发明名称 Secure data distribution
摘要 A data providing system is provided which includes: a storage section which stores an encoded file obtained by encoding a data file to be distributed with a predetermined common key and an encoded information file obtained by encoding an information data file including information on the common key with a private key different from the common key; and a file transfer section which transfers the encoded file and the encoded information file from the storage section to external electronic device.
申请公布号 EP1947586(A1) 申请公布日期 2008.07.23
申请号 EP20080000665 申请日期 2008.01.15
申请人 KYOCERA MITA CORPORATION 发明人 YOSHIMURA, SACHIKO;KAWAI, TAKANAO
分类号 G06F21/00 主分类号 G06F21/00
代理机构 代理人
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