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refactor: Generate keys using crypto.

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This commit is contained in:
Hayden Young 2023-02-28 03:34:55 +00:00
parent 8b16332bd6
commit 0c5c44e429
2 changed files with 4 additions and 34 deletions
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17
src/key-store.js
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@ -3,10 +3,7 @@ import secp256k1 from 'secp256k1'
import { Buffer } from 'safe-buffer'
import LevelStorage from './storage/level.js'
import LRUStorage from './storage/lru.js'
import pkg from 'elliptic'
const { ec: EC } = pkg
const ec = new EC('secp256k1')
const unmarshal = crypto.keys.supportedKeys.secp256k1.unmarshalSecp256k1PrivateKey
const verifySignature = async (signature, publicKey, data) => {
@ -135,18 +132,11 @@ const KeyStore = async ({ storage, cache } = {}) => {
// }
// Generate a private key
const privKey = ec.genKeyPair({ entropy }).getPrivate().toArrayLike(Buffer)
// Left pad the key to 32 bytes. The module used in libp2p crypto (noble-secp256k1)
// verifies the length and will throw an error if key is not 32 bytes.
// For more details on why the generated key is not always 32 bytes, see:
// https://stackoverflow.com/questions/62938091/why-are-secp256k1-privatekeys-not-always-32-bytes-in-nodejs
const buf = Buffer.alloc(32)
// Copy the private key buffer to the padded buffer
privKey.copy(buf, buf.length - privKey.length)
const keys = await unmarshal(buf)
const pair = await crypto.keys.generateKeyPair('secp256k1')
const keys = await crypto.keys.unmarshalPrivateKey(pair.bytes)
const pubKey = keys.public.marshal()
const decompressedKey = secp256k1.publicKeyConvert(Buffer.from(pubKey), false)
const key = {
publicKey: Buffer.from(decompressedKey).toString('hex'),
privateKey: Buffer.from(keys.marshal()).toString('hex')
@ -157,6 +147,7 @@ const KeyStore = async ({ storage, cache } = {}) => {
} catch (e) {
console.log(e)
}
cache.put(id, key)
return keys

21
test/key-store.test.js
View File

@ -35,27 +35,6 @@ Object.keys(testAPIs).forEach((IPFS) => {
strictEqual(hasKey, true)
})
it('creates a new key using provided entropy', async () => {
const id = 'key1'
await keystore.createKey(id, {
entropy: 'jANfduGRj4HU9Pk6nJzujANfduGRj4HU9Pk6nJzu'
})
const hasKey = await keystore.hasKey(id)
strictEqual(hasKey, true)
// Deterministic public key
const keyContent = await keystore.getKey(id)
const publicKey = keyContent._publicKey
strictEqual(
Buffer.from(publicKey).toString('hex'),
'0328401cd1b561040b87cd66563be722ba429b42d6abfeca9cb4c34e9845c86d2e'
)
})
it('throws an error when creating a key without an id', async () => {
let err