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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 1999-2009. 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%
+%%
+
+-module(crypto_SUITE).
+
+-include("test_server.hrl").
+
+-export([all/1,
+ t_md5/1,t_md5_update/1,error/1,unaligned_context/1,random_lists/1,
+ misc_errors/1]).
+
+all(suite) ->
+ [t_md5,t_md5_update,error,unaligned_context,random_lists,misc_errors].
+
+
+misc_errors(doc) ->
+ ["Test crc32, adler32 and md5 error cases not covered by other tests"];
+misc_errors(suite) ->
+ [];
+misc_errors(Config) when is_list(Config) ->
+ ?line Dog = test_server:timetrap(test_server:minutes(2)),
+ ?line 1 = erlang:adler32([]),
+ ?line L = lists:duplicate(600,3),
+ ?line 1135871753 = erlang:adler32(L),
+ ?line L2 = lists:duplicate(22000,3),
+ ?line 1100939744 = erlang:adler32(L2),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:adler32(L++[a])),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:crc32(L++[a])),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:crc32([1,2,3|<<25:7>>])),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:crc32([1,2,3|4])),
+ ?line Big = 111111111111111111111111111111,
+ ?line {'EXIT', {badarg,_}} = (catch erlang:crc32(Big,<<"hej">>)),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:crc32(25,[1,2,3|4])),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:crc32_combine(Big,3,3)),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:crc32_combine(3,Big,3)),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:crc32_combine(3,3,Big)),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:adler32(Big,<<"hej">>)),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:adler32(25,[1,2,3|4])),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:adler32_combine(Big,3,3)),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:adler32_combine(3,Big,3)),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:adler32_combine(3,3,Big)),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:md5_update(<<"hej">>,<<"hej">>)),
+ ?line {'EXIT', {badarg,_}} = (catch erlang:md5_final(<<"hej">>)),
+ ?line test_server:timetrap_cancel(Dog),
+ 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.
+
+random_lists(doc) ->
+ ["Test crc32, adler32 and md5 on a number of pseudo-randomly generated "
+ "lists."];
+random_lists(suite) ->
+ [];
+random_lists(Config) when is_list(Config) ->
+ ?line Dog = test_server:timetrap(test_server:minutes(5)),
+ ?line Num = erlang:system_info(schedulers_online),
+ ?line B = list_to_binary(
+ lists:duplicate(
+ (erlang:system_info(context_reductions)*10) - 50,$!)),
+ ?line CRC32_1 = fun(L) -> erlang:crc32(L) end,
+ ?line CRC32_2 = fun(L) -> ?REF:crc32(L) end,
+ ?line ADLER32_1 = fun(L) -> erlang:adler32(L) end,
+ ?line ADLER32_2 = fun(L) -> ?REF:adler32(L) end,
+ ?line MD5_1 = fun(L) -> erlang:md5(L) end,
+ ?line MD5_2 = fun(L) -> ?REF:md5_final(
+ ?REF:md5_update(?REF:md5_init(),L)) end,
+ ?line MD5_3 = fun(L) -> erlang:md5_final(
+ erlang:md5_update(erlang:md5_init(),L)) end,
+ ?line CRC32_1_L = fun(L) -> erlang:crc32([B|L]) end,
+ ?line CRC32_2_L = fun(L) -> ?REF:crc32([B|L]) end,
+ ?line ADLER32_1_L = fun(L) -> erlang:adler32([B|L]) end,
+ ?line ADLER32_2_L = fun(L) -> ?REF:adler32([B|L]) end,
+ ?line MD5_1_L = fun(L) -> erlang:md5([B|L]) end,
+ ?line MD5_2_L = fun(L) -> ?REF:md5_final(
+ ?REF:md5_update(?REF:md5_init(),[B|L])) end,
+ ?line MD5_3_L = fun(L) -> erlang:md5_final(
+ erlang:md5_update(
+ erlang:md5_init(),[B|L])) end,
+ ?line 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}],
+ ?line run_in_para(Wlist0,Num),
+ ?line CRC32_1_2 = fun(L1,L2) -> erlang:crc32([L1,L2]) end,
+ ?line CRC32_2_2 = fun(L1,L2) -> erlang:crc32(erlang:crc32(L1),L2) end,
