epid/member/src/privateexp.h

/*############################################################################
  # Copyright 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
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  #     http://www.apache.org/licenses/LICENSE-2.0
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  # distributed under the License is distributed on an "AS IS" BASIS,
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/// Member private exponentiation API
/*! \file */
#ifndef EPID_MEMBER_SRC_PRIVATEEXP_H_
#define EPID_MEMBER_SRC_PRIVATEEXP_H_

#include "epid/common/errors.h"

/// \cond
typedef struct EcPoint EcPoint;
typedef struct MemberCtx MemberCtx;
/// \endcond

/// Raises a point in an elliptic curve group G1 to a private key f.
/*!
 \param[in] ctx
 The member context.
 \param[in] a
 The base.
 \param[out] r
 The result of exponentiation.

 \returns ::EpidStatus
*/

EpidStatus EpidPrivateExp(MemberCtx* ctx, EcPoint const* a, EcPoint* r);

#endif  // EPID_MEMBER_SRC_PRIVATEEXP_H_