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/*
* Copyright (c) 2023 Project CHIP Authors
* All rights reserved.
*
* 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 <crypto/CHIPCryptoPALPSA.h>
#include <crypto/SessionKeystore.h>
namespace chip {
namespace Crypto {
class PSASessionKeystore : public SessionKeystore
{
public:
CHIP_ERROR CreateKey(const Symmetric128BitsKeyByteArray & keyMaterial, Aes128KeyHandle & key) override;
CHIP_ERROR CreateKey(const Symmetric128BitsKeyByteArray & keyMaterial, Hmac128KeyHandle & key) override;
CHIP_ERROR CreateKey(const ByteSpan & keyMaterial, HkdfKeyHandle & key) override;
CHIP_ERROR DeriveKey(const P256ECDHDerivedSecret & secret, const ByteSpan & salt, const ByteSpan & info,
Aes128KeyHandle & key) override;
CHIP_ERROR DeriveSessionKeys(const ByteSpan & secret, const ByteSpan & salt, const ByteSpan & info, Aes128KeyHandle & i2rKey,
Aes128KeyHandle & r2iKey, AttestationChallenge & attestationChallenge) override;
CHIP_ERROR DeriveSessionKeys(const HkdfKeyHandle & hkdfKey, const ByteSpan & salt, const ByteSpan & info,
Aes128KeyHandle & i2rKey, Aes128KeyHandle & r2iKey,
AttestationChallenge & attestationChallenge) override;
void DestroyKey(Symmetric128BitsKeyHandle & key) override;
void DestroyKey(HkdfKeyHandle & key) override;
private:
CHIP_ERROR DeriveSessionKeys(PsaKdf & kdf, Aes128KeyHandle & i2rKey, Aes128KeyHandle & r2iKey,
AttestationChallenge & attestationChallenge);
};
} // namespace Crypto
} // namespace chip