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-rw-r--r--lib/ssh/src/ssh.erl41
1 files changed, 41 insertions, 0 deletions
diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl
index 994c77436a..b7f56b1b38 100644
--- a/lib/ssh/src/ssh.erl
+++ b/lib/ssh/src/ssh.erl
@@ -30,6 +30,8 @@
stop_listener/1, stop_listener/2, stop_daemon/1, stop_daemon/2,
shell/1, shell/2, shell/3]).
+-export([sign_data/2, verify_data/3]).
+
%%--------------------------------------------------------------------
%% Function: start([, Type]) -> ok
%%
@@ -95,6 +97,8 @@ connect(Host, Port, Options, Timeout) ->
{error, Other};
{'DOWN', MRef, _, Manager, Reason} when is_pid(Manager) ->
receive %% Clear EXIT message from queue
+ {'EXIT', Manager, _What} when Reason == normal ->
+ {error, channel_closed};
{'EXIT', Manager, _What} ->
{error, Reason}
after 0 ->
@@ -239,6 +243,43 @@ shell(Host, Port, Options) ->
Error
end.
+
+%%--------------------------------------------------------------------
+%% Function: sign_data(Data, Algorithm) -> binary() |
+%% {error, Reason}
+%%
+%% Data = binary()
+%% Algorithm = "ssh-rsa"
+%%
+%% Description: Use SSH key to sign data.
+%%--------------------------------------------------------------------
+sign_data(Data, Algorithm) when is_binary(Data) ->
+ case ssh_file:private_identity_key(Algorithm,[]) of
+ {ok, Key} when Algorithm == "ssh-rsa" ->
+ ssh_rsa:sign(Key, Data);
+ Error ->
+ Error
+ end.
+
+%%--------------------------------------------------------------------
+%% Function: verify_data(Data, Signature, Algorithm) -> ok |
+%% {error, Reason}
+%%
+%% Data = binary()
+%% Signature = binary()
+%% Algorithm = "ssh-rsa"
+%%
+%% Description: Use SSH signature to verify data.
+%%--------------------------------------------------------------------
+verify_data(Data, Signature, Algorithm) when is_binary(Data), is_binary(Signature) ->
+ case ssh_file:public_identity_key(Algorithm, []) of
+ {ok, Key} when Algorithm == "ssh-rsa" ->
+ ssh_rsa:verify(Key, Data, Signature);
+ Error ->
+ Error
+ end.
+
+
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------