twofish keysize

Werner Koch wk at
Tue Apr 27 11:30:32 CEST 2004

On Thu, 22 Apr 2004 00:28:47 +0200, Malte Gell said:

> Would it be much hassle to introduce 2Fish-128,196,256, just according 
> to AES-128,196,256 to adress this? Since many encryption keys are 

It is not possible because OpenPGP does only specify Twofish 256.

> situation, on the other hand PGP/GnuPG amply uses system's entropy for 
> AES-256/Twofish(256)...(sorry for key length discussion now on the 
> symm. side,I'll immediately duck and cover;-)

Ask the folks over at NAI (most likely the marketing dept.) why they
used the 256 bit version of Twofish.



More information about the Gnupg-users mailing list