// Include `stdlib.h` for `size_t`
#include<stdlib.h>#include<stdint.h>#include<Security/SecRandom.h>/// Get a series of cryptographically secure random bytes
///
/// \param buf The buffer to write the bytes to
/// \param len The amount of bytes to write
/// \return 0 on success or 1 in case of an error
uint8_tcrypto_api_osrandom_native(uint8_t*buf,size_tlen){// Get the random bytes
if(SecRandomCopyBytes(kSecRandomDefault, len, buf)!= errSecSuccess){return1;}// Return success
return0;}