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README.md

Python tools for Ledger Blue and Nano S

This package contains Python tools to communicate with Ledger Blue and Nano S and manage applications life cycle

It is recommended to install this package in a Virtual Environment in your native environment (not a Docker image) to avoid hidapi issues.

virtualenv ledger
source ledger/bin/activate
pip install ledgerblue

Installation pre-requisites

libudev-dev
libusb-1.0-0-dev
python-dev (python 2.7)
virtualenv

This package can optionally work with libsecp256k1 Python bindings compiled with ECDH support. If you wish to enable libsecp256k1 bindings, make sure to install libsecp256k1 as follows

SECP_BUNDLED_EXPERIMENTAL=1 pip --no-cache-dir --no-binary secp256k1 install secp256k1

Giving permissions on udev

When running on Linux, make sure the following rules have been added to /etc/udev/rules.d/

SUBSYSTEMS=="usb", ATTRS{idVendor}=="2c97", ATTRS{idProduct}=="0000", MODE="0660", TAG+="uaccess", TAG+="udev-acl" OWNER="<UNIX username>"
SUBSYSTEMS=="usb", ATTRS{idVendor}=="2c97", ATTRS{idProduct}=="0001", MODE="0660", TAG+="uaccess", TAG+="udev-acl" OWNER="<UNIX username>"

Target ID

Use the following Target IDs (--targetId option) when running commands directly

0x31100002 on Nano S
0x31000002 on Blue