A Key Recovery System Based on Password-Protected Secret Sharing in a Permissioned Blockchain
作者机构：First Soonchunhyang UniversityAsan-si31538Korea
出 版 物：《Computers, Materials & Continua》 (计算机、材料和连续体（英文）)
年 卷 期：2020年第65卷第10期
页 面：153-170页
核心收录：
学科分类：08[工学] 0812[工学-计算机科学与技术（可授工学、理学学位）]
基 金：This research was supported by the MSIT(Ministry of Science and ICT),Korea,under the ITRC(Information Technology Research Center)support program(IITP-2020-2015-0-00403)supervised by the IITP(Institute for Information&communications Technology Planning&Evaluation) This research was supported by the Soonchunhyang University Research Fund
主 题：Password-protected secret sharing key recovery blockchain wallet security
摘 要：In today’s fourth industrial revolution,various blockchain technologies are being actively researched.A blockchain is a peer-to-peer data-sharing structure lacking central *** a user wishes to access stored data,she/he must employ a private key to prove ownership of the data and create a *** the private key is lost,blockchain data cannot be *** solve such a problem,public blockchain users can recover the key using a wallet ***,key recovery in a permissioned blockchain(PBC)has been but little *** PBC server is Honest-but-Curious(HBC),and should not be able to learn anything of the user;the server should simply recover and store the *** server must also be resistant to malicious ***,key recovery in a PBC must satisfy various security ***,we present a password-protected secret sharing(PPSS)key recovery system,protected by a secure password from a malicious key storage server of a *** describe existing key recovery schemes and our PPSS scheme.
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