Just take the time to read thru Lin Overby's SHARE presentation on TCPIP and Cryptography. It is excellent.
http://mobile.share.org/client_files/SHARE_in__Seattle/S3346LO213235.pdf And it will answer all of your questions. Rob Schramm Senior Systems Consultant Imperium Group On Thu, Apr 12, 2012 at 9:04 AM, Staller, Allan <allan.stal...@kbmg.com> wrote: > 1) If CPACF is available, I believe it will be used > 2) IIRC, TLS uses symmetric key > 3) Encryption generally incurs fairly significant overhead. IIRC, TCPIP > will offload this work to a zIIP if available. > > HTH, > > <snip> > as the subject , a couple of questions to be clarified . > from z10+ , with z/OS V1.11+ > 1) I know z/OS FTP client support SSL/TLS , But no idea whether the > transferred data encrypted via HW crypto (CPACF) ? > 2) If yes , what kind of key , symemtric key ? asymmestric key ? > 3) is it signifcant CPU overhead comparing with none SSL ftping ? > </snip> > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@bama.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: INFO IBM-MAIN