diff --git a/ipmbutils.hpp b/ipmbutils.hpp
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+/* Copyright 2018 Intel
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef IPMBUTILS_HPP
+#define IPMBUTILS_HPP
+
+/**
+ * @brief function performing IPMB header and data checksum validation
+ */
+bool isFrameValid(IPMB_HEADER *frame, uint8_t length);
+
+/**
+ * @brief function computing IPMB layer checksum
+ */
+uint8_t ipmbChecksumCompute(uint8_t *data, uint8_t length);
+
+#endif