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// SPDX-License-Identifier: Apache-2.0
// SPDX-FileCopyrightText: Copyright OpenBMC Authors
#pragma once
#include <cstddef>
#include <cstdint>
#include <limits>
#include <string>
#include <string_view>
namespace bmcweb
{
struct OpenSSLGenerator
{
uint8_t operator()();
static constexpr uint8_t max()
{
return std::numeric_limits<uint8_t>::max();
}
static constexpr uint8_t min()
{
return std::numeric_limits<uint8_t>::min();
}
bool error() const
{
return err;
}
// all generators require this variable
using result_type = uint8_t;
private:
// RAND_bytes() returns 1 on success, 0 otherwise. -1 if bad function
static constexpr int opensslSuccess = 1;
bool err = false;
};
std::string getRandomUUID();
std::string getRandomIdOfLength(size_t length);
bool constantTimeStringCompare(std::string_view a, std::string_view b);
struct ConstantTimeCompare
{
bool operator()(std::string_view a, std::string_view b) const;
};
} // namespace bmcweb
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