b3DS

A 3DS/New 3DS Rom Decryptor and Encrypter

If anyone wants to improve on the code, feel free to do so.

Prerequisites

• Python 2.7+
• pip
• pycrypto

Installation

After you've installed the latest version of Python 2, run pip install pycrypto in command prompt.

Usage

python b3DSEncrypt.py "File location of rom" eg. C:\Users\User\Downloads\New Super Mario Bros. 2 (USA).3ds

Status

Supports all known crypto-types:

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