计算机科学
加密
生物识别
方案(数学)
钥匙(锁)
计算机安全
身份(音乐)
数据库事务
理论计算机科学
数据库
声学
数学
物理
数学分析
作者
Carmen Bisogni,Gerardo Iovane,Riccardo Emanuele Landi,Michele Nappi
标识
DOI:10.1016/j.jisa.2021.102814
摘要
Blockchain is the technology on the basis of the recent smart and digital contracts. It ensures at this system the required characteristics to be effectively applied. In this work, we propose a novel encryption scheme specifically built to authorize and sign transactions in digital or smart contracts. The face is used as a biometric key, encoded through the Convolutional Neural Network (CNN), FaceNet. Then, this encoding is fused with an RSA key by using the Hybrid Information Fusion algorithm (BNIF). The results show a combined key that ensures the identity of the user that is executing the transaction by preserving privacy. Experiments reveal that, even in strong heterogeneous acquisition conditions for the biometric trait, the identity of the user is ensured and the contract is properly signed in less than 1.86 s. The proposed ECB2 encryption scheme is also very fast in the user template creation (0.05s) and requires at most four attempts to recognize the user with an accuracy of 94%.
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