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Key agreement method, secure boot method and system for self-encrypting solid state disk

A solid-state drive and key negotiation technology, applied in computer security devices, instruments, computing, etc., to achieve the effects of fast erasing, improving attack resistance, and prolonging service life

Active Publication Date: 2022-01-28
BEIJING SMARTCHIP MICROELECTRONICS TECH COMPANY +1
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  • Abstract
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Problems solved by technology

[0010] The purpose of the present invention is to provide a self-encrypting solid-state hard disk based on a cryptographic key negotiation method, a secure boot method and system, which are used to solve the problem of booting the operating system when the self-encrypting solid-state hard disk with the pre-installed operating system is used as the system disk

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  • Key agreement method, secure boot method and system for self-encrypting solid state disk
  • Key agreement method, secure boot method and system for self-encrypting solid state disk
  • Key agreement method, secure boot method and system for self-encrypting solid state disk

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Embodiment Construction

[0062] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0063] The cryptographic key involved in this embodiment may be a USBKEY with cryptographic algorithms and storage functions. The self-encrypting solid state disk involved in this embodiment supports the PCIe interface NVME protocol.

[0064] The self-encrypting solid-state hard disk involved in this implementation manner may be a solid-state hard disk that performs full-disk encryption or partition encryption. Full disk encryption refers to the encryption of user data, applications, and the operating system. The encryption key (DataEncrypt Key, Data Encryption Key, hereinafter referred to as DEK) of the self-encrypting solid-state hard disk is used to encrypt...

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Abstract

The invention relates to the technical field of solid-state hard disks, and discloses a cryptographic key-based key negotiation method and a secure boot method for a self-encrypting solid-state hard disk. The key negotiation method generates a session key through negotiation between the key key and the self-encrypting solid state disk, and encrypts or decrypts the KEK through the session key, which greatly improves the attack resistance of the key encryption key KEK and the encryption key DEK. The secure booting method of the self-encrypting solid-state drive, based on the key negotiation method, decrypts the KEK through the session key, and then decrypts the DEK of the self-encrypting solid-state drive through the KEK, so that the self-encrypting solid-state drive is decrypted to complete the boot, and the self-encrypting solid-state drive is improved. security.

Description

technical field [0001] The present invention relates to the technical field of solid-state hard drives, in particular to a key negotiation method based on a cryptographic key for a self-encrypting solid-state hard drive, a secure boot method for a self-encrypting solid-state hard drive, and a secure boot system for a self-encrypting solid-state hard drive , and a self-encrypting solid-state drive. Background technique [0002] Self-encrypting solid-state hard disk is a solid-state hard disk that does not rely on external encryption devices, and consists of two parts: a hard disk controller and a storage medium. The storage medium includes firmware space for hard disk controller access, reserved space and user space for storing user data, and the reserved space is used for storing key parameters and data structures. In order to avoid hard disk data leakage caused by hard disk being stolen or lost, a high-speed cryptographic algorithm module is embedded in the hard disk contr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/57G06F21/72G06F21/80
CPCG06F21/575G06F21/72G06F21/80
Inventor 杨震唐晓柯胡毅甘杰涂因子刘梦巩永平于艳艳
Owner BEIJING SMARTCHIP MICROELECTRONICS TECH COMPANY
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