Cryptnox Smart Card Readers
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Compatibility guides
Cryptnox USB smart card readers connect contact (ISO 7816) and contactless (ISO 14443) smart cards to Windows, macOS and Linux over USB-C. Both readers support extended APDU, which is what national eID schemes and ICAO 9303 travel documents require for certificates and signatures larger than the 255/256-byte short-APDU limit.
Smart Card Reader Compatibility by Country [HTML] — national eID and professional card compatibility per country, with the official government middleware required for each
FIDO2 Card Compatibility — Services and Platforms [HTML] — which services and operating systems work with a Cryptnox FIDO2 NFC card, second-factor or passwordless, and where extra software is needed
Click-to-Tap — FIDO2 User Presence on a Desktop Reader [HTML] — what the Click-to-Tap button does, why FIDO2 sign-in on a contact reader needs it, its requirements, and troubleshooting