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/*************************************************
* Utility Functions Header File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#ifndef BOTAN_UTIL_H__
#define BOTAN_UTIL_H__
#include <botan/types.h>
namespace Botan {
/*************************************************
* Time Access Functions *
*************************************************/
BOTAN_DLL u64bit system_time();
/*************************************************
* Memory Locking Functions *
*************************************************/
BOTAN_DLL bool lock_mem(void*, u32bit);
BOTAN_DLL void unlock_mem(void*, u32bit);
/*************************************************
* Misc Utility Functions *
*************************************************/
BOTAN_DLL u32bit round_up(u32bit, u32bit);
BOTAN_DLL u32bit round_down(u32bit, u32bit);
/*************************************************
* Work Factor Estimates *
*************************************************/
BOTAN_DLL u32bit entropy_estimate(const byte[], u32bit);
BOTAN_DLL u32bit dl_work_factor(u32bit);
}
#endif
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