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Changyu Dong

Academic researcher in security @ Newcastle University.

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Top Posts (67) All Questions Answers | Votes Newest

35 Is it possible for a cryptographic algorithm to limit the number of times a package/ciphertext can be decrypted? Jun 20
6 Two salts, One password Jun 26
5 Is this secure? Jul 13
4 Paillier: guessing the message when knowing the cipher and the random number Jul 11
4 Homomorphism with subtraction for Pedersen Commitment Jul 3
4 Why do key exchange protocols need secure clock synchronization? Jul 3
4 After Google's collision attack, is RSA-SHA1 signature still safe? Jul 8
4 Is K=1 a valid random integer in ElGamal signature? Jun 29
4 Extractability for Simulator in Malicious Model Jun 21
4 Is there any additively homomorphic schemes that can make range proof? Jun 20
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