System and method of authenicating a digitally captured image
First Claim
1. A method of authenticating a transmitted digital still image against a captured digital still image, comprising:
- a) capturing the captured digital still image using a digital image capture device, wherein the capture device does not store signature data;
b) transmitting selected signature data of a plurality of remote-location signature data from a remote location remote from the digital image capture device to the digital image capture device;
c) associating an image identification with the captured digital still image;
d) applying the signature data to the captured digital still image to produce an authentication signature representative of the captured digital still image, so that the authentication signature is produced using the signature data and the image data of the captured digital still image;
e) associating the authentication signature with the image identification;
f) transmitting the authentication signature to the remote location;
g) storing the selected signature data, authentication signature, and image identification at the remote location;
h) transmitting the transmitted digital still image to the remote location, wherein the transmitted digital still image does not include the selected signature data or the authentication signature;
i) accessing the selected signature data for the transmitted digital still image;
j) applying the selected signature data to the transmitted digital still image to produce a verification signature; and
k) comparing the authentication signature with the verification signature to authenticate the transmitted digital still image against the captured digital still image.
5 Assignments
0 Petitions
Accused Products
Abstract
A system and method of authenticating a digital still image captured using a digital image capture device. To process the digital still image for later authentication, a signature data is transmitted from a remote location to the digital image capture device. Upon capturing the digital still image, an image identification is associated with the digital still image. The signature data is then applied to the captured digital still image to produce an authentication signature representative of the captured digital still image. The authentication signature is associated with the image identification and transmitted from the digital still image to the remote location for storage at the remote location. To verify the authenticity of the digital still image, the digital still image is transmitted to the remote location. The signature data for the transmitted digital still image is accessed and applied to the transmitted digital still image to produce a verification signature. The authentication signature and the verification signature are compared to determine the authentication of the transmitted digital still image. In an alternate embodiment, the signature data and image identification are sent to the image capture device to generate the verification signature, which is transmitted to the remote location for comparison with the authentication signature.
31 Citations
14 Claims
-
1. A method of authenticating a transmitted digital still image against a captured digital still image, comprising:
-
a) capturing the captured digital still image using a digital image capture device, wherein the capture device does not store signature data; b) transmitting selected signature data of a plurality of remote-location signature data from a remote location remote from the digital image capture device to the digital image capture device; c) associating an image identification with the captured digital still image; d) applying the signature data to the captured digital still image to produce an authentication signature representative of the captured digital still image, so that the authentication signature is produced using the signature data and the image data of the captured digital still image; e) associating the authentication signature with the image identification; f) transmitting the authentication signature to the remote location; g) storing the selected signature data, authentication signature, and image identification at the remote location; h) transmitting the transmitted digital still image to the remote location, wherein the transmitted digital still image does not include the selected signature data or the authentication signature; i) accessing the selected signature data for the transmitted digital still image; j) applying the selected signature data to the transmitted digital still image to produce a verification signature; and k) comparing the authentication signature with the verification signature to authenticate the transmitted digital still image against the captured digital still image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
Specification