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Control bus data encryption method and device

A technology for controlling the bus and data encryption, applied in the computer field, can solve the problem of low security and achieve the effect of improving security

Active Publication Date: 2017-03-15
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the problem of low security caused by the final encrypted data still being transmitted on the general-purpose bus in the prior art, the present invention is proposed to provide a control bus data encryption method and device that overcomes the above-mentioned problems

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  • Control bus data encryption method and device
  • Control bus data encryption method and device
  • Control bus data encryption method and device

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Embodiment Construction

[0021] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0022] In order to solve the problem in the prior art that the final encrypted data still needs to be transmitted on the general-purpose bus, resulting in low security, the present invention provides a control bus encryption method and device. The embodiment of the present invention designs the control bus in the terminal equipment, and the data The transmission bus is controlled, and the transmission channel of encrypted data uses ...

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Abstract

The invention discloses a control bus data encryption method and device. The method comprises the steps of receiving original data which are flowed in from a bottom layer bus and need to be encrypted via a first encrypted data special interface of a control bus, carrying out encryption on the original data by adopting a pre-determined encryption manner, and transmitting the encrypted data to an upper layer bus via a second encrypted data special interface, wherein the control bus is pre-set between the upper layer bus and the bottom layer bus in a physical layer of a terminal device; and receiving the encrypted data flowed out from the upper layer bus via the second encrypted data special interface of the control bus, carrying out decryption on the encrypted data by adopting a corresponding decryption manner, and transmitting the original data obtained after the decryption to the bottom layer bus via the first encrypted data special interface. By virtue of the technical scheme disclosed by the invention, the security of encrypted data physical transmission can be greatly improved.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a control bus data encryption method and device. Background technique [0002] In the prior art, the security of terminal equipment is a topic that has attracted more and more attention, but currently there are too few effective technical solutions for the security of mid-range equipment. In the existing security solutions for terminal equipment, most of the technical solutions encrypt data through software algorithms. Specifically, the terminal equipment includes four buses: the upper "system bus" and the lower "peripheral bus". bus", "modem (modem) bus", "CPU bus". In the prior art, the bottom "peripheral bus", "modem (modem) bus", and "CPU bus" are connected at the bus level with the upper "system bus" through the "universal transmission interface" to complete data bidirectional bus transmission. It can be seen from the above description that the final encrypted data still...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/00H04L29/06
CPCH04L9/00H04L9/40
Inventor 刘凤鹏于冰刘冬梅
Owner ZTE CORP
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