A kind of multifunctional spi flash programming method and burner

A burning method and burner technology, applied in instruments, digital transmission systems, secure communication devices, etc., can solve the problems of users being unable to track, function closed, and instructions not being transparently transmitted, and reduce the cost of transmission data and communication data Time, the effect of reducing time

Active Publication Date: 2021-05-04
WUHAN JINGCE ELECTRONICS GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned programmer cannot transparently transmit instructions to the user, and the function is very closed, and the user cannot track, inspect, and debug

Method used

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  • A kind of multifunctional spi flash programming method and burner
  • A kind of multifunctional spi flash programming method and burner
  • A kind of multifunctional spi flash programming method and burner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] Below in conjunction with accompanying drawing and specific embodiment the present invention will be described in further detail:

[0025] The multifunctional SPI flash burning method designed by the present invention encrypts the file to be burned to form a ciphertext with a key, and encrypts the key to form a key ciphertext;

[0026] Store the decryption key of the decrypted ciphertext and the key ciphertext in the burner, and encrypt and protect the secret key of the decrypted key ciphertext;

[0027] The ciphertext and key ciphertext are restored to the burning file through the decryption key in the burner, and then the burning operation is performed through the SPI communication module;

[0028] The protocol script edited by the host computer is run and processed by the burner, and the command transparent transmission is completed through the SPI communication module and then fed back to the host computer.

[0029] In order to achieve better confidentiality, the b...

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PUM

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Abstract

The invention discloses a multi-functional SPI flash burning method. The file to be burned is encrypted by a key to form a ciphertext, and the key is encrypted to form a key ciphertext; the decrypted ciphertext and the encrypted ciphertext are stored in the burner The decryption key of the key ciphertext, and encrypt and protect the secret key of the decryption key ciphertext; the ciphertext and the key ciphertext are restored to the burning file through the decryption key in the burner and then processed through the SPI communication module. Burning operation; the protocol script edited by the host computer is run and processed through the burner, and the command transparent transmission is completed through the SPI communication module and then fed back to the host computer. The invention also discloses a multifunctional SPI flash programmer. The programmer can be debugged and achieves the purpose of confidentiality and fast programming during the programming process.

Description

technical field [0001] The invention relates to the field of programming, in particular to a multifunctional SPI flash programming method and a programming device. [0002] technical background [0003] At present, the SPI flash programmers on the market are controlled through the network port or USB port of the host computer, and perform full erasing, partial area erasing, full writing, partial area writing, full reading, partial area reading and automatic operation. Such as erasing, writing, reading, comparing. In actual use, the operation of SPI flash is completed by SPI bus protocol instructions one by one. The above-mentioned programmer cannot transparently transmit instructions to the user, and the function is very closed, and the user cannot track, inspect, and debug. Contents of the invention [0004] The present invention aims at the deficiencies of the prior art, and provides a multifunctional SPI flash programming method and a programmer that can be debugged an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F8/654H04L9/08H04L29/06
CPCH04L9/0861H04L63/0428
Inventor 田方力
Owner WUHAN JINGCE ELECTRONICS GRP CO LTD
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