Importance of disk Encryption - Printable Version

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Importance of disk Encryption - Bl4ckCyb3rEnigm4 - 12-23-2019

Cryptography basis  (if you find it boring go ahead)

First of all you have to understand how work encryption. Encryption algorithms are algorithms that are divided in Symmetric key and Public key. Symmetric key algorithms encrypt and decrypt with the same key(password), instead Public key uses two different keys for encrypt and decrypt.

The most used and strong encryption algorithms are:
  • RSA(Public key) possible key lengths are 1024 bit, 2048 bit, 3072 bit and 4096 bit
  • AES(Private key) possible key lengths are 128 bit, 192 bit and 256 bit

You may think that longest the key stronger is the security of the algorithm, well it doesn't work like that, it depends on the algorithm, take for example, for AES the max key length is 256 bit instead of the 4096 bit of RSA, but with 256 bit you can encrypt confidential files, indeed is used by the US government.

The National Security Agency (NSA) reviewed all the AES finalists, including Rijndael, and stated that all of them were secure enough for U.S. Government non-classified data. In June 2003, the U.S. Government announced that AES could be used to protect classified information:

The design and strength of all key lengths of the AES algorithm (i.e., 128, 192 and 256) are sufficient to protect classified information up to the SECRET level. TOP SECRET information will require use of either the 192 or 256 key lengths. The implementation of AES in products intended to protect national security systems and/or information must be reviewed and certified by NSA prior to their acquisition and use.[12]

Program for encryption (Windows, Linux, MacOs)
Disclaimer: Don't encrypt your disk before you understood how it works on a virtual machine, my advice is to DON'T encrypt your main OS, cause if something goes wrong you will loose anything. I can't help you decrypt your disk if you forgot your password, because that is what do encryption algorithms, make impossible to others to decrypt the data without knowing the password. So it is better to write it down somewhere. I'm not responsible for problems caused by the tutorial below, cause this is not something infallible ([i]from the site: "This documentation is not guaranteed to be error-free and is provided "as is" without warranty of any kind." here the link: [/i]

The program I suggest you it's Veracrypt (official website:
cause it is multiplatform and multipurpose. You can encrypt a file, a partition, a disk(only for Windows) or a folder. Why to prefer a open source free program? Because open source programs are always updated and is known that private encryption programs have backdoor to let decrypt the data in police cases etc.

Why disk encryption?
Maybe you are wondering why to use disk encryption instead of a strong password to login, well it's not the same. Sure enough if you forgot your Windows password you can still access the files or by mounting the disk to another computer or by booting on the computer a live OS(Operating System). If you have important files on that computer/disk, it's better to encrypt it. So in the unlucky case your computer is lost/theft all of your data are encrypted and inaccessible without the right password, so no one will be able to see what is inside of your computer/disk.

Here there is the link to download the video tutorial for using Veracrypt over Windows. (Hope you like it because is my first tutorial)

Importance of disk Encryption and tutorial - Bl4ckCyb3rEnigm4 - 01-25-2020

Hope you like the tutorial I created, if you want any other tutorial let me know. 1

RE: Importance of disk Encryption - Bl4ckCyb3rEnigm4 - 01-26-2020

Added link to zippyshare

RE: Importance of disk Encryption - ntdll - 01-30-2020

Here is a link to the source-code:

RE: Importance of disk Encryption - Bl4ckCyb3rEnigm4 - 01-30-2020

To watch the tutorial in streaming use the zippyshare link.

RE: Importance of disk Encryption - Bl4ckCyb3rEnigm4 - 08-06-2020

Re-uploaded adding mediafire link

RE: Importance of disk Encryption - EagleEye - 10-10-2020

This was short, yet very informative. thanks for this

RE: Importance of disk Encryption - Lewis3545 - 02-26-2021

I need to do more research but my understanding from before is that applying encryption can slow performance. Hmm, maybe on hard drives, but SSDs?

RE: Importance of disk Encryption - mare1 - 02-26-2021

Thanks for the clear video tutorial. I'll keep these for later. I used to use truecrypt but when it wasn't updated I switched to veracrypt. As far as I can remember, I could use the same container with veracrypt, but at least the method was the same. Well veracrypt can do much more, I know that now thanks to your tutorial!

RE: Importance of disk Encryption - Skunk1966 - 02-27-2021

(02-27-2021, 04:42 AM)Sprinkle Wrote: Great post, any recommended settings for veracrypt?

google veracrypt recommended settings before asking; all info is on their website

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