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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ssh proxy command with netcat

In example like this: Host destination ProxyCommand ssh gateway nc %h %p Is the connection between the gateway and the destination encrypted? I am confused because I have 2 hypotheses and both ...
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1answer
31 views

open a pgp file and edit the decrypted content, re-encrypt on save [closed]

I use dropbox to backup my data, but I don't trust it. It's mostly for .txt files Is there a way of opening them (with emacs or sublime text or something else), and edit the underlying content like ...
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39 views

Recovering a deleted 128-bit encrypted .dmg file

I need to recover a recently deleted 15 GB .dmg file, which was deleted from a drive which is otherwise not in use. It should be easy to recover, but neither Data Rescue 3 nor Disk drill seem to find ...
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3answers
9k views

Can I upgrade to Windows 10 with BitLocker Enabled?

I am currently running Windows 8.1 Pro, with BitLocker enabled (the hardware has no TPM, though). I am curious as to whether I will be able to upgrade to Windows 10 when it is rolled out without ...
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0answers
21 views

Encrypted folder with decryption through network on Windows 7

I'm trying to figure out some way how to have an encrypted folder, which could be decrypted throught network. I have Windows 7 Professional, I've searched for some ways, tried Bitlocker but it works ...
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2answers
2k views

Firefox 39 - Secure Connection Failed - weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message

As of Firefox 39, connecting to an old administrative interface for some third party software gave the following message: Secure Connection Failed An error occurred during a connection to ...
2
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1answer
17 views

How to see the encryption algorithm in firefox

Is there any tool through which I can check the encryption algorithm being used when I am accessing a website in firefox? The plug in should be able to show me security related information, like ...
2
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1answer
71 views

How to use backup EFS certificate to decrypt encrypted files?

I have some files that were encrypted on a now extinct Windows 7 system. I made sure to backup my keys, this one is called efs.pfx. Double-clicking it launches the Certificate Import Wizard which ...
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21 views

Remove the “Copy This File Without Encryption” confirmation box

I have a Windows EFS drive, and an unencrypted USB, and a TrueCrypt virtual drive (on the USB). When I copy files from the HDD to the USB or the virtual drive, I get a Windows confirmation box warning ...
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0answers
46 views

Decrypt bitlocker drive with Volume Boot Record corrupted, using recovery key

I have a hard drive with an installation of Windows 7. The 2nd partition that contains OS files and data is Bitlocker encrypted. I messed up that partition when playing with Ubuntu live CD, I ...
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2answers
29 views

Outlook email is scrambled (Looks like Encryption Junk) on forward

OS: Windows XP SP3 Email Client: Outlook 2003 Recently the place were I work has had an issue. One of our employees can receive email just fine, but sometimes when forwarding it, it turns into a ...
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1answer
49 views

Are there risks to encryption of Windows 7 external hard drive?

For greater security, I want to encrypt my USB 3.0 external hard drives, to make it harder for Internet or LAN hacker to get at it; or if external hard disk physically stolen. Encryption method would ...
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1answer
64 views

MPPE difficulties on OSX PPTP VPN server

I'm trying to get a VPN up and running again on a Mac OSX server, and seem to have run into a snag with MPPE. When I try and connect to the VPN from my laptop on the same local network, I get the ...
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1answer
28 views

Truecrypt run from USB: Can run w/o admin mode? Secure? Temp files?

I am trying to create a secure USB drive using Truecrypt, but I am confused on a couple of issues, so I have some questions: 1) Can Truecrypt be run from the USB drive (in portable mode) without ...
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2answers
82 views

Is FTP on router secure?

I am using a 2TB external hard drive connected to an Asus RT-AC87U. The router can be accessed from the internet over FTP with the right username and password. My question is, that how secure is ...
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0answers
10 views

Can I use a pair of subkeys in isolation, without the master key

I understand that upon generation, I get a Master signing key (alpha), and I get a encryption subkey (beta 1). If I create two keys, beta 2 sign-only and beta 3 encrypt-only, push them to a ...
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1answer
67 views

OSX Automatic Unlock and Mount Encrypted User Account on Separate Partition

I am using a bootable flash drive with OSX Yosemite, a single admin account, and multiple user accounts (for testing purposes, will migrate to MacBook when I get this to work). I am trying to find a ...
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0answers
27 views

Securing USB or external HDD mounts with a password (open-source solutions)

I would like to have a password required each time I mount a USB drive or memory stick onto a Windows Vista or 7 computer. It seems to me like I would need an encrypting filesystem: move everything ...
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0answers
40 views

How to find and copy all NON-encrypted user-created files?

