1 /* 2 ** 3 ** Copyright 2016, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 #ifndef LEGACY_KEYMASTER_DEVICE_WRAPPER_H_ 19 #define LEGACY_KEYMASTER_DEVICE_WRAPPER_H_ 20 21 #include <android/hardware/keymaster/3.0/IKeymasterDevice.h> 22 #include <hidl/Status.h> 23 #include <hidl/MQDescriptor.h> 24 25 struct keymaster2_device; 26 typedef struct keymaster2_device keymaster2_device_t; 27 28 namespace android { 29 namespace keystore { 30 31 using ::android::hardware::keymaster::V3_0::ErrorCode; 32 using ::android::hardware::keymaster::V3_0::IKeymasterDevice; 33 using ::android::hardware::keymaster::V3_0::KeyCharacteristics; 34 using ::android::hardware::keymaster::V3_0::KeyFormat; 35 using ::android::hardware::keymaster::V3_0::KeyParameter; 36 using ::android::hardware::keymaster::V3_0::KeyPurpose; 37 using ::android::hardware::keymaster::V3_0::Tag; 38 using ::android::hardware::Return; 39 using ::android::hardware::Void; 40 using ::android::hardware::hidl_vec; 41 using ::android::hardware::hidl_string; 42 using ::android::sp; 43 44 class LegacyKeymasterDeviceWrapper : public IKeymasterDevice { 45 public: 46 LegacyKeymasterDeviceWrapper(keymaster2_device_t* dev); 47 virtual ~LegacyKeymasterDeviceWrapper(); 48 49 // Methods from ::android::hardware::keymaster::V3_0::IKeymasterDevice follow. 50 Return<void> getHardwareFeatures(getHardwareFeatures_cb _hidl_cb); 51 Return<ErrorCode> addRngEntropy(const hidl_vec<uint8_t>& data) override; 52 Return<void> generateKey(const hidl_vec<KeyParameter>& keyParams, 53 generateKey_cb _hidl_cb) override; 54 Return<void> getKeyCharacteristics(const hidl_vec<uint8_t>& keyBlob, 55 const hidl_vec<uint8_t>& clientId, 56 const hidl_vec<uint8_t>& appData, 57 getKeyCharacteristics_cb _hidl_cb) override; 58 Return<void> importKey(const hidl_vec<KeyParameter>& params, KeyFormat keyFormat, 59 const hidl_vec<uint8_t>& keyData, importKey_cb _hidl_cb) override; 60 Return<void> exportKey(KeyFormat exportFormat, const hidl_vec<uint8_t>& keyBlob, 61 const hidl_vec<uint8_t>& clientId, const hidl_vec<uint8_t>& appData, 62 exportKey_cb _hidl_cb) override; 63 Return<void> attestKey(const hidl_vec<uint8_t>& keyToAttest, 64 const hidl_vec<KeyParameter>& attestParams, 65 attestKey_cb _hidl_cb) override; 66 Return<void> upgradeKey(const hidl_vec<uint8_t>& keyBlobToUpgrade, 67 const hidl_vec<KeyParameter>& upgradeParams, 68 upgradeKey_cb _hidl_cb) override; 69 Return<ErrorCode> deleteKey(const hidl_vec<uint8_t>& keyBlob) override; 70 Return<ErrorCode> deleteAllKeys() override; 71 Return<ErrorCode> destroyAttestationIds() override; 72 Return<void> begin(KeyPurpose purpose, const hidl_vec<uint8_t>& key, 73 const hidl_vec<KeyParameter>& inParams, begin_cb _hidl_cb) override; 74 Return<void> update(uint64_t operationHandle, const hidl_vec<KeyParameter>& inParams, 75 const hidl_vec<uint8_t>& input, update_cb _hidl_cb) override; 76 Return<void> finish(uint64_t operationHandle, const hidl_vec<KeyParameter>& inParams, 77 const hidl_vec<uint8_t>& input, const hidl_vec<uint8_t>& signature, 78 finish_cb _hidl_cb) override; 79 Return<ErrorCode> abort(uint64_t operationHandle) override; 80 81 private: 82 keymaster2_device_t* keymaster_device_; 83 }; 84 85 sp<IKeymasterDevice> makeSoftwareKeymasterDevice(); 86 87 } // namespace keystore 88 } // namespace android 89 90 #endif // LEGACY_KEYMASTER_DEVICE_WRAPPER_H_ 91