Sarang Dileep – Medium

Jan 21, 2021

Session based authentication

We dwell in a digital environment benefitting from its pros and battling out its cons. Ever since the beginning of the internet, we’ve successfully tackled the various challenges it posed against us. In this blog post, I’ll be sharing with you the outcome of one such quest. As we all…

Authentication

2 min read

Dec 2, 2020

Cryptanalysis of AES-CBC (Part-1)

This is the continuation of my cryptanalysis series.In this post we are going to look into one of the most elegant attacks on AES-CBC mode.The attack is called ”Padding oracle attack” and as the name suggests it involves the manipulation of the padding oracle to retrieve the plaintext.Now, …

Cbc

7 min read

Oct 6, 2020

Cryptanalysis of AES-ECB (Part-1)

AES is the most commonly used symmetric key encryption scheme throughout the world.Here I am going to list the short comings of the AES-ECB mode of encryption stating some of the ways in which it can be exploited by an attacker. First I’ll brief you through the working of the…

Cryptography

6 min read