diff --git a/vpdecc/vpdecc.h b/vpdecc/vpdecc.h
new file mode 100644
index 0000000..6e7605f
--- /dev/null
+++ b/vpdecc/vpdecc.h
@@ -0,0 +1,87 @@
+/******************************************************************************
+ *
+ * IBM Confidential
+ *
+ * Licensed Internal Code Source Materials
+ *
+ * IBM Flexible Support Processor Licensed Internal Code
+ *
+ * (c) Copyright IBM Corp. 2004
+ *
+ * The source code is for this program is not published or otherwise divested
+ * of its trade secrets, irrespective of what has been deposited with the
+ * U.S. Copyright Office.
+ *
+ *****************************************************************************/
+
+#ifndef _VPDECC_H_
+#define _VPDECC_H_
+
+#include <stdlib.h>
+
+#define VPD_ECC_OK 0
+#define VPD_ECC_NOT_ENOUGH_BUFFER 1
+#define VPD_ECC_WRONG_ECC_SIZE 2
+#define VPD_ECC_WRONG_BUFFER_SIZE 9
+#define VPD_ECC_UNCORRECTABLE_DATA 90
+#define VPD_ECC_CORRECTABLE_DATA 91
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* TODO  doxygen !!!!!!!! */
+
+/******************************************************************************/
+/* vpdecc_create_ecc                                                          */
+/*                                                                            */
+/* For a given data block (together with the length of the data block         */
+/* this function creates the ECC                                              */
+/*                                                                            */
+/* @param     pData           In-Buffer containing the raw VPD data           */
+/*                                            (wont't be changed)             */
+/*                                                                            */
+/* @param     vDataLength     In        should contain the length of the Data */
+/*                                      in the buffer given to vData          */
+/*                                                                            */
+/* @param     pEcc            Out-Buffer after execution this will be the     */
+/*                                      buffer for the calculated Ecc         */
+/*                                                                            */
+/* @param     pEccLenght      In/Out    In : size of buffer                   */
+/*                                      Out: contains the length of the Ecc   */
+/*                                                                            */
+/* @return Error returncode                                                   */
+/******************************************************************************/
+int vpdecc_create_ecc(const unsigned char* data, size_t datalength,
+                      unsigned char* ecc, size_t* ecc_buffersize);
+
+/******************************************************************************/
+/* vpdecc_check_data                                                          */
+/*                                                                            */
+/* For a given data block (together with the ecc)                             */
+/* this function checks the data for validness                                */
+/*                                                                            */
+/* @param     pData           In-Buffer containing the raw VPD data           */
+/*                            Out-Buffer containing the raw VPD data          */
+/*                                      No error           : data unchanged   */
+/*                                      Correctable error  : data corrected   */
+/*                                      Uncorrectable error: data unchanged   */
+/*                                                                            */
+/* @param     vDataLength     In        should contain the length of the Data */
+/*                                      in the buffer given to vData          */
+/*                                                                            */
+/* @param     pEcc            In-Buffer should contain the Ecc for the data   */
+/*                                                                            */
+/*                                                                            */
+/* @param     vEccLenght      In        should contain the length of the Ecc  */
+/*                                                                            */
+/* @return Error returncode                                                   */
+/******************************************************************************/
+int vpdecc_check_data(unsigned char* data, size_t data_length,
+                      const unsigned char* ecc, size_t ecc_length);
+
+#ifdef __cplusplus
+} /* end extern "C" */
+#endif
+
+#endif /* endif _VPDECC_H_ */