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Usb interface device data encryption conversion device and its working method

A technology of USB interface and device data, applied in the direction of digital data protection, internal/peripheral computer component protection, etc.

Active Publication Date: 2020-08-25
BEIJING INST OF COMP TECH & APPL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] For the widely used general-purpose USB interface storage devices, how to realize data encryption safely, conveniently and efficiently, the above-mentioned security technologies all have certain defects

Method used

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  • Usb interface device data encryption conversion device and its working method

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Embodiment Construction

[0063] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0064] The present invention designs a special encryption transfer device for general USB interface storage devices, and adopts technologies such as hardware encryption, USB interface function control, destruction control, key security exchange, etc., which can meet the data encryption storage between the host and general USB interface storage devices , Encrypted transfer of data between common USB storage devices, and also provide data backup between common USB storage devices, as well as data security destruction function of common USB storage devices, with wider applicability and security protection capabilities.

[0065] The invention provides a USB interface device data encryption and decryption control conversion ...

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Abstract

The invention relates to a USB interface equipment data encryption conversion device and a working method thereof, and relates to the technical field of real-time data processing. The invention discloses a USB Phy interface module based on an OTG mode,providing a source end USB interface and a target end USB interface, desgining a read-write control module integrated with a ULPI interface; encryption control module, key exchange module, bit map management module, file system analysis module, destroying control module and the like, the source end USB interface support is not connected with a host or a universal USB interface storage color number; connecting the target end USB interface with a universal USB interface storage device. The functions of supporting data encryption,secret key security exchange, file system analysis, bitmap management, working mode configurability, destruction control and the like are achieved, and the application requirements for encrypted storage between a host and a universal USB interface storage device, encrypted transfer between the universal USB interface storage device, data machine backup, data security destruction of the universal USB interface storage device and the like are met.

Description

technical field [0001] The invention relates to the technical field of real-time data processing, in particular to a USB interface device data encryption conversion device and a working method thereof. Background technique [0002] With the development of USB interface bus technology and the widespread application of mobile storage devices, especially the wide application of large-capacity storage devices, the use of USB interface storage devices to store / backup / exchange data, install application software / operating systems, etc. has become the daily life of people. , The normal state of work. With a large amount of data stored in these general-purpose large-capacity USB interface mobile storage devices, a large amount of personal privacy, sensitive data, confidential information, etc. caused by the loss of mobile storage devices, unauthorized access, etc. are out of control, which has become an important application. The problem that mobile storage device must solve. [00...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/85G06F21/60
Inventor 姚智慧孟辰
Owner BEIJING INST OF COMP TECH & APPL