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51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
// Copyright 2020 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 PLATFORM_API_CRYPTO_H_
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#define PLATFORM_API_CRYPTO_H_
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#include "absl/strings/string_view.h"
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#ifdef NEARBY_CHROMIUM
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#include "crypto/random.h"
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#else
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#include "internal/crypto/random.h"
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#endif
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#include "internal/platform/byte_array.h"
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namespace nearby {
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// A provider of standard hashing algorithms.
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class Crypto {
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public:
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// Initialize global crypto state.
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static void Init();
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// Return MD5 hash of input.
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static ByteArray Md5(absl::string_view input);
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// Return SHA256 hash of input.
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static ByteArray Sha256(absl::string_view input);
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};
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// Creates an object of type T initialized with random data.
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// This template should be used for simple data types: int, char, etc.
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template <typename T>
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T RandData() {
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T data;
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::crypto::RandBytes(&data, sizeof(data));
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return data;
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}
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} // namespace nearby
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#endif // PLATFORM_API_CRYPTO_H_
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