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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.1.56] - 2026-04-08

Added

  • Add debugApp script to capture app PRINTF output over USB CDC
  • Scan until Ledger CDC port appears (connection & disconnection) and add timestamp
  • Enable BLS12-377 and ZIP32 derivations in parameters installation
  • Add support for Apex BLE
  • Add actionlint CI linting
  • USB environment variable to select specific port

Changed

  • Rename distributeFirmware11_scan into distributeFirmware
  • Bump protobuf version to match ledgerctl
  • Replace deploy job with reusable workflow
  • Apply ruff formatting and linting across codebase
  • Push to Artifactory Python registry in CI
  • Remove useless push to test.pypi.org
  • Update upload-artifact action (v3 deprecated)

Fixed

  • Fix issue when a LP has a .hex with several areas
  • Fix PCSC reader detection
  • Fix support for PCSC smartcard readers
  • Fix APDU through BLE
  • Fix AES init with IV
  • Reduce specific CI permission to the targeted job

[0.1.55] - 2025-07-30

Changed

  • Supported Python versions: dropped 3.6, 3.7 and 3.8, added 3.11, 3.12 and 3.13

Fixed

  • Fix issue when a LP has a .hex with several areas

[0.1.54] - 2024-05-21

Fixed

  • Fix missing import in loadApp.py

[0.1.53] - 2024-05-06

Added

  • Add detailed descriptions for some error codes to ease debug

Changed

  • Raise CommException with response data
  • Shutdown socket before closing

[0.1.52] - 2024-04-25

Fixed

  • loadApp.py: Fix return code

[0.1.51] - 2024-04-23

Changed

  • Making the main function of loadApp.py callable

[0.1.50] - 2024-04-03

Fixed

  • Align protobuf dependency versions with Ledgerwallet
  • Fix appName parameter encoding in runApp
  • Fix indentation on runApp

[0.1.49] - 2024-03-26

Added

  • Add Europa service UUID
  • Implement the backup deletion flow
  • Add --bypass-ssl-check for updateFirmware2 command
  • Automatic deployment in CI
  • Generate & deploy doc in the CI

Changed

  • Delete unused constants/import
  • Replace NFC polling mechanism with a simple transceive operation
  • Remove nfcTagUpdate.py script
  • Update udev rule for hidraw USB access
  • Update & document the generation of Sphinx documentation
  • Refactor recoverPrepareDataIdv
  • Encrypt backup data with provider's key

Fixed

  • Allow local install even when no tag or SCM tool is present
  • Fix list of valid sections
  • Do not force response=True on write_gatt_char() calls

[0.1.48] - 2023-07-25

Added

  • Add Recover's scripts and instructions
  • HexLoader: Add language packs functions
  • Add createpackParams as an attribute of HexLoader

Changed

  • Set long_description_content_type to markdown

[0.1.47] - 2023-04-20

Added

  • Add BleComm.py script with BleScanner class for device scanning and selection
  • Add BleDevice class with open/close/exchange methods
  • Add DongleBLE class in comm.py, integrate BleDevice from BleComm.py
  • Add Nano X support (add Nano X service UUID)

Changed

  • Use BLE write cmd characteristic to speed up transfer time

[0.1.46] - 2023-04-11

Added

  • Add readElfMetadata tool and integrate it to runScript

Changed

  • Enable --rootPrivateKey usage
  • Set NFC APDU max size to 255 (as USB HID transport)

Fixed

  • Fix runScript SCP APDU formatting

[0.1.45] - 2023-02-28

Added

  • Add NFC support in comm.py
  • Add new script nfcTagUpdate.py to update NFC tag content
  • Add nfcpy dependency

Fixed

  • Fix pyscard version for setuptools v67

[0.1.44] - 2023-01-25

Changed

  • createapp: set invalid API level (legacy) to -1
  • loadApp.py: Remove apilevel parameter

[0.1.43] - 2022-10-07

Added

  • SDK API level handling in load script
  • Add public endorsement endpoint

[0.1.41] - 2021-11-22

Fixed

  • Hotfix adding a close function to FileCard class

[0.1.40] - 2021-11-22

Fixed

  • Fixed assertion error
  • Fix apdugen wrong return type

[0.1.39] - 2021-11-17

Changed

  • Remove ctx and flags parameters
  • Script params: use keyword arguments for argparse
  • Remove redundant parentheses and semicolons
  • Replace hexstr() with bytes.hex()
  • Remove legacy code specific to Python 2
  • Remove unused imports
  • Add missing import

[0.1.38] - 2021-09-13

Changed

  • Rename prime256r1 to secp256r1

[0.1.37] - 2021-09-13

Added

  • Argument to bypass SSL check of remote certificate when running remote install script

[0.1.36] - 2021-09-02

Added

  • Add argument to bypass SSL check of remote certificate when endorsing a device
  • Add link to Speculos in documentation
  • Add note on developer Nano X units

