%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2011. 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(public_key_SUITE).
%% Note: This directive should only be used in test suites.
-compile(export_all).
-include_lib("common_test/include/ct.hrl").
-include_lib("test_server/include/test_server_line.hrl").
-include_lib("public_key/include/public_key.hrl").
-define(TIMEOUT, 120000). % 2 min
%% Test server callback functions
%%--------------------------------------------------------------------
%% Function: init_per_suite(Config) -> Config
%% Config - [tuple()]
%% A list of key/value pairs, holding the test case configuration.
%% Description: Initialization before the whole suite
%%
%% Note: This function is free to add any key/value pairs to the Config
%% variable, but should NOT alter/remove any existing entries.
%%--------------------------------------------------------------------
init_per_suite(Config) ->
try crypto:start() of
ok ->
Config
catch _:_ ->
{skip, "Crypto did not start"}
end.
%%--------------------------------------------------------------------
%% Function: end_per_suite(Config) -> _
%% Config - [tuple()]
%% A list of key/value pairs, holding the test case configuration.
%% Description: Cleanup after the whole suite
%%--------------------------------------------------------------------
end_per_suite(_Config) ->
application:stop(crypto).
%%--------------------------------------------------------------------
%% Function: init_per_testcase(TestCase, Config) -> Config
%% Case - atom()
%% Name of the test case that is about to be run.
%% Config - [tuple()]
%% A list of key/value pairs, holding the test case configuration.
%%
%% Description: Initialization before each test case
%%
%% Note: This function is free to add any key/value pairs to the Config
%% variable, but should NOT alter/remove any existing entries.
%% Description: Initialization before each test case
%%--------------------------------------------------------------------
init_per_testcase(_TestCase, Config0) ->
Config = lists:keydelete(watchdog, 1, Config0),
Dog = test_server:timetrap(?TIMEOUT),
[{watchdog, Dog} | Config].
%%--------------------------------------------------------------------
%% Function: end_per_testcase(TestCase, Config) -> _
%% Case - atom()
%% Name of the test case that is about to be run.
%% Config - [tuple()]
%% A list of key/value pairs, holding the test case configuration.
%% Description: Cleanup after each test case
%%--------------------------------------------------------------------
end_per_testcase(_TestCase, Config) ->
Dog = ?config(watchdog, Config),
case Dog of
undefined ->
ok;
_ ->
test_server:timetrap_cancel(Dog)
end.
%%--------------------------------------------------------------------
%% Function: all(Clause) -> TestCases
%% Clause - atom() - suite | doc
%% TestCases - [Case]
%% Case - atom()
%% Name of a test case.
%% Description: Returns a list of all test cases in this test suite
%%--------------------------------------------------------------------
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[app, pk_decode_encode, encrypt_decrypt, sign_verify,
pkix, pkix_path_validation, deprecated].
groups() ->
[].
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
%% Test cases starts here.
%%--------------------------------------------------------------------
app(doc) ->
"Test that the public_key app file is ok";
app(suite) ->
[];
app(Config) when is_list(Config) ->
ok = test_server:app_test(public_key).
