METHOD AND SYSTEM FOR OBTAINING ENCRYPTION KEY

WIPO Patent Application WO/2018/127081

A1

Disclosed in the present invention are a method and system for obtaining an encryption key. The method comprises: a terminal generates and stores a signed public key and a signed private key of the terminal, stores a temporary public key and a temporary private key, and at least sends the signed public key and the temporary public key to a server; the server obtains the signed public key and the temporary public key, and stores the signed public key; the server generates and stores an encrypted public key, an encrypted private key, a data encryption code and a data decryption code of the terminal; perform an encryption operation on the encrypted private key by using the data encryption code, so as to generate first encrypted information; perform an encryption operation on the data decryption code by using the temporary public key, so as to generate second encrypted information; at least send the first encrypted information and the second encrypted information to the terminal; and the terminal obtains the first encrypted information, and performs a decryption operation on the second encrypted information by using the temporary private key, so as to obtain the data decryption code, and performs a decryption operation on the first encrypted information by using the data decryption code, so as to obtain the encrypted private key. The terminal stores the encrypted private key.

LI DONGSHENG (CN)

PCT/CN2018/071309

July 12, 2018

January 04, 2018

Click for automatic bibliography generation  

TENDYRON CORP (CN)

H04L9/32; H04L9/30

CN106656510A	2017-05-10
CN101483518A	2009-07-15
CN105991539A	2016-10-05
CN105743654A	2016-07-06
US7698565B1	2010-04-13

TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)

View/Download PDF      PDF Help

Previous Patent: CONTROL METHOD, CONTROL APPARATUS, MOBILE TERMINAL AND COMPUTER-READABLE STORAGE MEDIUM

Next Patent: TREATMENT OF PANCREATIC CANCER