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

[Robert J. Hansen]

> 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.

Update: according to Wikipedia, the numbers are now up to six of eight  
rounds are broken.

This just goes to show the truth of the old saw: attacks only get  
better over time.