US 7,603,561 B2
Methods and apparatus for input of coded image data
Kazuomi Oishi, Yokohama (Japan)
Assigned to Canon Kabushiki Kaisha, Tokyo (Japan)
Filed on Aug. 26, 2005, as Appl. No. 11/211,426.
Application 11/211426 is a division of application No. 08/777246, filed on Dec. 31, 1996, granted, now 7,000,112.
Claims priority of application No. 1996/003603 (JP), filed on Jan. 12, 1996.
Prior Publication US 2005/0283612 A1, Dec. 22, 2005
Int. Cl. H04L 9/00 (2006.01); H04L 9/32 (2006.01)
U.S. Cl. 713—176  [713/189; 713/192; 713/193] 5 Claims
OG exemplary drawing
 
1. A digital camera comprising:
an obtaining unit, adapted to obtain digital data;
a compression unit, adapted to compress the digital data obtained by said obtaining unit;
a receiver unit, adapted to receive a secret key from an external device;
a generator unit, adapted to generate information for verifying digital data obtained by said obtaining unit, using the compressed digital data and the secret key received by said receiver unit and carrying out a predetermined operation; and
a transmitter unit, adapted to transmit the information generated by said generator unit with the digital data obtained by said obtaining unit to the external device.