Web Assembly

This repository contains WASM (Web Assembly) for the Falcon Post Quantum Cryptography scheme. The web assembly is generated from Falcon Repository.

Prerequisites

Falcon C Code

Ensure you have cloned https://github.com/DogeProtocol/Falcon and have a buildable version with no compilation errors.

Emscripten SDK

Ensure that you have installed the Emscriten SDK, following instructions at https://emscripten.org/docs/getting_started/downloads.html.

Building

1. Set the Emscripten environment variable if not already set. For example:

emsdk_env.bat

2. Run the following command. Replace paths accordingly to where they are located in your computer.

emcc -s WASM=1 -s EXPORTED_FUNCTIONS="['_free', '_malloc']"  -s "EXPORTED_RUNTIME_METHODS=['getValue']" c:/WebAssembly/Falcon/webp.c c:/Falcon/Reference_Implementation/falcon512/falcon512int/codec.c c:/Falcon/Reference_Implementation/falcon512/falcon512int/common.c c:/Falcon/Reference_Implementation/falcon512/falcon512int/fft.c c:/Falcon/Reference_Implementation/falcon512/falcon512int/fpr.c c:/Falcon/Reference_Implementation/falcon512/falcon512int/keygen.c c:/Falcon/Reference_Implementation/falcon512/falcon512int/nist.c c:/Falcon/Reference_Implementation/falcon512/falcon512int/rng.c c:/Falcon/Reference_Implementation/falcon512/falcon512int/shake.c c:/Falcon/Reference_Implementation/falcon512/falcon512int/sign.c c:/Falcon/Reference_Implementation/falcon512/falcon512int/vrfy.c -o c:/WebAssembly/Falcon/falcon.html

Contributing

Thank you for considering to help out with the source code!

• Please reach out in our Discord Server for any questions.
• Pull requests need to be based on and opened against the main branch.

License

This Falcon implementation is provided under the MIT license, whose text is included at the start of every source file.