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9.3Using the Digital Signature Verifier

1)Open the Digital Signature verification program by selecting START>PROGRAMS>DVR>DIGITAL VERIFIER>DIGITAL SIGNATURE VERIFIER.

2)Select the BROWSE button to load the JPG or AVI image.

3)Enter the SITE CODE of the DVR unit that the image was originally extracted from.

4)Press the VERIFY button.

If the image has not been tampered with, the program will display a message that says “Original image file.”

If the image has been tampered with, then a red square will be drawn around the image and a message will appear saying “Entire image changed or wrong SITE CODE.”

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Toshiba KV-DVR manual Using the Digital Signature Verifier