Re: [TLS] Curve25519 in TLS

mrex@sap.com (Martin Rex) Wed, 16 October 2013 06:42 UTC

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Date: Wed, 16 Oct 2013 08:42:35 +0200 (CEST)
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From: mrex@sap.com (Martin Rex)
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Cc: Simon Josefsson <simon@josefsson.org>, tls@ietf.org
Subject: Re: [TLS] Curve25519 in TLS
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Manuel Pégourié-Gonnard wrote:
> 
> Curve25519 ECDH:
> 1. Private keys: random 254-bit positive integer with the high-order bit
> set and the three lowest-order bits cleared.
> 2. Public keys: any number in the range [0, 2^{256}-1].
> 3. Public key encoding: a byte string in little-endian convention.
> 
> Any other idea?

Make it work completely _without_ rfc4492 bloat,
and similar to DH instead, defining new KeyExchange Methods
and seperate ciphersuites for it.

-Martin