Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 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 | #include "KeymasterDevice.h" |
nagendra modadugu | 6c9d8bd | 2018-06-03 02:41:03 -0700 | [diff] [blame] | 18 | #include "buffer.h" |
nagendra modadugu | f5127a3 | 2018-01-24 16:30:49 -0800 | [diff] [blame] | 19 | #include "export_key.h" |
nagendra modadugu | 9747140 | 2017-09-27 14:01:00 -0700 | [diff] [blame] | 20 | #include "import_key.h" |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 21 | #include "import_wrapped_key.h" |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 22 | #include "proto_utils.h" |
| 23 | |
nagendra modadugu | 9e8c856 | 2017-09-18 18:58:54 -0700 | [diff] [blame] | 24 | #include <Keymaster.client.h> |
Andrew Scull | 8e96ff0 | 2017-10-09 11:09:09 +0100 | [diff] [blame] | 25 | #include <nos/debug.h> |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 26 | #include <nos/NuggetClient.h> |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 27 | |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 28 | #include <keymasterV4_0/key_param_output.h> |
| 29 | |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 30 | #include <android-base/logging.h> |
Allen Webb | 8fb68f1 | 2018-05-24 16:36:44 -0700 | [diff] [blame] | 31 | #include <android-base/properties.h> |
| 32 | |
| 33 | #include <algorithm> |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 34 | |
| 35 | namespace android { |
| 36 | namespace hardware { |
| 37 | namespace keymaster { |
| 38 | |
Allen Webb | 8fb68f1 | 2018-05-24 16:36:44 -0700 | [diff] [blame] | 39 | namespace { |
| 40 | |
| 41 | constexpr char PROPERTY_OS_VERSION[] = "ro.build.version.release"; |
| 42 | constexpr char PROPERTY_OS_PATCHLEVEL[] = "ro.build.version.security_patch"; |
| 43 | constexpr char PROPERTY_VENDOR_PATCHLEVEL[] = "ro.vendor.build.security_patch"; |
| 44 | |
| 45 | std::string DigitsOnly(const std::string& code) { |
Allen Webb | 3f96bd7 | 2018-05-25 08:01:32 -0700 | [diff] [blame] | 46 | // Keep digits only. |
| 47 | std::string filtered_code; |
| 48 | std::copy_if(code.begin(), code.end(), std::back_inserter(filtered_code), |
| 49 | isdigit); |
| 50 | return filtered_code; |
Allen Webb | 8fb68f1 | 2018-05-24 16:36:44 -0700 | [diff] [blame] | 51 | } |
| 52 | |
Allen Webb | 8354262 | 2018-05-31 16:04:49 -0700 | [diff] [blame] | 53 | /** Get one version number from a string and move loc to the point after the |
| 54 | * next version delimiter. |
| 55 | */ |
| 56 | uint32_t ExtractVersion(const std::string& version, size_t* loc) { |
| 57 | if (*loc == std::string::npos || *loc >= version.size()) { |
| 58 | return 0; |
| 59 | } |
| 60 | |
| 61 | uint32_t value = 0; |
| 62 | size_t new_loc = version.find('.', *loc); |
| 63 | if (new_loc == std::string::npos) { |
Allen Webb | fe11659 | 2018-06-06 16:26:29 -0700 | [diff] [blame] | 64 | auto sanitized = DigitsOnly(version.substr(*loc)); |
| 65 | if (!sanitized.empty()) { |
| 66 | if (sanitized.size() < version.size() - *loc) { |
| 67 | LOG(ERROR) << "Unexpected version format: \"" << version |
| 68 | << "\""; |
| 69 | } |
| 70 | value = std::stoi(sanitized); |
| 71 | } |
Allen Webb | 8354262 | 2018-05-31 16:04:49 -0700 | [diff] [blame] | 72 | *loc = new_loc; |
| 73 | } else { |
Allen Webb | fe11659 | 2018-06-06 16:26:29 -0700 | [diff] [blame] | 74 | auto sanitized = DigitsOnly(version.substr(*loc, new_loc - *loc)); |
| 75 | if (!sanitized.empty()) { |
| 76 | if (sanitized.size() < new_loc - *loc) { |
| 77 | LOG(ERROR) << "Unexpected version format: \"" << version |
| 78 | << "\""; |
| 79 | } |
| 80 | value = std::stoi(sanitized); |
| 81 | } |
Allen Webb | 8354262 | 2018-05-31 16:04:49 -0700 | [diff] [blame] | 82 | *loc = new_loc + 1; |
| 83 | } |
| 84 | return value; |
| 85 | } |
| 86 | |
| 87 | uint32_t VersionToUint32(const std::string& version) { |
| 88 | size_t loc = 0; |
| 89 | uint32_t major = ExtractVersion(version, &loc); |
| 90 | uint32_t minor = ExtractVersion(version, &loc); |
| 91 | uint32_t subminor = ExtractVersion(version, &loc); |
| 92 | return major * 10000 + minor * 100 + subminor; |
| 93 | } |
| 94 | |
Allen Webb | 8fb68f1 | 2018-05-24 16:36:44 -0700 | [diff] [blame] | 95 | uint32_t DateCodeToUint32(const std::string& code, bool include_day) { |
| 96 | // Keep digits only. |
| 97 | std::string filtered_code = DigitsOnly(code); |
| 98 | |
| 99 | // Return 0 if the date string has an unexpected number of digits. |
| 100 | uint32_t return_value = 0; |
| 101 | if (filtered_code.size() == 8) { |
| 102 | return_value = std::stoi(filtered_code); |
| 103 | if (!include_day) { |
| 104 | return_value /= 100; |
| 105 | } |
| 106 | } else if (filtered_code.size() == 6) { |
| 107 | return_value = std::stoi(filtered_code); |
| 108 | if (include_day) { |
| 109 | return_value *= 100; |
| 110 | } |
Allen Webb | fe11659 | 2018-06-06 16:26:29 -0700 | [diff] [blame] | 111 | } else { |
| 112 | LOG(ERROR) << "Unexpected patchset format: \"" << code << "\""; |
Allen Webb | 8fb68f1 | 2018-05-24 16:36:44 -0700 | [diff] [blame] | 113 | } |
| 114 | return return_value; |
| 115 | } |
| 116 | |
nagendra modadugu | 2a43a4c | 2018-10-10 17:44:34 -0700 | [diff] [blame] | 117 | // Helper class to call a finalizer on stack unwind. |
| 118 | class Finalize { |
| 119 | private: |
| 120 | std::function<void()> f_; |
| 121 | |
| 122 | public: |
| 123 | Finalize(std::function<void()> f) : f_(f) {} |
| 124 | ~Finalize() { if (f_) f_(); } |
| 125 | void release() { f_ = {}; } |
| 126 | }; |
| 127 | |
Allen Webb | 8fb68f1 | 2018-05-24 16:36:44 -0700 | [diff] [blame] | 128 | } // namespace |
| 129 | |
nagendra modadugu | 8a88337 | 2017-09-18 22:29:00 -0700 | [diff] [blame] | 130 | // std |
| 131 | using std::string; |
| 132 | |
Allen Webb | 8fb68f1 | 2018-05-24 16:36:44 -0700 | [diff] [blame] | 133 | // base |
| 134 | using ::android::base::GetProperty; |
| 135 | |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 136 | // libhidl |
| 137 | using ::android::hardware::Void; |
| 138 | |
| 139 | // HAL |
nagendra modadugu | f110176 | 2018-01-04 17:59:51 -0800 | [diff] [blame] | 140 | using ::android::hardware::keymaster::V4_0::Algorithm; |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 141 | using ::android::hardware::keymaster::V4_0::KeyCharacteristics; |
nagendra modadugu | f110176 | 2018-01-04 17:59:51 -0800 | [diff] [blame] | 142 | using ::android::hardware::keymaster::V4_0::KeyFormat; |
nagendra modadugu | 24945ea | 2018-05-16 17:55:39 -0700 | [diff] [blame] | 143 | using ::android::hardware::keymaster::V4_0::HardwareAuthToken; |
| 144 | using ::android::hardware::keymaster::V4_0::HardwareAuthenticatorType; |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 145 | using ::android::hardware::keymaster::V4_0::SecurityLevel; |
| 146 | using ::android::hardware::keymaster::V4_0::Tag; |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 147 | |
| 148 | // nos |
| 149 | using nos::NuggetClient; |
