Cracking-Siri

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Files we used to reverse-engineer Siri

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최종 버전 다운로드 (.zip)

eventMachineGuzzoni.rb
ffmpeg_command.txt
fileCutter.rb
README.md
sampledec.c
sampleenc.c
Siri.old.inline.rb
Siri.old.rb
Siri.rb
Siri.txt
siriClient.inline.rb
siriClient.rb
siriDissector.rb
siriServer.old.rb
siriServer.rb
speexDec.m
speexenc.c
speexEnc.m
tcpProxy.rb
uncompressor.rb
zpipe.c

// repository documentation

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Here are the tools we wrote to reverse-engineer Siri.

The code is extremely dirty as it was written, erased, written again, and is a pure product of a trial-and-error process.
Anyway, here's a simple how-to if you want to have fun with it :

How to get the necessary bits
-----------------------------

- Generate a certificate authority
- Add it to your iPhone
- Sign a certificate for "guzzoni.apple.com" using that authority. This should produce the ".crt" and ".key" files your server will need.
- Setup a fake DNS server that resolves "guzzoni.apple.com" to your own machine, and configure your iPhone to use it.
- Start the "siriServer.rb" server. You will need some ruby gem installed. I have tested it only on Mac OS X 10.7.2 with Ruby 1.9.2.
- Make Siri dictation request, for example from the Notes.app application. On the server, this will dump all the "interesting" bits (X-Ace-Host identifier, sessionData and such).
- Use them to replace instances of "COMMENTED_OUT" in the code

How to do speech-to-text using a non-iPhone4S machine
-----------------------------------------------------

- Record your voice into whatever format you like
- Use ffmpeg to convert the sound to raw sound samples (see the text file for the exact command line). Name it "tentative.raw"
- Install the speex library and its header. On Mac OS X, "brew install speex" once you've setup Homebrew
- Compile the speexEnc.m file (gcc speexEnc.m -lspeex -framework Foundation -o speexEnc)
- Run ./speexEnc. It will produce a input.sif file with speex packets the Ruby script will be able to read
- Run the "Siri.old.inline.rb" script. Et voilà !

Cracking-Siri

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Cracking-Siri

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Download README