On Sat, Jul 30, 2016, R-D intern wrote:

> Thank you,  Stephen. 
> You answered regarding randomness in different sessions if session
> resumption is on. But my question revolves around the same messages within
> the same Session. How different encrypted texts are formed of the same
> plaintext between a client -server? 
> Is it only the iv changes or the MAC,  BULK encryption keys as well? 
> 

That has already been answered: only the IV changes. The technique used
depends on the version of TLS/SSL. There is also some additional data put
through the MAC which depends on the record sequence number. So even with the
same application data different data is MACed.

Steve.
--
Dr Stephen N. Henson. OpenSSL project core developer.
Commercial tech support now available see: http://www.openssl.org
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