PROCESSING CIPHER MESSAGE ASSIST INSTRUCTIONS

摘要

A method, system and program product for enciphering or deciphering storage of a computing environment by specifying, via an instruction, a unit of storage to be enciphered or deciphered. The instruction is associated with a field which identifies a function code value. The function code value is used to recognize whether an encipher or a decipher function is to be carried out and whether a query function is to be carried out.