High-speed security hard disk design method

A design method and hard disk technology, applied in the direction of internal/peripheral computer component protection, etc., can solve the problems of limited encryption technology of secure hard disk, interface speed access speed, performance difficult to meet the performance requirements of storage devices, etc., and achieve the effect of improving performance

Active Publication Date: 2019-08-23
BEIJING INST OF COMP TECH & APPL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] It can be seen that traditional secure hard disks are limited by encryption technology, interface speed or the access speed of the hard disk itself, and its performance cannot meet the performance requirements of high-performance computers and servers for storage devices.

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  • High-speed security hard disk design method
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Embodiment Construction

[0021] 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.

[0022] Such as figure 2 As shown, the high-speed secure hard disk of the present invention is designed to be connected to an external host using an NVMe interface, including a security encryption protection unit and N common SATA interface hard disks, and the security encryption protection unit and N common SATA interface hard disks are respectively connected through the SATA interface , the security encryption protection unit includes an NVMe protocol processing unit, a mapping unit, N encryption algorithm channels, N storage channels and a temporary buffer. The security encryption protection unit uses hardware to analyze the NVMe protocol, and analyzes the command type, sector address and data load issued by the hos...

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Abstract

The invention relates to a high-speed security hard disk design method, and relates to the technical field of computer storage. The NVMe interface with lower delay and higher speed is connected with the host, a security encryption protection unit is provides a plurality of encryption algorithms to check data for encryption and decryption and is provided with a plurality of hard disks to access data in parallel, the data throughput rate can reach the magnitude order of gigabyte per second, and the performance of the security hard disks is greatly improved.

Description

technical field [0001] The invention relates to the technical field of computer storage, in particular to a high-speed safe hard disk design method. Background technique [0002] A secure hard disk is a computer storage device designed with security enhancements to protect user data security. [0003] The traditional security hard disk adopts the architecture of traditional hard disk interface, single algorithm core encryption, and single hard disk to store data. The traditional hard disk interface is an IDE interface or a SATA interface, and its theoretical transfer rate is limited to the order of 100 megabytes per second. The architecture of single-algorithm encryption and data storage on a single hard disk also limits the data throughput rate of traditional secure hard disks. The block diagram of the traditional secure hard disk is as follows: figure 1 shown. [0004] It can be seen that traditional secure hard disks are limited by encryption technology, interface spe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/80
CPCG06F21/80
Inventor 赵明亮沈月峰王吕大冯志华邹武王震丰皇李子磊孙大东程远超龚清生
Owner BEIJING INST OF COMP TECH & APPL
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