QPQ-AG/enacl
10
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add timing for all missing operations.

Browse Source
This commit is contained in:
Jesper Louis Andersen 2014-11-29 15:49:13 +01:00
parent d46ae1da16
commit 2724873f2f
3 changed files with 156 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/enacl.erl
View File

@ -72,6 +72,8 @@
-define(HASH_REDUCTIONS, 2 * 200).
-define(BOX_SIZE, 32 * 1024).
-define(BOX_REDUCTIONS, 2 * 250).
-define(SIGN_SIZE, 16 * 1024).
-define(SIGN_REDUCTIONS, 2 * 350).
%% Count reductions and number of scheduler yields for Fun. Fun is assumed
%% to be one of the above exor variants.
@ -218,7 +220,12 @@ sign_keypair() ->
M :: binary(),
SK :: binary(),
SM :: binary().
sign(M, SK) -> enacl_nif:crypto_sign(M, SK).
sign(M, SK) when byte_size(M) =< ?SIGN_SIZE ->
R = enacl_nif:crypto_sign_b(M, SK),
bump(?SIGN_REDUCTIONS, ?SIGN_SIZE, byte_size(M)),
R;
sign(M, SK) ->
enacl_nif:crypto_sign(M, SK).
%% @doc sign_open/2 opens a digital signature
%% Given a signed message `SM' and a public key `PK', verify that the message has the right signature. Returns either
@ -229,6 +236,13 @@ sign(M, SK) -> enacl_nif:crypto_sign(M, SK).
SM :: binary(),
PK :: binary(),
M :: binary().
sign_open(SM, PK) when byte_size(SM) =< ?SIGN_SIZE ->
R = case enacl_nif:crypto_sign_open(SM, PK) of
M when is_binary(M) -> {ok, M};
{error, Err} -> {error, Err}
end,
bump(?SIGN_REDUCTIONS, ?SIGN_SIZE, byte_size(SM)),
R;
sign_open(SM, PK) ->
case enacl_nif:crypto_sign_open(SM, PK) of
M when is_binary(M) -> {ok, M};

8
src/enacl_nif.erl
View File

@ -113,10 +113,10 @@ crypto_secretbox_ZEROBYTES() -> not_loaded().
crypto_secretbox_KEYBYTES() -> not_loaded().
crypto_secretbox_BOXZEROBYTES() -> not_loaded().
crypto_secretbox(_CipherText, _Nonce, _Key) -> not_loaded().
crypto_secretbox_b(_CipherText, _Nonce, _Key) -> not_loaded().
crypto_secretbox_open(_CipherText, _Nonce, _Key) -> not_loaded().
crypto_secretbox_open_b(_CipherText, _Nonce, _Key) -> not_loaded().
crypto_secretbox(_Msg, _Nonce, _Key) -> not_loaded().
crypto_secretbox_b(_Msg, _Nonce, _Key) -> not_loaded().
crypto_secretbox_open(_Msg, _Nonce, _Key) -> not_loaded().
crypto_secretbox_open_b(_Msg, _Nonce, _Key) -> not_loaded().
crypto_stream_KEYBYTES() -> not_loaded().
crypto_stream_NONCEBYTES() -> not_loaded().

