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    • 6. 发明授权
    • Encoding and encrypting devices for secure scalable data streaming
    • 用于安全可扩展数据流的编码和加密设备
    • US07349539B2
    • 2008-03-25
    • US09972229
    • 2001-10-04
    • Susie J. WeeJohn G. Apostolopoulos
    • Susie J. WeeJohn G. Apostolopoulos
    • H04K1/06
    • H04L65/607H04L63/0428H04N7/167H04N19/20H04N19/37H04N19/40
    • A device and method thereof for encoding and encrypting data. The device includes a segmenter adapted to receive the data and segment at least a portion of the data into regions, a scalable encoder adapted to scalably encode at least one of the regions into scalably encoded data, and a progressive encrypter adapted to progressively encrypt at least a portion of the scalably encoded data into progressively encrypted scalably encoded data. In one embodiment, progressively encrypted scalably encoded data are provided to a packetizer in real time. In another embodiment, the device includes a storage unit adapted to store progressively encrypted scalably encoded data. In this latter embodiment, data can then be extracted from storage and provided to a packetizer.
    • 一种用于对数据进行编码和加密的装置及其方法。 所述设备包括适于接收所述数据并将所述数据的至少一部分划分为区域的分段器,适于将所述区域中的至少一个可缩放地编码为可缩放编码数据的可伸缩编码器,以及适于逐渐加密的渐进加密器 可扩展编码的数据的一部分被逐渐加密的可缩放编码的数据。 在一个实施例中,逐行加密的可扩展编码数据被实时地提供给打包器。 在另一个实施例中,该设备包括适于存储逐渐加密的可缩放编码数据的存储单元。 在后一实施例中,然后可以从存储器提取数据并将其提供给打包器。