CERTIFICATION METHOD AND ELECTRONIC DEVICE
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United States of America Patent
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Issued Date -
Jan 15, 2015
app pub date -
Jul 10, 2013
filing date -
Jul 10, 2013
priority date (Note) -
Abandoned
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Abstract
A certification method comprises steps of: providing a reliable time clock on a first electronic device; when data of the digital file are generated on the first electronic device, reading a reliable time count from the reliable time clock and adding the reliable time count into the digital file; generating a first abstract code from the digital file; generating a signature of the digital file by encrypting the first abstract code; and, sending the digital file and the signature to a second electronic device. In addition, electronic devices corresponding to the certification method are also disclosed herein.
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