MD5_CHALLENGE_SIZE
unsigned char ns_challenge[MD5_CHALLENGE_SIZE]; /* For MD5 */
randomize(session->ns_challenge, MD5_CHALLENGE_SIZE);
session->ns_challenge, MD5_CHALLENGE_SIZE);
randomize(session->ns_challenge, MD5_CHALLENGE_SIZE);
session->ns_challenge, MD5_CHALLENGE_SIZE);
for (i = 0; i < MD5_CHALLENGE_SIZE - 2 * len; i++)
(void) memcpy(p, challenge, MD5_CHALLENGE_SIZE);
p += MD5_CHALLENGE_SIZE;