Cursed Ciphers: The Small Key

The archive's final correspondence was protected by a system its author trusted completely.

The mathematics was sound. The implementation was careful. Every precaution seemed to have been taken by someone convinced that strength came from choosing what was most convenient.

Years later, the exchange remains unread—but not because it is impossible.

Every shortcut leaves a fingerprint. Every fingerprint tells a story.

Objective: Recover the hidden flag.