Cryptography
Changyu Dong
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Academic researcher in security @ Newcastle University.

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33 Is it possible for a cryptographic algorithm to limit the number of times a package/ciphertext can be decrypted? Jun 20 '18
7 How is ZKPP better than signing nonces? Sep 25 '18
7 Why only non-prime order fields have small subgroup attacks? Jan 13 '19
7 How can I hash an input into an arbitrary domain point? Feb 5 '19
6 Why can't decrypt with OpenSSL if salt changed (for CBC and ECB) Sep 30 '18
5 Is this secure? Jul 13 '18
5 Extractability for Simulator in Malicious Model Jun 21 '18
5 What is the reason of using Pedersen Commitment scheme over HMAC? Jun 25 '18
5 Two salts, One password Jun 26 '18
4 Is K=1 a valid random integer in ElGamal signature? Jun 29 '18
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