The new time stamp scheme makes the digital watermarking more applicable.
引入这种新的时间戳方案的数字水印具有更强的实用性。
We can certify whether a document was created or signed before a given time with a digital time stamp.
人们可以利用安全数字时间戳来证明在某一给定的时间之前某一数字文档是否被创建或者签名。
PDF files to which a time-stamp or a digital signature is applied.
加有时间戳或数字签名的PDF文件。
The TV stations embed digital time stamp on the screen.
电视台会把数字时钟嵌入在屏幕上。
The time information which is included in digital signature can replace time stamp , therefore , it leaves out the uniform time stamp server that other PKI systems have to use .
同时由于签名中所含有的时间段信息，使每个证书都自动包含时间戳，省掉时间戳服务器，节省开销。
The time information which is included in digital signature can replace time stamp , therefore , it leaves out the uniform time stamp server that other PKI systems have to use .
同时由于签名中所含有的时间段信息，使每个证书都自动包含时间戳，省掉时间戳服务器，节省开销。
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