| 150 | |
| 151 | // Keymaster app |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 152 | // KM 3.0 types |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 153 | using ::nugget::app::keymaster::AddRngEntropyRequest; |
| 154 | using ::nugget::app::keymaster::AddRngEntropyResponse; |
| 155 | using ::nugget::app::keymaster::GenerateKeyRequest; |
| 156 | using ::nugget::app::keymaster::GenerateKeyResponse; |
| 157 | using ::nugget::app::keymaster::GetKeyCharacteristicsRequest; |
| 158 | using ::nugget::app::keymaster::GetKeyCharacteristicsResponse; |
| 159 | using ::nugget::app::keymaster::ImportKeyRequest; |
| 160 | using ::nugget::app::keymaster::ImportKeyResponse; |
| 161 | using ::nugget::app::keymaster::ExportKeyRequest; |
| 162 | using ::nugget::app::keymaster::ExportKeyResponse; |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 163 | using ::nugget::app::keymaster::StartAttestKeyRequest; |
| 164 | using ::nugget::app::keymaster::StartAttestKeyResponse; |
| 165 | using ::nugget::app::keymaster::ContinueAttestKeyRequest; |
| 166 | using ::nugget::app::keymaster::ContinueAttestKeyResponse; |
| 167 | using ::nugget::app::keymaster::FinishAttestKeyRequest; |
| 168 | using ::nugget::app::keymaster::FinishAttestKeyResponse; |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 169 | using ::nugget::app::keymaster::UpgradeKeyRequest; |
| 170 | using ::nugget::app::keymaster::UpgradeKeyResponse; |
| 171 | using ::nugget::app::keymaster::DeleteKeyRequest; |
| 172 | using ::nugget::app::keymaster::DeleteKeyResponse; |
| 173 | using ::nugget::app::keymaster::DeleteAllKeysRequest; |
| 174 | using ::nugget::app::keymaster::DeleteAllKeysResponse; |
| 175 | using ::nugget::app::keymaster::DestroyAttestationIdsRequest; |
| 176 | using ::nugget::app::keymaster::DestroyAttestationIdsResponse; |
| 177 | using ::nugget::app::keymaster::BeginOperationRequest; |
| 178 | using ::nugget::app::keymaster::BeginOperationResponse; |
| 179 | using ::nugget::app::keymaster::UpdateOperationRequest; |
| 180 | using ::nugget::app::keymaster::UpdateOperationResponse; |
| 181 | using ::nugget::app::keymaster::FinishOperationRequest; |
| 182 | using ::nugget::app::keymaster::FinishOperationResponse; |
| 183 | using ::nugget::app::keymaster::AbortOperationRequest; |
| 184 | using ::nugget::app::keymaster::AbortOperationResponse; |
Janis Danisevskis | da932b9 | 2018-04-13 18:21:07 -0700 | [diff] [blame] | 185 | using ::nugget::app::keymaster::ComputeSharedHmacRequest; |
| 186 | using ::nugget::app::keymaster::ComputeSharedHmacResponse; |
| 187 | using ::nugget::app::keymaster::GetHmacSharingParametersRequest; |
| 188 | using ::nugget::app::keymaster::GetHmacSharingParametersResponse; |
Allen Webb | 6f869fd | 2018-05-25 09:02:25 -0700 | [diff] [blame] | 189 | using ::nugget::app::keymaster::SetSystemVersionInfoRequest; |
| 190 | using ::nugget::app::keymaster::SetSystemVersionInfoResponse; |
Allen Webb | b5ec912 | 2018-05-30 14:30:43 -0700 | [diff] [blame] | 191 | using ::nugget::app::keymaster::GetBootInfoRequest; |
| 192 | using ::nugget::app::keymaster::GetBootInfoResponse; |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 193 | |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 194 | // KM 4.0 types |
| 195 | using ::nugget::app::keymaster::ImportWrappedKeyRequest; |
Janis Danisevskis | da932b9 | 2018-04-13 18:21:07 -0700 | [diff] [blame] | 196 | namespace nosapp = ::nugget::app::keymaster; |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 197 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 198 | static ErrorCode status_to_error_code(uint32_t status) |
| 199 | { |
| 200 | switch (status) { |
| 201 | case APP_SUCCESS: |
| 202 | return ErrorCode::OK; |
| 203 | break; |
| 204 | case APP_ERROR_BOGUS_ARGS: |
| 205 | return ErrorCode::INVALID_ARGUMENT; |
| 206 | break; |
| 207 | case APP_ERROR_INTERNAL: |
| 208 | return ErrorCode::UNKNOWN_ERROR; |
| 209 | break; |
| 210 | case APP_ERROR_TOO_MUCH: |
| 211 | return ErrorCode::INSUFFICIENT_BUFFER_SPACE; |
| 212 | break; |
| 213 | case APP_ERROR_RPC: |
| 214 | return ErrorCode::SECURE_HW_COMMUNICATION_FAILED; |
| 215 | break; |
| 216 | // TODO: app specific error codes go here. |
| 217 | default: |
| 218 | return ErrorCode::UNKNOWN_ERROR; |
| 219 | break; |
| 220 | } |
| 221 | } |
| 222 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 223 | #define KM_CALL(meth, request, response) { \ |
nagendra modadugu | 07be7f1 | 2017-12-28 11:20:45 -0800 | [diff] [blame] | 224 | const uint32_t status = _keymaster. meth (request, &response); \ |
| 225 | const ErrorCode error_code = translate_error_code(response.error_code()); \ |
| 226 | if (status != APP_SUCCESS) { \ |
| 227 | LOG(ERROR) << #meth << " : request failed with status: " \ |
| 228 | << nos::StatusCodeString(status); \ |
| 229 | return status_to_error_code(status); \ |
| 230 | } \ |
| 231 | if (error_code != ErrorCode::OK) { \ |
| 232 | LOG(ERROR) << #meth << " : device response error code: " \ |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 233 | << error_code; \ |
nagendra modadugu | 07be7f1 | 2017-12-28 11:20:45 -0800 | [diff] [blame] | 234 | return error_code; \ |
| 235 | } \ |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 236 | } |
| 237 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 238 | #define KM_CALLV(meth, request, response, ...) { \ |
nagendra modadugu | 07be7f1 | 2017-12-28 11:20:45 -0800 | [diff] [blame] | 239 | const uint32_t status = _keymaster. meth (request, &response); \ |
| 240 | const ErrorCode error_code = translate_error_code(response.error_code()); \ |
| 241 | if (status != APP_SUCCESS) { \ |
| 242 | LOG(ERROR) << #meth << " : request failed with status: " \ |
| 243 | << nos::StatusCodeString(status); \ |
| 244 | _hidl_cb(status_to_error_code(status), __VA_ARGS__); \ |
| 245 | return Void(); \ |
| 246 | } \ |
| 247 | if (error_code != ErrorCode::OK) { \ |
| 248 | LOG(ERROR) << #meth << " : device response error code: " \ |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 249 | << error_code; \ |
nagendra modadugu | 07be7f1 | 2017-12-28 11:20:45 -0800 | [diff] [blame] | 250 | _hidl_cb(error_code, __VA_ARGS__); \ |
| 251 | return Void(); \ |
| 252 | } \ |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 253 | } |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 254 | |
| 255 | // Methods from ::android::hardware::keymaster::V3_0::IKeymasterDevice follow. |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 256 | |
Allen Webb | 8fb68f1 | 2018-05-24 16:36:44 -0700 | [diff] [blame] | 257 | KeymasterDevice::KeymasterDevice(KeymasterClient& keymaster) : |
| 258 | _keymaster{keymaster} { |
Allen Webb | 8354262 | 2018-05-31 16:04:49 -0700 | [diff] [blame] | 259 | _os_version = VersionToUint32(GetProperty(PROPERTY_OS_VERSION, "")); |
Allen Webb | b5ec912 | 2018-05-30 14:30:43 -0700 | [diff] [blame] | 260 | _os_patchlevel = DateCodeToUint32(GetProperty(PROPERTY_OS_PATCHLEVEL, ""), |