pk_decode_encode(doc) ->
["Tests pem_decode/1, pem_encode/1, "
"der_decode/2, der_encode/2, "
"pem_entry_decode/1, pem_entry_decode/2,"
"pem_entry_encode/2, pem_entry_encode/3."];
pk_decode_encode(suite) ->
[];
pk_decode_encode(Config) when is_list(Config) ->
Datadir = ?config(data_dir, Config),
[{'DSAPrivateKey', DerDSAKey, not_encrypted} = Entry0 ] =
erl_make_certs:pem_to_der(filename:join(Datadir, "dsa.pem")),
DSAKey = public_key:der_decode('DSAPrivateKey', DerDSAKey),
DSAKey = public_key:pem_entry_decode(Entry0),
{ok, DSAPubPem} = file:read_file(filename:join(Datadir, "dsa_pub.pem")),
[{'SubjectPublicKeyInfo', _, _} = PubEntry0] =
public_key:pem_decode(DSAPubPem),
DSAPubKey = public_key:pem_entry_decode(PubEntry0),
true = check_entry_type(DSAPubKey, 'DSAPublicKey'),
PubEntry0 = public_key:pem_entry_encode('SubjectPublicKeyInfo', DSAPubKey),
DSAPubPemNoEndNewLines = strip_ending_newlines(DSAPubPem),
DSAPubPemEndNoNewLines = strip_ending_newlines(public_key:pem_encode([PubEntry0])),
[{'RSAPrivateKey', DerRSAKey, not_encrypted} = Entry1 ] =
erl_make_certs:pem_to_der(filename:join(Datadir, "client_key.pem")),
RSAKey0 = public_key:der_decode('RSAPrivateKey', DerRSAKey),
RSAKey0 = public_key:pem_entry_decode(Entry1),
[{'RSAPrivateKey', _, {_,_}} = Entry2] =
erl_make_certs:pem_to_der(filename:join(Datadir, "rsa.pem")),
true = check_entry_type(public_key:pem_entry_decode(Entry2, "abcd1234"),
'RSAPrivateKey'),
{ok, RSAPubPem} = file:read_file(filename:join(Datadir, "rsa_pub.pem")),
[{'SubjectPublicKeyInfo', _, _} = PubEntry1] =
public_key:pem_decode(RSAPubPem),
RSAPubKey = public_key:pem_entry_decode(PubEntry1),
true = check_entry_type(RSAPubKey, 'RSAPublicKey'),
PubEntry1 = public_key:pem_entry_encode('SubjectPublicKeyInfo', RSAPubKey),
RSAPubPemNoEndNewLines = strip_ending_newlines(RSAPubPem),
RSAPubPemNoEndNewLines = strip_ending_newlines(public_key:pem_encode([PubEntry1])),
{ok, RSARawPem} = file:read_file(filename:join(Datadir, "rsa_pub_key.pem")),
[{'RSAPublicKey', _, _} = PubEntry2] =
public_key:pem_decode(RSARawPem),
RSAPubKey = public_key:pem_entry_decode(PubEntry2),
RSARawPemNoEndNewLines = strip_ending_newlines(RSARawPem),
RSARawPemNoEndNewLines = strip_ending_newlines(public_key:pem_encode([PubEntry2])),
Salt0 = crypto:rand_bytes(8),
Entry3 = public_key:pem_entry_encode('RSAPrivateKey', RSAKey0,
{{"DES-EDE3-CBC", Salt0}, "1234abcd"}),
RSAKey0 = public_key:pem_entry_decode(Entry3,"1234abcd"),
Des3KeyFile = filename:join(Datadir, "des3_client_key.pem"),
erl_make_certs:der_to_pem(Des3KeyFile, [Entry3]),
[{'RSAPrivateKey', _, {"DES-EDE3-CBC", Salt0}}] = erl_make_certs:pem_to_der(Des3KeyFile),
Salt1 = crypto:rand_bytes(8),
Entry4 = public_key:pem_entry_encode('RSAPrivateKey', RSAKey0,
{{"DES-CBC", Salt1}, "4567efgh"}),
DesKeyFile = filename:join(Datadir, "des_client_key.pem"),
erl_make_certs:der_to_pem(DesKeyFile, [Entry4]),
[{'RSAPrivateKey', _, {"DES-CBC", Salt1}} =Entry5] = erl_make_certs:pem_to_der(DesKeyFile),
true = check_entry_type(public_key:pem_entry_decode(Entry5, "4567efgh"),
'RSAPrivateKey'),
[{'DHParameter', DerDH, not_encrypted} = Entry6] =
erl_make_certs:pem_to_der(filename:join(Datadir, "dh.pem")),
erl_make_certs:der_to_pem(filename:join(Datadir, "new_dh.pem"), [Entry6]),
DHParameter = public_key:der_decode('DHParameter', DerDH),
DHParameter = public_key:pem_entry_decode(Entry6),
Entry6 = public_key:pem_entry_encode('DHParameter', DHParameter),
[{'Certificate', DerCert, not_encrypted} = Entry7] =
erl_make_certs:pem_to_der(filename:join(Datadir, "client_cert.pem")),
Cert = public_key:der_decode('Certificate', DerCert),
Cert = public_key:pem_entry_decode(Entry7),
CertEntries = [{'Certificate', _, not_encrypted} = CertEntry0,
{'Certificate', _, not_encrypted} = CertEntry1] =
erl_make_certs:pem_to_der(filename:join(Datadir, "cacerts.pem")),
ok = erl_make_certs:der_to_pem(filename:join(Datadir, "wcacerts.pem"), CertEntries),
ok = erl_make_certs:der_to_pem(filename:join(Datadir, "wdsa.pem"), [Entry0]),
NewCertEntries = erl_make_certs:pem_to_der(filename:join(Datadir, "wcacerts.pem")),
true = lists:member(CertEntry0, NewCertEntries),
true = lists:member(CertEntry1, NewCertEntries),
[Entry0] = erl_make_certs:pem_to_der(filename:join(Datadir, "wdsa.pem")),
ok.
