This projects details the Internals/Implementaion of BitLocker Encryption system for Vista.
NVbit is a linux fuse driver to access Windows Vista's Bitlocker Volumes from linux, provided you have the right keys.A white-paper and supporting presentation is also available.The research was done around an year ago.Work was stopped prematurely,Don't expect things in clean/finished shape.The code is in alpha state.
Both the paper and presentation are incomplete draft versions. However, missing things can be referred from nvbit source code.NVbit allows read-only access.(Though writing can be done just in reverse order but still it doesn't exist for now).