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Blackberry jpg format

Discussion of forensic issues related to all types of mobile phones and underlying technologies (GSM, GPRS, UMTS/3G, HSDPA, LTE, Bluetooth etc.)
Subforums: Mobile Telephone Case Law
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billard
Member
 

Blackberry jpg format

Post Posted: Apr 20, 09 19:55

Dear all,

I'm investigating a Blackberry 9000. Some files, suffixed JPG, are present in its internal memory. However, the files are not traditional JPG images, and there is no distinguishable headers.

I tried to read them via the Blackberry simulator, but to no avail: the simulator does not recognize them.

I managed to find deleted (traditional) jpg images with X-Ways, so I guess that the Blackberry understands common JPG.

Is anybody familiar with the JPG format of blackberry? Is there an encryption/decryption mechanism used by blackberry when it saves and reads pictures?

Thanks for any comment or lead.

Take care,

David.  
 
  

AlexC
Senior Member
 

Re: Blackberry jpg format

Post Posted: Apr 24, 09 14:53

These "odd" Jpegs - were they live files?  
 
  

douglasbrush
Senior Member
 

Re: Blackberry jpg format

Post Posted: Apr 24, 09 17:32

 
  

mscotgrove
Senior Member
 

Re: Blackberry jpg format

Post Posted: Apr 25, 09 19:23

Can you display the first 100 or so bytes of the file - as long as this does not contradict any issues on confidentiallity.

It is just possible someone may recognise the format.  
 

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