%%--------------------------------------------------------------------
encrypt_decrypt(doc) ->
[""];
encrypt_decrypt(suite) ->
[];
encrypt_decrypt(Config) when is_list(Config) ->
{PrivateKey, _DerKey} = erl_make_certs:gen_rsa(64),
#'RSAPrivateKey'{modulus=Mod, publicExponent=Exp} = PrivateKey,
PublicKey = #'RSAPublicKey'{modulus=Mod, publicExponent=Exp},
Msg = list_to_binary(lists:duplicate(5, "Foo bar 100")),
RsaEncrypted = public_key:encrypt_private(Msg, PrivateKey),
Msg = public_key:decrypt_public(RsaEncrypted, PublicKey),
Msg = public_key:decrypt_public(RsaEncrypted, PrivateKey),
RsaEncrypted2 = public_key:encrypt_public(Msg, PublicKey),
RsaEncrypted3 = public_key:encrypt_public(Msg, PrivateKey),
Msg = public_key:decrypt_private(RsaEncrypted2, PrivateKey),
Msg = public_key:decrypt_private(RsaEncrypted3, PrivateKey),
ok.
%%--------------------------------------------------------------------
sign_verify(doc) ->
["Checks that we can sign and verify signatures."];
sign_verify(suite) ->
[];
sign_verify(Config) when is_list(Config) ->
%% Make cert signs and validates the signature using RSA and DSA
Ca = {_, CaKey} = erl_make_certs:make_cert([]),
PrivateRSA = #'RSAPrivateKey'{modulus=Mod, publicExponent=Exp} =
public_key:pem_entry_decode(CaKey),
CertInfo = {Cert1,CertKey1} = erl_make_certs:make_cert([{key, dsa}, {issuer, Ca}]),
PublicRSA = #'RSAPublicKey'{modulus=Mod, publicExponent=Exp},
true = public_key:pkix_verify(Cert1, PublicRSA),
{Cert2,_CertKey} = erl_make_certs:make_cert([{issuer, CertInfo}]),
#'DSAPrivateKey'{p=P, q=Q, g=G, y=Y, x=_X} =
public_key:pem_entry_decode(CertKey1),
true = public_key:pkix_verify(Cert2, {Y, #'Dss-Parms'{p=P, q=Q, g=G}}),
%% RSA sign
Msg = list_to_binary(lists:duplicate(5, "Foo bar 100")),
RSASign = public_key:sign(Msg, sha, PrivateRSA),
true = public_key:verify(Msg, sha, RSASign, PublicRSA),
false = public_key:verify(<<1:8, Msg/binary>>, sha, RSASign, PublicRSA),
false = public_key:verify(Msg, sha, <<1:8, RSASign/binary>>, PublicRSA),
RSASign1 = public_key:sign(Msg, md5, PrivateRSA),
true = public_key:verify(Msg, md5, RSASign1, PublicRSA),
%% DSA sign
Datadir = ?config(data_dir, Config),
[DsaKey = {'DSAPrivateKey', _, _}] =
erl_make_certs:pem_to_der(filename:join(Datadir, "dsa.pem")),
DSAPrivateKey = public_key:pem_entry_decode(DsaKey),
#'DSAPrivateKey'{p=P1, q=Q1, g=G1, y=Y1, x=_X1} = DSAPrivateKey,
DSASign = public_key:sign(Msg, sha, DSAPrivateKey),
DSAPublicKey = Y1,
DSAParams = #'Dss-Parms'{p=P1, q=Q1, g=G1},
true = public_key:verify(Msg, sha, DSASign, {DSAPublicKey, DSAParams}),
false = public_key:verify(<<1:8, Msg/binary>>, sha, DSASign,
{DSAPublicKey, DSAParams}),
false = public_key:verify(Msg, sha, <<1:8, DSASign/binary>>,
{DSAPublicKey, DSAParams}),
Digest = crypto:sha(Msg),
DigestSign = public_key:sign(Digest, none, DSAPrivateKey),
true = public_key:verify(Digest, none, DigestSign, {DSAPublicKey, DSAParams}),
<<_:8, RestDigest/binary>> = Digest,
false = public_key:verify(<<1:8, RestDigest/binary>>, none, DigestSign,
{DSAPublicKey, DSAParams}),
false = public_key:verify(Digest, none, <<1:8, DigestSign/binary>>,
{DSAPublicKey, DSAParams}),
ok.
