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Electronic signature

Sep 2006
Kappa FranceRequest Info
Kappa opto-electronics GmbH has designed a line of digital cameras with an electronic signature for legal purposes. The DX 4/40 S cameras encode images into 160-bit numbers using the SHA-1 hash function and encrypt the images with a private key known to no one and a public key that enables users to verify that the image is unaltered. The 12-bit digital cameras take pictures at speeds of up to 15 fps, offer resolutions up to 2 megapixels and have dynamic ranges up to 63 dB. They have been approved by the Federal Office for Information Security in Germany.


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