83eed0a886
Changes include: * CPU check has been broken up into a number of small libraries * BoringSSL option has been removed * Better abseil integration
97 lines
2.5 KiB
C++
97 lines
2.5 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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// http://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_CPU_CHECK_HASH_H_
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#define THIRD_PARTY_CPU_CHECK_HASH_H_
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#include <memory>
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#include <string>
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#include <vector>
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#include "malign_buffer.h"
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namespace cpu_check {
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class Hasher {
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public:
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virtual ~Hasher() {}
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virtual std::string Name() const = 0;
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virtual std::string Hash(const MalignBuffer &b) const = 0;
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};
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class Md5 : public Hasher {
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public:
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std::string Name() const override { return "MD5"; }
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std::string Hash(const MalignBuffer &b) const override;
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};
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class Sha1 : public Hasher {
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public:
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std::string Name() const override { return "SHA1"; }
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std::string Hash(const MalignBuffer &b) const override;
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};
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class Sha256 : public Hasher {
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public:
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std::string Name() const override { return "SHA256"; }
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std::string Hash(const MalignBuffer &b) const override;
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};
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class Sha512 : public Hasher {
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public:
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std::string Name() const override { return "SHA512"; }
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std::string Hash(const MalignBuffer &b) const override;
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};
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class Adler32 : public Hasher {
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public:
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std::string Name() const override { return "ADLER32"; }
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std::string Hash(const MalignBuffer &b) const override;
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};
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class Crc32 : public Hasher {
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public:
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std::string Name() const override { return "CRC32"; }
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std::string Hash(const MalignBuffer &b) const override;
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};
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class Crc32C : public Hasher {
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public:
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std::string Name() const override { return "CRC32C"; }
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std::string Hash(const MalignBuffer &b) const override;
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};
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class FarmHash64 : public Hasher {
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public:
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std::string Name() const override { return "FarmHash64"; }
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std::string Hash(const MalignBuffer &b) const override;
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};
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class Hashers {
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public:
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Hashers();
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// Returns a randomly selected hasher.
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const Hasher &RandomHasher(uint64_t seed) const;
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const std::vector<std::unique_ptr<Hasher>> &hashers() const {
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return hashers_;
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}
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private:
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std::vector<std::unique_ptr<Hasher>> hashers_;
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};
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} // namespace cpu_check
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#endif // THIRD_PARTY_CPU_CHECK_HASH_H_
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