ed25519-to-x25519.wasm 

Library for converting Ed25519 signing key pair into X25519/Curve25519 key pair suitable for Diffie-Hellman key exchange.

Based on libsodium, compiles subset of libsodium to WebAssembly and provides 2 wrapper functions for public/private keys conversion.

How to install

``
npm install ed25519-to-x25519.wasm
`

How to use

Node.js:
`javascript
var ed25519_to_x25519 = require('ed25519-to-x25519.wasm')

ed25519_to_x25519.ready(function () {
// Do stuff
});
`
Browser:
`javascript
requirejs(['ed25519-to-x25519.wasm'], function (ed25519_to_x25519) {
ed25519_to_x25519.ready(function () {
// Do stuff
});
})
`

API

$3

* callback - Callback function that is called when WebAssembly is loaded and library is ready for use

$3

Converts Ed25519 public key into X25519/Curve25519 public key. Returns null if conversion fails.

$3

Converts Ed25519 private key into X25519/Curve25519 private key.

Take a look at src/index.ls for JsDoc sections with arguments and return types as well as methods description, look at tests/index.ls` for usage examples.

Contribution

Feel free to create issues and send pull requests (for big changes create an issue first and link it from the PR), they are highly appreciated!

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License

Free Public License 1.0.0 / Zero Clause BSD License

https://opensource.org/licenses/FPL-1.0.0

https://tldrlegal.com/license/bsd-0-clause-license