Partial encryption of stream-formatted media

Details Partial encryption of stream-formatted media Partial encryption of stream-formatted media

2007-01-23

2007-01-23

Song, Hosuk (Department: 2135)

Cryptography

Video cryptography

C380S201000, C380S210000, C380S217000

Reexamination Certificate

active

10214101

ABSTRACT:
A method of partially encrypting streaming media according to an embodiment of the invention comprises: receiving media in a streaming-media format; partitioning the stream-formatted media into cloak data and non-cloak data; and encrypting the cloak data such that less than all of the stream-formatted media is encrypted.

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patent: 6965996 (2005-11-01), Hirano et al.
Weiping Li; “Overview of Fine Granularity Scalability in MPEG-4 Standard”; 2000 IEEE; pp. 301-316.

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