cribdrag

An interactive crib dragging tool for cryptanalysis on ciphertext generated with reused or predictable stream cipher key

cryptoRed Team

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Platforms: Linux · Last verified September 6, 2026

An interactive crib dragging tool for cryptanalysis on ciphertext generated with reused or predictable stream cipher keys.

Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.

Getting started

Install on BlackArch with `pacman -S cribdrag` (or add the BlackArch repository to an existing Arch Linux install). See the official BlackArch tool listing and upstream homepage linked above for details.

Commonly preinstalled on

BlackArch

Arch Linux-based distribution with one of the largest pentest tool repositories