Cryptography
SDL
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31 Are common cryptographic hashes bijective when hashing a single block of the same size as the output? Aug 3 '11
17 What is the theoretical and practical status of mental poker? Oct 9 '12
9 Is the Representation Problem hard on elliptic curves? Aug 9 '11
9 What is the signature scheme with the fastest batch verification protocol for multiple signers? Aug 30 '11
9 How hard is to invert the function that computes the middle-bits of (x^2)? Dec 2 '13
8 How is the x coordinate of a "point at infinity" encoded in a Secp256k1 signature? Jan 28 '13
7 Is there a public key semantically secure cryptosystem for which one can prove in zero knowledge the equivalence of two plaintexts? Oct 11 '12
7 Can one use a Cryptographic Accumulator to efficiently store Lamport public keys without the need of a Merkle Tree? Dec 10 '13
6 Is there any weak message for an ECDSA signature? Jul 22 '13
6 Is there a practical zero-knowledge proof for this special discrete log equation? Oct 31 '12
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