Merge branch 'ia/ssl/session-and-cert-cache-handling/OTP-8965' into maint-r14

* ia/ssl/session-and-cert-cache-handling/OTP-8965:
  Prepare for release
  Cache invalidation and consistent user closing
  Cache invaldation first version does not break old test cases

11 files changed, 510 insertions, 225 deletions

diff --git a/lib/ssl/src/ssl.appup.src b/lib/ssl/src/ssl.appup.src
index 51c5289bd2..a9c07ec87c 100644
--- a/lib/ssl/src/ssl.appup.src
+++ b/lib/ssl/src/ssl.appup.src
@@ -1,10 +1,12 @@
 %% -*- erlang -*-
 {"%VSN%",
  [
+  {"4.1.1", [{restart_application, ssl}]},
   {"4.1", [{restart_application, ssl}]},
   {"4.0.1", [{restart_application, ssl}]}
  ], 
  [
+  {"4.1.1", [{restart_application, ssl}]},
   {"4.1", [{restart_application, ssl}]},
   {"4.0.1", [{restart_application, ssl}]}
  ]}.
diff --git a/lib/ssl/src/ssl_certificate_db.erl b/lib/ssl/src/ssl_certificate_db.erl
index 2a5a7f3394..f34459de37 100644
--- a/lib/ssl/src/ssl_certificate_db.erl
+++ b/lib/ssl/src/ssl_certificate_db.erl
@@ -27,7 +27,9 @@
 
 -export([create/0, remove/1, add_trusted_certs/3, 
 	 remove_trusted_certs/2, lookup_trusted_cert/3, issuer_candidate/1,
-	 lookup_cached_certs/1, cache_pem_file/3]).
+	 lookup_cached_certs/1, cache_pem_file/4, uncache_pem_file/2, lookup/2]).
+
+-type time()      :: {non_neg_integer(), non_neg_integer(), non_neg_integer()}.
 
 %%====================================================================
 %% Internal application API
@@ -98,17 +100,35 @@ add_trusted_certs(Pid, File, [CertsDb, FileToRefDb, PidToFileDb]) ->
     insert(Pid, File, PidToFileDb),
     {ok, Ref}.
 %%--------------------------------------------------------------------
--spec cache_pem_file(pid(), string(), certdb_ref()) -> term().
+-spec cache_pem_file(pid(), string(), time(), certdb_ref()) -> term().
 %%
 %% Description: Cache file as binary in DB
 %%--------------------------------------------------------------------
-cache_pem_file(Pid, File, [CertsDb, _FileToRefDb, PidToFileDb]) ->
+cache_pem_file(Pid, File, Time, [CertsDb, _FileToRefDb, PidToFileDb]) ->
     {ok, PemBin} = file:read_file(File), 
     Content = public_key:pem_decode(PemBin),
-    insert({file, File}, Content, CertsDb),
+    insert({file, File}, {Time, Content}, CertsDb),
     insert(Pid, File, PidToFileDb),
     {ok, Content}.
 
+%--------------------------------------------------------------------
+-spec uncache_pem_file(string(), certdb_ref()) -> no_return().
+%%
+%% Description: If a cached file is no longer valid (changed on disk)
+%% we must terminate the connections using the old file content, and
+%% when those processes are finish the cache will be cleaned. It is
+%% a rare but possible case a new ssl client/server is started with
+%% a filename with the same name as previously started client/server
+%% but with different content.
+%% --------------------------------------------------------------------
+uncache_pem_file(File, [_CertsDb, _FileToRefDb, PidToFileDb]) ->
+    [Pids] = select(PidToFileDb, [{{'$1', File},[],['$$']}]),
+    lists:foreach(fun(Pid) ->
+			  exit(Pid, shutdown)
+		  end, Pids).
+
+
+
 %%--------------------------------------------------------------------
 -spec remove_trusted_certs(pid(), certdb_ref()) -> term().
 				  
@@ -174,6 +194,22 @@ issuer_candidate(PrevCandidateKey) ->
     end.
 
 %%--------------------------------------------------------------------
+-spec lookup(term(), term()) -> term() | undefined.
+%%
+%% Description: Looks up an element in a certificat <Db>.
+%%--------------------------------------------------------------------
+lookup(Key, Db) ->
+    case ets:lookup(Db, Key) of
+	[] ->
+	    undefined;
+	Contents  ->
+	    Pick = fun({_, Data}) -> Data;
+		      ({_,_,Data}) -> Data
+		   end,
+	    [Pick(Data) || Data <- Contents]
+    end.
+
+%%--------------------------------------------------------------------
 %%% Internal functions
 %%--------------------------------------------------------------------
 certificate_db_name() ->
@@ -191,16 +227,8 @@ ref_count(Key, Db,N) ->
 delete(Key, Db) ->
     _ = ets:delete(Db, Key).
 
-lookup(Key, Db) ->
-    case ets:lookup(Db, Key) of
-	[] ->
-	    undefined;
-	Contents  ->
-	    Pick = fun({_, Data}) -> Data;
-		      ({_,_,Data}) -> Data
-		   end,
-	    [Pick(Data) || Data <- Contents]
-    end.
+select(Db, MatchSpec)->
+    ets:select(Db, MatchSpec).
 
 remove_certs(Ref, CertsDb) ->
     ets:match_delete(CertsDb, {{Ref, '_', '_'}, '_'}).
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index 6c9ac65b64..675e5e44bd 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -70,7 +70,7 @@
 	  %% {{md5_hash, sha_hash}, {prev_md5, prev_sha}} (binary())
           tls_handshake_hashes, % see above 
           tls_cipher_texts,     % list() received but not deciphered yet
-          own_cert,             % binary()  
+          own_cert,             % binary() | undefined
           session,              % #session{} from ssl_handshake.hrl
 	  session_cache,        % 
 	  session_cache_cb,     %
@@ -90,7 +90,8 @@
 	  log_alert,           % boolean() 
 	  renegotiation,        % {boolean(), From | internal | peer}
 	  recv_during_renegotiation,  %boolean() 
-	  send_queue           % queue()
+	  send_queue,           % queue()
+	  terminated = false   %
 	 }).
 
 -define(DEFAULT_DIFFIE_HELLMAN_PARAMS, 
@@ -304,8 +305,10 @@ init([Role, Host, Port, Socket, {SSLOpts0, _} = Options,
 
     try ssl_init(SSLOpts0, Role) of
 	{ok, Ref, CacheRef, OwnCert, Key, DHParams} ->	   
+	    Session = State0#state.session,
 	    State = State0#state{tls_handshake_hashes = Hashes0,
 				 own_cert = OwnCert,
+				 session = Session#session{own_certificate = OwnCert},
 				 cert_db_ref = Ref,
 				 session_cache = CacheRef,
 				 private_key = Key,
@@ -331,6 +334,7 @@ init([Role, Host, Port, Socket, {SSLOpts0, _} = Options,
 %%--------------------------------------------------------------------
 hello(start, #state{host = Host, port = Port, role = client,
 		    ssl_options = SslOpts, 
+		    own_cert = Cert,
 		    transport_cb = Transport, socket = Socket,
 		    connection_states = ConnectionStates,
 		    renegotiation = {Renegotiation, _}}
@@ -338,7 +342,7 @@ hello(start, #state{host = Host, port = Port, role = client,
 
     Hello = ssl_handshake:client_hello(Host, Port, 
 				       ConnectionStates, 
-				       SslOpts, Renegotiation),
+				       SslOpts, Renegotiation, Cert),
 
     Version = Hello#client_hello.client_version,
     Hashes0 = ssl_handshake:init_hashes(),
@@ -678,6 +682,7 @@ cipher(Msg, State) ->
 %%--------------------------------------------------------------------
 connection(#hello_request{}, #state{host = Host, port = Port,
 				    socket = Socket,
+				    own_cert = Cert,
 				    ssl_options = SslOpts,
 				    negotiated_version = Version,
 				    transport_cb = Transport,
@@ -686,7 +691,7 @@ connection(#hello_request{}, #state{host = Host, port = Port,
 				    tls_handshake_hashes = Hashes0} = State0) ->
    
     Hello = ssl_handshake:client_hello(Host, Port, ConnectionStates0,
-				       SslOpts, Renegotiation),
+				       SslOpts, Renegotiation, Cert),
   
     {BinMsg, ConnectionStates1, Hashes1} =
         encode_handshake(Hello, Version, ConnectionStates0, Hashes0),
@@ -777,8 +782,12 @@ handle_sync_event(start, _, connection, State) ->
 handle_sync_event(start, From, StateName, State) ->
     {next_state, StateName, State#state{from = From}};
 
