Encryption is the process of transforming information using an algorithm to make it unreadable to anyone except those possessing special knowledge.

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5 views

Ubuntu- encrypted folder for multiple users?

It's well documented how to create an encrypted home folder that is decrypted on login. I have a slightly different use case: I want a shared folder (specifically, code repositories) that is decrypted ...
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0answers
15 views

LVM2 Luks Encryption

I have set up LVM2 with Luks encryption on my drive and I have an issue. When I run disk usage analyzer, it shows that total filesystem capacity is 9.9GB and 9.7GB is used. I have a 250GB hard ...
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2answers
33 views
+50

Find out type of encrypted hard disk

say you get a random harddisk into your hands which is encrypted. is it possible just from the layout of the data to see what kind of encryption has been used? i.e. Bitlocker, Truecrypt, dcrypt?
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0answers
6 views

Accessing LUKS-encrypted exFAT partition with FreeOTFE

My computer is setup with dual boot Windows 8.1 and Arch Linux, with the windows partition encrypted with BitLocker and Arch encrypted with dm-crypt/LUKS. (I would have used Truecrypt, but they are on ...
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0answers
31 views

Why is the output of this zip file automatically encrypted?

I just downloaded a zip file and extracted it using Windows 7's built-in zip extraction (right-click on zip file --> "Extract All..."). Somehow it resulted in folders that are automatically encrypted ...
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0answers
20 views

Cannot see hard drive after failed Truecrypt decryption

I was decrypting Truecrypt external drive and at 25% it said there was a corrupt data so it replaced it with random data. After that the decryption failed completely. I deferred the decryption and ...
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3answers
651 views

How to protect private files from others to view/copy on a LAN

I'm on a company network and I want to protect my private files (or folders) from others (i.e. those who can access my computer) to view and copy. Those files are mostly MS Office and PDF files. What ...
4
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1answer
1k views

What is the best way to protect e-book?

I am a writer and want to sell my ebooks on the web. But recently there are many bad buyers who remove the protection, modify the contents, and share them on the web. My related question: Is it true ...
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2answers
53 views
+50

Do I need to create my own key to have secure cloud backup with CrashPlan?

I am interested in backing up my personal computer and my web server with CrashPlan. As I understand it, CrashPlan supports 3 levels of data security: Encrypt files locally, using a key provided by ...
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1answer
20 views

How can I keep my gpg private key on removable media in Windows?

I use GPG through Cygwin on Windows. I don't want to store my key on my laptop as a convenient file for a casual tech-savvy thief to grab if they steal the machine, so I'd like to keep it on a USB ...
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0answers
30 views

Self Encrypting Drives - is it possible to bypass ATA password?

I am using TrueCrypt but I want to buy SSD with SED, it's Samsung 840 Evo. After firmware upgrade it "supports advanced data security features(TCG/Opal and IEEE 1667)". If I set ATA password, would ...
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0answers
22 views

Can't access data in hidden Truecrypt volume with keyfile. Brute forcing did not work out

Hi need some help retrieving data to the hidden Truecrypt volume. Let’s call it volume AAA. I've had a hectic couple of months and now my memory has drawn a blank. Now I can no longer access data on ...
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0answers
3 views

what is the motivation and need for lattice-based systems in epassports in post- quantum computers era? [on hold]

AS shor's algo would break the RSA and DH (though I dont understand the complete steps of shor's algo), all protocols of epassports would be broken so why cant it be not broken with lattice-crypto, ...
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0answers
25 views

C# ProgressBar not updating [closed]

I am updating the ProgressBar every 100ms to be equal to var valuee and after every iteration of the encryption function I increase valuee by one. Why does the progress bar start updating after ...
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0answers
11 views

Showing context menu option if extension is not .aent

I have made an application that can basically encrypt anything, I have added a registry entry in HKEY_CLASSES_ROOT/*/shell/ so that it's shown whenever one right clicks a file. but I don't want to ...
2
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0answers
35 views

Debian shutdown takes a long time (RAID/crypt related)

I'm running Debian Jessie and recently my shutdown has been taking a long time. When I sudo shutdown -h now I'm sent to a blank screen except for a blinking cursor which sits for ~1 minute. It then ...
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1answer
22 views

Do I have to export public GPG keys as well when exporting pribate ones?

