d5/d66/rand_8h_source.html

#pragma once


#include <stdbool.h>

#include <stdint.h>


typedef struct

{

    bool rdrandAvail;

} rand_cpu_ctx_t;


void rand_cpu_init(rand_cpu_ctx_t* ctx);


uint64_t rand_gen(void* buffer, uint64_t size);


extern uint64_t rdrand_do(uint32_t* value, uint8_t retries);


rdrand_do
uint64_t rdrand_do(uint32_t *value, uint8_t retries)
Generates a random 32-bit unsigned integer using the RDRAND instruction.

rand_cpu_init
void rand_cpu_init(rand_cpu_ctx_t *ctx)
Initializes the random number generator.
Definition rand.c:28

rand_gen
uint64_t rand_gen(void *buffer, uint64_t size)
Fills a buffer with random bytes.
Definition rand.c:61

buffer
EFI_PHYSICAL_ADDRESS buffer
Definition mem.c:15

stdbool.h

stdint.h

uint32_t
__UINT32_TYPE__ uint32_t
Definition stdint.h:15

uint64_t
__UINT64_TYPE__ uint64_t
Definition stdint.h:17

uint8_t
__UINT8_TYPE__ uint8_t
Definition stdint.h:11

rand_cpu_ctx_t
CPU random number generator context.
Definition rand.h:23

rand_cpu_ctx_t::rdrandAvail
bool rdrandAvail
If set, the RDRAND instruction is avilable and working.
Definition rand.h:24