doesn't need digital signature, only needs a md5sum.
所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl
送交者: steven 于 2005-4-25, 17:45:16:
回答: 能不能把这两张照片数字签名一下,加个时间戳? 由 bingo 于 2005-4-25, 15:14:09:
所有跟贴:
加跟贴
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