random.h File Reference

#include <core/system.h>

Go to the source code of this file.

Functions
void	random_get (void *buf, size_t len)
	Fills a buffer with random bytes.
void	random_add (uint32_t value)
	Stirs a value into the pool, which goes into the next key.

Function Documentation

random_add()

void random_add

(

uint32_t

value

)

Stirs a value into the pool, which goes into the next key.

The timer tick adds the cycle counter on each tick.

Parameters

value

the value, which should be hard to predict

Definition at line 68 of file random.c.

References pool, pool_i, and random_add().

Referenced by random_add(), random_stir(), randomdev_write(), and sched_timer_tick().

random_get()

void random_get	(	void *	_buf,
		size_t	len )

Fills a buffer with random bytes.

Parameters

_buf	the buffer
len	its size, in bytes

Definition at line 93 of file random.c.

References chacha20_block(), memcpy(), memset(), MIN, random_get(), random_stir(), and state.

Referenced by bind_port(), random_get(), randomdev_read(), sock_bind(), sys_getrandom(), and tcp_iss().