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1
2Save New Duplicate & Edit Just Text Twitter
3>
4package com.c.a;
5
6import android.os.SystemClock;
7import android.util.Base64;
8import com.c.a.a.b;
9import com.c.a.b.a;
10import java.security.interfaces.RSAPublicKey;
11import javax.crypto.Cipher;
12import javax.crypto.KeyGenerator;
13import javax.crypto.Mac;
14import javax.crypto.SecretKey;
15import javax.crypto.spec.SecretKeySpec;
16
17final class f {
18
19    /* renamed from: a reason: collision with root package name */
20    private static final f f360a = new f();
21
22    /* renamed from: b reason: collision with root package name */
23    private SecretKey f361b = null;
24
25    /* renamed from: c reason: collision with root package name */
26    private SecretKey f362c = null;
27
28    /* renamed from: d reason: collision with root package name */
29    private String f363d;
30    private String e;
31
32    f() {
33    }
34
35    public static f a() {
36        return f360a;
37    }
38
39    /* access modifiers changed from: private */
40    public final synchronized void b() {
41        try {
42            if (this.f361b == null || this.f362c == null) {
43                long uptimeMillis = SystemClock.uptimeMillis();
44                a.a("SensorDataBuilder", "Initializing keys", new Throwable[0]);
45                KeyGenerator instance = KeyGenerator.getInstance("AES");
46                instance.init(128);
47                this.f361b = instance.generateKey();
48                KeyGenerator instance2 = KeyGenerator.getInstance("HmacSHA256");
49                instance2.init(256);
50                this.f362c = instance2.generateKey();
51                SystemClock.uptimeMillis();
52                RSAPublicKey a2 = b.a("MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC4sA7vA7N/t1SRBS8tugM2X4bByl0jaCZLqxPOql+qZ3sP4UFayqJTvXjd7eTjMwg1T70PnmPWyh1hfQr4s12oSVphTKAjPiWmEBvcpnPPMjr5fGgv0w6+KM9DLTxcktThPZAGoVcoyM/cTO/YsAMIxlmTzpXBaxddHRwi8S2NvwIDAQAB");
53                byte[] a3 = b.a(this.f361b.getEncoded(), a2);
54                byte[] a4 = b.a(this.f362c.getEncoded(), a2);
55                SystemClock.uptimeMillis();
56                this.f363d = Base64.encodeToString(a3, 2);
57                this.e = Base64.encodeToString(a4, 2);
58                long uptimeMillis2 = SystemClock.uptimeMillis() - uptimeMillis;
59                StringBuilder sb = new StringBuilder("InitializeKeys-Time: ");
60                sb.append(uptimeMillis2);
61                sb.append("ms");
62                a.a("SensorDataBuilder", sb.toString(), new Throwable[0]);
63            }
64        } catch (Exception unused) {
65        }
66    }
67
68    public final synchronized String a(String str) throws Exception {
69        String sb;
70        synchronized (this) {
71            try {
72                if (this.f361b == null || this.f362c == null) {
73                    b();
74                }
75                long uptimeMillis = SystemClock.uptimeMillis();
76                StringBuilder sb2 = new StringBuilder("Building sensor data, plain data size: ");
77                sb2.append(str.length());
78                a.a("SensorDataBuilder", sb2.toString(), new Throwable[0]);
79                long uptimeMillis2 = SystemClock.uptimeMillis();
80                Cipher instance = Cipher.getInstance("AES/CBC/PKCS5Padding");
81                instance.init(1, this.f361b);
82                byte[] doFinal = instance.doFinal(str.getBytes());
83                long uptimeMillis3 = (SystemClock.uptimeMillis() - uptimeMillis2) * 1000;
84                byte[] iv = instance.getIV();
85                byte[] bArr = new byte[(doFinal.length + iv.length)];
86                System.arraycopy(iv, 0, bArr, 0, iv.length);
87                System.arraycopy(doFinal, 0, bArr, iv.length, doFinal.length);
88                SecretKeySpec secretKeySpec = new SecretKeySpec(this.f362c.getEncoded(), "HmacSHA256");
89                long uptimeMillis4 = SystemClock.uptimeMillis();
90                Mac instance2 = Mac.getInstance("HmacSHA256");
91                instance2.init(secretKeySpec);
92                byte[] doFinal2 = instance2.doFinal(bArr);
93                long uptimeMillis5 = (SystemClock.uptimeMillis() - uptimeMillis4) * 1000;
94                byte[] bArr2 = new byte[(bArr.length + doFinal2.length)];
95                System.arraycopy(bArr, 0, bArr2, 0, bArr.length);
96                System.arraycopy(doFinal2, 0, bArr2, bArr.length, doFinal2.length);
97                long uptimeMillis6 = SystemClock.uptimeMillis();
98                String encodeToString = Base64.encodeToString(bArr2, 2);
99                long uptimeMillis7 = 1000 * (SystemClock.uptimeMillis() - uptimeMillis6);
100                new StringBuilder("Encrypted size: ").append(bArr2.length);
101                new StringBuilder("Base64 Encrypted size: ").append(encodeToString.length());
102                StringBuilder sb3 = new StringBuilder("AEStime: ");
103                sb3.append(uptimeMillis3);
104                sb3.append(", HMACtime: ");
105                sb3.append(uptimeMillis5);
106                sb3.append(", B64time: ");
107                sb3.append(uptimeMillis7);
108                StringBuilder sb4 = new StringBuilder("1,a,");
109                sb4.append(this.f363d);
110                sb4.append(",");
111                sb4.append(this.e);
112                String sb5 = sb4.toString();
113                StringBuilder sb6 = new StringBuilder();
114                sb6.append(uptimeMillis3);
115                sb6.append(",");
116                sb6.append(uptimeMillis5);
117                sb6.append(",");
118                sb6.append(uptimeMillis7);
119                String sb7 = sb6.toString();
120                StringBuilder sb8 = new StringBuilder();
121                sb8.append(sb5);
122                sb8.append("$");
123                sb8.append(encodeToString);
124                sb8.append("$");
125                sb8.append(sb7);
126                sb = sb8.toString();
127                long uptimeMillis8 = SystemClock.uptimeMillis() - uptimeMillis;
128                StringBuilder sb9 = new StringBuilder("Cipher-BuildSensorData-Time: ");
129                sb9.append(uptimeMillis8);
130                sb9.append("ms");
131                a.a("SensorDataBuilder", sb9.toString(), new Throwable[0]);
132            } catch (Exception e2) {
133                throw e2;
134            } catch (Throwable th) {
135                throw th;
136            }
137        }
138        return sb;
139    }
140}