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1# face.sysprop
2# module becomes static class (Java) / namespace (C++) for serving API
3module: "android.face.virt.FaceHalProperties"
4owner: Vendor
5
6# type of face sensor
7prop {
8    prop_name: "persist.vendor.face.virtual.type"
9    type: String
10    scope: Public
11    access: ReadWrite
12    enum_values: "IR|RGB"
13    api_name: "type"
14}
15
16# the strength of the sensor
17prop {
18    prop_name: "persist.vendor.face.virtual.strength"
19    type: String
20    scope: Public
21    access: ReadWrite
22    enum_values: "convenience|weak|strong"
23    api_name: "strength"
24}
25
26# ids of current enrollments
27prop {
28    prop_name: "persist.vendor.face.virtual.enrollments"
29    type: IntegerList
30    scope: Public
31    access: ReadWrite
32    api_name: "enrollments"
33}
34
35# List of features
36prop {
37    prop_name: "persist.vendor.face.virtual.features"
38    type: IntegerList
39    scope: Public
40    access: ReadWrite
41    api_name: "features"
42}
43
44# authenticate and detectInteraction will succeed with this
45# enrollment id, when present, otherwise they will error
46prop {
47    prop_name: "vendor.face.virtual.enrollment_hit"
48    type: Integer
49    scope: Public
50    access: ReadWrite
51    api_name: "enrollment_hit"
52}
53
54# The initial latency for enrollment
55prop {
56    prop_name: "vendor.face.virtual.operation_start_enroll_latency"
57    type: Integer
58    scope: Public
59    access: ReadWrite
60    api_name: "operation_start_enroll_latency"
61}
62
63# the next enrollment in the format:
64# "<id>,<bucket_id>:<delay>:<succeeds>,<bucket_id>..."
65# for example: "0:1,0:100:1,1:200:1" indicating that bucket 0 took
66# 50 milliseconds, bucket 1 took 100 milliseconds, bucket 2 took 200 milliseconds.
67# Note that it is up to the configuration to determine how many buckets are required
68# to complete an enrollment
69prop {
70    prop_name: "vendor.face.virtual.next_enrollment"
71    type: String
72    scope: Public
73    access: ReadWrite
74    api_name: "next_enrollment"
75}
76
77# value for getAuthenticatorId or 0
78prop {
79    prop_name: "vendor.face.virtual.authenticator_id"
80    type: Long
81    scope: Public
82    access: ReadWrite
83    api_name: "authenticator_id"
84}
85
86# value for generateChallenge
87prop {
88    prop_name: "vendor.face.virtual.challenge"
89    type: Long
90    scope: Public
91    access: ReadWrite
92    api_name: "challenge"
93}
94
95# if locked out
96prop {
97    prop_name: "vendor.face.virtual.lockout"
98    type: Boolean
99    scope: Public
100    access: ReadWrite
101    api_name: "lockout"
102}
103
104# force all authenticate operations to fail
105prop {
106    prop_name: "vendor.face.virtual.operation_authenticate_fails"
107    type: Boolean
108    scope: Public
109    access: ReadWrite
110    api_name: "operation_authenticate_fails"
111}
112
113# force all detectInteraction operations to fail
114prop {
115    prop_name: "vendor.face.virtual.operation_detect_interaction_fails"
116    type: Boolean
117    scope: Public
118    access: ReadWrite
119    api_name: "operation_detect_interaction_fails"
120}
121
122# force all enroll operations to fail
123prop {
124    prop_name: "vendor.face.virtual.operation_enroll_fails"
125    type: Boolean
126    scope: Public
127    access: ReadWrite
128    api_name: "operation_enroll_fails"
129}
130
131# add a latency to authentication operations
132# Note that this latency is the initial authentication latency that occurs before
133# the HAL will send AcquiredInfo::START and AcquiredInfo::FIRST_FRAME_RECEIVED
134prop {
135    prop_name: "vendor.face.virtual.operation_authenticate_latency"
136    type: Integer
137    scope: Public
138    access: ReadWrite
139    api_name: "operation_authenticate_latency"
140}
141
142# add a latency to detectInteraction operations
143prop {
144    prop_name: "vendor.face.virtual.operation_detect_interaction_latency"
145    type: Integer
146    scope: Public
147    access: ReadWrite
148    api_name: "operation_detect_interaction_latency"
149}
150
151# millisecond duration for authenticate operations
152# (waits for changes to enrollment_hit)
153prop {
154    prop_name: "vendor.face.virtual.operation_authenticate_duration"
155    type: Integer
156    scope: Public
157    access: ReadWrite
158    api_name: "operation_authenticate_duration"
159}
160