博客
关于我
CTFlearn-Encryption Master
阅读量:317 次
发布时间:2019-03-03

本文共 2839 字,大约阅读时间需要 9 分钟。

直接给了密文

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

尝试解密

结尾两个=, 尝试base64

Nice! Now keep going. 54776f206d6f72652e203031303030313130203031313031303031203031313031313130203031313030303031203031313031313030203030313030303030203031303030313030203031313030313031203031313030303131203031313130303130203031313131303031203031313130303030203031313130313030203031313031303031203031313031313131203031313031313130203030313030303031203030313030303030203031303130303031203030313130303031203031303130303130203031303030313131203031313030313031203030313130303030203031313031313030203031313030313130203031303130303031203031303130313031203030313130303031203031313030313130203031303130313031203031303030313130203031303031303130203031303130303030203031303130313130203031303130313031203031303130303130203031313030313130203031303130313030203030313130303030203031303131303130203031313030313130203031303130313131203031303130313031203030313131303031203031303130313130203031313030313130203031303130303031203030313131313031203030313131313031

拿到类似16进制的密文, 尝试hex

wo more. 01000110 01101001 01101110 01100001 01101100 00100000 01000100 01100101 01100011 01110010 01111001 01110000 01110100 01101001 01101111 01101110 00100001 00100000 01010001 00110001 01010010 01000111 01100101 00110000 01101100 01100110 01010001 01010101 00110001 01100110 01010101 01000110 01001010 01010000 01010110 01010101 01010010 01100110 01010100 00110000 01011010 01100110 01010111 01010101 00111001 01010110 01100110 01010001 00111101 00111101

看出来是二进制, 接着走

Final Decryption! Q1RGe0lfQU1fUFJPVURfT0ZfWU9VfQ==

再来base64, 得到flag

CTF{I_AM_PROUD_OF_YOU}

总结

base64

hex
binary
base64

就这?

转载地址:http://knfq.baihongyu.com/

你可能感兴趣的文章
Mysql InnoDB存储引擎中的checkpoint技术
查看>>
Mysql InnoDB存储引擎中缓冲池Buffer Pool、Redo Log、Bin Log、Undo Log、Channge Buffer
查看>>
MySQL InnoDB引擎的锁机制详解
查看>>
Mysql INNODB引擎行锁的3种算法 Record Lock Next-Key Lock Grap Lock
查看>>
mysql InnoDB数据存储引擎 的B+树索引原理
查看>>
mysql interval显示条件值_MySQL INTERVAL关键字可以使用哪些不同的单位值?
查看>>
mysql problems
查看>>
MySQL replace函数替换字符串语句的用法(mysql字符串替换)
查看>>
mysql workbench6.3.5_MySQL Workbench
查看>>
MySQL Workbench安装教程以及菜单汉化
查看>>
MySQL Xtrabackup 安装、备份、恢复
查看>>
mysql [Err] 1436 - Thread stack overrun: 129464 bytes used of a 286720 byte stack, and 160000 bytes
查看>>
MySQL _ MySQL常用操作
查看>>
MySQL – 导出数据成csv
查看>>
MySQL —— 在CentOS9下安装MySQL
查看>>
mysql 不区分大小写
查看>>
mysql 两列互转
查看>>
MySQL 中开启二进制日志(Binlog)
查看>>
MySQL 中文问题
查看>>
MySQL 中日志的面试题总结
查看>>