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Correctness of Li’s Generalization of RSA Cryptosystem
Li’s Generalization RSA Cryptosystem
2009/6/11
For given N=pq with p and q different odd primes and natural m Li introduced the public
key cryptosystem. In the case m=1 the system is just the famous RSA system. We answer the Li’s question about c...
Cryptanalysis of Li et al.'s Identity-Based Threshold Signcryption Scheme
Threshold Signcryption Scheme Signcryption security model
2009/6/5
Signcryption is a cryptographic primitive that aims at pro-
viding confidentiality and authentication simultaneously. Recently in May
2008, a scheme for identity based threshold signcryption was pro...
Cryptanalysis of Lee-Hwang-Li's Key Authentication Scheme
Key authentication scheme Cryptanalysis Certificate Password
2009/4/7
Key authentication is very important in secret communica-
tions and data security. Recently, Lee, Hwang and Li proposed a new
public key authentication scheme for cryptosystems with a trusty server....
Security of Wang-Li Threshold Signature Scheme
threshold signature secret sharing trusted party
2009/4/1
In 2003, Wang et al.[1] proposed a (t; n) threshold signature scheme without a trusted
party based on the discrete logarithm problem. In this paper, according to [5]'s attacking method, we show that ...
On the Forgeability of Wang-Tang-Li's ID-Based Restrictive Partially Blind Signature
Unforgeability restrictive partially blind signature ID-based cryptography electronic cash
2008/8/22
Restrictive partially blind signature (RPBS) plays an important role in designing secure electronic cash system. Very recently, Wang, Tang and Li proposed a new ID-based restrictive partially blind si...
Cryptanalysis on Improved One-round Lin-Li’s Tripartite Key Agreement Protocol
Cryptanalysis on Improved One-round Tripartite Key Agreement Protocol
2008/5/23
A tripartite authenticated key agreement protocol is
designed for three entities to communicate securely over an
open network particularly with a shared key. Recently, we
have improved a one-round ...