An Efficient Biometric Identity Based Signature Scheme
Yang Yang, Yupu Hu, Leyou Zhang · KSII Transactions on Internet and Information Systems · 2013
The combination of biometrics and cryptography gains a lot of attention from both academic and industry community.The noisy biometric measurement makes traditional identity based cryptosystems unusable.Also the extraction of key from biometric information is difficult.In this paper, we propose an efficient biometric identity based signature scheme (Bio-IBS) that makes use of fuzzy extractor to generate the key from a biometric data of user.The component fuzzy extraction is based on error correction code.We also prove that the security of suggested scheme is reduced to computational Diffie-Hellman (CDH) assumption instead of other strong assumptions.Meanwhile, the comparison with existing schemes shows that efficiency of the system is enhanced.