@@ -0,0 +1,12 @@
+package builder
+
+import (
+	"crypto/sha256"
+	"encoding/base64"
+)
+
+func hash(s string) string {
+	shasum := sha256.New()
+	shasum.Write([]byte(s))
+	return "sha256-" + base64.StdEncoding.EncodeToString(shasum.Sum(nil))
+}