how to implement TDES DPA with stm32u5 in TFM

2 replies
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Hi ,

I can find AES DPA in TFM demo application, but can't find TDES DPA implementation in TFM.

Please advise how to implement TDES DPA.

STM32U5 series

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Jocelyn RICARDBest answer

ST Employee

Hello @zqizh.1 ,

The AES DPA is based on a DPA resistant IP in STM32U5 SAES.

This IP does not support TDES for the reason mentioned by Peter.

Best regards

Jocelyn

Peter BENSCH

ST Technical Moderator

Why would anyone invest time in implementing an encryption that is considered insecure and has long since been cracked?

Regards
/Peter

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