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BoarderZone ASNalyzer 0.21.832
this is a simple application to analyze the contents of arbitrary ASN.1 files encoded in a BER derived format (e.g. BER itself or CER and DER).

as the application makes no use of ASN.1 syntax definitions (not yet supported), even data of completely unknown formats can be analyzed, though requiring expert knowledge of ASN.1.

the following screenshots show the user interface with an opened file which represents an X.509 certificate. they show drilling down into the nested structure and re-interpreting an element of unknown nature:

this is open source software, released under the GNU Public License (GPL), Version 2. the full source code is available from the project website.

for further information about purpose, requirements, installation and more, please refer to the full online documentation of the application and the viewer.