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authorIngela Anderton Andin <[email protected]>2013-08-29 10:10:55 +0200
committerIngela Anderton Andin <[email protected]>2013-09-02 09:39:21 +0200
commitc7ce9238217a2d0ca5bfbdeb25922495ef1d584a (patch)
treec129659efec88eaa1770bf908716cab36e0be835 /lib/ssl/src
parentc2045419346ea46f3f8ad89dfedd5169adb7c9c4 (diff)
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ssl: Skip second length indicator in EC extensions
We have no need to care about the value of this length indicator so we do not need to match it or verify it, it is unnecessary work.
Diffstat (limited to 'lib/ssl/src')
-rw-r--r--lib/ssl/src/tls_handshake.erl6
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/ssl/src/tls_handshake.erl b/lib/ssl/src/tls_handshake.erl
index fdd696c0b1..bd2e02449b 100644
--- a/lib/ssl/src/tls_handshake.erl
+++ b/lib/ssl/src/tls_handshake.erl
@@ -1344,16 +1344,14 @@ dec_hello_extensions(<<?UINT16(?SIGNATURE_ALGORITHMS_EXT), ?UINT16(Len),
dec_hello_extensions(<<?UINT16(?ELLIPTIC_CURVES_EXT), ?UINT16(Len),
ExtData:Len/binary, Rest/binary>>, Acc) ->
- EllipticCurveListLen = Len - 2,
- <<?UINT16(EllipticCurveListLen), EllipticCurveList/binary>> = ExtData,
+ <<?UINT16(_), EllipticCurveList/binary>> = ExtData,
EllipticCurves = [ssl_tls1:enum_to_oid(X) || <<X:16>> <= EllipticCurveList],
dec_hello_extensions(Rest, [{elliptic_curves,
#elliptic_curves{elliptic_curve_list = EllipticCurves}} | Acc]);
dec_hello_extensions(<<?UINT16(?EC_POINT_FORMATS_EXT), ?UINT16(Len),
ExtData:Len/binary, Rest/binary>>, Acc) ->
- ECPointFormatListLen = Len - 1,
- <<?BYTE(ECPointFormatListLen), ECPointFormatList/binary>> = ExtData,
+ <<?BYTE(_), ECPointFormatList/binary>> = ExtData,
ECPointFormats = binary_to_list(ECPointFormatList),
dec_hello_extensions(Rest, [{ec_point_formats,
#ec_point_formats{ec_point_format_list = ECPointFormats}} | Acc]);