Ah right, of course. I done been workin' with dat dere Winders and the like too much!
(I really should know better--I've had to change "32-bit" to "31-bit" soooo many times in various documents that mention IBM Z...) -----Original Message----- From: IBM Mainframe Assembler List <ASSEMBLER-LIST@LISTSERV.UGA.EDU> On Behalf Of Charles Mills Sent: Wednesday, September 3, 2025 8:01 PM To: ASSEMBLER-LIST@LISTSERV.UGA.EDU Subject: Re: Question about HLASM complex relocatable expressions It's a nit in the big picture of this thing, but 2**31 maximum, right? The low-order bit would always be zero, no? Charles -----Original Message----- From: IBM Mainframe Assembler List <ASSEMBLER-LIST@LISTSERV.UGA.EDU> On Behalf Of Phil Smith III Sent: Wednesday, September 3, 2025 2:16 PM To: ASSEMBLER-LIST@LISTSERV.UGA.EDU Subject: Re: Question about HLASM complex relocatable expressions Jon Perryman wrote, in part: >I could see someone else using A(DXD + DXD) as a random encryption / >decryption key that changes at IPL. Ick. That's not even close to secure. Assuming it's below the bar, that's a max of 2**32 keys, not even DES strength. And that's assuming you can't further cut it by saying it's gonna be fullword or doubleword aligned...