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Re: [saag] [IPsec] trapdoor'ed DH (and RFC-5114 again)

Peter Gutmann <pgut001@cs.auckland.ac.nz> Tue, 18 October 2016 12:50 UTC

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From: Peter Gutmann <pgut001@cs.auckland.ac.nz>
To: Yoav Nir <ynir.ietf@gmail.com>, Paul Wouters <paul@nohats.ca>
Thread-Topic: [saag] [IPsec] trapdoor'ed DH (and RFC-5114 again)
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Date: Tue, 18 Oct 2016 12:50:24 +0000
Message-ID: <1476795020698.67090@cs.auckland.ac.nz>
References: <alpine.LRH.2.20.1610091711050.8864@bofh.nohats.ca> <D42AB86C.538C3%john.mattsson@ericsson.com> <CADZyTknqvF=zxW2thuN7mf_St2UmnWZzd8dVb5dWzDJ5=8tz5w@mail.gmail.com> <8C717FB2-DDC2-452E-AEC3-115B1E1397CF@gmail.com> <alpine.LRH.2.20.1610171206070.827@bofh.nohats.ca>, <A54A2CC3-EFE4-4B13-8902-5FC34FDAEC83@gmail.com>
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Cc: "ipsec@ietf.org WG" <ipsec@ietf.org>, Security Area Advisory Group <saag@ietf.org>
Subject: Re: [saag] [IPsec] trapdoor'ed DH (and RFC-5114 again)
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Yoav Nir <ynir.ietf@gmail.com> writes:

>Someone can trapdoor 1024-bit values, therefore someone else can trapdoor
>2048-bit values.

Yep, space aliens.  However I'm really not too worried about those at the
moment.

Peter.

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