Ricoh Aficio MP 2851 Security Target - Page 55

Security Requirements Rationale

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Page 55 of 81 6.3 Security Requirements Rationale This section describes the rationale behind the security requirements. If all security functional requirements are satisfied as below, the security objectives defined in "4.1Security Objectives for TOE" are fulfilled. 6.3.1 Tracing Table 22 shows the relationship between the TOE security functional requirements and TOE security objectives. The "v" in the table indicates that the TOE security functional requirement fulfills the TOE security objective. Table 22 shows that each TOE security functional requirementfulfills at least one TOE security objective. Table 22: Relationship between security objectives and functional requirements O.AUDIT O.I&A O.DOC_ACC O.MANAGE O.MEM.PROTECT O.NET.PROTECT O.GENUINE O.LINE_PROTECT FAU_GEN.1 v FAU_SAR.1 v FAU_SAR.2 v FAU_STG.1 v FAU_STG.4 v FCS_CKM.1 v FCS_COP.1 v FDP_ACC.1 v FDP_ACF.1 v FDP_IFC.1 v FDP_IFF.1 v FIA_AFL.1 v FIA_ATD.1 v FIA_SOS.1 v FIA_UAU.2 v FIA_UAU.7 v FIA_UID.2 v Copyright (c) 2010 RICOH COMPANY, LTD. All Rights Reserved.

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Page 55 of 81
Copyright (c) 2010 RICOH COMPANY, LTD. All Rights Reserved.
6.3
Security Requirements Rationale
This section describes the rationale behind the security requirements. If all security functional requirements
are satisfied as below, the security objectives defined in "4.1Security Objectives for TOE" are fulfilled.
6.3.1
Tracing
Table 22 shows the relationship between the TOE security functional requirements and TOE security
objectives. The "v" in the table indicates that the TOE security functional requirement fulfills the TOE
security objective.
Table 22 shows that each TOE security functional requirement fulfills at least one TOE security objective.
Table 22: Relationship between security objectives and functional requirements
O.AUDIT
O.I&A
O.DOC_ACC
O.MANAGE
O.MEM.PROTECT
O.NET.PROTECT
O.GENUINE
O.LINE_PROTECT
FAU_GEN.1
v
FAU_SAR.1
v
FAU_SAR.2
v
FAU_STG.1
v
FAU_STG.4
v
FCS_CKM.1
v
FCS_COP.1
v
FDP_ACC.1
v
FDP_ACF.1
v
FDP_IFC.1
v
FDP_IFF.1
v
FIA_AFL.1
v
FIA_ATD.1
v
FIA_SOS.1
v
FIA_UAU.2
v
FIA_UAU.7
v
FIA_UID.2
v