[Cryptography] how to encrypt for the very long term?

[Richard Outerbridge]

> On 2018-07-28 (209), at 08:04:08, Alfie John <alfie at alfie.wtf> wrote:
> 
> On Fri, Jul 27, 2018 at 02:06:49PM +0200, Christoph Anton Mitterer wrote:
>> I'm basically looking into encryption of (backup) files for the very
>> long term (like at least 20 years).

[….]

> To be honest, when encrypting something for 20 years, your biggest problem will
> be remembering all the various passphrases. That wasn't snark, just the honest
> truth sadly from experience.
> 
> Alfie

Let alone the passphrase custodians who have, after all, died, retired, been restructured,
fired, forgotten, disrupted, etc, over the course of twenty (20) years.
__outer