Questions on LUKS

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To whom it may concern,

 

I will be implementing the use of dmcrypt-LUKS on a project I am work on, but I need explicit verbage of some features that I cannot find answers to.

 

1.       When LUKS is applied to a partition of a drive, is decrypted data only stored in memory and never written back to the drive (unencrypted).

2.       Is there any caching of decrypted data; If accessed again, is it read from memory or decrypted again?

3.       What are the implications of a system that is shut down (powerloss, critical failure, etc.) without the command “lucksClose” issued to an encrypted device?

 

 

 

Respectfully,

 

Edwin Ruiz

Systems Administrator, VCS21

Critical Networks / HARRIS CORPORATION

Office: +1-321-308-7361

Cell: +1-910-587-9003

harris.com  / eruiz03@xxxxxxxxxx

1025 W. Nasa Blvd. Melbourne, FL 32919

Harris_wR_2color_72dpi.jpg

 

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