1. Flash Memory Read-Out Protection

    MCU usually supports a feature to disable reading out its content of flash memory for external use.

    Such a feature is useful when we build a device like Gnuk Token, because we can make sure that secret data on a device cannot be read out.

    Historically, this feature was implemented …

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  2. How can I install Gnuk on FST-01 with NeuG 1.0.5?

    Q: I got another FST-01 with NeuG 1.0.5 installed. As I need Gnuk Token, I want to reflash. How can I install Gnuk without SWD debugger?

    Answer

    SWD debugger is not the absolute requirement, since NeuG supports firmware upgrade.

    However, please note that the feature of firmware upgrade …

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  3. How can I install NeuG on FST-01 with Gnuk 1.0.1?

    Q: I got another FST-01 with Gnuk 1.0.1 installed. As I need hardware random number generator (instead of another Gnuk Token), I want to use this FST-01 with NeuG overriding Gnuk. How can I install NeuG? Do I need SWD debugger?

    Answer

    SWD debugger is not the absolute …

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