1 files changed, 0 insertions, 71 deletions
diff --git a/lib/ssh/src/ssh_dsa.erl b/lib/ssh/src/ssh_dsa.erl
deleted file mode 100644
index 6650b8b99b..0000000000
--- a/lib/ssh/src/ssh_dsa.erl
+++ /dev/null
@@ -1,71 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2005-2012. All Rights Reserved.
-%%
-%% The contents of this file are subject to the Erlang Public License,
-%% Version 1.1, (the "License"); you may not use this file except in
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
-%%
-%% %CopyrightEnd%
-%%
-
-%%
-
-%%% Description: dsa public-key sign and verify
-
--module(ssh_dsa).
-
--export([verify/3, verify/4]).
--export([sign/2]).
--export([alg_name/0]).
-
--include("ssh.hrl").
--include_lib("public_key/include/public_key.hrl").
-
-sign(_Private= #'DSAPrivateKey'{p = P, q = Q, g = G, x = X},Mb) ->
-    K = ssh_bits:irandom(160) rem Q,
-    R = ssh_math:ipow(G, K, P) rem Q,
-    Ki = ssh_math:invert(K, Q),
-    <<M:160/big-unsigned-integer>> = crypto:sha(Mb),
-    S = (Ki * (M + X*R)) rem Q,
-    <<R:160/big-unsigned-integer, S:160/big-unsigned-integer>>.
-
-verify(PlainText, sha, Sig, {Y,  {_, P, Q, G}}) ->
-    verify(#ssh_key{type = dsa,
-		    public = {P,Q,G,Y}}, PlainText, Sig).
-
-verify(Public, Mb, Sb) ->
-    case catch xverify(Public, Mb, Sb) of
-	{'EXIT', _Reason} ->
-	    false;
-	ok ->
-	    true
-    end.
-
-xverify(_Public=#ssh_key { public={P,Q,G,Y} },Mb,Sb) ->
-    <<R0:160/big-unsigned-integer, S0:160/big-unsigned-integer>> = Sb,
-    ?ssh_assert(R0 >= 0 andalso R0 < Q andalso
-		S0 >= 0 andalso S0 < Q, out_of_range),
-    W = ssh_math:invert(S0,Q),
-    <<M0:160/big-unsigned-integer>> = crypto:sha(Mb),
-    U1 = (M0*W) rem Q,
-    U2 = (R0*W) rem Q,
-    T1 = ssh_math:ipow(G,U1,P),
-    T2 = ssh_math:ipow(Y,U2,P),
-    V = ((T1*T2) rem P) rem Q,
-    if V == R0 ->
-	    ok;
-       true ->
-	    {error, inconsistent_key}
-    end.
-
-alg_name() ->
-    "ssh-dss".