blob: 964e1f6d8ae42e27d648e0105b2d8b884f247209 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package com.example.android.fingerprintdialog;
import android.app.KeyguardManager;
import android.content.Context;
import android.content.SharedPreferences;
import android.hardware.fingerprint.FingerprintManager;
import android.preference.PreferenceManager;
import android.security.keystore.KeyProperties;
import android.view.inputmethod.InputMethodManager;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.NoSuchPaddingException;
import dagger.Module;
import dagger.Provides;
/**
* Dagger module for Fingerprint APIs.
*/
@Module(
library = true,
injects = {MainActivity.class}
)
public class FingerprintModule {
private final Context mContext;
public FingerprintModule(Context context) {
mContext = context;
}
@Provides
public Context providesContext() {
return mContext;
}
@Provides
public FingerprintManager providesFingerprintManager(Context context) {
return context.getSystemService(FingerprintManager.class);
}
@Provides
public KeyguardManager providesKeyguardManager(Context context) {
return context.getSystemService(KeyguardManager.class);
}
@Provides
public KeyStore providesKeystore() {
try {
return KeyStore.getInstance("AndroidKeyStore");
} catch (KeyStoreException e) {
throw new RuntimeException("Failed to get an instance of KeyStore", e);
}
}
@Provides
public KeyGenerator providesKeyGenerator() {
try {
return KeyGenerator.getInstance(KeyProperties.KEY_ALGORITHM_AES, "AndroidKeyStore");
} catch (NoSuchAlgorithmException | NoSuchProviderException e) {
throw new RuntimeException("Failed to get an instance of KeyGenerator", e);
}
}
@Provides
public Cipher providesCipher(KeyStore keyStore) {
try {
return Cipher.getInstance(KeyProperties.KEY_ALGORITHM_AES + "/"
+ KeyProperties.BLOCK_MODE_CBC + "/"
+ KeyProperties.ENCRYPTION_PADDING_PKCS7);
} catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
throw new RuntimeException("Failed to get an instance of Cipher", e);
}
}
@Provides
public InputMethodManager providesInputMethodManager(Context context) {
return (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
}
@Provides
public SharedPreferences providesSharedPreferences(Context context) {
return PreferenceManager.getDefaultSharedPreferences(context);
}
}
|
