Initial commit

qortal-ui-crypto/api/kdf.js

@@ -0,0 +1,39 @@
+import { store } from '../api_deps.js'
+import { stateAwait } from './utils/stateAwait.js'
+import { Sha512 } from 'asmcrypto.js'
+import utils from '../api/deps/utils.js'
+
+export const kdf = async (seed, salt, status = () => { }) => {
+    const state = store.getState()
+    const config = state.config
+    const workers = state.app.workers.workers
+    status('Waiting for workers to be ready')
+    await stateAwait(state => state.app.workers.ready)
+    status('Deriving key parts')
+    salt = new Uint8Array(salt)
+    const seedParts = await Promise.all(workers.map((worker, index) => {
+        const nonce = index
+        return worker.request('kdf', {
+            key: seed,
+            salt,
+            nonce,
+            staticSalt: config.crypto.staticSalt,
+            staticBcryptSalt: config.crypto.staticBcryptSalt
+        }).then(data => {
+            let jsonData
+            try {
+                jsonData = JSON.parse(data)
+                data = jsonData
+            } catch (e) {
+                // ...
+            }
+            if (seed !== data.key) throw new Error('Error, incorrect key. ' + seed + ' !== ' + data.key)
+            if (nonce !== data.nonce) throw new Error('Error, incorrect nonce')
+            return data.result
+        })
+    }))
+    status('Combining key parts')
+    const result = new Sha512().process(utils.stringtoUTF8Array(config.crypto.staticSalt + seedParts.reduce((a, c) => a + c))).finish().result
+    status('Key is ready ')
+    return result
+}