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Monthly Archives: October 2012
Reverse-engineering the KaraFun file format. Part 4, the encryption
So far all the files we have seen were not encrypted. However some users pointed out there are KFN files which are encrypted. While the encrypted files were still analysed and dumped properly, the output files were encrypted and hence unusable. But the users also confirmed that KaraFun player plays those files just fine, and does […]
Reverse-engineering the KaraFun file format. Part 3, the Song.ini file
This is quite simple. We look at the song.ini file and it is obvious immediately where the text and the timing information is as those are the only lines with enough numbers.
Reverse-engineering the KaraFun file format. Part 2, the directory
In the first part we found out the header format, and that it does not provide us with the directory location. However we know there must be a directory, as the KaraFun application must know where exactly in a file the files are stored, and how large are they. At minimum there should be the directory […]
android, reverse engineering Comments Off on Reverse-engineering the KaraFun file format. Part 2, the directory
Reverse-engineering the KaraFun file format. Part 1, the header
Several of our users have expressed disappointment that our Ulduzsoft Karaoke Player for Android does not support the popular KaraFun Karaoke format. This format seem to be very popular in some countries, and unfortunately there seem to be no player on Android capable of playing those files. Even the KaraFun Android application does not play those files […]
Ulduzsoft Karaoke Player for Android is out of Beta now!
Today we released Ulduzsoft Karaoke Player for Android version 1.12. It has been a beta for close to nine months, and it is labor time. The application seem to be well-received, with a competitive functionality and the most bugs seem to be fixed. We had a long discussion about the app monetization and decided to […]