-handle_sync_event(close, _, _StateName, State) ->
-    {stop, normal, ok, State};
+handle_sync_event(close, _, StateName, State) ->
+    %% Run terminate before returning
+    %% so that the reuseaddr inet-option will work
+    %% as intended.
+    (catch terminate(user_close, StateName, State)),
+    {stop, normal, ok, State#state{terminated = true}};
 
 handle_sync_event({shutdown, How0}, _, StateName,
 		  #state{transport_cb = Transport,
@@ -966,6 +975,11 @@ handle_info(Msg, StateName, State) ->
 %% necessary cleaning up. When it returns, the gen_fsm terminates with
 %% Reason. The return value is ignored.
 %%--------------------------------------------------------------------
+terminate(_, _, #state{terminated = true}) ->
+    %% Happens when user closes the connection using ssl:close/1
+    %% we want to guarantee that Transport:close has been called
+    %% when ssl:close/1 returns.
+    ok;
 terminate(Reason, connection, #state{negotiated_version = Version,
 				      connection_states = ConnectionStates,
 				      transport_cb = Transport,
@@ -975,14 +989,14 @@ terminate(Reason, connection, #state{negotiated_version = Version,
     notify_renegotiater(Renegotiate),
     BinAlert = terminate_alert(Reason, Version, ConnectionStates),
     Transport:send(Socket, BinAlert),
-    workaround_transport_delivery_problems(Socket, Transport),
+    workaround_transport_delivery_problems(Socket, Transport, Reason),
     Transport:close(Socket);
-terminate(_Reason, _StateName, #state{transport_cb = Transport, 
+terminate(Reason, _StateName, #state{transport_cb = Transport,
 				      socket = Socket, send_queue = SendQueue,
 				      renegotiation = Renegotiate}) ->
     notify_senders(SendQueue),
     notify_renegotiater(Renegotiate),
-    workaround_transport_delivery_problems(Socket, Transport),
+    workaround_transport_delivery_problems(Socket, Transport, Reason),
     Transport:close(Socket).
 
 %%--------------------------------------------------------------------
@@ -2185,7 +2199,8 @@ notify_renegotiater({true, From}) when not is_atom(From)  ->
 notify_renegotiater(_) ->
     ok.
 
-terminate_alert(Reason, Version, ConnectionStates) when Reason == normal; Reason == shutdown ->
+terminate_alert(Reason, Version, ConnectionStates) when Reason == normal; Reason == shutdown;
+							Reason == user_close ->
     {BinAlert, _} = encode_alert(?ALERT_REC(?WARNING, ?CLOSE_NOTIFY),
 				 Version, ConnectionStates),
     BinAlert;
@@ -2194,10 +2209,13 @@ terminate_alert(_, Version, ConnectionStates) ->
 				 Version, ConnectionStates),
     BinAlert.
 
-workaround_transport_delivery_problems(Socket, Transport) ->
+workaround_transport_delivery_problems(_,_, user_close) ->
+    ok;
+workaround_transport_delivery_problems(Socket, Transport, _) ->
     %% Standard trick to try to make sure all
     %% data sent to to tcp port is really sent
-    %% before tcp port is closed.
+    %% before tcp port is closed so that the peer will
+    %% get a correct error message.
     inet:setopts(Socket, [{active, false}]),
     Transport:shutdown(Socket, write),
     Transport:recv(Socket, 0).
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index c7a1c4965d..125c28b373 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -30,7 +30,7 @@
 -include("ssl_internal.hrl").
 -include_lib("public_key/include/public_key.hrl").
 
--export([master_secret/4, client_hello/5, server_hello/4, hello/4,
+-export([master_secret/4, client_hello/6, server_hello/4, hello/4,
 	 hello_request/0, certify/6, certificate/3,
 	 client_certificate_verify/5, certificate_verify/5,
 	 certificate_request/2, key_exchange/2, server_key_exchange_hash/2,
@@ -49,13 +49,13 @@
 %%====================================================================
 %%--------------------------------------------------------------------
 -spec client_hello(host(), port_num(), #connection_states{},
-		   #ssl_options{}, boolean()) -> #client_hello{}.
+		   #ssl_options{}, boolean(), der_cert()) -> #client_hello{}.
 %%
 %% Description: Creates a client hello message.
 %%--------------------------------------------------------------------
 client_hello(Host, Port, ConnectionStates, #ssl_options{versions = Versions,
 							ciphers = UserSuites} 
-	     = SslOpts, Renegotiation) ->
+	     = SslOpts, Renegotiation, OwnCert) ->
     
     Fun = fun(Version) ->
 		  ssl_record:protocol_version(Version)
@@ -65,7 +65,7 @@ client_hello(Host, Port, ConnectionStates, #ssl_options{versions = Versions,
     SecParams = Pending#connection_state.security_parameters,
     Ciphers = available_suites(UserSuites, Version),
 
-    Id = ssl_manager:client_session_id(Host, Port, SslOpts),
+    Id = ssl_manager:client_session_id(Host, Port, SslOpts, OwnCert),
 
     #client_hello{session_id = Id, 
 		  client_version = Version,
@@ -571,7 +571,7 @@ select_session(Hello, Port, Session, Version,
 	       #ssl_options{ciphers = UserSuites} = SslOpts, Cache, CacheCb, Cert) ->
     SuggestedSessionId = Hello#client_hello.session_id,
     SessionId = ssl_manager:server_session_id(Port, SuggestedSessionId, 
-					      SslOpts),
+					      SslOpts, Cert),
     
     Suites = available_suites(Cert, UserSuites, Version), 
     case ssl_session:is_new(SuggestedSessionId, SessionId) of
diff --git a/lib/ssl/src/ssl_handshake.hrl b/lib/ssl/src/ssl_handshake.hrl
index 68a7802ef2..8ae4d2332e 100644
--- a/lib/ssl/src/ssl_handshake.hrl
+++ b/lib/ssl/src/ssl_handshake.hrl
@@ -36,6 +36,7 @@
 -record(session, {
 	  session_id,
 	  peer_certificate,
+	  own_certificate,
 	  compression_method,
 	  cipher_suite,
 	  master_secret,
diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl
index 3b02d96562..f845b1ecc0 100644
--- a/lib/ssl/src/ssl_manager.erl
+++ b/lib/ssl/src/ssl_manager.erl
@@ -29,8 +29,8 @@
 %% Internal application API
 -export([start_link/1, 
 	 connection_init/2, cache_pem_file/1,
-	 lookup_trusted_cert/3, issuer_candidate/1, client_session_id/3, 
-	 server_session_id/3,
+	 lookup_trusted_cert/3, issuer_candidate/1, client_session_id/4,
+	 server_session_id/4,
 	 register_session/2, register_session/3, invalidate_session/2,
 	 invalidate_session/3]).
 
@@ -43,6 +43,7 @@
 
 -include("ssl_handshake.hrl").
 -include("ssl_internal.hrl").
+-include_lib("kernel/include/file.hrl").
 
 -record(state, {
 	  session_cache,
@@ -76,16 +77,17 @@ start_link(Opts) ->
 connection_init(Trustedcerts, Role) ->
     call({connection_init, Trustedcerts, Role}).
 %%--------------------------------------------------------------------
--spec cache_pem_file(string()) -> {ok, term()}.	
+-spec cache_pem_file(string()) -> {ok, term()} | {error, reason()}.
 %%		    
-%% Description: Cach a pem file and 
+%% Description: Cach a pem file and return its content.
 %%--------------------------------------------------------------------
-cache_pem_file(File) ->   
-    case ssl_certificate_db:lookup_cached_certs(File) of
-	[{_,Content}] ->
-	    {ok, Content};
-	[] ->
-	    call({cache_pem, File})
+cache_pem_file(File) ->
+    try file:read_file_info(File) of
+	{ok, #file_info{mtime = LastWrite}} ->
+	    cache_pem_file(File, LastWrite)
+    catch
+	_:Reason ->
+	    {error, Reason}
     end.
 %%--------------------------------------------------------------------
 -spec lookup_trusted_cert(reference(), serialnumber(), issuer()) -> 
@@ -106,20 +108,21 @@ lookup_trusted_cert(Ref, SerialNumber, Issuer) ->
 issuer_candidate(PrevCandidateKey) ->
     ssl_certificate_db:issuer_candidate(PrevCandidateKey).
 %%--------------------------------------------------------------------
--spec client_session_id(host(), port_num(), #ssl_options{}) -> session_id().
+-spec client_session_id(host(), port_num(), #ssl_options{},
+			der_cert() | undefined) -> session_id().
 %%
 %% Description: Select a session id for the client.
 %%--------------------------------------------------------------------
-client_session_id(Host, Port, SslOpts) ->
-    call({client_session_id, Host, Port, SslOpts}).
+client_session_id(Host, Port, SslOpts, OwnCert) ->
+    call({client_session_id, Host, Port, SslOpts, OwnCert}).
 