I created my Gpg keys. it shows up in my keys repo. Now I want to export my secret key and import it into another computer so I could use it on that computer (for example my laptop). Do I have to ...
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3answers
2k views

How can I store encfs6.xml in another location (and still make it detectable)?

How can I make encfs4win search for the encfs6 file in another location? I tried modifying the encfs_mount.cmd file at the end, like so: set ENCFS6_CONFIG=c:/test1/.encfs6.xml %pathtoencfs%encfs ...
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3answers
49 views

TrueCrypt Failing to Decrypt External Hard Drive after changing Enclosures

I have a 4TB external hard drive that was previously encrypted using TrueCrypt. The power source on the hard drive enclosure failed, so I had to switch the hard drive itself into a new enclosure. I ...
0
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0answers
30 views

TrueCrypt partition will no longer mount

I am hoping for some advice to help me out of my situation, with luck. I have a computer running Windows 7 Ultimate x64 with 3 hard disks installed. On my 2TB hard disk 2 (non-system disk) I have 4 ...
0
votes
1answer
11 views

Undo system encryption windows 7

I have formatted my PC that had windows 7 on it. Before the formatting I have backed up my information. Now, when I try to access it I encountered a problem: I have encrypted the files using windows ...
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1answer
29 views

Why is the FSF's GnuPG bot “Edward” unable to decrypt my encrypted emails?

I am facing a problem when attempting to send an encrypted email via Enigmail (Thunderbird) in Ubuntu 14.04. I was following the Email Self-Defense guide https://emailselfdefense.fsf.org/en/ ...
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1answer
22 views

Why can`t we treat SSL Certs like Pgp keys instead of trusting CAs?

I am dumb and stupid and I do not know all the technical aspects of SSL and server/client side implications and implementations. However I understand them good enough from user point of view to use ...
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0answers
7 views

Deleted part mapped to /home, how to map the new one (LUKS)?

I have 2 disks on my computer, on each I have a partition for a Linux Mint 17 installation. Both encrypted using LUKS. The other day, I deleted the partition mapped to /home. Now, I created another ...
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0answers
30 views

Crossplatform encrypted file containers [closed]

Since the sudden (and strange...) stop of TrueCrypt, I am looking in vain for a cross-platform (Windows/Linux essentially) encryption software that manage file containers (or equivalent) in a similar ...
0
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1answer
70 views

Truecrypt Password Problem, Have Recovery Disk

I am trying to log in to a laptop that has not been used since the end of last year. The laptop has Truecrypt 7.1 along with Windows 7. I am 99% sure i am using the correct password. On entering the ...
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0answers
29 views

Can I change SSD encryption password once I set it?

So I have this toshiba notebook and the specification only states the capacity of the SSD and says nothing about the type. I do not particularly understand the difference between a user and a master ...
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0answers
19 views

How do I know if the drive in my notebook is an eDrive and thus uses bitlocker with no performance drop

So I have this toshiba notebook and the specification only states the capacity of the SSD and says nothing about the type. It supports some hardware encryption via BIOS and via proprietary toshiba ...
1
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2answers
128 views

Thunderbird + S/Mime, Ecnryption Selection?

As can be seen here and here, Thunderbird does not offer an option to select a more modern encryption algorithm than 3DES when sending S/MIME encrypted mail. Is there any way to change this by using ...
1
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1answer
20 views

Make browser and server use the eNULL SSL/TLS cipher

Is it possible to make a browser and a web server use SSL/TLS (https) with eNULL cipher for debugging purposes in a development environment (e.g. wireshark capture without setting up SSL stream ...
0
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2answers
36 views

questions about data/encryption of a linux directory

i have a directory full of sensitive data and want to encrypt this directory to protect against outside attackers. i still want to be able to read from the directory and display this data onto a ...
0
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1answer
5k views

Extract pdf / image from doc88 Flash viewer

doc88.com uses some kind of encryption to protect pdf files. I used Chrome developer tools and found that it loads .ebt file. I think its encrypted Pdf / Swf file. I found the following reply Here ...
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1answer
17 views

automatic file encryption on NFS or RSYNC for remote incremental backup?

