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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2015-2021. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
%%----------------------------------------------------------------------
%% Note: This module is used by ssh_basic_SUITE
-module(ssh_key_cb_engine_keys).
-behaviour(ssh_server_key_api).
-export([
host_key/2,
is_auth_key/3
]).
host_key(SshAlg, Options) ->
KBopts = proplists:get_value(key_cb_private, Options, []),
Engine = proplists:get_value(engine, KBopts),
case proplists:get_value(SshAlg, KBopts) of
undefined ->
{error, {unknown_alg,SshAlg}};
KeyId ->
case crypto_alg(SshAlg) of
undefined ->
{error, {unsupported_alg,SshAlg}};
CryptoAlg ->
PrivKey = #{engine => Engine,
key_id => KeyId,
algorithm => CryptoAlg},
%% Is there a key with this reference ?
case crypto:privkey_to_pubkey(CryptoAlg, PrivKey) of
[_|_] ->
{ok, PrivKey};
_ ->
{error, {no_hostkey,SshAlg}}
end
end
end.
is_auth_key(_PublicUserKey, _User, _Options) ->
false.
crypto_alg('ssh-rsa') -> rsa;
crypto_alg('ssh-dss') -> dss;
crypto_alg(_) -> undefined.
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