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Asymmetric-algorithm-based certificate medium online-formatting and unlocking methods

An asymmetric algorithm and certificate technology, applied in the direction of public key of secure communication, user identity/authority verification, etc., can solve the problem of insecure password management of certificate medium, and achieve the effect of ensuring security and password security.

Active Publication Date: 2014-06-18
KOAL SOFTWARE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problem of insecure password management of the existing certificate medium, the present invention provides a method for online formatting of the certificate medium based on an asymmetric algorithm, through which the password security of the certificate medium is ensured

Method used

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  • Asymmetric-algorithm-based certificate medium online-formatting and unlocking methods

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Embodiment Construction

[0024] In order to make it easy to understand the technical means, creation features, achieved goals and effects of the present invention, the present invention will be further described below with reference to the specific figures.

[0025] see figure 1 , which shows the implementation flow chart of the method for online formatting and unlocking of certificate media based on asymmetric algorithm. It can be seen from the figure that the implementation of the method involves the corresponding server and the certificate medium management interface. In the present invention, the server can manage the private key and provide a management password generator (key generator); for the medium management interface It has a built-in management certificate and random number manager.

[0026] Based on the above-mentioned server and certificate medium management interface, the online formatting and unlocking method provided by the present invention has the following specific steps:

[002...

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Abstract

The invention discloses an asymmetric-algorithm-based certificate medium online-formatting method and an asymmetric-algorithm-based certificate medium online-locking method. The formatting method comprises the following steps that a medium management interface generates a one-time random code R1 and a medium sequence number KSN, a server acquires a corresponding management password SOPIN1 of a medium according to the KSN, performs encryption and signature, and transmits a result to a client, and the client verifies and decrypts the result to finish formatting. The unlocking method comprises the following steps that the medium management interface acquires a signed certificate sequence number SN and the medium sequence number KSN, and generates a one-time random code R3; the server acquires the management password SOPIN1 by using the KSN, encrypts and signs received data, and transmits the data to the client; the medium management interface performs signature verification and decryption, compares a decryption result, and resets a user password to be a default password if the one-time random code R3 is the same as the decryption result. According to the methods, the password security of the certificate medium can be ensured in large-scale public key infrastructures.

Description

technical field [0001] The invention relates to a certificate medium management technology in the field of PKI, in particular to an online formatting method and an unlocking method for a certificate medium. Background technique [0002] With the promotion of PKI / PMI technology, the application of digital certificates has gradually been integrated into daily life. The capacity of certificates issued by public key infrastructure management agencies has gradually expanded, and the scope of certificate applications has become wider and wider. Admin password for administrative issues. [0003] Currently, there are two ways to manage the media management password: [0004] 1. The manufacturer's own management tools are used for management through the default management password managed by the manufacturer. The manufacturer provides a unified unlocking tool for management. The weakness is that the tool can be obtained from multiple channels. The safety of use cannot be guaranteed...

Claims

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Application Information

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IPC IPC(8): H04L9/32H04L9/30
Inventor 许俊任伟卫杰范峰
Owner KOAL SOFTWARE CO LTD
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