On Fri, Nov 21, 2014, Chris Bare wrote: > Is there a way to query the BIO or SSL object to see which cipher is being > used? > I have a case where my openssl client's performance is significantly slower > when talking to server A vs server B. AFAIK, the only difference between A > and B is the level of Windows updates, so I'm suspicious that Windows has > started to favor the slower ECC ciphers, but I need a way to prove it. >
SSL_get_cipher_name(). What do you mean by "peformance" the initial connection speed or the data transfer rate? With ECC the curve used is also significant: you can query that using OpenSSL 1.0.2+ which allows you to get details of the server temporary key. Steve. -- Dr Stephen N. Henson. OpenSSL project core developer. Commercial tech support now available see: http://www.openssl.org ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org
