[146778] in cryptography@c2.net mail archive
Re: [Cryptography] Why prefer symmetric crypto over public key
daemon@ATHENA.MIT.EDU (Tony Arcieri)
Sat Sep 7 18:59:53 2013
X-Original-To: cryptography@metzdowd.com
In-Reply-To: <522B8631.1070002@sonic.net>
From: Tony Arcieri <bascule@gmail.com>
Date: Sat, 7 Sep 2013 15:40:08 -0700
To: Ray Dillinger <bear@sonic.net>
Cc: Crypto <cryptography@metzdowd.com>
Errors-To: cryptography-bounces+crypto.discuss=bloom-picayune.mit.edu@metzdowd.com
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On Sat, Sep 7, 2013 at 1:01 PM, Ray Dillinger <bear@sonic.net> wrote:
> And IIRC, pretty much every asymmetric ciphersuite (including all public-
> key crypto) is vulnerable to some transformation of Shor's algorithm that
> is in fact practical to implement on such a machine.
Lattice-based (NTRU) or code-based (McEliece/McBits) public key systems are
still considered "post-quantum" algorithms. There are no presently known
quantum algorithms that work against these sorts of systems.
See http://pqcrypto.org/
--
Tony Arcieri
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<div dir=3D"ltr">On Sat, Sep 7, 2013 at 1:01 PM, Ray Dillinger <span dir=3D=
"ltr"><<a href=3D"mailto:bear@sonic.net" target=3D"_blank" onclick=3D"wi=
ndow.open('https://mail.google.com/mail/?view=3Dcm&tf=3D1&to=3D=
bear@sonic.net&cc=3D&bcc=3D&su=3D&body=3D','_blank&=
#39;);return false;">bear@sonic.net</a>></span> wrote:<br>
<div class=3D"gmail_extra"><div class=3D"gmail_quote"><blockquote class=3D"=
gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left-width:1px;border=
-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div=
class=3D"im">
<span style=3D"color:rgb(34,34,34)">And IIRC, pretty much every asymmetric =
ciphersuite (including all public-</span><br></div>
key crypto) is vulnerable to some transformation of Shor's algorithm th=
at<br>
is in fact practical to implement on such a machine.</blockquote><div><br><=
/div><div>Lattice-based (NTRU) or code-based (McEliece/McBits) public key s=
ystems are still considered "post-quantum" algorithms. There are =
no presently known quantum algorithms that work against these sorts of syst=
ems.</div>
<div><br></div><div>See=A0<a href=3D"http://pqcrypto.org/">http://pqcrypto.=
org/</a></div><div>=A0</div></div>-- <br>Tony Arcieri<br>
</div></div>
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