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-rw-r--r--lib/ssh/src/ssh_auth.erl13
1 files changed, 9 insertions, 4 deletions
diff --git a/lib/ssh/src/ssh_auth.erl b/lib/ssh/src/ssh_auth.erl
index 4967a2e4cd..fdbb5c152a 100644
--- a/lib/ssh/src/ssh_auth.erl
+++ b/lib/ssh/src/ssh_auth.erl
@@ -118,11 +118,16 @@ init_userauth_request_msg(#ssh{opts = Opts} = Ssh) ->
service = "ssh-connection",
method = "none",
data = <<>>},
+ Algs0 = proplists:get_value(pref_public_key_algs, Opts, ?SUPPORTED_USER_KEYS),
+ %% The following line is not strictly correct. The call returns the
+ %% supported HOST key types while we are interested in USER keys. However,
+ %% they "happens" to be the same (for now). This could change....
+ %% There is no danger as long as the set of user keys is a subset of the set
+ %% of host keys.
+ CryptoSupported = ssh_transport:supported_algorithms(public_key),
+ Algs = [A || A <- Algs0,
+ lists:member(A, CryptoSupported)],
-
- Algs = proplists:get_value(public_key,
- proplists:get_value(preferred_algorithms, Opts, []),
- ssh_transport:default_algorithms(public_key)),
Prefs = method_preference(Algs),
ssh_transport:ssh_packet(Msg, Ssh#ssh{user = User,
userauth_preference = Prefs,