Key protection method and system
US9824353B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 24, 2013 |
| Grant date | Nov 21, 2017 |
| Priority date | — |
| Expiry date | Sep 24, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/80
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Proposed are a key protection method and system. The method comprises: a: receiving by a mobile terminal a registration instruction, generating a user's public key and private key, and sending the user's public key to a third-party e-business verification server, if the mobile terminal respectively passes identity verifications of the mobile bank server and a comprehensive pre-position bank server; b: performing a verification by the mobile bank server on user's trade information, and performing a trade by the comprehensive pre-position bank server if the verification is successful; c: generating by the mobile terminal an updated parameter for protecting a private key after the trade is performed, sending to the mobile bank server, receiving a successful updating result from the mobile bank server and encrypting and storing the user's private key. The present invention can increase the difficulty of an attack, and improve security.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.