Re: [Ach] Proposal to Remove legacy TLS Ciphersuits Offered by Firefox

2014-01-06 Thread Adi Kriegisch
Hi! Sorry for being rather late in my reply; most of your questions/remarks are already answered. The guide is not backward compatible with all clients. We, at Mozilla, must maintain backward compatibility with even the oldest, most broken, clients on the internet, and this shapes our

Re: [Ach] Proposal to Remove legacy TLS Ciphersuits Offered by Firefox

2014-01-06 Thread Aaron Zauner
On 03 Jan 2014, at 00:19, Aaron Zauner a...@azet.org wrote: After BREAK there was this huge outcry by “security professionals” to switch to RC4, I still think that was a dumb idea. Sorry. BREACH of course. Aaron signature.asc Description: Message signed with OpenPGP using GPGMail --

Re: [Ach] Proposal to Remove legacy TLS Ciphersuits Offered by Firefox

2014-01-06 Thread Aaron Zauner
ARGH! Third time’s a charm: BEAST. BREACH is CRIME related and has nothing to do with that. Aaron signature.asc Description: Message signed with OpenPGP using GPGMail -- dev-tech-crypto mailing list dev-tech-crypto@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-tech-crypto

Re: [Ach] Proposal to Remove legacy TLS Ciphersuits Offered by Firefox

2014-01-06 Thread Aaron Zauner
Hi Kurt, On 02 Jan 2014, at 21:51, Kurt Roeckx k...@roeckx.be wrote: On Thu, Jan 02, 2014 at 09:33:24PM +0100, Aaron Zauner wrote: I *think* they want to prefer CAMELLIA to AES, judging by the published ciphersuite. But the construction must be wrong because it returns AES first. If the

Re: [Ach] Proposal to Remove legacy TLS Ciphersuits Offered by Firefox

2014-01-06 Thread Alexander Wuerstlein
On 14-01-05 16:56, Aaron Zauner a...@azet.org wrote: On Sun, Jan 5, 2014 at 4:27 PM, Kurt Roeckx k...@roeckx.be wrote: On Fri, Jan 03, 2014 at 12:19:10AM +0100, Aaron Zauner wrote: 3DES isn't broken. Triple DES provides about 112bit security (We've a section on the topic in the

Re: [Ach] Proposal to Remove legacy TLS Ciphersuits Offered by Firefox

2014-01-06 Thread Aaron Zauner
Hi Julien, I took the liberty to answer a few of your questions (in CC to dev-tech-crypto and ach). Others might want to add something as well: On 02 Jan 2014, at 18:09, Julien Vehent jul...@linuxwall.info wrote: Overall, I think this guide is great! The configuration examples are very

Re: [Ach] Proposal to Remove legacy TLS Ciphersuits Offered by Firefox

2014-01-06 Thread Aaron Zauner
Hi Kurt, That is true, the issue being that some software and hardware platforms do not support RSA keys above 2048bit as of now. I mean - I do not really have an issue with discussing to put 3DES in there. We were a bit time restricted to do our research (i.e. we limited ourselves to certain