Hi all,
We're using GnuPG to both create an asynchronous key pair, the
public key of which we provide to clients, and to decrypt the files encrypted
with that certificate after its been transfered. One particular client is
uploading files which return an "Invalid Marker Packet" error when I try to
decrypt them.
I've tried installing the newest versions of gpg, but it doesn't matter whether
I'm using 1.4.9 or 2.0.12, I get an "invalid marker packet" error.
I've opened up an older upload which I was able to decrypt and the most recent
upload in a hex editor and can see that the bytes following the PGP in the
marker packet are different,
i.e. the one in the old file is 50 47 50 c1 c0 4c which reads as P G P 193 192
76 or PGP 12697676 or PGPÁÀL
While the one in the new file is 50 47 50 C1 C1 4E which reads as P G P 193
193 78 or PGP 12697934 or PGPÁÁN
I figure the client is using PGP software (hence the marker packet) and may
have upgraded their software since the last successfully decrypted upload, but
I thought they could put anything they wanted in the marker packet and gpg
would be fine...
Has anyone else seen this and know of a way past it?
~Michael
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