Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-30 Thread danimoth
On 29/08/13 at 11:54pm, zooko wrote: The Least-Authority Filesystem does all of the above. We have some pretty good docs: https://tahoe-lafs.org/trac/tahoe-lafs/browser/trunk/docs/about.rst http://code.google.com/p/nilestore/wiki/TahoeLAFSBasics

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-29 Thread Nikos Fotiou
A naive comment. In his first email Zooko states: S4 offers “*verifiable* end-to-end security” because all of the source code that makes up the Simple Secure Storage Service is published for everyone to see A suspicious user may wonder, how can he be sure that the service indeed uses the

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-29 Thread Natanael
Considering that it's designed to not trust the servers in the first place (just your gateway, which often will be part of your own client or otherwise run locally), it's not all too hard. If you've verified the client, then you can be sure your data is secure. 2013/8/29 Nikos Fotiou

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-29 Thread danimoth
On 29/08/13 at 03:09pm, Nikos Fotiou wrote: A suspicious user may wonder, how can he be sure that the service indeed uses the provided source code. IMHO, end-to-end security can be really verifiable--from the user perspective--if it can be attested by examining only the source code of the

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-29 Thread zooko
On Thu, Aug 29, 2013 at 02:44:37PM +0200, danimoth wrote: On 29/08/13 at 03:09pm, Nikos Fotiou wrote: A suspicious user may wonder, how can he be sure that the service indeed uses the provided source code. IMHO, end-to-end security can be really verifiable--from the user perspective--if it

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-17 Thread ianG
On 16/08/13 22:11 PM, zooko wrote: On Tue, Aug 13, 2013 at 03:16:33PM -0500, Nico Williams wrote: Nothing really gets anyone past the enormous supply of zero-day vulns in their complete stacks. In the end I assume there's no technological PRISM workarounds. I agree that compromise of the

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-16 Thread Werner Koch
On Thu, 15 Aug 2013 13:11, wasabe...@gmail.com said: To: and From: headers leak the emails/identity of communicating parties, but it's not the only place that happens. I've never used PGP but I've used OpenPGP allows sending messages without information on the used keys (e.g. gpg

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-16 Thread zooko
On Tue, Aug 13, 2013 at 03:16:33PM -0500, Nico Williams wrote: Nothing really gets anyone past the enormous supply of zero-day vulns in their complete stacks. In the end I assume there's no technological PRISM workarounds. I agree that compromise of the client is relevant. My current

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-16 Thread zooko
On Tue, Aug 13, 2013 at 01:52:38PM -0500, Nicolai wrote: Zooko: Congrats on the service. I'm wondering if you could mention on the site which primitives are used client-side. All I see is that combinations of sftp and ssl are used for data-in-flight. Thanks! I'm not sure what your

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-16 Thread Nico Williams
On Fri, Aug 16, 2013 at 2:11 PM, zooko zo...@zooko.com wrote: On Tue, Aug 13, 2013 at 03:16:33PM -0500, Nico Williams wrote: Nothing really gets anyone past the enormous supply of zero-day vulns in their complete stacks. In the end I assume there's no technological PRISM workarounds. I

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-15 Thread ianG
Yeah. It's also worth pointing out that it is more or less impractical to secure email. The result is paper-success-reality-fail. This has been an observation for a long time. For recent evidence see Silent Circle's decision to drop their secured email offering. I would say it is mostly

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-14 Thread Eugen Leitl
On Wed, Aug 14, 2013 at 09:47:09AM +1000, James A. Donald wrote: On 2013-08-14 6:10 AM, Nico Williams wrote: - it's really not easy to defeat the PRISMs. the problem is *political* more than technological. For a human to read all communications would be an impossible burden. We're

[cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-13 Thread Zooko Wilcox-OHearn
Dear people of the cryptography@randombit.net mailing list: For obvious reasons, the time has come to push hard on *verifiable* end-to-end encryption. Here's our first attempt. We intend to bring more! We welcome criticism, suggestions, and requests. Regards, Zooko Wilcox-O'Hearn Founder,

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-13 Thread ianG
Super! I think a commercial operator is an essential step forward. Q: do you have some sense of how long the accesses take? E.g., I'm at the end of a long ping, will I expect the actions to take ms, s, or ks? iang On 13/08/13 18:56 PM, Zooko Wilcox-OHearn wrote: Dear people of the

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-13 Thread Peter Saint-Andre
On 8/13/13 11:02 AM, ianG wrote: Super! I think a commercial operator is an essential step forward. How so? Centralization via commercial operators doesn't seem to have helped in the email space lately. Peter -- Peter Saint-Andre https://stpeter.im/

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-13 Thread Zooko Wilcox-OHearn
On Tue, Aug 13, 2013 at 5:16 PM, Peter Saint-Andre stpe...@stpeter.im wrote: On 8/13/13 11:02 AM, ianG wrote: Super! I think a commercial operator is an essential step forward. How so? Centralization via commercial operators doesn't seem to have helped in the email space lately. It helps

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-13 Thread Peter Saint-Andre
On 8/13/13 12:53 PM, ianG wrote: On 13/08/13 20:16 PM, Peter Saint-Andre wrote: On 8/13/13 11:02 AM, ianG wrote: Super! I think a commercial operator is an essential step forward. How so? Centralization via commercial operators doesn't seem to have helped in the email space lately.

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-13 Thread Nico Williams
On Tue, Aug 13, 2013 at 12:02 PM, ianG i...@iang.org wrote: Super! I think a commercial operator is an essential step forward. A few points: - if only you access your own files then there's much less interest for a government in your files: they might contain evidence of crimes and

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-13 Thread Nico Williams
On Tue, Aug 13, 2013 at 2:09 PM, Peter Saint-Andre stpe...@stpeter.im wrote: Although presumably there would be value in shutting down a privacy-protecting service just so that people can't benefit from it any longer. When the assumption is that everything must be public, any service that

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-13 Thread Richard Guy Briggs
On Tue, Aug 13, 2013 at 01:09:15PM -0600, Peter Saint-Andre wrote: On 8/13/13 12:53 PM, ianG wrote: On 13/08/13 20:16 PM, Peter Saint-Andre wrote: On 8/13/13 11:02 AM, ianG wrote: Super! I think a commercial operator is an essential step forward. How so? Centralization via commercial

Re: [cryptography] LeastAuthority.com announces PRISM-proof storage service

2013-08-13 Thread James A. Donald
On 2013-08-14 6:10 AM, Nico Williams wrote: - it's really not easy to defeat the PRISMs. the problem is *political* more than technological. For a human to read all communications would be an impossible burden. Instead, apply the following algorithm. Identify people of interest. Read