@stablelib/hkdf

What is @stablelib/hkdf?

@stablelib/hkdf is a JavaScript implementation of the HMAC-based Extract-and-Expand Key Derivation Function (HKDF) as defined in RFC 5869. It is part of the StableLib collection of cryptographic libraries and is used to derive keys from a source key material in a secure manner.

What are @stablelib/hkdf's main functionalities?

Key Derivation

This feature allows you to derive a key from input key material using the HKDF algorithm. The code sample demonstrates how to use the HKDF class with SHA-256 as the hash function to derive a 32-byte key.

const { HKDF } = require('@stablelib/hkdf');
const { SHA256 } = require('@stablelib/sha256');
const inputKeyMaterial = new Uint8Array([0x00, 0x01, 0x02, 0x03]);
const salt = new Uint8Array([0x04, 0x05, 0x06, 0x07]);
const info = new Uint8Array([0x08, 0x09, 0x0A, 0x0B]);
const hkdf = new HKDF(SHA256, inputKeyMaterial, salt, info);
const derivedKey = hkdf.expand(32); // Derive a 32-byte key
console.log(derivedKey);

Other packages similar to @stablelib/hkdf

futoin-hkdf

futoin-hkdf is another implementation of the HKDF algorithm in JavaScript. It provides similar functionality for key derivation but may have different performance characteristics and API design compared to @stablelib/hkdf.

crypto

The built-in 'crypto' module in Node.js also provides an implementation of HKDF starting from Node.js v15.0.0. It offers native performance and is part of the standard library, making it a convenient choice for Node.js applications.

README

The README file is missing