Second Import

utils/utils.go

@@ -0,0 +1,20 @@
+// Copyright 2014 Claudemiro Alves Feitosa Neto. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package utils
+
+import (
+	"crypto/hmac"
+	"crypto/sha256"
+	"encoding/hex"
+)
+
+// HashMAC Calculates the MAC signing with the given key and returns the hexadecimal encoded Result
+func HashMAC(message, key []byte) string {
+	mac := hmac.New(sha256.New, key)
+	mac.Write(message)
+	expected := mac.Sum(nil)
+
+	return hex.EncodeToString(expected)
+}