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APDU Reference

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APDU Reference
29 Jan 2026

#APDU Reference

This document describes all APDUs part of the Keycard APDU protocol.

  • Overview
  • CHANGELOG
  • SELECT
  • INIT
  • IDENT
  • OPEN SECURE CHANNEL
  • MUTUALLY AUTHENTICATE
  • PAIR
  • UNPAIR
  • GET STATUS
  • VERIFY PIN
  • CHANGE PIN
  • UNBLOCK PIN
  • LOAD KEY
  • DERIVE KEY
  • GENERATE MNEMONIC
  • REMOVE KEY
  • GENERATE KEY
  • SIGN
  • SET PINLESS PATH
  • EXPORT KEY
  • STORE DATA
  • GET DATA
  • FACTORY RESET
Last edited
29 Jan 2026

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