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// version 20230126
// public domain
// djb
// automatic-alternatives 1 -lcrypto
#include <unistd.h>
#include <openssl/rand.h>
#include "randombytes.h"
__attribute__((constructor))
static void startup(void)
{
unsigned char x;
while (RAND_bytes(&x,1) != 1)
sleep(1);
}
void randombytes(void *x,long long xbytes)
{
while (xbytes > 0) {
// RAND_bytes takes int length
// assume int is at least 32 bits
int todo = 1048576;
if (xbytes < 1048576) todo = xbytes;
while (RAND_bytes(x,todo) != 1)
sleep(1);
x += todo;
xbytes -= todo;
}
}
const char *randombytes_source(void)
{
return "openssl";
}
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