The diff is between the two relevant releases of this code - 10.8.5 [1] and 10.9 [2]. [1] - http://opensource.apple.com/source/Security/Security-55179.13/libse

The diff is between the two relevant releases of this code - 10.8.5 [1] and 10.9 [2]. [1] - http://opensource.apple.com/source/Security/Security-55179.13/libsecurity_ssl/lib/sslKeyExchange.c http://opensource.apple.com/source/Security/Security-55179.1... [2] - http://opensource.apple.com/source/Security/Security-55471/libsecurity_ssl/lib/sslKeyExchange.c http://opensource.apple.com/source/Security/Security-55471/l...