I have a drive from a Windows XP computer full of files, all the usual filetypes, many the user has created, many 'owned' by Windows or programs... 18120 of them are encrypted. I need to recover all ...
2
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1answer
50 views

Garbled text at end of file. Is this encryption related?

Preface: About a month or so, we upgraded our work systems from a Windows 7 desktop to a Windows 8.1 Dell laptop. Laptop's file system is NTFS with DDPE file encryption and desktop's file system is ...
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2answers
124 views

How can i bypass/protect myself from ransomware like ctb-locker? [duplicate]

Recently while using my system for testing I got my machine infected with a malware, My system gets displayed with the following screen : While browsing internet with screenshot i found that its ...
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0answers
20 views

Reformatting drive from a GUID partition to an MBR partition

I understand that Truecrypt is not compatible with an GUID partition but that is the limit of my knowledge. I am currently using a system that has a GUID partition but doesn't have bitlocker ...
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0answers
69 views

Boot fully encrypted Windows 8+ with GRUB without password using keyfile

I have a current setup so that my entire linux (including /boot) is encrypted and when I first start grub a password is needed to access /boot from my linux partition. But my entire windows partition ...
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0answers
52 views

Fast disk encryption on Raspberry Pi

I need to have a trivially encrypted disk on my Raspberry-based server. As far as I know, Raspberry Pi doesn't have any hardware AES encryption. That means, the standard disk encryptions are awfully ...
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27 views

pgp decryption of file encrypted from named pipe as input does not decrypt to execution directory

if I encrypt data (via gpg) in the form of a flat file, on decryption (via pgp and with out specifying output directory) the decrypted file will write to the execution directory. If I encrypt data ...
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31 views

How to change from passphrase to encrypted key file in debian using luks?

I have four partitions plus /boot, each one with a different passphrase. I would like to manage unlock of all partitions with a single passphrase that decrypts the gpg.key file on the boot partition. ...
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1answer
45 views

Fastest way to duplicate encrypted hard drives?

I used hard drive duplicator to do the sector-by-sector duplication of hard drives. I think it took about 5 hours. Pros: easy unattended, computer-free operation Cons: hard drive size ...
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0answers
28 views

Fedora login screen stuttering

I have the followwing problem with Fedora 22 (64bit): It boots fine, it shows the password screen for the encryptions all fine, then it takes a whole lot of time to even display the login screen. ...
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0answers
21 views

How to prevent Internet acees if SwitchVPN is not running

I've got a VPN Client (Switch VPN) that automatically starts on Windows login, but requires administratives elevations. As I am the owner of the computer (I share my PC with 2 other persons), I would ...
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0answers
50 views

Create incremental/complete backups from a fully encrypted disk using using TrueCrypt?

I have a tricky question about whole disk encryption with TrueCrypt for which I have never found a clear answer: What method do you recommend/use for create backups from a whole disk encrypted disk ...
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1answer
84 views

systemd: decrypt luks device on access

I have an external drive with a LUKS-encrypted partition. As the device is an external USB device and I don't always need it, I only want to decrypt and automount on demand. I can easily automount the ...
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0answers
37 views

How to mount a truecrypt container with noatime?

I'm using the TrueCrypt GUI on Ubuntu and I don't think there's an option for specifying mount options in the interface. I want to use noatime, because it reduces writes to the disc. I have seen the ...
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1answer
940 views

Does UEFI potentially leak encryption keys?

