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• v4.4 2e0f9d6b36

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  Version 4.4 Stable

  polhenarejos released this 2026-02-02 03:56:25 +08:00 | 15 commits to main since this release

  This release introduces new USB VID/PID official descriptors and bug fixes.

  New

  • Added RTC set/get support, including RTC association with credentials.
  • Added vendor commands via CCID.
  • Introduced new USB descriptors allocated to PicoKeys.

  Enhancements

  • Reorganized project tree and build layout, including ESP32 restructuring.
  • Added sanity checks to prevent handling of oversized packets.
  • Upgraded to the new firmware/layout structure.
  • Migrated and cleaned up RTC handling across the codebase.
  • Clear DEK on error.
  • Added weak init callback.
  • Added PHY marker for RP2040 to preserve serial number in BOOTSEL.
  • Added 8K binding partition for RP2350.

  Fixed

  • Fixed CCID maximum packet length handling and interface naming.
  • Fixed SHA-256 alternative implementation.
  • Fixed LED default parameters on Pimoroni boards.
  • Fixed incorrect or incomplete interface string handling when not all interfaces are enabled.

  Changed

  • Updated to new VID:PID assigned to Pico OpenPGP.

  Full Changelog: https://github.com/polhenarejos/pico-openpgp/compare/v4.2...v4.4

  Downloads

  • pico_openpgp_esp32s2-4.4.bin
    469 KiB

    2026-02-05 06:54:26 +08:00
  • pico_openpgp_esp32s3-4.4.bin
    510 KiB

    2026-02-05 06:54:27 +08:00
  • pico_openpgp_pico-4.4.uf2
    716 KiB

    2026-02-02 04:03:28 +08:00
  • pico_openpgp_pico2-4.4.uf2
    641 KiB

    2026-02-02 04:03:30 +08:00
  • Source Code (ZIP)
  • Source Code (TAR.GZ)