Title:
METHOD AND APPARATUS FOR ENCRYPTED USER COMMUNICATION ON BLOCKCHAIN, AND TERMINAL DEVICE AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2019/214069
Kind Code:
A1
Abstract:
Disclosed are a method and apparatus for encrypted user communication on a blockchain, a terminal device and a storage medium. The method for user communication on a blockchain comprises: a user A sending first encrypted information to a user B; the user B receiving the first encrypted information and decrypting same to acquire a first random number; the user B sending second encrypted information to the user A; the user A receiving the second encrypted information and decrypting same to acquire a second random number; the user A and the user B executing a key generation algorithm based on the first random number and the second random number, to acquire a key (Key) and an initialized variable (IV); and the user A and the user B conducting encrypted communication using a CBC mode of an SM4 algorithm based on the key (Key) and the initialized variable (IV). By means of the method for encrypted user communication on a blockchain, the security of peer-to-peer communication between users on a blockchain system can be ensured.
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Inventors:
JIA MU (CN)
XIE DANLI (CN)
LU FRANK YIFAN CHEN (CN)
XIE DANLI (CN)
LU FRANK YIFAN CHEN (CN)
Application Number:
PCT/CN2018/095906
Publication Date:
November 14, 2019
Filing Date:
July 17, 2018
Export Citation:
Assignee:
ONE CONNECT SMART TECH CO LTD SHENZHEN (CN)
International Classes:
H04L29/06; H04L9/06; H04L9/08; H04L29/08
Foreign References:
| CN106209360A | 2016-12-07 | |||
| CN106779707A | 2017-05-31 | |||
| US20150149788A1 | 2015-05-28 |
Attorney, Agent or Firm:
SHENZHEN ZHONGDING INTELLECTUAL PROPERTY AGENCY (CN)
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