Re: patent of the day

2008-01-24 Thread Dirk-Willem van Gulik
On Wed, 23 Jan 2008, Leichter, Jerry wrote: well be prior art, but the idea of erasing information by deliberately discarding a key is certainly not completely obvious except in retrospect. If you look at any traditional crypto text, you won't Hmm - it is commonly mentioned that (early)

Re: patent of the day

2008-01-23 Thread John Levine
In article [EMAIL PROTECTED] you write: http://www.google.com/patents?vid=USPAT6993661 Gee, the inventor is Simson Garfinkel, who's written a bunch of books including Database Nation, published in 2000 by O'Reilly, about all the way the public and private actors are spying on us. I wonder

Re: patent of the day

2008-01-23 Thread Ali, Saqib
can anyone please shed more light on this patent. It seems like a patent on the simple process of cryptographic erase.. saqib http://www.full-disk-encryption.net/wiki On Jan 22, 2008 7:29 PM, Perry E. Metzger [EMAIL PROTECTED] wrote: http://www.google.com/patents?vid=USPAT6993661

RE: patent of the day

2008-01-23 Thread Dave Korn
On 23 January 2008 04:45, Ali, Saqib wrote: can anyone please shed more light on this patent. It seems like a patent on the simple process of cryptographic erase.. As far as I can tell, they're describing a hardware pass-through OTF encryption unit that plugs inline with a hard drive

Re: patent of the day

2008-01-23 Thread Peter Gutmann
John Levine [EMAIL PROTECTED] writes: In article [EMAIL PROTECTED] you write: http://www.google.com/patents?vid=USPAT6993661 Gee, the inventor is Simson Garfinkel, who's written a bunch of books including Database Nation, published in 2000 by O'Reilly, about all the way the public and private

Re: patent of the day

2008-01-23 Thread Leichter, Jerry
| http://www.google.com/patents?vid=USPAT6993661 | | Gee, the inventor is Simson Garfinkel, who's written a bunch of books | including Database Nation, published in 2000 by O'Reilly, about all | the way the public and private actors are spying on us. | | I wonder whether this was research to see

Re: patent of the day

2008-01-23 Thread dan
I wonder whether this was research to see how hard it was to get the PTO to grant an absurd patent. Get Simson's opinion, please. It is not insane to patent something so that you can control its use and to do so for reasons other than wanting to lay about in the Caribbean/Vegas. As

Re: patent of the day

2008-01-23 Thread Todd Arnold
Subject patent of the day http://www.google.com/patents?vid=USPAT6993661 Hat tip to a party who prefers to remain anonymous who sent me the patent number. -- Perry E. Metzger [EMAIL PROTECTED

Re: patent of the day

2008-01-23 Thread Florian Weimer
* Saqib Ali: can anyone please shed more light on this patent. It seems like a patent on the simple process of cryptographic erase.. Exactly. Niels Provos, Encrypting Virtual Memory, USENIX Security 2000, looks like something pretty close to prior art: | We investigate several

Re: patent of the day

2008-01-23 Thread Dave Howe
Perry E. Metzger wrote: http://www.google.com/patents?vid=USPAT6993661 Hat tip to a party who prefers to remain anonymous who sent me the patent number. Interesting. he patented E4M, then two years old or so... - The

patent of the day

2008-01-22 Thread Perry E. Metzger
http://www.google.com/patents?vid=USPAT6993661 Hat tip to a party who prefers to remain anonymous who sent me the patent number. -- Perry E. Metzger[EMAIL PROTECTED] - The Cryptography Mailing List Unsubscribe