[17444] in cryptography@c2.net mail archive
Re: encrypted tapes (was Re: Papers about "Algorithm hiding" ?)
daemon@ATHENA.MIT.EDU (lists@notatla.org.uk)
Thu Jun 9 18:29:21 2005
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
Date: Thu, 09 Jun 2005 17:41:45 +0100
To: root@ihack.net, astiglic@okiok.com
Cc: k.buchanan@kastenchase.com, cryptography@metzdowd.com,
adam@homeport.org
In-Reply-To: <200506090159.13042.root@ihack.net>
From: lists@notatla.org.uk
From: "Charles M. Hannum" <root@ihack.net>
> I can name at least one obvious case where "sensitive" data -- namely credit
> card numbers -- is in fact something you want to search on: credit card
> billing companies like CCbill and iBill. Without the ability to search by
> CC#, customers are pretty screwed.
Is there a good reason for not searching by the hash of a CC# ?
http://www.wayner.org/books/td/
http://www.unixwiz.net/techtips/secure-cc.html
I think the author is planning further work on this site and
would be happy to receive constructive comments.
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