1 files changed, 9 insertions, 0 deletions
diff --git a/internal/prefer_openssl/prefer_go1.5.go b/internal/prefer_openssl/prefer_go1.5.go
new file mode 100644
index 0000000..4b681e7
--- /dev/null
+++ b/internal/prefer_openssl/prefer_go1.5.go
@@ -0,0 +1,9 @@
+// +build !go1.6
+// = go 1.5 or lower
+
+package prefer_openssl
+
+func PreferOpenSSL() bool {
+	// OpenSSL is always faster than Go GCM on old Go versions.
+	return true
+}