Name                             
 Parent Directory                 
 100-decrypt-the-message/         
 100-hear-with-your-eyes/         
 100-hooked-api/                  
 100-huge-key/                    
 100-network-traffic/             
 100-secure-coding/               
 150-cafe-1/                      
 150-cafe-2/                      
 150-touran-city-1/               
 20-avatar/                       
 20-cafe-3/                       
 20-what-is-this/                 
 200-2048/                        
 200-cafe-4/                      
 200-commercial-application/      
 200-our-bank-is-yours/           
 200-secure-coding/               
 250-capture-the-spoon/           
 250-touran-city-2/               
 250-touran-city-3/               
 30-guess-the-number/             
 30-rolling-hash/                 
 300-AES-broken/                  
 300-a-trip-to-Sao-Paulo/         
 300-personalized-captcha/        
 300-pwn-it/                      
 300-secure-coding/               
 350-old-flag/                    
 350-touran-city-4/               
 40-hidden-message/               
 40-recover-deleted-file/         
 40-sudoku-image-encryption/      
 400-birthday-of-website's-admin/ 
 450-terminate-me/                
 500-mining-your-Rs-and-Ss/       
 80-Iran-Pro-League/