ibuf_random
encr->encr_iv = ibuf_random(encr->encr_ivlength);
ibuf_random(size_t);
if ((nonce = ibuf_random(IKED_NONCE_SIZE)) == NULL)
if ((nonce = ibuf_random(IKED_NONCE_SIZE)) == NULL)
if ((sa->sa_inonce = ibuf_random(IKED_NONCE_SIZE)) == NULL) {
(sa->sa_rnonce = ibuf_random(IKED_NONCE_SIZE)) == NULL) {