%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1999-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
-module(crypto_SUITE).
-include_lib("common_test/include/ct.hrl").
-export([all/0, suite/0,
t_md5/1,t_md5_update/1,error/1,unaligned_context/1,random_lists/1,
misc_errors/1]).
suite() ->
[{ct_hooks,[ts_install_cth]}].
all() ->
[t_md5, t_md5_update, error, unaligned_context,
random_lists, misc_errors].
%% Test crc32, adler32 and md5 error cases not covered by other tests"
misc_errors(Config) when is_list(Config) ->
ct:timetrap({minutes, 2}),
1 = erlang:adler32([]),
L = lists:duplicate(600,3),
1135871753 = erlang:adler32(L),
L2 = lists:duplicate(22000,3),
1100939744 = erlang:adler32(L2),
{'EXIT', {badarg,_}} = (catch erlang:adler32(L++[a])),
{'EXIT', {badarg,_}} = (catch erlang:crc32(L++[a])),
{'EXIT', {badarg,_}} = (catch erlang:crc32([1,2,3|<<25:7>>])),
{'EXIT', {badarg,_}} = (catch erlang:crc32([1,2,3|4])),
Big = 111111111111111111111111111111,
{'EXIT', {badarg,_}} = (catch erlang:crc32(Big,<<"hej">>)),
{'EXIT', {badarg,_}} = (catch erlang:crc32(25,[1,2,3|4])),
{'EXIT', {badarg,_}} = (catch erlang:crc32_combine(Big,3,3)),
{'EXIT', {badarg,_}} = (catch erlang:crc32_combine(3,Big,3)),
{'EXIT', {badarg,_}} = (catch erlang:crc32_combine(3,3,Big)),
{'EXIT', {badarg,_}} = (catch erlang:adler32(Big,<<"hej">>)),
{'EXIT', {badarg,_}} = (catch erlang:adler32(25,[1,2,3|4])),
{'EXIT', {badarg,_}} = (catch erlang:adler32_combine(Big,3,3)),
{'EXIT', {badarg,_}} = (catch erlang:adler32_combine(3,Big,3)),
{'EXIT', {badarg,_}} = (catch erlang:adler32_combine(3,3,Big)),
{'EXIT', {badarg,_}} = (catch erlang:md5_update(<<"hej">>,<<"hej">>)),
{'EXIT', {badarg,_}} = (catch erlang:md5_final(<<"hej">>)),
ok.
%%
%% Most of the real code for these test cases are in
%% the modules crypto_reference and random_iolist.
%%
-define(REF,crypto_reference).
nicesplit(N,L) ->
nicesplit(N,L,[]).
nicesplit(0,Tail,Acc) ->
{lists:reverse(Acc),Tail};
nicesplit(_,[],Acc) ->
{lists:reverse(Acc),[]};
nicesplit(N,[H|Tail],Acc) ->
nicesplit(N-1,Tail,[H|Acc]).
run_in_para([],_) ->
true;
run_in_para(FunList,Schedulers) ->
{ThisTime,NextTime} = nicesplit(Schedulers,FunList),
case length(ThisTime) of
1 ->
[{L,Fun}] = ThisTime,
try
Fun()
catch
_:Reason ->
exit({error_at_line,L,Reason})
end;
_ ->
These = [ {L,erlang:spawn_monitor(F)} || {L,F} <- ThisTime ],
collect_workers(These)
end,
run_in_para(NextTime,Schedulers).
collect_workers([]) ->
ok;
collect_workers([{L,{Pid,Ref}}|T]) ->
receive
{'DOWN',Ref,process,Pid,normal} ->
collect_workers(T);
{'DOWN',Ref,process,Pid,Other} ->
exit({error_at_line,L,Other})
end.
%% Test crc32, adler32 and md5 on a number of pseudo-randomly generated lists.
