b3DS

A 3DS/New 3DS Rom Decryptor and Encrypter

Prerequisites

• Python 2.7+
• pip
• pycrypto

With docker (recommended)

docker build -t b3ds:latest # to build docker image
docker run b3ds (D/E).py # D for decrypt and E for Encrypt

Usage

python b3DSEncrypt.py (file.3ds) # to encrypt 3ds file
python b3DSDecrypt.py (file.cia) # to decrypt cia file

Support

Supports all known crypto-types:

• Normal (Key 0x2C)
• 7.x (Key 0x25)
• New3DS 9.3 (Key 0x18)
• New3DS 9.6 (Key 0x1B)