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Compared with Goodix encryption, GRPLT Lite Config Tool customized firmware encryption allows users to adopt customized algorithms and write the keys generated by customized algorithms into GR551x System-on-Chips (SoCs), to independently control encryption logics. During customized firmware encryption application, users can deduce the correctness of the keys according to the encryption algorithms, to ensure smooth operation of the encryption firmware as well as the security of user products.

Before getting started, you can refer to the following documents.

Table 1 Reference documents
Name Description
GRPLT Lite Config Tool User Manual Introduces installation and operational instructions for GRPLT Lite Config Tool.
GR551x DFU Application Note Introduces the principles and methods of Device Firmware Upgrade (DFU) for GR551x SoCs.

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