entropyxyz/x25519-chacha20poly1305

x25519 key exchange and chacha20poly1305 encryption, with WASM bindings.

x25519-chacha20poly1305

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WARNING: This code has not been audited and is not yet suitable for production. Use at your own risk.

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NOTE: make sure you have your C archiver and compiler env vars set, or secp256k1-sys will fail to build

e.g. AR=/opt/homebrew/opt/llvm/bin/llvm-ar CC=/opt/homebrew/opt/llvm/bin/clang

Nodejs package for x25519 key exchange and chacha20poly1305 encryption, written in Rust compiled to WASM.

Development process

Install dependencies

See example/ci-test.sh for example of how to install both rust and javascript dependencies.

Compile

Compile a nodejs/wasm library from the Rust source.

make

Link

Link the nodejs/wasm library locally.

make link

Test

After compiling and linking, run:

ts-node example/test.ts

NPM

links to packages on npm:

• x25519
• x25519-chacha20poly1305-nodejs
• x25519-chacha20poly1305-web
• x25519-chacha20poly1305-bundler

Publishing instructions

• Bump version in Cargo.toml
• Rebuild for eg: NodeJs with make build-nodejs
• Manually change the package name in ./pkg/package.json for the desired platform -nodejs and add the @entropyxyz org name, eg:

  "name": "@entropyxyz/x25519-chacha20poly1305-nodejs"

• publish with npm publish
• Rebuild for web and bundler with eg: make build-web and then change the package names again in package.json before re-publishing.