SHA1Context.h

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// Copyright 2024 libsese
//
// 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 <sese/security/evp/Context.h>
 
namespace sese::security::evp {
 
class SHA1Context : public Context {
public:
    SHA1Context() noexcept;
    ~SHA1Context() noexcept override;
    void update(const void *buffer, size_t len) noexcept override;
    void final() noexcept override;
    void *getResult() noexcept override;
    size_t getLength() noexcept override;
 
private:
    size_t length = 20;
    uint8_t result[20]{};
#ifdef SESE_PLATFORM_WINDOWS
    uint64_t hProv = 0;
    uint64_t hHash = 0;
#else
    void *context = nullptr;
#endif
};
} // namespace sese::security::evp