AES cipher support 1.0.6 and 1.0.7

[David Shaw]

On Tue, Apr 20, 2004 at 01:45:59PM -0400, Hasnain Mujtaba wrote:
> Hi, 
> 
> I encrypted a 2GB file using a DH/DSS 2048/1024 (AES-128) keypair using
> a third party tool.
> 
> I gave the encrypted file to GPG 1.0.6 but it failed to decrypt the
> message with the following reason:
> 
> gpg: protection algorithm 254 is not supported
> gpg: encrypted with 2048-bit ELG-E key, ID 3F29C018, created 2004-04-16
>       "GPG-DH-2048 <gpgDH2048 at f.com>"
> gpg: public key decryption failed: unknown cipher algorithm
> gpg: decryption failed: secret key not available
> 
> Then I gave the encrypted file to GPG 1.0.7 and the decryption
> succeeded.
> 
> I'm wondering if this is due to AES support, or lack of, in the two
> versions.

No.  It's due to the new secret key format in 1.0.7 and later.

David