Исходник C Byte To Class

Начинающий
Статус
Оффлайн
Регистрация
23 Дек 2024
Сообщения
71
Реакции[?]
1
Поинты[?]
1K
Короче, понадобилась мне данная приколямба, может быть кому то тоже такое когда нибудь пригодится

В чём суть?
На входе мы имеем условно подобный массив байтов

C:
#include "jni.h"

unsigned char LoaderBytes[]={
    0xCA,0xFE,0xBA,0xBE,0x00,0x00,0x00,0x34,0x00,0x22,0x0A,0x00,
    0x06,0x00,0x14,0x09,0x00,0x15,0x00,0x16,0x08,0x00,0x17,0x0A,
    0x00,0x18,0x00,0x19,0x07,0x00,0x1A,0x07,0x00,0x1B,0x01,0x00,
    0x06,0x3C,0x69,0x6E,0x69,0x74,0x3E,0x01,0x00,0x03,0x28,0x29,
    0x56,0x01,0x00,0x04,0x43,0x6F,0x64,0x65,0x01,0x00,0x0F,0x4C,
    0x69,0x6E,0x65,0x4E,0x75,0x6D,0x62,0x65,0x72,0x54,0x61,0x62,
    0x6C,0x65,0x01,0x00,0x12,0x4C,0x6F,0x63,0x61,0x6C,0x56,0x61,
    0x72,0x69,0x61,0x62,0x6C,0x65,0x54,0x61,0x62,0x6C,0x65,0x01,
    0x00,0x04,0x74,0x68,0x69,0x73,0x01,0x00,0x05,0x4C,0x61,0x2F,
    0x61,0x3B,0x01,0x00,0x04,0x6D,0x61,0x69,0x6E,0x01,0x00,0x16,
    0x28,0x5B,0x4C,0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,
    0x2F,0x53,0x74,0x72,0x69,0x6E,0x67,0x3B,0x29,0x56,0x01,0x00,
    0x04,0x61,0x72,0x67,0x73,0x01,0x00,0x13,0x5B,0x4C,0x6A,0x61,
    0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,0x2F,0x53,0x74,0x72,0x69,
    0x6E,0x67,0x3B,0x01,0x00,0x0A,0x53,0x6F,0x75,0x72,0x63,0x65,
    0x46,0x69,0x6C,0x65,0x01,0x00,0x06,0x61,0x2E,0x6A,0x61,0x76,
    0x61,0x0C,0x00,0x07,0x00,0x08,0x07,0x00,0x1C,0x0C,0x00,0x1D,
    0x00,0x1E,0x01,0x00,0x0C,0x48,0x65,0x6C,0x6C,0x6F,0x20,0x57,
    0x6F,0x72,0x6C,0x64,0x21,0x07,0x00,0x1F,0x0C,0x00,0x20,0x00,
    0x21,0x01,0x00,0x03,0x61,0x2F,0x61,0x01,0x00,0x10,0x6A,0x61,
    0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,0x2F,0x4F,0x62,0x6A,0x65,
    0x63,0x74,0x01,0x00,0x10,0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,
    0x6E,0x67,0x2F,0x53,0x79,0x73,0x74,0x65,0x6D,0x01,0x00,0x03,
    0x6F,0x75,0x74,0x01,0x00,0x15,0x4C,0x6A,0x61,0x76,0x61,0x2F,
    0x69,0x6F,0x2F,0x50,0x72,0x69,0x6E,0x74,0x53,0x74,0x72,0x65,
    0x61,0x6D,0x3B,0x01,0x00,0x13,0x6A,0x61,0x76,0x61,0x2F,0x69,
    0x6F,0x2F,0x50,0x72,0x69,0x6E,0x74,0x53,0x74,0x72,0x65,0x61,
    0x6D,0x01,0x00,0x07,0x70,0x72,0x69,0x6E,0x74,0x6C,0x6E,0x01,
    0x00,0x15,0x28,0x4C,0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,0x6E,
    0x67,0x2F,0x53,0x74,0x72,0x69,0x6E,0x67,0x3B,0x29,0x56,0x00,
    0x21,0x00,0x05,0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x02,0x00,
    0x02,0x00,0x07,0x00,0x08,0x00,0x01,0x00,0x09,0x00,0x00,0x00,
    0x2F,0x00,0x01,0x00,0x01,0x00,0x00,0x00,0x05,0x2A,0xB7,0x00,
    0x01,0xB1,0x00,0x00,0x00,0x02,0x00,0x0A,0x00,0x00,0x00,0x06,
    0x00,0x01,0x00,0x00,0x00,0x04,0x00,0x0B,0x00,0x00,0x00,0x0C,
    0x00,0x01,0x00,0x00,0x00,0x05,0x00,0x0C,0x00,0x0D,0x00,0x00,
    0x00,0x09,0x00,0x0E,0x00,0x0F,0x00,0x01,0x00,0x09,0x00,0x00,
    0x00,0x37,0x00,0x02,0x00,0x01,0x00,0x00,0x00,0x09,0xB2,0x00,
    0x02,0x12,0x03,0xB6,0x00,0x04,0xB1,0x00,0x00,0x00,0x02,0x00,
    0x0A,0x00,0x00,0x00,0x0A,0x00,0x02,0x00,0x00,0x00,0x07,0x00,
    0x08,0x00,0x08,0x00,0x0B,0x00,0x00,0x00,0x0C,0x00,0x01,0x00,
    0x00,0x00,0x09,0x00,0x10,0x00,0x11,0x00,0x00,0x00,0x01,0x00,
    0x12,0x00,0x00,0x00,0x02,0x00,0x13
};