 %%--------------------------------------------------------------------
--spec server_session_id(host(), port_num(), #ssl_options{}) -> session_id().
+-spec server_session_id(host(), port_num(), #ssl_options{}, der_cert()) -> session_id().
 %%
 %% Description: Select a session id for the server.
 %%--------------------------------------------------------------------
-server_session_id(Port, SuggestedSessionId, SslOpts) ->
-    call({server_session_id, Port, SuggestedSessionId, SslOpts}).
+server_session_id(Port, SuggestedSessionId, SslOpts, OwnCert) ->
+    call({server_session_id, Port, SuggestedSessionId, SslOpts, OwnCert}).
 
 %%--------------------------------------------------------------------
 -spec register_session(port_num(), #session{}) -> ok.
@@ -201,28 +204,35 @@ handle_call({{connection_init, Trustedcerts, _Role}, Pid}, _From,
 	end,
     {reply, Result, State};
 
-handle_call({{client_session_id, Host, Port, SslOpts}, _}, _, 
+handle_call({{client_session_id, Host, Port, SslOpts, OwnCert}, _}, _,
 	    #state{session_cache = Cache,
 		  session_cache_cb = CacheCb} = State) ->
-    Id = ssl_session:id({Host, Port, SslOpts}, Cache, CacheCb),
+    Id = ssl_session:id({Host, Port, SslOpts}, Cache, CacheCb, OwnCert),
     {reply, Id, State};
 
-handle_call({{server_session_id, Port, SuggestedSessionId, SslOpts}, _},
+handle_call({{server_session_id, Port, SuggestedSessionId, SslOpts, OwnCert}, _},
 	    _, #state{session_cache_cb = CacheCb,
 		      session_cache = Cache,
 		      session_lifetime = LifeTime} = State) ->
     Id = ssl_session:id(Port, SuggestedSessionId, SslOpts,
-			Cache, CacheCb, LifeTime),
+			Cache, CacheCb, LifeTime, OwnCert),
     {reply, Id, State};
 
-handle_call({{cache_pem, File},Pid}, _, State = #state{certificate_db = Db}) ->
-    try ssl_certificate_db:cache_pem_file(Pid,File,Db) of
+handle_call({{cache_pem, File, LastWrite}, Pid}, _, 
+	    #state{certificate_db = Db} = State) ->
+    try ssl_certificate_db:cache_pem_file(Pid, File, LastWrite, Db) of
 	Result ->
 	    {reply, Result, State}
     catch 
 	_:Reason ->
 	    {reply, {error, Reason}, State}
-    end.
+    end;
+handle_call({{recache_pem, File, LastWrite}, Pid}, From,
+	    #state{certificate_db = Db} = State) ->
+    ssl_certificate_db:uncache_pem_file(File, Db),
+    cast({recache_pem, File, LastWrite, Pid, From}),
+    {noreply, State}.
+
 %%--------------------------------------------------------------------
 -spec  handle_cast(msg(), #state{}) -> {noreply, #state{}}.
 %% Possible return values not used now.  
@@ -259,7 +269,21 @@ handle_cast({invalidate_session, Port, #session{session_id = ID}},
 	    #state{session_cache = Cache,
 		   session_cache_cb = CacheCb} = State) ->
     CacheCb:delete(Cache, {Port, ID}),
-    {noreply, State}.
+    {noreply, State};
+
+handle_cast({recache_pem, File, LastWrite, Pid, From},
+	    #state{certificate_db = [_, FileToRefDb, _]} = State0) ->
+    case ssl_certificate_db:lookup(File, FileToRefDb) of
+	undefined ->
+	    {reply, Msg, State} = handle_call({{cache_pem, File, LastWrite}, Pid}, From, State0),
+	    gen_server:reply(From, Msg),
+	    {noreply, State};
+	_ -> %% Send message to self letting cleanup messages be handled
+	     %% first so that no reference to the old version of file
+             %% exists when we cache the new one.
+	    cast({recache_pem, File, LastWrite, Pid, From}),
+	    {noreply, State0}
+    end.
 
 %%--------------------------------------------------------------------
 -spec handle_info(msg(), #state{}) -> {noreply, #state{}}.
@@ -286,12 +310,14 @@ handle_info({'EXIT', _, _}, State) ->
 handle_info({'DOWN', _Ref, _Type, _Pid, ecacertfile}, State) ->
     {noreply, State};
 
+handle_info({'DOWN', _Ref, _Type, Pid, shutdown}, State) ->
+    handle_info({remove_trusted_certs, Pid}, State);
 handle_info({'DOWN', _Ref, _Type, Pid, _Reason}, State) ->
     erlang:send_after(?CERTIFICATE_CACHE_CLEANUP, self(), 
 		      {remove_trusted_certs, Pid}),
     {noreply, State};
 handle_info({remove_trusted_certs, Pid}, 
-	    State = #state{certificate_db = Db}) ->
+	    #state{certificate_db = Db} = State) ->
     ssl_certificate_db:remove_trusted_certs(Pid, Db),
     {noreply, State};
 
@@ -362,3 +388,16 @@ session_validation({{{Host, Port}, _}, Session}, LifeTime) ->
 session_validation({{Port, _}, Session}, LifeTime) ->
     validate_session(Port, Session, LifeTime),
     LifeTime.
+
+cache_pem_file(File, LastWrite) ->
+    case ssl_certificate_db:lookup_cached_certs(File) of
+	[{_, {Mtime, Content}}] ->
+	    case LastWrite of
+		Mtime ->
+		    {ok, Content};
+		_ ->
+		    call({recache_pem, File, LastWrite})
+	    end;
+	[] ->
+	    call({cache_pem, File, LastWrite})
+    end.
diff --git a/lib/ssl/src/ssl_session.erl b/lib/ssl/src/ssl_session.erl
index 25e7445180..dc4b7a711c 100644
--- a/lib/ssl/src/ssl_session.erl
+++ b/lib/ssl/src/ssl_session.erl
@@ -28,7 +28,7 @@
 -include("ssl_internal.hrl").
 
 %% Internal application API
--export([is_new/2, id/3, id/6, valid_session/2]).
+-export([is_new/2, id/4, id/7, valid_session/2]).
 
 -define(GEN_UNIQUE_ID_MAX_TRIES, 10).
 
@@ -48,13 +48,14 @@ is_new(_ClientSuggestion, _ServerDecision) ->
     true.
 
 %%--------------------------------------------------------------------
--spec id({host(), port_num(), #ssl_options{}}, cache_ref(), atom()) -> binary().
+-spec id({host(), port_num(), #ssl_options{}}, cache_ref(), atom(),
+	 undefined | binary()) -> binary().
 %%
 %% Description: Should be called by the client side to get an id 
 %%              for the client hello message.
 %%--------------------------------------------------------------------
-id(ClientInfo, Cache, CacheCb) ->
-    case select_session(ClientInfo, Cache, CacheCb) of
+id(ClientInfo, Cache, CacheCb, OwnCert) ->
+    case select_session(ClientInfo, Cache, CacheCb, OwnCert) of
 	no_session ->
 	    <<>>;
 	SessionId ->
@@ -63,19 +64,19 @@ id(ClientInfo, Cache, CacheCb) ->
 
 %%--------------------------------------------------------------------
 -spec id(port_num(), binary(), #ssl_options{}, cache_ref(), 
-	 atom(), seconds()) -> binary().
+	 atom(), seconds(), binary()) -> binary().
 %%
 %% Description: Should be called by the server side to get an id 
 %%              for the server hello message.
 %%--------------------------------------------------------------------
-id(Port, <<>>, _, Cache, CacheCb, _) ->
+id(Port, <<>>, _, Cache, CacheCb, _, _) ->
     new_id(Port, ?GEN_UNIQUE_ID_MAX_TRIES, Cache, CacheCb);
 
 id(Port, SuggestedSessionId, #ssl_options{reuse_sessions = ReuseEnabled,
 					  reuse_session = ReuseFun}, 
-   Cache, CacheCb, SecondLifeTime) ->
+   Cache, CacheCb, SecondLifeTime, OwnCert) ->
     case is_resumable(SuggestedSessionId, Port, ReuseEnabled, 
-		      ReuseFun, Cache, CacheCb, SecondLifeTime) of
+		      ReuseFun, Cache, CacheCb, SecondLifeTime, OwnCert) of
 	true ->
 	    SuggestedSessionId;
 	false ->
@@ -93,19 +94,20 @@ valid_session(#session{time_stamp = TimeStamp}, LifeTime) ->
 %%--------------------------------------------------------------------
 %%% Internal functions
 %%--------------------------------------------------------------------
-select_session({HostIP, Port, SslOpts}, Cache, CacheCb) ->    
+select_session({HostIP, Port, SslOpts}, Cache, CacheCb, OwnCert) ->
     Sessions = CacheCb:select_session(Cache, {HostIP, Port}),
-    select_session(Sessions, SslOpts).
+    select_session(Sessions, SslOpts, OwnCert).
 
