On 29/07/2016 09:23, R-D intern wrote: > 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 > The IV changes. The precise method of changing the IV depends on the TLS version, because the method used in SSL 3 and TLS 1.0 was not as secure as it should be. Enjoy Jakob -- Jakob Bohm, CIO, Partner, WiseMo A/S. https://www.wisemo.com Transformervej 29, 2860 S?borg, Denmark. Direct +45 31 13 16 10 This public discussion message is non-binding and may contain errors. WiseMo - Remote Service Management for PCs, Phones and Embedded
