[openssl-users] different encrypted text for the same plain text message

[R-D intern]

Hello Benjamin,
Thanks for the reply.
I know the purpose and benefit of creating different cipher texts of the
same corresponding plain text.But I would like to know about the places
where this randomness gets introduced to create different encrypted
texts.Because SSL handshake takes place only once. After creation of  pre
secret key(for an entire session) at both the client and the server ends,
master key is created based on pre secret key, identifier label, client and
server random numbers which is again maintained for an entire session . The
master key is responsible for creating MAC key, bulk encryption key and IV
for client - server  read - write.  If the bulk encryption key (which is
responsible for encrypting the message ) for an entire session is fixed and
constant, then how is the encrypted text different?
Regards,
Suman



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