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Function for RSA SHA-256 digital signature

sect55Apr 6 2021

I am attempting to write an Oracle function to authenticate against DocuSign using JWT. It requires RSA SHA-256 digital signature as outlined below:
The signature part of the JWT is a digital signature that enables DocuSign to verify that the JWT was created by your application and has not been modified since it was created. The first two parts of the JWT are signed with your application's private key (using the RSA SHA-256 digital signature algorithm) as shown in the diagram.
When Oracle function should I be using?
I'm using Oracle 19c (EE).
Robert

This post has been answered by Anton Scheffer on Apr 14 2021
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Comments

Sergey.N-Oracle

Hi!

It is impossible to access RTC registers from Java app.

/Sergey

Andrey.P-Oracle

Hi!

Actually you can change the value of the property using the following method:

Settings.setStringProperty("rtc.time", "2016:01:01:00:00:00");

Your application shall exit after invoking this line in order for the property to be written into the file. Please note that the rtc is only updated from the property during power-up or reset of the MCU. So that the new time is not applied when your application restarts, you need to force MCU to restart. And because Java APIs are limited on k64 there seem to be no way to initiate that from the application

Regards,

Andrey

2892292

Thanks for the info. It sure would be nice...

Maybe I need to set a pin to force a reset! 

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Locked on Jun 5 2023
Added on Apr 6 2021
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