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Hi, I want to support client certifcate authentication for a URL loaded in WKWebView. Certificate is in the smartcard that is connected to iOS device through lightning port smart card reader. For USB-C type reader, iOS supports this out of the box. But for the lightning port reader, I thought of writing a CTK extension to access smartcard and read the certificate. I have a smart card sdk to access the smartcard. Could you please let me know which is the extension that should be used for this purpose. There are 2 types of extensions available in Xcode. Smartcard extension and Persistent Token extension. Which one should be used for this case? When I tried persistent token extension, it seems to hit sign function inside Tokensession class but with smartcard extension it is not getting called when I try to access the URL in WKWebView after certificate selection. Also the smartcard sdk has EAAccessory framework dependency. Is EAAccessory allowed to be used in CTK extension? https://developer.apple.com/forums/thread/111691?answerId=342707022 says EAAccessory is not working inside app extension. Thanks in advance.

Hi, Could you please let me know if there is a safe and recommended way to communicate between the container app and the extension? Thanks in advance.