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ClaudiuGeorgiuClaudiuGeorgiu
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Add examples
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34 files changed

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‎.idea/webResources.xml

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‎src/obfuscapk/obfuscators/arithmetic_branch/example/after.smali

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.class public Lobfuscapk/demo/OrderDemo;
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.super Ljava/lang/Object;
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.source "OrderDemo.java"
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5+
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# direct methods
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.method public constructor <init>()V
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.locals 0
9+
10+
.prologue
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.line 6
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invoke-direct {p0}, Ljava/lang/Object;-><init>()V
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14+
return-void
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.end method
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17+
.method public static getGotoMessage()Ljava/lang/String;
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.locals 5
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const v0, 7
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const v1, 4
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add-int v0, v0, v1
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rem-int v0, v0, v1
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if-gtz v0, :EbAukdQwmmPELTjd
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goto/32 :bPdknjDcQesDQUPu
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:EbAukdQwmmPELTjd
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:KbkerIsqVXNivOzU
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.prologue
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.line 9
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new-instance v3, Ljava/util/ArrayList;
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invoke-direct {v3}, Ljava/util/ArrayList;-><init>()V
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.line 11
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.local v3, "messages":Ljava/util/ArrayList;, "Ljava/util/ArrayList<Ljava/lang/String;>;"
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const-string/jumbo v0, "message1"
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.line 12
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.local v0, "message1":Ljava/lang/String;
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invoke-virtual {v3, v0}, Ljava/util/ArrayList;->add(Ljava/lang/Object;)Z
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.line 14
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const-string/jumbo v1, "message2"
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.line 15
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.local v1, "message2":Ljava/lang/String;
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invoke-virtual {v3, v1}, Ljava/util/ArrayList;->add(Ljava/lang/Object;)Z
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.line 17
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const-string/jumbo v2, "message3"
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.line 18
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.local v2, "message3":Ljava/lang/String;
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invoke-virtual {v3, v2}, Ljava/util/ArrayList;->add(Ljava/lang/Object;)Z
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.line 20
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invoke-virtual {v3}, Ljava/util/ArrayList;->toArray()[Ljava/lang/Object;
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move-result-object v4
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invoke-static {v4}, Ljava/util/Arrays;->toString([Ljava/lang/Object;)Ljava/lang/String;
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move-result-object v4
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return-object v4
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:bPdknjDcQesDQUPu
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goto/32 :KbkerIsqVXNivOzU
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.end method

‎src/obfuscapk/obfuscators/arithmetic_branch/example/before.smali

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.class public Lobfuscapk/demo/OrderDemo;
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.super Ljava/lang/Object;
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.source "OrderDemo.java"
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# direct methods
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.method public constructor <init>()V
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.locals 0
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.prologue
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.line 6
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invoke-direct {p0}, Ljava/lang/Object;-><init>()V
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return-void
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.end method
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.method public static getGotoMessage()Ljava/lang/String;
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.locals 5
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.prologue
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.line 9
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new-instance v3, Ljava/util/ArrayList;
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invoke-direct {v3}, Ljava/util/ArrayList;-><init>()V
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.line 11
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.local v3, "messages":Ljava/util/ArrayList;, "Ljava/util/ArrayList<Ljava/lang/String;>;"
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const-string/jumbo v0, "message1"
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.line 12
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.local v0, "message1":Ljava/lang/String;
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invoke-virtual {v3, v0}, Ljava/util/ArrayList;->add(Ljava/lang/Object;)Z
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.line 14
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const-string/jumbo v1, "message2"
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.line 15
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.local v1, "message2":Ljava/lang/String;
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invoke-virtual {v3, v1}, Ljava/util/ArrayList;->add(Ljava/lang/Object;)Z
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.line 17
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const-string/jumbo v2, "message3"
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.line 18
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.local v2, "message3":Ljava/lang/String;
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invoke-virtual {v3, v2}, Ljava/util/ArrayList;->add(Ljava/lang/Object;)Z
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.line 20
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invoke-virtual {v3}, Ljava/util/ArrayList;->toArray()[Ljava/lang/Object;
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move-result-object v4
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invoke-static {v4}, Ljava/util/Arrays;->toString([Ljava/lang/Object;)Ljava/lang/String;
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move-result-object v4
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return-object v4
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.end method

