ssl: DTLS record handling

Also refactor so that TLS and DTLS can have common functions when possible.

1 files changed, 37 insertions, 0 deletions

diff --git a/lib/ssl/src/ssl_v2.erl b/lib/ssl/src/ssl_v2.erl
new file mode 100644
index 0000000000..07876366f1
--- /dev/null
+++ b/lib/ssl/src/ssl_v2.erl
@@ -0,0 +1,37 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2007-2013. 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%
+%%
+
+%%
+%%----------------------------------------------------------------------
+%% Purpose: Handles sslv2 hello as clients supporting sslv2 and higher
+%% will send an sslv2 hello.
+%%----------------------------------------------------------------------
+
+-module(ssl_v2).
+
+-export([client_random/2]).
+
+client_random(ChallengeData, 32) ->
+    ChallengeData;
+client_random(ChallengeData, N) when N > 32 ->
+    <<NewChallengeData:32/binary, _/binary>> = ChallengeData,
+    NewChallengeData;
+client_random(ChallengeData, N) ->
+    Pad = list_to_binary(lists:duplicate(N, 0)),
+    <<Pad/binary, ChallengeData/binary>>.