Extending expiration date and SSH

[Damien Goutte-Gattat]

Hi,

On 09/18/2017 12:38 PM, Marko Božiković wrote:
> Will that change the SSH public key (as it is exported using ssh-add -L for
> adding to .ssh/authorized_keys)?

No. The expiration date of the subkey is not part of the key material 
itself, it is stored in the subkey binding signature. A modification of 
the expiration date has no effect on the public key as seen by SSH.


Damien

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