Re: [cryptography] Q: CBC in SSH

2013-02-18 Thread Bodo Moeller
http://stackoverflow.com/questions/10378066/which-algorithm-is-stronger-for-tls-aes-256-or-camellia-256 which says: The reasoning is contained in the NSS library source code and is somewhat convoluted, but it has nothing to do with security. It has to do with a desire to support

Re: [cryptography] Q: CBC in SSH

2013-02-13 Thread Bodo Moeller
On Wed, Feb 13, 2013 at 12:52 PM, Peter Gutmann pgut...@cs.auckland.ac.nzwrote: active use of ECC suites on the public Internet is practically nonexistent That's not entirely accurate; try www.google.com. Bodo ___ cryptography mailing list

Re: [cryptography] Duplicate primes in lots of RSA moduli

2012-02-16 Thread Bodo Moeller
Isn't this a self-signature? Oh, in this case it's a self-signature. Werner, the problem (aka feature) is that expiry according to self-signatures isn't carried forward into third-party certification signatures -- so if an attacker gets hold of the (not-so-)private key, the attacker can just

Re: [cryptography] PFS questions (was SSL *was* broken by design)

2011-10-04 Thread Bodo Moeller
On Mon, Oct 3, 2011 at 5:42 PM, Marsh Ray ma...@extendedsubset.com wrote: At the risk of feeding the conspiracy angle, I note that there is only one stream cipher for SSL/TLS (RC4). All the others in common use are CBC modes, with that same predictable IV weakness as IPsec (i.e. BEAST). There