https://ctftime.org/task/7775 #pragyanctf My friend Alex needs your help very fast. He has been possessed by a ghost and the only way to save him is if you tell the flag to the ghost. Hurry up, time is running out! HINT: We need a very qui…

https://ctftime.org/task/7822 #pragyanctf #RSA #Wiener's_Attack Deeraj is experimenting with RSA. He is given the necessary RSA parameters. He realizes something is off, but doesn't know what. Can you help him figure it out? parameters.txt…

https://ctftime.org/task/7823 #pragyanctf It's a new age Order of the Phoenix. The current members are: Harry Hermione Ron George Charlie Bill Ginny Fleur Luna Neville Each of them has a secret QR code associated with him/her which is give…

https://ctftime.org/task/7778 #pragyanctf Ram has something to show you, which can be of great help. It definitely contains the piece of text "pctf" and whatever follows it is the flag. Can you figure out what it is? Note: Enclose it in pc…

https://ctftime.org/task/7777 #pragyanctf #RabinCryptosystem #フェルマー法 Rabin has received a text from someone special, but it's all in ciphertext and he is unable to make head or tail of it. He requested her for a little hint, and she …

https://ctftime.org/task/7821 #pragyanctf Rahul, the geek boy of his class, doesn't like doing things the conventional way. He's just learned polynomials in class, and wants to prove a point to his friend Sandhya. But Sandhya is sitting in…

https://ctftime.org/task/7781 #pragyanctf Bran Stark, wants to convey an important information to the Sansa back at winterfell. He sends her a message. The message however, is encrypted though. Can you find out what Bran is trying to conve…