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-rw-r--r--lib/ssl/src/tls_record.erl27
1 files changed, 13 insertions, 14 deletions
diff --git a/lib/ssl/src/tls_record.erl b/lib/ssl/src/tls_record.erl
index ce7edc9dcd..cf0690f2a5 100644
--- a/lib/ssl/src/tls_record.erl
+++ b/lib/ssl/src/tls_record.erl
@@ -113,7 +113,7 @@ encode_handshake(Frag, Version,
ConnectionStates) ->
case iolist_size(Frag) of
N when N > ?MAX_PLAIN_TEXT_LENGTH ->
- Data = split_bin(iolist_to_binary(Frag), ?MAX_PLAIN_TEXT_LENGTH, Version, BCA, BeastMitigation),
+ Data = split_bin(iolist_to_binary(Frag), Version, BCA, BeastMitigation),
encode_iolist(?HANDSHAKE, Data, Version, ConnectionStates);
_ ->
encode_plain_text(?HANDSHAKE, Version, Frag, ConnectionStates)
@@ -150,7 +150,7 @@ encode_data(Frag, Version,
security_parameters :=
#security_parameters{bulk_cipher_algorithm = BCA}}} =
ConnectionStates) ->
- Data = split_bin(Frag, ?MAX_PLAIN_TEXT_LENGTH, Version, BCA, BeastMitigation),
+ Data = split_bin(Frag, Version, BCA, BeastMitigation),
encode_iolist(?APPLICATION_DATA, Data, Version, ConnectionStates).
%%====================================================================
@@ -485,27 +485,26 @@ start_additional_data(Type, {MajVer, MinVer},
%% 1/n-1 splitting countermeasure Rizzo/Duong-Beast, RC4 chiphers are
%% not vulnerable to this attack.
-split_bin(<<FirstByte:8, Rest/binary>>, ChunkSize, Version, BCA, one_n_minus_one) when
+split_bin(<<FirstByte:8, Rest/binary>>, Version, BCA, one_n_minus_one) when
BCA =/= ?RC4 andalso ({3, 1} == Version orelse
{3, 0} == Version) ->
- do_split_bin(Rest, ChunkSize, [[FirstByte]]);
+ [[FirstByte]|do_split_bin(Rest)];
%% 0/n splitting countermeasure for clients that are incompatible with 1/n-1
%% splitting.
-split_bin(Bin, ChunkSize, Version, BCA, zero_n) when
+split_bin(Bin, Version, BCA, zero_n) when
BCA =/= ?RC4 andalso ({3, 1} == Version orelse
{3, 0} == Version) ->
- do_split_bin(Bin, ChunkSize, [[<<>>]]);
-split_bin(Bin, ChunkSize, _, _, _) ->
- do_split_bin(Bin, ChunkSize, []).
+ [<<>>|do_split_bin(Bin)];
+split_bin(Bin, _, _, _) ->
+ do_split_bin(Bin).
-do_split_bin(<<>>, _, Acc) ->
- lists:reverse(Acc);
-do_split_bin(Bin, ChunkSize, Acc) ->
+do_split_bin(<<>>) -> [];
+do_split_bin(Bin) ->
case Bin of
- <<Chunk:ChunkSize/binary, Rest/binary>> ->
- do_split_bin(Rest, ChunkSize, [Chunk | Acc]);
+ <<Chunk:?MAX_PLAIN_TEXT_LENGTH/binary, Rest/binary>> ->
+ [Chunk|do_split_bin(Rest)];
_ ->
- lists:reverse(Acc, [Bin])
+ [Bin]
end.
%%--------------------------------------------------------------------
lowest_list_protocol_version(Ver, []) ->