adding sealing key support to mobile

app/mobile/ios/Podfile.lock

@@ -669,7 +669,7 @@ SPEC CHECKSUMS:
   FirebaseInstallations: 99d24bac0243cf8b0e96cf5426340d211f0bcc80
   FirebaseMessaging: 4487bbff9b9b927ba1dd3ea40d1ceb58e4ee3cb5
   fmt: ff9d55029c625d3757ed641535fd4a75fedc7ce9
-  glog: 04b94705f318337d7ead9e6d17c019bd9b1f6b1b
+  glog: 3d02b25ca00c2d456734d0bcff864cbc62f6ae1a
   GoogleDataTransport: 1c8145da7117bd68bbbed00cf304edb6a24de00f
   GoogleUtilities: 1d20a6ad97ef46f67bbdec158ce00563a671ebb7
   nanopb: b552cce312b6c8484180ef47159bc0f65a1f0431

app/mobile/package.json

@@ -18,11 +18,13 @@
     "@react-navigation/stack": "^6.3.0",
     "@stream-io/flat-list-mvcp": "^0.10.2",
     "axios": "^1.1.0",
+    "crypto-js": "^3.3.0",
     "expo": "~46.0.9",
     "expo-av": "^12.0.4",
     "expo-keep-awake": "~10.2.0",
     "expo-splash-screen": "~0.16.2",
     "expo-status-bar": "~1.4.0",
+    "jsencrypt": "^3.3.1",
     "moment": "^2.29.4",
     "react": "18.0.0",
     "react-dom": "18.0.0",

app/mobile/src/session/profile/profileBody/ProfileBody.jsx

@@ -143,6 +143,9 @@ export function ProfileBody({ navigation }) {
         </TouchableOpacity>
         <Switch style={styles.visibleSwitch} value={state.pushEnabled} onValueChange={setNotifications} trackColor={styles.switch}/>
       </View>
+      <TouchableOpacity style={styles.link} onPress={actions.sealTest}>
+        <Text style={styles.linkText}>Test Seal</Text>
+      </TouchableOpacity>
       <TouchableOpacity style={styles.link} onPress={actions.showLoginEdit}>
         <Text style={styles.linkText}>Change Login</Text>
       </TouchableOpacity>

app/mobile/src/session/profile/profileBody/useProfileBody.hook.js

@@ -5,6 +5,8 @@ import { ProfileContext } from 'context/ProfileContext';
 import { AccountContext } from 'context/AccountContext';
 import { AppContext } from 'context/AppContext';
 import config from 'constants/Config';
+import { JSEncrypt } from 'jsencrypt'
+import CryptoJS from "crypto-js";
 
 export function useProfileBody() {
 
@@ -73,7 +75,53 @@ export function useProfileBody() {
     updateState({ disconnected });
   }, [app]);
 
+  const convertPem = (pem) => {
+    var lines = pem.split('\n');
+    var encoded = '';
+    for(var i = 0;i < lines.length;i++){
+      if (lines[i].trim().length > 0 &&
+          lines[i].indexOf('-BEGIN RSA PRIVATE KEY-') < 0 &&
+          lines[i].indexOf('-BEGIN RSA PUBLIC KEY-') < 0 &&
+          lines[i].indexOf('-BEGIN PUBLIC KEY-') < 0 &&
+          lines[i].indexOf('-END PUBLIC KEY-') < 0 &&
+          lines[i].indexOf('-END RSA PRIVATE KEY-') < 0 &&
+          lines[i].indexOf('-END RSA PUBLIC KEY-') < 0) {
+        encoded += lines[i].trim();
+      }
+    }
+    return encoded
+  };
+
   const actions = {
+    sealTest: async () => {
+      console.log("SEAL TEST");
+
+      // generate key to encrypt private key
+      const salt = CryptoJS.lib.WordArray.random(128 / 8);
+      const aes = CryptoJS.PBKDF2('testpassword', salt, {
+        keySize: 256 / 32,
+        iterations: 1024,
+      });
+
+      // generate rsa key for sealing channel, delay for activity indicator
+      await new Promise(r => setTimeout(r, 1000));
+      const crypto = new JSEncrypt({ default_key_size: 2048 });
+      const key = crypto.getKey();
+
+      // encrypt private key
+      const iv = CryptoJS.lib.WordArray.random(128 / 8);
+      const privateKey = convertPem(crypto.getPrivateKey());
+      const enc = CryptoJS.AES.encrypt(privateKey, aes, { iv: iv });
+
+      const seal = {
+        passwordSalt: salt.toString(),
+        privateKeyIv: iv.toString(),
+        privateKeyEncrypted: enc.ciphertext.toString(CryptoJS.enc.Base64),
+        publicKey: convertPem(crypto.getPublicKey()),
+      }
+      console.log("SEAL:", seal);
+
+    },
     logout: () => {
       app.actions.logout();
       navigate('/');