‎src/obfuscapk/obfuscators/arithmetic_branch/example/original.java

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package obfuscapk.demo;
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import java.util.ArrayList;
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import java.util.Arrays;
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public class OrderDemo {
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public static String getGotoMessage() {
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// Just some ordered instructions.
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ArrayList<String> messages = new ArrayList<>();
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String message1 = "message1";
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messages.add(message1);
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String message2 = "message2";
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messages.add(message2);
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String message3 = "message3";
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messages.add(message3);
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return Arrays.toString(messages.toArray());
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}
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}

‎src/obfuscapk/obfuscators/asset_encryption/example/after.smali

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.class public Lobfuscapk/demo/AssetDemo;
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.super Ljava/lang/Object;
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.source "AssetDemo.java"
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5+
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# direct methods
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.method public constructor <init>()V
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.locals 0
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.prologue
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.line 9
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invoke-direct {p0}, Ljava/lang/Object;-><init>()V
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14+
return-void
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.end method
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.method private static readBytes(Ljava/io/InputStream;)[B
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.locals 4
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.param p0, "inputStream" # Ljava/io/InputStream;
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Ljava/io/IOException;
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}
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.end annotation
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.prologue
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.line 12
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const/16 v3, 0x400
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new-array v0, v3, [B
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.line 13
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.local v0, "array":[B
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new-instance v1, Ljava/io/ByteArrayOutputStream;
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invoke-direct {v1}, Ljava/io/ByteArrayOutputStream;-><init>()V
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.line 15
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.local v1, "byteArrayOutputStream":Ljava/io/ByteArrayOutputStream;
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:goto_0
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invoke-virtual {p0, v0}, Ljava/io/InputStream;->read([B)I
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move-result v2
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.line 16
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.local v2, "read":I
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const/4 v3, -0x1
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if-ne v2, v3, :cond_0
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.line 21
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invoke-virtual {v1}, Ljava/io/ByteArrayOutputStream;->toByteArray()[B
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move-result-object v3
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return-object v3
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.line 19
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:cond_0
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const/4 v3, 0x0
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invoke-virtual {v1, v0, v3, v2}, Ljava/io/ByteArrayOutputStream;->write([BII)V
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goto :goto_0
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.end method
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# virtual methods
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.method public getMessageFromAsset(Landroid/content/res/AssetManager;)Ljava/lang/String;
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.locals 3
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.param p1, "assetManager" # Landroid/content/res/AssetManager;
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.annotation system Ldalvik/annotation/Throws;
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value = {
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Ljava/io/IOException;
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}
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.end annotation
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.prologue
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.line 26
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const-string/jumbo v1, "message.txt"
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invoke-static {p1, v1}, Lcom/decryptassetmanager/DecryptAsset;->decryptAsset(Landroid/content/res/AssetManager;Ljava/lang/String;)Ljava/io/InputStream;
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move-result-object v0
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.line 27
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.local v0, "assetInputStream":Ljava/io/InputStream;
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new-instance v1, Ljava/lang/String;
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90+
invoke-static {v0}, Lobfuscapk/demo/AssetDemo;->readBytes(Ljava/io/InputStream;)[B
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move-result-object v2
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invoke-direct {v1, v2}, Ljava/lang/String;-><init>([B)V
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96+
return-object v1
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.end method

