攻防世界——Guess-the-Number

发布时间:2024年01月21日
package p000;

import java.math.BigInteger;

/* renamed from: guess */
/* loaded from: 6a8bee79ee404194bb8a213a8a0e211d.jar:guess.class */
public class guess {
    static String XOR(String _str_one, String _str_two) {
        BigInteger i1 = new BigInteger(_str_one, 16);
        BigInteger i2 = new BigInteger(_str_two, 16);
        BigInteger res = i1.xor(i2);
        String result = res.toString(16);
        return result;
    }

    public static void main(String[] args) {
        if (args.length > 0) {
            try {
                int guess_number = Integer.parseInt(args[0]);
                if (1545686892 / 5 == guess_number) {
                    int i = 349763335 + 345736730;
                    String answer = XOR("4b64ca12ace755516c178f72d05d7061", "ecd44646cfe5994ebeb35bf922e25dba");
                    System.out.println("your flag is: " + answer);
                } else {
                    System.err.println("wrong guess!");
                    System.exit(1);
                }
                return;
            } catch (NumberFormatException e) {
                System.err.println("please enter an integer \nexample: java -jar guess 12");
                System.exit(1);
                return;
            }
        }
        System.err.println("wrong guess!");
        int i2 = 1000000 + 1;
        System.exit(1);
    }
}

a=0x4b64ca12ace755516c178f72d05d7061
b=0xecd44646cfe5994ebeb35bf922e25dba
c=a^b
print(hex(c))

0xa7b08c546302cc1fd2a4d48bf2bf2ddb

输入a7b08c546302cc1fd2a4d48bf2bf2ddb就OK了

文章来源:https://blog.csdn.net/wcj126/article/details/135732367
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