Patent ID: 8917868
Filing Date: 2014-12-23
Classification: H04N

Abstract:
1. A video processing device for encrypting audio/video (A/V) data, the video processing device comprising: a data segmentation generator receives a domain selection n, and segments the A/V data into n data blocks; an encryption processing device, coupled to the data segmentation generator, receives an encryption depth selection k, and a range selection m, and sequentially encrypts each of the n data blocks m times using k different keys to generate n encrypted data blocks, wherein the encryption processing device adjusts a strength of encrypted A/V data by changing at least one of: a domain n0, a depth k0 or a range m0 of the A/V data to at least one of: an adjusted domain (n0+n), an adjusted depth (k0+k) or an adjusted range (m0+m); an output formatter, coupled to the encryption processing device, generates the encrypted A/V data from the n encrypted data blocks.