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+/*############################################################################
+  # Copyright 2016-2017 Intel Corporation
+  #
+  # 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.
+  ############################################################################*/
+
+/*!
+ * \file
+ * \brief Signature verification interface.
+ */
+#ifndef EXAMPLE_VERIFYSIG_SRC_VERIFYSIG_H_
+#define EXAMPLE_VERIFYSIG_SRC_VERIFYSIG_H_
+
+#include <stddef.h>
+#include "epid/common/errors.h"
+#include "epid/common/stdtypes.h"
+#include "epid/common/types.h"
+
+struct EpidCaCertificate;
+
+/// Check if opaque data blob containing CA certificate is authorized
+bool IsCaCertAuthorizedByRootCa(void const* data, size_t size);
+
+/// verify Intel(R) EPID 2.x signature
+EpidStatus Verify(EpidSignature const* sig, size_t sig_len, void const* msg,
+                  size_t msg_len, void const* basename, size_t basename_len,
+                  void const* signed_priv_rl, size_t signed_priv_rl_size,
+                  void const* signed_sig_rl, size_t signed_sig_rl_size,
+                  void const* signed_grp_rl, size_t signed_grp_rl_size,
+                  VerifierRl const* ver_rl, size_t ver_rl_size,
+                  void const* signed_pub_key, size_t signed_pub_key_size,
+                  struct EpidCaCertificate const* cacert, HashAlg hash_alg,
+                  void** verifier_precomp, size_t* verifier_precomp_size);
+
+#endif  // EXAMPLE_VERIFYSIG_SRC_VERIFYSIG_H_