http://danielas3rtn54uwmofdo3x2bsdifr47huasnmbgqzfrec5ubupvtpid.onion/faq.php?lang=zh-Hans
PGP is an encryption program, that can be used to encrypt or sign emails and files. More info in this Wikipedia article . 我有一个能让你的网站变得更好的主意,你能不能添加这个功能? Yes, please contact me and I may add it on my ToDo list. It might take a while until your feature gets added though.