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Mobile storage device with key removal and storage mechanism

A technology of mobile storage devices and mechanisms, applied in the direction of preventing unauthorized use of memory, etc., can solve problems such as hidden dangers of mobile storage devices, and achieve the effect of increasing the difficulty of stealing keys and making up for low reliability.

Inactive Publication Date: 2010-10-06
TSINGHUA TONGFANG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technical solution of the invention "portable data storage medium with access protection through key subdivision" with the patent number 00817950.6 entering the Chinese national stage discloses the means of splitting the key, but the source of the split key is Existing in the same storage form will also directly cause security risks of mobile storage devices

Method used

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  • Mobile storage device with key removal and storage mechanism
  • Mobile storage device with key removal and storage mechanism
  • Mobile storage device with key removal and storage mechanism

Examples

Experimental program
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Embodiment Construction

[0019] see figure 1 , the present invention includes:

[0020] Interface unit——used to provide an interface for communication between the mobile storage device and external devices, and information in different storage forms can also be transmitted to the mobile storage device through this interface;

[0021] Control processing unit—connected with the interface unit to provide data processing, control data transmission, control data reading and writing and deletion, and call the cryptography service unit to generate decryption keys for data fragments;

[0022] Cryptographic service unit—connected with the control processing unit to provide cryptographic services, and select cryptographic algorithms and services with different security strengths according to security and confidentiality levels; cryptographic algorithms can use DES algorithm, 3DES algorithm, IDEA Algorithms and symmetric encryption algorithms such as domestic independent encryption algorithms SMS4 algorithm, SS...

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Abstract

The invention relates to a mobile storage device with a key removal and storage mechanism, which belongs to the technical field of a mobile storage device. The mobile storage device comprises an interface unit, a control processing unit, a cryptography service unit and a data storage unit, a decryption key used by the mobile storage device is formed by directly piecing up two or more data slots or through a corresponding algorithm, and each data slot is provided with different storage forms and access mechanisms. Compared with the prior art, the key removal and storage mechanism realizes multiple protection of the mobile storage device, increases the difficulty in stealing the key of the mobile storage device, and has the advantage of high security.

Description

technical field [0001] The invention relates to the technical field of mobile storage devices, in particular to mobile storage devices with a key split storage mechanism. Background technique [0002] In today's era, with the rapid development of networking and information technology, the importance of information security is particularly prominent, and the hidden dangers and threats brought by information security vulnerabilities are also increasing. Information security protection issues are involved in various fields such as finance, IT, digital copyright, e-commerce, and e-government affairs. These fields also need to use some storage devices to store or transfer confidential information. However, such a storage device is often used in an unsafe application environment, and the confidential information stored in the storage device is easily stolen by others and used for illegal purposes, causing immeasurable losses. In recent years, storage devices with encryption and d...

Claims

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Application Information

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IPC IPC(8): G06F12/14
Inventor 赵珍
Owner TSINGHUA TONGFANG CO LTD