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/*************************************************
* Default Initialization Function Source File *
* (C) 1999-2006 The Botan Project *
*************************************************/
#include <botan/init.h>
#include <botan/libstate.h>
#include <botan/modules.h>
#include <botan/config.h>
#include <botan/defalloc.h>
#include <botan/fips140.h>
#include <botan/x931_rng.h>
#include <botan/def_char.h>
namespace Botan {
/*************************************************
* Library Initialization *
*************************************************/
void LibraryInitializer::initialize(const std::string& arg_string)
{
InitializerOptions args(arg_string);
initialize(args);
}
/*************************************************
* Library Initialization *
*************************************************/
void LibraryInitializer::initialize(const InitializerOptions& args)
{
try
{
Builtin_Modules modules(args);
initialize(args, modules);
}
catch(...)
{
deinitialize();
throw;
}
}
/*************************************************
* Library Initialization *
*************************************************/
void LibraryInitializer::initialize(const InitializerOptions& args,
Modules& modules)
{
try
{
set_global_state(
new Library_State(
args.thread_safe() ?
modules.mutex_factory() :
new Default_Mutex_Factory
)
);
global_state().config().load_defaults();
if(args.config_file() != "")
global_config().load_inifile(args.config_file());
global_state().load(modules);
global_state().set_prng(new ANSI_X931_RNG);
if(args.seed_rng())
{
for(u32bit j = 0; j != 4; ++j)
{
global_state().seed_prng(true, 384);
if(global_state().rng_is_seeded())
break;
}
if(!global_state().rng_is_seeded())
throw PRNG_Unseeded("Unable to collect sufficient entropy");
}
if(args.fips_mode() || args.self_test())
{
if(!FIPS140::passes_self_tests())
throw Self_Test_Failure("FIPS-140 startup tests");
}
}
catch(...)
{
deinitialize();
throw;
}
}
/*************************************************
* Library Shutdown *
*************************************************/
void LibraryInitializer::deinitialize()
{
set_global_state(0);
}
}
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