|
2009
|
Invention
|
Electronic key system. Disclosed is an electronic key system that is safe and reduces the possibi... |
|
2008
|
Invention
|
Client device, content reception method, management device, content distribution management metho... |
|
2007
|
Invention
|
Information processing device, information processing method and computer program. The decoding o... |
|
|
Invention
|
Decoding processing device, data processing method and computer program. The decoding of encrypte... |
|
2006
|
Invention
|
Encryption processing apparatus, encryption method, decryption processing apparatus, decryption m... |
|
|
Invention
|
Encryption device, encryption method, decryption device, decryption method, and data structure. I... |
|
|
Invention
|
Data processing apparatus. To improve the encryption technique in a data processing apparatus suc... |
|
|
Invention
|
Data processing apparatus.
To improve the encryption technique in a data processing ap... |
|
|
Invention
|
Communication system and communication method.
A communication system including two co... |
|
|
Invention
|
Communication system and communication method. A communication system including two communication... |