jsize LoaderSize = 511;

И мы понимаем, что это ни что иное как наш любимый жава класс по байтам
C:
0xCA,0xFE,0xBA,0xBE
Собственно мы хотим восстановить наш изначальный класс из данного массива

Открываем нашу утилиту, а именно класс Main и указываем наши байты в переменную byteStr

Java:
String byteStr = "0xCA,0xFE,0xBA,0xBE,0x00,0x00,0x00,0x34,0x00,0x22,0x0A,0x00,\n" +
                "0x06,0x00,0x14,0x09,0x00,0x15,0x00,0x16,0x08,0x00,0x17,0x0A,\n" +
                "0x00,0x18,0x00,0x19,0x07,0x00,0x1A,0x07,0x00,0x1B,0x01,0x00,\n" +
                "0x06,0x3C,0x69,0x6E,0x69,0x74,0x3E,0x01,0x00,0x03,0x28,0x29,\n" +
                "0x56,0x01,0x00,0x04,0x43,0x6F,0x64,0x65,0x01,0x00,0x0F,0x4C,\n" +
                "0x69,0x6E,0x65,0x4E,0x75,0x6D,0x62,0x65,0x72,0x54,0x61,0x62,\n" +
                "0x6C,0x65,0x01,0x00,0x12,0x4C,0x6F,0x63,0x61,0x6C,0x56,0x61,\n" +
                "0x72,0x69,0x61,0x62,0x6C,0x65,0x54,0x61,0x62,0x6C,0x65,0x01,\n" +
                "0x00,0x04,0x74,0x68,0x69,0x73,0x01,0x00,0x05,0x4C,0x61,0x2F,\n" +
                "0x61,0x3B,0x01,0x00,0x04,0x6D,0x61,0x69,0x6E,0x01,0x00,0x16,\n" +
                "0x28,0x5B,0x4C,0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,\n" +
                "0x2F,0x53,0x74,0x72,0x69,0x6E,0x67,0x3B,0x29,0x56,0x01,0x00,\n" +
                "0x04,0x61,0x72,0x67,0x73,0x01,0x00,0x13,0x5B,0x4C,0x6A,0x61,\n" +
                "0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,0x2F,0x53,0x74,0x72,0x69,\n" +
                "0x6E,0x67,0x3B,0x01,0x00,0x0A,0x53,0x6F,0x75,0x72,0x63,0x65,\n" +
                "0x46,0x69,0x6C,0x65,0x01,0x00,0x06,0x61,0x2E,0x6A,0x61,0x76,\n" +
                "0x61,0x0C,0x00,0x07,0x00,0x08,0x07,0x00,0x1C,0x0C,0x00,0x1D,\n" +
                "0x00,0x1E,0x01,0x00,0x0C,0x48,0x65,0x6C,0x6C,0x6F,0x20,0x57,\n" +
                "0x6F,0x72,0x6C,0x64,0x21,0x07,0x00,0x1F,0x0C,0x00,0x20,0x00,\n" +
                "0x21,0x01,0x00,0x03,0x61,0x2F,0x61,0x01,0x00,0x10,0x6A,0x61,\n" +
                "0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,0x2F,0x4F,0x62,0x6A,0x65,\n" +
                "0x63,0x74,0x01,0x00,0x10,0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,\n" +
                "0x6E,0x67,0x2F,0x53,0x79,0x73,0x74,0x65,0x6D,0x01,0x00,0x03,\n" +
                "0x6F,0x75,0x74,0x01,0x00,0x15,0x4C,0x6A,0x61,0x76,0x61,0x2F,\n" +
                "0x69,0x6F,0x2F,0x50,0x72,0x69,0x6E,0x74,0x53,0x74,0x72,0x65,\n" +
                "0x61,0x6D,0x3B,0x01,0x00,0x13,0x6A,0x61,0x76,0x61,0x2F,0x69,\n" +
                "0x6F,0x2F,0x50,0x72,0x69,0x6E,0x74,0x53,0x74,0x72,0x65,0x61,\n" +
                "0x6D,0x01,0x00,0x07,0x70,0x72,0x69,0x6E,0x74,0x6C,0x6E,0x01,\n" +
                "0x00,0x15,0x28,0x4C,0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,0x6E,\n" +
                "0x67,0x2F,0x53,0x74,0x72,0x69,0x6E,0x67,0x3B,0x29,0x56,0x00,\n" +
                "0x21,0x00,0x05,0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x02,0x00,\n" +
                "0x02,0x00,0x07,0x00,0x08,0x00,0x01,0x00,0x09,0x00,0x00,0x00,\n" +
                "0x2F,0x00,0x01,0x00,0x01,0x00,0x00,0x00,0x05,0x2A,0xB7,0x00,\n" +
                "0x01,0xB1,0x00,0x00,0x00,0x02,0x00,0x0A,0x00,0x00,0x00,0x06,\n" +
                "0x00,0x01,0x00,0x00,0x00,0x04,0x00,0x0B,0x00,0x00,0x00,0x0C,\n" +
                "0x00,0x01,0x00,0x00,0x00,0x05,0x00,0x0C,0x00,0x0D,0x00,0x00,\n" +
                "0x00,0x09,0x00,0x0E,0x00,0x0F,0x00,0x01,0x00,0x09,0x00,0x00,\n" +
                "0x00,0x37,0x00,0x02,0x00,0x01,0x00,0x00,0x00,0x09,0xB2,0x00,\n" +
                "0x02,0x12,0x03,0xB6,0x00,0x04,0xB1,0x00,0x00,0x00,0x02,0x00,\n" +
                "0x0A,0x00,0x00,0x00,0x0A,0x00,0x02,0x00,0x00,0x00,0x07,0x00,\n" +
                "0x08,0x00,0x08,0x00,0x0B,0x00,0x00,0x00,0x0C,0x00,0x01,0x00,\n" +
                "0x00,0x00,0x09,0x00,0x10,0x00,0x11,0x00,0x00,0x00,0x01,0x00,\n" +
                "0x12,0x00,0x00,0x00,0x02,0x00,0x13";
И на выходе получаем наш исходный класс

