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An encrypted mobile hard disk and its implementation method

A mobile hard disk and encryption chip technology, applied in the protection of internal/peripheral computer components, digital data authentication, etc., can solve the problems of difficult expansion of algorithms, difficulty in development, and difficulty, so as to achieve good promotion and use value and improve password security , the effect of ensuring confidentiality

Active Publication Date: 2019-01-08
SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the encryption method of this patent is not only cumbersome and difficult, but also has many unsafe and unstable factors in fingerprint identification, so this patent has unsafe factors for data encryption
[0004] The encryption and protection method of the existing mobile hard disk data generally adopts the encryption and decryption algorithm implemented in the USB main control chip. This implementation method has problems such as difficult development, poor performance, and difficult expansion of the algorithm.
[0005] How to solve the problems of difficult development, poor performance, and difficult expansion of algorithms in the original mobile storage data encryption protection, to ensure the confidentiality and integrity of mobile storage data, so as to meet the requirements in the field of mobile storage data security is an existing technology. technical issues

Method used

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  • An encrypted mobile hard disk and its implementation method

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Embodiment 1

[0029] as attached figure 1 As shown, a kind of encryption mobile hard disk of the present invention, its structure comprises USB main control chip, ECC chip, KB module, FPGA encryption chip, FPGA decryption chip and eMMC memory chip, ECC chip connects USB main control chip through SPI interface, both sides Interactive authentication information and authentication results; the KB module is connected to the USB main control chip through the I2C interface to obtain user password input; the USB main control chip is connected to the FPGA encryption chip through the ONFI interface to realize user data interaction; the FPGA encryption chip is connected to the eMMC memory chip through the MMC interface , to achieve high-speed data writing; the eMMC memory chip is connected to the FPGA decryption chip through the MMC interface to realize high-speed data reading; the FPGA decryption chip is connected to the USB main control chip through the ONFI interface to realize user data interactio...

Embodiment 2

[0031] A method for implementing an encrypted mobile hard disk, using a kind of encrypted mobile hard disk in embodiment 1 to store data, comprising the following steps:

[0032] (1) When the user uses it, input the login password through the KB module, and the KB module will transmit the password to the USB main control chip through the I2C interface;

[0033] (2) The USB main control chip performs algorithm authentication through the ECC chip, and judges whether to allow user access according to the authentication result:

[0034] ①If the authentication is passed, the user is allowed to access, the USB main control chip transmits the data to the FPGA encryption chip for data encryption, and writes the encrypted data into the eMMC memory chip through the MMC interface; the eMMC memory chip transmits the data to the The FPGA decryption chip performs decryption, and returns the decrypted data to the PC through the USB high-speed interface provided by the USB main control chip; ...

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Abstract

The invention discloses an encrypted mobile hard disk and a realization method thereof, belongs to the field of data storage safety, and aims at solving the technical problem of how to ensure the confidentiality and integrity of mobile data storage. The encrypted mobile hard disk comprises a USB main control chip, an ECC chip, a KB module, an FPGA encryption chip, an FPGA decryption chip and an eMMC storage chip. The relation method of the encrypted mobile hard disk comprises the following steps: inputting a login password through the KB module; carrying out algorithm authentication by the USB main control chip through the ECC chip; if the authentication succeeds, transmitting data to the FPGA encryption chip by the USB main control chip to carry out data encryption and writing the encrypted data into the eMMC storage chip; transmitting the data to the FPGA decryption chip by the eMMC storage chip to carry out decryption and returning the decrypted data to a PC through a USB high-speed interface of the USB main control chip; and if the authentication fails, not allowing a user to log in.

Description

technical field [0001] The invention relates to the field of data storage security, in particular to an encrypted mobile hard disk and its realization method. Background technique [0002] With the increasing value of data and the continuous development of storage technology, the importance of storage systems continues to increase, and data has become the core asset. Mobile storage is often the preferred target of attackers over static storage, so as to achieve the purpose of stealing, tampering or destroying data. If there are no security precautions, once the attacker successfully steals, its negative impact will be inestimable. Therefore, mobile Storage security becomes critical. [0003] The patent document with the patent number CN 101650693 B discloses a mobile hard disk security control method and a safe mobile hard disk. In this method, the disk controller encrypts the data stored in the mobile hard disk by means of chip encryption, and uses the fingerprint recognit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/78G06F21/31
CPCG06F21/31G06F21/78
Inventor 李岩
Owner SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD