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diff --git a/libparc/parc/security/parc_DiffieHellmanKeyShare.h b/libparc/parc/security/parc_DiffieHellmanKeyShare.h
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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_DiffieHellmanKeyShare.h
- * @ingroup security
- * @brief A Diffie Hellman key share.
- *
- */
-#ifndef libparc_parc_DiffieHellmanKeyShare_h
-#define libparc_parc_DiffieHellmanKeyShare_h
-
-#include <parc/security/parc_DiffieHellmanGroup.h>
-
-struct parc_diffie_hellman_keyshare;
-typedef struct parc_diffie_hellman_keyshare PARCDiffieHellmanKeyShare;
-
-/**
- * Create a `PARCDiffieHellmanKeyShare` instance to hold one public and private
- * Diffie Hellman key share for the specified group.
- *
- * @param [in] groupType A type of PARCDiffieHellmanGroup
- *
- * @return NULL Memory could not be allocated.
- * @return non-NULL A pointer to a `PARCDiffieHellmanKeyShare` instance.
- *
- * Example:
- * @code
- * {
- *     PARCDiffieHellmanKeyShare *keyShare = parcDiffieHellmanKeyShare_Create(PARCDiffieHellmanGroup_Secp521r1);
- *
- *     parcDiffieHellmanKeyShare_Release(&keyShare);
- * }
- * @endcode
- */
-PARCDiffieHellmanKeyShare *parcDiffieHellmanKeyShare_Create(PARCDiffieHellmanGroup groupType);
-
-/**
- * Increase the number of references to an instance of this object.
- *
- * Note that new instance is not created, only that the given instance's reference count
- * is incremented. Discard the reference by invoking `parcDiffieHellman_Release()`.
- *
- * @param [in] keyShare A `PARCDiffieHellmanKeyShare` instance.
- *
- * @return The value of the input parameter @p instance.
- *
- * Example:
- * @code
- * {
- *     ...
- *
- *     PARCDiffieHellmanKeyShare *keyShare = parcDiffieHellmanKeyShare_Acquire(keyShareInstance);
- *
- *     parcDiffieHellmanKeyShare_Release(&keyShare);
- * }
- * @endcode
- *
- * @see parcDiffieHellmanKeyShare_Release
- */
-PARCDiffieHellmanKeyShare *parcDiffieHellmanKeyShare_Acquire(const PARCDiffieHellmanKeyShare *keyShare);
-
-/**
- * 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.
- *
- * @param [in,out] keyShareP A pointer to a pointer to the instance to release.
- *
- * Example:
- * @code
- * {
- *     ...
- *
- *     PARCDiffieHellmanKeyShare *keyShare = parcDiffieHellmanKeyShare_Acquire(keyShareInstance);
- *
- *     parcDiffieHellmanKeyShare_Release(&keyShare);
- * }
- * @endcode
- */
-void parcDiffieHellmanKeyShare_Release(PARCDiffieHellmanKeyShare **keyShareP);
-
-/**
- * Serialize the public key part of a `PARCDiffieHellmanKeyShare.`
- *
- * The public key is saved to a `PARCBuffer` and can be used for transport if needed.
- *
- * @param [in] keyShare A `PARCDiffieHellmanKeyShare` instance.
- *
- * @return A `PARCBuffer` containing the public key of this key share.
- *
- * Example:
- * @code
- * {
- *     PARCDiffieHellmanKeyShare *keyShare = parcDiffieHellmanKeyShare_Create(PARCDiffieHellmanGroup_Secp521r1);
- *
- *     PARCBuffer *publicKey = parcDiffieHellmanKeyShare_SerializePublicKey(keyShare);
- *     // use the public key
- *
- *     parcBuffer_Release(&publicKey);
- *     parcDiffieHellmanKeyShare_Release(&keyShare);
- * }
- * @endcode
- */
-PARCBuffer *parcDiffieHellmanKeyShare_SerializePublicKey(PARCDiffieHellmanKeyShare *keyShare);
-
-/**
- * Combine a `PARCDiffieHellmanKeyShare` with an encoded public key to create a shared secret.
- *
- * @param [in] keyShare A `PARCDiffieHellmanKeyShare` instance.
- * @param [in] publicShare The public key share to use to derive the shared secrect.
- *
- * @return A `PARCBuffer` containing the shared secret from the Diffie Hellman exchange.
- *
- * Example:
- * @code
- * {
- *     PARCDiffieHellmanKeyShare *keyShare = parcDiffieHellmanKeyShare_Create(PARCDiffieHellmanGroup_Secp521r1);
- *
- *     PARCBuffer *publicKey = parcDiffieHellmanKeyShare_SerializePublicKey(keyShare);
- *
- *     ...
- *
- *     PARCBuffer *sharedSecret = parcDiffieHellmanKeyShare_Combine(keyShare, publicKey);
- *     // use the shared secret to derive other cryptographic secrets.
- *
- *     parcBuffer_Release(&sharedSecret);
- *     parcBuffer_Release(&publicKey);
- *     parcDiffieHellmanKeyShare_Release(&keyShare);
- * }
- * @endcode
- */
-PARCBuffer *parcDiffieHellmanKeyShare_Combine(PARCDiffieHellmanKeyShare *keyShare, PARCBuffer *publicShare);
-#endif // libparc_parc_DiffieHellmanKeyShare_h