getting an encrypted file to show what public key was used

[Robert J. Hansen]

On 5/29/12 9:45 AM, Steven Lefevre wrote:
> gpg: encrypted with 2048-bit ELG-E key, ID F1940956, created 2002-04-25
>       "Different Public Key <another_key at another_company.com>"
> gpg: decryption failed: secret key not available

Oh, cute.  A short ID collision.  :)  Quaero Corporation's, apparently.

Short answer: try using gpg -vvvv sensitive-file.gpg.  This will give
you a large amount of detailed information that might be useful for your
debugging.