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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

InoL

I do not know anything about BI Publisher, but I assume it has an option to send the output to a printer. Simply Googling for it:
Configure a Printer in Oracle Analytics Publisher
Browsers cannot send output directly to a printer. There is always some user interaction before sending the output to a printer.

Small print: there is a non-standard way to send some output directly to the printer from a browser. However, it involves hacking the Windows registry (I only know this trick for Windows):
Create a PDF file with extension .pdfp. Windows doesn't know this extension, so it will create a new registry entry for pdfp.
Change the Open behaviour in the registry (find it somewhere in \HKEY_CURRENT_USER\SOFTWARE). Instead of opening the file, print it. In my case, I use Sumatra pdf:

"C:\Users\someuser\AppData\Local\SumatraPDF\SumatraPDF.exe" -print-to-default "%1" %*

Of course, this command will change per configuration.

TexasApexDeveloper

If the print engine was NOT Bi Publisher, I'd recommend Apex Office Print. They have functionality to print to a network printer included with the product. Since this is a Bi Publisher question, you MIGHT get a better response if you posted it to that products support forum..
Thank you!
Tony Miller
White Rock, NM

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Locked on Jun 5 2023
Added on Apr 6 2021
#function
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