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/**
* BeOS EntropySource Source File
* (C) 1999-2008 Jack Lloyd
*/
#include <botan/es_beos.h>
#include <botan/xor_buf.h>
#include <kernel/OS.h>
#include <kernel/image.h>
#include <interface/InterfaceDefs.h>
namespace Botan {
/**
* BeOS Fast Poll
*/
u32bit BeOS_EntropySource::fast_poll(byte buf[], u32bit length)
{
if(length == 0)
return 0;
length = std::min<u32bit>(length, 32);
u32bit buf_i = 0;
system_info info_sys;
get_system_info(&info_sys);
buf_i = xor_into_buf(buf, buf_i, length, info_sys);
key_info info_key;
get_key_info(&info_key);
buf_i = xor_into_buf(buf, buf_i, length, key_info);
buf_i = xor_into_buf(buf, buf_i, length, idle_time());
return length;
}
/**
* BeOS slow poll
*/
u32bit BeOS_EntropySource::slow_poll(byte buf[], u32bit length)
{
if(length == 0)
return 0;
u32bit buf_i = 0;
team_info info_team;
int32 cookie_team = 0;
while(get_next_team_info(&cookie_team, &info_team) == B_OK)
{
buf_i = xor_into_buf(buf, buf_i, length, 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)
buf_i = xor_into_buf(buf, buf_i, length, info_thr);
cookie = 0;
image_info info_img;
while(get_next_image_info(id, &cookie, &info_img) == B_OK)
buf_i = xor_into_buf(buf, buf_i, length, info_img);
cookie = 0;
sem_info info_sem;
while(get_next_sem_info(id, &cookie, &info_sem) == B_OK)
buf_i = xor_into_buf(buf, buf_i, length, info_sem);
cookie = 0;
area_info info_area;
while(get_next_area_info(id, &cookie, &info_area) == B_OK)
buf_i = xor_into_buf(buf, buf_i, length, info_area);
}
return length;
}
}
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