Comparison of GnuPG & NAI/PGP features.

L. Sassaman
Sat, 8 Jan 2000 02:49:24 -0500 (EST)

Hash: SHA1

On Fri, 7 Jan 2000, Werner Koch wrote:

> On Fri, 7 Jan 2000, Simpson, Sam wrote:
> > I note that the GnuPG web page says: "Better functionality than
> > PGP and some security enhancements.". Apart from more algorithms
> > & better ability to select algorithms, what does this mean????
> * You have the real source code and everone is able to build the
> executable from this source. I am not sure whether you can do
> this with the PGP books and noone can be sure that these books
> reflect the actual PGP executables delivered by NAI.
> * Stores secret keys in a memory area which will not be swapped
> out to the disk.
> * All operations involving confidential material (session keys, some
> hashs, secret keys, intermediate results) are althoug done in this
> memory area.
> * It can use ElGamal for signing by creating all ElGamal keys in a
> secure way. Uses this algorith even for DSA keys, just in case.
> I think PGP now uses the same Lim-Lee algorithm now and I am not
> sure whether this is at all an advantage.
> * It never uses any temporary files.
> * Has quite a lot of features you expect from a Unix tool.
> > I have constructed a (very) small table to compare the algorithms
> > available, it's at:
> Please get this Skipjack out of the list. It whish I never wrote this
> module - it used to be just an experiment.
Not that I use it, but what exactly is wrong with it? Has there been a successful cryptanalysis, or are you just wary of anything NSA?
> As I only have this 6.5.1 pgp here and it even refuses to create keys
> with a message saying it can't open the keyrings (although strace show
> that it indeed opens them), I don't know what this SHA-1x is.
> --
> Werner Koch at keyid 621CC013
> Boycott Amazon! -
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