[QUERY] Moving from msal to azure identity - how to pass X509Certificate + Privatekey to ClientCertificateCredential?

[AsafMah]

Query/Question

The msal version of ClientCertificate accepts a IClientCertificate, which can be easily constructed in various ways, specifically from a X509Certificate and PrivateKey objects, and directly from a certificate's bytes.

We want to move to azure identity and ClientCertificateCredential, however, it seems that it only accepts two formats - pem and pfx files.
So to migrate, we will have to convert these java objects to those file formats.

As far as I can tell, there is no standard way to do so, nor it is provided in the library.

So the question is - how can I create a ClientCertificateCredential from an X509Certificate and PrivateKey objects, and if it's not possible, can this be added as an additional ctor?

Why is this not a Bug or a feature Request?
I'm not sure if this is a missing feature, or I if I'm missing something.

Setup (please complete the following information if applicable):

• OS: [e.g. iOS] Windows
• IDE: [e.g. IntelliJ] Intellij
• Library/Libraries: com.azure:azure-identity:.1.13.0

Information Checklist
Kindly make sure that you have added all the following information above and checkoff the required fields otherwise we will treat the issuer as an incomplete report

• Query Added
• Setup information Added

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@billwert @g2vinay

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