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
25struct keymaster2_device;
26typedef struct keymaster2_device keymaster2_device_t;
27
28namespace android {
29namespace keystore {
30
31using ::android::hardware::keymaster::V3_0::ErrorCode;
32using ::android::hardware::keymaster::V3_0::IKeymasterDevice;
33using ::android::hardware::keymaster::V3_0::KeyCharacteristics;
34using ::android::hardware::keymaster::V3_0::KeyFormat;
35using ::android::hardware::keymaster::V3_0::KeyParameter;
36using ::android::hardware::keymaster::V3_0::KeyPurpose;
37using ::android::hardware::keymaster::V3_0::Tag;
38using ::android::hardware::Return;
39using ::android::hardware::Void;
40using ::android::hardware::hidl_vec;
41using ::android::hardware::hidl_string;
42using ::android::sp;
43
44class 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
85sp<IKeymasterDevice> makeSoftwareKeymasterDevice();
86
87}  // namespace keystore
88}  // namespace android
89
90#endif  // LEGACY_KEYMASTER_DEVICE_WRAPPER_H_
91