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On Tuesday 29 May 2001 07:18, Aaron Guy Davies said:
> On Mon, 28 May 2001, Aaron P Ingebrigtsen wrote:
> > On Sat, 26 May 2001 14:05:40 -0400 (EDT) Aaron Guy Davies
> >
> > <[EMAIL PROTECTED]> writes:
> > > You obviously still don't understand PGP. Please go read the manual.
> >
> > I understand PGP pretty well, it is the GnuPG program I don't understand.
> >
> > The files I was talking about were generated by PGP, not made up by my
> > imagination. Also, I figured out that .sig files are detached signatures
> > and require the file to which they were signed in order for them to
> > decrypt properly or whatever. So if you don't have krepat.txt which
> > contains only the text "hello" then you would get some kind of error.
> > The .asc file though is the text file AND signature, which is really what
> > I wanted in the first place. :)
>
> The point is that PGP *signatures* have nothing to do with encryption, and
> are only useful in conjunction with the document they were generated from.
> A signature is basically a secure hash of the document it signs, verifying
> that the document has not been changed since it was signed.
<>
IIRC, a signature is a hash of the document, then encrypted by the private
key, which can then be decrypted by the public key. Normaly, you would
encrypt with the public and decrypt with the private. So, yes, it does do
encryption. It's just not of a kind which is useful for hiding information
from those that aren't supposed to have it.
- --
Timm Murray
. . . example of a mobious. This sentance is an example of a mobious. This
sentance is an . . .
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