BusinessWeek article on IBM Research's Fully Homomorphic Encryption

2009-10-05 Thread Ali, Saqib
Good read: http://www.businessweek.com/technology/content/sep2009/tc20090930_463595.htm For more info: http://www-03.ibm.com/press/us/en/pressrelease/27840.wss http://portal.acm.org/citation.cfm?id=1536414.1536440 This is just a proof of possibility, not (yet) feasibility. saqib

Re: Trusted timestamping

2009-10-05 Thread Paweł Krawczyk
On Sun, 04 Oct 2009 23:42:22 +0200 Alex Pankratov a...@poneyhot.org wrote: There is for example timestamp.verisign.com, but there is no documentation or description of it whatsoever. From European world plagued with qualified electronic signature disease - timestamp servers usually are

Re: Trusted timestamping

2009-10-05 Thread Ian G
On 04/10/2009 23:42, Alex Pankratov wrote: I guess my main confusion at the moment is why large CAs of Verisign's size not offering any standalone timestamping services. My view is that there is no demand for this as a service. The apparent need for it is more a paper requirement that came

RE: Trusted timestamping

2009-10-05 Thread piers.bowness
-Original Message- On Sunday, October 04, 2009 5:42 PM Alex Pankratov a...@poneyhot.org wrote: Does anyone know what's the state of affairs in this area ? I think there are two factors. 1) This is complex problem and 2) Where it might have really been required (i.e. the courts) it

Re: Question about Shamir secret sharing scheme

2009-10-05 Thread Jonathan Katz
On Sat, 3 Oct 2009, Kevin W. Wall wrote: Hi list...I have a question about Shamir's secret sharing. According to the _Handbook of Applied Cryptography_ Shamir’s secret sharing (t,n) threshold scheme works as follows: SUMMARY: a trusted party distributes shares of a secret S to n users.

Re: Trusted timestamping

2009-10-05 Thread Thierry Moreau
Alex Pankratov wrote: Does anyone know what's the state of affairs in this area ? This is probably slightly off-topic, but I can't think of a better place to ask about this sort of thing. I have spent a couple of days looking around the Internet, and things appear to be .. erm .. hectic and

Re: Trusted timestamping

2009-10-05 Thread silky
On Mon, Oct 5, 2009 at 8:42 AM, Alex Pankratov a...@poneyhot.org wrote: Does anyone know what's the state of affairs in this area ? This is probably slightly off-topic, but I can't think of a better place to ask about this sort of thing. I have spent a couple of days looking around the

Re: Trusted timestamping

2009-10-05 Thread Fearghas McKay
On 5 Oct 2009, at 16:04, Ian G wrote: My view is that there is no demand for this as a service. The apparent need for it is more a paper requirement that came out of PKI world's search for a perfect product than any business need. E.g., if you think you want it, you might be better