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|>|Analysis of the encryption structures provided by BitLocker  
> Access to the content HTML Beginning of the presentation
PDF PDF version [1.4 Mo KB]  
> Description This presentation shows internal but available structures used by a BitLocker encrypted drive : how to find them, how to decompose them and how to translate them. Moreover, the key used for encryption or decryption are listed. Finally, a tool to decrypt BitLocker encrypted drives under Linux or MacOSX is presented : dislocker.
Video: dislocker-fuse.ogv [12 MB]  
> Context & Dates Talk presented during the 2012th edition of the GS-Days, on 3 April 2012.
 
> Author Romain Coltel (Romain.Coltel@hsc.fr) 
> Type [ French - HTML ]  
> Abstract &
Table of content
Flyleaf
Sommaire
Contexte & Objectif
Fonctionnement général de BitLocker
Que fait BitLocker ?
Qu'est-ce qu'il ne fait pas ?
Le coeur de BitLocker : Les méta-données
Accès aux données sur les partitions chiffrées par BitLocker
Algorithmes de chiffrement des données utilisateurs
Les clés utilisées pour le déchiffrement
Vue d'ensemble du disque
Les informations du Bios Parameter Bloc (BPB)
La fragmentation des méta-données
Détail de la partie INFORMATION des méta-données
Détail de la partie VALIDATION des méta-données
Détail de la partie DATASET des méta-données
Détail de la partie DATUM (DATA) des méta-données
Les DATA trouvées dans la partie INFORMATION des méta-données
Les DATA trouvées dans la partie VALIDATION des méta-données
L'implémentation : FUSE & Dislocker
Principe de FUSE
Vidéo de présentation de Dislocker
Conclusion
Questions ?
Références
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