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    • 44. 发明授权
    • Digital watermarks with values derived from remote platforms
    • 具有从远程平台派生的值的数字水印
    • US07111167B1
    • 2006-09-19
    • US09608982
    • 2000-06-30
    • Minerva M. YeungShreekant S. Thakkar
    • Minerva M. YeungShreekant S. Thakkar
    • H04L9/00H04K1/00G06F17/30G06F7/04G06K9/00H03M1/68
    • G06F21/16G06F21/73G06F2221/2103H04L9/3271H04L2209/608
    • In some embodiments, the invention involves receiving remotely originating data (ROD) and creating a customized identification (CID) which is at least partially created through encrypting the ROD as a function of a platform key (PK) and a random number (RN) of a computer system receiving the ROD. Further, content is received which includes at least one watermark in which at least part of the CID is embedded. Authentication comparison data (ACD) is created which is at least partially created through decrypting data embedded in the watermark. In some embodiments, content includes first and second data sets, wherein the first data set is used to create a watermark key (WK) and the second data set is extracted utilizing the WK and the ACD includes at least part of the second data set.
    • 在一些实施例中,本发明涉及接收远程始发数据(ROD)并创建定制标识(CID),其通过根据平台密钥(PK)和随机数(RN)的函数加密ROD而至少部分地创建 接收ROD的计算机系统。 此外,接收包含至少一个嵌入了至少一部分CID的水印的内容。 创建认证比较数据(ACD),其通过解密嵌入在水印中的数据至少部分地创建。 在一些实施例中,内容包括第一和第二数据集,其中第一数据集用于创建水印密钥(WK),并且使用WK提取第二数据集,并且ACD包括第二数据集的至少一部分。