Electronic signature method and apparatus

Details Electronic signature method and apparatus Electronic signature method and apparatus

G - Physics

06

K

G06K 9/62 (2006.01) G09C 1/00 (2006.01) H04L 9/00 (2006.01) H04L 9/10 (2006.01) H04L 9/12 (2006.01) H04L 9/32 (2006.01)

Patent

CA 2138919

Electronic signature apparatus and method provide an electronic signature that can be created only by a signer, but cannot be used for other than the signature object document to be processed, and that can be verified and authenicated as an image. Since the verified result is an image, such as a print of a seal and a signature, the verifier can easily verify the validity of the image. In addition, since a signature image and a signature object document may separately be processed, combined, and decomposited upon decryption, they can effectively be used for a printed signature.

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