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+//**********************************************************************;
+// Copyright (c) 2017, Intel Corporation
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice,
+// this list of conditions and the following disclaimer in the documentation
+// and/or other materials provided with the distribution.
+//
+// 3. Neither the name of Intel Corporation nor the names of its contributors
+// may be used to endorse or promote products derived from this software without
+// specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+// THE POSSIBILITY OF SUCH DAMAGE.
+//**********************************************************************;
+#ifndef LIB_TPM2_ATTR_UTIL_H_
+#define LIB_TPM2_ATTR_UTIL_H_
+
+#include <stdbool.h>
+
+#include <sapi/tpm20.h>
+
+/**
+ * Converts a list of | (pipe) separated attributes as defined in tavle 204
+ * of https://trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-2-Structures-01.38.pdf
+ * to an actual bit field representation. The trailing TPMA_NV_ can be omitted and must be lower-case.
+ * For exmaple, TPMA_NV_PPWRITE, bcomes ppwrite. To append them together, just do the pipe inbetwwen.
+ * ppwrite|ownerwrite.
+ *
+ * @param attribute_list
+ *  The attribute string to parse, which may be modified in place.
+ * @param nvattrs
+ *  The TPMA_NV attributes set based on the attribute list. Only valid on true returns.
+ * @return
+ *  true on success, false on error.
+ */
+bool tpm2_attr_util_nv_strtoattr(char *attribute_list, TPMA_NV *nvattrs);
+
+/**
+ * Like tpm2_attr_util_nv_strtoattr() but converts TPMA_OBJECT attributes as defined in:
+ * Table 31 of https://trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-2-Structures-01.38.pdf
+ * @param attribute_list
+ *   The attribute string to parse, which may be modified in place.
+ *  The TPMA_OBJECT attributes set based on the attribute list. Only valid on true returns.
+ * @return
+ *  true on success, false on error.
+ */
+bool tpm2_attr_util_obj_strtoattr(char *attribute_list, TPMA_OBJECT *objattrs);
+
+/**
+ * Converts a numerical or friendly string described object attribute into the
+ * TPMA_OBJECT. Similar to tpm2_alg_util_from_optarg().
+ * @param argvalue
+ *  Either a raw numeric for a UINT32 or a friendly name object attribute list
+ *  as in tpm2_attr_util_nv_strtoattr().
+ * @param objattrs
+ *  The converted bits for a TPMA_OBJECT
+ * @return
+ *  true on success or false on error.
+ */
+bool tpm2_attr_util_obj_from_optarg(char *argvalue, TPMA_OBJECT *objattrs);
+
+/**
+ * Converts a TPMA_NV structure to a friendly name style string.
+ * @param nvattrs
+ *  The nvattrs to convert to nice name.
+ * @return A string allocated with calloc(), callers shall use
+ * free() to free it. The string is a null terminated text representation
+ * of the TPMA_NV attributes.
+ */
+char *tpm2_attr_util_nv_attrtostr(TPMA_NV nvattrs);
+
+/**
+ * Like tpm2_nv_util_obj_strtoattr() but converts TPMA_OBJECT attributes as defined in:
+ * Table 31 of https://trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-2-Structures-01.38.pdf
+ * @param objattrs
+ *  The object parameters to convert to a name
+ * @return
+ *  The name of the object attrs as a string that must be freed via free().
+ */
+char *tpm2_attr_util_obj_attrtostr(TPMA_OBJECT objattrs);
+
+#endif /* LIB_TPM2_ATTR_UTIL_H_ */