Title:
CCKS-BASED TOP-UP METHOD FOR CPU CARD
Document Type and Number:
WIPO Patent Application WO/2017/211231
Kind Code:
A1
Abstract:
The invention relates to a top-up method for a card, and more particularly, relates to a CCKS-based top-up method for a CPU card. In the top-up method, signatures are provided and authenticated twice by both transaction parties to ensure data privacy and security in a transaction process. Even if information is intercepted in the transaction process, an interceptor is unable to crack the content of a packet. In the method, both communication parties possess a corresponding authentication public key calculated according to an identifier and a corresponding subdomain identifier rather than a unified key. One party must obtain the public key to perform authentication on the other party. The invention has a high security level.
Inventors:
NIE MING (CN)
Application Number:
PCT/CN2017/086981
Publication Date:
December 14, 2017
Filing Date:
June 02, 2017
Export Citation:
Assignee:
CHINA SMARTCITY TECH CO LTD (CN)
International Classes:
G06Q20/38
Domestic Patent References:
| WO2010043107A1 | 2010-04-22 |
Foreign References:
| CN106096959A | 2016-11-09 | |||
| CN101799954A | 2010-08-11 | |||
| CN103544596A | 2014-01-29 |
Attorney, Agent or Firm:
SHANG EAST ASIA PATENT & TRADEMARK AGENCY (CN)
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