An encryption apparatus and method for synchronizing...

H - Electricity – 04 – L

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

H04L 9/28 (2006.01) H04N 7/167 (2006.01)

Patent

CA 2354351

A data stream, such as a digital motion picture, is encrypted in units of one or more blocks, each block having an assigned encryption key. A plurality of encryption keys is assigned to the complete data stream, with a synchronization index provided to map each individual encryption key to its starting data block. Encryption keys and associated synchronization indices are provided separately from the data stream, using one or more additional data transfer mechanisms. An optional offset, randomly generated, allows variation in intervals between data blocks at which encryption by a specific encryption key can be performed.

Un flux de données, comme un film numérisé, est chiffré en unités d'un ou de plusieurs blocs, chaque bloc étant assorti d'une clé de chiffrement. De nombreuses clés de chiffrement sont attribuées pour l'ensemble du flux de données, un indice de synchronisation étant prévu pour faire correspondre chaque clé de chiffrement à son bloc de données de départ. Les clés de chiffrement et leurs indices de synchronisation respectifs sont transmis séparément du flux de données, à l'aide d'un ou de plusieurs autres mécanismes de transfert de données. Un décalage facultatif, généré de façon aléatoire, permet une variation des intervalles entre les blocs de données et auxquels le chiffrement peut être effectué par une clé particulière.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

An encryption apparatus and method for synchronizing... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with An encryption apparatus and method for synchronizing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and An encryption apparatus and method for synchronizing... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1750339

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.