Intro
PGP (Pretty Good Privacy) Wiki
Commands
產生金鑰 – Generate public/private key
$ gpg --gen-key完整產生金鑰選項：
gpg --full-generate-key，含algorithm, key length, expired time
其中，Username與passphrase為必要。
列出金鑰 – List keys
$ gpg -k加密 – Encryption
$ gpg -ear {Key-Name} < plain.txt > plain.txt.asc其中
-a為輸出ASCII Armor格式，-r為指定Key的USER-ID
解密 – Decryption
$gpg -d < plain.txt.asc > plain.txt密文裡包含Key資訊，不需額外指定Private Key
匯出金鑰 – Export
匯出Public Key:
$ gpg --export -a "{User-ID}" > public-key.asc匯出Private Key:
$ gpg --export-secret-key -a "{User-ID}" > private-key.asc匯入金鑰 – Import
$ gpg --import key.asc刪除金鑰 – Delete
刪除Public Key:
$ gpg --delete-keys "{User-ID}"刪除Private Key:
$ gpg --delete-secret-keys "{User-ID}"