Criptam

Criptam is a tool written in Python to easily fetch decrypted iOS bootchain firmware keys (excluding SEPOS) from a connected device.

Features

• Automatically fetch decrypted bootchain firmware keys for any iOS version, no IPSW download required.

Requirements

• A UNIX-like OS
• An internet connection
• A 64-bit device connected in DFU mode vulnerable to checkm8

Installation

Criptam can be installed from PyPI, or locally (requires poetry):

./install.sh

Usage

Option (short)	Option (long)	Description
-h	--help	Shows all options avaiable
-b BUILDID	--buildid BUILDID	iOS build to decrypt firmware keys for
-m MAJOR	--major MAJOR	Major iOS version to decrypt all firmware keys for
-a	--all	Decrypt firmware keys for all versions