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IDProjectCategoryView StatusLast Update
0000213fileGeneralpublic2021-03-28 19:03
ReporterMikhail.Kovalev Assigned Tochristos  
Status resolvedResolutionreopened 
Fixed in Version5.40 
Summary0000213: Chiasmus encrypted files (.xia)
DescriptionChiasmus ( is encryption software used by many public authorities in Germany. It would be great if file library could detect .xia files.
Additional InformationDetection should be easy: the first characters in the file are always "XIA". An example file is attached.
TagsNo tags attached.



2020-11-30 16:50


example.xia (338 bytes)


2020-12-17 00:04

manager   ~0003510

Added, thanks!


2021-03-25 11:43

reporter   ~0003574

I am really sorry, but this turned out to be a duplicate. Detection of Chiasmus files was already implemented in
So the newly added file should be removed.

The problem is that it's only the "textual description" which gets set if the file type is detected. But the MIME-type remains "application/octet-stream". Which indeed should be the case according to
However, in the past there were some attempts to introduce special MIME types for Chiasmus files, e.g. from
- application/x-chiasmus-key Chiasmus key
- application/x-chiasmus-encrypted Chiasmus encrypted data

Would it be possible to add such MIME types to the File library?


2021-03-28 19:03

manager   ~0003579

removed contents from crypto

Issue History

Date Modified Username Field Change
2020-11-30 14:52 Mikhail.Kovalev New Issue
2020-11-30 14:52 Mikhail.Kovalev File Added: test_file.xia
2020-11-30 16:50 Mikhail.Kovalev File Added: example.xia
2020-11-30 17:28 christos File Deleted: test_file.xia
2020-12-17 00:04 christos Assigned To => christos
2020-12-17 00:04 christos Status new => assigned
2020-12-17 00:04 christos Status assigned => resolved
2020-12-17 00:04 christos Resolution open => fixed
2020-12-17 00:04 christos Fixed in Version => 5.40
2020-12-17 00:04 christos Note Added: 0003510
2021-03-25 11:43 Mikhail.Kovalev Status resolved => feedback
2021-03-25 11:43 Mikhail.Kovalev Resolution fixed => reopened
2021-03-25 11:43 Mikhail.Kovalev Note Added: 0003574
2021-03-28 19:03 christos Status feedback => resolved
2021-03-28 19:03 christos Note Added: 0003579