Security Function Strength Rationale; Assurance Measures Rationale; Pp Claim Rationle; Requirements - Konica Minolta BIZHUB 920 Software Manual

FMT_SMR.1
The maintenance of role is realized by realizing the registration of User BOX identifier and User
BOX password, and the change of CE, administrator, and User BOX passwords. The registration of
administrator, the registration of general user who owns User BOX, and the change of administrator,
CE, User BOX passwords, are implemented in IA.ADM_ADD, MNG.ADM, and IA.PASS
respectively. Therefore, FMT_SMR.1 is realized by implementing IA.ADM_ADD, IA.PASS, and
MNG.ADM.
FPT_STM.1
The function to create the audit record is realized in AUD.LOG. Therefore, FPT_STM.1 is
realized by implementing AUD.LOG.
FDP_MTD.1
The function to enter the HDD lock password is realized in MNG_HDD. Therefore, FDP_MTD.1
is realized by implementing MNG_HDD.
8.3.2.

Security Function Strength Rationale

As described in "6.2 Security Function Strength", SOF-Basic is claimed in the password
mechanism of the identification and authentication function (IA.ADM_AUTH, IA_CE_AUTH,
ACL_USR, IA_AＤM_ADＤ, and IA.PASS) and management support function (MNG.ADM and
MNG_HDD). As described in "5.3 Security Strength", the minimum function strength claims
SOF-Basic to security functional requirements and it is consistent with SOF-Basic claimed in "6.2
Security Function Strength".
8.3.3.

Assurance Measures Rationale

The assurance measures are corresponded to all of the TOE security assurance requirements
needed in EAL3 "6.3 Assurance Measures". The all evidence that TOE security assurance
requirements regulated by this ST is covered by the related rules shown in the assurance measures.
Therefore, TOE security assurance requirements in EAL3 can be realized.
8.4. PP Claim Rationale
There is no applicable PP in this ST.
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