From 3aedc795c4be04254e3400ea1ee85e1fd48ed55a Mon Sep 17 00:00:00 2001
From: zeripath <art27@cantab.net>
Date: Thu, 28 May 2020 14:29:15 +0100
Subject: [PATCH] Use -1 to disable key algorithm type in ssh.minimum_key_sizes
 (#11635)

Fix #11634

Signed-off-by: Andrew Thornton <art27@cantab.net>
---
 modules/setting/setting.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/setting/setting.go b/modules/setting/setting.go
index b8ec957535..f4ec19387b 100644
--- a/modules/setting/setting.go
+++ b/modules/setting/setting.go
@@ -730,6 +730,8 @@ func NewContext() {
 	for _, key := range minimumKeySizes {
 		if key.MustInt() != -1 {
 			SSH.MinimumKeySizes[strings.ToLower(key.Name())] = key.MustInt()
+		} else {
+			delete(SSH.MinimumKeySizes, strings.ToLower(key.Name()))
 		}
 	}
 	SSH.AuthorizedKeysBackup = sec.Key("SSH_AUTHORIZED_KEYS_BACKUP").MustBool(true)