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How do I extend the expiration date on my GPG key?
Renewing an expired GPG subkey
- gpg –list-keys. this gives you a list of all the keys on your computer.
- gpg –edit-key [keyname]
- command> list. lists the available subkeys.
- command> key [subkey] choose the number of the subkey you want to edit; e.g. key 1.
- command> expire.
- command> save.
What happens when GPG key expires?
1 Answer. Yes*, you would still be able to get in. Expiring a key tells people not to use it anymore, but anything already encrypted with the public key can still be decrypted with the private key. A GPG key’s expiration can also be extended at any time unless it’s been revoked.
Should GPG key expire?
Most people set their GPG keys to never expire. There is no problem with that. Even if you lose the private key or forget the passphrase or even lose the revocation certificate too, a time will come that the public key will expire, which indicates that it is invalid and should not be trusted any more.
How do I remove expired GPG keys?
If you want to get rid of your old key:
- Find your key ID with gpg –list-keys and then use gpg –delete-secret-and-public-keys KEY_ID .
- Alternatively, in Thunderbird, go to menu “Enigmail” → “Key management”, right-click the expired key and choose “Delete key”.
What is key expiration?
When your key expires, it becomes invalid. This means: It can no longer be used to encrypt and decrypt messages. It cannot sign other keys or receive signatures from other keys.
Do public and private keys expire?
The RSA private/public key don’t have dates in them so they don’t expire. RSA Private/Public keys are used for asymmetric cryptography operations. X509 certificates uses a private key to “sign” the certificate so that the corresponding public key can be used to verify the data in the certificate hasn’t been modified.
What is the Gnupg command to generate a certificate revocation key?
Press [Y] and [Enter] to create a revocation certificate for the listed key.
Where are apt-key stored?
file /etc/apt/trusted
apt-key is a program that is used to manage a keyring of gpg keys for secure apt. The keyring is kept in the file /etc/apt/trusted.
What is the command line syntax to generate a revocation certificate?
Press [Y] and [Enter] to create a revocation certificate for the listed key. Next, you are asked to select the reason for revocation and provide an optional description. After confirming the reason, enter the passphrase you used to generate the key. Once your revocation certificate has been created (revoke.
Can a GPG key be set to never expire?
Most people set their GPG keys to never expire. There is no problem with that. Unless they lose the private key or it gets stolen or they just forget its passphrase.
How to renew an expired encryption subkey with gpg-Unix?
The subkey is the second one in the list that is named ssb $ gpg –edit-key AF4RGH94ADC84 gpg> list sec rsa2048/AF4RGH94ADC84 created: 2019-09-07 expires: 2020-11-15 usage: SC trust: ultimate validity: ultimate ssb rsa2048/56ABDJFDKFN created: 2019-09-07 expired: 2019-09-09 usage: E [ultimate] (1). Jill Doe (CX)
Is it possible to change the expiration date of a private key?
Theoritically speaking, the owner of an expired private key should still have the ability to decryptdata and also be able to signdata, even if all public subkeys of the current keypair have expired, since it is always possible to reset the expiration date on the currently expired public keys.
How do you select subkeys on GPG key?
It is possible to select the subkey you will be working on by invoking the keycommand followed by the number (index) of the subkey you wish to select. If no arguments or index ‘0’ is passed to the keycommand, any subkey is deselected and you will be working on the primary key.