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Evaluating A Selection of Tools for Extraction of Forensic Data: Disk ...

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Log<br />

highlights:<br />

Helix3 Pro R3 (Release Date: 30 th , Dec 2009)<br />

Both tests came back with the same result. No Log is created.<br />

Results by<br />

assertion: AFR-01 PASSED AIC-01 N/A AHS-02 N/A<br />

AFR-02 PASSED AIC-02 N/A AHS-03 N/A<br />

AFR-03 PASSED AIC-05 N/A ALOG-01 N/A<br />

AFR-04 PASSED AIC-06 N/A ALOG-02 N/A<br />

AFR-05 FAILED AIC-07 N/A ALOG-03 N/A<br />

AFR-06 FAILED AIC-08 N/A<br />

AFR-07 N/A AHS-01 N/A<br />

Analysis: Test FAILED to achieve the expected Result. No Log is created due to the<br />

reason that Helix 3 pro acquiring image in extremely slow speed.<br />

2.16. TC-12 Partially Hidden by HPA<br />

Test Case TC-12 Partially and Completely Hidden by HPA (Helix3 Pro 2009 R3)<br />

Test &<br />

Case<br />

Summary:<br />

Acquire a partition that is partially or completely hidden by HPA or DCO<br />

Notes: NTFS partition has been partially hidden by HPA from 6301488 to 156301487.<br />

No partition table was detected in this case.<br />

Assertion: AFR-01 The tool accesses the digital source with a supported access interface<br />

AFR-02 The tool acquires a digital source<br />

AFR-03 The tool operates in an execution environment<br />

AFR-04 The tool creates an image file <strong>of</strong> the digital source<br />

AFR-05 The tool acquires all the visible data sectors from the digital source<br />

AFR-06 The tool acquires all the hidden data sectors from the digital source<br />

AFR-07 All data sectors acquired from the digital source are acquired accurately.<br />

AIC-01<br />

The data represented by an image file is the same as the data acquired by the<br />

tool<br />

AIC-02 The tool creates an image file according to the file <strong>for</strong>mat the user specified.<br />

AIC-05<br />

If multi-file image creation and the image file size is selected, the tool creates<br />

a multi-file image except that one file may be smaller<br />

AIC-06<br />

If the image file integrity check is selected, the tool shall report to the user the<br />

image file has not been changed if the image file has not been changed.<br />

AIC-07<br />

If the image file integrity check is selected, the tool shall report to the user the<br />

AIC-08<br />

ALOG-<br />

01<br />

ALOG-<br />

02<br />

ALOG-<br />

03<br />

image file has been changed if the image file has been changed.<br />

If the image file integrity check is selected, the tool shall report to the user the<br />

image file has been changed and the involved location if the image file has<br />

been changed.<br />

If the tool logs any in<strong>for</strong>mation regarding to the acquisition, the in<strong>for</strong>mation is<br />

accurately logged in the log file.<br />

The tool display correct in<strong>for</strong>mation about the acquisition to the user. The<br />

in<strong>for</strong>mation about the acquisition at least including following: device, start<br />

sector, end sector, type and number <strong>of</strong> errors encountered, and start time and<br />

end time <strong>of</strong> acquisition.<br />

The tool display correct in<strong>for</strong>mation regarding to the acquisition to the user<br />

and the in<strong>for</strong>mation displayed is consistent with the log file if the log file<br />

function is supported<br />

AHS-01 The tool reports to the user if any hidden sectors are found<br />

AHS-02<br />

AHS-03<br />

The tool reports to the user that digital source may contain hidden sector but<br />

undetected if the tool is unable to determine whether hidden sectors are<br />

present due to incompatible execution environment<br />

The tool reports to the user that hidden sectors will not be acquired if the tool<br />

is unable to acquire hidden sectors due to incompatible execution<br />

237

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