crypto: Make Decipher._flush() emit errors.

When Decipher processes a stream using an incorrect key, the
DecipherFinal() method throws an unhandled exception at the end of the
stream.

1 files changed, 6 insertions, 1 deletions

diff --git a/lib/crypto.js b/lib/crypto.js
index 0cc70ff15..22141ff8a 100644
--- a/lib/crypto.js
+++ b/lib/crypto.js
@@ -263,7 +263,12 @@ Cipher.prototype._transform = function(chunk, encoding, callback) {
 };
 
 Cipher.prototype._flush = function(callback) {
-  this.push(this._binding.final());
+  try {
+    this.push(this._binding.final());
+  } catch (e) {
+    callback(e);
+    return;
+  }
   callback();
 };