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A method and mobile phone card for realizing generalized reading of m1 application data

A data application and generalization technology, applied in the field of mobile communication, can solve problems such as hidden dangers of data security, poor feasibility, difficult management, etc., to achieve the effect of protecting data security, low implementation cost, and achieving universality

Active Publication Date: 2019-07-16
CHINA TELECOM CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is impossible for the card manufacturer to know its private key when making the card. If the card system integrator is required to disclose its private key, it will bring hidden dangers to data security.
If a batch of cards is customized for a certain school enterprise and the private key is agreed in advance, for mobile communication operators, each time a batch of school enterprise / building users is developed, a batch of cards will be customized, which is cumbersome, costly and difficult to manage Difficult, less feasible

Method used

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  • A method and mobile phone card for realizing generalized reading of m1 application data
  • A method and mobile phone card for realizing generalized reading of m1 application data
  • A method and mobile phone card for realizing generalized reading of m1 application data

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Embodiment Construction

[0027] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless specifically stated otherwise, the relative arrangement of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0028] At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to actual proportional relationships.

[0029] The following description of at least one exemplary embodiment is actually only illustrative, and in no way serves as any limitation to the present invention and its application or use.

[0030] The technologies, methods, and equipment known to those of ordinary skill in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be regarded as part o...

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Abstract

The invention discloses a method for realizing universalized reading of MI application data and a mobile phone card. The method comprises the following steps of: constructing an M1 data storage area and a mirror image area of the M1 data storage area, and setting a corresponding relationship between positions of the data storage area and the mirror image area; and in response to a request for reading application data stored in the data storage area, reading the application data from the corresponding position of the mirror image area according to the corresponding relationship. The application data in the M1 data storage area are not actually accessed, and are indirectly acquired through reading the application data in the mirror image area, so that a private key does not need to be known in advance and then the problems of universality and data security are solved.

Description

Technical field [0001] The present invention relates to the field of mobile communication, in particular to a method and a mobile phone card for realizing universal reading of M1 application data. Background technique [0002] Mifare one card (hereinafter referred to as M1 card) is a non-contact smart card, which is widely used in intelligent "all-in-one card" management of buildings, communities, and schools and enterprises. It can integrate access control accounts, canteen card (electronic wallet) and other applications in the card ; The one-card system includes a management platform, a POS machine for punching in and a work card / meal card (also known as Mifare1 card / M1 card) in the hands of each employee. When the card system is opened, the initial key is changed to a private key to ensure the security of the card application data; the key is in the hands of the card system integrator of each school, enterprise, and building. Usually, the keys of a single system are different ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/60G06F21/62
Inventor 黄莺陈强包巍陈蔚
Owner CHINA TELECOM CORP LTD
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