Java:
package a;

public class a {
    private a() {
    }

    public static void main(String[] args) {
        System.out.println("Hello World!");
    }
}
Допустим мы хотим изменить сам класс и вернуть его обратно в массив байтов для дальнейшего использования

Java:
package a;

public class a {
    private a() {
    }

    public static void main(String[] args) {
        System.out.println("Hello YouGame!");
    }
}

Для этого мы открываем класс ToCByteArray

И указываем в переменную clazz имя нашего файла

Java:
String clazz = "a.class";
Запускаемся и о чудо!


a_bytes.h:
#include "jni.h"

unsigned char LoaderBytes[]={
    0xCA,0xFE,0xBA,0xBE,0x00,0x00,0x00,0x34,0x00,0x22,0x0A,0x00,
    0x06,0x00,0x14,0x09,0x00,0x15,0x00,0x16,0x08,0x00,0x17,0x0A,
    0x00,0x18,0x00,0x19,0x07,0x00,0x1A,0x07,0x00,0x1B,0x01,0x00,
    0x06,0x3C,0x69,0x6E,0x69,0x74,0x3E,0x01,0x00,0x03,0x28,0x29,
    0x56,0x01,0x00,0x04,0x43,0x6F,0x64,0x65,0x01,0x00,0x0F,0x4C,
    0x69,0x6E,0x65,0x4E,0x75,0x6D,0x62,0x65,0x72,0x54,0x61,0x62,
    0x6C,0x65,0x01,0x00,0x12,0x4C,0x6F,0x63,0x61,0x6C,0x56,0x61,
    0x72,0x69,0x61,0x62,0x6C,0x65,0x54,0x61,0x62,0x6C,0x65,0x01,
    0x00,0x04,0x74,0x68,0x69,0x73,0x01,0x00,0x05,0x4C,0x61,0x2F,
    0x61,0x3B,0x01,0x00,0x04,0x6D,0x61,0x69,0x6E,0x01,0x00,0x16,
    0x28,0x5B,0x4C,0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,
    0x2F,0x53,0x74,0x72,0x69,0x6E,0x67,0x3B,0x29,0x56,0x01,0x00,
    0x04,0x61,0x72,0x67,0x73,0x01,0x00,0x13,0x5B,0x4C,0x6A,0x61,
    0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,0x2F,0x53,0x74,0x72,0x69,
    0x6E,0x67,0x3B,0x01,0x00,0x0A,0x53,0x6F,0x75,0x72,0x63,0x65,
    0x46,0x69,0x6C,0x65,0x01,0x00,0x06,0x61,0x2E,0x6A,0x61,0x76,
    0x61,0x0C,0x00,0x07,0x00,0x08,0x07,0x00,0x1C,0x0C,0x00,0x1D,
    0x00,0x1E,0x01,0x00,0x0E,0x48,0x65,0x6C,0x6C,0x6F,0x20,0x59,
