88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
/*
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* Copyright (c) 2012-2020 MIRACL UK Ltd.
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*
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* This file is part of MIRACL Core
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* (see https://github.com/miracl/core).
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file bls.h
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* @author Mike Scott
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* @date 28th Novemebr 2018
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* @brief BLS Header file
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*
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* Allows some user configuration
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* defines structures
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* declares functions
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*
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*/
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#ifndef BLS_BLS12381_H
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#define BLS_BLS12381_H
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#include "pair_BLS12381.h"
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using namespace core;
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namespace BLS12381 {
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/* Field size is assumed to be greater than or equal to group size */
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#define BGS_BLS12381 MODBYTES_B384_29 /**< BLS Group Size */
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#define BFS_BLS12381 MODBYTES_B384_29 /**< BLS Field Size */
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#define BLS_OK 0 /**< Function completed without error */
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#define BLS_FAIL -1 /**< Point is NOT on the curve */
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/* BLS API functions */
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/** @brief Initialise BLS
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*
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@return BLS_OK if worked, otherwise BLS_FAIL
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*/
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int BLS_INIT();
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/** @brief Generate Key Pair
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*
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@param IKM contains truly random keying material
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@param S on output a private key
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@param W on output a public key = S*G, where G is fixed generator
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@return BLS_OK
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*/
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int BLS_KEY_PAIR_GENERATE(octet *IKM, octet* S, octet *W);
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/** @brief Calculate a signature
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*
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@param SIG the ouput signature
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@param M is the message to be signed
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@param S an input private key
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@return BLS_OK
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*/
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int BLS_CORE_SIGN(octet *SIG, octet *M, octet *S);
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/** @brief Verify a signature
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*
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@param SIG an input signature
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@param M is the message whose signature is to be verified.
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@param W an public key
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@return BLS_OK if verified, otherwise BLS_FAIL
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*/
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int BLS_CORE_VERIFY(octet *SIG, octet *M, octet *W);
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}
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#endif
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