USB 3.0 write blocker
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USB 3.0 write blocker Members: Chen Zhao Elphas Sang Yan Fang Advisors: Dr. Zhao Zhang Client: PowerPoint PPT Presentation


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USB 3.0 write blocker Members: Chen Zhao Elphas Sang Yan Fang Advisors: Dr. Zhao Zhang Client: Electronic Crime Institute - Des Moines Area Community College March, 22, 2011. High-level design. Project goal: Data filtering on programmable development kit Concept sketch

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USB 3.0 write blocker Members: Chen Zhao Elphas Sang Yan Fang Advisors: Dr. Zhao Zhang Client:

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Usb 3 0 write blocker members chen zhao elphas sang yan fang advisors dr zhao zhang client

USB 3.0 write blocker

Members:

Chen Zhao

Elphas Sang

Yan Fang

Advisors:

Dr. Zhao Zhang

Client:

Electronic Crime Institute - Des Moines Area Community College

March, 22, 2011


High level design

High-level design

  • Project goal:

    Data filtering on programmable development kit

  • Concept sketch

    SuperSpeed USB 3.0 to Serial ATA Bridge

    + writing block


High level design1

High-level design

  • Functional decomposition

  • USB 3.0 to SATA adapter

  • Support for Mass-Storage Devices Compatible With the ATA/ATAPI-8 Specification

  • UASP protocol compliant mass storage device suitable for bridging hard disk drives (HDD)

  • Auto-load firmware (boot code)


Design tradeoffs

Design tradeoffs

  • Firmware configuration simplifies the hardware design procedure

  • Integrated ARM Cortex M3 Core used for USB 3.0 superspeed transfer


Technology platforms

Technology platforms

  • TUSB9260 SuperSpeed USB 3.0 to Serial ATA Bridge

  • Features

  • SuperSpeed USB 3.0 Compliant

  • USB Class Support (USB Mass Storage Class Bulk-Only Transport )

  • SATA Interface

  • Integrated ARM Cortex M3 Core


Detailed design

Detailed design

  • Block diagram


Firmware design module

Firmware design module

  • Behavioral module

    I/O memory mapping

    dataflow control

  • Data memory module

    booting code and auto-load program

    • Device interface module

      AHCI and USB device controller


Testing and evaluation plan

Testing and Evaluation plan

  • Test case selection: prototype of the project

  • Basic requirement: a write blocker shall not transmit any command on a protected storage device that modifies the data

  • Test environment(subject to change):

    Intel X58 SATA 6Gb/s USB 3.0 ATX Intel Motherboard

    Intel® Core™2 Duo processor E8000

    Hard Disk Drive: Hitachi 7K3000 7200RPM SATA HD


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