android_packages_modules_Vi.../compos/compos_key_helper/compos_key.h

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1.4 KiB
C++

/*
* Copyright 2022 The Android Open Source Project
*
* 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 <android-base/result.h>
#include <openssl/curve25519.h>
#include <array>
namespace compos_key {
using PrivateKey = std::array<uint8_t, ED25519_PRIVATE_KEY_LEN>;
using PublicKey = std::array<uint8_t, ED25519_PUBLIC_KEY_LEN>;
using Signature = std::array<uint8_t, ED25519_SIGNATURE_LEN>;
struct Ed25519KeyPair {
PrivateKey private_key;
PublicKey public_key;
};
android::base::Result<Ed25519KeyPair> deriveKeyFromSecret(const uint8_t* secret,
size_t secret_size);
android::base::Result<Signature> sign(const PrivateKey& private_key, const uint8_t* data,
size_t data_size);
bool verify(const PublicKey& public_key, const Signature& signature, const uint8_t* data,
size_t data_size);
} // namespace compos_key