SSHOW - Implementation (cont.)


RSA authentication success (w/options) or failure

if (session->state == 1 && session->protocol == 1 && skip >= 1 &&
    ((session->history.directions >> (skip - 1)) & 037) == 013 &&
    plain_range->min == 0 &&
    get_history(session, skip - 1 + 2)->plain_range.min == 16 &&
    get_history(session, skip - 1 + 3)->plain_range.min == 130 &&
    get_history(session, skip - 1 + 4)->plain_range.min == 130) {
...
 	switch (get_history(session, 1)->plain_range.min - 4) {
 	case 28:
 		/* "RSA authentication accepted." */
 		if (skip > 1)
 			/* "skip - 1" is the number of authorized_keys options */
...
 	case 47:
 		/* "Wrong response to RSA authentication challenge." */