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authorJohn Högberg <[email protected]>2018-07-18 10:23:51 +0200
committerHans Nilsson <[email protected]>2018-08-09 16:41:09 +0200
commit806a409df7cf2b07a39b3876fd36099579df126a (patch)
tree2cabffbb3f0ec80d3fb71152b8dbd0777e34632d /lib/crypto/test/crypto_SUITE.erl
parentdb6059a9217767a6e42e93cec05089c0ec977d20 (diff)
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crypto: Fix crash in compute_key(ecdh, ...) on badarg
When term2point was passed a non-binary argument, `my_ecpoint` would be left uninitialized and the cleanup code would free a garbage pointer.
Diffstat (limited to 'lib/crypto/test/crypto_SUITE.erl')
-rw-r--r--lib/crypto/test/crypto_SUITE.erl17
1 files changed, 16 insertions, 1 deletions
diff --git a/lib/crypto/test/crypto_SUITE.erl b/lib/crypto/test/crypto_SUITE.erl
index 6dab459df6..c07e937737 100644
--- a/lib/crypto/test/crypto_SUITE.erl
+++ b/lib/crypto/test/crypto_SUITE.erl
@@ -31,6 +31,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[app,
+ {group, api_errors},
appup,
{group, fips},
{group, non_fips},
@@ -169,7 +170,8 @@ groups() ->
{no_aes_ige256, [], [no_support, no_block]},
{no_chacha20_poly1305, [], [no_support, no_aead]},
{no_rc2_cbc, [], [no_support, no_block]},
- {no_rc4, [], [no_support, no_stream]}
+ {no_rc4, [], [no_support, no_stream]},
+ {api_errors, [], [api_errors_ecdh]}
].
%%-------------------------------------------------------------------
@@ -237,6 +239,8 @@ init_per_group(non_fips, Config) ->
_NotEnabled ->
NonFIPSConfig
end;
+init_per_group(api_errors, Config) ->
+ Config;
init_per_group(GroupName, Config) ->
case atom_to_list(GroupName) of
"no_" ++ TypeStr ->
@@ -2491,3 +2495,14 @@ parse_rsp_cmac(Type, Key0, Msg0, Mlen0, Tlen, MAC0, Next, Acc) ->
I ->
parse_rsp(Type, Next, [{Type, Key, Msg, I, MAC}|Acc])
end.
+
+api_errors_ecdh(Config) when is_list(Config) ->
+ %% Check that we don't segfault when fed garbage.
+ Test = fun(Others, Curve) ->
+ {_Pub, Priv} = crypto:generate_key(ecdh, Curve),
+ crypto:compute_key(ecdh, Others, Priv, Curve)
+ end,
+ Others = [gurka, 0, <<0>>],
+ Curves = [gaffel, 0, sect571r1],
+ [_= (catch Test(O, C)) || O <- Others, C <- Curves],
+ ok.