Getting CAC working on iPhone/iPad

ios

Symptoms

Need to access a CAC site from an iPhone or iPad and the cert picker never appears.

Likely cause

iOS does not include CAC middleware. A vendor reader + app must be installed.

Fix

1. Buy a compatible reader (TwoCanoes or Identiv iAuthenticate 2.0). 2. Install the matching app (Smart Card Utility from TwoCanoes, or iAuthenticate 2.0). 3. In Safari on the device, go to the TwoCanoes site > Resources > 'US Government/DoD Installation Instructions'. 4. Download and install the DoD certificate profile in Settings > General > VPN & Device Management when prompted. 5. Pair the reader via USB-C, Lightning, or Bluetooth. 6. Open the app and confirm the CAC is read before browsing to a CAC site.

Sourced from militarycac.com. Rewritten for clarity.

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