%%--------------------------------------------------------------------
pkix(doc) ->
"Misc pkix tests not covered elsewhere";
pkix(suite) ->
[];
pkix(Config) when is_list(Config) ->
Datadir = ?config(data_dir, Config),
Certs0 = erl_make_certs:pem_to_der(filename:join(Datadir, "cacerts.pem")),
Certs1 = erl_make_certs:pem_to_der(filename:join(Datadir, "client_cert.pem")),
TestTransform = fun({'Certificate', CertDer, not_encrypted}) ->
PlainCert = public_key:pkix_decode_cert(CertDer, plain),
OtpCert = public_key:pkix_decode_cert(CertDer, otp),
CertDer =
public_key:pkix_encode('OTPCertificate', OtpCert, otp),
CertDer =
public_key:pkix_encode('Certificate', PlainCert, plain),
OTPTBS = OtpCert#'OTPCertificate'.tbsCertificate,
OTPSubj = OTPTBS#'OTPTBSCertificate'.subject,
DNEncoded = public_key:pkix_encode('Name', OTPSubj, otp),
PlainTBS = PlainCert#'Certificate'.tbsCertificate,
Subj2 = PlainTBS#'TBSCertificate'.subject,
DNEncoded = public_key:pkix_encode('Name', Subj2, plain),
false = public_key:pkix_is_fixed_dh_cert(CertDer)
end,
[TestTransform(Cert) || Cert <- Certs0 ++ Certs1],
true = public_key:pkix_is_self_signed(element(2,hd(Certs0))),
false = public_key:pkix_is_self_signed(element(2,hd(Certs1))),
CaIds = [element(2, public_key:pkix_issuer_id(Cert, self)) ||
{'Certificate', Cert, _} <- Certs0],
{ok, IssuerId = {_, _IssuerName}} =
public_key:pkix_issuer_id(element(2,hd(Certs1)), other),
true = lists:member(IssuerId, CaIds),
%% Should be normalized allready
TestStr = {rdnSequence,
[[{'AttributeTypeAndValue', {2,5,4,3},{printableString,"ERLANGCA"}}],
[{'AttributeTypeAndValue', {2,5,4,3},{printableString," erlang ca "}}]]},
VerifyStr = {rdnSequence,
[[{'AttributeTypeAndValue', {2,5,4,3},{printableString,"erlang ca"}}],
[{'AttributeTypeAndValue', {2,5,4,3},{printableString,"erlangca"}}]]},
VerifyStr = public_key:pkix_normalize_name(TestStr),
ok.
