add wrapper for simple MD5 hash

2 files changed, 30 insertions, 0 deletions

diff --git a/client/go/util/md5.go b/client/go/util/md5.go
new file mode 100644
index 00000000000..84c7d5d5e1d
--- /dev/null
+++ b/client/go/util/md5.go
@@ -0,0 +1,17 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+// Author: arnej
+
+package util
+
+import (
+	"crypto/md5"
+	"fmt"
+	"io"
+)
+
+func Md5Hex(text string) string {
+	hasher := md5.New()
+	io.WriteString(hasher, text)
+	hash := hasher.Sum(nil)
+	return fmt.Sprintf("%x", hash)
+}
diff --git a/client/go/util/md5_test.go b/client/go/util/md5_test.go
new file mode 100644
index 00000000000..6c9302e18cf
--- /dev/null
+++ b/client/go/util/md5_test.go
@@ -0,0 +1,13 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package util
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestMD5SimpleInputs(t *testing.T) {
+	assert.Equal(t, "d41d8cd98f00b204e9800998ecf8427e", Md5Hex(""))
+	assert.Equal(t, "4044e8209f286312a68bbb54f8714922", Md5Hex("admin/cluster-controllers/0\n"))
+}