Allen Webb | 3f96bd7 | 2018-05-25 08:01:32 -0700 | [diff] [blame] | 261 | false /* include_day */); |
Allen Webb | b5ec912 | 2018-05-30 14:30:43 -0700 | [diff] [blame] | 262 | _vendor_patchlevel = DateCodeToUint32( |
Allen Webb | 3f96bd7 | 2018-05-25 08:01:32 -0700 | [diff] [blame] | 263 | GetProperty(PROPERTY_VENDOR_PATCHLEVEL, ""), |
| 264 | true /* include_day */); |
Allen Webb | 6f869fd | 2018-05-25 09:02:25 -0700 | [diff] [blame] | 265 | |
Allen Webb | b5ec912 | 2018-05-30 14:30:43 -0700 | [diff] [blame] | 266 | SendSystemVersionInfo(); |
| 267 | GetBootInfo(); |
Allen Webb | 8fb68f1 | 2018-05-24 16:36:44 -0700 | [diff] [blame] | 268 | } |
| 269 | |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 270 | Return<void> KeymasterDevice::getHardwareInfo( |
| 271 | getHardwareInfo_cb _hidl_cb) |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 272 | { |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 273 | LOG(VERBOSE) << "Running KeymasterDevice::getHardwareInfo"; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 274 | |
nagendra modadugu | 8a88337 | 2017-09-18 22:29:00 -0700 | [diff] [blame] | 275 | (void)_keymaster; |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 276 | _hidl_cb(SecurityLevel::STRONGBOX, |
| 277 | string("CitadelKeymaster"), string("Google")); |
| 278 | |
| 279 | return Void(); |
| 280 | } |
| 281 | |
| 282 | Return<void> KeymasterDevice::getHmacSharingParameters( |
| 283 | getHmacSharingParameters_cb _hidl_cb) |
| 284 | { |
| 285 | LOG(VERBOSE) << "Running KeymasterDevice::getHmacSharingParameters"; |
| 286 | |
Janis Danisevskis | da932b9 | 2018-04-13 18:21:07 -0700 | [diff] [blame] | 287 | GetHmacSharingParametersRequest request; |
| 288 | GetHmacSharingParametersResponse response; |
| 289 | HmacSharingParameters result; |
| 290 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 291 | KM_CALLV(GetHmacSharingParameters, request, response, result); |
Janis Danisevskis | da932b9 | 2018-04-13 18:21:07 -0700 | [diff] [blame] | 292 | |
| 293 | ErrorCode ec = translate_error_code(response.error_code()); |
| 294 | |
| 295 | if (ec != ErrorCode::OK) { |
| 296 | _hidl_cb(ec, HmacSharingParameters()); |
| 297 | } |
| 298 | |
| 299 | const std::string & nonce = response.hmac_sharing_params().nonce(); |
| 300 | const std::string & seed = response.hmac_sharing_params().seed(); |
| 301 | |
| 302 | if (seed.size() == 32) { |
| 303 | result.seed.setToExternal(reinterpret_cast<uint8_t*>( |
| 304 | const_cast<char*>(seed.data())), |
| 305 | seed.size(), false); |
| 306 | } else if (seed.size() != 0) { |
| 307 | LOG(ERROR) << "Citadel returned unexpected seed size: " |
| 308 | << seed.size(); |
| 309 | _hidl_cb(ErrorCode::UNKNOWN_ERROR, HmacSharingParameters()); |
| 310 | return Void(); |
| 311 | } |
| 312 | |
| 313 | if (nonce.size() == result.nonce.size()) { |
| 314 | std::copy(nonce.begin(), nonce.end(), result.nonce.data()); |
| 315 | } else { |
| 316 | LOG(ERROR) << "Citadel returned unexpected nonce size: " |
| 317 | << nonce.size(); |
| 318 | _hidl_cb(ErrorCode::UNKNOWN_ERROR, HmacSharingParameters()); |
| 319 | return Void(); |
| 320 | } |
| 321 | |
| 322 | _hidl_cb(ec, result); |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 323 | |
| 324 | return Void(); |
| 325 | } |
| 326 | |
| 327 | Return<void> KeymasterDevice::computeSharedHmac( |
| 328 | const hidl_vec<HmacSharingParameters>& params, |
| 329 | computeSharedHmac_cb _hidl_cb) |
| 330 | { |
Janis Danisevskis | da932b9 | 2018-04-13 18:21:07 -0700 | [diff] [blame] | 331 | LOG(VERBOSE) << "Running KeymasterDevice::computeSharedHmac"; |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 332 | |
Janis Danisevskis | da932b9 | 2018-04-13 18:21:07 -0700 | [diff] [blame] | 333 | ComputeSharedHmacRequest request; |
| 334 | ComputeSharedHmacResponse response; |
| 335 | hidl_vec<uint8_t> result; |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 336 | |
Janis Danisevskis | da932b9 | 2018-04-13 18:21:07 -0700 | [diff] [blame] | 337 | for (const HmacSharingParameters & param : params) { |
| 338 | // TODO respect max number of parameters defined in |
| 339 | // keymaster_types.proto |
| 340 | nosapp::HmacSharingParameters* req_param = |
| 341 | request.add_hmac_sharing_params(); |
| 342 | req_param->set_nonce( |
| 343 | reinterpret_cast<const int8_t*>( |
| 344 | param.nonce.data()), param.nonce.size()); |
| 345 | req_param->set_seed(reinterpret_cast<const int8_t*>(param.seed.data()), |
| 346 | param.seed.size()); |
| 347 | } |
| 348 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 349 | KM_CALLV(ComputeSharedHmac, request, response, result); |
Janis Danisevskis | da932b9 | 2018-04-13 18:21:07 -0700 | [diff] [blame] | 350 | |
| 351 | ErrorCode ec = translate_error_code(response.error_code()); |
| 352 | |
| 353 | if (ec != ErrorCode::OK) { |
| 354 | _hidl_cb(ec, result); |
| 355 | return Void(); |
| 356 | } |
| 357 | |
| 358 | const std::string & share_check = response.sharing_check(); |
| 359 | |
| 360 | result.setToExternal(reinterpret_cast<uint8_t*>( |
| 361 | const_cast<char*>(share_check.data())), share_check.size(), false); |
| 362 | _hidl_cb(ec, result); |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 363 | |
| 364 | return Void(); |
| 365 | } |
| 366 | |
| 367 | Return<void> KeymasterDevice::verifyAuthorization( |
nagendra modadugu | 24945ea | 2018-05-16 17:55:39 -0700 | [diff] [blame] | 368 | uint64_t operationHandle, const hidl_vec<KeyParameter>& parametersToVerify, |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 369 | const HardwareAuthToken& authToken, verifyAuthorization_cb _hidl_cb) |
| 370 | { |
| 371 | LOG(VERBOSE) << "Running KeymasterDevice::verifyAuthorization"; |
| 372 | |
nagendra modadugu | 24945ea | 2018-05-16 17:55:39 -0700 | [diff] [blame] | 373 | (void)operationHandle; |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 374 | (void)parametersToVerify; |
| 375 | (void)authToken; |
| 376 | |
| 377 | (void)_keymaster; |
| 378 | _hidl_cb(ErrorCode::UNIMPLEMENTED, VerificationToken()); |
| 379 | |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 380 | return Void(); |
| 381 | } |
| 382 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 383 | Return<ErrorCode> KeymasterDevice::addRngEntropy(const hidl_vec<uint8_t>& data) |
| 384 | { |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 385 | LOG(VERBOSE) << "Running KeymasterDevice::addRngEntropy"; |
| 386 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 387 | if (!data.size()) return ErrorCode::OK; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 388 | |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 389 | const size_t chunk_size = 1024; |
| 390 | for (size_t i = 0; i < data.size(); i += chunk_size) { |
| 391 | AddRngEntropyRequest request; |
