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https://github.com/kidfromjupiter/nearby.git
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67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
// Copyright 2022 Google LLC
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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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// https://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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#ifndef THIRD_PARTY_NEARBY_FASTPAIR_COMMON_ACCOUNT_KEY_H_
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#define THIRD_PARTY_NEARBY_FASTPAIR_COMMON_ACCOUNT_KEY_H_
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#include <ostream>
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#include <string>
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#include <vector>
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#include "absl/strings/escaping.h"
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#include "absl/strings/string_view.h"
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#include "fastpair/common/constant.h"
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#include "internal/crypto_cros/random.h"
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namespace nearby {
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namespace fastpair {
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class AccountKey {
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public:
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AccountKey() = default;
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explicit AccountKey(absl::string_view bytes) : bytes_(bytes) {}
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explicit AccountKey(const std::vector<uint8_t> bytes) {
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bytes_ = std::string(bytes.begin(), bytes.end());
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}
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static AccountKey CreateRandomKey() {
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std::string key(kAccountKeySize, 0);
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::crypto::RandBytes(key.data(), kAccountKeySize);
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return AccountKey(key);
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}
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absl::string_view GetAsBytes() const { return bytes_; }
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bool Ok() const { return bytes_.size() == kAccountKeySize; }
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explicit operator bool() const { return Ok(); }
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private:
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std::string bytes_;
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};
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inline std::ostream& operator<<(std::ostream& stream, const AccountKey& key) {
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stream << "AccountKey(" << absl::BytesToHexString(key.GetAsBytes()) << ")";
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return stream;
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}
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inline bool operator==(const AccountKey& a, const AccountKey& b) {
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return a.GetAsBytes() == b.GetAsBytes();
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}
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} // namespace fastpair
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} // namespace nearby
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#endif // THIRD_PARTY_NEARBY_FASTPAIR_COMMON_ACCOUNT_KEY_H_
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