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PCH certification

RKOAS
Associate II

‎2024-01-05 02:54 AM

HI 

I have attached the result of the " Public Key Certificate " that I received from the SMAK application code. 
As a result, we are getting an  Elliptic Curve Cryptography (ECC)  type certificate.   
 
But as per UDAI Specification Ver 2.0 - 2022 ,  We need RSA 2048 Type certificate. Kindly support
 
RKOAS_0-1704452055961.png

 


 

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3 REPLIES 3
Jocelyn RICARD
ST Employee

‎2024-01-05 03:09 AM

Hello @RKOAS,

could you please give a bit more detail.

Are you talking about DUA certificates ?

Thank you

Best regards

Jocelyn

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RKOAS
Associate II
In response to Jocelyn RICARD

‎2024-01-05 03:21 AM

yes. Talking about DUA certifiacte.

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Jocelyn RICARD
ST Employee
In response to RKOAS

‎2024-01-05 04:25 AM

Hello @RKOS,

Ok in this case I'm afraid there is no solution.

The 2 DUA certificates are based on ECC keys and this cannot be changed as these are provisioned in ST's secure factory before releasing the STM32H573 chip.

This is very probably a marketing decision based on the fact that ECC is more adapted to IOT world.

Best regards

Jocelyn

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