The KVV (as Ceci called it) is based on attributes of the dataset (from the catalog) and the key label (from the catalog). If we come up with the same KVV as is stored, we decide that we have the right key (with an error factor of roughly 1 in 2^256... no crypto person every says anything is 100%)
Eric Rossman, CISSP ICSF Cryptographic Security Development z/OS Enabling Technologies [email protected] -----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Gibney, Dave Sent: Monday, June 27, 2022 11:05 PM To: [email protected] Subject: [EXTERNAL] Re: Encrypted datasets - question about key (pervasive encryption) How, in the most general case, perhaps unblocked, binary data, do you know you've got valid data? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
