Doe
  • Member for 5 years, 11 months
  • Last seen more than 3 years ago
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9
Are there some (simple) mathematical models which can simulate the cellular/web structure of the universe?
8
Two artists want to paint all sand grains in 2 colors. They stop if one artist picks a grain already painted by the other. In mean how many picks?
7
How safe is a prime with $P=2 \cdot Q \cdot R \cdot S \cdot t+1$ for discrete logarithm? How to enhance/compare?
7
Which is the smallest safe elliptic curve (bit-length)?
6
About the complexity of a path finding attack for a path encrypted with a block cipher (like AES). How many AES calculations count as secure?