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Method and system for implementing dynamic password security protection

A dynamic password and security protection technology, applied in the field of authentication, can solve problems such as high cost, no protection of dynamic password, hidden safety hazards, etc., and achieve the effect of low technical complexity, active and effective protection, and simple principle

Inactive Publication Date: 2009-08-05
BEIJING HUADA ZHIBAO ELECTRONICS SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the current dynamic token products have no protection for the generated dynamic passwords. Once the dynamic token is lost, it will cause serious security risks. The high cost it brings makes the dynamic token product lose its original significant advantages

Method used

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  • Method and system for implementing dynamic password security protection
  • Method and system for implementing dynamic password security protection
  • Method and system for implementing dynamic password security protection

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Embodiment Construction

[0024] In the embodiment of the present invention, the user and the authentication server agree on a certain algorithm and user key, the dynamic token and the authentication server generate a dynamic password, and the user and the authentication server respectively use the agreed algorithm to calculate the dynamic password and the user key to generate a new dynamic password. Dynamic password--dynamic authentication code, used for final authentication. The dynamic authentication code is jointly generated by the dynamic password generated by the dynamic token and the user key held by the user using a certain algorithm. The generation method is safe and reliable, and the technical complexity is low, which effectively guarantees the reliability of the dynamic password and Eliminates the potential safety hazards caused by the loss of dynamic tokens to users.

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present inventi...

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Abstract

The invention discloses a system for realizing dynamic password security protection, which comprises: a dynamic token, a user, an authentication terminal and an authentication server. The invention also provides a method for realizing dynamic password security protection, which comprises the steps of: generation of a dynamic password by the dynamic token; operation of the dynamic password and possessed user key by means of a corresponding algorithm by the user to generate a dynamic authentication code; receiving of user identification and the dynamic authentication code typed by the user carried out by the authentication terminal which also transmits the typed content to the authentication server; and generation of the dynamic password the same as the dynamic token terminal by the authentication server which looks up stored user key and algorithm of the user based on the user identification, and carries out authentication by means of a dynamic confirmation code generated by operation of the dynamic password and the user key through the algorithm. The invention also provides another method for realizing dynamic password security protection. The invention effectively guarantees the reliability of the dynamic password and eliminates the potential security hazard brought about to users due to loss of the dynamic token.

Description

technical field [0001] The invention relates to authentication technology, in particular to a method and system for realizing dynamic password security protection. Background technique [0002] In recent years, dynamic password technology has been widely used in authentication. Dynamic password, also known as one-time password (One Time Password, OTP), is mainly generated by a special device called dynamic token, which has a built-in power supply, dynamic password generation chip and display screen, and is a new type of two-factor identity Certified products. This product uses a certain algorithm to generate a dynamic password based on a constantly changing factor to ensure the security of the authentication. It has the advantages of simple and easy to use, low price, and no need to install software. It is widely used in telephone banking, online banking, and securities trading. It is widely used in authentication or authorization, authorization of ATM and counter transact...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L9/32
Inventor 陈良李德亮崔静波刘海剑张强翟群峰
Owner BEIJING HUADA ZHIBAO ELECTRONICS SYST
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