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Description

What can you do with this file?I forgot the key to my safe but this file is supposed to help me with retrieving the lost key. Can you help me unlock my safe?

Hints

Download and try to decompile the file.

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00. 前言

题目给定了一个class文件，所以我们需要反编译成java文件

01. 解题过程

把class文件丢进idea就可以反编译成功了

发现flag

picoCTF{SAf3_0p3n3rr_y0u_solv3d_it_5bfbd6f1}