| 392 | AddRngEntropyResponse response; |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 393 | |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 394 | request.set_data(&data[i], std::min(chunk_size, data.size() - i)); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 395 | |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 396 | // Call device. |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 397 | KM_CALL(AddRngEntropy, request, response); |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 398 | } |
| 399 | |
| 400 | return ErrorCode::OK; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 401 | } |
| 402 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 403 | Return<void> KeymasterDevice::generateKey( |
| 404 | const hidl_vec<KeyParameter>& keyParams, |
| 405 | generateKey_cb _hidl_cb) |
| 406 | { |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 407 | LOG(VERBOSE) << "Running KeymasterDevice::generateKey"; |
| 408 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 409 | GenerateKeyRequest request; |
| 410 | GenerateKeyResponse response; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 411 | |
nagendra modadugu | e3ef469 | 2017-10-25 23:58:07 -0700 | [diff] [blame] | 412 | hidl_vec<uint8_t> blob; |
| 413 | KeyCharacteristics characteristics; |
| 414 | if (hidl_params_to_pb( |
| 415 | keyParams, request.mutable_params()) != ErrorCode::OK) { |
| 416 | _hidl_cb(ErrorCode::INVALID_ARGUMENT, blob, characteristics); |
| 417 | return Void(); |
| 418 | } |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 419 | |
| 420 | // Call device. |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 421 | KM_CALLV(GenerateKey, request, response, |
| 422 | hidl_vec<uint8_t>{}, KeyCharacteristics()); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 423 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 424 | blob.setToExternal( |
| 425 | reinterpret_cast<uint8_t*>( |
| 426 | const_cast<char*>(response.blob().blob().data())), |
| 427 | response.blob().blob().size(), false); |
nagendra modadugu | e3ef469 | 2017-10-25 23:58:07 -0700 | [diff] [blame] | 428 | pb_to_hidl_params(response.characteristics().software_enforced(), |
| 429 | &characteristics.softwareEnforced); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 430 | pb_to_hidl_params(response.characteristics().tee_enforced(), |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 431 | &characteristics.hardwareEnforced); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 432 | |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 433 | _hidl_cb(translate_error_code(response.error_code()), |
| 434 | blob, characteristics); |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 435 | return Void(); |
| 436 | } |
| 437 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 438 | Return<void> KeymasterDevice::getKeyCharacteristics( |
| 439 | const hidl_vec<uint8_t>& keyBlob, |
| 440 | const hidl_vec<uint8_t>& clientId, |
| 441 | const hidl_vec<uint8_t>& appData, |
| 442 | getKeyCharacteristics_cb _hidl_cb) |
| 443 | { |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 444 | LOG(VERBOSE) << "Running KeymasterDevice::getKeyCharacteristics"; |
| 445 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 446 | GetKeyCharacteristicsRequest request; |
| 447 | GetKeyCharacteristicsResponse response; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 448 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 449 | request.mutable_blob()->set_blob(&keyBlob[0], keyBlob.size()); |
| 450 | request.set_client_id(&clientId[0], clientId.size()); |
| 451 | request.set_app_data(&appData[0], appData.size()); |
| 452 | |
| 453 | // Call device. |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 454 | KM_CALLV(GetKeyCharacteristics, request, response, KeyCharacteristics()); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 455 | |
| 456 | KeyCharacteristics characteristics; |
nagendra modadugu | e3ef469 | 2017-10-25 23:58:07 -0700 | [diff] [blame] | 457 | pb_to_hidl_params(response.characteristics().software_enforced(), |
| 458 | &characteristics.softwareEnforced); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 459 | pb_to_hidl_params(response.characteristics().tee_enforced(), |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 460 | &characteristics.hardwareEnforced); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 461 | |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 462 | _hidl_cb(translate_error_code(response.error_code()), characteristics); |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 463 | return Void(); |
| 464 | } |
| 465 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 466 | Return<void> KeymasterDevice::importKey( |
| 467 | const hidl_vec<KeyParameter>& params, KeyFormat keyFormat, |
| 468 | const hidl_vec<uint8_t>& keyData, importKey_cb _hidl_cb) |
| 469 | { |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 470 | LOG(VERBOSE) << "Running KeymasterDevice::importKey"; |
| 471 | |
nagendra modadugu | 9747140 | 2017-09-27 14:01:00 -0700 | [diff] [blame] | 472 | ErrorCode error; |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 473 | ImportKeyRequest request; |
| 474 | ImportKeyResponse response; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 475 | |
nagendra modadugu | 9747140 | 2017-09-27 14:01:00 -0700 | [diff] [blame] | 476 | error = import_key_request(params, keyFormat, keyData, &request); |
| 477 | if (error != ErrorCode::OK) { |
| 478 | LOG(ERROR) << "ImportKey request parsing failed with error " |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 479 | << error; |
nagendra modadugu | 9747140 | 2017-09-27 14:01:00 -0700 | [diff] [blame] | 480 | _hidl_cb(error, hidl_vec<uint8_t>{}, KeyCharacteristics{}); |
| 481 | return Void(); |
| 482 | } |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 483 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 484 | KM_CALLV(ImportKey, request, response, |
| 485 | hidl_vec<uint8_t>{}, KeyCharacteristics{}); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 486 | |
| 487 | hidl_vec<uint8_t> blob; |
| 488 | blob.setToExternal( |
| 489 | reinterpret_cast<uint8_t*>( |
| 490 | const_cast<char*>(response.blob().blob().data())), |
| 491 | response.blob().blob().size(), false); |
| 492 | |
| 493 | KeyCharacteristics characteristics; |
nagendra modadugu | e3ef469 | 2017-10-25 23:58:07 -0700 | [diff] [blame] | 494 | pb_to_hidl_params(response.characteristics().software_enforced(), |
| 495 | &characteristics.softwareEnforced); |
nagendra modadugu | 9747140 | 2017-09-27 14:01:00 -0700 | [diff] [blame] | 496 | error = pb_to_hidl_params(response.characteristics().tee_enforced(), |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 497 | &characteristics.hardwareEnforced); |
nagendra modadugu | 9747140 | 2017-09-27 14:01:00 -0700 | [diff] [blame] | 498 | if (error != ErrorCode::OK) { |
| 499 | LOG(ERROR) << "KeymasterDevice::importKey: response tee_enforced :" |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 500 | << error; |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 501 | _hidl_cb(error, hidl_vec<uint8_t>{}, KeyCharacteristics{}); |
