Checksum in Secret Key Packet

David Shaw dshaw at
Tue Jun 15 23:57:20 CEST 2004

On Tue, Jun 15, 2004 at 05:35:39PM -0400, Hasnain Mujtaba wrote:
> Hi All,
> A question about the checksum field in RSA Secret Key Packets. GPG107
> RSA secret key packets contain a checksum field. Whereas GPG124 RSA
> secret key packets do not have the checksum field.  Why this omission? 
> I am trying to load some old GPG107 RSA 2048 keypairs into my Cryptix
> keyrings and the checksum validation is failing.  But GPG124 RSA
> keypairs, because they don't have the checksum, are loading fine. 
> Seems like the RSA secret key packet structure has changed considerably
> between GPG107 and GPG124. 

No, they're the same.  You might have turned the checksum off when you
generated the 1.2.4 key, but that's something you did, not a change in


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