Re: Outstanding question - rule on cleartext signing last line

[Ben Laurie <ben@xxxxxxxxxxxxx>]

Daniel A. Nagy wrote:
> On Mon, Dec 26, 2005 at 12:29:15PM +0000, Ben Laurie wrote:
>> David Shaw wrote:
>>> On Thu, Dec 08, 2005 at 01:23:01PM +0100, Werner Koch wrote:
>>>> On Thu, 08 Dec 2005 11:43:48 +0000, Ian G said:
>>>>
>>>>> But I think we need to hear from the PGP Inc and GPG
>>>>> architects on this?
>>>> I recall that we tweaked gpg's behaviour in this regard until all
>>>> users were satisfied.  Thus I'd say not to add new requirement to the
>>>> specs.
>>> I agree.  I think the spec is just fine in this regard: the final CRLF
>>> (the one before the "-----BEGIN PGP SIGNATURE-----") is not part of
>>> the signature.  That allows for the GPG behavior to preserve the
>>> presence or lack of line ending on the last line.
>> However, it doesn't. This strikes me as a bug both in GPG and in the spec.
> 
> Yes it does. GPG behaves slightly differently with messages entered from the
> console, but that makes a lot of sense, too. I don't see any bugs in either
> the specs and GPG. I have coded up my own OpenPGP implementation based on
> the spec (http://pgp.epointsystem.org/tool) and it interoperates perfectly
> with GPG.

I have just tested GPG yet again, and cleartext signatures of two files,
one without a newline at the end, and one with, look identical:

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

test
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.2 (FreeBSD)

Cheers,

Ben.

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