143
src/enacl_timing.erl
View File

@ -6,10 +6,145 @@
all() ->
[time_hashing(),
time_box()].
time_box(),
time_sign(),
time_secretbox(),
time_stream(),
time_auth(),
time_onetimeauth()].
-define(ROUNDS, 300).
%% ONETIMEAUTH
%% ------------
time_onetimeauth() ->
Sz = 1024 * 128,
M = binary:copy(<<0>>, Sz),
K = <<"secretsecretsecretsecretsecret32">>,
T = timed(fun() -> onetime_auth(M, K, ?ROUNDS) end) / ?ROUNDS,
A = enacl:onetime_auth(M, K),
T2 = timed(fun() -> onetime_auth_verify(A, M, K, ?ROUNDS) end) / ?ROUNDS,
true = enacl:onetime_auth_verify(A, M, K),
[
#{ size => Sz, time => T, operation => onetime_auth },
#{ size => Sz, time => T2, operation => onetime_auth_verify }
].
onetime_auth(_M, _K, 0) -> ok;
onetime_auth(M, K, N) ->
enacl_nif:crypto_onetimeauth_b(M, K),
onetime_auth(M, K, N-1).
onetime_auth_verify(_A, _M, _K, 0) -> ok;
onetime_auth_verify(A, M, K, N) ->
enacl_nif:crypto_onetimeauth_verify_b(A, M, K),
onetime_auth_verify(A, M, K, N-1).
%% AUTH
%% -----------
time_auth() ->
Sz = 1024 * 32,
M = binary:copy(<<0>>, Sz),
K = <<"secretsecretsecretsecretsecret32">>,
T = timed(fun() -> auth(M, K, ?ROUNDS) end) / ?ROUNDS,
A = enacl:auth(M, K),
T2 = timed(fun() -> auth_verify(A, M, K, ?ROUNDS) end) / ?ROUNDS,
true = enacl:auth_verify(A, M, K),
[
#{ size => Sz, time => T, operation => auth },
#{ size => Sz, time => T2, operation => auth_verify }
].
auth(_M, _K, 0) -> ok;
auth(M, K, N) ->
enacl_nif:crypto_auth_b(M, K),
auth(M, K, N-1).
auth_verify(_A, _M, _K, 0) -> ok;
auth_verify(A, M, K, N) ->
enacl_nif:crypto_auth_verify_b(A, M, K),
auth(M, K, N-1).
%% STREAM
%% -----------
time_stream() ->
Sz = 1024 * 128,
K = <<"secretsecretsecretsecretsecret32">>,
Nonce = <<0:192>>,
T = timed(fun () -> stream(Sz, Nonce, K, ?ROUNDS) end) / ?ROUNDS,
M = binary:copy(<<0>>, Sz),
T2 = timed(fun () -> stream_xor(M, Nonce, K, ?ROUNDS) end) / ?ROUNDS,
[
#{ size => Sz, time => T, operation => stream },
#{ size => Sz, time => T2, operation => stream_xor }
].
stream(_Sz, _Nonce, _K, 0) -> ok;
stream(Sz, Nonce, K, N) ->
enacl_nif:crypto_stream_b(Sz, Nonce, K),
stream(Sz, Nonce, K, N-1).
stream_xor(_M, _Nonce, _K, 0) -> ok;
stream_xor(M, Nonce, K, N) ->
enacl_nif:crypto_stream_xor_b(M, Nonce, K),
stream_xor(M, Nonce, K, N-1).
%% SECRETBOX
%% ----------
time_secretbox() ->
Sz = 1024 * 64,
M = binary:copy(<<0>>, Sz),
K = <<"secretsecretsecretsecretsecret32">>,
Nonce = binary:copy(<<0:192>>),
T = timed(fun() -> secretbox(M, Nonce, K, ?ROUNDS) end) / ?ROUNDS,
CT = enacl:secretbox(M, Nonce, K),
T2 = timed(fun() -> secretbox_open(CT, Nonce, K, ?ROUNDS) end) / ?ROUNDS,
{ok, M} = enacl:secretbox_open(CT, Nonce, K),
[
#{ size => Sz, time => T, operation => secretbox },
#{ size => Sz, time => T2, operation => secretbox_open }
].
secretbox(_M, _Nonce, _K, 0) -> ok;
secretbox(M, Nonce, K, N) ->
enacl_nif:crypto_secretbox_b(M, Nonce, K),
secretbox(M, Nonce, K, N-1).
secretbox_open(_M, _Nonce, _K, 0) -> ok;
secretbox_open(M, Nonce, K, N) ->
enacl_nif:crypto_secretbox_open_b(M, Nonce, K),
secretbox_open(M, Nonce, K, N-1).
%% SIGN
%% ---------
time_sign() ->
Sz = 1024 * 16,
M = binary:copy(<<0>>, Sz),
#{ public := PK, secret := SK } = enacl:sign_keypair(),
T = timed(fun() -> sign(M, SK, ?ROUNDS) end) / ?ROUNDS,
SM = enacl:sign(M, SK),
T2 = timed(fun() -> sign_open(SM, PK, ?ROUNDS) end) / ?ROUNDS,
[
#{ size => Sz, time => T, operation => sign },
#{ size => Sz, time => T2, operation => sign_open }
].
sign(_M, _SK, 0) -> ok;
sign(M, SK, N) ->
enacl_nif:crypto_sign_b(M, SK),
sign(M, SK, N-1).
sign_open(_SM, _PK, 0) -> ok;
sign_open(SM, PK, N) ->
enacl_nif:crypto_sign_open_b(SM, PK),
sign_open(SM, PK, N-1).
%% BOX
%% --------
time_box() ->
Sz = 1024 * 32,
ZB = binary:copy(<<0>>, enacl_nif:crypto_box_ZEROBYTES()),
@ -18,18 +153,14 @@ time_box() ->
Nonce = binary:copy(<<0>>, enacl_nif:crypto_box_NONCEBYTES()),
#{ public := PK1, secret := SK1 } = enacl:box_keypair(),
#{ public := PK2, secret := SK2 } = enacl:box_keypair(),
box([ZB, Bin], Nonce, PK1, SK2, ?ROUNDS),
T = timed(fun() -> box([ZB, Bin], Nonce, PK1, SK2, ?ROUNDS) end) / ?ROUNDS,
Boxed = enacl:box([ZB, Bin], Nonce, PK1, SK2),
box_open([BZB, Boxed], Nonce, PK2, SK1, ?ROUNDS),
T2 = timed(fun() -> box_open([BZB, Boxed], Nonce, PK2, SK1, ?ROUNDS) end) / ?ROUNDS,
[
#{ size => Sz, time => T, operation => box},
#{ size => Sz, time => T2, operation => box_open}
].
%% BOX
%% --------
box_open(_Bin, _Nonce, _PK, _SK, 0) -> ok;
box_open(Bin, Nonce, PK, SK, N) ->
enacl_nif:crypto_box_open_b(Bin, Nonce, PK, SK),
@ -45,7 +176,6 @@ box(Bin, Nonce, PK, SK, N) ->
time_hashing() ->
Sz = 1024 * 32,
Bin = binary:copy(<<0>>, Sz),
hash(Bin, ?ROUNDS),
T = timed(fun() -> hash(Bin, ?ROUNDS) end) / ?ROUNDS,
#{ size => Sz, time => T, operation => hash}.
@ -56,6 +186,7 @@ hash(Bin, N) ->
%% Helpers
timed(Fun) ->
Fun(), % warmup
{T, _} = timer:tc(Fun),
T.