Appendix e: verifying digital signature – Speco Technologies 8TH User Manual

Page 159

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User’s Manual

DVR-4TH/8TH/16TH Series

SPECO TECHNOLOGIES 07/10

158

Appendix E: Verifying Digital Signature

The digital signature aims to authenticate a video file exported from the unit. Follow the
instructions to export video with a digital signature and to verify the digital signature.

To export recorded video with digital signature:

To export recorded video with a digital signature to a USB hard drive or DVD+RW
drive, follow these steps.
• In <Video Export> menu, select copy device, data type, expected channel and

start/end time, or event video clips.

• Set the <Digital Signature> function to <Yes>.
• Start the exporting process by setting <Begin Export> to <Yes>.

Video Export

Select Device
Select Ch:
From
To
Select Events
Data Type
Export Format
Digital Signature
Erase Disc
Begin Export

CH1 CH2 CH3 CH4

2008/03/19 AM 07:50:05

2008/03/28 PM 03:09:18

Normal

DRV

No
No
No

Each recorded video will be exported into four files with different filenames,
including *.gpg, *.drv, *.sig and readme.txt.

To verify the exported recorded video:

Following are the procedures for digital signature verification.
• Start

your

SpecoRemote™ and click <Play> on the main window tool bar.

• Click <Verify> tab to display the Verify window.

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