Re: [openssl-users] openssl impact on CVE-2015-2808

2015-04-06 Thread Michael Wojcik
Bar Mitzvah is an improvement on existing attacks against RC4. It's a credible exposure under some threat models. Primarily it's an issue for sites with a lot of RC4 conversations, since it depends on the use of weak keys, which are a large subset of all RC4 keys. When a conversation (randomly)

Re: [openssl-users] openssl impact on CVE-2015-2808

2015-04-06 Thread Jeffrey Walton
> Please correct me if my understanding is wrong, basically this attack is > triggered based on the design of RC4. > openssl is one of the implementers of RC4 algo. There are biases in the stream created by RC4. In theory, and adversary could use the biases to as a launchpad to recover plain text (