Don't Overreact

Hack The Box. Challenges. Mobile

2 minutes to read

React Native. Minified JavaScript code analysis

Roulette

Hack The Box. Challenges. Crypto

17 minutes to read

PRNG. Custom Mersenne Twister. System of equations with binary variables

Right Decision

CTFZone Quals 2023

6 minutes to read

Shamir Secret Sharing. System of equations

Come on feel the nonce

CTFZone Quals 2023

7 minutes to read

ECDSA. Biased nonces. Hidden Number Problem. LLL lattice reduction

PolyLCG

Securinets Quals 2023

4 minutes to read

Modular polynomials

Farfour Post Quantom

Securinets Quals 2023

17 minutes to read

Matrix operations. Modular arithmetic. Shuffling. Solve system of equations

eyes

corCTF 2023

7 minutes to read

Matrix equations. Solution to a system of equations

fizzbuzz100

corCTF 2023

3 minutes to read

RSA decryption oracle

fizzbuzz101

corCTF 2023

7 minutes to read

RSA decryption. LSB oracle