ATEN CS1182 Manuel d'utilisateur télécharger pdf (Page 12)

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4 Security Objectives

4.1 Security Objectives for the TOE

The following security objectives are intended to be satisfied by the TOE

O.CONF The TOE shall not violate the confidentiality of information

which it processes. Information generated within any

PERIPHERAL GROUP COMPUTER CONNECTION shall not

be accessible by any other PERIPHERAL GROUP with a

different GROUP ID.

O.INDICATE The AUTHORIZED USER shall receive an unambiguous

indication of which SWITCHED COMPUTER has been

selected.

O.ROM TOE software/firmware shall be protected against unauthorized

modification. Embedded software must be contained in

mask-programmed or one-time-programmable read-only

memory permanently attached (non-socketed) to a circuit

assembly.

O.SELECT An explicit action by the AUTHORIZED USER shall be used to

select the COMPUTER to which the shared set of

PERIPHERAL DEVICES is CONNECTED Single push button,

multiple push button, or rotary selection methods are used by

most (if not all) current market products. Automatic switching

based on scanning shall not be used as a selection mechanism.

O.SWITCH All DEVICES in a SHARED PERIPHERAL GROUP shall be

CONNECTED to at most one SWITCHED COMPUTER at a

time.

O.USBDETECT The TOE shall detect any USB connection that is not a pointing

device, keyboard, or display and will perform no interaction with

that device after the initial identification.

4.2 Security Objectives for the Environment

The following security objectives for the environment of the TOE must be satisfied in

order for the TOE to fulfill its own security objectives.

OE.ACCESS The AUTHORIZED USER shall possess the necessary privileges

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ATEN CS1182 Manuel d'utilisateur Page 12