📅  最后修改于: 2022-03-11 14:50:04.005000             🧑  作者: Mango
-p Requests changing the passphrase of a private key file instead of
creating a new private key. The program will prompt for the file
containing the private key, for the old passphrase, and twice for
the new passphrase.
-f filename
Specifies the filename of the key file.