62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
// Copyright 2017 Dolphin Emulator Project
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#pragma once
|
|
|
|
#include <array>
|
|
#include <limits>
|
|
#include <memory>
|
|
#include <span>
|
|
#include <string_view>
|
|
#include <type_traits>
|
|
#include <vector>
|
|
|
|
#include "Common/Assert.h"
|
|
#include "Common/CommonTypes.h"
|
|
|
|
namespace Common::SHA1
|
|
{
|
|
using Digest = std::array<u8, 160 / 8>;
|
|
static constexpr size_t DIGEST_LEN = sizeof(Digest);
|
|
|
|
class Context
|
|
{
|
|
public:
|
|
virtual ~Context() = default;
|
|
virtual void Update(const u8* msg, size_t len) = 0;
|
|
void Update(std::span<const u8> msg) { return Update(msg.data(), msg.size()); }
|
|
void Update(std::string_view msg)
|
|
{
|
|
return Update(reinterpret_cast<const u8*>(msg.data()), msg.size());
|
|
}
|
|
virtual Digest Finish() = 0;
|
|
virtual bool HwAccelerated() const = 0;
|
|
};
|
|
|
|
std::unique_ptr<Context> CreateContext();
|
|
|
|
Digest CalculateDigest(const u8* msg, size_t len);
|
|
|
|
template <typename T>
|
|
inline Digest CalculateDigest(const std::vector<T>& msg)
|
|
{
|
|
static_assert(std::is_trivially_copyable_v<T>);
|
|
ASSERT(std::numeric_limits<size_t>::max() / sizeof(T) >= msg.size());
|
|
return CalculateDigest(reinterpret_cast<const u8*>(msg.data()), sizeof(T) * msg.size());
|
|
}
|
|
|
|
inline Digest CalculateDigest(const std::string_view& msg)
|
|
{
|
|
return CalculateDigest(reinterpret_cast<const u8*>(msg.data()), msg.size());
|
|
}
|
|
|
|
template <typename T, size_t Size>
|
|
inline Digest CalculateDigest(const std::array<T, Size>& msg)
|
|
{
|
|
static_assert(std::is_trivially_copyable_v<T>);
|
|
return CalculateDigest(reinterpret_cast<const u8*>(msg.data()), sizeof(msg));
|
|
}
|
|
|
|
std::string DigestToString(const Digest& digest);
|
|
} // namespace Common::SHA1
|