-select_session([], _) ->
+select_session([], _, _) ->
     no_session;
 
 select_session(Sessions, #ssl_options{ciphers = Ciphers,
-				      reuse_sessions = ReuseSession}) ->
+				      reuse_sessions = ReuseSession}, OwnCert) ->
     IsResumable = 
  	fun(Session) -> 
  		ReuseSession andalso (Session#session.is_resumable) andalso  
  		    lists:member(Session#session.cipher_suite, Ciphers)
+		    andalso (OwnCert == Session#session.own_certificate)
  	end,
     case [Id || [Id, Session] <- Sessions, IsResumable(Session)] of
  	[] ->
@@ -140,14 +142,16 @@ new_id(Port, Tries, Cache, CacheCb) ->
     end.
 
 is_resumable(SuggestedSessionId, Port, ReuseEnabled, ReuseFun, Cache, 
-	     CacheCb, SecondLifeTime) ->
+	     CacheCb, SecondLifeTime, OwnCert) ->
     case CacheCb:lookup(Cache, {Port, SuggestedSessionId}) of
 	#session{cipher_suite = CipherSuite,
+		 own_certificate = SessionOwnCert,
 		 compression_method = Compression,
 		 is_resumable = Is_resumable,
 		 peer_certificate = PeerCert} = Session ->
 	    ReuseEnabled 
 		andalso Is_resumable  
+		andalso (OwnCert == SessionOwnCert)
 		andalso valid_session(Session, SecondLifeTime) 
 		andalso ReuseFun(SuggestedSessionId, PeerCert, 
 				 Compression, CipherSuite);
diff --git a/lib/ssl/test/ssl_basic_SUITE.erl b/lib/ssl/test/ssl_basic_SUITE.erl
index 8f9554f3ce..962d2d8cf0 100644
--- a/lib/ssl/test/ssl_basic_SUITE.erl
+++ b/lib/ssl/test/ssl_basic_SUITE.erl
@@ -27,6 +27,7 @@
 -include("test_server.hrl").
 -include("test_server_line.hrl").
 -include_lib("public_key/include/public_key.hrl").
+
 -include("ssl_alert.hrl").
 
 -define('24H_in_sec', 86400).  
@@ -125,6 +126,9 @@ init_per_testcase(empty_protocol_versions, Config)  ->
     ssl:start(),
     Config;
 
+init_per_testcase(different_ca_peer_sign, Config0) ->
+    ssl_test_lib:make_mix_cert(Config0);
+
 init_per_testcase(_TestCase, Config0) ->
     Config = lists:keydelete(watchdog, 1, Config0),
     Dog = test_server:timetrap(?TIMEOUT),
@@ -205,7 +209,10 @@ all(suite) ->
      invalid_signature_client, invalid_signature_server, cert_expired,
      client_with_cert_cipher_suites_handshake, unknown_server_ca_fail,
      der_input, unknown_server_ca_accept_verify_none, unknown_server_ca_accept_verify_peer,
-     unknown_server_ca_accept_backwardscompatibilty
+     unknown_server_ca_accept_backwardscompatibilty,
+     %different_ca_peer_sign,
+     no_reuses_session_server_restart_new_cert,
+     no_reuses_session_server_restart_new_cert_file, reuseaddr
     ].
 
 %% Test cases starts here.
@@ -321,7 +328,6 @@ basic_test(Config) ->
     
     ssl_test_lib:close(Server),
     ssl_test_lib:close(Client).
-
 %%--------------------------------------------------------------------
 
 controlling_process(doc) -> 
@@ -521,9 +527,7 @@ client_closes_socket(Config) when is_list(Config) ->
     
     _Client = spawn_link(Connect),
 
-    ssl_test_lib:check_result(Server, {error,closed}),
-    
-    ssl_test_lib:close(Server).
+    ssl_test_lib:check_result(Server, {error,closed}).
 
 %%--------------------------------------------------------------------
 
@@ -738,7 +742,6 @@ socket_options(Config) when is_list(Config) ->
     ssl_test_lib:check_result(Server, ok, Client, ok),
 
     ssl_test_lib:close(Server),
-    ssl_test_lib:close(Client),
     
     {ok, Listen} = ssl:listen(0, ServerOpts),
     {ok,[{mode,list}]} = ssl:getopts(Listen, [mode]),
@@ -841,6 +844,7 @@ send_recv(Config) when is_list(Config) ->
     ssl_test_lib:close(Server),
     ssl_test_lib:close(Client).
 
+%%--------------------------------------------------------------------
 send_close(doc) -> 
     [""];
 
@@ -867,8 +871,7 @@ send_close(Config) when is_list(Config) ->
     ok = ssl:send(SslS, "Hello world"),      
     {ok,<<"Hello world">>} = ssl:recv(SslS, 11),    
     gen_tcp:close(TcpS),    
-    {error, _} = ssl:send(SslS, "Hello world"),    
-    ssl_test_lib:close(Server).
+    {error, _} = ssl:send(SslS, "Hello world").
 
 %%--------------------------------------------------------------------
 close_transport_accept(doc) ->
@@ -1043,8 +1046,7 @@ tcp_connect(Config) when is_list(Config) ->
 		{Server, {error, Error}} ->
 		    test_server:format("Error ~p", [Error])
 	    end
-    end,
-    ssl_test_lib:close(Server).
+    end.
 
 
 dummy(_Socket) ->
@@ -1149,13 +1151,13 @@ ecertfile(Config) when is_list(Config) ->
     
 
 %%--------------------------------------------------------------------
-ecacertfile(doc) -> 
+ecacertfile(doc) ->
     ["Test what happens with an invalid cacert file"];
 
-ecacertfile(suite) -> 
+ecacertfile(suite) ->
     [];
 
-ecacertfile(Config) when is_list(Config) -> 
+ecacertfile(Config) when is_list(Config) ->
     ClientOpts    = [{reuseaddr, true}|?config(client_opts, Config)],
     ServerBadOpts = [{reuseaddr, true}|?config(server_bad_ca, Config)],
     {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
@@ -1532,7 +1534,7 @@ erlang_cipher_suite(Suite) ->
     Suite.
 
 cipher(CipherSuite, Version, Config, ClientOpts, ServerOpts) ->   
-    process_flag(trap_exit, true),
+    %% process_flag(trap_exit, true),
     test_server:format("Testing CipherSuite ~p~n", [CipherSuite]),
     {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
     
@@ -1556,16 +1558,8 @@ cipher(CipherSuite, Version, Config, ClientOpts, ServerOpts) ->
     Result = ssl_test_lib:wait_for_result(Server, ok, Client, ok),   
  
     ssl_test_lib:close(Server),
-    receive 
-	{'EXIT', Server, normal} ->
-	    ok
-     end,
     ssl_test_lib:close(Client),
-    receive 
-	{'EXIT', Client, normal} ->
-	    ok
-    end,
-    process_flag(trap_exit, false),
+
     case Result of
 	ok ->
 	    [];
@@ -1607,7 +1601,6 @@ reuse_session(suite) ->
     [];
 
 reuse_session(Config) when is_list(Config) -> 
-    process_flag(trap_exit, true),
     ClientOpts = ?config(client_opts, Config),
     ServerOpts = ?config(server_opts, Config),
     {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
@@ -1615,13 +1608,13 @@ reuse_session(Config) when is_list(Config) ->
     Server = 
 	ssl_test_lib:start_server([{node, ServerNode}, {port, 0}, 
 				   {from, self()},
-		      {mfa, {?MODULE, session_info_result, []}},
-		      {options, ServerOpts}]),
+				   {mfa, {?MODULE, session_info_result, []}},
+				   {options, ServerOpts}]),
     Port = ssl_test_lib:inet_port(Server),
     Client0 =
 	ssl_test_lib:start_client([{node, ClientNode}, 
 		      {port, Port}, {host, Hostname},
-			    {mfa, {ssl_test_lib, no_result, []}},
+				   {mfa, {ssl_test_lib, no_result, []}},
 		      {from, self()},  {options, ClientOpts}]),   
     SessionInfo = 
 	receive
@@ -1629,16 +1622,16 @@ reuse_session(Config) when is_list(Config) ->
 		Info
 	end,
        
-    Server ! listen,
+    Server ! {listen, {mfa, {ssl_test_lib, no_result, []}}},
     
