From f3910624b8314145a8cb026e55112a93d672fc3f Mon Sep 17 00:00:00 2001
From: Gibheer <gibheer+git@zero-knowledge.org>
Date: Thu, 19 Apr 2018 08:33:11 +0200
Subject: add more error checks

There are still some cases where the input is not correctly checked, but
it is moving forward.
---
 pem.go | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'pem.go')

diff --git a/pem.go b/pem.go
index bbe2a47..2fdf3cc 100644
--- a/pem.go
+++ b/pem.go
@@ -35,6 +35,9 @@ func parseFile(file io.Reader) (pemMap, error) {
 	if err != nil {
 		return nil, err
 	}
+	if len(raw) == 0 {
+		return nil, fmt.Errorf("file is empty")
+	}
 	return parsePem(raw)
 }
 
-- 
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