发明名称 |
Transmitter, receiver, and transmitting method |
摘要 |
According to one embodiment, a transmitting method transmits a start request for an authentication and key exchange from at least one of receivers to the transmitter, performs an authentication and key exchange for at least one of a first key common to the receivers and a second key peculiar to the at least one of the receivers, and encrypts the content by using a key shared by the transmitter and the at least one of the receivers to transmit the encrypted content to the at least one of the receivers.
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申请公布号 |
US2007204161(A1) |
申请公布日期 |
2007.08.30 |
申请号 |
US20070710467 |
申请日期 |
2007.02.26 |
申请人 |
ISOZAKI HIROSHI;CHAKI HIROYUKI;KONDA KAZUNOBU;KOKUBO TAKASHI;OHKITA HIDEKI |
发明人 |
ISOZAKI HIROSHI;CHAKI HIROYUKI;KONDA KAZUNOBU;KOKUBO TAKASHI;OHKITA HIDEKI |
分类号 |
H04N7/167 |
主分类号 |
H04N7/167 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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