How to decide which private key to use??

Ramon F Herrera ramon at
Mon Dec 6 02:16:31 CET 2004

I am using the GPGme library to write a program that will
decrypt many files prorgamatically.  The files to be decrypted
have been encrypted with exactly one out of three keys.

When I decrypt those files interactively, gpg shows me what
key(s) was used and I type the passphrase corresponding to that
particular key.  The problem is, I am not sure how to replicate
that behavior within a program:

  - should I keep on trying our 3 corporate private keys
    (passphrases) until one of them works? (trial and error)


  - is there any way to request the key from the file,
    in advance, and use the corresponding passphrase?


-Ramon F Herrera

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