1997-05-13 - Re: Unexportable crypto
Header Data
From: iang@cs.berkeley.edu (Ian Goldberg)
To: cypherpunks@cyberpass.net
Message Hash: 5ab64f9b2378d3a447f2d3c913c33512ec6d9a0fc78e884d1c6bbd715feeed0e
Message ID: <5l8tu1$sqv@abraham.cs.berkeley.edu>
Reply To: <199705121618.MAA09197@jazz.cape.com>
UTC Datetime: 1997-05-13 05:37:33 UTC
Raw Date: Tue, 13 May 1997 13:37:33 +0800
Raw message
From: iang@cs.berkeley.edu (Ian Goldberg)
Date: Tue, 13 May 1997 13:37:33 +0800
To: cypherpunks@cyberpass.net
Subject: Re: Unexportable crypto
In-Reply-To: <199705121618.MAA09197@jazz.cape.com>
Message-ID: <5l8tu1$sqv@abraham.cs.berkeley.edu>
MIME-Version: 1.0
Content-Type: text/plain
-----BEGIN PGP SIGNED MESSAGE-----
In article <199705121618.MAA09197@jazz.cape.com>,
ET <emergent@eval-apply.com> wrote:
>A simple substitution cypher has a keyspace of
>26! ~ 2**88
>Isn't this too strong to export?
>
Actually, yes. The cypherpunks ftp site has a program on it that helps
you break simple substitution ciphers (like newspaper cryptograms), for which
the author claims he was denied an export license.
- Ian
-----BEGIN PGP SIGNATURE-----
Version: 2.6.2
iQCVAwUBM3f6/UZRiTErSPb1AQGcyAQAqb2FX4Cn1aJfLTry8ZyaG6vVinaxLedM
nOK/uBGXEeuFCR0S+nwOmy2hvB3MpZM0BJrQCxqOQSqXjufbPsdfi9lu7T8vJ6vP
RUhxIuleN5hv2CHUs3B4+i0WpfxegspTp4txaeJO0DAY3dowqJI8apN9YECPny0r
NlX9YA1fObE=
=wrek
-----END PGP SIGNATURE-----
Thread
Return to May 1997
- Return to ““ET” <emergent@eval-apply.com>”
- Return to ““Graham C. Hughes” <graham.hughes@resnet.ucsb.edu>”
Return to “iang@cs.berkeley.edu (Ian Goldberg)”
- 1997-05-12 (Tue, 13 May 1997 00:42:17 +0800) - Unexportable crypto - “ET” <emergent@eval-apply.com>
- 1997-05-12 (Tue, 13 May 1997 01:36:00 +0800) - Re: Unexportable crypto - “Graham C. Hughes” <graham.hughes@resnet.ucsb.edu>
- 1997-05-13 (Tue, 13 May 1997 13:37:33 +0800) - Re: Unexportable crypto - iang@cs.berkeley.edu (Ian Goldberg)