    0x6F,0x75,0x47,0x61,0x6D,0x65,0x21,0x07,0x00,0x1F,0x0C,0x00,
    0x20,0x00,0x21,0x01,0x00,0x03,0x61,0x2F,0x61,0x01,0x00,0x10,
    0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,0x2F,0x4F,0x62,
    0x6A,0x65,0x63,0x74,0x01,0x00,0x10,0x6A,0x61,0x76,0x61,0x2F,
    0x6C,0x61,0x6E,0x67,0x2F,0x53,0x79,0x73,0x74,0x65,0x6D,0x01,
    0x00,0x03,0x6F,0x75,0x74,0x01,0x00,0x15,0x4C,0x6A,0x61,0x76,
    0x61,0x2F,0x69,0x6F,0x2F,0x50,0x72,0x69,0x6E,0x74,0x53,0x74,
    0x72,0x65,0x61,0x6D,0x3B,0x01,0x00,0x13,0x6A,0x61,0x76,0x61,
    0x2F,0x69,0x6F,0x2F,0x50,0x72,0x69,0x6E,0x74,0x53,0x74,0x72,
    0x65,0x61,0x6D,0x01,0x00,0x07,0x70,0x72,0x69,0x6E,0x74,0x6C,
    0x6E,0x01,0x00,0x15,0x28,0x4C,0x6A,0x61,0x76,0x61,0x2F,0x6C,
    0x61,0x6E,0x67,0x2F,0x53,0x74,0x72,0x69,0x6E,0x67,0x3B,0x29,
    0x56,0x00,0x21,0x00,0x05,0x00,0x06,0x00,0x00,0x00,0x00,0x00,
    0x02,0x00,0x02,0x00,0x07,0x00,0x08,0x00,0x01,0x00,0x09,0x00,
    0x00,0x00,0x2F,0x00,0x01,0x00,0x01,0x00,0x00,0x00,0x05,0x2A,
    0xB7,0x00,0x01,0xB1,0x00,0x00,0x00,0x02,0x00,0x0A,0x00,0x00,
    0x00,0x06,0x00,0x01,0x00,0x00,0x00,0x04,0x00,0x0B,0x00,0x00,
    0x00,0x0C,0x00,0x01,0x00,0x00,0x00,0x05,0x00,0x0C,0x00,0x0D,
    0x00,0x00,0x00,0x09,0x00,0x0E,0x00,0x0F,0x00,0x01,0x00,0x09,
    0x00,0x00,0x00,0x37,0x00,0x02,0x00,0x01,0x00,0x00,0x00,0x09,
    0xB2,0x00,0x02,0x12,0x03,0xB6,0x00,0x04,0xB1,0x00,0x00,0x00,
    0x02,0x00,0x0A,0x00,0x00,0x00,0x0A,0x00,0x02,0x00,0x00,0x00,
    0x07,0x00,0x08,0x00,0x08,0x00,0x0B,0x00,0x00,0x00,0x0C,0x00,
    0x01,0x00,0x00,0x00,0x09,0x00,0x10,0x00,0x11,0x00,0x00,0x00,
    0x01,0x00,0x12,0x00,0x00,0x00,0x02,0x00,0x13
};

jsize LoaderSize = 513;
Можем дальше использовать наш измененный класс

Вот впринципе и усе
Надеюсь конечно не найдется таких же крокодилдов которые будут страдать такой же хуйней, которой страдаю я

Пожалуйста, авторизуйтесь для просмотра ссылки.
 
