JAVA經混淆后的class用jd-gui查看大都是亂碼，請問大神有沒辦法還原他原來的結構代碼

import javax.crypto.Cipher;

import org.apache.log4j.Logger;

public class k

{

private static Logger a;

private static Cipher b;

private static Cipher c;

static byte[] d;

static int e;

private static k f;

private static final String[] z;

public static k a()

{

if (!b.c) if (f == null)

{

f = new k();

}

return f;

}

// ERROR //

public void b()

{

// Byte code:

//? ?0: getstatic 14? ? ? ? com/hintsoft/util/encoding/k:a? ? ? ? Lorg/apache/log4j/Logger;

//? ?3: getstatic 168? ? ? ? com/hintsoft/util/encoding/b:c? ? ? ? Z

//? ?6: ifne +20 -> 26

//? ?9: invokevirtual 15? ? ? ? org/apache/log4j/Logger:isDebugEnabled? ? ? ? ()Z

//? ?12: ifeq +23 -> 35

//? ?15: goto +4 -> 19

//? ?18: athrow

//? ?19: getstatic 14? ? ? ? com/hintsoft/util/encoding/k:a? ? ? ? Lorg/apache/log4j/Logger;

//? ?22: goto +4 -> 26

//? ?25: athrow

//? ?26: getstatic 178? ? ? ? com/hintsoft/util/encoding/k:z? ? ? ? [Ljava/lang/String;

//? ?29: bipush 7

//? ?31: aaload

//? ?32: invokevirtual 16? ? ? ? org/apache/log4j/Logger:debug? ? ? ? (Ljava/lang/Object;)V

//? ?35: getstatic 178? ? ? ? com/hintsoft/util/encoding/k:z? ? ? ? [Ljava/lang/String;

//? ?38: iconst_5

//? ?39: aaload

//? ?40: astore_1

//? ?41: new 17? ? ? ? javax/crypto/spec/PBEKeySpec

.....................

static

{

String[] tmp5_2 = new String[12]; jsr 104; tmp5_2[0] = "i\022E%";

String[] tmp13_5 = tmp5_2; jsr 96; tmp13_5[1] = "X#p=kY";

String[] tmp21_13 = tmp13_5; jsr 88; tmp21_13[2] = "U(ji'\025f9=jN4lo!";

String[] tmp29_21 = tmp21_13; jsr 80; tmp29_21[3] = "U(ji'\025f9=jN4lo!";

String[] tmp37_29 = tmp29_21; jsr 72; tmp37_29[4] = "U(ji'\025f9=jN4lo!";

String[] tmp45_37 = tmp37_29; jsr 64; tmp45_37[5] = "Mw\"/O\017etx1k'`X \022\027/\"3^";

String[] tmp53_45 = tmp45_37; jsr 55; tmp53_45[6] = "l\004FJfH.NY:}(gYJo";

String[] tmp62_53 = tmp53_45; jsr 46; tmp62_53[7] = "X#p=fR/w";

String[] tmp71_62 = tmp62_53; jsr 37; tmp71_62[8] = "U(ji'\025f9=jN4lo!";

String[] tmp80_71 = tmp71_62; jsr 28; tmp80_71[9] = "U(ji'\025f9=jN4lo!";

String[] tmp89_80 = tmp80_71; jsr 19; tmp89_80[10] = "i\022E%";

String[] tmp98_89 = tmp89_80; jsr 10; tmp98_89[11] = "X#p=jR"; z = tmp98_89; break label212; localObject = returnAddress;

}

}

總結

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