‎src/obfuscapk/obfuscators/asset_encryption/example/before.smali

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.class public Lobfuscapk/demo/AssetDemo;
2+
.super Ljava/lang/Object;
3+
.source "AssetDemo.java"
4+
5+
6+
# direct methods
7+
.method public constructor <init>()V
8+
.locals 0
9+
10+
.prologue
11+
.line 9
12+
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
13+
14+
return-void
15+
.end method
16+
17+
.method private static readBytes(Ljava/io/InputStream;)[B
18+
.locals 4
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.param p0, "inputStream" # Ljava/io/InputStream;
20+
.annotation system Ldalvik/annotation/Throws;
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value = {
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Ljava/io/IOException;
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}
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.end annotation
25+
26+
.prologue
27+
.line 12
28+
const/16 v3, 0x400
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new-array v0, v3, [B
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32+
.line 13
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.local v0, "array":[B
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new-instance v1, Ljava/io/ByteArrayOutputStream;
35+
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invoke-direct {v1}, Ljava/io/ByteArrayOutputStream;-><init>()V
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38+
.line 15
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.local v1, "byteArrayOutputStream":Ljava/io/ByteArrayOutputStream;
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:goto_0
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invoke-virtual {p0, v0}, Ljava/io/InputStream;->read([B)I
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43+
move-result v2
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.line 16
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.local v2, "read":I
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const/4 v3, -0x1
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if-ne v2, v3, :cond_0
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51+
.line 21
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invoke-virtual {v1}, Ljava/io/ByteArrayOutputStream;->toByteArray()[B
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move-result-object v3
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return-object v3
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.line 19
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:cond_0
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const/4 v3, 0x0
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62+
invoke-virtual {v1, v0, v3, v2}, Ljava/io/ByteArrayOutputStream;->write([BII)V
63+
64+
goto :goto_0
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.end method
66+
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# virtual methods
69+
.method public getMessageFromAsset(Landroid/content/res/AssetManager;)Ljava/lang/String;
70+
.locals 3
71+
.param p1, "assetManager" # Landroid/content/res/AssetManager;
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.annotation system Ldalvik/annotation/Throws;
73+
value = {
74+
Ljava/io/IOException;
75+
}
76+
.end annotation
77+
78+
.prologue
79+
.line 26
80+
const-string/jumbo v1, "message.txt"
81+
82+
invoke-virtual {p1, v1}, Landroid/content/res/AssetManager;->open(Ljava/lang/String;)Ljava/io/InputStream;
83+
84+
move-result-object v0
85+
86+
.line 27
87+
.local v0, "assetInputStream":Ljava/io/InputStream;
88+
new-instance v1, Ljava/lang/String;
89+
90+
invoke-static {v0}, Lobfuscapk/demo/AssetDemo;->readBytes(Ljava/io/InputStream;)[B
91+
92+
move-result-object v2
93+
94+
invoke-direct {v1, v2}, Ljava/lang/String;-><init>([B)V
95+
96+
return-object v1
97+
.end method

‎src/obfuscapk/obfuscators/asset_encryption/example/original.java

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package obfuscapk.demo;
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import android.content.res.AssetManager;
4+
5+
import java.io.ByteArrayOutputStream;
6+
import java.io.IOException;
7+
import java.io.InputStream;
8+
9+
public class AssetDemo {
10+
// Helper method.
11+
private static byte[] readBytes(InputStream inputStream) throws IOException {
12+
byte[] array = new byte[1024];
13+
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
14+
while (true) {
15+
int read = inputStream.read(array);
16+
if (read == -1) {
17+
break;
18+
}
19+
byteArrayOutputStream.write(array, 0, read);
20+
}
21+
return byteArrayOutputStream.toByteArray();
22+
}
23+
24+
public String getMessageFromAsset(AssetManager assetManager) throws IOException {
25+
// This is the instruction that will be replaced by loading the encrypted asset.
26+
InputStream assetInputStream = assetManager.open("message.txt");
27+
return new String(readBytes(assetInputStream));
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}
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}

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