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Path: tera.mcom.com!news-mail-gateway
From: markm@voicenet.com (Mark M.)
Newsgroups: mcom.list.cypherpunks
Subject: Re: Layman's explanation for limits on escrowed encryption ...
Date: 27 May 1996 18:19:51 -0700
Organization: Local Mail/News Gateway
Lines: 51
Sender: daemon@tera.mcom.com
Approved: usenet@netscape.com
Message-ID: <Pine.LNX.3.93.960527203358.1163A-100000@gak>
References: <01I53K6SDN348Y4Z90@mbcl.rutgers.edu>
NNTP-Posting-Host: tera.mcom.com
Mime-Version: 1.0
Content-Type: multipart/signed; boundary="axb+h+IbI/zv+u";
protocol="application/pgp-signature"; micalg=pgp-md5
This message is in PGP/MIME format, according to the Internet Draft
draft-elkins-pem-pgp-03.txt. For more information, see:
http://www.c2.org/‾raph/pgpmime.html
(Actually, trailing whitespace is not treated specially,
so it is a proposal that may be adopted in the 04 draft.)
--axb+h+IbI/zv+u
Content-Transfer-Encoding: quoted-printable
On Fri, 24 May 1996, E. ALLEN SMITH wrote:
> =09Hmm.... what were the normal key-length recommendations again? This
> appears to imply that the NSA can break at least 64-bit, and probably 80-=
bit,
> encryption. How does this translate into public key lengths? E.g., how ma=
ny
> normal bits is a 1024-bit PGP key equivalent to?
> =09-Allen
The normal key-length recommendation was 96 bits. 64 bits and 80 bits are
equivalent to 512 bits and 768 bits respectively. I would guess that a
1024-bit key is about as strong as an 96-bit key. The first two numbers are
from _Applied Cryptography_; my estimate is an extrapolation from the data =
in
AC.
-- Mark
=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D=
-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D
markm@voicenet.com | finger -l for PGP key 0xe3bf2169
http://www.voicenet.com/‾markm/ | d61734f2800486ae6f79bfeb70f95348
((2b) || !(2b)) | Old key now used only for signatures
"The concept of normalcy is just a conspiracy of the majority" -me
--axb+h+IbI/zv+u
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=zkS8
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--axb+h+IbI/zv+u--
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