openssh/SOURCES/openssh-8.0p1-keyscan-rsa-sha2.patch
2021-09-09 23:18:30 +00:00

34 lines
1.0 KiB
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From 7250879c72d28275a53f2f220e49646c3e42ef18 Mon Sep 17 00:00:00 2001
From: "djm@openbsd.org" <djm@openbsd.org>
Date: Fri, 12 Jul 2019 04:08:39 +0000
Subject: [PATCH] upstream: include SHA2-variant RSA key algorithms in KEX
proposal;
allows ssh-keyscan to harvest keys from servers that disable olde SHA1
ssh-rsa. bz#3029 from Jakub Jelen
OpenBSD-Commit-ID: 9f95ebf76a150c2f727ca4780fb2599d50bbab7a
---
ssh-keyscan.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/ssh-keyscan.c b/ssh-keyscan.c
index d95ba1b37..d383b57b9 100644
--- a/ssh-keyscan.c
+++ b/ssh-keyscan.c
@@ -233,7 +233,12 @@ keygrab_ssh2(con *c)
break;
case KT_RSA:
myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS] = get_cert ?
- "ssh-rsa-cert-v01@openssh.com" : "ssh-rsa";
+ "rsa-sha2-512-cert-v01@openssh.com,"
+ "rsa-sha2-256-cert-v01@openssh.com,"
+ "ssh-rsa-cert-v01@openssh.com" :
+ "rsa-sha2-512,"
+ "rsa-sha2-256,"
+ "ssh-rsa";
break;
case KT_ED25519:
myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS] = get_cert ?