how to protect sensitive data, such as key, in DA14681?

Fri, 2021-02-05 08:46 -- nigelyang

hi Dialog,

    I would to store sensitive data , a key of encryption or PIN code data, in flash or somewhere in DA14681.  Do you have any suggestion for protecting the data stored from hacking.   I know DA14681 does not have any secure area like trustzone.   thanks for your answer.



Problems with flashing DA14681

Mon, 2021-02-01 19:43 -- saschaho

Hi there,

I work with a DA14681 Basic Development kit in order to develop a HomeKit accessory.
(SDK: DA1468x_SDK_1.0.14_homekit_RC_14_13_28)

I already was able to successfully flash the board on a Windows machine for testing purposes. However I usually develop on macOS. Unfortunately, I have some problems.

1. When I try to flash the board on my Mac and run suota_inital_flash_mac the console shows the following output:

BLE modules for building applications

Thu, 2021-01-28 14:17 -- PHYSEE

I am working in a project to create a mesh wireless sensor network(WSN). I am very interested in doing so using mesh BLE devices. However, this topic is completely new for me and I have faced some challenges to fully determine the performance of BLE in a similar application to mine. Thus, I would like to ask some technical questions hoping to get better understanding for my project.

about da14683 soft reset

Sun, 2021-01-17 10:43 -- kuda

HI! PM_Dialog,

        I have custom DA14683 boards and got problem about soft reset.

        I want to extend hours of battery life, so when device set to sleep mode with turn off all peripheral device.

        So when gpio interrupt to wake up da14683, I want to reset cpu to reload program.

        But I can't find any api from sdk about da14683 soft reset.

        SDK version -->DA1468x_DA15xxx_SDK_1.0.14.1081

        Do the sdk supoort soft reset?



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