public void setKey(byte[] arc4Key) throws CartInvalidARC4KeyException {
		throwIfInvalid(arc4Key);

		this.arc4Key = arc4Key;
	}
Set the ARC4 key for this decryptor instance.

@param arc4Key The ARC4 key to use
@throws CartInvalidARC4KeyException If the key is bad, null or too short.
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/cart/CartV1Decryptor.java