random_lists(Config) when is_list(Config) ->
ct:timetrap({minutes, 5}),
Num = erlang:system_info(schedulers_online),
B = list_to_binary(
lists:duplicate(
(erlang:system_info(context_reductions)*10) - 50,$!)),
CRC32_1 = fun(L) -> erlang:crc32(L) end,
CRC32_2 = fun(L) -> ?REF:crc32(L) end,
ADLER32_1 = fun(L) -> erlang:adler32(L) end,
ADLER32_2 = fun(L) -> ?REF:adler32(L) end,
MD5_1 = fun(L) -> erlang:md5(L) end,
MD5_2 = fun(L) -> ?REF:md5_final(
?REF:md5_update(?REF:md5_init(),L)) end,
MD5_3 = fun(L) -> erlang:md5_final(
erlang:md5_update(erlang:md5_init(),L)) end,
CRC32_1_L = fun(L) -> erlang:crc32([B|L]) end,
CRC32_2_L = fun(L) -> ?REF:crc32([B|L]) end,
ADLER32_1_L = fun(L) -> erlang:adler32([B|L]) end,
ADLER32_2_L = fun(L) -> ?REF:adler32([B|L]) end,
MD5_1_L = fun(L) -> erlang:md5([B|L]) end,
MD5_2_L = fun(L) -> ?REF:md5_final(
?REF:md5_update(?REF:md5_init(),[B|L])) end,
MD5_3_L = fun(L) -> erlang:md5_final(
erlang:md5_update(
erlang:md5_init(),[B|L])) end,
Wlist0 =
[{?LINE, fun() -> random_iolist:run(150, CRC32_1, CRC32_2) end},
{?LINE, fun() -> random_iolist:run(150, ADLER32_1, ADLER32_2) end},
{?LINE, fun() -> random_iolist:run(150,MD5_1,MD5_2) end},
{?LINE, fun() -> random_iolist:run(150,MD5_1,MD5_3) end},
{?LINE, fun() -> random_iolist:run(150, CRC32_1_L, CRC32_2_L) end},
{?LINE,
fun() -> random_iolist:run(150, ADLER32_1_L, ADLER32_2_L) end},
{?LINE, fun() -> random_iolist:run(150,MD5_1_L,MD5_2_L) end},
{?LINE, fun() -> random_iolist:run(150,MD5_1_L,MD5_3_L) end}],
run_in_para(Wlist0,Num),
CRC32_1_2 = fun(L1,L2) -> erlang:crc32([L1,L2]) end,
CRC32_2_2 = fun(L1,L2) -> erlang:crc32(erlang:crc32(L1),L2) end,
CRC32_3_2 = fun(L1,L2) -> erlang:crc32_combine(
erlang:crc32(L1),
erlang:crc32(L2),
erlang:iolist_size(L2))
end,
ADLER32_1_2 = fun(L1,L2) -> erlang:adler32([L1,L2]) end,
ADLER32_2_2 = fun(L1,L2) -> erlang:adler32(
erlang:adler32(L1),L2) end,
ADLER32_3_2 = fun(L1,L2) -> erlang:adler32_combine(
erlang:adler32(L1),
erlang:adler32(L2),
erlang:iolist_size(L2))
end,
MD5_1_2 = fun(L1,L2) -> erlang:md5([L1,L2]) end,
MD5_2_2 = fun(L1,L2) ->
erlang:md5_final(
erlang:md5_update(
erlang:md5_update(
erlang:md5_init(),
L1),
L2))
end,
CRC32_1_L_2 = fun(L1,L2) -> erlang:crc32([[B|L1],[B|L2]]) end,
CRC32_2_L_2 = fun(L1,L2) -> erlang:crc32(
erlang:crc32([B|L1]),[B|L2]) end,
CRC32_3_L_2 = fun(L1,L2) -> erlang:crc32_combine(
erlang:crc32([B|L1]),
erlang:crc32([B|L2]),
erlang:iolist_size([B|L2]))
end,
ADLER32_1_L_2 = fun(L1,L2) -> erlang:adler32([[B|L1],[B|L2]]) end,
ADLER32_2_L_2 = fun(L1,L2) -> erlang:adler32(
erlang:adler32([B|L1]),
[B|L2])
end,
ADLER32_3_L_2 = fun(L1,L2) -> erlang:adler32_combine(
erlang:adler32([B|L1]),
erlang:adler32([B|L2]),
erlang:iolist_size([B|L2]))
end,
MD5_1_L_2 = fun(L1,L2) -> erlang:md5([[B|L1],[B|L2]]) end,
MD5_2_L_2 = fun(L1,L2) ->
erlang:md5_final(
erlang:md5_update(
erlang:md5_update(
erlang:md5_init(),
[B|L1]),
[B|L2]))
end,
Wlist1 =
[{?LINE, fun() -> random_iolist:run2(150,CRC32_1_2,CRC32_2_2) end},
{?LINE, fun() -> random_iolist:run2(150,CRC32_1_2,CRC32_3_2) end},
{?LINE, fun() -> random_iolist:run2(150,ADLER32_1_2,ADLER32_2_2) end},
{?LINE, fun() -> random_iolist:run2(150,ADLER32_1_2,ADLER32_3_2) end},
{?LINE, fun() -> random_iolist:run2(150,MD5_1_2,MD5_2_2) end},
{?LINE, fun() -> random_iolist:run2(150,CRC32_1_L_2,CRC32_2_L_2) end},
{?LINE, fun() -> random_iolist:run2(150,CRC32_1_L_2,CRC32_3_L_2) end},
{?LINE,
fun() -> random_iolist:run2(150,ADLER32_1_L_2,ADLER32_2_L_2) end},
{?LINE,
fun() -> random_iolist:run2(150,ADLER32_1_L_2,ADLER32_3_L_2) end},
{?LINE, fun() -> random_iolist:run2(150,MD5_1_L_2,MD5_2_L_2) end}],
run_in_para(Wlist1,Num),
ok.
