upstream commit

Refuse RSA keys <1024 bits in length. Improve reporting
for keys that do not meet this requirement. ok markus@

Upstream-ID: b385e2a7b13b1484792ee681daaf79e1e203df6c
diff --git a/ssherr.c b/ssherr.c
index 6802070..4bd5f59 100644
--- a/ssherr.c
+++ b/ssherr.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ssherr.c,v 1.5 2015/09/13 14:39:16 tim Exp $	*/
+/*	$OpenBSD: ssherr.c,v 1.6 2017/05/07 23:15:59 djm Exp $	*/
 /*
  * Copyright (c) 2011 Damien Miller
  *
@@ -135,6 +135,8 @@
 		return "Connection corrupted";
 	case SSH_ERR_PROTOCOL_ERROR:
 		return "Protocol error";
+	case SSH_ERR_KEY_LENGTH:
+		return "Invalid key length";
 	default:
 		return "unknown error";
 	}