Enhancements to z/TPFDF cache and encryption support (PI85156)
DanJacobs 0600007UGV Visits (1766)
Enhancements to z/TPFDF cache and encryption support improve the maintainability for the cache and encryption control settings and provide stronger database security.
APAR PI44953 provided z/TPFDF cache support, and APAR PI56472 provided z/TPFDF encryption support. With these APARs, you can use the ZUDFM CACHE and ZUDFM ENCRYPT commands to manage cache and encryption settings for your z/TPFDF files. The cache and encryption settings for z/TPFDF files are saved in the z/TPFDF format-2 global record (IDFCNTRL). However, no mechanism exists to clean up any entries in the format-2 global record that are no longer needed.
With APAR PI85156, you can use the REMOVE parameter on the ZUDFM CACHE or ZUDFM ENCRYPT command to delete entries from the z/TPFDF control format-2 global record for files that no longer use z/TPFDF cache support or z/TPFDF encryption support.
Furthermore, encryption processing is enhanced with APAR PI85156 to provide stronger data verification for databases that use message digests.
For more information about APAR PI85156, see the APEDIT. Also, see Enhancements to z/TPFDF cache and encryption support (PI85156) in the IBM