Re: Streaming ciphers

Arno Wagner <[email protected]>
Newsgroups gmane.linux.kernel.device-mapper.dm-crypt
Message-ID <[email protected]>
Hi David,

using LUKS should not result in write-amplification.
LUKS uses 512B blocks and just provides an 1:1 mapping.

Regards,
Arno
 

On Sun, Feb 16, 2020 at 01:59:41 CET, David Niklas wrote:
> Hello,
> Today I was helping a poor luser who's Crucial P1 QLC SSD died from
> too many writes. We still don't know what's doing the writing, but he is
> running luks using FDE so write amplification is definitely a
> factor.
> I forget the answer to this so please enlighten me, is there a streaming
> cypher he can use instead of a block cipher? A better option that I
> didn't consider?
> Not that the TCG Opal is to be fully trusted (nor is it available on
> that model), but how does it work with respect to write amplification vs.
> luks?
> 
> Thanks,
> David
> _______________________________________________
> dm-crypt mailing list
> [email protected]
> https://www.saout.de/mailman/listinfo/dm-crypt

-- 
Arno Wagner,     Dr. sc. techn., Dipl. Inform.,    Email: [email protected]
GnuPG: ID: CB5D9718  FP: 12D6 C03B 1B30 33BB 13CF  B774 E35C 5FA1 CB5D 9718
----
A good decision is based on knowledge and not on numbers. -- Plato

If it's in the news, don't worry about it.  The very definition of 
"news" is "something that hardly ever happens." -- Bruce Schneier
_______________________________________________
dm-crypt mailing list
[email protected]
https://www.saout.de/mailman/listinfo/dm-crypt
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.