| 502 | return Void(); |
nagendra modadugu | 9747140 | 2017-09-27 14:01:00 -0700 | [diff] [blame] | 503 | } |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 504 | |
| 505 | _hidl_cb(ErrorCode::OK, blob, characteristics); |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 506 | return Void(); |
| 507 | } |
| 508 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 509 | Return<void> KeymasterDevice::exportKey( |
| 510 | KeyFormat exportFormat, const hidl_vec<uint8_t>& keyBlob, |
| 511 | const hidl_vec<uint8_t>& clientId, |
| 512 | const hidl_vec<uint8_t>& appData, exportKey_cb _hidl_cb) |
| 513 | { |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 514 | LOG(VERBOSE) << "Running KeymasterDevice::exportKey"; |
| 515 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 516 | ExportKeyRequest request; |
| 517 | ExportKeyResponse response; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 518 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 519 | request.set_format((::nugget::app::keymaster::KeyFormat)exportFormat); |
| 520 | request.mutable_blob()->set_blob(&keyBlob[0], keyBlob.size()); |
| 521 | request.set_client_id(&clientId[0], clientId.size()); |
| 522 | request.set_app_data(&appData[0], appData.size()); |
| 523 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 524 | KM_CALLV(ExportKey, request, response, hidl_vec<uint8_t>{}); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 525 | |
nagendra modadugu | f5127a3 | 2018-01-24 16:30:49 -0800 | [diff] [blame] | 526 | ErrorCode error_code = translate_error_code(response.error_code()); |
| 527 | if (error_code != ErrorCode::OK) { |
| 528 | _hidl_cb(error_code, hidl_vec<uint8_t>{}); |
| 529 | } |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 530 | |
nagendra modadugu | f5127a3 | 2018-01-24 16:30:49 -0800 | [diff] [blame] | 531 | hidl_vec<uint8_t> der; |
| 532 | error_code = export_key_der(response, &der); |
| 533 | |
| 534 | _hidl_cb(error_code, der); |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 535 | return Void(); |
| 536 | } |
| 537 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 538 | Return<void> KeymasterDevice::attestKey( |
| 539 | const hidl_vec<uint8_t>& keyToAttest, |
| 540 | const hidl_vec<KeyParameter>& attestParams, |
| 541 | attestKey_cb _hidl_cb) |
| 542 | { |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 543 | LOG(VERBOSE) << "Running KeymasterDevice::attestKey"; |
| 544 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 545 | StartAttestKeyRequest startRequest; |
| 546 | StartAttestKeyResponse startResponse; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 547 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 548 | startRequest.mutable_blob()->set_blob(&keyToAttest[0], keyToAttest.size()); |
nagendra modadugu | e3ef469 | 2017-10-25 23:58:07 -0700 | [diff] [blame] | 549 | |
| 550 | vector<hidl_vec<uint8_t> > chain; |
| 551 | if (hidl_params_to_pb( |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 552 | attestParams, startRequest.mutable_params()) != ErrorCode::OK) { |
nagendra modadugu | e3ef469 | 2017-10-25 23:58:07 -0700 | [diff] [blame] | 553 | _hidl_cb(ErrorCode::INVALID_ARGUMENT, chain); |
| 554 | return Void(); |
| 555 | } |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 556 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 557 | // TODO: |
| 558 | // startRequest.set_attestation_app_id_len( |
| 559 | // attestation_app_id_len(attestParams)); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 560 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 561 | KM_CALLV(StartAttestKey, startRequest, startResponse, |
| 562 | hidl_vec<hidl_vec<uint8_t> >{}); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 563 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 564 | uint64_t operationHandle = startResponse.handle().handle(); |
| 565 | ContinueAttestKeyRequest continueRequest; |
| 566 | ContinueAttestKeyResponse continueResponse; |
nagendra modadugu | 2a43a4c | 2018-10-10 17:44:34 -0700 | [diff] [blame] | 567 | // Prepare to abort the pending operation in event of an error. |
| 568 | Finalize finalize([&] () { abort(operationHandle); }); |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 569 | |
| 570 | continueRequest.mutable_handle()->set_handle(operationHandle); |
| 571 | // TODO |
| 572 | // continueRequest.set_attestation_app_id( |
| 573 | // attestation_app_id(attestParams)); |
| 574 | |
| 575 | KM_CALLV(ContinueAttestKey, continueRequest, continueResponse, |
| 576 | hidl_vec<hidl_vec<uint8_t> >{}); |
| 577 | |
| 578 | FinishAttestKeyRequest finishRequest; |
| 579 | FinishAttestKeyResponse finishResponse; |
| 580 | |
| 581 | finishRequest.mutable_handle()->set_handle(operationHandle); |
| 582 | |
| 583 | KM_CALLV(FinishAttestKey, finishRequest, finishResponse, |
| 584 | hidl_vec<hidl_vec<uint8_t> >{}); |
| 585 | |
| 586 | std::stringstream ss; |
| 587 | ss << startResponse.certificate_prologue(); |
| 588 | ss << continueResponse.certificate_body(); |
| 589 | ss << finishResponse.certificate_epilogue(); |
| 590 | |
| 591 | hidl_vec<uint8_t> attestation_certificate; |
| 592 | attestation_certificate.setToExternal( |
| 593 | reinterpret_cast<uint8_t*>( |
| 594 | const_cast<char*>(ss.str().data())), |
| 595 | ss.str().size(), false); |
| 596 | |
| 597 | chain.push_back(attestation_certificate); |
| 598 | // TODO: |
| 599 | // chain.push_back(intermediate_certificate()); |
| 600 | // chain.push_back(root_certificate()); |
| 601 | // verify cert chain |
| 602 | |
| 603 | _hidl_cb(ErrorCode::OK, hidl_vec<hidl_vec<uint8_t> >(chain)); |
nagendra modadugu | 2a43a4c | 2018-10-10 17:44:34 -0700 | [diff] [blame] | 604 | finalize.release(); |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 605 | return Void(); |
| 606 | } |
| 607 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 608 | Return<void> KeymasterDevice::upgradeKey( |
| 609 | const hidl_vec<uint8_t>& keyBlobToUpgrade, |
| 610 | const hidl_vec<KeyParameter>& upgradeParams, |
| 611 | upgradeKey_cb _hidl_cb) |
| 612 | { |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 613 | LOG(VERBOSE) << "Running KeymasterDevice::upgradeKey"; |
| 614 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 615 | UpgradeKeyRequest request; |
| 616 | UpgradeKeyResponse response; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 617 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 618 | request.mutable_blob()->set_blob(&keyBlobToUpgrade[0], |
| 619 | keyBlobToUpgrade.size()); |
nagendra modadugu | e3ef469 | 2017-10-25 23:58:07 -0700 | [diff] [blame] | 620 | |
| 621 | hidl_vec<uint8_t> blob; |
| 622 | if (hidl_params_to_pb( |
| 623 | upgradeParams, request.mutable_params()) != ErrorCode::OK) { |
| 624 | _hidl_cb(ErrorCode::INVALID_ARGUMENT, blob); |
| 625 | return Void(); |
