Question about history of hash and cipher collections

[Jorgen Christiansen Lysdal]

Werner Koch wrote:
> Meanwhile it had turned out the the
> preference system works quite well ...)
> 

Which leads me to a question. Since I don't like that gpg falls back to 
3DES, if a cipher cannot be agreed opon. Would it be possible to change 
it to AES256 or something, in a relative easy way? Maybe a small change 
to source, and building myself? (BTW, thanks for gpg4win making it easy)