From: markh@wimsey.bc.ca (Mark C. Henderson)
Date: Mon, 31 Jan 94 20:00:28 PST
To: cypherpunks@toad.com
Subject: Re: Linear Cryptanalysis of DES - New Developments by Matsui
Message-ID: <m0pRCHQ-0000onC@vanbc.wimsey.com>
MIME-Version: 1.0
Content-Type: text/plain


> 
> On Jan. 27, at the Japanese Conference on Cryptography and Information 
> Security, Mitsuru Matsui of Mitsubish presented a known plaintext
> attack on the full 16-round DES.  It requires  2^43 plaintext-ciphertext
> pairs, and breaks the scheme in 50 days on 12 HP9735 workstations.
> 
> I have absolutely no more information at this point.  I will post again
> when I know something else.

I would _really_ like to see this paper. Does anyone have a preprint
or copy they'd be willing to share?

Mark

-- 
Mark Henderson      markh@wimsey.bc.ca (personal account)
RIPEM MD5OfPublicKey: F1F5F0C3984CBEAF3889ADAFA2437433
ViaCrypt PGP Key Fingerprint: 21 F6 AF 2B 6A 8A 0B E1  A1 2A 2A 06 4A D5 92 46
cryptography archive maintainer -- anon ftp -- wimsey.bc.ca:/pub/crypto