| 626 | } |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 627 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 628 | KM_CALLV(UpgradeKey, request, response, hidl_vec<uint8_t>{}); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 629 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 630 | blob.setToExternal( |
| 631 | reinterpret_cast<uint8_t*>( |
| 632 | const_cast<char*>(response.blob().blob().data())), |
| 633 | response.blob().blob().size(), false); |
| 634 | |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 635 | _hidl_cb(translate_error_code(response.error_code()), blob); |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 636 | return Void(); |
| 637 | } |
| 638 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 639 | Return<ErrorCode> KeymasterDevice::deleteKey(const hidl_vec<uint8_t>& keyBlob) |
| 640 | { |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 641 | LOG(VERBOSE) << "Running KeymasterDevice::deleteKey"; |
| 642 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 643 | DeleteKeyRequest request; |
| 644 | DeleteKeyResponse response; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 645 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 646 | request.mutable_blob()->set_blob(&keyBlob[0], keyBlob.size()); |
| 647 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 648 | KM_CALL(DeleteKey, request, response); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 649 | |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 650 | return translate_error_code(response.error_code()); |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 651 | } |
| 652 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 653 | Return<ErrorCode> KeymasterDevice::deleteAllKeys() |
| 654 | { |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 655 | LOG(VERBOSE) << "Running KeymasterDevice::deleteAllKeys"; |
| 656 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 657 | DeleteAllKeysRequest request; |
| 658 | DeleteAllKeysResponse response; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 659 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 660 | KM_CALL(DeleteAllKeys, request, response); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 661 | |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 662 | return translate_error_code(response.error_code()); |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 663 | } |
| 664 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 665 | Return<ErrorCode> KeymasterDevice::destroyAttestationIds() |
| 666 | { |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 667 | LOG(VERBOSE) << "Running KeymasterDevice::destroyAttestationIds"; |
| 668 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 669 | DestroyAttestationIdsRequest request; |
| 670 | DestroyAttestationIdsResponse response; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 671 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 672 | KM_CALL(DestroyAttestationIds, request, response); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 673 | |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 674 | return translate_error_code(response.error_code()); |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 675 | } |
| 676 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 677 | Return<void> KeymasterDevice::begin( |
| 678 | KeyPurpose purpose, const hidl_vec<uint8_t>& key, |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 679 | const hidl_vec<KeyParameter>& inParams, |
| 680 | const HardwareAuthToken& authToken, |
| 681 | begin_cb _hidl_cb) |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 682 | { |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 683 | LOG(VERBOSE) << "Running KeymasterDevice::begin"; |
| 684 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 685 | BeginOperationRequest request; |
| 686 | BeginOperationResponse response; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 687 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 688 | request.set_purpose((::nugget::app::keymaster::KeyPurpose)purpose); |
| 689 | request.mutable_blob()->set_blob(&key[0], key.size()); |
nagendra modadugu | e3ef469 | 2017-10-25 23:58:07 -0700 | [diff] [blame] | 690 | |
| 691 | hidl_vec<KeyParameter> params; |
nagendra modadugu | 6c9d8bd | 2018-06-03 02:41:03 -0700 | [diff] [blame] | 692 | tag_map_t tag_map; |
nagendra modadugu | 24945ea | 2018-05-16 17:55:39 -0700 | [diff] [blame] | 693 | if (translate_auth_token( |
| 694 | authToken, request.mutable_auth_token()) != ErrorCode::OK) { |
| 695 | _hidl_cb(ErrorCode::INVALID_ARGUMENT, params, |
| 696 | response.handle().handle()); |
| 697 | return Void(); |
| 698 | } |
nagendra modadugu | e3ef469 | 2017-10-25 23:58:07 -0700 | [diff] [blame] | 699 | if (hidl_params_to_pb( |
| 700 | inParams, request.mutable_params()) != ErrorCode::OK) { |
| 701 | _hidl_cb(ErrorCode::INVALID_ARGUMENT, params, |
| 702 | response.handle().handle()); |
| 703 | return Void(); |
| 704 | } |
nagendra modadugu | 6c9d8bd | 2018-06-03 02:41:03 -0700 | [diff] [blame] | 705 | if (hidl_params_to_map(inParams, &tag_map) != ErrorCode::OK) { |
| 706 | _hidl_cb(ErrorCode::INVALID_ARGUMENT, params, |
| 707 | response.handle().handle()); |
| 708 | return Void(); |
| 709 | } |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 710 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 711 | KM_CALLV(BeginOperation, request, response, hidl_vec<KeyParameter>{}, 0); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 712 | |
nagendra modadugu | 6c9d8bd | 2018-06-03 02:41:03 -0700 | [diff] [blame] | 713 | // Setup HAL buffering for this operation's data. |
| 714 | Algorithm algorithm; |
| 715 | if (translate_algorithm(response.algorithm(), &algorithm) != |
| 716 | ErrorCode::OK) { |
| 717 | if (this->abort(response.handle().handle()) != ErrorCode::OK) { |
| 718 | LOG(ERROR) << "abort( " << response.handle().handle() |
| 719 | << ") failed"; |
| 720 | } |
| 721 | _hidl_cb(ErrorCode::INVALID_ARGUMENT, params, |
| 722 | response.handle().handle()); |
| 723 | return Void(); |
| 724 | } |
nagendra modadugu | 3e86435 | 2018-06-07 09:16:52 -0700 | [diff] [blame] | 725 | ErrorCode error_code = buffer_begin(response.handle().handle(), algorithm); |
nagendra modadugu | 6c9d8bd | 2018-06-03 02:41:03 -0700 | [diff] [blame] | 726 | if (error_code != ErrorCode::OK) { |
| 727 | if (this->abort(response.handle().handle()) != ErrorCode::OK) { |
| 728 | LOG(ERROR) << "abort( " << response.handle().handle() |
| 729 | << ") failed"; |
| 730 | } |
| 731 | _hidl_cb(ErrorCode::UNKNOWN_ERROR, params, |
| 732 | response.handle().handle()); |
| 733 | return Void(); |
| 734 | } |
| 735 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 736 | pb_to_hidl_params(response.params(), ¶ms); |
| 737 | |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 738 | _hidl_cb(translate_error_code(response.error_code()), params, |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 739 | response.handle().handle()); |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 740 | return Void(); |
