This is absolutely impossible. The important thing to understand is that it's too late. The information I'm talking about has already been stored by future wrongdoers. I'm not just talking about bad guys, because it could also be police.
In any event, the information I'm talking about has been circulated on the Internet and has already been stored. There's nothing to stop anybody who has a quantum computer and has stored this information in the past from just bringing it out of mothballs, if I can put it that way, and decrypting it retroactively.
You can't save information that has already been intercepted. You can only try to save future information. It's not a question of inventing technology to produce information. What we're talking about here is information that wasn't properly produced and that was circulated. If it has been saved, there's nothing more to do.