From 4a0eb2ac6eb554cb0833e84a7b51660ddb8c8908 Mon Sep 17 00:00:00 2001
From: Tariq Ibrahim <tariq181290@gmail.com>
Date: Fri, 3 May 2019 14:23:09 -0700
Subject: [PATCH] add errcheck for Digest method in sign.go
Signed-off-by: Tariq Ibrahim <tariq181290@gmail.com>
---
pkg/provenance/sign.go | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/pkg/provenance/sign.go b/pkg/provenance/sign.go
index 5e23c2dda..5a7626424 100644
--- a/pkg/provenance/sign.go
+++ b/pkg/provenance/sign.go
@@ -404,6 +404,8 @@ func DigestFile(filename string) (string, error) {
// Helm uses SHA256 as its default hash for all non-cryptographic applications.
func Digest(in io.Reader) (string, error) {
hash := crypto.SHA256.New()
- io.Copy(hash, in)
+ if _, err := io.Copy(hash, in); err != nil {
+ return "", nil
+ }
return hex.EncodeToString(hash.Sum(nil)), nil
}
--
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