GPG

GNU Privacy Guard

什么是 GPG 首先得搞清楚一个和它很像的东西：PGP (Pretty Good Privacy)，这是一个非对称加密协议，可惜它本身是商业软件。于是万能的开源社区搞出了一个遵循此标准的免费实现：GPG (Gnu PG)

‘Debian – Apt-get, NO_PUBKEY / GPG error’

The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 010908312D230C5F

sudo apt-key adv –keyserver keyserver.ubuntu.com –recv-keys 3C962022012520A0

Simply type the following commands, taking care to replace the number of the key that displayed in the error message:

gpg -keyserver pgpkeys.mit.edu -recv-key 010908312D230C5F

gpg -a -export 010908312D230C5F | sudo apt-key add -

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gpg --gen-key
gpg --list-keys