[Enigmail] MACGPG V2 (GNUPG 2) Removal problem with Enigmail

[Robert J. Hansen]

> OK I missed that all is well now. I needed to add idea cipher  
> support so
> that is why I rolled back to 1.4 and in the future I will try to build
> 2.x with idea, I just don't have the time right now to read the docs  
> and
> install it properly.

I'm assuming that you get traffic from PGP 2.6 users who are only able  
to use IDEA?  Because the alternative is ... well ... strange.

IDEA is not part of RFC4880 (the OpenPGP Standard).  The only time  
it's mentioned is for interoperability with the now-obsolete RFC1991  
(the ClassicPGP Standard).

If you have PGP 2.6 correspondents, then yes, you need IDEA support,  
and I hope you're gently prodding your correspondents to enter the  
21st Century.

If you don't, then no, you probably don't need IDEA support.

IDEA was considered an excellent algorithm in the late 1980s and early  
1990s.  It has not aged well; better-than-brute-force attacks exist  
against at least four and a half of its eight rounds.  Perhaps more --  
I haven't bothered following IDEA cryptanalysis for at least five  
years or more now.