From a8e45019e43df54d97e700e0edf896292966500b Mon Sep 17 00:00:00 2001
From: azivner <adam.zivner@gmail.com>
Date: Sat, 30 Dec 2017 20:14:05 -0500
Subject: [PATCH] failing early when decryption fails

---
 services/data_encryption.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/services/data_encryption.js b/services/data_encryption.js
index 31ebf9044..4de137972 100644
--- a/services/data_encryption.js
+++ b/services/data_encryption.js
@@ -1,6 +1,7 @@
 "use strict";
 
 const crypto = require('crypto');
+const log = require('./log');
 
 function arraysIdentical(a, b) {
     let i = a.length;
@@ -72,7 +73,15 @@ function decrypt(key, iv, cipherText) {
 function decryptString(dataKey, iv, cipherText) {
     const buffer = decrypt(dataKey, iv, cipherText);
 
-    return buffer.toString('utf-8');
+    const str = buffer.toString('utf-8');
+
+    if (str === 'false') {
+        log.error("Could not decrypt string. Buffer: " + buffer);
+
+        throw new Error("Could not decrypt string.");
+    }
+
+    return str;
 }
 
 function noteTitleIv(iv) {