Кот на арбузе
Пользователь
Статус
Оффлайн
Регистрация
27 Окт 2019
Сообщения
314
Реакции[?]
104
Поинты[?]
70K
Короче, понадобилась мне данная приколямба, может быть кому то тоже такое когда нибудь пригодится

В чём суть?
На входе мы имеем условно подобный массив байтов

C:
#include "jni.h"

unsigned char LoaderBytes[]={
    0xCA,0xFE,0xBA,0xBE,0x00,0x00,0x00,0x34,0x00,0x22,0x0A,0x00,
    0x06,0x00,0x14,0x09,0x00,0x15,0x00,0x16,0x08,0x00,0x17,0x0A,
    0x00,0x18,0x00,0x19,0x07,0x00,0x1A,0x07,0x00,0x1B,0x01,0x00,
    0x06,0x3C,0x69,0x6E,0x69,0x74,0x3E,0x01,0x00,0x03,0x28,0x29,
    0x56,0x01,0x00,0x04,0x43,0x6F,0x64,0x65,0x01,0x00,0x0F,0x4C,
    0x69,0x6E,0x65,0x4E,0x75,0x6D,0x62,0x65,0x72,0x54,0x61,0x62,
    0x6C,0x65,0x01,0x00,0x12,0x4C,0x6F,0x63,0x61,0x6C,0x56,0x61,
    0x72,0x69,0x61,0x62,0x6C,0x65,0x54,0x61,0x62,0x6C,0x65,0x01,
    0x00,0x04,0x74,0x68,0x69,0x73,0x01,0x00,0x05,0x4C,0x61,0x2F,
    0x61,0x3B,0x01,0x00,0x04,0x6D,0x61,0x69,0x6E,0x01,0x00,0x16,
    0x28,0x5B,0x4C,0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,
    0x2F,0x53,0x74,0x72,0x69,0x6E,0x67,0x3B,0x29,0x56,0x01,0x00,
    0x04,0x61,0x72,0x67,0x73,0x01,0x00,0x13,0x5B,0x4C,0x6A,0x61,
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    0x61,0x0C,0x00,0x07,0x00,0x08,0x07,0x00,0x1C,0x0C,0x00,0x1D,
    0x00,0x1E,0x01,0x00,0x0C,0x48,0x65,0x6C,0x6C,0x6F,0x20,0x57,
    0x6F,0x72,0x6C,0x64,0x21,0x07,0x00,0x1F,0x0C,0x00,0x20,0x00,
    0x21,0x01,0x00,0x03,0x61,0x2F,0x61,0x01,0x00,0x10,0x6A,0x61,
    0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,0x2F,0x4F,0x62,0x6A,0x65,
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    0x00,0x15,0x28,0x4C,0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,0x6E,
    0x67,0x2F,0x53,0x74,0x72,0x69,0x6E,0x67,0x3B,0x29,0x56,0x00,
    0x21,0x00,0x05,0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x02,0x00,
    0x02,0x00,0x07,0x00,0x08,0x00,0x01,0x00,0x09,0x00,0x00,0x00,
    0x2F,0x00,0x01,0x00,0x01,0x00,0x00,0x00,0x05,0x2A,0xB7,0x00,
    0x01,0xB1,0x00,0x00,0x00,0x02,0x00,0x0A,0x00,0x00,0x00,0x06,
    0x00,0x01,0x00,0x00,0x00,0x04,0x00,0x0B,0x00,0x00,0x00,0x0C,
    0x00,0x01,0x00,0x00,0x00,0x05,0x00,0x0C,0x00,0x0D,0x00,0x00,
    0x00,0x09,0x00,0x0E,0x00,0x0F,0x00,0x01,0x00,0x09,0x00,0x00,
    0x00,0x37,0x00,0x02,0x00,0x01,0x00,0x00,0x00,0x09,0xB2,0x00,
    0x02,0x12,0x03,0xB6,0x00,0x04,0xB1,0x00,0x00,0x00,0x02,0x00,
    0x0A,0x00,0x00,0x00,0x0A,0x00,0x02,0x00,0x00,0x00,0x07,0x00,
    0x08,0x00,0x08,0x00,0x0B,0x00,0x00,0x00,0x0C,0x00,0x01,0x00,
    0x00,0x00,0x09,0x00,0x10,0x00,0x11,0x00,0x00,0x00,0x01,0x00,
    0x12,0x00,0x00,0x00,0x02,0x00,0x13
};

jsize LoaderSize = 511;