     %% Make sure session is registered
     test_server:sleep(?SLEEP),
 
     Client1 =
-	ssl_test_lib:start_client([{node, ClientNode}, 
-		      {port, Port}, {host, Hostname},
-		      {mfa, {?MODULE, session_info_result, []}},
-		      {from, self()},  {options, ClientOpts}]),    
+	ssl_test_lib:start_client([{node, ClientNode},
+				   {port, Port}, {host, Hostname},
+				   {mfa, {?MODULE, session_info_result, []}},
+				   {from, self()},  {options, ClientOpts}]),
     receive
 	{Client1, SessionInfo} ->
 	    ok;
@@ -1648,10 +1641,10 @@ reuse_session(Config) when is_list(Config) ->
 	    test_server:fail(session_not_reused)
     end,
     
-    Server ! listen,
+    Server !  {listen, {mfa, {ssl_test_lib, no_result, []}}},
     
     Client2 =
-	ssl_test_lib:start_client([{node, ClientNode}, 
+	ssl_test_lib:start_client([{node, ClientNode},
 		      {port, Port}, {host, Hostname},
 			    {mfa, {?MODULE, session_info_result, []}},
 		      {from, self()},  {options, [{reuse_sessions, false}
@@ -1665,10 +1658,6 @@ reuse_session(Config) when is_list(Config) ->
     end,
     
     ssl_test_lib:close(Server),
-    ssl_test_lib:close(Client0),
-    ssl_test_lib:close(Client1),
-    ssl_test_lib:close(Client2),
-
 
     Server1 = 
 	ssl_test_lib:start_server([{node, ServerNode}, {port, 0}, 
@@ -1680,7 +1669,7 @@ reuse_session(Config) when is_list(Config) ->
     Client3 =
 	ssl_test_lib:start_client([{node, ClientNode}, 
 				   {port, Port1}, {host, Hostname},
-				   {mfa, {?MODULE, session_info_result, []}},
+				   {mfa, {ssl_test_lib, no_result, []}},
 				   {from, self()},  {options, ClientOpts}]), 
 
     SessionInfo1 = 
@@ -1689,7 +1678,7 @@ reuse_session(Config) when is_list(Config) ->
 		Info1
 	end,
        
-    Server1 ! listen,
+    Server1 ! {listen, {mfa, {ssl_test_lib, no_result, []}}},
     
     %% Make sure session is registered
     test_server:sleep(?SLEEP),
@@ -1705,14 +1694,16 @@ reuse_session(Config) when is_list(Config) ->
 	    test_server:fail(
 	      session_reused_when_session_reuse_disabled_by_server);
 	{Client4, _Other} ->
+	    test_server:format("OTHER: ~p ~n", [_Other]),
 	    ok
     end,
-    
+
     ssl_test_lib:close(Server1),
+    ssl_test_lib:close(Client0),
+    ssl_test_lib:close(Client1),
+    ssl_test_lib:close(Client2),
     ssl_test_lib:close(Client3),
-    ssl_test_lib:close(Client4),
-    process_flag(trap_exit, false).
-
+    ssl_test_lib:close(Client4).
 
 session_info_result(Socket) ->                                            
     ssl:session_info(Socket).
@@ -1725,7 +1716,6 @@ reuse_session_expired(suite) ->
     [];
 
 reuse_session_expired(Config) when is_list(Config) -> 
-    process_flag(trap_exit, true),
     ClientOpts = ?config(client_opts, Config),
     ServerOpts = ?config(server_opts, Config),
     {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
@@ -1746,8 +1736,8 @@ reuse_session_expired(Config) when is_list(Config) ->
 	    {Server, Info} ->
 		Info
 	end,
-       
-    Server ! listen,
+
+    Server ! {listen, {mfa, {ssl_test_lib, no_result, []}}},
     
     %% Make sure session is registered
     test_server:sleep(?SLEEP),
@@ -1767,7 +1757,7 @@ reuse_session_expired(Config) when is_list(Config) ->
     end,
     
     Server ! listen,
-    
+
     %% Make sure session is unregistered due to expiration
     test_server:sleep((?EXPIRE+1) * 1000),
     
@@ -1782,12 +1772,12 @@ reuse_session_expired(Config) when is_list(Config) ->
 	{Client2, _} ->
 	    ok
     end,
-    
+    process_flag(trap_exit, false),
     ssl_test_lib:close(Server),
     ssl_test_lib:close(Client0),
     ssl_test_lib:close(Client1),
-    ssl_test_lib:close(Client2),
-    process_flag(trap_exit, false).
+    ssl_test_lib:close(Client2).
+
 %%--------------------------------------------------------------------
 server_does_not_want_to_reuse_session(doc) -> 
     ["Test reuse of sessions (short handshake)"];
@@ -1820,10 +1810,11 @@ server_does_not_want_to_reuse_session(Config) when is_list(Config) ->
 		Info
 	end,
        
-    Server ! listen,
+    Server ! {listen, {mfa, {ssl_test_lib, no_result, []}}},
     
     %% Make sure session is registered
     test_server:sleep(?SLEEP),
+    ssl_test_lib:close(Client0),
 
     Client1 =
 	ssl_test_lib:start_client([{node, ClientNode}, 
@@ -1836,11 +1827,9 @@ server_does_not_want_to_reuse_session(Config) when is_list(Config) ->
 	{Client1, _Other} ->
 	   ok
     end,
-    
+
     ssl_test_lib:close(Server),
-    ssl_test_lib:close(Client0),
-    ssl_test_lib:close(Client1),
-    process_flag(trap_exit, false).
+    ssl_test_lib:close(Client1).
 
 %%--------------------------------------------------------------------
 
@@ -2007,6 +1996,7 @@ server_verify_none_active_once(Config) when is_list(Config) ->
     ssl_test_lib:check_result(Server, ok, Client, ok),
     ssl_test_lib:close(Server),
     ssl_test_lib:close(Client).
+
 %%--------------------------------------------------------------------
 
 server_verify_client_once_passive(doc) -> 
@@ -2034,7 +2024,7 @@ server_verify_client_once_passive(Config) when is_list(Config) ->
     
     ssl_test_lib:check_result(Server, ok, Client0, ok),
     ssl_test_lib:close(Client0),
-    Server ! listen,
+    Server ! {listen, {mfa, {ssl_test_lib, no_result, []}}},
     Client1 = ssl_test_lib:start_client([{node, ClientNode}, {port, Port}, 
 					{host, Hostname},
 					{from, self()}, 
@@ -2072,7 +2062,7 @@ server_verify_client_once_active(Config) when is_list(Config) ->
     
     ssl_test_lib:check_result(Server, ok, Client0, ok),
     ssl_test_lib:close(Client0),
-    Server ! listen,
+    Server ! {listen, {mfa, {ssl_test_lib, no_result, []}}},
     Client1 = ssl_test_lib:start_client([{node, ClientNode}, {port, Port}, 
 					{host, Hostname},
 					{from, self()}, 
@@ -2083,7 +2073,6 @@ server_verify_client_once_active(Config) when is_list(Config) ->
     ssl_test_lib:close(Server),
     ssl_test_lib:close(Client1).
     
-
 %%--------------------------------------------------------------------
 
 server_verify_client_once_active_once(doc) -> 
@@ -2111,18 +2100,17 @@ server_verify_client_once_active_once(Config) when is_list(Config) ->
     
     ssl_test_lib:check_result(Server, ok, Client0, ok),
     ssl_test_lib:close(Client0),
-    Server ! listen,
-    
+    Server ! {listen, {mfa, {ssl_test_lib, no_result, []}}},
     Client1 = ssl_test_lib:start_client([{node, ClientNode}, {port, Port}, 
-					{host, Hostname},
-					{from, self()}, 
-					{mfa, {?MODULE, result_ok, []}},
-					{options, [{active, once} | ClientOpts]}]),
+					 {host, Hostname},
+					 {from, self()},
+					 {mfa, {?MODULE, result_ok, []}},
+					 {options, [{active, once} | ClientOpts]}]),
     
     ssl_test_lib:check_result(Client1, ok),
     ssl_test_lib:close(Server),
     ssl_test_lib:close(Client1).
-    
+
 %%--------------------------------------------------------------------
 
 server_verify_no_cacerts(doc) -> 
@@ -2130,9 +2118,8 @@ server_verify_no_cacerts(doc) ->
 
 server_verify_no_cacerts(suite) -> 
     [];
-
 server_verify_no_cacerts(Config) when is_list(Config) ->
-    ServerOpts =  ServerOpts =  ?config(server_opts, Config), 
+    ServerOpts =  ?config(server_opts, Config),
     {_, ServerNode, _} = ssl_test_lib:run_where(Config),
     Server = ssl_test_lib:start_server_error([{node, ServerNode}, {port, 0}, 
 					      {from, self()}, 
@@ -2293,8 +2280,6 @@ client_verify_none_active_once(Config) when is_list(Config) ->
     ssl_test_lib:close(Server),
     ssl_test_lib:close(Client).
 
