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/*
*
* Copyright (c) 2023 Project CHIP Authors
*
* 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
* This files overrides few APIs from mbedTLS based implementation of CHIP crypto primitives
* for using ECDSA peripheral on ESP32 chips.
*/
#pragma once
#include <crypto/CHIPCryptoPAL.h>
namespace chip {
namespace Crypto {
class ESP32P256Keypair : public P256Keypair
{
public:
/**
* @brief Initialize the keypair with efuse block key
* @return Returns a CHIP_ERROR on error, CHIP_NO_ERROR otherwise
**/
CHIP_ERROR Initialize(ECPKeyTarget keyTarget, int efuseBlock);
CHIP_ERROR ECDSA_sign_msg(const uint8_t * msg, const size_t msg_length, P256ECDSASignature & out_signature) const override;
};
} // namespace Crypto
} // namespace chip