[149192] in cryptography@c2.net mail archive
Re: [Cryptography] Does PGP use sign-then-encrypt or
daemon@ATHENA.MIT.EDU (Tony Arcieri)
Tue Jan 21 22:04:54 2014
X-Original-To: cryptography@metzdowd.com
In-Reply-To: <CAAt2M1_9X9yQTzDZKjFc_G1R4aA2o2TO=Ni6Pr9M+rFmSqk0xQ@mail.gmail.com>
From: Tony Arcieri <bascule@gmail.com>
Date: Tue, 21 Jan 2014 16:01:30 -0800
To: Natanael <natanael.l@gmail.com>
Cc: Jerry Leichter <leichter@lrw.com>,
Stephan Neuhaus <stephan.neuhaus@tik.ee.ethz.ch>,
John Kelsey <crypto.jmk@gmail.com>,
Cryptography Mailing List <cryptography@metzdowd.com>,
James Cloos <cloos@jhcloos.com>
Errors-To: cryptography-bounces+crypto.discuss=bloom-picayune.mit.edu@metzdowd.com
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On Tue, Jan 21, 2014 at 3:48 PM, Natanael <natanael.l@gmail.com> wrote:
> You can do signatures directly with symmetric primitives like hashes.
>
> See Lamport signatures
>
Yes, I'm aware of Lamport/Merkle signatures. However these systems still
use public and private keys, even if they're composed of symmetric
primitives.
--
Tony Arcieri
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<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Tue, Jan 21, 2014 at 3:48 PM, Natanael <span dir="ltr"><<a href="mailto:natanael.l@gmail.com" target="_blank">natanael.l@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">You can do signatures directly with symmetric primitives like hashes.<br></p>
<p dir="ltr">See Lamport signatures</p></blockquote><div>Yes, I'm aware of Lamport/Merkle signatures. However these systems still use public and private keys, even if they're composed of symmetric primitives.</div>
</div><div><br></div>-- <br>Tony Arcieri<br>
</div></div>
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