Yes – the YubiKey can be connected to older iPad or iPhone devices (such as iPad 3 or iPhone 4 and older) using Apple’s Camera Connection Kit, or newer devices (such as iPad 4 or iPhone 5) using a Lightning-to-USB Camera Adapter. Only core YubiKey functions (Yubico OTP, Static Password, and OATH-HOTP) are supported. (This means that U2F, OATH-TOTP, and challenge-response are not supported, as well as any CCID-related functions.) For more information, see How to Get Started with YubiKey on iOS Devices.

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