METHOD AND APPARATUS FOR DETECTING THE FALSIFICATION OF METADATA
摘要
There are disclosed methods and systems (and related data structures) for processing metadata in files, including media files, so that an alteration or falsification of the metadata can be detected. According to certain embodiments, the metadata includes hash values and digital signatures that were generated by a content server. These hash values and digital signatures can be used by a client device to authenticate the metadata.
申请公布号
WO2006118896(A3)
申请公布日期
2007.11.22
申请号
WO2006US15781
申请日期
2006.04.25
申请人
SONY ELECTRONICS INC.;SONY CORPORATION;SAEKI, KEIKO;FUTAGAMI, MOTOMASA;ISHIZAKA, TOSHIHIRO