Ohhhh jeeee: no decrypt() for 17

David Shaw dshaw@jabberwocky.com
Fri Mar 21 23:24:02 2003


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On Wed, Mar 19, 2003 at 04:24:13PM -0000, Davage, Marcus wrote:

> gpg: Ohhhh jeeee: no decrypt() for 17
> secmem usage: 2016/2784 bytes in 4/7 blocks of pool 2784/16384
> Aborted (core dumped)
> 
> I searched the 'net and found this mailing list with the following text, but
> no resolution:
> 
> So it seems that someone managed to encrypt a message with your _signing_
> key. But as a signing key is not intended to be used for encryption gpg
> can't decrypt the message because there is no decrypt() for algorithm 17. 
> 
> Does anyone know how I can get out of this one?

The file was generated by an OpenPGP program with a bug.  Algorithm 17
is DSA, and you can't decrypt a DSA message, as it is a sign-only
algorithm.  There isn't much you can do except try and track down
which program encrypted it.  With luck, that program could decrypt it.

David
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