Crypto

VULNLAB: Flagsalad

Flagsalad is a medium-severity crypto challenge where the flag is encoded as a vector, multiplied by a random matrix, and obscured with noise.

January 8, 2025 · 2596 words · 13 min
Medium Crypto Sage Python

VULNLAB: Share

Share is an easy crypto challenge where the flag is encoded in a polynomial function f(x) = flag + a₁x + a₂x² + a₃x³, with 10 known points (x, f(x)) provided.

January 8, 2025 · 276 words · 2 min
Easy Crypto Sage Python