| 741 | } |
| 742 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 743 | Return<void> KeymasterDevice::update( |
| 744 | uint64_t operationHandle, |
| 745 | const hidl_vec<KeyParameter>& inParams, |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 746 | const hidl_vec<uint8_t>& input, |
| 747 | const HardwareAuthToken& authToken, |
| 748 | const VerificationToken& verificationToken, |
| 749 | update_cb _hidl_cb) |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 750 | { |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 751 | LOG(VERBOSE) << "Running KeymasterDevice::update"; |
| 752 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 753 | UpdateOperationRequest request; |
| 754 | UpdateOperationResponse response; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 755 | |
nagendra modadugu | 6c9d8bd | 2018-06-03 02:41:03 -0700 | [diff] [blame] | 756 | // TODO: does keystore chunk stream data? To what quantum? |
nagendra modadugu | 1943967 | 2018-01-17 16:43:26 -0800 | [diff] [blame] | 757 | if (input.size() > KM_MAX_PROTO_FIELD_SIZE) { |
| 758 | LOG(ERROR) << "Excess input length: " << input.size() |
| 759 | << "max allowed: " << KM_MAX_PROTO_FIELD_SIZE; |
| 760 | if (this->abort(operationHandle) != ErrorCode::OK) { |
| 761 | LOG(ERROR) << "abort( " << operationHandle |
| 762 | << ") failed"; |
| 763 | } |
| 764 | _hidl_cb(ErrorCode::INVALID_INPUT_LENGTH, 0, |
| 765 | hidl_vec<KeyParameter>{}, hidl_vec<uint8_t>{}); |
| 766 | return Void(); |
| 767 | } |
| 768 | |
nagendra modadugu | 6c9d8bd | 2018-06-03 02:41:03 -0700 | [diff] [blame] | 769 | uint32_t consumed; |
| 770 | hidl_vec<uint8_t> output; |
| 771 | hidl_vec<KeyParameter> params; |
| 772 | ErrorCode error_code; |
| 773 | error_code = buffer_append(operationHandle, input, &consumed); |
| 774 | if (error_code != ErrorCode::OK) { |
| 775 | _hidl_cb(error_code, 0, params, output); |
| 776 | return Void(); |
| 777 | } |
| 778 | |
| 779 | hidl_vec<uint8_t> blocks; |
nagendra modadugu | 9d75b7d | 2018-06-05 14:53:57 -0700 | [diff] [blame] | 780 | error_code = buffer_peek(operationHandle, &blocks); |
nagendra modadugu | 6c9d8bd | 2018-06-03 02:41:03 -0700 | [diff] [blame] | 781 | if (error_code != ErrorCode::OK) { |
| 782 | _hidl_cb(error_code, 0, params, output); |
| 783 | return Void(); |
| 784 | } |
| 785 | |
| 786 | if (blocks.size() == 0) { |
| 787 | // Insufficient data available to proceed. |
| 788 | _hidl_cb(ErrorCode::OK, consumed, params, output); |
| 789 | return Void(); |
| 790 | } |
| 791 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 792 | request.mutable_handle()->set_handle(operationHandle); |
nagendra modadugu | e3ef469 | 2017-10-25 23:58:07 -0700 | [diff] [blame] | 793 | |
nagendra modadugu | e3ef469 | 2017-10-25 23:58:07 -0700 | [diff] [blame] | 794 | if (hidl_params_to_pb( |
| 795 | inParams, request.mutable_params()) != ErrorCode::OK) { |
| 796 | _hidl_cb(ErrorCode::INVALID_ARGUMENT, 0, params, output); |
| 797 | return Void(); |
| 798 | } |
| 799 | |
nagendra modadugu | 6c9d8bd | 2018-06-03 02:41:03 -0700 | [diff] [blame] | 800 | request.set_input(&blocks[0], blocks.size()); |
nagendra modadugu | 24945ea | 2018-05-16 17:55:39 -0700 | [diff] [blame] | 801 | if (translate_auth_token( |
| 802 | authToken, request.mutable_auth_token()) != ErrorCode::OK) { |
| 803 | _hidl_cb(ErrorCode::INVALID_ARGUMENT, 0, params, output); |
| 804 | return Void(); |
| 805 | } |
| 806 | translate_verification_token(verificationToken, |
| 807 | request.mutable_verification_token()); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 808 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 809 | KM_CALLV(UpdateOperation, request, response, |
| 810 | 0, hidl_vec<KeyParameter>{}, hidl_vec<uint8_t>{}); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 811 | |
nagendra modadugu | 9d75b7d | 2018-06-05 14:53:57 -0700 | [diff] [blame] | 812 | if (buffer_advance(operationHandle, response.consumed()) != ErrorCode::OK) { |
| 813 | _hidl_cb(ErrorCode::UNKNOWN_ERROR, 0, params, output); |
| 814 | return Void(); |
| 815 | } |
| 816 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 817 | pb_to_hidl_params(response.params(), ¶ms); |
| 818 | output.setToExternal( |
| 819 | reinterpret_cast<uint8_t*>(const_cast<char*>(response.output().data())), |
| 820 | response.output().size(), false); |
| 821 | |
nagendra modadugu | 6c9d8bd | 2018-06-03 02:41:03 -0700 | [diff] [blame] | 822 | _hidl_cb(ErrorCode::OK, consumed, params, output); |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 823 | return Void(); |
| 824 | } |
| 825 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 826 | Return<void> KeymasterDevice::finish( |
| 827 | uint64_t operationHandle, |
| 828 | const hidl_vec<KeyParameter>& inParams, |
| 829 | const hidl_vec<uint8_t>& input, |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 830 | const hidl_vec<uint8_t>& signature, |
| 831 | const HardwareAuthToken& authToken, |
| 832 | const VerificationToken& verificationToken, |
| 833 | finish_cb _hidl_cb) |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 834 | { |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 835 | LOG(VERBOSE) << "Running KeymasterDevice::finish"; |
| 836 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 837 | FinishOperationRequest request; |
| 838 | FinishOperationResponse response; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 839 | |
nagendra modadugu | 1943967 | 2018-01-17 16:43:26 -0800 | [diff] [blame] | 840 | if (input.size() > KM_MAX_PROTO_FIELD_SIZE) { |
| 841 | LOG(ERROR) << "Excess input length: " << input.size() |
| 842 | << "max allowed: " << KM_MAX_PROTO_FIELD_SIZE; |
| 843 | if (this->abort(operationHandle) != ErrorCode::OK) { |
| 844 | LOG(ERROR) << "abort( " << operationHandle |
| 845 | << ") failed"; |
| 846 | } |
| 847 | _hidl_cb(ErrorCode::INVALID_INPUT_LENGTH, |
| 848 | hidl_vec<KeyParameter>{}, hidl_vec<uint8_t>{}); |
| 849 | return Void(); |
| 850 | } |
| 851 | |
nagendra modadugu | 6c9d8bd | 2018-06-03 02:41:03 -0700 | [diff] [blame] | 852 | uint32_t consumed; |
| 853 | ErrorCode error_code; |
| 854 | error_code = buffer_append(operationHandle, input, &consumed); |
| 855 | if (error_code != ErrorCode::OK) { |
| 856 | _hidl_cb(error_code, |
| 857 | hidl_vec<KeyParameter>{}, hidl_vec<uint8_t>{}); |
| 858 | return Void(); |
| 859 | } |
| 860 | |
| 861 | hidl_vec<uint8_t> data; |
| 862 | error_code = buffer_final(operationHandle, &data); |
| 863 | if (error_code != ErrorCode::OK) { |
| 864 | _hidl_cb(error_code, |
| 865 | hidl_vec<KeyParameter>{}, hidl_vec<uint8_t>{}); |
| 866 | return Void(); |
| 867 | } |
| 868 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 869 | request.mutable_handle()->set_handle(operationHandle); |
nagendra modadugu | e3ef469 | 2017-10-25 23:58:07 -0700 | [diff] [blame] | 870 | |
