New efficient user authentication scheme with user anonymity facilitating e-commerce applications
Hung‐Yu Chien · 2007
An authenticated key distribution scheme preserving user anonymity is important to those e-commerce applications where user anonymity is required or desirable. However, the previous works on this issue have security flaws. This article shows the security weaknesses of a recently published work, and then proposes our new scheme, which not only overcomes the weaknesses but also improves the computational performance.