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/*!
 * \file
 * \brief Pairing private interface.
 */

#ifndef EPID_COMMON_MATH_SRC_PAIRING_INTERNAL_H_
#define EPID_COMMON_MATH_SRC_PAIRING_INTERNAL_H_

/// Pairing State
struct PairingState {
  EcGroup* ga;      ///< elliptic curve group G1
  EcGroup* gb;      ///< elliptic curve group G1
  FiniteField* ff;  ///< finite field Fq12 GT
  BigNum* t;  ///< positive integer such that 6t^2 = p-q, where p and q are
              /// parameters of G1
  bool neg;   ///< 8-bit integer representing a Boolean value
  FfElement* g[3][5];  ///< 15 elements in Fq2
  FiniteField* Fq;     ///< Fq
  FiniteField* Fq2;    ///< Fq2
  FiniteField* Fq6;    ///< Fq6
};

#endif  // EPID_COMMON_MATH_SRC_PAIRING_INTERNAL_H_