I just built my first computer in years and for the first time I now have an UEFI mainboard. I installed Windows 7 in legacy mode and encrypted my system partition with Truecrypt. Recently there was ...
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25 views

regex search compressed password protected files

I have a repository of a few million large text files. I need to regex search them on a regular basis. Because they are large, I use gzip to compress them and zgrep to search them. I have been asked ...
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3answers
61 views

Effective methods to prevent unauthorized access to my windows system

Problem : I have my windows machine where i used to randomly change password for 15 days,i fear that my friends might hack/misuse my pc with windows password reset tools [normally it would be used ...
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0answers
47 views

Encrypted Drive. Forgot password. Remember parts of it. Less than 10 characters [closed]

So I forgot my password to an encrypted drive (encrypted via Truecrypt 7.1a) and I remember parts of it (let's say the parts of the password is "12345" at the end and "guan" in between everything)... ...
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43 views

7zip only asks me for a password once when I open an encrypted file

I archived some files on my laptop and encrypted them using 7zip and the first time I tried to open a file, it asks for the password, but after that it never asks for a password... is there a way to ...
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0answers
22 views

Encrypting a folder in Windows 7 [duplicate]

Recently, when I tried to encrypt a folder in my external HDD, I was presented with a dialogue box as given below: What' the difference between Apply changes to this folder only and Apply changes to ...
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1answer
26 views

Zipping / Encryption on Solaris 10

I have a dump file which I am zipping it up -> sending it over a network -> and burning it onto DVD. However, now i would require encryption AES 256 on the dump file. I am running Solaris 10. Is ...
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119 views

Windows 7 won't boot (encrypted with Truecrypt 7.1a)

How the problem occured: My laptop randomly shut's down (probably overheated). After the last shutdown it could not boot windows anymore I could choose to use startuprepair or start windows normally ...
3
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1answer
36 views

Should my OpenPGP key used for storing documents in the cloud expire?

I plan on doing a mass migration of all my local files to various cloud services since space is pretty cheap these days. I figure I should probably encrypt my data before I upload it, which is better ...
0
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1answer
34 views

SSD encryption for storage purposes [closed]

I have a laptop with a HDD (1TB) and a SSD (15GB). On the HDD I have 3 differnt OS installed. So I was thinking to use the SSD as a storage for Music and such so it can be accessed by all of the OS. ...
2
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1answer
43 views

Lets encrypt on a server with multiple websites?

I read the website for let's encrypt, to get it to work you: $ sudo apt-get install lets-encrypt $ lets-encrypt example.com But what if I am on a server hosting example.com, example1.com, ...
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28 views

Encrypted partition between Ubuntu 14 and Windows 7

I've created a 50 GB partition (NTFS) for sharing data between Ubuntu 14 and Windows 7. I would like to encrypt this partition in a "common" way between the 2 OS. Is there any way to do that?
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1answer
60 views

How to mount a encrypted tar file in Linux?

Let us imagine I have encrypted my tar file with gpg as we can see here but I want to mount that with archivemount (e.g.: answer) without holding the unencrypted file on disk. Is it possible? If not, ...
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0answers
10 views

Can i check the Encryption of Data transmision for IIS7.0

I want to check this information : Cipher suites - Encryption: 3DES or AES-128 or higher - HMAC: SHA-1 or higher - Authentication: DSS or RSA Protocal support TLS version :.. is there anyway ...
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1answer
27 views

Update certificate in Outlook contacts

How can I update an encryption security in Outlook contacts? I got an email signed with an updated certificate by someone who is already in my contacts with an expired certificate. If I REPLY to ...
2
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1answer
26 views

Trying to encrypt entire user folder but getting access errors

In my Windows 7 Pro system, I am trying to encrypt my entire user folder but certain folders or files keep throwing up flags like this: Now, I have granted the process of encrypting Admin rights, ...
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0answers
41 views

Encryption and Wake-on-LAN [closed]

What I want: I have a storage server that can be turned on remotely via WoL. Now I want to encrypt the data stored on the server without losing the ability to turn the server on remotely While I do ...
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0answers
34 views

Automated script to create/access an encrypted file with multiple recipients

My goal is to create an automated way of encrypting/decrypting some files using openssl. What I currently have are the public keys of the recipients (in PEM format) and the actual data I need to ...