CA Top Secret does not use fixed or real storage. The following list summarizes main storage utilization:
175 KB + (security block size) + (audit file size)
1224KB + (The ALL, SDT and STC Records) + (prefixed resource table)
The space these records use varies from site to site. See the section following to determine space requirements.
4 MB
Requirements vary depending on the size of a user's Security Records. For a single‑user address space, typically 1 KB is required per user. The minimum is 464 bytes. In a z/OS environment, the key 3 storage is allocated in extended LSQA above the 16 MB line.
For multi‑user address spaces (such as CICS), common profile security records are shared to minimize storage use. The average is 250 bytes per user. The largest portion of data uses key 3 storage, and the rest is in key 0 and the TCB key. User information is freed at sign-off. Profile information is freed when the last user of the profile signs off at address space termination.
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