Method for manufacturing SD card with data copyright protection function

Abstract

The invention discloses a method for manufacturing an SD card with a data copyright protection function. The method comprises the steps of generating a data file named by means of an information code formed by combination of data SN, terminal equipment SN and user SN, acquiring the HASH value of the file, saving the HASH value in a corresponding data file, and making a CPRM copyright statement; conducting system CPRM copyright information comparison, then conducting decoding, detecting whether the data file named by means of the three-code combination information code exists, and judging whether the HASH value of the file is consistent with the value obtained during initialization if yes; copying all files into an SD card CPRM copyright statement subregion after HASH value comparison, so that the card is obtained and can be used normally.

Description

technical field [0001] The invention relates to the field of SD card production, in particular to the field of SD card design based on the mutual binding of user SN, terminal equipment SN and data SN, which is applied on the basis of CPRM and has the function of data copyright protection. Background technique [0002] With the continuous development of the mobile Internet, the problem of copyright protection in the mobile Internet is becoming more and more serious, especially in the copyright protection in sales, the problem is very prominent. [0003] In the era when VCD / DVD is popular, due to the copyright protection of VCD / DVD, under the protection of CPRM, the copyright protection of genuine VCD / DVD is smoothly distributed on a large scale. [0004] At present, with the development of the mobile Internet, VCD / DVD and other disc-based media can no longer meet the development needs. Instead, flash memory cards such as SD cards and TF cards have become the main media for da...

AI Technical Summary

Problems solved by technology

Although the original SD card and TF card are written into the CPRM system when they leave the factory, but because there are few application methods supporting CPRM at present, the SD card use environment is much more complicated than the equipment environment in the VCD / DVD period, and it is difficult to realize For large-scale applications, it is difficult to achieve the status of protecting SD cards just by protecting VCD / DVD

Therefore, at present, it is difficult for us to see SD card records issued with SD cards instead of VCD / DVD, and it is also difficult to see that SD cards can be used as the distribution medium of WINDOWS and other software, and it is even more difficult to see SD cards as media that cannot be run off the disk. Great apps that don't work off the SD card

[0005] However, SD card as a popular carrier, if it can be fully utilized to promote copyrighted materials, it will inevitably reproduce the popular myth of VCD / DVD

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