| 871 | hidl_vec<KeyParameter> params; |
| 872 | hidl_vec<uint8_t> output; |
| 873 | if (hidl_params_to_pb( |
| 874 | inParams, request.mutable_params()) != ErrorCode::OK) { |
| 875 | _hidl_cb(ErrorCode::INVALID_ARGUMENT, params, output); |
| 876 | return Void(); |
| 877 | } |
| 878 | |
nagendra modadugu | 6c9d8bd | 2018-06-03 02:41:03 -0700 | [diff] [blame] | 879 | request.set_input(&data[0], data.size()); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 880 | request.set_signature(&signature[0], signature.size()); |
| 881 | |
nagendra modadugu | 24945ea | 2018-05-16 17:55:39 -0700 | [diff] [blame] | 882 | if (translate_auth_token( |
| 883 | authToken, request.mutable_auth_token()) != ErrorCode::OK) { |
| 884 | _hidl_cb(ErrorCode::INVALID_ARGUMENT, params, output); |
| 885 | return Void(); |
| 886 | } |
| 887 | translate_verification_token(verificationToken, |
| 888 | request.mutable_verification_token()); |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 889 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 890 | KM_CALLV(FinishOperation, request, response, |
| 891 | hidl_vec<KeyParameter>{}, hidl_vec<uint8_t>{}); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 892 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 893 | pb_to_hidl_params(response.params(), ¶ms); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 894 | output.setToExternal( |
| 895 | reinterpret_cast<uint8_t*>(const_cast<char*>(response.output().data())), |
| 896 | response.output().size(), false); |
| 897 | |
| 898 | _hidl_cb(ErrorCode::OK, params, output); |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 899 | return Void(); |
| 900 | } |
| 901 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 902 | Return<ErrorCode> KeymasterDevice::abort(uint64_t operationHandle) |
| 903 | { |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 904 | LOG(VERBOSE) << "Running KeymasterDevice::abort"; |
| 905 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 906 | AbortOperationRequest request; |
| 907 | AbortOperationResponse response; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 908 | |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 909 | request.mutable_handle()->set_handle(operationHandle); |
| 910 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 911 | KM_CALL(AbortOperation, request, response); |
nagendra modadugu | 284b939 | 2017-09-27 13:51:23 -0700 | [diff] [blame] | 912 | |
| 913 | return ErrorCode::OK; |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 914 | } |
| 915 | |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 916 | // Methods from ::android::hardware::keymaster::V4_0::IKeymasterDevice follow. |
| 917 | Return<void> KeymasterDevice::importWrappedKey( |
| 918 | const hidl_vec<uint8_t>& wrappedKeyData, |
| 919 | const hidl_vec<uint8_t>& wrappingKeyBlob, |
| 920 | const hidl_vec<uint8_t>& maskingKey, |
nagendra modadugu | 9c231ef | 2018-01-19 15:51:59 -0800 | [diff] [blame] | 921 | const hidl_vec<KeyParameter>& /* unwrappingParams */, |
| 922 | uint64_t /* passwordSid */, uint64_t /* biometricSid */, |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 923 | importWrappedKey_cb _hidl_cb) |
| 924 | { |
| 925 | LOG(VERBOSE) << "Running KeymasterDevice::importWrappedKey"; |
| 926 | |
| 927 | ErrorCode error; |
| 928 | ImportWrappedKeyRequest request; |
| 929 | ImportKeyResponse response; |
| 930 | |
| 931 | if (maskingKey.size() != KM_WRAPPER_MASKING_KEY_SIZE) { |
| 932 | _hidl_cb(ErrorCode::INVALID_ARGUMENT, hidl_vec<uint8_t>{}, |
| 933 | KeyCharacteristics{}); |
| 934 | return Void(); |
| 935 | } |
| 936 | |
| 937 | error = import_wrapped_key_request(wrappedKeyData, wrappingKeyBlob, |
| 938 | maskingKey, &request); |
| 939 | if (error != ErrorCode::OK) { |
| 940 | LOG(ERROR) << "ImportWrappedKey request parsing failed with error " |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 941 | << error; |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 942 | _hidl_cb(error, hidl_vec<uint8_t>{}, KeyCharacteristics{}); |
| 943 | return Void(); |
| 944 | } |
| 945 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 946 | KM_CALLV(ImportWrappedKey, request, response, |
| 947 | hidl_vec<uint8_t>{}, KeyCharacteristics{}); |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 948 | |
| 949 | hidl_vec<uint8_t> blob; |
| 950 | blob.setToExternal( |
| 951 | reinterpret_cast<uint8_t*>( |
| 952 | const_cast<char*>(response.blob().blob().data())), |
| 953 | response.blob().blob().size(), false); |
| 954 | |
| 955 | KeyCharacteristics characteristics; |
| 956 | // TODO: anything to do here with softwareEnforced? |
| 957 | pb_to_hidl_params(response.characteristics().software_enforced(), |
| 958 | &characteristics.softwareEnforced); |
| 959 | error = pb_to_hidl_params(response.characteristics().tee_enforced(), |
| 960 | &characteristics.hardwareEnforced); |
| 961 | if (error != ErrorCode::OK) { |
| 962 | LOG(ERROR) << |
| 963 | "KeymasterDevice::importWrappedKey: response tee_enforced :" |
nagendra modadugu | e2914e4 | 2018-01-02 17:42:46 -0800 | [diff] [blame] | 964 | << error; |
nagendra modadugu | ec66730 | 2017-12-04 21:37:22 -0800 | [diff] [blame] | 965 | _hidl_cb(error, hidl_vec<uint8_t>{}, KeyCharacteristics{}); |
| 966 | return Void(); |
| 967 | } |
| 968 | |
| 969 | _hidl_cb(ErrorCode::OK, blob, characteristics); |
| 970 | return Void(); |
| 971 | } |
| 972 | |
Allen Webb | b5ec912 | 2018-05-30 14:30:43 -0700 | [diff] [blame] | 973 | // Private methods. |
| 974 | Return<ErrorCode> KeymasterDevice::SendSystemVersionInfo() const { |
| 975 | SetSystemVersionInfoRequest request; |
| 976 | SetSystemVersionInfoResponse response; |
| 977 | |
| 978 | request.set_system_version(_os_version); |
| 979 | request.set_system_security_level(_os_patchlevel); |
| 980 | request.set_vendor_security_level(_vendor_patchlevel); |
| 981 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 982 | KM_CALL(SetSystemVersionInfo, request, response); |
Allen Webb | b5ec912 | 2018-05-30 14:30:43 -0700 | [diff] [blame] | 983 | return ErrorCode::OK; |
| 984 | } |
| 985 | |
| 986 | Return<ErrorCode> KeymasterDevice::GetBootInfo() { |
| 987 | GetBootInfoRequest request; |
| 988 | GetBootInfoResponse response; |
| 989 | |
nagendra modadugu | 5104bbc | 2018-06-06 11:48:14 -0700 | [diff] [blame] | 990 | KM_CALL(GetBootInfo, request, response); |
Allen Webb | b5ec912 | 2018-05-30 14:30:43 -0700 | [diff] [blame] | 991 | |
| 992 | _is_unlocked = response.is_unlocked(); |
| 993 | _boot_color = response.boot_color(); |
| 994 | _boot_key.assign(response.boot_key().begin(), response.boot_key().end()); |
| 995 | _boot_hash.assign(response.boot_hash().begin(), response.boot_hash().end()); |
| 996 | return ErrorCode::OK; |
| 997 | } |
| 998 | |
Andrew Scull | e4e2ffc | 2017-08-10 10:03:20 +0100 | [diff] [blame] | 999 | } // namespace keymaster |
| 1000 | } // namespace hardware |
| 1001 | } // namespace android |