Title:
RADIO FREQUENCY SYSTEM, RADIO FREQUENCY DEVICE AND SECURITY PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2010/149041
Kind Code:
A1
Abstract:
A radio frequency system, a radio frequency device t and a security processing method are provided. The system comprises a writer, a card reader and a radio frequency card, three Linear Feedback Shift Registers (LFSR) are set respectively corresponding to the User Identifier(UID) domain, the recharging domain, and the balance domain of the radio frequency card; CPK-keys are also comprised and embedded in the writer and the card reader; three keys are set in the CPK-key and are respectively utilized for encrypting a recharging data, a balance data and a controlling parameter; the feedback and the carry bit of the LFSR are controlled by the controlling parameter, and the difficulty of anatomical analysis is increased; the difficulty of counterfeiting is increased by a digital signature participated by the content of the LFSR; and the difficulty of duplicating is increased by a question and answer mechanism.
Inventors:
NAN XIANGHAO (CN)
Application Number:
PCT/CN2010/074304
Publication Date:
December 29, 2010
Filing Date:
June 23, 2010
Export Citation:
Assignee:
BEIJING E HENXEN AUTHENTICATION TECHNOLOGIES CO LTD (CN)
NAN XIANGHAO (CN)
NAN XIANGHAO (CN)
International Classes:
H04L9/32; G06K19/073; H04L9/30
Foreign References:
| CN101083792A | 2007-12-05 | |||
| CN101582123A | 2009-11-18 | |||
| CN1337803A | 2002-02-27 | |||
| CN1814974A | 2006-08-09 | |||
| US20080109654A1 | 2008-05-08 |
Attorney, Agent or Firm:
TIDYTEND INTELLECTUAL PROPERTY LAW FIRM (Horizon International Tower No.6 Zhichun Road, Haidian District, Beijing 8, CN)
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