[CentOS] gpg can't decrypt message

[Nicolas Thierry-Mieg]

On 10/01/2014 04:58 PM, Tim Dunphy wrote:
> Hey guys,
>
>
>   Having a little gpg issue I was wondering if someone could help me with.
>
>   A friend of mine sent me an encrypted message. So I searched online and
> found a a set of keys that correspond with his email address. And imported
> them. But when I go to decrypt the message, this is what I get:
>
> [root at ops:~] #gpg --decrypt roger-message
> gpg: encrypted with 2048-bit RSA key, ID 9617EA5C, created 2014-10-01
>        "Roger Sherman <rsherman at viddler.com>"
> *gpg: encrypted with RSA key, ID 9A41C766*
> *gpg: decryption failed: secret key not available*
>
<snip>
> So maybe I just didn't import the right key? Or do you think the message
> wasn't sent correctly? Who's the dummy here? Me or him? :)

looks like he encrypted with HIS public key. So you need his private key 
to decrypt, obviously you don't have that.
I believe it's the other way around: he should encrpyt with your public 
key, then you are the only person capable of decrypting (with your 
private key).