At present,the message transfer in the personal privacy protection system of credit investigation only realizes the one-way trust transfer,and the responsibility of the applicant has not been confirmed.Therefore,it is impossible to establish the two-way trust relationship between the two parties of message transfer and realize impartiality.In addition,the message transfer process has security implications.Therefore,this paper proposes a credit system message transfer protocol based on blockchain.This protocol required both parties of message transfer to complete the signature and confirmation of sequence,and ensured the secure transfer of messages with impartiality and privacy by means of the consensus mechanism of blockchain,additional protocol,encryption algorithm and other technologies.In addition,it provided functions such as append,update and delete messages.The fairness,privacy and non-repudiation of this agreement were analyzed.
关键词
区块链/智能合约/征信信息/隐私保护/消息转移协议
Key words
Blockchain/Smart contract/Credit information/Privacy protection/Message transfer protocol