Certificate validity checking
AssigneeThomson Licensing
InventorAlain Durand
Life of this patent
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Abstract
A method for checking a validity of a certificate containing a key associated to a network device in a network, comprises receiving at the network an encrypted content and a validity index associated to the content. The validity of the certificate is evaluated from a time index contained within the certificate, the time index having a value corresponding to a time of issue of the certificate, and from the validity index associated to the encrypted content.
Claims20
A method for checking a validity of a certificate containing a key associated to a network device in a network, the method comprising:
- receiving at the network an encrypted content and a validity index associated to the content;
- evaluating the validity of the certificate from a time index contained within the certificate, the time index having a value corresponding to a time of issue of the certificate, and from the validity index associated to the encrypted content.
A system for checking a validity of a certificate associated to a network device of a network, the system comprising:
- at least one content receiver of the network, the content receiver allowing to receive from at least one content provider an encrypted content and a validity index associated to the content;
- evaluating means to evaluate the validity of the certificate from a time index of the certificate, the time index having a value corresponding to a time of issue of the certificate, and from the validity index associated to the encrypted content.
Dependencies are inferred from the claim text.