发明名称 |
Fremgangsmåte og anordning for sikker kommunikasjon av informasjon mellom flere digitale, audiovisuelle anordninger |
摘要 |
The present invention relates to a method of providing secure communication of information between at least a first and second digital audiovisual device ( 30, 52 ) and characterized in that the first device ( 30 ) communicates to the second device ( 52 ) a certificate Ct(KpubT) comprising a transport public key KpubT encrypted by a management private key KpriMan, the second device ( 52 ) decrypting the certificate using an equivalent management public key KpubMan and thereafter using the transport public key KpubT to encrypt information sent to the first device, the first device using an equivalent private key KpriT to decrypt the information. The present invention is particularly applicable to a method of providing secure communication between a first and second decoder. |
申请公布号 |
NO20010227(D0) |
申请公布日期 |
2001.01.12 |
申请号 |
NO20010000227 |
申请日期 |
2001.01.12 |
申请人 |
CANAL+ SA |
发明人 |
DAUVOIS, JEAN-LUC;BENARDEAU, CHRISTIAN |
分类号 |
G09C1/00;H04L9/08;H04L29/06;H04N7/167;H04N7/20 |
主分类号 |
G09C1/00 |
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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