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| author | Sverker Eriksson <[email protected]> | 2010-06-09 12:01:01 +0000 |
|---|---|---|
| committer | Erlang/OTP <[email protected]> | 2010-06-09 14:19:56 +0200 |
| commit | 8e7719b8a5ae1d9e2e464d6d1a7abe502e0f9cd3 (patch) | |
| tree | 800d8c61206b3cd585f78e3110dba994bcd33ccc /lib/crypto/test | |
| parent | 5cec02b04436ac121d95cec59c98ced8deb477d8 (diff) | |
| download | otp-8e7719b8a5ae1d9e2e464d6d1a7abe502e0f9cd3.tar.gz otp-8e7719b8a5ae1d9e2e464d6d1a7abe502e0f9cd3.tar.bz2 otp-8e7719b8a5ae1d9e2e464d6d1a7abe502e0f9cd3.zip | |
OTP-8700 crypto:dss_sign and dss_verify with pre-hashed digest.
New variants of crypto:dss_sign and crypto:dss_verify with an extra
argument to control how the digest is calculated.
Diffstat (limited to 'lib/crypto/test')
| -rw-r--r-- | lib/crypto/test/crypto_SUITE.erl | 42 |
1 files changed, 33 insertions, 9 deletions
diff --git a/lib/crypto/test/crypto_SUITE.erl b/lib/crypto/test/crypto_SUITE.erl index 08d7a0ce99..576949d38d 100644 --- a/lib/crypto/test/crypto_SUITE.erl +++ b/lib/crypto/test/crypto_SUITE.erl @@ -770,18 +770,18 @@ dsa_verify_test(Config) when is_list(Config) -> crypto:mpint(Key) ], - ?line m(crypto:dss_verify(sized_binary(Msg), sized_binary(SigBlob), + ?line m(my_dss_verify(sized_binary(Msg), sized_binary(SigBlob), ValidKey), true), BadMsg = one_bit_wrong(Msg), - ?line m(crypto:dss_verify(sized_binary(BadMsg), sized_binary(SigBlob), + ?line m(my_dss_verify(sized_binary(BadMsg), sized_binary(SigBlob), ValidKey), false), BadSig = one_bit_wrong(SigBlob), - ?line m(crypto:dss_verify(sized_binary(Msg), sized_binary(BadSig), + ?line m(my_dss_verify(sized_binary(Msg), sized_binary(BadSig), ValidKey), false), SizeErr = size(SigBlob) - 13, - BadArg = (catch crypto:dss_verify(sized_binary(Msg), <<SizeErr:32, SigBlob/binary>>, + BadArg = (catch my_dss_verify(sized_binary(Msg), <<SizeErr:32, SigBlob/binary>>, ValidKey)), ?line m(element(1,element(2,BadArg)), badarg), @@ -791,9 +791,12 @@ dsa_verify_test(Config) when is_list(Config) -> crypto:mpint(Key+17) ], - ?line m(crypto:dss_verify(sized_binary(Msg), sized_binary(SigBlob), + ?line m(my_dss_verify(sized_binary(Msg), sized_binary(SigBlob), InValidKey), false). + +one_bit_wrong(List) when is_list(List) -> + lists:map(fun(Bin) -> one_bit_wrong(Bin) end, List); one_bit_wrong(Bin) -> Half = size(Bin) div 2, <<First:Half/binary, Byte:8, Last/binary>> = Bin, @@ -843,15 +846,15 @@ dsa_sign_test(Config) when is_list(Config) -> ParamG = 18320614775012672475365915366944922415598782131828709277168615511695849821411624805195787607930033958243224786899641459701930253094446221381818858674389863050420226114787005820357372837321561754462061849169568607689530279303056075793886577588606958623645901271866346406773590024901668622321064384483571751669, Params = [crypto:mpint(ParamP), crypto:mpint(ParamQ), crypto:mpint(ParamG)], - ?line Sig1 = crypto:dss_sign(sized_binary(Msg), Params ++ [crypto:mpint(PrivKey)]), + ?line Sig1 = my_dss_sign(sized_binary(Msg), Params ++ [crypto:mpint(PrivKey)]), - ?line m(crypto:dss_verify(sized_binary(Msg), sized_binary(Sig1), + ?line m(my_dss_verify(sized_binary(Msg), Sig1, Params ++ [crypto:mpint(PubKey)]), true), - ?line m(crypto:dss_verify(sized_binary(one_bit_wrong(Msg)), sized_binary(Sig1), + ?line m(my_dss_verify(sized_binary(one_bit_wrong(Msg)), Sig1, Params ++ [crypto:mpint(PubKey)]), false), - ?line m(crypto:dss_verify(sized_binary(Msg), sized_binary(one_bit_wrong(Sig1)), + ?line m(my_dss_verify(sized_binary(Msg), one_bit_wrong(Sig1), Params ++ [crypto:mpint(PubKey)]), false), %%?line Bad = crypto:dss_sign(sized_binary(Msg), [Params, crypto:mpint(PubKey)]), @@ -1132,3 +1135,24 @@ zero_bin(N) when is_integer(N) -> <<0:N8/integer>>; zero_bin(B) when is_binary(B) -> zero_bin(size(B)). + +my_dss_verify(Data,[Sign|Tail],Key) -> + Res = my_dss_verify(Data,sized_binary(Sign),Key), + case Tail of + [] -> Res; + _ -> ?line Res = my_dss_verify(Data,Tail,Key) + end; +my_dss_verify(Data,Sign,Key) -> + ?line Res = crypto:dss_verify(Data, Sign, Key), + ?line Res = crypto:dss_verify(sha, Data, Sign, Key), + ?line <<_:32,Raw/binary>> = Data, + ?line Res = crypto:dss_verify(none, crypto:sha(Raw), Sign, Key), + Res. + +my_dss_sign(Data,Key) -> + ?line S1 = crypto:dss_sign(Data, Key), + ?line S2 = crypto:dss_sign(sha, Data, Key), + ?line <<_:32,Raw/binary>> = Data, + ?line S3 = crypto:dss_sign(none, crypto:sha(Raw), Key), + [S1,S2,S3]. + |