-
-
 %%--------------------------------------------------------------------
 client_renegotiate(doc) -> 
     ["Test ssl:renegotiate/1 on client."];
@@ -2303,7 +2288,6 @@ client_renegotiate(suite) ->
     [];
 
 client_renegotiate(Config) when is_list(Config) ->
-    process_flag(trap_exit, true),
     ServerOpts = ?config(server_opts, Config),  
     ClientOpts = ?config(client_opts, Config),  
 
@@ -2326,11 +2310,9 @@ client_renegotiate(Config) when is_list(Config) ->
 					{options, [{reuse_sessions, false} | ClientOpts]}]),
     
     ssl_test_lib:check_result(Client, ok, Server, ok), 
-
     ssl_test_lib:close(Server),
-    ssl_test_lib:close(Client),
-    process_flag(trap_exit, false),
-    ok.
+    ssl_test_lib:close(Client).
+
 %%--------------------------------------------------------------------
 server_renegotiate(doc) -> 
     ["Test ssl:renegotiate/1 on server."];
@@ -2339,7 +2321,6 @@ server_renegotiate(suite) ->
     [];
 
 server_renegotiate(Config) when is_list(Config) ->
-    process_flag(trap_exit, true),
     ServerOpts = ?config(server_opts, Config),  
     ClientOpts = ?config(client_opts, Config),  
 
@@ -2362,8 +2343,7 @@ server_renegotiate(Config) when is_list(Config) ->
     
     ssl_test_lib:check_result(Server, ok, Client, ok),
     ssl_test_lib:close(Server),
-    ssl_test_lib:close(Client),
-    ok.
+    ssl_test_lib:close(Client).
 
 %%--------------------------------------------------------------------
 client_renegotiate_reused_session(doc) -> 
@@ -2373,7 +2353,6 @@ client_renegotiate_reused_session(suite) ->
     [];
 
 client_renegotiate_reused_session(Config) when is_list(Config) ->
-    process_flag(trap_exit, true),
     ServerOpts = ?config(server_opts, Config),  
     ClientOpts = ?config(client_opts, Config),  
 
@@ -2396,11 +2375,8 @@ client_renegotiate_reused_session(Config) when is_list(Config) ->
 					{options, [{reuse_sessions, true} | ClientOpts]}]),
     
     ssl_test_lib:check_result(Client, ok, Server, ok), 
-
     ssl_test_lib:close(Server),
-    ssl_test_lib:close(Client),
-    process_flag(trap_exit, false),
-    ok.
+    ssl_test_lib:close(Client).
 %%--------------------------------------------------------------------
 server_renegotiate_reused_session(doc) -> 
     ["Test ssl:renegotiate/1 on server when the ssl session will be reused."];
@@ -2409,7 +2385,6 @@ server_renegotiate_reused_session(suite) ->
     [];
 
 server_renegotiate_reused_session(Config) when is_list(Config) ->
-    process_flag(trap_exit, true),
     ServerOpts = ?config(server_opts, Config),  
     ClientOpts = ?config(client_opts, Config),  
 
@@ -2432,9 +2407,7 @@ server_renegotiate_reused_session(Config) when is_list(Config) ->
     
     ssl_test_lib:check_result(Server, ok, Client, ok),
     ssl_test_lib:close(Server),
-    ssl_test_lib:close(Client),
-    ok.
-
+    ssl_test_lib:close(Client).
 %%--------------------------------------------------------------------
 client_no_wrap_sequence_number(doc) -> 
     ["Test that erlang client will renegotiate session when",  
@@ -2446,7 +2419,6 @@ client_no_wrap_sequence_number(suite) ->
     [];
 
 client_no_wrap_sequence_number(Config) when is_list(Config) ->
-    process_flag(trap_exit, true),
     ServerOpts = ?config(server_opts, Config),  
     ClientOpts = ?config(client_opts, Config),  
 
@@ -2471,11 +2443,8 @@ client_no_wrap_sequence_number(Config) when is_list(Config) ->
 						   {renegotiate_at, N} | ClientOpts]}]),
     
     ssl_test_lib:check_result(Client, ok), 
-
     ssl_test_lib:close(Server),
-    ssl_test_lib:close(Client),
-    process_flag(trap_exit, false),
-    ok.
+    ssl_test_lib:close(Client).
 %%--------------------------------------------------------------------
 server_no_wrap_sequence_number(doc) -> 
     ["Test that erlang server will renegotiate session when",  
@@ -2487,7 +2456,6 @@ server_no_wrap_sequence_number(suite) ->
     [];
 
 server_no_wrap_sequence_number(Config) when is_list(Config) ->
-    process_flag(trap_exit, true),
     ServerOpts = ?config(server_opts, Config),  
     ClientOpts = ?config(client_opts, Config),  
 
@@ -2511,9 +2479,7 @@ server_no_wrap_sequence_number(Config) when is_list(Config) ->
     
     ssl_test_lib:check_result(Server, ok),
     ssl_test_lib:close(Server),
-    ssl_test_lib:close(Client),
-    ok.
-
+    ssl_test_lib:close(Client).
 %%--------------------------------------------------------------------
 extended_key_usage(doc) -> 
     ["Test cert that has a critical extended_key_usage extension"];
@@ -2885,9 +2851,7 @@ unknown_server_ca_fail(Config) when is_list(Config) ->
 						| ClientOpts]}]),
 
     ssl_test_lib:check_result(Server, {error,"unknown ca"},
-			      Client, {error, "unknown ca"}),
-    ssl_test_lib:close(Server),
-    ssl_test_lib:close(Client).
+			      Client, {error, "unknown ca"}).
 
 %%--------------------------------------------------------------------
 unknown_server_ca_accept_verify_none(doc) ->
@@ -3052,12 +3016,205 @@ der_input_opts(Opts) ->
     {Cert, {rsa, Key}, CaCerts, DHParams}.
 
