Method, apparatus, and program for processing information

作者: Atsumu Soda

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摘要: An information processing apparatus decrypts stream data encrypted according to a first encryption method using key second method. In the apparatus, an update instructing unit identifies timings of decryption keys and issues command. A output outputs before receiving command generated subsequent after instruction control determines whether has been is updated key. When generated, considers generation point in time be timing from so as issue

参考文章(32)
Yun-sang Kim, Yun-ho Choi, Yang-lim Choi, Apparatus and method for hierarchical encryption ,(2003)
Katsumi Tokuda, Kouji Miura, Ryuichi Okamoto, Content usage management system and server used in the system ,(2002)
Jason Charles Pelly, Andrew Robert Taylor, Daniel Luke Hooper, Access control for digital content ,(2004)
Karl L. Ginter, Francis J. Spahn, Victor H. Shear, David M. Van Wie, Systems and Methods for Secure Transaction Management and Electronic Rights Protection ,(2010)
Alaa S. Youssef, Ahmed Tantawy, Jonathan P. Munson, Giovanni Pacifici, Magda Mourad, Digital content distribution using web broadcasting services ,(2000)
Kenneth L. Levy, Transmarking of multimedia signals ,(2001)