On Fri 2016-10-14 19:16:45 -0400, Andrew Gallagher wrote: > my understanding is that a copy of some public key information (such > as expiry dates) is kept in the corresponding secret key store, and > this will be updated when the public key is edited.
This is exactly correct. see: https://tools.ietf.org/html/rfc4880#section-5.5.3 The Secret-Key and Secret-Subkey packets contain all the data of the Public-Key and Public-Subkey packets, with additional algorithm- specific secret-key data appended, usually in encrypted form. Regards, --dkg
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