 %%--------------------------------------------------------------------
+%% different_ca_peer_sign(doc) ->
+%%     ["Check that a CA can have a different signature algorithm than the peer cert."];
+
+%% different_ca_peer_sign(suite) ->
+%%     [];
+
+%% different_ca_peer_sign(Config) when is_list(Config) ->
+%%     ClientOpts =  ?config(client_mix_opts, Config),
+%%     ServerOpts =  ?config(server_mix_verify_opts, Config),
+
+%%     {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+%%     Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+%% 					{from, self()},
+%% 			   {mfa, {?MODULE, send_recv_result_active_once, []}},
+%% 			   {options, [{active, once},
+%% 				      {verify, verify_peer} | ServerOpts]}]),
+%%     Port  = ssl_test_lib:inet_port(Server),
+
+%%     Client = ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
+%% 					{host, Hostname},
+%% 					{from, self()},
+%% 					{mfa, {?MODULE,
+%% 					       send_recv_result_active_once,
+%% 					       []}},
+%% 					{options, [{active, once},
+%% 						   {verify, verify_peer}
+%% 						   | ClientOpts]}]),
+
+%%     ssl_test_lib:check_result(Server, ok, Client, ok),
+%%     ssl_test_lib:close(Server),
+%%     ssl_test_lib:close(Client).
+
+
+%%--------------------------------------------------------------------
+no_reuses_session_server_restart_new_cert(doc) ->
+    ["Check that a session is not reused if the server is restarted with a new cert."];
+
+no_reuses_session_server_restart_new_cert(suite) ->
+    [];
+
+no_reuses_session_server_restart_new_cert(Config) when is_list(Config) ->
+
+    ClientOpts = ?config(client_opts, Config),
+    ServerOpts = ?config(server_opts, Config),
+    DsaServerOpts = ?config(server_dsa_opts, Config),
+    {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+    Server =
+	ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+				   {from, self()},
+		      {mfa, {?MODULE, session_info_result, []}},
+				   {options, ServerOpts}]),
+    Port = ssl_test_lib:inet_port(Server),
+    Client0 =
+	ssl_test_lib:start_client([{node, ClientNode},
+		      {port, Port}, {host, Hostname},
+			    {mfa, {ssl_test_lib, no_result, []}},
+		      {from, self()},  {options, ClientOpts}]),
+    SessionInfo =
+	receive
+	    {Server, Info} ->
+		Info
+	end,
+
+    %% Make sure session is registered
+    test_server:sleep(?SLEEP),
+    ssl_test_lib:close(Server),
+    ssl_test_lib:close(Client0),
+
+    Server1 =
+	ssl_test_lib:start_server([{node, ServerNode}, {port, Port},
+				   {from, self()},
+		      {mfa, {ssl_test_lib, no_result, []}},
+				   {options, DsaServerOpts}]),
+
+    Client1 =
+	ssl_test_lib:start_client([{node, ClientNode},
+		      {port, Port}, {host, Hostname},
+		      {mfa, {?MODULE, session_info_result, []}},
+		      {from, self()},  {options, ClientOpts}]),
+    receive
+	{Client1, SessionInfo} ->
+	    test_server:fail(session_reused_when_server_has_new_cert);
+	{Client1, _Other} ->
+	   ok
+    end,
+    ssl_test_lib:close(Server1),
+    ssl_test_lib:close(Client1).
+
+%%--------------------------------------------------------------------
+no_reuses_session_server_restart_new_cert_file(doc) ->
+    ["Check that a session is not reused if a server is restarted with a new "
+     "cert contained in a file with the same name as the old cert."];
+
+no_reuses_session_server_restart_new_cert_file(suite) ->
+    [];
+
+no_reuses_session_server_restart_new_cert_file(Config) when is_list(Config) ->
+    ClientOpts = ?config(client_opts, Config),
+    ServerOpts = ?config(server_verification_opts, Config),
+    DsaServerOpts = ?config(server_dsa_opts, Config),
+    PrivDir =  ?config(priv_dir, Config),
+
+    NewServerOpts = new_config(PrivDir, ServerOpts),
+    {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+    Server =
+	ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+				   {from, self()},
+		      {mfa, {?MODULE, session_info_result, []}},
+				   {options, NewServerOpts}]),
+    Port = ssl_test_lib:inet_port(Server),
+    Client0 =
+	ssl_test_lib:start_client([{node, ClientNode},
+		      {port, Port}, {host, Hostname},
+			    {mfa, {ssl_test_lib, no_result, []}},
+		      {from, self()},  {options, ClientOpts}]),
+    SessionInfo =
+	receive
+	    {Server, Info} ->
+		Info
+	end,
+
+    %% Make sure session is registered and we get
+    %% new file time stamp when calling new_config!
+    test_server:sleep(?SLEEP* 2),
+    ssl_test_lib:close(Server),
+    ssl_test_lib:close(Client0),
+
+    NewServerOpts = new_config(PrivDir, DsaServerOpts),
+
+    Server1 =
+	ssl_test_lib:start_server([{node, ServerNode}, {port, Port},
+				   {from, self()},
+		      {mfa, {ssl_test_lib, no_result, []}},
+				   {options, NewServerOpts}]),
+    Client1 =
+	ssl_test_lib:start_client([{node, ClientNode},
+		      {port, Port}, {host, Hostname},
+		      {mfa, {?MODULE, session_info_result, []}},
+				   {from, self()},  {options, ClientOpts}]),
+    receive
+	{Client1, SessionInfo} ->
+	    test_server:fail(session_reused_when_server_has_new_cert);
+	{Client1, _Other} ->
+	   ok
+    end,
+    ssl_test_lib:close(Server1),
+    ssl_test_lib:close(Client1).
+
+%%--------------------------------------------------------------------
+reuseaddr(doc) ->
+    [""];
+
+reuseaddr(suite) ->
+    [];
+
+reuseaddr(Config) when is_list(Config) ->
+    ClientOpts = ?config(client_opts, Config),
+    ServerOpts = ?config(server_opts, Config),
+    {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+    Server =
+	ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+				   {from, self()},
+				   {mfa, {ssl_test_lib, no_result, []}},
+				   {options,  [{active, false} | ServerOpts]}]),
+    Port = ssl_test_lib:inet_port(Server),
+    Client =
+	ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
+				   {host, Hostname},
+				   {from, self()},
+				   {mfa, {ssl_test_lib, no_result, []}},
+				   {options, [{active, false} | ClientOpts]}]),
+    test_server:sleep(?SLEEP),
+    ssl_test_lib:close(Server),
+
+    Server1 =
+	ssl_test_lib:start_server([{node, ServerNode}, {port, Port},
+				   {from, self()},
+				   {mfa, {?MODULE, send_recv_result, []}},
+				   {options,  [{active, false} | ServerOpts]}]),
+    Client1 =
+	ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
+				   {host, Hostname},
+				   {from, self()},
+				   {mfa, {?MODULE, send_recv_result, []}},
+				   {options, [{active, false} | ClientOpts]}]),
+
+    ssl_test_lib:check_result(Server1, ok, Client1, ok),
+    ssl_test_lib:close(Server1),
+    ssl_test_lib:close(Client1).
+
+%%--------------------------------------------------------------------
 %%% Internal functions
 %%--------------------------------------------------------------------
 erlang_ssl_receive(Socket, Data) ->
     receive
 	{ssl, Socket, Data} ->
-	    io:format("Received ~p~n",[Data]),
+	    test_server:format("Received ~p~n",[Data]),
 	    ok;
 	Other ->
 	    test_server:fail({unexpected_message, Other})
@@ -3087,7 +3244,6 @@ send_recv_result_active_once(Socket) ->
 result_ok(_Socket) ->
     ok.
 
-
 renegotiate(Socket, Data) ->
     test_server:format("Renegotiating ~n", []),
     Result = ssl:renegotiate(Socket),
@@ -3104,3 +3260,24 @@ renegotiate_reuse_session(Socket, Data) ->
     %% Make sure session is registerd
     test_server:sleep(?SLEEP),
     renegotiate(Socket, Data).
+
+
+new_config(PrivDir, ServerOpts0) ->
+    CaCertFile = proplists:get_value(cacertfile, ServerOpts0),
+    CertFile = proplists:get_value(certfile, ServerOpts0),
+    KeyFile = proplists:get_value(keyfile, ServerOpts0),
+    NewCaCertFile = filename:join(PrivDir, "new_ca.pem"),
+    NewCertFile = filename:join(PrivDir, "new_cert.pem"),
+    NewKeyFile = filename:join(PrivDir, "new_key.pem"),
+    file:copy(CaCertFile, NewCaCertFile),
+    file:copy(CertFile, NewCertFile),
+    file:copy(KeyFile, NewKeyFile),
+    ServerOpts1 = proplists:delete(cacertfile, ServerOpts0),
+    ServerOpts2 = proplists:delete(certfile, ServerOpts1),
+    ServerOpts = proplists:delete(keyfile, ServerOpts2),
+
+    {ok, PEM} = file:read_file(NewCaCertFile),
+    test_server:format("CA file content: ~p~n", [public_key:pem_decode(PEM)]),
+
+    [{cacertfile, NewCaCertFile}, {certfile, NewCertFile},
+     {keyfile, NewKeyFile} | ServerOpts].
diff --git a/lib/ssl/test/ssl_test_lib.erl b/lib/ssl/test/ssl_test_lib.erl
index e1e8214ed6..f6ccbe85e3 100644
--- a/lib/ssl/test/ssl_test_lib.erl
+++ b/lib/ssl/test/ssl_test_lib.erl
@@ -81,14 +81,20 @@ run_server(ListenSocket, Opts) ->
 	no_result_msg ->
 	    ok;
 	Msg ->
-	    test_server:format("Msg: ~p ~n", [Msg]),    
+	    test_server:format("Server Msg: ~p ~n", [Msg]),
 	    Pid ! {self(), Msg}
     end,
-    receive 
+    receive
 	listen ->
 	    run_server(ListenSocket, Opts);
+	{listen, MFA} ->
+	    run_server(ListenSocket, [MFA | proplists:delete(mfa, Opts)]);
 	close ->
-	    ok = rpc:call(Node, ssl, close, [AcceptSocket])
+	    test_server:format("Server closing  ~p ~n", [self()]),
+	    Result = rpc:call(Node, ssl, close, [AcceptSocket], 500),
+	    test_server:format("Result ~p ~n", [Result]);
+	{ssl_closed, _} ->
+	    ok
     end.
 
 %%% To enable to test with s_client -reconnect
@@ -151,19 +157,30 @@ run_client(Opts) ->
 		no_result_msg ->
 		    ok;
 		Msg ->
+		    test_server:format("Client Msg: ~p ~n", [Msg]),
 		    Pid ! {self(), Msg}
 	    end,
-	    receive 
+	    receive
 		close ->
-		    ok = rpc:call(Node, ssl, close, [Socket])
+		    test_server:format("Client closing~n", []),
+		    rpc:call(Node, ssl, close, [Socket]);
+		{ssl_closed, Socket} ->
+		    ok
 	    end;
 	{error, Reason} ->
-	    test_server:format("Client: connection failed: ~p ~n", [Reason]), 
+	    test_server:format("Client: connection failed: ~p ~n", [Reason]),
 	       Pid ! {self(), {error, Reason}}
     end.
 
 close(Pid) ->
-    Pid ! close.
+    test_server:format("Close ~p ~n", [Pid]),
+    Monitor = erlang:monitor(process, Pid),
+    Pid ! close,
+    receive
+	{'DOWN', Monitor, process, Pid, Reason} ->
+	    erlang:demonitor(Monitor),
+	    test_server:format("Pid: ~p down due to:~p ~n", [Pid, Reason])
+    end.
 
 check_result(Server, ServerMsg, Client, ClientMsg) -> 
     receive 
@@ -208,47 +225,27 @@ check_result(Pid, Msg) ->
 	    test_server:fail(Reason)
     end.
 
