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Title:
PASSWORD REMOTELY AUTHENTICATION METHOD BASED ON THE INTELLIGENT CARD AND AN INTELLIGENT CARD, A SERVER AND SYSTEM THEREOF
Document Type and Number:
WIPO Patent Application WO/2008/009183
Kind Code:
A1
Abstract:
A password remotely authentication method based on the intelligent card, and the intelligent card, the server and the system thereof, and a method and a system for password transformation. The password remotely authentication method includes: the server generates the encrypted user information by using the system key and the user identifier inputted as the first hash function value and the user password inputted as the second hash function converse function value, and stores the encrypted user information to the intelligent card; when logging in the server, the intelligent card makes exponential operation for the encrypted user information with the second hash value as the power, and then obtaining the second encrypted user information, and calculates the third hash function value by using the second encrypted user information as an input, and sends the logging request message including the third hash function value to the server; the server validates the received third hash function value by the first hash function value and the second hash function value so as to realize password authentication.

Inventors:
CAO, Zhenfu (No. 1954 Huashan Rd, Shanghai 0, 200030, CN)
曹珍富 (中国上海市华山路1954号, Shanghai 0, 200030, CN)
DONG, Xiaolei (No. 1954 Huashan Rd, Shanghai 0, 200030, CN)
董晓蕾 (中国上海市华山路1954号, Shanghai 0, 200030, CN)
CHAI, Zhenchuan (No. 1954 Huashan Rd, Shanghai 0, 200030, CN)
Application Number:
CN2007/000093
Publication Date:
January 24, 2008
Filing Date:
January 10, 2007
Export Citation:
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Assignee:
SHANGHAI JIAOTONG UNIVERSITY (No. 1954 Huashan Rd, Shanghai 0, 200030, CN)
上海交通大学 (中国上海市华山路1954号, Shanghai 0, 200030, CN)
HUAWEI TECHNOLOGIES CO., LTD. (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
华为技术有限公司 (中国广东省深圳市龙岗区坂田华为总部办公楼, Guangdong 9, 518129, CN)
CAO, Zhenfu (No. 1954 Huashan Rd, Shanghai 0, 200030, CN)
曹珍富 (中国上海市华山路1954号, Shanghai 0, 200030, CN)
DONG, Xiaolei (No. 1954 Huashan Rd, Shanghai 0, 200030, CN)
International Classes:
H04L9/32; H04L9/32
Attorney, Agent or Firm:
DEQI INTELLECTUAL PROPERTY LAW CORPORATION (7/F Xueyuan International Tower, No. 1 Zhichun Road Haidian District, Beijing 3, 100083, CN)
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