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/*
* Library Internal/Global State
* (C) 1999-2010 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include <botan/libstate.h>
#include <botan/charset.h>
#include <botan/engine.h>
#include <botan/cpuid.h>
#include <botan/oids.h>
#include <botan/internal/core_engine.h>
#include <botan/internal/stl_util.h>
#include <algorithm>
#if defined(BOTAN_HAS_ENGINE_ASSEMBLER)
#include <botan/internal/asm_engine.h>
#endif
#if defined(BOTAN_HAS_ENGINE_AES_ISA)
#include <botan/internal/aes_isa_engine.h>
#endif
#if defined(BOTAN_HAS_ENGINE_SIMD)
#include <botan/internal/simd_engine.h>
#endif
#if defined(BOTAN_HAS_ENGINE_GNU_MP)
#include <botan/internal/gnump_engine.h>
#endif
#if defined(BOTAN_HAS_ENGINE_OPENSSL)
#include <botan/internal/openssl_engine.h>
#endif
namespace Botan {
/*
* Return a reference to the Algorithm_Factory
*/
Algorithm_Factory& Library_State::algorithm_factory() const
{
if(!m_algorithm_factory)
throw Invalid_State("Uninitialized in Library_State::algorithm_factory");
return *m_algorithm_factory;
}
/*
* Return a reference to the global PRNG
*/
RandomNumberGenerator& Library_State::global_rng()
{
return *m_global_prng;
}
Library_State::~Library_State()
{
}
void Library_State::initialize()
{
if(m_algorithm_factory.get())
throw Invalid_State("Library_State has already been initialized");
CPUID::initialize();
SCAN_Name::set_default_aliases();
OIDS::set_defaults();
m_algorithm_factory.reset(new Algorithm_Factory());
#if defined(BOTAN_HAS_ENGINE_GNU_MP)
algorithm_factory().add_engine(new GMP_Engine);
#endif
#if defined(BOTAN_HAS_ENGINE_OPENSSL)
algorithm_factory().add_engine(new OpenSSL_Engine);
#endif
#if defined(BOTAN_HAS_ENGINE_AES_ISA)
algorithm_factory().add_engine(new AES_ISA_Engine);
#endif
#if defined(BOTAN_HAS_ENGINE_SIMD)
algorithm_factory().add_engine(new SIMD_Engine);
#endif
#if defined(BOTAN_HAS_ENGINE_ASSEMBLER)
algorithm_factory().add_engine(new Assembler_Engine);
#endif
algorithm_factory().add_engine(new Core_Engine);
m_sources = entropy_sources();
m_global_prng.reset(new Serialized_RNG());
}
}
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