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18 lines
374 B
C
18 lines
374 B
C
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#include <stdio.h>
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#include <stdlib.h>
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#include "common.h"
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#include "rng.h"
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uint32_t rng_get(void)
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{
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static FILE *frand = NULL;
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if (!frand) {
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frand = fopen("/dev/urandom", "r");
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}
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ensure(sectrue * (frand != NULL), "fopen failed");
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uint32_t r;
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ensure(sectrue * (sizeof(r) == fread(&r, 1, sizeof(r), frand)), "fread failed");
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return r;
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}
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