1 files changed, 21 insertions, 0 deletions
diff --git a/security/nss/gtests/common/util.h b/security/nss/gtests/common/util.h
new file mode 100644
index 0000000000..ccab5604e1
--- /dev/null
+++ b/security/nss/gtests/common/util.h
@@ -0,0 +1,21 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef util_h__
+#define util_h__
+
+#include <cassert>
+#include <vector>
+
+std::vector<uint8_t> hex_string_to_bytes(std::string s) {
+  std::vector<uint8_t> bytes;
+  for (size_t i = 0; i < s.length(); i += 2) {
+    bytes.push_back(std::stoul(s.substr(i, 2), nullptr, 16));
+  }
+  return bytes;
+}
+
+#endif  // util_h__