指纹特征点拓扑变换的非对称加解密研究

Study of Asymmetric Encryption and Decryption by Fingerprint Feature Point Topological Transformation

基于指纹特征点拓扑结构变换,设计一种适合网络安全通信的非对称加解密方法。从指纹特征点拓扑结构变换与拓扑等价的角度验证加解密的可行性与正确性,分析算法的抗攻击能力与运算速度。结果表明该方法兼顾生物识别特点,具有抗攻击能力强、加解密速度快的优势,占用资源少、方法简单,适合用集成电路设计与实现。

An asymmetric encryption and decryption method based on the fingerprint feature point topological structure transformation is designed,which can be applied to the network communication security.From the perspective of the fingerprint minutiae topological structure transformation and the topological equivalent,the feasibility and correctness of encryption and decryption is verified,and its anti-attack capability and computing speed are researched.Results show that it has features of fitful for the biologic identification and the strong capability of anti-attack,the fast speed of encryption and decryption.The method is simple and takes less resource,and is suitable to be designed and realized by intergraded circuit.