ED25519 PeerId

// Forge crypto package for node (https://www.npmjs.com/package/node-forge)
var forge = require('node-forge');
var pki = forge.pki;
var rsa = forge.rsa;
var ed25519 = forge.pki.ed25519;

var pem2jwk = require('pem-jwk').pem2jwk
const jwk2pem = require('pem-jwk').jwk2pem

const pify = require('pify');
const IPFS = require('ipfs')
const CKC = require('crypto-key-composer')

	; (async () => {

		let start = Date.now()
		console.log(`Start ${start}`)

		var tld = "tld"
		var username = "username"
		let password, salt, iterations, keySize, hash;
		password = "password"
		salt = `${tld}${username}`
		iterations = 10000
		keySize = 32
		hash = 'sha2-256'
		var derivedKey = IPFS.crypto.pbkdf2(password, salt, iterations, keySize, hash)

		const bits = 256
		// seed is a 32 byte uint8array
		var buf = Buffer.from(derivedKey, 'utf8')
		var encoded = await IPFS.multihashing.digest(buf, 'sha2-256')		
		//var decoded = IPFS.multihash.decode(encoded).digest
		console.log(`IPFS Seed: \n${encoded.toString('base64')}\n`)

		var md = forge.sha256.create(); // md = message digest, aka hash
    md.update(derivedKey, "utf8");
    var seed = md.digest().getBytes();// seed is a 32 byte uint8array
		console.log(`Forge Seed: \n${Buffer.from(seed,'binary').toString('base64')} \n`)

		var ed25519PrivateKey = await IPFS.crypto.keys.generateKeyPairFromSeed('ed25519', seed, bits) // returns Ed25519PrivateKey
		var b64pk = Buffer.from(ed25519PrivateKey.bytes).toString('base64')
		console.log('Ed25519PrivateKey: \n'+b64pk);

		// Try to put it in PEM format
		const myPrivatePemKey = CKC.composePrivateKey({
				format: 'pkcs8-pem',
				keyAlgorithm: 'ed25519',
				keyData: {
						seed: encoded
				}
		});
		console.log(`pem Ed25519PrivateKey: \n${myPrivatePemKey} \n`)

		//var myPrivateb64Key = await IPFS.crypto.keys.import(myPrivatePemKey) // cant, isnt RSA
		
		IPFS.PeerId.createFromPrivKey( Buffer.from(b64pk,'base64') ).then(id => { console.log(`\n1.PeerId from password/seed: \n${id.toB58String()} \n `) });
		IPFS.PeerId.createFromPrivKey(ed25519PrivateKey.bytes).then(id => { console.log(`\n2.PeerId from password/seed: \n${id.toB58String()}  \n `) });

		console.log(`End ${Date.now()-start} ms`);

	})();