diff --git a/components/password-prompt.js b/components/password-prompt.js
index 4453af6..5ecc5cb 100644
--- a/components/password-prompt.js
+++ b/components/password-prompt.js
@@ -26,9 +26,11 @@ export default class PasswordPrompt extends Component {
       async msg => {
         msg = JSON.parse(msg)
         if (msg.type === 'sha512') {
-          const key = new Int8Array(64)
-          for (let i = 0; i < msg.message.length; i++) {
-            key[i] = msg.message.charCodeAt(i)
+          const hash = msg.message
+          const key = new Uint8Array(64)
+          for (let i = 0; i < key.length; i++) {
+            const twoDigitHex = hash.slice(i * 2, i * 2 + 2)
+            key[i] = parseInt(twoDigitHex, 16)
           }
           try {
             await openDbConnection(key)
diff --git a/nodejs-assets/nodejs-project/main.js b/nodejs-assets/nodejs-project/main.js
index f986f42..20227c7 100644
--- a/nodejs-assets/nodejs-project/main.js
+++ b/nodejs-assets/nodejs-project/main.js
@@ -6,10 +6,9 @@ const crypto = require('crypto')
 rnBridge.channel.on('message', (msg) => {
   msg = JSON.parse(msg)
   if (msg.type === 'request-SHA512') {
-    const hash = crypto.createHash('sha256')
+    const hash = crypto.createHash('sha512')
     hash.update(msg.message)
     const result = hash.digest('hex')
-    console.log(result)
     rnBridge.channel.send(JSON.stringify({
       type: 'sha512',
       message: result