Generate secp256k1 keypair CLI
Project description
gen-secp
gen-secp is a lightweight Python CLI and website for generating secp256k1 keypairs. It quickly prints fresh keys for local development, can emit detailed output, and offers a static WebAssembly-powered demo so you can generate keys directly in your browser.
- Web demo: https://gen-secp.github.io
- Source: https://github.com/tonidy/gen-secp
Getting Started
These instructions will get you a copy of the project up and running on your local machine for development and testing purposes.
Requirements:
Installation
- Clone the repository:
git clone https://github.com/tonidy/gen-secp.git
cd gen-secp
- Install the packages:
uv sync
If you want to enable the optional coincurve-backed CLI mode (for PEM export), install the extra:
uv sync --extra coincurve
- Install as a tool (optional):
This makes genkey available globally:
uv tool install .
Now you can run genkey directly without uv run:
genkey
To update after pulling new changes:
uv tool update
Usage
The project provides a CLI entry. Example commands:
uv run genkey
Runs the command to generate a new key or secure artifact and prints or saves the result depending on configuration.
uv run genkey --long
Prints the private key plus compressed and uncompressed public keys.
uv run genkey --save mykey
Writes mykey.priv.hex (private key hex string) and mykey.pub.txt with both public key encodings in the current directory.
Run uv run genkey -h for the full list of options.
uv run genkey --coincurve --save mykey
Uses the original coincurve implementation (requires the extra above) and writes SEC1 PEM files (mykey.pem, mykey.pub.pem).
Browser demo
The static site under docs/ is deployed to GitHub Pages. It bundles the same Python implementation (executed through Pyodide WebAssembly) to generate keypairs client-side. Open https://tonidy.github.io/gen-secp and click “Generate Keypair”.
Troubleshooting
- If you see "python: command not found", ensure Python is installed and on your PATH.
- If dependencies fail to install, try
uv syncagain.
License
MIT
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