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METHOD FOR CONCEALING SECRET INFORMATION, SECRET INFORMATION CONCEALING DEVICE, PROGRAM, METHOD FOR EXTRACTING SECRET INFORMATION, AND SECRET INFORMATION EXTRACTION DEVICE
METHOD FOR CONCEALING SECRET INFORMATION, SECRET INFORMATION CONCEALING DEVICE, PROGRAM, METHOD FOR EXTRACTING SECRET INFORMATION, AND SECRET INFORMATION EXTRACTION DEVICE
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机译:秘密信息隐藏方法,秘密信息隐藏设备,程序,秘密信息提取方法和秘密信息提取设备
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摘要
A method for concealing hiding-object information using a first 2D barcode and a second 2D barcode, the first 2D barcode containing at least first closed information, the second 2D barcode containing at least second closed information, the method, including: generating the first 2D barcode, the first closed information of the first 2D barcode containing protection-encoding data information, the protection-encoding data information being for identifying protection-encoding data, the protection-encoding data being for protection-encoding the second 2D barcode; and generating a protection-encoded second 2D barcode by applying the protection-encoding data to at least a part of the second 2D barcode, the second closed information of the second 2D barcode containing the hiding-object information.
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