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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2answers
292 views

Unlock External HD after locker has been deleted

I used lockMyDrive software in order to lock my external hard drive. The software locates the interface, where the user should insert the password, in the external hard drive itself. Everything was ...
-1
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3answers
41 views

How is TLS enforced on the receiving client of an email

I am writing an application that must send encrypted email to recipients. The state agency I work for recently installed a feature for outgoing email. If #secure# appears anywhere in the subject, the ...
0
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0answers
22 views

Locking Arch Linux with keyfile on USB

I'm currently preparing to install reinstall Arch Linux on my HDD and was going to encrypt the whole disk and then I saw this https://wiki.archlinux.org/index.php/Dm-crypt/Device_encryption#Keyfiles ...
0
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1answer
114 views

Verify that connection to Cygwin SFTP Server is encrypted

I must ensure that my flow is encrypted. I am on a Windows machine and I have installed a SFTP server via Cygwin.. I am using WinSCP as client. And I am developing another client in C#. Everything ...
1
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2answers
56 views

Encrypt data flows via SFTP protocol

I have a problem and I am neither a system engineer nor an expert about certificates. I have to transfer some file from a client to a SFTP server via SFTP protocol. I have installed a SFTP server on ...
0
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1answer
43 views

Putty - how to tell which encryption algorithm is actually being used

I know how to configure which algorithms I'm willing to use. But the actual algorithm used is based on negotiation between putty and the server. So how do I tell which algorithm is actually being ...
0
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0answers
97 views

Enable AES encryption via ATA password on Samsung Evo 840 with data already on the drive?

Does the Evo 840 support changing the AES key (more or less) on the fly (in my case from "no key" to "my key")? I don't mind if it takes an hour to encipher the data as long as I don't have to ...
0
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0answers
41 views

How can I safely store my home directory on a cloud storage drive?

Here's what I want: All contents of my /home directory synched to a cloud storage drive. Seamless access: I want to use my home directory as normal, and for it to automatically be synched to the ...
0
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1answer
445 views

Unlock locked drive with Bitlocker using Password?

I have a Bitlocker encrypted drive and when I encrypted the drive, I saved the Recovery Key to my USB. Then I changed my system windows from 8.1 to 7 (because of some reasons) and suddenly lost my ...
0
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0answers
17 views

Just how fast is VIA's Padlock?

CPU manufacturer VIA has added AES acceleration to their C7 line of CPUs (I suppose Intel/AMD have with their newer CPUs as well). I'm wanting to build a matched pair of routers connected over a ...
0
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1answer
175 views

Cryptolocker: Derive Key Mathematically From A Decrypted Copy of a File?

Would it be possible to derive the key, if you have a decrypted version of a file, let's say this file, as an example: "C:\Windows\ehome\en-US\epgtos.txt" Or do cryptolocker and it's class of virus ...
0
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2answers
125 views

How can I encrypt plain text with a password on Linux?

http://www.unreadable.de/ takes a plaintext message + password input and encrypts the plaintext. I want to do this locally on Linux. Is there a one-line command that will compute an encrypted version ...
0
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2answers
39 views

Receive files securely over the Internet [closed]

Presently, I receive e-mail attachments from many different senders. Due to the contents of the file attachments, I want them to be protected (i.e. encrypted) while in transit to me. How can the ...
0
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0answers
21 views

Reinstalling linux without Re-Encrypting

I kinda crashed my system today by apt-get removing sensitive libraries with dependencies (for example pre-installed gnome-core and iceweasel were removed too)... I could successfully restore most of ...
0
votes
1answer
51 views

Verify signed file using GPG by passing in signature hosted online rather than stored locally (i.e. in keyring)?

