Ricoh Aficio MP 3351 Security Target - Page 11
The Controller Board is a device that contains Processors, RAM, NVRAM, Ic Key, and FlashROM. - printer
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Page 10 of 87 Figure 2 : Hardware Configuration of the TOE Controller Board The Controller Board is a device that contains Processors, RAM, NVRAM, Ic Key, and FlashROM. The following describes the components of the Controller Board: - Processor A semiconductor chip thatperforms basic arithmetic processing for MFP operations. - RAM A volatile memory medium which is used as a working area for image processing such as compressing/decompressing the image data. It can also be used to temporarily read and write internal information. - NVRAM A non-volatile memory medium in which TSF data for configuring MFP operations is stored. - Ic Key A security chip that has the functions of random number generation, cryptographic key generation and digital signature. It has the memory medium inside, and the signature root key is installed before the TOE is shipped. - FlashROM A non-volatile memory medium in which the following software components are installed: System/Copy, Network Support , Scanner, Printer, Fax, RemoteFax, Web Support, Web Uapl, Network Copyright (c) 2011 RICOH COMPANY, LTD. All rights reserved.