Difference between pages "Residual Data" and "GBDE"

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Residual Data is data that is unintentionally left behind on computer media. In forensic usage, remnant data is typically left behind after attempts have been made to delete the data, after the data has been forgotten, or after the media on which the data resides has been decomissioned.
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'''GBDE''' - GEOM Based Disk Encryption - is a [[FreeBSD]] block device-layer disk encryption that uses 128-bit [[AES]] designed and implemented by Poul-Henning Kamp and Network Associates Inc.
  
Residual data appears at all levels of modern computer systems:
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A more efficient implementation of [[FreeBSD]] [[GEOM]] based Disk Encryption - [[GELI]] was later written later by Pawel Jakub Dawidek.
* Computer systems that are discarded.
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* Partitions in hard drives that are deleted.
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* Files on hard drives that are deleted but not overwritten.
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* Snippets of text in Microsoft Word files.
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* Heap variables that are freed with '''free()'''
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* Automatic variables left on the stack of languages like C or garbage collected in languages like Java.
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=Papers=
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== External Links ==
Byers, Simon. [[Media:Scalable Exploitation.pdf|Scalable Exploitation of, and Responses to Information Leakage Through Hidden Data in Published Documents]], AT&T Research, April 2003
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Chow, J., B. Pfaff, T. Garfinkel, K. Christopher, M. Rosenblum, 
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* [http://www.freebsd.org FreeBSD official website]
[[Media:Tainbochs.pdf|Understanding Data Lifetime via Whole System Simulation]], Proceedings of the 13th USENIX Security Symposium, 2004.
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* [http://phk.freebsd.dk/pubs/bsdcon-03.gbde.paper.pdf GBDE Whitepaper]
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* [http://www.freebsd.org/cgi/man.cgi?query=gbde&apropos=0&sektion=8&manpath=FreeBSD+6.2-RELEASE&format=html FreeBSD Manpage: GBDE]
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* [http://en.wikipedia.org/wiki/GBDE Wikipedia: GBDE]
  
Garfinkel, S. and Shelat, A., "Remembrance of Data Passed: A Study of Disk Sanitization Practices," IEEE Security and Privacy, January/February 2003.
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[[Category:Encryption]]
 
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=See Also=
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* [[Residual Data on Used Equipment]]
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* [[Sanitizing Tools]]
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* [[Remnant Data]]
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* [http://www.iphoneatlas.com/2008/05/19/refurbished-iphones-may-contain-other-users-personal-data/ Residual data on iPhones]
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Revision as of 10:21, 17 December 2007

GBDE - GEOM Based Disk Encryption - is a FreeBSD block device-layer disk encryption that uses 128-bit AES designed and implemented by Poul-Henning Kamp and Network Associates Inc.

A more efficient implementation of FreeBSD GEOM based Disk Encryption - GELI was later written later by Pawel Jakub Dawidek.

External Links