https://github.com/paragonie/poly1305-js

JavaScript implementation of the Poly1305 one-time authenticator
https://github.com/paragonie/poly1305-js

Last synced: 3 months ago
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JavaScript implementation of the Poly1305 one-time authenticator

• Host: GitHub
• URL: https://github.com/paragonie/poly1305-js
• Owner: paragonie
• Created: 2019-05-04T15:00:00.000Z (about 7 years ago)
• Default Branch: master
• Last Pushed: 2025-02-18T02:41:38.000Z (over 1 year ago)
• Last Synced: 2025-10-04T03:41:21.246Z (8 months ago)
• Language: JavaScript
• Size: 186 KB
• Stars: 5
• Watchers: 4
• Forks: 0
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

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README

          
# Poly1305 (JavaScript)

[![Build Status](https://github.com/paragonie/poly1305-js/actions/workflows/ci.yml/badge.svg)](https://github.com/paragonie/poly1305-js/actions)

[![npm version](https://img.shields.io/npm/v/poly1305-js.svg)](https://npm.im/poly1305-js)

This is a pure JavaScript implementation of Poly1305.

## Installing this Library

```

npm install poly1305-js

```

## Using this Library

Usage is straightforward.

```javascript

const Poly1305 = require('poly1305-js');

(async function() {

    let message = Buffer.from("test message");

    let key = Buffer.from('808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f', 'hex');

    

    let tag = await Poly1305.onetimeauth(message, key);

    if (await Poly1305.onetimeauth_verify(message, key, tag)) {

        console.log('success');

    }

    // Streaming API

    let auth = new Poly1305(key);

    await auth.update(message);

    await auth.update(Buffer.from('some additional data'));

    tag = await auth.finish();

    console.log(tag);

})();

```