Cryptography
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Daniel Shiu

Twenty or so years' experience in cryptology having begun as a number theorist. I've developed understanding of most topics from Caesar ciphers to quantum information. I'm best at theory and standards, but less strong on implementations and libraries.

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39 Does Schnorr's 2021 factoring method show that the RSA cryptosystem is not secure? Mar 3
26 How can I force slow decryption in the browser? Apr 6
18 Is it possible to create a “digital seal” to tell if a document has been opened? Mar 13
8 Is Ring-LWE now broken? Apr 1
6 On the initializaton of the “xorwow” PRNG Mar 19
4 How fast is hashing and is it always regarded as an O(1) operation? Mar 23
4 ElGamal on elliptic curves attack model (CPA,CCA1,CCA2)? Mar 31
4 What is the maximum cofactor of elliptic curve used for ECDSA? Mar 4
3 How did this group discover m wasn't random? Mar 4
3 Do perfect squares count as valid moduli for an RSA semi-prime? Mar 11
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