1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef HARDWARE_INTERFACES_KEYMASTER_40_VTS_FUNCTIONAL_KEYMASTER_HIDL_TEST_H_ 18 #define HARDWARE_INTERFACES_KEYMASTER_40_VTS_FUNCTIONAL_KEYMASTER_HIDL_TEST_H_ 19 20 #include <android/hardware/keymaster/4.0/IKeymasterDevice.h> 21 #include <android/hardware/keymaster/4.0/types.h> 22 23 #include <VtsHalHidlTargetTestBase.h> 24 25 #include <keymaster/keymaster_configuration.h> 26 27 #include <keymasterV4_0/authorization_set.h> 28 29 namespace android { 30 namespace hardware { 31 namespace keymaster { 32 namespace V4_0 { 33 34 ::std::ostream& operator<<(::std::ostream& os, const AuthorizationSet& set); 35 36 namespace test { 37 38 using ::android::sp; 39 using ::std::string; 40 41 class HidlBuf : public hidl_vec<uint8_t> { 42 typedef hidl_vec<uint8_t> super; 43 44 public: 45 HidlBuf() {} 46 HidlBuf(const super& other) : super(other) {} 47 HidlBuf(super&& other) : super(std::move(other)) {} 48 explicit HidlBuf(const std::string& other) : HidlBuf() { *this = other; } 49 50 HidlBuf& operator=(const super& other) { 51 super::operator=(other); 52 return *this; 53 } 54 55 HidlBuf& operator=(super&& other) { 56 super::operator=(std::move(other)); 57 return *this; 58 } 59 60 HidlBuf& operator=(const string& other) { 61 resize(other.size()); 62 std::copy(other.begin(), other.end(), begin()); 63 return *this; 64 } 65 66 string to_string() const { return string(reinterpret_cast<const char*>(data()), size()); } 67 }; 68 69 constexpr uint64_t kOpHandleSentinel = 0xFFFFFFFFFFFFFFFF; 70 71 class KeymasterHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase { 72 public: 73 // get the test environment singleton 74 static KeymasterHidlEnvironment* Instance() { 75 static KeymasterHidlEnvironment* instance = new KeymasterHidlEnvironment; 76 return instance; 77 } 78 79 void registerTestServices() override { registerTestService<IKeymasterDevice>(); } 80 81 private: 82 KeymasterHidlEnvironment(){}; 83 84 GTEST_DISALLOW_COPY_AND_ASSIGN_(KeymasterHidlEnvironment); 85 }; 86 87 class KeymasterHidlTest : public ::testing::VtsHalHidlTargetTestBase { 88 public: 89 void TearDown() override { 90 if (key_blob_.size()) { 91 CheckedDeleteKey(); 92 } 93 AbortIfNeeded(); 94 } 95 96 // SetUpTestCase runs only once per test case, not once per test. 97 static void SetUpTestCase(); 98 static void TearDownTestCase() { 99 keymaster_.clear(); 100 all_keymasters_.clear(); 101 } 102 103 static IKeymasterDevice& keymaster() { return *keymaster_; } 104 static const std::vector<sp<IKeymasterDevice>>& all_keymasters() { return all_keymasters_; } 105 static uint32_t os_version() { return os_version_; } 106 static uint32_t os_patch_level() { return os_patch_level_; } 107 108 ErrorCode GenerateKey(const AuthorizationSet& key_desc, HidlBuf* key_blob, 109 KeyCharacteristics* key_characteristics); 110 ErrorCode GenerateKey(const AuthorizationSet& key_desc); 111 112 ErrorCode ImportKey(const AuthorizationSet& key_desc, KeyFormat format, 113 const string& key_material, HidlBuf* key_blob, 114 KeyCharacteristics* key_characteristics); 115 ErrorCode ImportKey(const AuthorizationSet& key_desc, KeyFormat format, 116 const string& key_material); 117 118 ErrorCode ImportWrappedKey(string wrapped_key, string wrapping_key, 119 const AuthorizationSet& wrapping_key_desc, string masking_key, 120 const AuthorizationSet& unwrapping_params); 121 122 ErrorCode ExportKey(KeyFormat format, const HidlBuf& key_blob, const HidlBuf& client_id, 123 const HidlBuf& app_data, HidlBuf* key_material); 124 ErrorCode ExportKey(KeyFormat format, HidlBuf* key_material); 125 126 ErrorCode DeleteKey(HidlBuf* key_blob, bool keep_key_blob = false); 127 ErrorCode DeleteKey(bool keep_key_blob = false); 128 129 ErrorCode DeleteAllKeys(); 130 131 void CheckedDeleteKey(HidlBuf* key_blob, bool keep_key_blob = false); 132 void CheckedDeleteKey(); 133 134 ErrorCode GetCharacteristics(const HidlBuf& key_blob, const HidlBuf& client_id, 135 const HidlBuf& app_data, KeyCharacteristics* key_characteristics); 136 ErrorCode GetCharacteristics(const HidlBuf& key_blob, KeyCharacteristics* key_characteristics); 137 138 ErrorCode Begin(KeyPurpose purpose, const HidlBuf& key_blob, const AuthorizationSet& in_params, 139 AuthorizationSet* out_params, OperationHandle* op_handle); 140 ErrorCode Begin(KeyPurpose purpose, const AuthorizationSet& in_params, 141 AuthorizationSet* out_params); 142 ErrorCode Begin(KeyPurpose