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-# Steganography
-
-
-## Images
-
-- Adding two images
-- xor_bytes
-- color crypto
-
-![](http://i.imgur.com/5IBxKbF.png)
-
-___
-
-## Command Line:
-
-- Pull out the audio with ffmpeg:
-
-```
-$ ffmpeg -i windows.mp4 windows.wav
-```
-
-
-- Make a gif from video using [ffmpeg](https://www.ffmpeg.org/download.html)
-
-```sh
-$ ffmpeg -i windows.mp4 windows.gif
-```
-
-- Online tool for images: 
-	* [utilitymill](http://utilitymill.com/utility/Steganography_Decode)
-	* [pngcheck](http://www.libpng.org/pub/png/apps/pngcheck.html)
-	* [Paranoid.jar](https://ccrma.stanford.edu/~eberdahl/Projects/Paranoia/)
-
-
-____
-
-### Metadata
-
-
-[Image metadata](http://regex.info/exif.cgi)
-
-- To find information inside a picture, we can use package [pnginfo] or [pngcheck].
-
-- If we need [base64 decoding] (for example a PGP key with a picture).
-
-- Weird pieces of bytes may need to be XORed.
-
-- If we have a decrypted message and a key:
-    1. Import the private key to use it to decrypt the message with ```gpg --allow-secret-key-import --import private.key```
-    2. Decrypt with ```gpg --decrypt message.pgp```.
-
-- [ExifTool](http://www.sno.phy.queensu.ca/~phil/exiftool/index.html)
-
-
-
-
-
-
-
-
-[Bacon's cipher]:http://en.wikipedia.org/wiki/Bacon's_ciphe
-[Carpenter's Formula]:http://security.cs.pub.ro/hexcellents/wiki/writeups/asis_rsang
-[pngcheck]: http://www.libpng.org/pub/png/apps/pngcheck.html
-[karmadecay]: http://karmadecay.com/
-[tineye]:  https://www.tineye.com/
-[images.google.com]: https://images.google.com/?gws_rd=ssl
-[base64 decoding]: http://www.motobit.com/util/base64-decoder-encoder.asp
-[subbrute.py]: https://github.com/SparkleHearts/subbrute
-[pnginfo]: http://www.stillhq.com/pngtools/
-[namechk]: http://namechk.com
-