This may only apply to roughly 37 people on the MacRumors Forums, but out of curiosity, I plugged my Identiv SCR3500 (p/n: 90559-1) into my iPhone 15 Pro Max and inserted my CAC. Expecting nothing to happen, I was surprised to see it happily blinking as though my phone and Smart Card could finally be friends.
Having previously used a Bluetooth reader, I used the Smart Card Utility app from twocanoes (Smart Card Utility for iPhone and iPad) to verify the reader was recognized--and it was! The final test was downloading the DoD Root Certs and logging into OWA, which also worked!
The practicality of plugging a Smart Card and Reader into your phone is debatable, but it's a convenient backup option.
Having previously used a Bluetooth reader, I used the Smart Card Utility app from twocanoes (Smart Card Utility for iPhone and iPad) to verify the reader was recognized--and it was! The final test was downloading the DoD Root Certs and logging into OWA, which also worked!
The practicality of plugging a Smart Card and Reader into your phone is debatable, but it's a convenient backup option.