[Cialug] dumb gpg question

[Barry Von Ahsen]

I suspected as much, but I wasn't sure if there was some trust backdoor 
that since I encrypted the file, I could still decrypt it.

Of course, that type of backdoor would make things like encrypted files 
and filesystems worthless against h4x0rs, FBI agents, and your other head

-barry


Nathan C. Smith wrote:
> I thought it was a one-way encryption.
> 
> -----Original Message-----
> From: Barry Von Ahsen [mailto:barry at vonahsen.com] 
> Sent: Thursday, July 21, 2005 3:18 PM
> To: Central Iowa Linux Group
> Subject: [Cialug] dumb gpg question
> 
> 
> 
> If I am encrypting data using someone else's public key, can I decrypt 
> the file with that same key?
> 
> the command used is:
> echo $data | gpg --armor --always-trust --batch --no-secmem-warning 
> --homedir '.$gnupghome .' --decrypt -u "' .$user .'" --recipient "' 
> .$recp .'"' >> $file
> 
> the original data is gone, and I just have a file with ascii-armored 
> gpg'd data
> 
> I am su'd to $user, $recp's pub key is in my keyring (from --list-keys) 
> and gpg --decrypt $file returns:
> gpg: encrypted with 1024-bit ELG-E key, ID ########
> gpg: decryption failed: secret key not available
> 
> -barry
> 
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