[liberationtech] Carnegie Mellon Kills Black Hat Talk About Identifying Tor Users -- Perhaps Because It Broke Wiretapping Laws

2014-07-22 Thread Eugen Leitl
https://www.techdirt.com/articles/20140721/11362227955/carnegie-mellon-kills-black-hat-talk-about-identifying-tor-users.shtml Carnegie Mellon Kills Black Hat Talk About Identifying Tor Users -- Perhaps Because It Broke Wiretapping Laws from the questionable-legality dept There's some buzz in

Re: [liberationtech] Foxacid payload

2014-07-22 Thread coderman
On Fri, Jul 18, 2014 at 12:22 PM, Denis 'GNUtoo' Carikli gnu...@no-log.org wrote: ... If the adversary looses one exploit each times he attacks someone, then... perhaps someone to help answer the question is Google, if they felt inclined. per re:publica 2014 - Morgan Marquis-Boire: Fear and

Re: [liberationtech] Snakeoil and suspicious encryption services

2014-07-22 Thread Guido Witmond
On 07/19/14 11:13, carlo von lynX wrote: On Fri, Jul 18, 2014 at 7:59 AM, Lorenzo Franceschi-Bicchierai lorenzo...@gmail.com wrote: I was wondering if it's time to make a list of not-so-good snakeoil encryption services that have popped up after the Snowden revelations. Let's look at the

Re: [liberationtech] Snakeoil and suspicious encryption services

2014-07-22 Thread Aymeric Vitte
You should stop using statements like you don't know what your are doing, etc or I will reply the same way. I am participating to different W3C lists like CSP, Webapps co and to WebCrypto as a (not very active) member, so I know very well what's the state of the art, surprisingly I don't see

Re: [liberationtech] Snakeoil and suspicious encryption services

2014-07-22 Thread Aymeric Vitte
Thanks for your comments, please see mine below. Le 22/07/2014 03:40, coderman a écrit : On Mon, Jul 21, 2014 at 5:52 PM, Aymeric Vitte vitteayme...@gmail.com wrote: ... including your focus on elementary mitm issue, your arguments and judgement are so basic that I am wondering why I am

Re: [liberationtech] Snakeoil and suspicious encryption services

2014-07-22 Thread Aymeric Vitte
Interesting thoughts, please see my comments below. Le 22/07/2014 03:48, Seth David Schoen a écrit : Aymeric Vitte writes: You obviously don't know what you are talking about or just did not get what I explained or just do not understand http versus https or the contrary, or just do not

Re: [liberationtech] DNSSEC to the rescue. Was: Snakeoil and suspicious encryption services

2014-07-22 Thread Guido Witmond
On 07/22/14 13:47, Aymeric Vitte wrote: I am thinking about these issues since quite some time, unfortunately I reached the conclusion that you can not secure the code loading. A humble suggestion: With https, a self signed server certificate, a DANE record of that certificate in DNSSEC and a

Re: [liberationtech] DNSSEC to the rescue. Was: Snakeoil and suspicious encryption services

2014-07-22 Thread Tony Arcieri
On Tue, Jul 22, 2014 at 11:12 AM, Guido Witmond gu...@witmond.nl wrote: That way you could host all your javascript at the site. (but not at the CDN). If Subresource Integrity (SRI) were actually implemented by browsers, serving JS via a CDN would be fine (and could even be done safely over

Re: [liberationtech] Snakeoil and suspicious encryption services

2014-07-22 Thread Tony Arcieri
On Tue, Jul 22, 2014 at 4:47 AM, Aymeric Vitte vitteayme...@gmail.com wrote: Indeed extensions can be mitmed as easily as js code Browser extensions are digitally signed by their authors, so no, they are in no way as vulnerable to a MitM attack as JS served over plaintext HTTP:

Re: [liberationtech] DNSSEC to the rescue. Was: Snakeoil and suspicious encryption services

2014-07-22 Thread Aymeric Vitte
Answering to the three last answers in one time. Le 22/07/2014 20:44, Tony Arcieri a écrit : Of course, we're still left with the bootstrapping problem of getting an authentic parent page. So finally you have highlighted the main issue, this is valid for extensions too, this is why the

Re: [liberationtech] DNSSEC to the rescue. Was: Snakeoil and suspicious encryption services

2014-07-22 Thread Jérôme Pinguet
On 22/07/2014 20:44, Tony Arcieri wrote: On Tue, Jul 22, 2014 at 11:12 AM, Guido Witmond gu...@witmond.nl mailto:gu...@witmond.nl wrote: That way you could host all your javascript at the site. (but not at the CDN). If Subresource Integrity (SRI) were actually implemented by

Re: [liberationtech] DNSSEC to the rescue. Was: Snakeoil and suspicious encryption services

2014-07-22 Thread Tony Arcieri
On Tue, Jul 22, 2014 at 4:38 PM, Aymeric Vitte vitteayme...@gmail.com wrote: And checking what is doing a 400 kB js code is trivial for any serious js dev This assertion is completely ludicrous, especially when you're talking about trying to find a potentially stealthy malicious payload in