И мы понимаем, что это ни что иное как наш любимый жава класс по байтам
C:
0xCA,0xFE,0xBA,0xBE
Собственно мы хотим восстановить наш изначальный класс из данного массива

Открываем нашу утилиту, а именно класс Main и указываем наши байты в переменную byteStr

Java:
String byteStr = "0xCA,0xFE,0xBA,0xBE,0x00,0x00,0x00,0x34,0x00,0x22,0x0A,0x00,\n" +
                "0x06,0x00,0x14,0x09,0x00,0x15,0x00,0x16,0x08,0x00,0x17,0x0A,\n" +
                "0x00,0x18,0x00,0x19,0x07,0x00,0x1A,0x07,0x00,0x1B,0x01,0x00,\n" +
                "0x06,0x3C,0x69,0x6E,0x69,0x74,0x3E,0x01,0x00,0x03,0x28,0x29,\n" +
                "0x56,0x01,0x00,0x04,0x43,0x6F,0x64,0x65,0x01,0x00,0x0F,0x4C,\n" +
                "0x69,0x6E,0x65,0x4E,0x75,0x6D,0x62,0x65,0x72,0x54,0x61,0x62,\n" +
                "0x6C,0x65,0x01,0x00,0x12,0x4C,0x6F,0x63,0x61,0x6C,0x56,0x61,\n" +
                "0x72,0x69,0x61,0x62,0x6C,0x65,0x54,0x61,0x62,0x6C,0x65,0x01,\n" +
                "0x00,0x04,0x74,0x68,0x69,0x73,0x01,0x00,0x05,0x4C,0x61,0x2F,\n" +
                "0x61,0x3B,0x01,0x00,0x04,0x6D,0x61,0x69,0x6E,0x01,0x00,0x16,\n" +
                "0x28,0x5B,0x4C,0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,\n" +
                "0x2F,0x53,0x74,0x72,0x69,0x6E,0x67,0x3B,0x29,0x56,0x01,0x00,\n" +
                "0x04,0x61,0x72,0x67,0x73,0x01,0x00,0x13,0x5B,0x4C,0x6A,0x61,\n" +
                "0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,0x2F,0x53,0x74,0x72,0x69,\n" +
                "0x6E,0x67,0x3B,0x01,0x00,0x0A,0x53,0x6F,0x75,0x72,0x63,0x65,\n" +
                "0x46,0x69,0x6C,0x65,0x01,0x00,0x06,0x61,0x2E,0x6A,0x61,0x76,\n" +
                "0x61,0x0C,0x00,0x07,0x00,0x08,0x07,0x00,0x1C,0x0C,0x00,0x1D,\n" +
                "0x00,0x1E,0x01,0x00,0x0C,0x48,0x65,0x6C,0x6C,0x6F,0x20,0x57,\n" +
                "0x6F,0x72,0x6C,0x64,0x21,0x07,0x00,0x1F,0x0C,0x00,0x20,0x00,\n" +
                "0x21,0x01,0x00,0x03,0x61,0x2F,0x61,0x01,0x00,0x10,0x6A,0x61,\n" +
                "0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,0x2F,0x4F,0x62,0x6A,0x65,\n" +
                "0x63,0x74,0x01,0x00,0x10,0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,\n" +
                "0x6E,0x67,0x2F,0x53,0x79,0x73,0x74,0x65,0x6D,0x01,0x00,0x03,\n" +
                "0x6F,0x75,0x74,0x01,0x00,0x15,0x4C,0x6A,0x61,0x76,0x61,0x2F,\n" +
                "0x69,0x6F,0x2F,0x50,0x72,0x69,0x6E,0x74,0x53,0x74,0x72,0x65,\n" +
                "0x61,0x6D,0x3B,0x01,0x00,0x13,0x6A,0x61,0x76,0x61,0x2F,0x69,\n" +
                "0x6F,0x2F,0x50,0x72,0x69,0x6E,0x74,0x53,0x74,0x72,0x65,0x61,\n" +
                "0x6D,0x01,0x00,0x07,0x70,0x72,0x69,0x6E,0x74,0x6C,0x6E,0x01,\n" +
                "0x00,0x15,0x28,0x4C,0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,0x6E,\n" +
                "0x67,0x2F,0x53,0x74,0x72,0x69,0x6E,0x67,0x3B,0x29,0x56,0x00,\n" +
                "0x21,0x00,0x05,0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x02,0x00,\n" +
                "0x02,0x00,0x07,0x00,0x08,0x00,0x01,0x00,0x09,0x00,0x00,0x00,\n" +
                "0x2F,0x00,0x01,0x00,0x01,0x00,0x00,0x00,0x05,0x2A,0xB7,0x00,\n" +
                "0x01,0xB1,0x00,0x00,0x00,0x02,0x00,0x0A,0x00,0x00,0x00,0x06,\n" +
                "0x00,0x01,0x00,0x00,0x00,0x04,0x00,0x0B,0x00,0x00,0x00,0x0C,\n" +
                "0x00,0x01,0x00,0x00,0x00,0x05,0x00,0x0C,0x00,0x0D,0x00,0x00,\n" +
                "0x00,0x09,0x00,0x0E,0x00,0x0F,0x00,0x01,0x00,0x09,0x00,0x00,\n" +
                "0x00,0x37,0x00,0x02,0x00,0x01,0x00,0x00,0x00,0x09,0xB2,0x00,\n" +
                "0x02,0x12,0x03,0xB6,0x00,0x04,0xB1,0x00,0x00,0x00,0x02,0x00,\n" +
                "0x0A,0x00,0x00,0x00,0x0A,0x00,0x02,0x00,0x00,0x00,0x07,0x00,\n" +
                "0x08,0x00,0x08,0x00,0x0B,0x00,0x00,0x00,0x0C,0x00,0x01,0x00,\n" +
                "0x00,0x00,0x09,0x00,0x10,0x00,0x11,0x00,0x00,0x00,0x01,0x00,\n" +
                "0x12,0x00,0x00,0x00,0x02,0x00,0x13";
И на выходе получаем наш исходный класс

