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#pragma once
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
struct prne_rnd {
void *ctx;
void (*free_ctx_f)(void*);
bool (*random)(void*, uint8_t *buf, size_t len);
};
typedef struct prne_rnd prne_rnd_t;
void prne_init_rnd (prne_rnd_t *p);
void prne_free_rnd (prne_rnd_t *p);
bool prne_rnd (prne_rnd_t *p, uint8_t *buf, const size_t len);
/*
* is_len should be 64 bytes(512 bits).
*/
bool prne_rnd_alloc_well512 (
prne_rnd_t *p,
const uint8_t *is,
const size_t is_len);
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