How can I support encryption in transfering files between skype for business users?

Vinod Kumar 1 Reputation point
2021-03-24T18:10:40.577+00:00

I am implementing file transfer using 1-to-1 chat and using the following link to implement it. http://ocsgcf.blogspot.com/ Using the mentioned approach I am able to transfer between two users. Now I am working to add encryption in this. I could not find any documentation on this. When I send file invite from my code to skype for business desktop client. It returns Encryption-Key and Hash-Key. Now I do not know how to use these keys in file transfer. Please advice.

Skype for Business
Skype for Business
A Microsoft communications service that provides communications capabilities across presence, instant messaging, audio/video calling, and an online meeting experience that includes audio, video, and web conferencing.
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