1 // Copyright 2019 Google Inc.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 //
15 ////////////////////////////////////////////////////////////////////////////////
16
17 #include "tink/streamingaead/streaming_aead_config.h"
18
19 #include <list>
20 #include <sstream>
21 #include <utility>
22
23 #include "gmock/gmock.h"
24 #include "gtest/gtest.h"
25 #include "absl/memory/memory.h"
26 #include "absl/status/status.h"
27 #include "tink/config/tink_fips.h"
28 #include "tink/keyset_handle.h"
29 #include "tink/registry.h"
30 #include "tink/streaming_aead.h"
31 #include "tink/streamingaead/aes_ctr_hmac_streaming_key_manager.h"
32 #include "tink/streamingaead/aes_gcm_hkdf_streaming_key_manager.h"
33 #include "tink/streamingaead/streaming_aead_key_templates.h"
34 #include "tink/util/status.h"
35 #include "tink/util/test_matchers.h"
36 #include "tink/util/test_util.h"
37
38 namespace crypto {
39 namespace tink {
40 namespace {
41
42 using ::crypto::tink::test::DummyStreamingAead;
43 using ::crypto::tink::test::IsOk;
44 using ::crypto::tink::test::StatusIs;
45
46 class StreamingAeadConfigTest : public ::testing::Test {
47 protected:
SetUp()48 void SetUp() override { Registry::Reset(); }
49 };
50
TEST_F(StreamingAeadConfigTest,Basic)51 TEST_F(StreamingAeadConfigTest, Basic) {
52 if (IsFipsModeEnabled()) {
53 GTEST_SKIP() << "Not supported in FIPS-only mode";
54 }
55
56 EXPECT_THAT(Registry::get_key_manager<StreamingAead>(
57 AesGcmHkdfStreamingKeyManager().get_key_type())
58 .status(),
59 StatusIs(absl::StatusCode::kNotFound));
60 EXPECT_THAT(Registry::get_key_manager<StreamingAead>(
61 AesCtrHmacStreamingKeyManager().get_key_type())
62 .status(),
63 StatusIs(absl::StatusCode::kNotFound));
64 EXPECT_THAT(StreamingAeadConfig::Register(), IsOk());
65 EXPECT_THAT(Registry::get_key_manager<StreamingAead>(
66 AesGcmHkdfStreamingKeyManager().get_key_type())
67 .status(),
68 IsOk());
69 EXPECT_THAT(Registry::get_key_manager<StreamingAead>(
70 AesCtrHmacStreamingKeyManager().get_key_type())
71 .status(),
72 IsOk());
73 }
74
75 // Tests that the StreamingAeadWrapper has been properly registered
76 // and we can wrap primitives.
TEST_F(StreamingAeadConfigTest,WrappersRegistered)77 TEST_F(StreamingAeadConfigTest, WrappersRegistered) {
78 if (IsFipsModeEnabled()) {
79 GTEST_SKIP() << "Not supported in FIPS-only mode";
80 }
81
82 ASSERT_TRUE(StreamingAeadConfig::Register().ok());
83
84 google::crypto::tink::KeysetInfo::KeyInfo key_info;
85 key_info.set_status(google::crypto::tink::KeyStatusType::ENABLED);
86 key_info.set_key_id(1234);
87 key_info.set_output_prefix_type(google::crypto::tink::OutputPrefixType::RAW);
88 auto primitive_set = absl::make_unique<PrimitiveSet<StreamingAead>>();
89 ASSERT_THAT(
90 primitive_set->set_primary(
91 primitive_set
92 ->AddPrimitive(absl::make_unique<DummyStreamingAead>("dummy"),
93 key_info)
94 .value()),
95 IsOk());
96
97 auto primitive_result = Registry::Wrap(std::move(primitive_set));
98 ASSERT_TRUE(primitive_result.ok()) << primitive_result.status();
99 }
100
101 // FIPS-only mode tests
TEST_F(StreamingAeadConfigTest,RegisterNonFipsTemplates)102 TEST_F(StreamingAeadConfigTest, RegisterNonFipsTemplates) {
103 if (!IsFipsModeEnabled()) {
104 GTEST_SKIP() << "Only supported in FIPS-only mode";
105 }
106
107 EXPECT_THAT(StreamingAeadConfig::Register(), IsOk());
108
109 // Check that we can not retrieve non-FIPS keyset handle
110 std::list<google::crypto::tink::KeyTemplate> non_fips_key_templates;
111 non_fips_key_templates.push_back(
112 StreamingAeadKeyTemplates::Aes128CtrHmacSha256Segment4KB());
113 non_fips_key_templates.push_back(
114 StreamingAeadKeyTemplates::Aes128GcmHkdf4KB());
115 non_fips_key_templates.push_back(
116 StreamingAeadKeyTemplates::Aes256CtrHmacSha256Segment4KB());
117 non_fips_key_templates.push_back(
118 StreamingAeadKeyTemplates::Aes256GcmHkdf1MB());
119 non_fips_key_templates.push_back(
120 StreamingAeadKeyTemplates::Aes256GcmHkdf4KB());
121
122 for (auto key_template : non_fips_key_templates) {
123 EXPECT_THAT(KeysetHandle::GenerateNew(key_template).status(),
124 StatusIs(absl::StatusCode::kNotFound));
125 }
126 }
127
128 } // namespace
129 } // namespace tink
130 } // namespace crypto
131