%%--------------------------------------------------------------------
pkix_path_validation(doc) ->
"Misc pkix tests not covered elsewhere";
pkix_path_validation(suite) ->
[];
pkix_path_validation(Config) when is_list(Config) ->
CaK = {Trusted,_} =
erl_make_certs:make_cert([{key, dsa},
{subject, [
{name, "Public Key"},
{?'id-at-name', {printableString, "public_key"}},
{?'id-at-pseudonym', {printableString, "pubkey"}},
{city, "Stockholm"},
{country, "SE"},
{org, "erlang"},
{org_unit, "testing dep"}
]}
]),
ok = erl_make_certs:write_pem("./", "public_key_cacert", CaK),
CertK1 = {Cert1, _} = erl_make_certs:make_cert([{issuer, CaK}]),
CertK2 = {Cert2,_} = erl_make_certs:make_cert([{issuer, CertK1},
{digest, md5}, {extensions, false}]),
ok = erl_make_certs:write_pem("./", "public_key_cert", CertK2),
{ok, _} = public_key:pkix_path_validation(Trusted, [Cert1], []),
{error, {bad_cert,invalid_issuer}} =
public_key:pkix_path_validation(Trusted, [Cert2], []),
{ok, _} = public_key:pkix_path_validation(Trusted, [Cert1, Cert2], []),
{error, issuer_not_found} = public_key:pkix_issuer_id(Cert2, other),
CertK3 = {Cert3,_} = erl_make_certs:make_cert([{issuer, CertK1},
{extensions, [{basic_constraints, false}]}]),
{Cert4,_} = erl_make_certs:make_cert([{issuer, CertK3}]),
{error, {bad_cert,missing_basic_constraint}} =
public_key:pkix_path_validation(Trusted, [Cert1, Cert3,Cert4], []),
VerifyFunAndState0 = {fun(_,{bad_cert, missing_basic_constraint}, UserState) ->
{valid, UserState};
(_,{bad_cert, _} = Reason, _) ->
{fail, Reason};
(_,{extension, _}, UserState) ->
{unknown, UserState};
(_, valid, UserState) ->
{valid, UserState};
(_, valid_peer, UserState) ->
{valid, UserState}
end, []},
{ok, _} =
public_key:pkix_path_validation(Trusted, [Cert1, Cert3,Cert4],
[{verify_fun, VerifyFunAndState0}]),
{error, {bad_cert, unknown_ca}} =
public_key:pkix_path_validation(unknown_ca, [Cert1, Cert3, Cert4], []),
VerifyFunAndState1 =
{fun(_,{bad_cert, unknown_ca}, UserState) ->
{valid, UserState};
(_,{bad_cert, _} = Reason, _) ->
{fail, Reason};
(_,{extension, _}, UserState) ->
{unknown, UserState};
(_, valid, UserState) ->
{valid, UserState}
end, []},
{ok, _} =
public_key:pkix_path_validation(unknown_ca, [Cert1], [{verify_fun,
VerifyFunAndState1}]),
ok.
%%--------------------------------------------------------------------
deprecated(doc) ->
["Check deprecated functions."];
deprecated(suite) ->
[];
deprecated(Config) when is_list(Config) ->
Datadir = ?config(data_dir, Config),
{ok, [DsaKey = {'DSAPrivateKey', _DsaKey, _}]} =
public_key:pem_to_der(filename:join(Datadir, "dsa.pem")),
{ok, [RsaKey = {'RSAPrivateKey', _RsaKey,_}]} =
public_key:pem_to_der(filename:join(Datadir, "client_key.pem")),
{ok, [ProtectedRsaKey = {'RSAPrivateKey', _ProtectedRsaKey,_}]} =
public_key:pem_to_der(filename:join(Datadir, "rsa.pem")),
{ok, #'DSAPrivateKey'{}} = public_key:decode_private_key(DsaKey),
{ok, #'RSAPrivateKey'{}} = public_key:decode_private_key(RsaKey),
{ok, #'RSAPrivateKey'{}} = public_key:decode_private_key(ProtectedRsaKey, "abcd1234"),
ok.
%%--------------------------------------------------------------------
check_entry_type(#'DSAPrivateKey'{}, 'DSAPrivateKey') ->
true;
check_entry_type(#'RSAPrivateKey'{}, 'RSAPrivateKey') ->
true;
check_entry_type(#'RSAPublicKey'{}, 'RSAPublicKey') ->
true;
check_entry_type({_Int, #'Dss-Parms'{}}, 'DSAPublicKey') when is_integer(_Int) ->
true;
check_entry_type(#'DHParameter'{}, 'DHParameter') ->
true;
check_entry_type(#'Certificate'{}, 'Certificate') ->
true;
check_entry_type(_,_) ->
false.
strip_ending_newlines(Bin) ->
string:strip(binary_to_list(Bin), right, 10).
