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1 // Copyright 2017 The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //      http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef SECURITY_KEYSTORE_INCLUDE_KEYSTORE_KEYMASTER_TYPES_H_
16 #define SECURITY_KEYSTORE_INCLUDE_KEYSTORE_KEYMASTER_TYPES_H_
17 
18 #include <android/hardware/keymaster/3.0/types.h>
19 #include <android/hardware/keymaster/4.1/IKeymasterDevice.h>
20 #include <android/hardware/keymaster/4.1/types.h>
21 
22 #include <keymasterV4_1/authorization_set.h>
23 #include <keymasterV4_1/keymaster_tags.h>
24 
25 /**
26  * This header lifts the types from the current Keymaster version into the keystore namespace.
27  */
28 
29 namespace keystore {
30 
31 // Changing this namespace alias will change the keymaster version.
32 namespace keymaster = ::android::hardware::keymaster::V4_1;
33 
34 using android::hardware::hidl_vec;
35 using android::hardware::Return;
36 
37 using keymaster::IKeymasterDevice;
38 using keymaster::SecurityLevel;
39 
40 using keymaster::AuthorizationSet;
41 using keymaster::AuthorizationSetBuilder;
42 
43 // It's more convenient to use the V4.0 error and tag types by default.
44 using ::android::hardware::keymaster::V4_0::ErrorCode;
45 using ::android::hardware::keymaster::V4_0::Tag;
46 
47 using V4_1_ErrorCode = ::android::hardware::keymaster::V4_1::ErrorCode;
48 using V4_1_Tag = ::android::hardware::keymaster::V4_1::Tag;
49 
50 using keymaster::Algorithm;
51 using keymaster::BlockMode;
52 using keymaster::Digest;
53 using keymaster::EcCurve;
54 using keymaster::HardwareAuthenticatorType;
55 using keymaster::HardwareAuthToken;
56 using keymaster::HmacSharingParameters;
57 using keymaster::KeyCharacteristics;
58 using keymaster::KeyFormat;
59 using keymaster::KeyParameter;
60 using keymaster::KeyPurpose;
61 using keymaster::OperationHandle;
62 using keymaster::PaddingMode;
63 using keymaster::SecurityLevel;
64 using keymaster::TagType;
65 using keymaster::VerificationToken;
66 
67 using keymaster::TAG_ACTIVE_DATETIME;
68 using keymaster::TAG_ALGORITHM;
69 using keymaster::TAG_ALLOW_WHILE_ON_BODY;
70 using keymaster::TAG_APPLICATION_DATA;
71 using keymaster::TAG_APPLICATION_ID;
72 using keymaster::TAG_ATTESTATION_APPLICATION_ID;
73 using keymaster::TAG_AUTH_TIMEOUT;
74 using keymaster::TAG_BLOB_USAGE_REQUIREMENTS;
75 using keymaster::TAG_BLOCK_MODE;
76 using keymaster::TAG_DIGEST;
77 using keymaster::TAG_EC_CURVE;
78 using keymaster::TAG_KEY_SIZE;
79 using keymaster::TAG_MAC_LENGTH;
80 using keymaster::TAG_MAX_USES_PER_BOOT;
81 using keymaster::TAG_MIN_MAC_LENGTH;
82 using keymaster::TAG_MIN_SECONDS_BETWEEN_OPS;
83 using keymaster::TAG_NO_AUTH_REQUIRED;
84 using keymaster::TAG_NONCE;
85 using keymaster::TAG_ORIGIN;
86 using keymaster::TAG_ORIGINATION_EXPIRE_DATETIME;
87 using keymaster::TAG_PADDING;
88 using keymaster::TAG_PURPOSE;
89 using keymaster::TAG_RESET_SINCE_ID_ROTATION;
90 using keymaster::TAG_RSA_PUBLIC_EXPONENT;
91 using keymaster::TAG_USAGE_EXPIRE_DATETIME;
92 using keymaster::TAG_USER_AUTH_TYPE;
93 using keymaster::TAG_USER_ID;
94 using keymaster::TAG_USER_SECURE_ID;
95 
96 using keymaster::NullOr;
97 
98 using Km3HardwareAuthToken = ::android::hardware::keymaster::V3_0::HardwareAuthToken;
99 using Km3HardwareAuthenticatorType =
100     ::android::hardware::keymaster::V3_0::HardwareAuthenticatorType;
101 
102 // The following create the numeric values that KM_TAG_PADDING and KM_TAG_DIGEST used to have.  We
103 // need these old values to be able to support old keys that use them.
104 constexpr int32_t KM_TAG_DIGEST_OLD = static_cast<int32_t>(TagType::ENUM) | 5;
105 constexpr int32_t KM_TAG_PADDING_OLD = static_cast<int32_t>(TagType::ENUM) | 7;
106 
107 }  // namespace keystore
108 
109 #endif  // SYSTEM_SECURITY_KEYSTORE_KM4_AUTHORIZATION_SET_H_
110