text: /*
   * Copyright (c) 2012-2020 MIRACL UK Ltd.
   *
   * This file is part of MIRACL Core
   * (see https://github.com/miracl/core).
   *
   * 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 bls.h
   * @author Mike Scott
   * @date 28th Novemebr 2018
   * @brief BLS Header file
   *
   * Allows some user configuration
   * defines structures
   * declares functions
   *
   */
  
  #ifndef BLS_ZZZ_H
  #define BLS_ZZZ_H
  
  #include "pair_ZZZ.h"
  
  /* Field size is assumed to be greater than or equal to group size */
  
  #define BGS_ZZZ MODBYTES_XXX  /**< BLS Group Size */
  #define BFS_ZZZ MODBYTES_XXX  /**< BLS Field Size */
  
  #define BLS_OK           0  /**< Function completed without error */
  #define BLS_FAIL        -1  /**< Point is NOT on the curve */
  
  /* BLS API functions */
  
  /** @brief Initialise BLS
   *
      @return BLS_OK if worked, otherwise BLS_FAIL
   */
  int BLS_ZZZ_INIT();
  
  /** @brief Generate Key Pair
   *
      @param IKM is an octet containing random Initial Keying Material
      @param S on output a private key
      @param W on output a public key = S*G, where G is fixed generator
      @return BLS_OK
   */
  int BLS_ZZZ_KEY_PAIR_GENERATE(octet *IKM, octet* S, octet *W);
  
  /** @brief Calculate a signature
   *
      @param SIG the ouput signature
      @param M is the message to be signed
      @param S an input private key
      @return BLS_OK
   */
  int BLS_ZZZ_CORE_SIGN(octet *SIG, octet *M, octet *S);
  
  /** @brief Verify a signature
   *
      @param SIG an input signature
      @param M is the message whose signature is to be verified.
      @param W an public key
      @return BLS_OK if verified, otherwise BLS_FAIL
   */
  int BLS_ZZZ_CORE_VERIFY(octet *SIG, octet *M, octet *W);
  
  #endif
  
  