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Key management method and system

A key management and data key technology, applied in the field of information security, can solve problems such as hidden dangers of information security, and achieve the effect of reducing the risk of leakage

Active Publication Date: 2020-05-08
BEIJING STARBLAZE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The software run by the control part of the existing storage device has the opportunity to access the data key used for encryption or decryption, resulting in the storage device supplier having the opportunity to access the user's sensitive information, which brings hidden dangers to information security

Method used

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Examples

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Embodiment Construction

[0060] The technical solutions in the embodiments of the present application are clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0061] figure 2 is a schematic diagram of a key management system according to an embodiment of the present application.

[0062] According to the embodiment of the present application, the host 210 accesses the storage device through the host interface 221 . The control unit 220 includes a command processing unit 222 and a key management unit 223 . The command processing unit 222 acquires and processes commands provided by the host 210 . The commands provided by the host 210 in...

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PUM

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Abstract

The invention discloses a key management method and system, and relates to the field of information security. According to the main technical scheme of the invention, the method comprises the steps ofreceiving an input user key, and carrying out Hash operation on the user key to obtain a user key Hash value; and reading an encrypted value of a data key from a storage medium, decrypting the encrypted value of the data key by using the user key hash value to obtain the data key, and encrypting or decrypting user data by using the data key. By adopting the key management method and system provided by the invention, software running in storage equipment cannot directly access the key for encrypting and decrypting the data, so that hardware-level protection of the key is achieved, and the riskof secret leakage is reduced.

Description

technical field [0001] The present application relates to the field of information security, in particular to a key management method and system for data encryption or decryption of storage devices. Background technique [0002] figure 1 A block diagram showing the memory device. The storage device 102 is coupled with the host, and is used to provide storage capabilities for the host. The host and the solid-state storage device 102 can be coupled in various ways, including but not limited to SATA (Serial Advanced Technology Attachment, serial advanced technology attachment), SCSI (SmallComputer System Interface, small computer system interface), SAS (Serial Attached SCSI, serial connection SCSI), IDE (Integrated Drive Electronics, integrated drive electronics), USB (Universal SerialBus, universal serial bus), PCIE (Peripheral Component Interconnect Express, PCIe, high-speed peripheral component interconnection), NVMe (NVM Express, high-speed non-volatile storage), Etherne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L9/32H04L9/08H04L9/06
CPCH04L9/08H04L9/0643H04L63/06H04L9/3236H04L9/0822
Inventor 王祎磊黄好城傅海龙其他发明人请求不公开姓名
Owner BEIJING STARBLAZE TECH CO LTD
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