GPG Change Passphrase Secret Key Password Command

To change the passphrase of a GPG secret key, you can use the gpg --edit-key command followed by the key ID and then the passwd subcommand. The process will prompt you to enter the current passphrase and then to enter the new passphrase twice for confirmation. Here’s an example:

gpg --edit-key [KEY_ID]
gpg> passwd
Enter the current passphrase.
Enter the new passphrase.
Repeat the new passphrase.
gpg> save

In the above example, replace [KEY_ID] with the identifier of the secret key you want to change the passphrase for.

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