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A method and device for improving data card security

A data card and security technology, applied in the field of information security, can solve the problems of easy cracking of locked passwords, threats to data card information security, etc., and achieve the effect of improving security

Inactive Publication Date: 2011-12-07
YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the above-mentioned locking password is easy to be cracked, which leads to a great threat to the information security of the data card

Method used

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Examples

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] Such as figure 1 As shown, Embodiment 1 of the present invention provides a method for improving the security of a data card, including the following steps:

[0023] Step 11. Bind the data card inserted into the first terminal with the first terminal.

[0024] In this embodiment, when the data card is inserted into the first terminal, the data card may be bound to the first terminal by encrypting the data card. Specifically, firstly, a password lock i...

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Abstract

The embodiment of the invention discloses a method and a device for improving the security of a data card, which relate to the field of information security and are invented for improving the security of information in the data card. The method includes: binding the data card inserted into the first terminal with the first terminal; generating a decryption password; when the data card needs to be read and written, determining that the data card needs to be read and written Whether the second terminal is the first terminal, and if so, use the decryption password to decrypt the data card. The embodiments of the present invention are mainly used in various data cards.

Description

technical field [0001] The invention relates to the field of information security, in particular to a method and device for improving the security of a data card. Background technique [0002] At present, the data card has the characteristics of small size, high memory capacity, fast data transmission and flexible movement, so it is more and more favored by people. In order to prevent the information in the data card from being read and tampered with by illegal holders, a lock password can be set for the data card. When using the data card, an unlocking password needs to be input first, and only when the unlocking password matches the locking password can the data card be read and written. [0003] However, the above-mentioned locking password is easy to be deciphered, so that the information security of the data card is greatly threatened. Contents of the invention [0004] Embodiments of the present invention provide a method and device for improving the security of a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/14G06K19/073
Inventor 贺晓莹
Owner YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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