-check_result_ignore_renegotiation_reject(Pid, Msg) -> 
-    receive 
-	{Pid,  fail_session_fatal_alert_during_renegotiation} ->
-	    test_server:comment("Server rejected old renegotiation"),
-	    ok;
-	{ssl_error, _, esslconnect} ->
-	    test_server:comment("Server rejected old renegotiation"),
-	    ok;
-	{Pid, Msg} -> 
-	    ok;
-	{Port, {data,Debug}} when is_port(Port) ->
-	    io:format("openssl ~s~n",[Debug]),
-	    check_result(Pid,Msg);
-	Unexpected ->
-	    Reason = {{expected, {Pid, Msg}}, 
-		      {got, Unexpected}},
-	    test_server:fail(Reason)
-    end.
-
-
 wait_for_result(Server, ServerMsg, Client, ClientMsg) -> 
     receive 
 	{Server, ServerMsg} -> 
 	    receive 
 		{Client, ClientMsg} ->
-		    ok;
-		Unexpected ->
-		    Unexpected
+		    ok
+		%% Unexpected ->
+		%%     Unexpected
 	    end;
 	{Client, ClientMsg} -> 
 	    receive 
 		{Server, ServerMsg} ->
-		    ok;
-		Unexpected ->
-		    Unexpected
+		    ok
+		%% Unexpected ->
+		%%     Unexpected
 	    end;
 	{Port, {data,Debug}} when is_port(Port) ->
 	    io:format("openssl ~s~n",[Debug]),
-	    wait_for_result(Server, ServerMsg, Client, ClientMsg);
-	Unexpected ->
-	    Unexpected
+	    wait_for_result(Server, ServerMsg, Client, ClientMsg)
+	%% Unexpected ->
+	%%     Unexpected
     end.
 
 
@@ -258,9 +255,9 @@ wait_for_result(Pid, Msg) ->
 	    ok;
 	{Port, {data,Debug}} when is_port(Port) ->
 	    io:format("openssl ~s~n",[Debug]),
-	    wait_for_result(Pid,Msg);
-	Unexpected ->
-	    Unexpected
+	    wait_for_result(Pid,Msg)
+	%% Unexpected ->
+	%%     Unexpected
     end.
 
 cert_options(Config) ->
@@ -327,8 +324,8 @@ cert_options(Config) ->
 
 make_dsa_cert(Config) ->
     
-    {ServerCaCertFile, ServerCertFile, ServerKeyFile} = make_dsa_cert_files("server", Config),
-    {ClientCaCertFile, ClientCertFile, ClientKeyFile} = make_dsa_cert_files("client", Config),
+    {ServerCaCertFile, ServerCertFile, ServerKeyFile} = make_cert_files("server", Config, dsa, dsa, ""),
+    {ClientCaCertFile, ClientCertFile, ClientKeyFile} = make_cert_files("client", Config, dsa, dsa, ""),
     [{server_dsa_opts, [{ssl_imp, new},{reuseaddr, true}, 
 				 {cacertfile, ServerCaCertFile},
 				 {certfile, ServerCertFile}, {keyfile, ServerKeyFile}]},
@@ -342,22 +339,41 @@ make_dsa_cert(Config) ->
      | Config].
 
 
-    
-make_dsa_cert_files(RoleStr, Config) ->    
-    CaInfo = {CaCert, _} = erl_make_certs:make_cert([{key, dsa}]),
-    {Cert, CertKey} = erl_make_certs:make_cert([{key, dsa}, {issuer, CaInfo}]),
+make_mix_cert(Config) ->
+    {ServerCaCertFile, ServerCertFile, ServerKeyFile} = make_cert_files("server", Config, dsa,
+									rsa, "mix"),
+    {ClientCaCertFile, ClientCertFile, ClientKeyFile} = make_cert_files("client", Config, dsa,
+									rsa, "mix"),
+    [{server_mix_opts, [{ssl_imp, new},{reuseaddr, true},
+				 {cacertfile, ServerCaCertFile},
+				 {certfile, ServerCertFile}, {keyfile, ServerKeyFile}]},
+     {server_mix_verify_opts, [{ssl_imp, new},{reuseaddr, true},
+			       {cacertfile, ClientCaCertFile},
+			       {certfile, ServerCertFile}, {keyfile, ServerKeyFile},
+			       {verify, verify_peer}]},
+     {client_mix_opts, [{ssl_imp, new},{reuseaddr, true},
+			{cacertfile, ClientCaCertFile},
+			{certfile, ClientCertFile}, {keyfile, ClientKeyFile}]}
+     | Config].
+
+make_cert_files(RoleStr, Config, Alg1, Alg2, Prefix) ->
+    Alg1Str = atom_to_list(Alg1),
+    Alg2Str = atom_to_list(Alg2),
+    CaInfo = {CaCert, _} = erl_make_certs:make_cert([{key, Alg1}]),
+    {Cert, CertKey} = erl_make_certs:make_cert([{key, Alg2}, {issuer, CaInfo}]),
     CaCertFile = filename:join([?config(priv_dir, Config), 
-				RoleStr, "dsa_cacerts.pem"]),
+				RoleStr, Prefix ++ Alg1Str ++ "_cacerts.pem"]),
     CertFile = filename:join([?config(priv_dir, Config), 
-			      RoleStr, "dsa_cert.pem"]),
+			      RoleStr, Prefix ++ Alg2Str ++ "_cert.pem"]),
     KeyFile = filename:join([?config(priv_dir, Config), 
-				   RoleStr, "dsa_key.pem"]),
+				   RoleStr, Prefix ++ Alg2Str ++ "_key.pem"]),
     
     der_to_pem(CaCertFile, [{'Certificate', CaCert, not_encrypted}]),
     der_to_pem(CertFile, [{'Certificate', Cert, not_encrypted}]),
     der_to_pem(KeyFile, [CertKey]),
     {CaCertFile, CertFile, KeyFile}.
 
+
 start_upgrade_server(Args) ->
     Result = spawn_link(?MODULE, run_upgrade_server, [Args]),
     receive
@@ -395,10 +411,12 @@ run_upgrade_server(Opts) ->
 				end,
 	{Module, Function, Args} = proplists:get_value(mfa, Opts),
 	Msg = rpc:call(Node, Module, Function, [SslAcceptSocket | Args]),
+	test_server:format("Upgrade Server Msg: ~p ~n", [Msg]),
 	Pid ! {self(), Msg},
 	receive
 	    close ->
-		ok = rpc:call(Node, ssl, close, [SslAcceptSocket])
+		test_server:format("Upgrade Server closing~n", []),
+		rpc:call(Node, ssl, close, [SslAcceptSocket])
 	end
     catch error:{badmatch, Error} ->
 	    Pid ! {self(), Error}
@@ -428,10 +446,12 @@ run_upgrade_client(Opts) ->
     test_server:format("apply(~p, ~p, ~p)~n", 
 		       [Module, Function, [SslSocket | Args]]),
     Msg = rpc:call(Node, Module, Function, [SslSocket | Args]),
+    test_server:format("Upgrade Client Msg: ~p ~n", [Msg]),
     Pid ! {self(), Msg},
     receive 
 	close ->
-	    ok = rpc:call(Node, ssl, close, [SslSocket])
+	    test_server:format("Upgrade Client closing~n", []),
+	    rpc:call(Node, ssl, close, [SslSocket])
     end.
 
 start_upgrade_server_error(Args) ->
diff --git a/lib/ssl/test/ssl_to_openssl_SUITE.erl b/lib/ssl/test/ssl_to_openssl_SUITE.erl
index afedeaf099..46ad0c17b6 100644
--- a/lib/ssl/test/ssl_to_openssl_SUITE.erl
+++ b/lib/ssl/test/ssl_to_openssl_SUITE.erl
@@ -1164,10 +1164,6 @@ cipher(CipherSuite, Version, Config, ClientOpts, ServerOpts) ->
     close_port(OpenSslPort),
     %% Clean close down!
     ssl_test_lib:close(Client),
-    receive 
-	{'EXIT', Client, normal} ->
-	    ok
-    end,
     
     Return = case Result of
 		 ok ->
diff --git a/lib/ssl/vsn.mk b/lib/ssl/vsn.mk
index ee692adb3b..b1ae0db7e7 100644
--- a/lib/ssl/vsn.mk
+++ b/lib/ssl/vsn.mk
@@ -1,2 +1,2 @@
 
-SSL_VSN = 4.1.1
+SSL_VSN = 4.1.2