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DocumentationAPDU API
CHANGELOG
26 May 2025

  • Added IDENT command to Keycard an Cash applet
  • Added Ident applet
  • Added ability to export the extended public key
  • Added duress PIN
  • The INIT command now optionally accepts the max number of PIN, PUK retries and the duress PIN

  • BREAKING Removed the DUPLICATE KEY command
  • BREAKING Removed SET NDEF command (replaced by STORE DATA)
  • Added Cash applet for payments/burner wallet scenarios
  • STORE DATA/GET DATA can now be used also for NDEF and Cash data

  • Added additional options to the SIGN command to facilitate usage in POS transactions.
  • Make SET NDEF more tolerant on the input format by automatically appending missing length.

  • Added concept of capabilities, making some APDU conditional and extending the SELECT response.

  • BREAKING Changed application AID
  • BREAKING Completely redefined the EXPORT KEY command
  • BREAKING Removed assisted key derivation
  • BREAKING Removed plain data signing, now only 32-byte long hashes can be signed
  • Added internal key generation (GENERATE KEY)
  • Added the ability to customize the NDEF response (SET NDEF)
  • Added DUPLICATE KEY command
Last edited
26 May 2025