1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "DeleteCredentialTests"
#include <aidl/Gtest.h>
#include <aidl/Vintf.h>
#include <aidl/android/hardware/keymaster/HardwareAuthToken.h>
#include <aidl/android/hardware/keymaster/VerificationToken.h>
#include <android-base/logging.h>
#include <android/hardware/identity/IIdentityCredentialStore.h>
#include <android/hardware/identity/support/IdentityCredentialSupport.h>
#include <binder/IServiceManager.h>
#include <binder/ProcessState.h>
#include <cppbor.h>
#include <cppbor_parse.h>
#include <gtest/gtest.h>
#include <future>
#include <map>
#include <utility>
#include "Util.h"
namespace android::hardware::identity {
using std::endl;
using std::make_pair;
using std::map;
using std::optional;
using std::pair;
using std::string;
using std::tie;
using std::vector;
using ::android::sp;
using ::android::String16;
using ::android::binder::Status;
using ::android::hardware::keymaster::HardwareAuthToken;
using ::android::hardware::keymaster::VerificationToken;
class DeleteCredentialTests : public testing::TestWithParam<string> {
public:
virtual void SetUp() override {
credentialStore_ = android::waitForDeclaredService<IIdentityCredentialStore>(
String16(GetParam().c_str()));
ASSERT_NE(credentialStore_, nullptr);
halApiVersion_ = credentialStore_->getInterfaceVersion();
}
void provisionData();
// Set by provisionData
vector<uint8_t> credentialData_;
vector<uint8_t> credentialPubKey_;
sp<IIdentityCredentialStore> credentialStore_;
int halApiVersion_;
};
void DeleteCredentialTests::provisionData() {
string docType = "org.iso.18013-5.2019.mdl";
bool testCredential = true;
sp<IWritableIdentityCredential> wc;
ASSERT_TRUE(credentialStore_->createCredential(docType, testCredential, &wc).isOk());
vector<uint8_t> attestationApplicationId = {};
vector<uint8_t> attestationChallenge = {1};
vector<Certificate> certChain;
ASSERT_TRUE(wc->getAttestationCertificate(attestationApplicationId, attestationChallenge,
&certChain)
.isOk());
optional<vector<uint8_t>> optCredentialPubKey =
support::certificateChainGetTopMostKey(certChain[0].encodedCertificate);
ASSERT_TRUE(optCredentialPubKey);
credentialPubKey_ = optCredentialPubKey.value();
size_t proofOfProvisioningSize = 106;
// Not in v1 HAL, may fail
wc->setExpectedProofOfProvisioningSize(proofOfProvisioningSize);
ASSERT_TRUE(wc->startPersonalization(1 /* numAccessControlProfiles */,
{1} /* numDataElementsPerNamespace */)
.isOk());
// Access control profile 0: open access - don't care about the returned SACP
SecureAccessControlProfile sacp;
ASSERT_TRUE(wc->addAccessControlProfile(1, {}, false, 0, 0, &sacp).isOk());
// Single entry - don't care about the returned encrypted data
ASSERT_TRUE(wc->beginAddEntry({1}, "ns", "Some Data", 1).isOk());
vector<uint8_t> encryptedData;
ASSERT_TRUE(wc->addEntryValue({9}, &encryptedData).isOk());
vector<uint8_t> proofOfProvisioningSignature;
Status status = wc->finishAddingEntries(&credentialData_, &proofOfProvisioningSignature);
EXPECT_TRUE(status.isOk()) << status.exceptionCode() << ": " << status.exceptionMessage();
}
TEST_P(DeleteCredentialTests, Delete) {
provisionData();
sp<IIdentityCredential> credential;
ASSERT_TRUE(credentialStore_
->getCredential(
CipherSuite::CIPHERSUITE_ECDHE_HKDF_ECDSA_WITH_AES_256_GCM_SHA256,
credentialData_, &credential)
.isOk());
vector<uint8_t> proofOfDeletionSignature;
ASSERT_TRUE(credential->deleteCredential(&proofOfDeletionSignature).isOk());
optional<vector<uint8_t>> proofOfDeletion =
support::coseSignGetPayload(proofOfDeletionSignature);
ASSERT_TRUE(proofOfDeletion);
string cborPretty = cppbor::prettyPrint(proofOfDeletion.value(), 32, {});
EXPECT_EQ("['ProofOfDeletion', 'org.iso.18013-5.2019.mdl', true, ]", cborPretty);
EXPECT_TRUE(support::coseCheckEcDsaSignature(proofOfDeletionSignature, {}, // Additional data
credentialPubKey_));
}
TEST_P(DeleteCredentialTests, DeleteWithChallenge) {
if (halApiVersion_ < 3) {
GTEST_SKIP() << "Need HAL API version 3, have " << halApiVersion_;
}
provisionData();
sp<IIdentityCredential> credential;
ASSERT_TRUE(credentialStore_
->getCredential(
CipherSuite::CIPHERSUITE_ECDHE_HKDF_ECDSA_WITH_AES_256_GCM_SHA256,
credentialData_, &credential)
.isOk());
// Implementations must support at least 32 bytes.
string challengeString = "0123456789abcdef0123456789abcdef";
vector<uint8_t> challenge(challengeString.begin(), challengeString.end());
vector<uint8_t> proofOfDeletionSignature;
ASSERT_TRUE(
credential->deleteCredentialWithChallenge(challenge, &proofOfDeletionSignature).isOk());
optional<vector<uint8_t>> proofOfDeletion =
support::coseSignGetPayload(proofOfDeletionSignature);
ASSERT_TRUE(proofOfDeletion);
string cborPretty = cppbor::prettyPrint(proofOfDeletion.value(), 32, {});
EXPECT_EQ(
"['ProofOfDeletion', 'org.iso.18013-5.2019.mdl', {"
"0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, "
"0x38, 0x39, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, "
"0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, "
"0x38, 0x39, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66}, true, ]",
cborPretty);
EXPECT_TRUE(support::coseCheckEcDsaSignature(proofOfDeletionSignature, {}, // Additional data
credentialPubKey_));
}
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(DeleteCredentialTests);
INSTANTIATE_TEST_SUITE_P(
Identity, DeleteCredentialTests,
testing::ValuesIn(android::getAidlHalInstanceNames(IIdentityCredentialStore::descriptor)),
android::PrintInstanceNameToString);
} // namespace android::hardware::identity
|
