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+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * 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 parc_InMemoryVerifier.h
+ * @ingroup security
+ * @brief In memory verifier
+ *
+ */
+#ifndef libparc_parc_InMemoryVerifier_h
+#define libparc_parc_InMemoryVerifier_h
+
+#include <parc/security/parc_Verifier.h>
+
+struct parc_inmemory_verifier;
+typedef struct parc_inmemory_verifier PARCInMemoryVerifier;
+
+/**
+ * Create an empty verifier.   It's destroyed via the PARCVerifierInterface->Destroy call.
+ *
+ * Example:
+ * @code
+ * <#example#>
+ * @endcode
+ */
+PARCInMemoryVerifier *parcInMemoryVerifier_Create(void);
+
+/**
+ * Increase the number of references to the given `PARCInMemoryVerifier` instance.
+ *
+ * A new instance is not created,
+ * only that the given instance's reference count is incremented.
+ * Discard the acquired reference by invoking `parcInMemoryVerifier_Release()`.
+ *
+ * @param [in] signer A pointer to a `PARCInMemoryVerifier` instance.
+ *
+ * @return NULL An error occurred.
+ * @return non-NULL A pointer to a PARCInMemoryVerifier instance.
+ *
+ * Example:
+ * @code
+ * {
+ *      PARCInMemoryVerifier *verifier = parcInMemoryVerifier_Create();
+ *      PARCInMemoryVerifier *handle = parcInMemoryVerifier_Acquire(signer);
+ *      // use the handle instance as needed
+ * }
+ * @endcode
+ */
+PARCInMemoryVerifier *parcInMemoryVerifier_Acquire(const PARCInMemoryVerifier *verifier);
+
+/**
+ * Release a previously acquired reference to the specified instance,
+ * decrementing the reference count for the instance.
+ *
+ * The pointer to the instance is set to NULL as a side-effect of this function.
+ *
+ * If the invocation causes the last reference to the instance to be released,
+ * the instance is deallocated and the instance's implementation will perform
+ * additional cleanup and release other privately held references.
+ *
+ * The contents of the dealloced memory used for the PARC object are undefined.
+ * Do not reference the object after the last release.
+ *
+ * @param [in,out] verifierPtr A pointer to a pointer to the instance to release.
+ *
+ * Example:
+ * @code
+ * {
+ *     PARCInMemoryVerifier *verifier = parcInMemoryVerifier_Create();
+ *
+ *     parcInMemoryVerifier_Release(&verifier);
+ * }
+ * @endcode
+ */
+void parcInMemoryVerifier_Release(PARCInMemoryVerifier **verifierPtr);
+#endif // libparc_parc_InMemoryVerifier_h