256 Bit Key

Werner Koch wk at gnupg.org
Fri Jul 2 13:26:28 CEST 2004

On Wed, 26 May 2004 22:37:55 -0400, Dave Sorg said:

> If I use GPG (or PGP) to symetrically encrypt a file using the Twofish
> algorithm, does it use a 256 bit key? I believe I gave it 256 bits of
> latency. Also, are the ciphers used in CBC mode? If so, how many
> blocks are chained together?

Yes, OpenPGP defines the use of the 256 bit Twofish variant.

I don't know what you mean by latency in this context.

OpenPGP uses CFB.  With CBC obviously all blocks are chained together.



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