What solutions should I be looking at to allow an incremental backup via rsync over nfs4 to allow files to be encrypted on the backup host? I have zero control over the backup host's software so the ...
2
votes
1answer
22 views

Green files won't copy

I have a number of files in a folder that I want to back-up but Windows 7 won't let me. It says Access Denied. I was able to remove the green colour (encrypted) from the parent folder but trying the ...
0
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1answer
74 views

Group policy error when adding BitLocker password using manage-bde

I am trying to add a password for BitLocker using manage-mde. manage-bde -protectors -add c: -password And receive the following error. ERROR: An error occurred (code 0x8031006a): Group Policy ...
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4answers
5k views

How to remove Encrypted flag when copying a file from a HDD to a USB drive?

Environment: Windows 7, but applies to other EFS-compatible Windows versions I have a file that is encrypted using standard Windows EFS encryption. When I copy that file to a USB drive using Total ...
0
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1answer
21 views

How does crashplan encryption work?

I am considering using CrashPlan home cloud backup with the "archive key password". At the top of the archive encryption key security page it says the data is encrypted before it is sent to the ...
4
votes
1answer
253 views

How does Truecrypt know it has the correct password?

I wasn't sure whether to ask this on stackoverflow or superuser. In the truecrypt documentation, it says that a truecrypt container is indistinguishable from random data. My question is, how does ...
0
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1answer
22 views

How can I decrypt a VPN pre-shared key?

I have a windows 7 *.cmp file which contains an encrypted pre-shred key in it and I also know the pin-code for it. [Profile Format] Version=5 [Connection Manager] CMSFile=xxx\yyy.cms ...
0
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1answer
200 views

Computer randomly shuts down during Bitlocker prompt?

Recently I encrypted my main Windows drive with Bitlocker (no TPM, just password), but during the boot prompt to 'enter your Bitlocker password' the computer will shut down at a seemingly random time. ...
0
votes
1answer
16 views

Recover the ISPConfig 3 passwords

I have a backup of the old ISPConfig database. There are tons of email accounts and their aliases. I need to add them manually to the newer version of ISPConfig (this database is not compatible with ...
0
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1answer
18 views

Cant copy an encrypted files after formatting a laptop

I have questions.... why i cannot open my encrypted files after i formatted my laptop..? I made a back-up in a flash drive, then when i can't copy that file on my laptop... what should I do?? is ...
0
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1answer
37 views

Does TrueCrypt offer error correction or file redundancy?

I am interested in using OS encryption when I reformat my PC soon. I am afraid of transfer errors and what happens if the disk is not dismounted properly (such as BSOD or other crash, or physically ...
0
votes
1answer
86 views

How to prevent access of users to read and extract my binary files

I have set of binary data files among one of my applications and for security issues I should encrypt and decrypt files for every use. This is quite well but the process is killing. I use Blowfish to ...
2
votes
0answers
280 views

Troubleshooting TrueCrypt AES pretest errors

Every time I try full system encryption with truecrypt (AES) I'm getting a 'pretest failed' message after my test reboot. The thing is, nothing actually fails, I get a password prompt from the boot ...
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0answers
8 views

Is there a program that offers cascading encrypton? [closed]

I want to encrypt files that I'm going to put on a USB Flash Drive. I would prefer a AES-Twofish-Serpent cascading encryption with a Whirlpool hash. SHA 512 hash would be fine but I prefer Whirlpool. ...
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0answers
18 views

Accessing a truecrypt volume from a different computer

I made a truecrypt hidden volume on my windows 7 computer. And when i plug my flash drive into my windows XP machine. and load the drive. It doesn't accept the password even though i checked the ...
0
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0answers
20 views

How to encrypt secondary hard drive without needing to type the password all the time when logged in on linux?

I have a notebook lenovo w520, with second HDD instead of DVD-ROM. I would like to encrypt this whole drive (there is only one partition) But as soon as I am logged into my ubuntu 14.04 with my user ...
0
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0answers
9 views

How to add an existing encrypted vHDD to a new virtual machine?

I am using VMware workstation with encrypted virtual hdd-s. I tried to use one of the vmdk files as an hdd on another virtual machine, but when I try to add it as an existing disk, I get the following ...
2
votes
0answers
53 views

Files were encrypted by virus, and old (win 7) OS is gone - What Do?

So for the past few weeks I have been planning on switching from windows 7 to Ubuntu (14.04) with windows running in a VM for whenever I need it. 2 days ago my antivirus complained to me that I had a ...