ChaCha20-Poly1305 and Nonce reuse attack

Introduction to the cipher and attack.

Mar 16, 2025 Blogs

Write up LACTF 2025

Crypto Challenge

Feb 11, 2025 Write-up

Write up ASCIS CTF 2024 - Crypto

My team ‘Pwnlyfans’ recently participated in the ASCIS CTF 2024, and we managed to secure the 3rd position and 2nd prize. This is a write-up for the crypto challenges we have solved. Xory: import...

Oct 20, 2024 Write-up

Write up IDEK CTF

Easy Crypto Challenge

Aug 19, 2024 Write-up

Write up CorCTFand DeadSecCTF

Crypto challenges only 🤣.

Jul 29, 2024 Write-up

Invisible Salamanders in AES GCM and AES GCM SIV

Introduction to the attack and proof of concept (POC).

Jul 24, 2024 Blogs

AES GCM and AES GCM-SIV mode

Brief introduction to AES GCM and AES GCM SIV.

Jul 21, 2024 Blogs

AES - Advanced Encryption Standard

AES

Jul 9, 2024 Blogs

Write-up-Angstromctf-2024

Crypto challenges

May 29, 2024 Write-up

Write-up-AmateursCTF-2024

Easy to medium crypto challenges.

Apr 11, 2024 Write-up