Java:
package a;

public class a {
    private a() {
    }

    public static void main(String[] args) {
        System.out.println("Hello World!");
    }
}
Допустим мы хотим изменить сам класс и вернуть его обратно в массив байтов для дальнейшего использования

Java:
package a;

public class a {
    private a() {
    }

    public static void main(String[] args) {
        System.out.println("Hello YouGame!");
    }
}

Для этого мы открываем класс ToCByteArray

И указываем в переменную clazz имя нашего файла

Java:
String clazz = "a.class";
Запускаемся и о чудо!


a_bytes.h:
#include "jni.h"

unsigned char LoaderBytes[]={
    0xCA,0xFE,0xBA,0xBE,0x00,0x00,0x00,0x34,0x00,0x22,0x0A,0x00,
    0x06,0x00,0x14,0x09,0x00,0x15,0x00,0x16,0x08,0x00,0x17,0x0A,
    0x00,0x18,0x00,0x19,0x07,0x00,0x1A,0x07,0x00,0x1B,0x01,0x00,
    0x06,0x3C,0x69,0x6E,0x69,0x74,0x3E,0x01,0x00,0x03,0x28,0x29,
    0x56,0x01,0x00,0x04,0x43,0x6F,0x64,0x65,0x01,0x00,0x0F,0x4C,
    0x69,0x6E,0x65,0x4E,0x75,0x6D,0x62,0x65,0x72,0x54,0x61,0x62,
    0x6C,0x65,0x01,0x00,0x12,0x4C,0x6F,0x63,0x61,0x6C,0x56,0x61,
    0x72,0x69,0x61,0x62,0x6C,0x65,0x54,0x61,0x62,0x6C,0x65,0x01,
    0x00,0x04,0x74,0x68,0x69,0x73,0x01,0x00,0x05,0x4C,0x61,0x2F,
    0x61,0x3B,0x01,0x00,0x04,0x6D,0x61,0x69,0x6E,0x01,0x00,0x16,
    0x28,0x5B,0x4C,0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,
    0x2F,0x53,0x74,0x72,0x69,0x6E,0x67,0x3B,0x29,0x56,0x01,0x00,
    0x04,0x61,0x72,0x67,0x73,0x01,0x00,0x13,0x5B,0x4C,0x6A,0x61,
    0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,0x2F,0x53,0x74,0x72,0x69,
    0x6E,0x67,0x3B,0x01,0x00,0x0A,0x53,0x6F,0x75,0x72,0x63,0x65,
    0x46,0x69,0x6C,0x65,0x01,0x00,0x06,0x61,0x2E,0x6A,0x61,0x76,
    0x61,0x0C,0x00,0x07,0x00,0x08,0x07,0x00,0x1C,0x0C,0x00,0x1D,
    0x00,0x1E,0x01,0x00,0x0E,0x48,0x65,0x6C,0x6C,0x6F,0x20,0x59,
    0x6F,0x75,0x47,0x61,0x6D,0x65,0x21,0x07,0x00,0x1F,0x0C,0x00,
    0x20,0x00,0x21,0x01,0x00,0x03,0x61,0x2F,0x61,0x01,0x00,0x10,
    0x6A,0x61,0x76,0x61,0x2F,0x6C,0x61,0x6E,0x67,0x2F,0x4F,0x62,
    0x6A,0x65,0x63,0x74,0x01,0x00,0x10,0x6A,0x61,0x76,0x61,0x2F,
