CSNBSMV, CSNBSMV1, CSNESMV, and CSNESMV1 provide identical functions. When choosing which service to use, consider this:

• CSNBSMV and CSNESMV require the text to reside in the caller's primary address space. Also, a program using CSNBSMV adheres to the IBM Common Cryptographic Architecture: Cryptographic Application Programming Interface.
• CSNBSMV1 and CSNESMV1 allow the text to reside either in the caller's primary address space or in a data space. This can allow you to decipher more data with one call. However, a program using CSNBSMV1 and CSNESMV1 do not adhere to the IBM CCA: Cryptographic API and may need to be modified prior to it running with other cryptographic products that follow this programming interface.

For CSNBSMV1 and CSNESMV1, text_id_in is an access list entry token (ALET) parameter of the data spaces containing the text.