%% Generate MD5 message digests and check the result. Examples are from RFC-1321.
t_md5(Config) when is_list(Config) ->
t_md5_test("", "d41d8cd98f00b204e9800998ecf8427e"),
t_md5_test("a", "0cc175b9c0f1b6a831c399e269772661"),
t_md5_test("abc", "900150983cd24fb0d6963f7d28e17f72"),
t_md5_test(["message ","digest"], "f96b697d7cb7938d525a2f31aaf161d0"),
t_md5_test(["message ",unaligned_sub_bin(<<"digest">>)],
"f96b697d7cb7938d525a2f31aaf161d0"),
t_md5_test("abcdefghijklmnopqrstuvwxyz",
"c3fcd3d76192e4007dfb496cca67e13b"),
t_md5_test("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
"0123456789",
"d174ab98d277d9f5a5611c2c9f419d9f"),
t_md5_test("12345678901234567890123456789012345678901234567890"
"123456789012345678901234567890",
"57edf4a22be3c955ac49da2e2107b67a"),
ok.
%% Generate MD5 message using md5_init, md5_update, and md5_final, and
%% check the result. Examples are from RFC-1321.
t_md5_update(Config) when is_list(Config) ->
t_md5_update_1(fun(Str) -> Str end),
t_md5_update_1(fun(Str) -> list_to_binary(Str) end),
t_md5_update_1(fun(Str) -> unaligned_sub_bin(list_to_binary(Str)) end),
ok.
t_md5_update_1(Tr) when is_function(Tr, 1) ->
Ctx = erlang:md5_init(),
Ctx1 = erlang:md5_update(Ctx, Tr("ABCDEFGHIJKLMNOPQRSTUVWXYZ")),
Ctx2 = erlang:md5_update(Ctx1, Tr("abcdefghijklmnopqrstuvwxyz"
"0123456789")),
m(erlang:md5_final(Ctx2),
hexstr2bin("d174ab98d277d9f5a5611c2c9f419d9f")),
ok.
%%
%%
error(Config) when is_list(Config) ->
{'EXIT',{badarg,_}} = (catch erlang:md5(bit_sized_binary(<<"abc">>))),
Ctx0 = erlang:md5_init(),
{'EXIT',{badarg,_}} =
(catch erlang:md5_update(Ctx0, bit_sized_binary(<<"abcfjldjd">>))),
{'EXIT',{badarg,_}} =
(catch erlang:md5_update(Ctx0, ["something",bit_sized_binary(<<"abcfjldjd">>)])),
{'EXIT',{badarg,_}} =
(catch erlang:md5_update(bit_sized_binary(Ctx0), "something")),
{'EXIT',{badarg,_}} = (catch erlang:md5_final(bit_sized_binary(Ctx0))),
m(erlang:md5_final(Ctx0), hexstr2bin("d41d8cd98f00b204e9800998ecf8427e")),
ok.
%%
%%
unaligned_context(Config) when is_list(Config) ->
Ctx0 = erlang:md5_init(),
Ctx1 = erlang:md5_update(unaligned_sub_bin(Ctx0), "ABCDEFGHIJKLMNOPQRSTUVWXYZ"),
Ctx = erlang:md5_update(unaligned_sub_bin(Ctx1),
"abcdefghijklmnopqrstuvwxyz0123456789"),
m(erlang:md5_final(unaligned_sub_bin(Ctx)),
hexstr2bin("d174ab98d277d9f5a5611c2c9f419d9f")),
ok.
%%
%% Help functions
%%
t_md5_test(Str, ResultStr) ->
ResultBin = hexstr2bin(ResultStr),
m(erlang:md5(Str), ResultBin),
Bin = list_to_binary(Str),
m(erlang:md5(Bin), ResultBin),
UnalignedSubBin = unaligned_sub_bin(Bin),
m(erlang:md5(UnalignedSubBin), ResultBin).
m(X, X) -> true.
hexstr2bin(S) ->
list_to_binary(hexstr2list(S)).
hexstr2list([X,Y|T]) ->
[mkint(X)*16 + mkint(Y) | hexstr2list(T)];
hexstr2list([]) ->
[].
mkint(C) when $0 =< C, C =< $9 ->
C - $0;
mkint(C) when $A =< C, C =< $F ->
C - $A + 10;
mkint(C) when $a =< C, C =< $f ->
C - $a + 10.
unaligned_sub_bin(Bin0) ->
Bin1 = <<0:3,Bin0/binary,31:5>>,
Sz = size(Bin0),
<<0:3,Bin:Sz/binary,31:5>> = id(Bin1),
Bin.
%% Add 1 bit to the size of the binary.
bit_sized_binary(Bin0) ->
Bin = <<Bin0/binary,1:1>>,
BitSize = bit_size(Bin),
BitSize = 8*size(Bin) + 1,
Bin.
id(I) -> I.
