FIELD: information technologies.
SUBSTANCE: command of the microprocessor sets a storage unit for encrypting or decrypting, and encrypts or decrypts this storage unit. The specified command has a field defining value of a code of function, a field defining value of bit-modifier, thereat one value of a function code corresponds to the inquiry operation that calls saving status word in the block of parameters having variety of bits, and value of certain bit of a status word equal binary "1", specifies that the function is already installed, value equal binary "0", specifies that the function is not installed.
EFFECT: increase of efficiency and speed of data processing and a possibility of using the declared format of commands for various organisations.
15 cl, 30 dwg
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