# Re: QC-proof cipher?

*From*: Kristian Gjøsteen <kristiag+news@xxxxxxxxxxxx>*Date*: Wed, 24 May 2006 15:28:55 +0000 (UTC)

Peter Fairbrother <zenadsl6186@xxxxxxxxx> wrote:

I want a cipher or hash that is resistant to Quantum Computing techniques

and algorithms. That will still be secure if the attacker has a quantum

computer.

I thought quantum computing was one of the reasons AES has a 256 bit

key length.

If you just want ciphers with huge keys, use 3AES or something similar.

--

Kristian Gjøsteen

.

**References**:**QC-proof cipher?***From:*Peter Fairbrother

**Re: QC-proof cipher?***From:*Peter Fairbrother

**Re: QC-proof cipher?***From:*Paul Rubin

**Re: QC-proof cipher?***From:*Peter Fairbrother

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