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NAME

RAND_add, RAND_cleanup, RAND_poll, RAND_seed, RAND_status — manipulate the PRNG state

#include <openssl/rand.h>

void
RAND_add(const void *buf, int num, double entropy);

void
RAND_cleanup(void);

int
RAND_poll(void);

void
RAND_seed(const void *buf, int num);

int
RAND_status(void);

These functions used to allow for the state of the random number generator to be controlled by external sources.

They are kept for ABI compatibility but are no longer functional, and should not be used in new programs.

RAND_poll() and RAND_status() always return 1.

RAND_cleanup() and RAND_seed() first appeared in SSLeay 0.5.1 and have been available since OpenBSD 2.4.

RAND_add() and RAND_status() first appeared in OpenSSL 0.9.5 and have been available since OpenBSD 2.7.

RAND_poll() first appeared in OpenSSL 0.9.6 and has been available since OpenBSD 2.9.