Welcome to the resource topic for 2019/1496
Title:
Improved on Identity-based quantum signature based on Bell states
Authors: Chang-Bin Wang, Shu-Mei Hsu, Hsiang Chang, Jue-Sam Chou
Abstract:In 2020 Xin et al.proposed a new identity-based quantum signature based on Bell states scheme. By using a one-time padding (OTP) for both-side transfer operations like, “XOR”, Hadamard H, and Y, they confirmed the security of the proposed scheme. However, after analyses, we found that the scheme cannot resist both the existing forgery attack and meaningful message attack. Therefore, we modified their scheme to include the required security, unforgeability, which is very important in quantum signature scheme.
ePrint: https://eprint.iacr.org/2019/1496
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