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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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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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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2answers
17 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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1answer
19 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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5 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
34 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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31 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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51 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 ...
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2answers
216 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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22 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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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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28 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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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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3answers
51 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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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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1answer
45 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 ...
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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
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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16 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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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 ...
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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 ...
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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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30 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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23 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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32 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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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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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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7 views

Diagnose encryption problem in Microsoft Outlook?

I am unable to send an encrypted email to a party for whom I have a certificate. How can I diagnose the problem? Microsoft's error message does not explain what the problem is: Notes: The party's ...
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2answers
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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) ...
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38 views

How to mount LUKS/EXT4 disk in Windows 7?

I used the defaults in cryptsetup to create an encrypted disk with EXT4: $ sudo cryptsetup luksDump /dev/sda # list property luks LUKS header information for /dev/sda Version: 1 Cipher name: ...
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13 views

What do I need to do in order to use Enigmail on more than one PC?

I've already imported my keys from pc1 to pc2, but on pc2 I always get this error message: Error - no matching private/secret key found to decrypt message; click on 'Details' button for more ...
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1answer
40 views

Windows 10 upgrade while encrypted with VeraCrypt

I want to upgrade to Windows 10 but I don't want to decrypt my system partition because it takes 21 hours.. Is it possible to upgrade without decrypting?
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15 views

Split and encrypt a folder before uploading online for backup

I'd like to try out BackBlaze B2 to back up 400 GB of files. However, I'd like to zip and encrypt before uploading. Requirements split a folder to multiple folders (folders contain videos and ...
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1answer
18 views

Disable cipher in ssh

I'm interested in getting SSH running over Amateur Radio, which has a strict ban against encryption for obscuring communications. Authentication (ie RSA signatures) is fine though. Reading ssh(1) and ...
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1answer
21 views

encrypt password in putty session

how to encrypt the username & password in putty.i used the below command: start putty.exe -load script -ssh ipaddress -l username -pw Password -m commands.txt to access my device.
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1answer
25 views

EFS and encrypting new files automatically

I have an issue where files are not always being encrypted. I did a right-click and set the folder to encrypt all sub-folders and files when they are dropped in. As of right now, new files are not ...
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37 views

Print (cat) a vim encrypted file

I used -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 ...
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38 views

Password reset with Live Account - What files are “encrypted files” in Windows 10

I have access to my account through live login and my Windows 10 pin but I need to log in from safe mode to reinstall my video drivers in a clean manner. To access this account in safe mode I would ...
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19 views

Encrypt Linux using Veracrypt dual-booted machine

My Hard-Disk is of 465 GB, I am running Linux at /dev/sd4 partition & Windows 8 on /dev/sd3 (C Drive) & /dev/sd1 (D Drive). I want to use veracrypt to crypt my Linux Section at /dev/sd4 which ...
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Is the EFS key of all accounts associated with the same Microsoft account the same?

My boot hard drive stopped working but I had backed up all the files on an external hard drive and encrypted it with EFS prior to this. I unfortunately did not make a backup of the key and so was ...
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1answer
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How can I get the symmetric encryption key used by SSH?

I'm looking into a Wireshark trace made by myself, and I wanted to see what the client sent to the server and what the server replied in the encrypted application data stream. While I see what method ...
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16 views

Is it possible to access in a Guest OS (Windows 10) files in an Encrypted Data Volume in the Host OS X (El Capitan)?

What is a good method of accessing from Windows 10 (running in a virtual machine using Parallels Desktop 11) encrypted files (using Veracrypt) that are located in OS X El Capitan? My goals are: To ...
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1answer
37 views

Are OpenPGP-encrypted files vulnerable to data corruption?

I have used GnuPG to encrypt some long-term backups, but I am concerned whether over time data corruption might make it impossible to recover the archives. Can you decrypt partially corrupted OpenPGP ...
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41 views

Encrypt Filenames - I have no idea what it is and where to use it. Please explain

I saw in 7zip checkbox to Encrypt Filename and than someone told me to encrypt filename and encrypt the file. What does it mean filename encryption?
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A portable linux system with luks encryption can't boot on one of my machines

I installed opensuse on a portable SSD drive, which I can boot on several of my machines. The installation uses luks encryption on /home and /swap partitions (ext4 filesystem). But only when I use ...
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24 views

Usage of gpgtar.exe on windows

i want to use gpgtar.exe from command line to pack some files in a archive and then encrypt them using gpg.I am using gpg4win 2.3.1 on windows server 2008 R2 and since this process is automated from a ...
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GnuPG keeps looking for my dead smart card

My smart card died (physically). I made offline backups of my keys, and those are successfully imported back into GnuPG. However, it keeps asking for the key whenever I try to decrypt using the keys. ...
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27 views

Access encrypted partition from Linux and Windows

Just to be clear, I'm a security noob. I have a Linux (openSUSE Leap 42.1) and Windows (10). I made the home partition of the Linux encrypted but now I cannot access it from Windows. The only ...
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How to mount a LUKS encrypted device with password prompt NOT at bootime?

I would like to automate the process of doing sudo cryptsetup luksOpen /dev/sdc sdc_crypt sudo mount /dev/mapper/sdc_crypt /mnt/data in one line with mount /mnt/data and only be prompted for the ...
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1answer
24 views

Human readable SSL/TLS packets

If I have a protocol-analyzer/packet-sniffer, such as wireshark installed on a particular device.. (or in this case; tcpdump & tshark etc. on my smartphone..) ..should I be able to read ...