Security of a multimedia stream
AssigneeNokia Corporation
InventorsSilke Holtmanns, Pekka Johannes Laitinen
Life of this patent
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Abstract
A method including receiving encrypted multimedia information of a multimedia broadcast multicast service streaming session, wherein the multimedia information is encrypted using an encryption key. An indication allowing to switch the receiving of the encrypted multimedia information to a peer-to-peer streaming session is received and receiving of the encrypted multimedia information from the multimedia broadcast multicast service streaming session to the peer-to-peer streaming session is switched. Encrypted multimedia information of the peer-to-peer streaming session is received.
Claims15
A method comprising:
- receiving encrypted multimedia information of a multimedia broadcast multicast service streaming session, wherein the multimedia information is encrypted using an encryption key;
- receiving an indication allowing to switch the receiving of the encrypted multimedia information to a peer-to-peer streaming session;
- switching receiving of the encrypted multimedia information from the multimedia broadcast multicast service streaming session to the peer-to-peer streaming session;
- and
- receiving encrypted multimedia information of the peer-to-peer streaming session.
An apparatus comprising:
- at least one processor;
- and
- at least one memory including computer program code, the at least one memory and the computer program code being configured to, with the at least one processor, cause the apparatus at least to perform:
- receive encrypted multimedia information of a multimedia broadcast multicast service streaming session, wherein the multimedia information is encrypted using an encryption key;
- receive an indication allowing to switch the receiving of the encrypted multimedia information to a peer-to-peer streaming session;
- switch receiving of the encrypted multimedia information from the multimedia broadcast multicast service streaming session to the peer-to-peer streaming session;
- and
- receive encrypted multimedia information of the peer-to-peer streaming session.
A computer program embodied on a computer readable medium comprising computer executable program code which, when executed by at least one processor of an apparatus, causes the apparatus to perform:
- receive encrypted multimedia information of a multimedia broadcast multicast service streaming session, wherein the multimedia information is encrypted using an encryption key;
- receive an indication allowing to switch the receiving of the encrypted multimedia information to a peer-to-peer streaming session;
- switch receiving of the encrypted multimedia information from the multimedia broadcast multicast service streaming session to the peer-to-peer streaming session;
- and
- receive encrypted multimedia information of the peer-to-peer streaming session.
Dependencies are inferred from the claim text.