    0x6C,0x61,0x6E,0x67,0x2F,0x53,0x79,0x73,0x74,0x65,0x6D,0x01,
    0x00,0x03,0x6F,0x75,0x74,0x01,0x00,0x15,0x4C,0x6A,0x61,0x76,
    0x61,0x2F,0x69,0x6F,0x2F,0x50,0x72,0x69,0x6E,0x74,0x53,0x74,
    0x72,0x65,0x61,0x6D,0x3B,0x01,0x00,0x13,0x6A,0x61,0x76,0x61,
    0x2F,0x69,0x6F,0x2F,0x50,0x72,0x69,0x6E,0x74,0x53,0x74,0x72,
    0x65,0x61,0x6D,0x01,0x00,0x07,0x70,0x72,0x69,0x6E,0x74,0x6C,
    0x6E,0x01,0x00,0x15,0x28,0x4C,0x6A,0x61,0x76,0x61,0x2F,0x6C,
    0x61,0x6E,0x67,0x2F,0x53,0x74,0x72,0x69,0x6E,0x67,0x3B,0x29,
    0x56,0x00,0x21,0x00,0x05,0x00,0x06,0x00,0x00,0x00,0x00,0x00,
    0x02,0x00,0x02,0x00,0x07,0x00,0x08,0x00,0x01,0x00,0x09,0x00,
    0x00,0x00,0x2F,0x00,0x01,0x00,0x01,0x00,0x00,0x00,0x05,0x2A,
    0xB7,0x00,0x01,0xB1,0x00,0x00,0x00,0x02,0x00,0x0A,0x00,0x00,
    0x00,0x06,0x00,0x01,0x00,0x00,0x00,0x04,0x00,0x0B,0x00,0x00,
    0x00,0x0C,0x00,0x01,0x00,0x00,0x00,0x05,0x00,0x0C,0x00,0x0D,
    0x00,0x00,0x00,0x09,0x00,0x0E,0x00,0x0F,0x00,0x01,0x00,0x09,
    0x00,0x00,0x00,0x37,0x00,0x02,0x00,0x01,0x00,0x00,0x00,0x09,
    0xB2,0x00,0x02,0x12,0x03,0xB6,0x00,0x04,0xB1,0x00,0x00,0x00,
    0x02,0x00,0x0A,0x00,0x00,0x00,0x0A,0x00,0x02,0x00,0x00,0x00,
    0x07,0x00,0x08,0x00,0x08,0x00,0x0B,0x00,0x00,0x00,0x0C,0x00,
    0x01,0x00,0x00,0x00,0x09,0x00,0x10,0x00,0x11,0x00,0x00,0x00,
    0x01,0x00,0x12,0x00,0x00,0x00,0x02,0x00,0x13
};

jsize LoaderSize = 513;
Можем дальше использовать наш измененный класс

Вот впринципе и усе
Надеюсь конечно не найдется таких же крокодилдов которые будут страдать такой же хуйней, которой страдаю я

Пожалуйста, авторизуйтесь для просмотра ссылки.
сомнительно, а ещё непонятно нахуя здесь jsize LoaderSize = 513; когда есть std::size()/sizeof() который по факту ещё на этапе компиляции размер массива вычислит
 
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сомнительно, а ещё непонятно нахуя здесь jsize LoaderSize = 513; когда есть std::size()/sizeof() который по факту ещё на этапе компиляции размер массива вычислит
ну это под мои приколы просто
 
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