Transfering data using audio signal in android
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Find out how to transfer data from Android using Audio. More details at http://sudarmuthu.com/blog/transferring-data-from-android-using-audio
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Imagine a world where software fuzzing, the process of mutating bytes in test seeds to uncover hidden and erroneous program behaviors, becomes faster and more effective. A lot depends on the initial seeds, which can significantly dictate the trajectory of a fuzzing campaign, particularly in terms of how long it takes to uncover interesting behaviour in your code. We introduce DIAR, a technique designed to speedup fuzzing campaigns by pinpointing and eliminating those uninteresting bytes in the seeds. Picture this: instead of wasting valuable resources on meaningless mutations in large, bloated seeds, DIAR removes the unnecessary bytes, streamlining the entire process.
In this work, we equipped AFL, a popular fuzzer, with DIAR and examined two critical Linux libraries -- Libxml's xmllint, a tool for parsing xml documents, and Binutil's readelf, an essential debugging and security analysis command-line tool used to display detailed information about ELF (Executable and Linkable Format). Our preliminary results show that AFL+DIAR does not only discover new paths more quickly but also achieves higher coverage overall. This work thus showcases how starting with lean and optimized seeds can lead to faster, more comprehensive fuzzing campaigns -- and DIAR helps you find such seeds.
- These are slides of the talk given at IEEE International Conference on Software Testing Verification and Validation Workshop, ICSTW 2022.
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GraphSummit Singapore | The Art of the Possible with Graph - Q2 2024
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Mind map of terminologies used in context of Generative AI
Mind map of common terms used in context of Generative AI.
みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
ここ3000字までしか入らないけどタイトルの方がたくさん文字入ると思います。
Climate Impact of Software Testing at Nordic Testing Days
My slides at Nordic Testing Days 6.6.2024
Climate impact / sustainability of software testing discussed on the talk. ICT and testing must carry their part of global responsibility to help with the climat warming. We can minimize the carbon footprint but we can also have a carbon handprint, a positive impact on the climate. Quality characteristics can be added with sustainability, and then measured continuously. Test environments can be used less, and in smaller scale and on demand. Test techniques can be used in optimizing or minimizing number of tests. Test automation can be used to speed up testing.
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Mind map of terminologies used in context of Generative AI
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
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Transfering data using audio signal in android
- 1. Transferring data using Audio signal in Android Sudar Muthu http://sudarmuthu.com http://twitter.com/sudarmuthu
- 2. Yes you heard it right It’s possible
- 3. Basic Idea In any data transmission system, data flows from Transmitter to Receiver Transmitter Receiver
- 4. Basic Idea Android Audio Player Plays audio and becomes Transmitter Plays audio Audio Player
- 5. Basic Idea Android Audio Recorder records audio and becomes the Receiver Receives Audio Audio Player
- 6. Basic Idea So now the data (audio) flows between Audio Player and Audio Recorder Audio Audio Player Audio Recorder Data
- 7. Data inside Audio Sound/Audio is Analog Your data is Digital (0 or 1) Data and Audio are combined using Frequency Shift keying (FSK) Android has a built in analog to digital Convertor
- 9. Code Sample – Audio Recorder
- 10. Code Sample – Audio Track
- 11. So why would anyone want to use it? Zero power transmission Less battery usage, when compared with WIFI or Bluetooth Can work with any audio device Very simple to plug into your phone
- 12. Commercial projects Process credit cards – http://propay.com Tata sky – Converts your mobile into a remote Audio cassette interfaces to mobile
- 13. Project Ideas Communication between multiple audio devices like your PC, iPod/iPad/iPhone Hide data inside an audio file Broadcast data as a music file. Imagine what happens if your radio station does that Hook up your Arduino and control robots (and that’s what got me interested in this ;) )
- 14. How to get started? Things you need Android Phone Audio cable (4 pole 3.5 mm) SoftModem – http://www.sparkfun.com/products/10331 Any additional device (another phone or even an Arduino)
- 15. Libraries/Projects to check out Androino - http://code.google.com/p/androino/ AndroinoTerminal - http://code.google.com/p/androino/wiki/AndroinoTer minal Arms22 - http://code.google.com/p/arms22/
- 16. Demo
- 17. Thank You Sudar Muthu http://sudarmuthu.com http://github.com/sudar http://twitter.com/sudarmuthu