Merge pull request #13 from gmihaly-lmi/master

Fix for secrets where we have odd number of hex digits. For example Amazon.com totp secrets.
jiangts · Feb 8, 2021 · 2d7ea54 · 2d7ea54
2 parents 8cfc5df + 2ef9c7d
commit 2d7ea54
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/coffee/jsOTP.coffee b/coffee/jsOTP.coffee
@@ -22,8 +22,9 @@ class Totp
       bits += @leftpad(val.toString(2), 5, "0")
       i++
 
+    checklength = bits.length - bits.length % 8
     i = 0
-    while i + 4 <= bits.length
+    while i + 4 <= checklength
       chunk = bits.substr(i, 4)
       hex = hex + parseInt(chunk, 2).toString(16)
       i += 4