The COPYMOD function of IEBCOPY will in some cases combine multiple blocks of a load module into fewer longer blocks, and where certain blocks contain the length of the next block, the length will be changed accordingly. In such cases comparing the original and the copy will not produce a match or the same checksum.
Bill On Wed, 27 Apr 2022 09:19:19 -0700, Charles Mills wrote: >One of the two systems is Dallas. FWIW, I got the no ICSF message on the other >system. > >Will try later today with cksum. Definitely should be good enough. This is not >crypto or cybercrime, just "are these two programs the same?" > >Charles > > >-----Original Message----- >From: IBM Mainframe Discussion List [mailto:[email protected]] On >Behalf Of Tony Harminc >Sent: Tuesday, April 26, 2022 6:19 PM >To: [email protected] >Subject: Re: Checksum of "legacy" load module? > >On Tue, 26 Apr 2022 at 19:32, Charles Mills <[email protected]> wrote: >> >> FSUMF437 ICSF is required but not available. >> >> :-( > >Dallas? > >Works on this zPDT under VM. And even better, gives the same answer as >on Gord's system! So either we both have the correct IEFBR14 or we >both have the same corrupted/infected one. Or the tool always gives >the same answer. Or [insert favourite crypto attack here]. > >Tony H. > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
