Refusing to decrypt under this law will be the crime. It's not proof against you in the original charge. So you won't get them for bank fraud anyway, and then i

Refusing to decrypt under this law will be the crime. It's not proof against you in the original charge. So you won't get them for bank fraud anyway, and then it might as well have been child porn (or a stash of stolen credit card number or compromised online banking accounts etc)