purpose, const AuthorizationSet& in_params); 143 144 ErrorCode Update(OperationHandle op_handle, const AuthorizationSet& in_params, 145 const string& input, AuthorizationSet* out_params, string* output, 146 size_t* input_consumed); 147 ErrorCode Update(const string& input, string* out, size_t* input_consumed); 148 149 ErrorCode Finish(OperationHandle op_handle, const AuthorizationSet& in_params, 150 const string& input, const string& signature, AuthorizationSet* out_params, 151 string* output); 152 ErrorCode Finish(const string& message, string* output); 153 ErrorCode Finish(const string& message, const string& signature, string* output); 154 ErrorCode Finish(string* output) { return Finish(string(), output); } 155 156 ErrorCode Abort(OperationHandle op_handle); 157 158 void AbortIfNeeded(); 159 160 ErrorCode AttestKey(const HidlBuf& key_blob, const AuthorizationSet& attest_params, 161 hidl_vec<hidl_vec<uint8_t>>* cert_chain); 162 ErrorCode AttestKey(const AuthorizationSet& attest_params, 163 hidl_vec<hidl_vec<uint8_t>>* cert_chain); 164 165 string ProcessMessage(const HidlBuf& key_blob, KeyPurpose operation, const string& message, 166 const AuthorizationSet& in_params, AuthorizationSet* out_params); 167 168 string SignMessage(const HidlBuf& key_blob, const string& message, 169 const AuthorizationSet& params); 170 string SignMessage(const string& message, const AuthorizationSet& params); 171 172 string MacMessage(const string& message, Digest digest, size_t mac_length); 173 174 void CheckHmacTestVector(const string& key, const string& message, Digest digest, 175 const string& expected_mac); 176 177 void CheckAesCtrTestVector(const string& key, const string& nonce, const string& message, 178 const string& expected_ciphertext); 179 180 void CheckTripleDesTestVector(KeyPurpose purpose, BlockMode block_mode, 181 PaddingMode padding_mode, const string& key, const string& iv, 182 const string& input, const string& expected_output); 183 184 void VerifyMessage(const HidlBuf& key_blob, const string& message, const string& signature, 185 const AuthorizationSet& params); 186 void VerifyMessage(const string& message, const string& signature, 187 const AuthorizationSet& params); 188 189 string EncryptMessage(const HidlBuf& key_blob, const string& message, 190 const AuthorizationSet& in_params, AuthorizationSet* out_params); 191 string EncryptMessage(const string& message, const AuthorizationSet& params, 192 AuthorizationSet* out_params); 193 string EncryptMessage(const string& message, const AuthorizationSet& params); 194 string EncryptMessage(const string& message, BlockMode block_mode, PaddingMode padding); 195 string EncryptMessage(const string& message, BlockMode block_mode, PaddingMode padding, 196 HidlBuf* iv_out); 197 string EncryptMessage(const string& message, BlockMode block_mode, PaddingMode padding, 198 const HidlBuf& iv_in); 199 200 string DecryptMessage(const HidlBuf& key_blob, const string& ciphertext, 201 const AuthorizationSet& params); 202 string DecryptMessage(const string& ciphertext, const AuthorizationSet& params); 203 string DecryptMessage(const string& ciphertext, BlockMode block_mode, PaddingMode padding_mode, 204 const HidlBuf& iv); 205 206 std::pair<ErrorCode, HidlBuf> UpgradeKey(const HidlBuf& key_blob); 207 208 static bool IsSecure() { return securityLevel_ != SecurityLevel::SOFTWARE; } 209 static SecurityLevel SecLevel() { return securityLevel_; } 210 211 std::vector<uint32_t> ValidKeySizes(Algorithm algorithm); 212 std::vector<uint32_t> InvalidKeySizes(Algorithm algorithm); 213 214 std::vector<EcCurve> ValidCurves(); 215 std::vector<EcCurve> InvalidCurves(); 216 217 std::initializer_list<Digest> ValidDigests(bool withNone, bool withMD5); 218 std::vector<Digest> InvalidDigests(); 219 220 HidlBuf key_blob_; 221 KeyCharacteristics key_characteristics_; 222 OperationHandle op_handle_ = kOpHandleSentinel; 223 224 private: 225 static sp<IKeymasterDevice> keymaster_; 226 static std::vector<sp<IKeymasterDevice>> all_keymasters_; 227 static uint32_t os_version_; 228 static uint32_t os_patch_level_; 229 230 static SecurityLevel securityLevel_; 231 static hidl_string name_; 232 static hidl_string author_; 233 }; 234 235 } // namespace test 236 } // namespace V4_0 237 } // namespace keymaster 238 } // namespace hardware 239 } // namespace android 240 241 #endif // HARDWARE_INTERFACES_KEYMASTER_40_VTS_FUNCTIONAL_KEYMASTER_HIDL_TEST_H_ 242
