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APUTIL is a utility that decrypts and verifies files in a specified
directory/SFD from the Autopatch tapes. APUTIL has five commands, their
function are listed below:
DECRYPT will accept a directory/SFD or its representation as a logical name
as an argument. This logical name can point to only one directory/SFD.
DECRYPT will use the specified directory/SFD from the READ command as
default, and the specified .VFY filename as the default for the key file,
with .KEY as its extension. If the filename for the key file is different,
the switch KEY must be used to specify the device, directory and filename
of the key file.
The DECRYPT command has the following form:
APUTIL>DECRYPT (files in directory) directory/SFD [/KEY:filespec]
EXIT will close all open files and exit to the monitor.
APUTIL has five commands - READ, DECRYPT, VERIFY, EXIT, HELP. HELP COMMAND
will give information on specified command.
READ will read the .VFY file in the specified directory/SFD. If no
directory/SFD or its representation as a logical name is specified, the
default will be the connected directory/SFD. The default for file
extension will be .VFY. The .VFY file must be read before DECRYPT or
VERIFY can be done.
The READ command has the following form:
APUTIL>READ (verify file) filespec
VERIFY will compare the checksums of the files listed in the .VFY file last
READ with the checksums of files in the specified directory/SFD. Files
must be decrypted before using the VERIFY command, otherwise the checksums
will not match.
Default is the directory/SFD specified in the READ or DECRYPT command,
whichever is the most recent.
The VERIFY command has the following form:
APUTIL>VERIFY (files in directory) directory/SFD