* Quantum-Resistant Cryptographic Algorithms
@ 2022-10-31 14:09 doffloster
2022-10-31 14:30 ` Michael Kjörling
0 siblings, 1 reply; 2+ messages in thread
From: doffloster @ 2022-10-31 14:09 UTC (permalink / raw)
To: cryptsetup development
Soon in LUKS / cryptsetup?
"NIST Announces First Four Quantum-Resistant Cryptographic Algorithms"
at
www.nist.gov
Best regards,
David.
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* Re: Quantum-Resistant Cryptographic Algorithms
2022-10-31 14:09 Quantum-Resistant Cryptographic Algorithms doffloster
@ 2022-10-31 14:30 ` Michael Kjörling
0 siblings, 0 replies; 2+ messages in thread
From: Michael Kjörling @ 2022-10-31 14:30 UTC (permalink / raw)
To: cryptsetup
On 31 Oct 2022 16:09 +0200, from doffloster@gmail.com:
> Soon in LUKS / cryptsetup?
>
> "NIST Announces First Four Quantum-Resistant Cryptographic Algorithms"
If you are referring to those listed at [1], they are public key
algorithms. LUKS' use case does not depend on that and to my knowledge
LUKS currently does not implement any public key cryptography, so it
is my belief that they would not immediately apply.
Last I looked, symmetric key encryption was affected by quantum
computing at most by the square root key search work factor reduction
offered by Grover's algorithm, which can be mitigated by selecting a
twice as long key. Hence AES-256 would offer similar security against
a quantum capable adversary that AES-128 offers against a classic-only
adversary.
[1] https://csrc.nist.gov/projects/post-quantum-cryptography/selected-algorithms-2022
--
🪶 Michael Kjörling 🏡 https://michael.kjorling.se
“Remember when, on the Internet, nobody cared that you were a dog?”
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2022-10-31 14:09 Quantum-Resistant Cryptographic Algorithms doffloster
2022-10-31 14:30 ` Michael Kjörling
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