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Sep
24
answered How to fairly select a random number for a game without trusting a third party?
Sep
23
revised Is there an effective way for public key generation in homomorphic encryption schemes?
added 302 characters in body
Sep
23
answered Is there an effective way for public key generation in homomorphic encryption schemes?
Sep
23
answered New PRG from old
Sep
23
awarded  Nice Answer
Sep
21
answered Implementation of Tao Xie and Denguo Feng's MD5 attack
Sep
19
comment Measuring entropy for a ciphertext only attack
These slides have a good suite of tests: fi.muni.cz/~xkrhovj/lectures/… If you want an automated tool: phy.duke.edu/~rgb/General/dieharder.php
Sep
19
revised How to forge Schnorr signatures if you can guess the challenge
edited body
Sep
19
revised How to forge Schnorr signatures if you can guess the challenge
edited body
Sep
19
answered How to forge Schnorr signatures if you can guess the challenge
Sep
9
revised Mapping between subgroups and the integers
added 53 characters in body
Sep
9
revised Mapping between subgroups and the integers
added 28 characters in body
Sep
9
asked Mapping between subgroups and the integers
Sep
9
revised Mapping points between elliptic curves and the integers
edited title
Sep
7
comment Is this “layered” XOR cipher secure?
Take your message and flip a coin. If it is heads, output the message. If it is tails, output the message with each bit flipped. Sounds secure :)
Sep
7
answered Digital Signature Algorithm signature creation
Sep
6
awarded  Citizen Patrol
Sep
5
answered Does NTRU decrypt correctly now?
Sep
4
awarded  Necromancer
Sep
4
awarded  Revival