Re: [cryptography] Allergy for client certificates

2013-10-10 Thread ianG
On 9/10/13 01:41 AM, Tony Arcieri wrote: We use client certs extensively for S2S authentication where I work (Square). As for web browsers, client certs have a ton of problems: I have successfully used them in a PHP website of my own design. I just plugged away until they worked. I grant

Re: [cryptography] was this FIPS 186-1 (first DSA) an attemped NSA backdoor?

2013-10-10 Thread James A. Donald
On 2013-10-10 23:30, Adam Back wrote:Of course NIST is down due to the USG political level stupidity (why take the extra work to switch off the web server on the way out I dont know). Note that the obamacare websites are still open, and that parks that are normally operated by private contrac

[cryptography] was this FIPS 186-1 (first DSA) an attemped NSA backdoor?

2013-10-10 Thread Adam Back
Some may remember Bleichenbacher found a random number generator bias in the original DSA spec, that could leak the key after soem number of signatures depending the circumstances. Its described in this summary of DSA issues by Vaudenay "Evaluation Report on DSA" http://www.ipa.go.jp/security/en

[cryptography] Cryptographers condemn US National Security Agency’s tapping and tampering, but mathematicians shrug.

2013-10-10 Thread Eugen Leitl
http://www.nature.com/news/researchers-split-over-nsa-hacking-1.13911 Researchers split over NSA hacking Cryptographers condemn US National Security Agency’s tapping and tampering, but mathematicians shrug. Ann Finkbeiner 08 October 2013 The National Security Agency is the largest employer of

Re: [cryptography] Allergy for client certificates

2013-10-10 Thread Guido Witmond
On 10/09/13 16:47, stef wrote: > On Wed, Oct 09, 2013 at 02:50:59PM +0100, Michael Rogers wrote: >> This touches on another question I've been meaning to ask you: what >> happens if a user creates an account from a client machine, thus >> installing a client cert on that machine, and then wants to

Re: [cryptography] Allergy for client certificates

2013-10-10 Thread Guido Witmond
On 10/09/13 16:41, stef wrote: > i have something like this eccentric authentication implemented for some time: > https://github.com/stef/tlsauth > i also provided django and flask bindings for it > https://github.com/stef/django-tlsauth > https://github.com/stef/flask-tlsauth > > and i use this i

Re: [cryptography] Allergy for client certificates

2013-10-10 Thread Guido Witmond
On 10/09/13 15:50, Michael Rogers wrote: > On 09/10/13 10:56, Guido Witmond wrote: >> You might want to take a look at my experiments. It's a user agent >> that does all the key management for you. > >> It even does it with never asking anything more difficult than >> what username you want to hav