+ ?line CRC32_3_2 = fun(L1,L2) -> erlang:crc32_combine(
+ erlang:crc32(L1),
+ erlang:crc32(L2),
+ erlang:iolist_size(L2))
+ end,
+ ?line ADLER32_1_2 = fun(L1,L2) -> erlang:adler32([L1,L2]) end,
+ ?line ADLER32_2_2 = fun(L1,L2) -> erlang:adler32(
+ erlang:adler32(L1),L2) end,
+ ?line ADLER32_3_2 = fun(L1,L2) -> erlang:adler32_combine(
+ erlang:adler32(L1),
+ erlang:adler32(L2),
+ erlang:iolist_size(L2))
+ end,
+ ?line MD5_1_2 = fun(L1,L2) -> erlang:md5([L1,L2]) end,
+ ?line MD5_2_2 = fun(L1,L2) ->
+ erlang:md5_final(
+ erlang:md5_update(
+ erlang:md5_update(
+ erlang:md5_init(),
+ L1),
+ L2))
+ end,
+ ?line CRC32_1_L_2 = fun(L1,L2) -> erlang:crc32([[B|L1],[B|L2]]) end,
+ ?line CRC32_2_L_2 = fun(L1,L2) -> erlang:crc32(
+ erlang:crc32([B|L1]),[B|L2]) end,
+ ?line CRC32_3_L_2 = fun(L1,L2) -> erlang:crc32_combine(
+ erlang:crc32([B|L1]),
+ erlang:crc32([B|L2]),
+ erlang:iolist_size([B|L2]))
+ end,
+ ?line ADLER32_1_L_2 = fun(L1,L2) -> erlang:adler32([[B|L1],[B|L2]]) end,
+ ?line ADLER32_2_L_2 = fun(L1,L2) -> erlang:adler32(
+ erlang:adler32([B|L1]),
+ [B|L2])
+ end,
+ ?line ADLER32_3_L_2 = fun(L1,L2) -> erlang:adler32_combine(
+ erlang:adler32([B|L1]),
+ erlang:adler32([B|L2]),
+ erlang:iolist_size([B|L2]))
+ end,
+ ?line MD5_1_L_2 = fun(L1,L2) -> erlang:md5([[B|L1],[B|L2]]) end,
+ ?line MD5_2_L_2 = fun(L1,L2) ->
+ erlang:md5_final(
+ erlang:md5_update(
+ erlang:md5_update(
+ erlang:md5_init(),
+ [B|L1]),
+ [B|L2]))
+ end,
+ ?line 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}],
+ ?line run_in_para(Wlist1,Num),
+ ?line test_server:timetrap_cancel(Dog),
+ ok.
+
+%%
+%%
+t_md5(doc) ->
+ ["Generate MD5 message digests and check the result. Examples are "
+ "from RFC-1321."];
+t_md5(Config) when is_list(Config) ->
+ ?line t_md5_test("", "d41d8cd98f00b204e9800998ecf8427e"),
+ ?line t_md5_test("a", "0cc175b9c0f1b6a831c399e269772661"),
+ ?line t_md5_test("abc", "900150983cd24fb0d6963f7d28e17f72"),
+ ?line t_md5_test(["message ","digest"], "f96b697d7cb7938d525a2f31aaf161d0"),
+ ?line t_md5_test(["message ",unaligned_sub_bin(<<"digest">>)],
+ "f96b697d7cb7938d525a2f31aaf161d0"),
+ ?line t_md5_test("abcdefghijklmnopqrstuvwxyz",
+ "c3fcd3d76192e4007dfb496cca67e13b"),
+ ?line t_md5_test("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+ "0123456789",
+ "d174ab98d277d9f5a5611c2c9f419d9f"),
+ ?line t_md5_test("12345678901234567890123456789012345678901234567890"
+ "123456789012345678901234567890",
+ "57edf4a22be3c955ac49da2e2107b67a"),
+ ok.
+
+%%
+%%
+t_md5_update(doc) ->
+ ["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) ->
+ ?line t_md5_update_1(fun(Str) -> Str end),
+ ?line t_md5_update_1(fun(Str) -> list_to_binary(Str) end),
+ ?line 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) ->
+ ?line {'EXIT',{badarg,_}} = (catch erlang:md5(bit_sized_binary(<<"abc">>))),
+ ?line Ctx0 = erlang:md5_init(),
+ ?line {'EXIT',{badarg,_}} =
+ (catch erlang:md5_update(Ctx0, bit_sized_binary(<<"abcfjldjd">>))),
+ ?line {'EXIT',{badarg,_}} =
+ (catch erlang:md5_update(Ctx0, ["something",bit_sized_binary(<<"abcfjldjd">>)])),
+ ?line {'EXIT',{badarg,_}} =
+ (catch erlang:md5_update(bit_sized_binary(Ctx0), "something")),
+ ?line {'EXIT',{badarg,_}} = (catch erlang:md5_final(bit_sized_binary(Ctx0))),
+ ?line m(erlang:md5_final(Ctx0), hexstr2bin("d41d8cd98f00b204e9800998ecf8427e")),
+ ok.
+
+
+%%
+%%
+unaligned_context(Config) when is_list(Config) ->
+ ?line Ctx0 = erlang:md5_init(),
+ ?line Ctx1 = erlang:md5_update(unaligned_sub_bin(Ctx0), "ABCDEFGHIJKLMNOPQRSTUVWXYZ"),
+ ?line Ctx = erlang:md5_update(unaligned_sub_bin(Ctx1),
+ "abcdefghijklmnopqrstuvwxyz0123456789"),
+ ?line 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.
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 09:15:26 +0000