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Table 25: Cryptographic Operations; Class Fco: Communication - Xerox WorkCentre 5845 User Information

Multi-function device security target
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FAU_STG.1.2:
6.3.1.4. FAU_STG.4 Prevention of audit data loss
Hierarchical to:
Dependencies:
FAU_STG.4.1:
6.3.2.

Class FCO: Communication

There are no Class FCO security functional requirements for this ST.
6.3.3.
Class FCS: Cryptographic support
6.3.3.1. FCS_COP.1 Cryptographic operation
Hierarchical to:
Dependencies:
FCS_COP.1.1
Cryptographic
Operations
Symmetric encryption and
decryption
Copyright
Xerox Multi-Function Device Security Target
The TSF shall be able to prevent unauthorized
modifications to the stored audit records in the audit trail.
FAU_STG.3.
FAU_STG.1 Protected audit trail storage
The TSF shall overwrite the oldest stored audit records
and [generate an email warning at 90%] if the audit trail is
full.
No other components.
[FDP_ITC.1 Import of user data without security
attributes, or
FDP_ITC.2 Import of user data with security attributes, or
FCS_CKM.1 Cryptographic key generation]
FCS_CKM.4 Cryptographic key destruction
The TSF shall perform [the cryptographic operations
listed in the Cryptographic Operations column of Table
25] in accordance with a specified cryptographic
algorithm [the cryptographic algorithms listed in the
Cryptographic Algorithm column of Table 25] and
cryptographic key sizes [the cryptographic key sizes
listed in the Key Sizes (bits) column of Table 25] that
meet the following: [the list of standards in the Standards
column of Table 25].

Table 25: Cryptographic operations

Cryptographic
Algorithm
Triple DES (CBC)
AES (CBC)
43
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Key Sizes
Standards & Certs.*
(bits)
FIPS 46-3 (cert #826
168
and #1174)
FIPS 197 (cert #1131
256
and #1821)

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