OpenSSLCrypto Namespace Reference

Functions
AC_COMMON_API void	threadsSetup ()
	Needs to be called before threads using openssl are spawned.
AC_COMMON_API void	threadsCleanup ()
	Needs to be called after threads using openssl are despawned.

Detailed Description

A group of functions which setup openssl crypto module to work properly in multithreaded enviroment If not setup properly - it will crash

Function Documentation

threadsCleanup()

void OpenSSLCrypto::threadsCleanup

(

)

Needs to be called after threads using openssl are despawned.

{
#if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER < 0x1010000fL
    CRYPTO_set_locking_callback(nullptr);
    CRYPTO_THREADID_set_callback(nullptr);
 
    for (int i = 0 ; i < CRYPTO_num_locks(); ++i)
    {
        delete cryptoLocks[i];
    }
 
    cryptoLocks.resize(0);
#elif OPENSSL_VERSION_NUMBER >= 0x30000000L
    OSSL_PROVIDER_unload(LegacyProvider);
    OSSL_PROVIDER_unload(DefaultProvider);
    OSSL_PROVIDER_set_default_search_path(nullptr, nullptr);
#endif
}

Referenced by main().

threadsSetup()

void OpenSSLCrypto::threadsSetup

(

)

Needs to be called before threads using openssl are spawned.

{
#if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER < 0x1010000fL
    cryptoLocks.resize(CRYPTO_num_locks());
 
    for (int i = 0 ; i < CRYPTO_num_locks(); ++i)
    {
        cryptoLocks[i] = new std::mutex();
    }
 
    (void)&threadIdCallback;
    CRYPTO_THREADID_set_callback(threadIdCallback);
 
    (void)&lockingCallback;
    CRYPTO_set_locking_callback(lockingCallback);
#elif OPENSSL_VERSION_NUMBER >= 0x30000000L
#if AC_PLATFORM == AC_PLATFORM_WINDOWS
    SetupLibrariesForWindows();
#endif
    LegacyProvider = OSSL_PROVIDER_load(nullptr, "legacy");
    DefaultProvider = OSSL_PROVIDER_load(nullptr, "default");
#endif
}

Referenced by main().