Hi Scott.
The repository and a copy of my home was corrupted, that's why I think these files maybe are the gnupg keys.
address@hidden:~/PhotoRec.by_ext/gpg$ file *
f152191232.gpg: GPG symmetrically encrypted data (CAST5 cipher)
f201344080.gpg: DOS executable (COM)
f213958976.gpg: DOS executable (COM)
f222325680.gpg: DOS executable (COM)
f226545616.gpg: DOS executable (COM)
f230699744.gpg: DOS executable (COM)
f234934992.gpg: DOS executable (COM)
f239089168.gpg: DOS executable (COM)
f239140464.gpg: DOS executable (COM)
f243320768.gpg: DOS executable (COM)
f272680000.gpg: DOS executable (COM)
f289434688.gpg: DOS executable (COM)
f301362240.gpg: GPG symmetrically encrypted data (CAST5 cipher)
f511707136.gpg: GPG symmetrically encrypted data (CAST5 cipher)
f765916320.gpg: GPG key public ring
f766393168.gpg: GPG key public ring
f780998544.gpg: GPG key public ring
f781001568.gpg: GPG key public ring
f917996144.gpg: data
f917996208.gpg: data
f917996224.gpg: data
f966395616.gpg: data
f966395632.gpg: data
What I have to do? Copy one of "GPG key public ring" file to ~/.gnupg/pubring.gpg, another to ~/.gnupg/secring.gpg and try to decrypt some file? I'm stuck in this.