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/*
* BeOS EntropySource
* (C) 1999-2008 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include <botan/internal/es_beos.h>
#include <kernel/OS.h>
#include <kernel/image.h>
#include <interface/InterfaceDefs.h>
namespace Botan {
/**
* BeOS entropy poll
*/
size_t BeOS_EntropySource::poll(RandomNumberGenerator& rng)
{
size_t bits = 0;
system_info info_sys;
get_system_info(&info_sys);
rng.add_entropy_T(info_sys);
key_info info_key; // current state of the keyboard
get_key_info(&info_key);
rng.add_entropy_T(info_key);
team_info info_team;
int32 cookie_team = 0;
while(get_next_team_info(&cookie_team, &info_team) == B_OK)
{
rng.add_entropy_T(info_team);
team_id id = info_team.team;
int32 cookie = 0;
thread_info info_thr;
while(get_next_thread_info(id, &cookie, &info_thr) == B_OK)
rng.add_entropy_T(info_thr);
cookie = 0;
image_info info_img;
while(get_next_image_info(id, &cookie, &info_img) == B_OK)
rng.add_entropy_T(info_img);
cookie = 0;
sem_info info_sem;
while(get_next_sem_info(id, &cookie, &info_sem) == B_OK)
rng.add_entropy_T(info_sem);
cookie = 0;
area_info info_area;
while(get_next_area_info(id, &cookie, &info_area) == B_OK)
rng.add_entropy_T(info_area);
bits += 32;
}
return bits;
}
}
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