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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Bitlocker force all drives to be unlocked at startup

I have multiple drives encrypted with Bitlocker on my computer, Whenever I start my computer I am prompted to unlock my SSD boot drive but none of the other drives. So when I start my computer I have ...
2
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3answers
410 views

Encrypting %userprofile% using EFS?

Is it safe to encrypt my Windows 7 %userprofile% folder using EFS ? i.e. are applications or system logon going to be affected?
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0answers
47 views
+50

Print (decrypt) a vim encrypted file

I use the -x option in vim to encrypt a file. I read this files much more times than I write to it, so I always use cat and then remember it is encrypted because of what it shows.. So then I have to ...
9
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3answers
3k views

Encrypt Windows 8 file history

File history in Windows 8 is great, but it saves my files on an external drive without any encryption, and stores them using the exact same folder structure as the originals. If a bad guy gets his ...
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3answers
268 views

When multiple Encrypting File System certificates are installed, which one is used for encryption?

To encrypt a file or folder in Windows, you basically go to its Properties and check Encrypt contents to secure data. Windows will use the certificate for Encrypting File System (EFS) that is ...
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1answer
25 views

How can I encrypt/decrypt an Autohotkey ( .ahk ) file on the fly?

I use autohotkey to put different password combinations into different apps or devices I access. I also have an RSA token for additional authentication. Using an .ahk file is not very safe security ...
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1answer
16 views

TrueCrypt: should I encrypt entire drive or create partition and encrypt that?

I'm debating between these two options that Truecrypt offers. This is a non-OS drive I would like to fully encrypt. Erase all partitions and encrypt the entire drive - Pros: if the drive gets in ...
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24 views

Bitlocker HDD Got Zapped - I have Keys - How do I un-encrypt Files on Backup Drive?

I decided to use Bitlocker to encrypt my 2nd internal SATA data HDD (NTFS) on my PC (Win 7 Pro) containg sensitive financial and personal data. I assumed that when the encrypted SATA HDD was unlocked ...
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0answers
9 views

TrueCrypt: does hash algorithm affect performance?

Would choosing between SHA-512, RIPEMD-160, or Whirlpool have any impact on the actual performance of a truecrypt partition once it's mounted or not? Thank you
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0answers
22 views

Samsung SSD 840/850 Pro with Encryption: how does portability work?

Context. the Samsung SSD Pro series ships with a hardware-based encryption feature which protects the disk content. As highlighted by many other questions and guides online, this feature can be "...
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29 views

Getting BAD Signature when verifying Linux Mint .iso image

I've been attempting to install Linux Mint 18 on a hard drive for a while now, but I continuously run into an error when I try to use gpg --verify. The exact error is as follows: $ sudo gpg --verify ...
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2answers
19 views

Knowing when a key becomes compromised

I am trying to determine best practices for identifying a compromised key. I have had very little luck finding any material on this however was hoping there was some kind of service which would notify ...
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0answers
20 views

How to stop encrypting medium in Virtualbox?

I accidently run encrypting medium in Virtubox and it tooks extremely slowly. I assume it will run a few hours. Is it possible to stop this process (and possibly roll back) without damage the data ...
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1answer
3k views

Truecrypt password proble m, 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 ...
1
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1answer
971 views

Apple HTTP Live Streaming PKCS 7 encrypted stream

M3U8 streams can be encrypted using AES-128 with or without IV, as described here: http://tools.ietf.org/html/draft-pantos-http-live-streaming-07#section-3.3.4. Now I have a stream that is apparently ...
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4answers
5k views

Encrypting a multi-boot USB drive

Goal: Full encryption of a multi-boot USB drive containing boot CDs and confidential information Problem: I have been experimenting with XBoot (https://sites.google.com/site/shamurxboot/download) ...
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2answers
34 views

Confusion about HTTPS proxies

I know how HTTP proxies work, but I am unsure about HTTPS ones. More specifically, I am confused about the encryption part. So, the client connects to the proxy using HTTPS. That I understand. Now ...
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0answers
6 views

Outlook is generating winmail.dat files

I have tried to stop my Outlook 2013 from sending winmail.dat files, but it is not working. I followed the following instructions (found in other similar posts): Open up your Outlook email client. ...
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2answers
35 views

Simple USB drive encryption under Windows - Best Practise?

