emf_decrypter fails to decrypt entire raw image

[GoogleCodeExporter]

What steps will reproduce the problem?
1. create dd image of phone
2. generate device keys and store in same folder as dd image
3. ./emf_decrypter dd_image

What is the expected output? 
Not Sure.

What do you see instead?

Decrypting VolcanicPercolatorDaySpa.resrc
Decrypting VolcanicPercolatorDaySpa.scene
Decrypting main_l.png
Decrypting main_r.png
Decrypting miniPipeBg.png
Decrypting mixer.png
Decrypting pipe.png
Decrypting prettyFlower.png
Decrypting weed.png
Decrypting WaterLock.level
Decrypting WaterLock.resrc
Decrypting WaterLock.scene
Decrypting fakewater.png
Decrypting main.png
Decrypting mombb.png
Decrypting pipe.png
Decrypting WeatherVane.level
Decrypting WeatherVane.resrc
Decrypting WeatherVane.scene
Decrypting bg.png
Decrypting main.png
Decrypting vaneMain.png
BTree inconsistent!


What version of the product are you using? 
latest svn

On what operating system?
OSX 10.6.7

Please provide any additional information below.

emf_decrypter decrypted roughly 1000 files then halted with error 
"BTree inconsistent!"

Original issue reported on code.google.com by bl...@freenode-windows.org on 5 Jul 2011 at 2:23