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

CN102270183AInactive Publication Date: 2011-12-07YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
5 Cites 1 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2011-12-07
Estimated Expiration
Not applicable · inactive patent
Patent Text Reader

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.
Need to check novelty before this filing date? Find Prior Art

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 ...

Examples

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...