oracle.h

// Copyright 2018 The Beam Team
//
// 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.

#pragma once
#include "ecc_decl.h"

typedef struct {
	secp256k1_sha256_t m_sha;
} BeamCrypto_Oracle;

void BeamCrypto_Oracle_Init(BeamCrypto_Oracle*);
void BeamCrypto_Oracle_Expose(BeamCrypto_Oracle*, const uint8_t*, size_t);
void BeamCrypto_Oracle_NextHash(BeamCrypto_Oracle*, BeamCrypto_UintBig*);
void BeamCrypto_Oracle_NextScalar(BeamCrypto_Oracle*, secp256k1_scalar*);
void BeamCrypto_Oracle_NextPoint(BeamCrypto_Oracle*, BeamCrypto_FlexPoint*);