Problem verifying GPG signatures with PGP

Ed Suominen ed@eepatents.com
Sat, 19 Aug 2000 21:39:22 -0700


I'd like to use the Win 98 build of GPG in a digital signature application, 
and I'd like the digital signatures to be verifiable using either GPG or 
PGP. So far, I've been able to import and export my public key from GPG to 
PGP version 6.5.3. I've also been able to use GPG to verify signatures 
generated with PGP. But I can't seem to use PGP to verify signatures 
generated with GPG.

Below my "signature" is a test message signed with both programs and the 
result when I attempt verification with both programs. At the very end of 
this message are the PGP and GPG public keys, respectively, I used to 
generate the signatures.

If anyone could play around with this and let me know what's going on, I'd 
appreciate it. GPG seems like a great little program and a great 
alternative to the increasingly commercialized PGP, and I'd like to be able 
to use it.

I don't subscribe to this list, so please copy me on any replies. Thanks!

PS -- Mark your calendars, the RSA patent expires one month from tomorrow 
(Sept. 20, 2000). You can view the patent at http://viewpatent.com/?4405829.

Ed Suominen
Registered Patent Agent
Web Site: http://eepatents.com
PGP Public Key: http://eepatents.com/key

PART 1 OF 2
 >>> Text signed with GPG 1.0.2:
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Line 1: This is the first line of a test message.
Line 2: This is the last line. EOF immediately after period.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.2 (MingW32)
Comment: For info see http://www.gnupg.org

iEYEARECAAYFAjmfVvsACgkQukc6rkBNtm36HQCfab0qSjpE/oweCA992hbDdaR2
1TcAoI9vmUk5+7EtIsyIFkmFkPHYejOc
=T8Qn
-----END PGP SIGNATURE-----

 >>> Verified with PGP 6.5.3:
*** PGP Signature Status: bad
*** Signer: Edwin A. Suominen (GPG Key) <ed@eepatents.com>
*** Signed: 8/19/00 8:56:43 PM
*** Verified: 8/19/00 8:57:32 PM
*** BEGIN PGP VERIFIED MESSAGE ***

Line 1: This is the first line of a test message.
Line 2: This is the last line. EOF immediately after period.

*** END PGP VERIFIED MESSAGE ***

 >>> Verified with GPG:
C:\gnupg>gpg --verify test.asc
gpg: Please note that you don't have secure memory on this system
gpg: Signature made 08/19/00 20:56:43  using DSA key ID 404DB66D
gpg: Good signature from "Edwin A. Suominen (GPG Key) <ed@eepatents.com>"

PART 2 OF 2
 >>> Text signed with PGP 6.5.3:
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Line 1: This is the first line of a test message.
Line 2: This is the last line. EOF immediately after period.

-----BEGIN PGP SIGNATURE-----
Version: PGP Personal Privacy 6.5.3

iQA/AwUBOZ9XzKmKuMvNCWDGEQJxMACgpkYa9opV4q1VU159+qI6ZQeDyGgAoMVF
n61xpBvSfIC7ds1536rcc8TQ
=+Tit
-----END PGP SIGNATURE-----

 >>> Verified with PGP 6.5.3:
*** PGP Signature Status: good
*** Signer: Edwin A. Suominen <ed@eepatents.com>
*** Signed: 8/19/00 9:00:12 PM
*** Verified: 8/19/00 9:05:45 PM
*** BEGIN PGP VERIFIED MESSAGE ***

Line 1: This is the first line of a test message.
Line 2: This is the last line. EOF immediately after period.


*** END PGP VERIFIED MESSAGE ***

 >>> Verified with GPG:
C:\gnupg>gpg --verify test2.asc
gpg: Please note that you don't have secure memory on this system
gpg: Signature made 08/19/00 21:00:12  using DSA key ID CD0960C6
gpg: Good signature from "Edwin A. Suominen <ed@eepatents.com>"
Could not find a valid trust path to the key.  Let's see whether we
can assign some missing owner trust values.

No path leading to one of our keys found.

gpg: WARNING: This key is not certified with a trusted signature!
gpg:          There is no indication that the signature belongs to the owner.
gpg: Fingerprint: D575 937A 78A0 9554 3F50  30E3 A98A B8CB CD09 60C6

-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: PGP Personal Privacy 6.5.3

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gPdvwjgUHkqWRPW1c567zFAfdQ==
=g6IZ
-----END PGP PUBLIC KEY BLOCK-----

-----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.0.2 (MingW32) 
Comment: For info see 
http://www.gnupg.org 
mQGiBDmWNB0RBADssZQZJlOCCq5XYkf0GaQhrqG4sdsecj2XMG7Xk//KD8HvPxPQ 
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=LrMl -----END PGP PUBLIC KEY BLOCK----- 

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