The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 05, 2012
Filed:
May. 14, 2007
Yeo-jin Kim, Suwon-si, KR;
Yun-sang OH, Seoul, KR;
Sang-gyoo Sim, Suwon-si, KR;
Kyung-im Jung, Seongnam-si, KR;
Ji-soo Kim, Yongin-si, KR;
Yeo-jin Kim, Suwon-si, KR;
Yun-sang Oh, Seoul, KR;
Sang-gyoo Sim, Suwon-si, KR;
Kyung-im Jung, Seongnam-si, KR;
Ji-soo Kim, Yongin-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
Provided are a method and apparatus for creating and applying a secure file identifier of a rights object by using random numbers. The apparatus includes a secure-file-identifier generating unit which creates the secure file identifier by generating a random number and combining the random number with a hash value corresponding to a rights object identifier of the file identifier list; a transmitting unit which transmits the secure file identifier to the storage device; and a receiving unit which receives a secure file identifier list for identifying the rights object from a storage device.