Re: A mighty fortress is our PKI

2010-07-23 Thread Peter Gutmann
Looks like the CDN certificate is already causing security problems, although not the kind that I was expecting: While trying to import a server certificate for a CDN service, a segv bug was found in [PKI app]. It is likely that this bug is exploitable by sending a special crafted signed me

Re: A mighty fortress is our PKI

2010-07-23 Thread Peter Gutmann
>From an off-list discussion: Can someone who knows more about how these CDNs handle certs provide a brief summary for the list? From looking at Sybil certs grabbed from a few CDN sites there doesn't seem to be any rhyme or reason to them. Also, how and under what conditions can you get access to

Re: Encryption and authentication modes

2010-07-23 Thread Florian Weimer
* David McGrew: > can I ask what your interest in AEAD is? Is there a particular > application that you have in mind? I just want to create a generic API which takes a key (most of the time, a randomly generated session key) and can encrypt and decrypt small blobs. Application code should not n

Re: A mighty fortress is our PKI

2010-07-23 Thread David-Sarah Hopwood
Peter Gutmann wrote: > Readers are cordially invited to go to https://edgecastcdn.net and have a > look > at the subjectAltName extension in the certificate that it presents. An > extract is shown at the end of this message, this is just one example of many > like it. I'm not picking on Edgec

Re: What if you had a very good patent lawyer...

2010-07-23 Thread John Gilmore
It's pretty outrageous that anyone would try to patent rolling barcoded dice to generate random numbers. I've been generating random strings from dice for years. I find that gamers' 20-sided dice are great; each roll gives you a hex digit, and anytime you roll a 17 thru 20, you just roll again.