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Kernel: Harvest randomness from various drivers

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Random now gets entropy from the following drivers:
- KeyboardDevice
- PATAChannel
- PS2MouseDevice
- E1000NetworkAdapter
- RTL8139NetworkAdapter

Of these devices,  PS2MouseDevice and PATAChannel provide the vast
majority of the entropy.
This commit is contained in:
Peter Elliott 2020-06-24 14:07:28 -06:00 • committed by Andreas Kling
parent 2e8cfe5435
commit af0b2d1d86
12 changed files with 71 additions and 7 deletions
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2
Kernel/Devices/KeyboardDevice.h
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@ -32,6 +32,7 @@
#include <Kernel/Devices/CharacterDevice.h>
#include <Kernel/Interrupts/IRQHandler.h>
#include <Kernel/KeyCode.h>
#include <Kernel/Random.h>
#include <LibKeyboard/CharacterMap.h>
namespace Kernel {
@ -82,6 +83,7 @@ private:
bool m_caps_lock_on { false };
bool m_num_lock_on { false };
bool m_has_e0_prefix { false };
EntropySource m_entropy_source;
Keyboard::CharacterMap m_character_map = Keyboard::CharacterMap("en");
};