[27965] in cryptography@c2.net mail archive
Re: Chinese WAPI protocol?
daemon@ATHENA.MIT.EDU (RL 'Bob' Morgan)
Tue Jun 13 10:16:33 2006
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
Date: Tue, 13 Jun 2006 07:49:25 +0100 (BST)
From: "RL 'Bob' Morgan" <rlmorgan@washington.edu>
To: David Wagner <daw@cs.berkeley.edu>
Cc: cryptography@metzdowd.com
In-Reply-To: <200606130115.k5D1F25C029463@taverner.cs.berkeley.edu>
On Mon, 12 Jun 2006, David Wagner wrote:
> As far as I can tell, WAPI (the Chinese proposal) uses proprietary
> unpublished cryptographic algorithms. The specification is secret and
> confidential. It uses the SMS4 block cipher, which is secret and
> patented. [*]
According to a legal friend who studies this area, it has been common
practice for quite a while for the Chinese to require the licensing of
Chinese-developed technology in many industrial areas in order for
companies to have access to the market. WAPI reportedly led to the
highest-level conflict with US companies about this practice.
- RL "Bob"
---------------------------------------------------------------------
The Cryptography Mailing List
Unsubscribe by sending "unsubscribe cryptography" to majordomo@metzdowd.com
