Writeup on RSA based Challenge The obligatory RSA Challenge.

RSA (Rivest–Shamir–Adleman) is an asymmetric cryptographic algorithm. Means it has 2 different keys, public & private keys.

If you want to know more about how RSA works and how keys are generated click on me.

Moving on to the Challenge:

RSA Challenge

We…


Writeup on RSA based Challenge Really Secure Algorithm

First and foremost; What is RSA?
RSA (Rivest–Shamir–Adleman) is an asymmetric cryptographic algorithm. Asymmetric means that there are two different keys. This is also called public-key cryptography because one of the keys can be given to anyone. …


Write-up for the ‘Transfer’ Challenge in HeroCTF 2021

Part 1: Assessing the challenge:

Solution:

We are given with a transaction hash: bfa8b1c8b7f6acc867d6984968756cafd0da99060aa6d90dfb0db1a9ef0c96a2

I went to the blockchain.com website and searched for the given hash. and we got both the sender and receiver's address!


Write-up for the ‘High Stakes’ Challenge in HeroCTF 2021

Part 1: Assessing the given material:

Upon opening the docker we are presented with a Gambling Game!


Write-up for the ‘ProtonDate’ Challenge in HeroCTF 2021

Part 1: Assessing the given material:

We are given an email and asked to find its date of creation.

Searching the challenge’s name online gives us a Github repo that provides the exact solution to our problem!

After cloning & installing the repo, we can run the email address against it


This is my write-up for the ‘Russian Doll’ Challenge in HeroCTF 2021

Part 1: Assessing the given material:

Russian Doll Challenge Description.

We are given a zip file, upon inspection, it’s a never-ending loop of folders nested into each folder just like a Russian Doll!

Brijesharun Gurumurthy

Web UI Developer 👾 JavaScript & Python Dev with passion for Cyber Sec.

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