topic APDU command for generating private key from a random 24 mnemonic phrase using SE050 in Secure Authentication

APDU command for generating private key from a random 24 mnemonic phrase using SE050

parrthpanchal — Fri, 24 Sep 2021 19:32:09 GMT

Hi,

I am using Adafruit Feather nRF52840 Express and SE050. I want to generate a private key using Ed25519 in SE050 from a random 24 mnemonic phrase.

For doing this shall I just port the whole middleware or use APDU commands and send them via I2C to SE050?

PS: I am new to NXP's SE050 and want to learn more about plug and trust middleware and APDU commands specific to SE050. I referred to this document but wasn't able to find anything specific to what I want to do.

Could you please suggest to me some beginner-friendly resources to learn about APDU commands specific to SE050?

Re: APDU command for generating private key from a random 24 mnemonic phrase using SE050

Kan_Li — Sun, 26 Sep 2021 06:21:55 GMT

Hi @parrthpanchal ,

There is an app note for APDU commands supported by SE050, please kindly refer to https://www.nxp.com/docs/en/application-note/AN12413.pdf for details.

Hope that helps,

Have a great day,
Kan

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