From 7be0ab9cc8cb66aff5e2d792b86cdc8f9676ac2b Mon Sep 17 00:00:00 2001
From: Ryan Seys <ryan@ryanseys.com>
Date: Wed, 14 Jan 2015 10:36:47 -0500
Subject: [PATCH] Detect PEM error as sign error

---
 lib/common/util.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/common/util.js b/lib/common/util.js
index 24c0781b749..b2bcf41c949 100644
--- a/lib/common/util.js
+++ b/lib/common/util.js
@@ -383,7 +383,12 @@ function makeAuthorizedRequest(config) {
           return;
         }
 
-        if (err.message === 'SignFinal error') {
+        // For detecting Sign errors on io.js (1.x) (or node 0.11.x)
+        // E.g. errors in form: error:code:PEM routines:PEM_read_bio:error_name
+        var pemError = err.message &&
+            err.message.indexOf('error:') !== -1;
+
+        if (err.message === 'SignFinal error' || pemError) {
           err.message = [
             'Your private key is in an unexpected format and cannot be used.',
             'Please try again with another private key.'