I'm looking for an easy (!) way to encrypt (and decrypt) USB volumes under Windows 10. Easier than my current practise: Currently, I've an True Crypt file on the USB volume and a portable TrueCrypt ...
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2answers
354 views

Windows 10 BitLocker on bootup presents just a blue screen but no password box or text.

I have a Windows 10 machine that used to work just fine. Now when you do a reboot the password box and text does not show. You can type the password and get enter and it will work. What would cause ...
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2answers
3k views

How to encrypt a dual boot system with Veracrypt?

I want to dual boot Windows 10 alongside Arch Linux on 1 SSD. The SSD is 465GB and I want to use Veracrypt to encrypt the hard drive and enable pre-boot authentication. I haven't attempted to do this ...
0
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1answer
744 views

boot from encrypted filesystem without user interaction?

Is it somehow possible to boot a Linux operating system from an encrypted filesystem/disk without having user interaction? Background: I am preparing a VmWare Image for shipment to a customer. This ...
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33 views

Dual boot Ubuntu and Windows 10 Encrypted

So, maybe this is an obscure and stupid question to ask here, but, in my case, Windows 10 and Ubuntu 16.04 are not playing nicely at all. Because I wanted to encrypt my laptop, I decided to sudo dd ...
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0answers
52 views

SSD encryption the proper way

When encrypting devices it is always recommended to fill it with random data first, or it would become evident that the drive is encrypted and how much encrypted data there is. I've read that on an ...
3
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2answers
38 views

Outlook recipient receiving winmail.dat file

I am sending mail to a recipient that is using Outlook. Normally Outlook opens winmail.dat files automatically. However, this is not happening. Instead he is receiving the winmail.dat file as an ...
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0answers
23 views

How do I setup large capacity SSD to be my OS and Data Backup?

I have a large capacity SSD drive that I want to utilize as follows. I want: A Linux Distro installed to run on any (reasonably new) PC hardware. An exFAT partition for data storage and backup. ...
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23 views

What is the TIME overhead for IPsec?

WHAT I NEED I am trying to determine the 1) TIME overhead and 2) stability of an IPsec connection. Assume tunnel mode with 128-bit AES encryption and 256-bit SHA1 HMAC verification/authentication. ...
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2answers
2k views

RAR password cracker

Does the RAR file format use a serious encryption (such as AES)? Will it take unfeasibly long to brute force a password? If not, what tools do you suggest that do so automatically?
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0answers
30 views

Text files encrypted / scrambled after data recovery

I have a bunch of important notes that I recently recovered using EaseUS Data Recovery Software from a hard drive that got over written accidentally (Xubuntu install automatically chose that 2tb ...
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3answers
53 views

Is 7Zip encryption as secure as AxCrypt?

Is it as secure to use 7Zip encryption to encrypt a file as it is AxCrypt? It's more convenient for me to use 7Zip, and I was wondering if I would be sacrificing any security that way.
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16 views

How to get around “Policy, Signature, Key-Pair-Id” values for a Signed URL?

I am trying to download music from a website, and in Chrome Dev tools, I find that the website is sending the audio file in parts. I opened one particular part's URL in a new tab and it reads ...
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1answer
51 views

Office365 Web application - S/MIME emails from Chrome

The problem I'm currently facing is, when receiving emails from clients who encrypt their emails using S/MIME. I have found similar posts regarding this same issue, but the resolution of using IE is ...
0
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1answer
11 views

Is a locked compressed zip more secure than uncompressed locked 7-zip archive?

Using 7-Zip to lock folders. If you lock it in a compressed state, is it any difference then if it's in a store state? Security wise.
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2answers
4k views

7-Zip command line -p switch is not working according to the help page

I want to be able to automate the encryption of the file type .pcapng in a Windows batch script. My current problem is that I get an error when extracting the encrypted file saying something along the ...
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1answer
3k views

Can't unlock disks encrypted with Mavericks after upgrade to Yosemite?