Is it possible to pass the URL of a GnuPG signature when executing a verify query against a signed file? For example, instead of: gpg --verify file.txt Is there a variation of something like: gpg ...
2
votes
1answer
2k views

OS X 10.10 Apple Mail not recognizing S/MIME certificate

After upgrading to Yosemite, Apple Mail no longer recognizes my S/MIME certificate. This was working in Mavericks. I've checked Keychain and the certificate is valid, even evaluated it as S/MIME for ...
0
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0answers
62 views

Establish IPSEC Tunnel between two Ubuntu 12.04 PCs over LAN

I have two ubuntu 12.04 32 Bit PCs between which I want IPSec Tunnel to be setup. I have setup ipsec in both systems and ipsec verify runs fine on both. Since I have no prior experience of openswan, I ...
0
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2answers
47 views

Splitting a file provides some sort of encryption?

I was wondering if splitting a file with tools like HJsplit provides some sort of encryption. Imagine I split an image or a pdf in various parts, if someone manage to get just 1 or more parts, could ...
0
votes
1answer
144 views

Encrypting boot SSD and data drive

I use a 120GB SSD as my boot/system drive, and I have a 1TB SSHD that I use as a data drive. Many of my applications are stored on the SSHD, and Windows does not function properly if the data drive is ...
0
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0answers
19 views

Why do double quotes fail in GNU Privacy Guard?

I'm having some trouble with using full paths in GNU Privacy Guard (1.4.16 on 32-bit Xubuntu 14.04). While gpg -c /home/me/my\ stuff/test.txt and gpg -c '/home/me/my stuff/test.txt' work ...
0
votes
1answer
164 views

Lenovo Ideapad U310 encrypted w/ PGP WDE can't get to BIOS or boot menu

The Lenovo U310 Touch with Windows 7 was encrypted using PGP Symantec Encryption Desktop 10.3.2. Everything seemed to work fine until I used a windows 7 repair CD to restore an older system image back ...
1
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2answers
54 views

Is encrypting the password legal? Not using any hash methods [closed]

I tried to login to my college social network site but I forgot my password so I clicked the "Forgot Password" link then an email has been sent. It stated in that email my username and the super duper ...
1
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1answer
84 views

Integrated Full Disk Encryption for laptops?

I'm interested in a hardware based full disk encryption solution for a laptop. I've never really researched them before, so I'm not sure what to expect. (This is not a shopping list question). I'm ...
0
votes
1answer
906 views

BitLocker vs. Encrypting File System (EFS) on Windows 7

So BitLocker encrypts the entire hard drive, while EFS encrypts individual files. Is there any difference in the way that they implement the encryption? Do they both use your user account password as ...
0
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1answer
141 views

How do I tell if mysql replication is occurring over SSL

We have a SQL server replication in place. I'm trying to ensure that the replication is occurring over secure channels. Given that MASTER_SSL_Allowed is true ("Yes"), does this suggest things are ...
0
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0answers
1k views

How can I use Decryptolocker to decrypt all files in a directory?

I have downloaded Decryptolocker and have the key required to decrypt files. The instructions state to use it as: Decryptolocker.exe --key "<key>" <Lockedfile.doc> How can I use it on a ...
3
votes
2answers
122 views

Should I use a gpg subkey for work (not so secure) environment?

I'm trying to use gpg to encrypt and sign messages, but I use different computers (desktop, notebook, office) so I'm not sure how to manage private keys in those environments. Should I use a copy of ...
1
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3answers
250 views

How to encrypt files under linux for cloud storage

How to encrypt files under linux for cloud storage I am searching for a file based encryption tool, which I can use in Linux (Mint) to store files in google drive. I really like encfs. But since die ...
0
votes
1answer
132 views

BitLocker: Encrypt all hard drives

Since TrueCrypt is gone now, I'm planning in using BitLocker to encrypt my drives. I want to encrypt all hard drives. In my computer, I have an SSD and an HDD. At best, I want to turn on the ...
1
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0answers
75 views

Auto-Decrypt Windows Boot Drive With Truecrypt

Can I auto-decrypt an encrypted Windows 7 boot drive with Truecrypt? Basically, I want to be able to plug a USB flash drive in and have Truecrypt automatically decrypt and boot the Windows drive with ...
0
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0answers
45 views

Linux - Encrypt folder (no kernel modules allowed)

I'm trying to encrypt a folder on the fly on Debian Wheezy or create an encrypted container. The problem is: My VPS provider doesn't allow kernel modules. So far I tried EncFS, eCryptFS, dm-crypt and ...
1
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2answers
99 views

How do I create an encrypted mountable read/write disk image under windows?

