文章总结： 武汉大学密码学实验室论文被IEEETDSC接收，研究针对现有基于卡的匿名凭证通信规模大且不可撤销的问题，提出常数大小的双方知识证明协议。基于此构建的cbAC方案实现了高效撤销与隐私保护，经安全证明与性能测试，其表现优于现有技术，解决了数字凭证与物理持有者安全绑定的难题。 综合评分： 75 文章分类： 数据安全,应用安全,区块链安全

武汉大学密码学与区块链技术实验室论文被IEEE TDSC接收！

信息网络安全杂志

2026年3月9日 17:00 上海

科研

成果

祝贺我们的论文被IEEE TDSC接收！

Authors:  Yulin Liu, Debiao He, Jianting Ning, Zijian Bao, Cong Peng

Title: Attribute-Based Credentials with Verifiable Human Binding: Towards Compactness and Revocability

Journal: IEEE Transactions on Dependable and Secure Computing

Abstract: Digital and physical identity authentications are often implemented concurrently to meet strict access control for online services. Although privacy-preserving digital credentials provide strong guarantees such as anonymity and minimal disclosure, these benefits are compromised if holders must simultaneously present physical identification (e.g., governmentissued IDs) to establish ownership. To securely bind digital credentials to their physical holders while preserving privacy, a new protocol called card-based anonymous credentials (cbAC) was proposed by Hesse et al. (USENIX Security’23). However, this approach faces two significant drawbacks: the size of the communication during credential presentation scales linearly with the number of disclosed attributes, and it lacks revocability, which is essential for internal governance, including identity management and accountability. In this paper, we bridge the above gap by first introducing a constant-size two-party proof of knowledge protocol in asymmetry settings, where there exists a disparity in storage and computational resources between the two parties. Furthermore, building upon this two-party proof of knowledge protocol and utilizing signatures with randomizable keys, we meticulously design a cbAC scheme that is both efficient and capable of supporting revocation. We formalize all notions and conduct a rigorous security proof of the proposed construction. Finally, we present benchmarks from our implementation to illustrate the betterthan- state-of-the-art performance and features of our solutions.

来源：武汉大学

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本文转载自：信息网络安全杂志 《武汉大学密码学与区块链技术实验室论文被IEEE TDSC接收！》