I have 2 (microSD) disks encrypted under OS X Mavericks. I didn't use FileVault 2, I just used normal "Encrypted Logical Partition" from Finder with a complex password which was not saved in Keychain. ...
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1answer
12k views

Bitlocker Repair Tool for windows 7 Ultimate

I have just enabled bitlocker using a flash drive without TPM on windows 7 Ultimate 64 bit. Just to be prepared - is there any way I can recover data from an encrypted volume in Windows 7 ultimate. I ...
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0answers
18 views

Encrypted Virtualbox VM in a Veracrypt Volume

If I want to secure the data in my Virtualbox VM... is it significantly more secure to set this as an encrypted VM (via Virtualbox's AES disk image encryption) AND place the VM image in a Veracrypt ...
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9 views

I need encryption software for outlook that runs as a proxy, has a one-use scrtachpad and selectable key strength [migrated]

This encryption software need to: run on windows install a mail proxy that would run locally allowed you to select the strength of your key up to 10240 bits has a one-use scratchpad for entropy ...
2
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3answers
509 views

“Input/output errors” using encfs folder inside Dropbox folder

I have a 200 gig Encfs encrypted file system living in my Dropbox and being accessed by multiple machines, and I've never had any problems with it until now. I moved about 10 gigs of data around on ...
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16 views

Unable to enable BitLocker due to mis-configured (?) Windows Recovery Environment [duplicate]

tl;dr: I failed to enable BitLocker on my tablet's system drive for the first time and now I see an error each time I restart Windows or try to enable BitLocker again. Windows claims that this is due ...
6
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1answer
518 views

Poor write performance on ecryptfs

I did a bit of benchmarking with ecryptfs and dm-crypt, and got some interesting results. All the following were done with a Btrfs filesystem, using dd to copy a ~700MB file to/from a ramdisk with the ...
0
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1answer
18 views

Find password application uses to access PDF-file in OS X

I have a encrypted PDF-file that I don't know the (user) password to. However, I have an application that can opens and decrypts the file (temporarily) so that it is viewable in that application. Is ...
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0answers
7 views

El Capitan: history of Word 2011 document on encrypted disk stored elsewhere?

This is a pretty esoteric question, so I apologise in advance, but I really need to know the answer. I have an encrypted sparsebundle in which I have a number of Word documents. I need to know that ...
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0answers
31 views

Linux: encrypted /var + plausible deniability + quick&easy mount at boot time

So, as the title suggests I'd be looking for a convenient way of protecting my data while achieving plausible deniability. I've read the archwiki on the subject. I'd rather not encrypt the whole root ...
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0answers
25 views

Is there a way to BitLocker without a USB key

I've been trying to find a way around this. One Drive, DropBox and others are not seen as a remote disk so I can't backup the key there. Said client is remote without a USB stick. Trying to enable ...
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0answers
33 views

How to remove incorrect password for file symmetrically encrypted with GPG

I used Emacs to encrypt a text file with a symmetric key. When decrypting the file, the program pinentry opens a window for password entry. I accidentally clicked the checkbox for "save in password ...
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2answers
4k views

Is it possible to re-install an operating system over an encrypted system?

Scenario: I buy old PC/laptops, fix it and then resell them. I recently got a laptop at an auction with the whole system password encrypted McAfee Endpoint Encryption. Windows does not even load. I ...
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0answers
18 views

How to encrypt email with public key in Thunderbird

So I need to send an encrypted email to a specific person. So I installed Thunderbird, GnuPG, and the Thunderbird add-on Enigmail. I totally understand that I need to encrypt the email with the ...
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0answers
24 views

disk encryption - physical, virtual host, or guest

I have a Mac Mini that currently has FV2 on the primary disk and no encryption on the second internal disk. I recently installed VMware Fusion and want to install Windows 10 Pro and OS X El Capitan ...
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2answers
20 views

How to send an encrypted message to a user with an expired OpenPGP key?

I have a friend who has an OpenPGP key and I was enjoying to have someone to write encrypted mails to. However, after 3 years his key just expired last month and now Thunderbird (with Enigmail plugin) ...