Title: Information processing device, information recording medium, information processing method, and computer program
Application Number: 200580003325 Application Date: 2005.11.15
Publication Number: 1914852 Publication Date: 2007.02.14
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H04L9/14;G09C1/00;G06F21/24;G11B20/10
Applicant(s) Name: Sony Corp. Address:
Inventor(s) Name: Ueda Kenjiro;Muramatsu Katsumi;Oishi Tateo;Kato Mo
Attorney & Agent: qian dayong bo maiwen
Abstract:
    Scrambling of a content is improved, and false use of a content is excluded. Scramble rules different in contents are applied for content scrambling. For example, when shuffling is applied, various shuffle forms are defined as scramble rules. When an exclusive-OR operation is applied, the value used as exclusive-OR is defined as a scramble rule. When rotation is carried out, the amount of shift is defined as a scramble rule, When 32 shuffle elements are used for shuffling, 32! different shuffle forms, i.e., scramble rules can be defined. The value used as exclusive-OR and the amount of rotation shift can be set to various values, and many scramble rules can be set.
Time: 18