From: Daniel Frank <ruby-talk-2597@...>
Date: 2010-01-17T21:40:07+09:00
Subject: Re: GPGME gem - cannot figure out how to decrypt data

Am 17.01.2010 13:24, schrieb Daiki Ueno:
> Daniel Frank<ruby-talk-2597@danielfrank.net>  writes:
>
>> I'm pretty new to ruby and this is my first real program I'm writing.
>> Currently I face an issue with the GPGME gem that I cannot figure out
>> how to solve: The GPGME::decrypt method does not seem to work as I
>> expect it, after reading the documentation.
>
> First of all, what version of GnuPG are you using?  Since GPGME (C
> library) uses the gpg command internally, that information would be
> helpful to debug.
>
> Try:
>
> gpg --version
 >
$ gpg --version
gpg (GnuPG) 1.4.10
...

>
>> In fact the program seems to hang somewhere during the decryption. My
>> guess is that something is wrong with my passphrase callback method,
>> but I cannot figure out how this needs to be done, as the examples for
>> the gem does not contain a decryption example, only a signing example
>> from which I have copied the passphrase callback method, but the
>> method does not seem to work, as the callback method seems to be
>> called with no arguments.
>
> Could you provide actual input args to passfunc, that can be inspected
> with:
>
def passfunc(*args)
         p args
         puts "Passphrase callback"
         SMGConfig.instance.gpg_password
end

Relevant part of the output:
decrypting
[]
Passphrase callback

If I interpret this right, [] means that there's an empty array, which 
means no arguments?

Regards,
Daniel