Hugo • 7/13/2023

Extending an expired GPG key

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This article details the process of renewing an expired GPG key, comparing three approaches: generating a new key pair, updating the primary key and generating new subkeys, or simply extending the expiration of the existing key and subkeys. It provides step-by-step command-line instructions for the latter method, which is ideal for hardware-backed keys like Yubikey, and includes commands for updating keys and pushing them to public servers.

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#security #cryptography #Yubikey
Extending an expired GPG key

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