Intelligent cipher key and method for managing management password of intelligent IC card

Abstract

The invention discloses an intelligent cipher key and a management method of the intelligent IC card management password, including the steps: firstly generating the asymmetric key pair namely a clear key and a private key; randomly generating a management password for each intelligent cipher key or intelligent IC card; secondly encrypting the management password generated by using the disclosed cipher; then formatting the intelligent cipher key and the intelligent IC card, and writing the ciphered management password into the intelligent cipher key and the intelligent IC card; finally unlocking the intelligent cipher key or intelligent IC card if needing a management password and reading the ciphered management password and using the private key to decrypt to obtain the original management password. The invention has the advantages that, the generated management password is encrypted and decrypted based on the asymmetric key pair to realize the management on the management password, which effectively prevents the easy leakage of the single management password to bring the safety problems, and avoids the complex management and the easy confusion.

Description

technical field [0001] The invention relates to a management password of an intelligent password key and an intelligent IC card, in particular to a method for generating and managing the management password of the intelligent password key and the smart IC card. Background technique [0002] At present, when using smart password keys or smart IC cards in large quantities, they are usually formatted in a centralized manner, and it is necessary to set management passwords for these smart password keys or smart IC cards during centralized formatting, but due to There are many users, if the same management password is uniformly set when formatting, then once other people know any one of the password keys or the initial management password of the smart IC card, they can unlock all the password keys or the smart IC card. It will seriously affect the security of the system. In addition, if the personnel involved in formatting leave their jobs, it will also cause potential security ...

AI Technical Summary

Problems solved by technology

[0002] At present, when using smart password keys or smart IC cards in large quantities, they are usually formatted in a centralized manner, and it is necessary to set management passwords for these smart password keys or smart IC cards during centralized formatting, but due to There are many users, if the same management password is uniformly set when formatting, then once other people know any one of the password keys or the initial management password of the smart IC card, they can unlock all the password keys or the smart IC card. will seriously affect the security of the system

In addition, if the personnel involved in the format leave their jobs, it will also cause system security risks

[0003] Therefore, for the problems referred to above, if technicians just consider adopting different management passwords for each smart password key or smart IC card, although the security problem can be solved like this, when the number of smart password keys or smart IC cards is large, it will It will bring complex management, easy confusion and forgetting problems

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