====== GNUpg ======

===== Cambio de vencimiento =====

Buscar llave a modificar:

   $ gpg --list-keys liquidat@example.com
     pub   2048R/ABCDEF12 2012-09-10 [expires: 2032-09-10]
     uid                  liquidat <liquidat@example.com>
     sub   2048R/BCDEF123 2012-09-10 [expires: 2032-09-10]]

Editar llave y modificar:

   $ gpg --edit-key ABCDEF12
     gpg (GnuPG) 1.4.12; Copyright (C) 2012 Free Software Foundation, Inc.
     This is free software: you are free to change and redistribute it.
     There is NO WARRANTY, to the extent permitted by law.
   
     Secret key is available.
   
     pub  2048R/ABCDEF12  created: 2012-09-10  expires: 2013-09-10  usage: SC
                          trust: ultimate      validity: ultimate
     sub  2048R/BCDEF123  created: 2012-09-10  expires: 2013-09-10  usage: E
     [ultimate] (1). liquidat <liquidat@example.com>
   
     gpg> expire
     Changing expiration time for the primary key.
     Please specify how long the key should be valid.
              0 = key does not expire
           <n>  = key expires in n days
           <n>w = key expires in n weeks
           <n>m = key expires in n months
           <n>y = key expires in n years
     Key is valid for? (0) 3y
     Key expires at Fri May  6 15:45:42 2016 CEST
     Is this correct? (y/N) y
   
     You need a passphrase to unlock the secret key for
     user: "liquidat <liquidat@example.com>"
     2048-bit RSA key, ID ABCDEF12, created 2012-09-10
   
     gpg> list
     pub  2048R/ABCDEF12  created: 2012-09-10  expires: 2016-09-10  usage: SC
                          trust: ultimate      validity: ultimate
     sub  2048R/BCDEF123  created: 2012-09-10  expires: 2013-09-10  usage: E
     [ultimate] (1). liquidat <liquidat@example.com>
   
     gpg> key 1
     pub  2048R/ABCDEF12  created: 2012-09-10  expires: 2016-09-10  usage: SC
                          trust: ultimate      validity: ultimate
     sub*  2048R/BCDEF123  created: 2012-09-10  expires: 2013-09-10  usage: E
     [ultimate] (1). liquidat <liquidat@example.com>
   
     gpg> expire
   
     Changing expiration time for a subkey.
     Please specify how long the key should be valid.
              0 = key does not expire
           <n>  = key expires in n days
           <n>w = key expires in n weeks
           <n>m = key expires in n months
           <n>y = key expires in n years
     Key is valid for? (0) 3y
     Key expires at Fri May  6 15:45:42 2016 CEST
     Is this correct? (y/N) y
   
     You need a passphrase to unlock the secret key for
     user: "liquidat <liquidat@example.com>"
     2048-bit RSA key, ID BCDEF123, created 2012-09-10
   
     gpg> list
     pub  2048R/ABCDEF12  created: 2012-09-10  expires: 2016-09-10  usage: SC
                          trust: ultimate      validity: ultimate
     sub  2048R/BCDEF123  created: 2012-09-10  expires: 2016-09-10  usage: E
     [ultimate] (1). liquidat <liquidat@example.com>
   
     gpg> save


Subir al keyserver:

   $ gpg --keyserver pgp.mit.edu --send-keys ABCDEF12
   gpg: sending key ABCDEF12 to hkp server pgp.mit.edu


  * Ref [[https://liquidat.wordpress.com/2013/05/07/howto-changing-the-expiry-date-of-gpg-keys/|How changing the expiry date of gpg keys]]