If the data files generated from trusted computers carry digital signatures
it would be more trustworthy. Otherwise, a person with proper knowledge can
still manipulate the data files, even if it is in binary. If the image
processing software routinely incorporate encrypted key information of the
original data to the final data files, then data from any computer can be
trusted. This would be best considering that in real life we often have to
combat the ice rings, splitting reflections, etc., at home.
For example, if the frames used for indexing the dataset are encrypted and
saved with or within the final data file as "proof of experiment", in a
universal format that can be used by the structure deposition servers to
verify the reported space group, resolution, and, to some degree, the
structure itself, it would probably serve the purpose.
Zhijie
--------------------------------------------------
From: "Chris Morris" <chris.mor...@stfc.ac.uk>
Sent: Friday, November 04, 2011 4:09 AM
To: <CCP4BB@JISCMAIL.AC.UK>
Subject: [ccp4bb] Archiving for fraud detection
One argument for archiving images has been that reprocessing could
demonstrate deliberately deceptive structures.
In fact, what is needed for this is not necessarily the image. It is the
last data file that was produced by a trusted computer. If the structure
depends on mtz files produced at the synchrotron, then it is sufficient to
authenticate the reduced data. The images are only needed for this purpose
if they have been reprocessed.
regards,
Chris
____________________________________________
Chris Morris
chris.mor...@stfc.ac.uk
Tel: +44 (0)1925 603689 Fax: +44 (0)1925 603634
Mobile: 07921-717915
Skype: chrishgmorris
http://pims.structuralbiology.eu/
http://www.citeulike.org/blog/chrishmorris
Daresbury Lab, Daresbury, Warrington, UK, WA4 4AD
