How to bypass Secure Download Manager while downloading from Dreamspark
About a month or so ago I had an urgent need to download a copy of Microsoft Windows from Dreamspark. Unfortunately I haven’t Windows installed then so had to do this using Linux. After successful...
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SDC file format description and security analysis of SDM
As promised in my previous post I’m publishing description of Microsoft’s SDC file format. At the beginning I’d like to explain what SDC file is. SDC is the abbreviation of Secure Download...
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Decoding Aztec code from polish vehicle registration certificate
About a year ago I interested in mysterious 2D code placed in my car’s registration certificate. After quick research on Google it turned out to be even more mysterious because nobody knew how to...
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SDC file format description – Errata
Last year, I published a program for Microsoft Dreamspark’s SDC file decryption. Soon after that I wrote article about SDC file format and its analysis. Now it’s time to complete the description with...
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HDCB – new way of analysing binary files under Linux
As any observer of my projects spotted, most of the biggest projects I do involves binary file analysis. Currently I am working on another one that requires such analysis. Unfortunately such analysis...
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Understanding JCOP: memory dump
Some time ago I was struggling with JCOP smart card. The one I received as it turned out was not pre-personalized, which means some interesting features (like setting encryption keys and PIN) was still...
View ArticleUnderstanding JCOP: pre-personalization
As I promised some time ago, now I am going to describe process of pre-personalization of a JCOP card. JCOP is one of the easier to get JavaCard-compatible cards. However they cost a bit. The problem...
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LKV373A HDMI to Ethernet converter: firmware image format
Recently, I bought LKV373A which is advertised as HDMI extender through Cat5e/Cat6 cable. In fact it is quite cheap HDMI to UDP converter. Unfortunately its inner workings are still more or less...
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