PROTECTED] On Behalf Of Steven M. Bellovin
Sent: Thursday, June 15, 2006 11:36 PM
To: David Wagner
Cc: cryptography@metzdowd.com
Subject: Re: Chinese WAPI protocol?
One unspoken issue has always been whether or not the Chinese government
has deliberately sabotaged the spec, presumably for domestic
: pat hache [mailto:[EMAIL PROTECTED]
Sent: Tuesday, June 13, 2006 8:06 PM
To: Eastlake III Donald-LDE008
Cc: cryptography@metzdowd.com
Subject: Re: Chinese WAPI protocol?
no problem , Don
probably my mac woudn t see such page... (!?!!?) Pat (Mexico)
On 13 juin 06, at 18:40, Eastlake III Donald
David Wagner [EMAIL PROTECTED] writes:
The specification is secret and confidential. It uses the SMS4
block cipher, which is secret and patented. [*]
Secret and patented are mutually exclusive.
--
Ben Pfaff
email: [EMAIL PROTECTED]
web: http://benpfaff.org
On 6/14/06, Ben Pfaff [EMAIL PROTECTED] wrote:
David Wagner [EMAIL PROTECTED] writes:
The specification is secret and confidential. It uses the SMS4
block cipher, which is secret and patented. [*]
Secret and patented are mutually exclusive.
--
Ben Pfaff
For the uspto, yes. For sipo, not
| The specification is secret and confidential. It uses the SMS4
| block cipher, which is secret and patented. [*]
|
| Secret and patented are mutually exclusive.
Actually, they are not. There is a special provision in the law under
which something submitted to the patent office can be
On Wed, 14 Jun 2006 12:33:46 -0700, Ben Pfaff [EMAIL PROTECTED] wrote:
David Wagner [EMAIL PROTECTED] writes:
The specification is secret and confidential. It uses the SMS4
block cipher, which is secret and patented. [*]
Secret and patented are mutually exclusive.
Perhaps not. The
unpublished cryptographic algorithms. The specification is secret
and confidential. It uses the SMS4 block cipher, which is secret and
patented. [*]
It's been declassified in January 2006.
The SMS4 cipher specification -
http://www.oscca.gov.cn/UpFile/200621016423197990.pdf
Ruptor
unpublished cryptographic algorithms. The specification is secret
and confidential. It uses the SMS4 block cipher, which is secret and
patented. [*]
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unpublished cryptographic algorithms.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
: Chinese WAPI protocol?
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
Hi Richard,
I have not looked at WAPI, but they have been trying to get it approved for a
number of years, check out http://en.wikipedia.org/wiki/WAPI (has link to
algorithm) and http://www.foxnews.com/story/0,2933,199082,00.html.
Regards,
Aram Perez
On Monday, June 12, 2006, at 03:25PM,
Hi Folks,
My apologies on stating that the Wiki page had a link to the algorithm. I saw
the link but didn't click on it to see if in fact there was a description of
the actual algorithm.
Regards,
Aram Perez
On Monday, June 12, 2006, at 06:45PM, David Wagner [EMAIL PROTECTED] wrote:
[snip]
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