How to decide which private key to use?

Ramon F Herrera ramon at jonjay.com
Sat Dec 4 19:31:43 CET 2004


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

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

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

or:

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

TIA,

-Ramon F Herrera








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