enacl/eqc_test/enacl_ext_eqc.erl
2020-02-05 13:15:54 +01:00

30 lines
876 B
Erlang

-module(enacl_ext_eqc).
-include_lib("eqc/include/eqc.hrl").
-compile({parse_transform, eqc_parallelize}).
-compile([export_all, nowarn_export_all]).
public_keypair() ->
?LET(#{ public := PK, secret := SK}, enacl_ext:curve25519_keypair(),
{PK, SK}).
prop_public_key() ->
?FORALL({PK, SK}, public_keypair(),
begin
equals(PK, enacl_ext:curve25519_public_key(SK))
end).
prop_shared_secret() ->
?FORALL([{PK1, SK1}, {PK2, SK2}],
[public_keypair(), public_keypair()],
begin
Alice = enacl_ext:curve25519_shared(SK1, PK2),
Bob = enacl_ext:curve25519_shared(SK2, PK1),
equals(Alice, Bob)
end).
prop_scramble_block() ->
?FORALL({Block, Key}, {binary(16), eqc_gen:largebinary(32)},
is_binary(enacl_ext:scramble_block_16(Block, Key))).