/usr/include/Poco/Crypto/OpenSSLInitializer.h is in libpoco-dev 1.8.0.1-1ubuntu4.
This file is owned by root:root, with mode 0o644.
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// OpenSSLInitializer.h
//
// Library: Crypto
// Package: CryptoCore
// Module: OpenSSLInitializer
//
// Definition of the OpenSSLInitializer class.
//
// Copyright (c) 2006-2009, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Crypto_OpenSSLInitializer_INCLUDED
#define Crypto_OpenSSLInitializer_INCLUDED
#include "Poco/Crypto/Crypto.h"
#include "Poco/Mutex.h"
#include "Poco/AtomicCounter.h"
#include <openssl/crypto.h>
#include <openssl/opensslv.h>
#if defined(OPENSSL_FIPS) && OPENSSL_VERSION_NUMBER < 0x010001000L
#include <openssl/fips.h>
#endif
extern "C"
{
struct CRYPTO_dynlock_value
{
Poco::FastMutex _mutex;
};
}
namespace Poco {
namespace Crypto {
class Crypto_API OpenSSLInitializer
/// Initalizes the OpenSSL library.
///
/// The class ensures the earliest initialization and the
/// latest shutdown of the OpenSSL library.
{
public:
OpenSSLInitializer();
/// Automatically initialize OpenSSL on startup.
~OpenSSLInitializer();
/// Automatically shut down OpenSSL on exit.
static void initialize();
/// Initializes the OpenSSL machinery.
static void uninitialize();
/// Shuts down the OpenSSL machinery.
static bool isFIPSEnabled();
// Returns true if FIPS mode is enabled, false otherwise.
static void enableFIPSMode(bool enabled);
// Enable or disable FIPS mode. If FIPS is not available, this method doesn't do anything.
protected:
enum
{
SEEDSIZE = 256
};
// OpenSSL multithreading support
static void lock(int mode, int n, const char* file, int line);
static unsigned long id();
static struct CRYPTO_dynlock_value* dynlockCreate(const char* file, int line);
static void dynlock(int mode, struct CRYPTO_dynlock_value* lock, const char* file, int line);
static void dynlockDestroy(struct CRYPTO_dynlock_value* lock, const char* file, int line);
private:
static Poco::FastMutex* _mutexes;
static Poco::AtomicCounter _rc;
};
//
// inlines
//
inline bool OpenSSLInitializer::isFIPSEnabled()
{
#ifdef OPENSSL_FIPS
return FIPS_mode() ? true : false;
#else
return false;
#endif
}
#ifdef OPENSSL_FIPS
inline void OpenSSLInitializer::enableFIPSMode(bool enabled)
{
FIPS_mode_set(enabled);
}
#else
inline void OpenSSLInitializer::enableFIPSMode(bool /*enabled*/)
{
}
#endif
} } // namespace Poco::Crypto
#endif // Crypto_OpenSSLInitializer_INCLUDED
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