Changed

  • Update Ledger URLs

Fixed

  • Test for AttributeError when reading secp256k1.HAS_ECDH

[0.1.34] - 2020-10-30

Fixed

  • Fix BLS-12 381 G1 derivation

[0.1.33] - 2020-10-30

Added

  • Add BLS-12 381 G1 derivation

[0.1.32] - 2020-09-03

Added

  • Add RFC6979 support for deterministic signatures
  • Handle GET RESPONSE

Fixed

  • Raise exception when needed

[0.1.31] - 2019-11-15

Added

  • SLIP-0021 support when loading an application on 1.6 firmware

[0.1.30] - 2019-09-25

Fixed

  • Delete socket on close for better serialization of DongleServer object

[0.1.29] - 2019-09-24

Added

  • Add support for more device statuses
  • Add apduMaxDataSize method to the commTCP DongleServer class
  • Update README with macOS installation instructions

Changed

  • More generic error messages

[0.1.28] - 2019-08-31

Fixed

  • Change sig type from bytearray to bytes to match secp256k1

[0.1.27] - 2019-07-15

Changed

  • Update updateFirmware to use distributeFirmware11_scan

[0.1.26] - 2019-07-08

Changed

  • U2F Python 3 compatibility
  • Working endorsementSetup on Python 3

[0.1.25] - 2019-06-08

Added

  • Add common backend support for genuine check & management

[0.1.24] - 2019-05-27

Added

  • Add TCP proxy support
  • Add Nano X to README

[0.1.23] - 2019-02-17

Changed

  • Improve Python 3 compatibility
  • Support additional Status Words

[0.1.22] - 2019-01-14

Changed

  • Accept the generic status 61xx
  • Standardize tab and space mix to 4 spaces for Python 3 compatibility

Fixed

  • Fix missing targetVersion and Python 2 incompatibility
  • Add a lib_dependency error message

[0.1.21] - 2018-10-14

Added

  • Add support of SCP4 version for application hash computation

Fixed

  • Python 3 fixes
  • Fix Python 3 invalid encoding in targetVersion

[0.1.20] - 2018-09-04

Added

  • Add Blue 2.1 target ID

Fixed

  • Fix genuine check for newer firmware versions
  • Fix Blue 2.1 compatibility for updateFirmware

[0.1.19] - 2018-07-13

Fixed

  • Fix ECPy dependency version
  • Fix SCP on Blue 2.1

[0.1.18] - 2018-06-29

Changed

  • Always generate canonical signature on sign
  • Replace pycrypto with pycryptodomex

Fixed

  • Python 3 compatibility additional fix

[0.1.17] - 2018-03-29

Added

  • New script getMemInfo and new hexloader method getMemInfo
  • New argument signPrivateKey in loadApp to decorrelate signature from SCP opening
  • Add runScript debug support
  • Nano S 1.4 support
  • Add .gitignore

Changed

  • Cleanup Python 3 support
  • Better interface filter, macOS portability

Fixed

  • Fix custom CA handling
  • Fix py2 compatibility for setupCustomCA
  • Friendlier errors for 0x6985, 0x6a84 and 0x6a85
  • Fix typo on getDeployedSecretV1

[0.1.16] - 2017-10-20

Fixed

  • Fix invalid exit condition
  • Python 3 fixes

[0.1.15] - 2017-08-01

Added

  • Added documentation
  • Fixed CSS override issue for docs

[0.1.14] - 2017-08-01

Added

  • Added documentation

[0.1.13] - 2017-03-07

Added

  • Add runApp.py for specific firmware

[0.1.12] - 2017-02-28

Added

  • Add scripts related to Nano S 1.3

[0.1.11] - 2017-01-30

Added

  • Additional Attestation / Endorsement related APIs
  • Merge HSM logic

[0.1.10] - 2017-01-25

Fixed

  • Fix derivePassphrase for Python 2

[0.1.9] - 2017-01-22

Added

  • Add endorsement APIs
  • Add public key tweak for endorsement validation
  • Compatibility with Blue firmware 2.0 (production release)

Changed

  • Speedup
  • Encode correctly the passphrase in UTF8 NFKD
  • Force to recompile secp256k1 for recent pip
  • Update libudev package
  • Update README

Fixed

  • Fix indent errors and print function for Python 3 builds

[0.1.8] - 2016-10-13

Added

  • Add passphrase derivation utility
  • Add genuine device check script
  • Support Secure Channel outgoing data
  • Add Pillow dependency

Changed

  • Python 3 port with keeping Python 2 compliance
  • Add received data in CommException object

[0.1.7] - 2016-09-02

Changed

  • Optional libsecp256k1 dependency, default to pure Python cryptographic API to help Windows users

Fixed

  • Fix timeout from 7 hours to expected 20 seconds

[0.1.6] - 2016-08-12

Fixed

  • Fix PyPI update

[0.1.5] - 2016-08-12

Added

  • Support locking on curve and multiple paths (API level 5)

[0.1.4] - 2016-07-28

Fixed

  • Fix copy/paste error
  • Mention Nano S in documentation

[0.1.3] - 2016-07-28

Added

  • Add application signature & validation scripts
  • Add standalone MCU load support
  • Add SCP support
  • Add locked down application path, icon, signature support
  • Add boot address support, hex printer
  • Nano S vendor ID support

[0.1.2] - 2016-05-20

Added

  • Support 1.1 deployed logic
  • Add experimental desktop BLE support

Fixed

  • Fix MCU firmware loading
  • Fix string/number concatenation in error messages

[0.1.1] - 2016-04-12

Added

  • Initial import