I know that in linux and osx it's easy to create a disk image that is encrypted and (given you know the key) can be mounted and you can read/write its content. Under windows there are plenty of tools ...
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1answer
1k views

Break the forgotten encrypted password of excel workbook

i have an Excel 2010 workbook, on which i applied an Encrypted (128 bits AES) password, which i can't remember now, is there any way to remove/reset or retrieve that password or any method to retrieve ...
0
votes
1answer
38 views

How to encrypt a file non-interactively (using a stored private key)

I do not want to run something like gpg -c as it prompts me for a passphrase. I will have cron job that backs-up and encypts some files. I want to pass in a location to a private key (via arguements) ...
0
votes
1answer
651 views

Unable to send pgp key to keyserver

Trying to follow the steps in http://packaging.ubuntu.com/singlehtml/ to create a deb package for some software... I had to start by generating a GPG key $ gpg --gen-key Then upload the public ...
0
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0answers
646 views

How do I decrypt a .XML file if I have the password?

It's a .zip.xml file that I believe to be a spreadsheet. When I open the file in XML editor it returns the name of the file and a long gibberish string. I was given the password key for it, but I'm ...
0
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0answers
56 views

True crypt container issue

I had created a true crypt container in my external HDD but stupidly ticked the "compress contents to save disk space" option from file properties. Now when I attempt to mount my container with true ...
-2
votes
2answers
68 views

send encrypted archive from windows machine to a mac osx user

I want to send a file to a friend by email, password encrypted. On my windows machine I used 7zip and tried zip and bzip2 together with aes 256. My friend on Mac Osx cannot open it. A window shortly ...
0
votes
1answer
94 views

Password protecting SSD drive

I have three hard drives in my computer, one SSD and two traditional hard drives. I just upgraded the SSD, the previous SSD was using TrueCrypt to encrypt it... which worked great. But this new SSD (a ...
0
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0answers
26 views

Html File somehow got encrypted

So my html file that i created at school somehow got encrypted. I put it on my portable hard drive and now I am unable to even open the file up. It says i don't have permission and that it is ...
-1
votes
1answer
54 views

When I bitlock non operating system drive, where does windows store the bitlocker password?

I enscrypt all of my computer hard drive. To descrypt the drive, windows will need the private key. Where does windows store the private key of those drives? On operating system drive? Can I move ...
0
votes
0answers
53 views

Does bitlocker on operating system drive requires password?

I used bitlocker on all of my drive. Usually there is password. If I want to unenscrypt data I will have password. I also enscrypt operating system drive in my laptop. However, I do not remember ...
0
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3answers
312 views

Why very few modern motherboards are equipped with TPM? [closed]

I've heard bitlocker will be so common that microsoft will require every computer to have TPM to run windows 9. Yet I just called gigabyte. Gigabyte says that not one of their motherboard is equipped ...
0
votes
1answer
220 views

Self-signed certs /keys stopped working with Thunderbird upgrade

A recent Thunderbird release (somewhere between 27 and 31) broke my self-signed CA's which were used to vouch for my self-signed keys. I use self-signed certificates for communicating with family. ...
1
vote
1answer
38 views

Truecrypt file RevoveryProblem

I faced a terrible thing,that is when I use virus software to scan my computer(at the same time,I mount my external drive,but I didn't type truecrypt password to open the drive),there is no virus in ...
2
votes
0answers
35 views

How to boot encrypted drive

i have a laptop installed with endpoint security disk encryption. I create a live usb to boot linux, but it doesn't work. Is there a way to boot a usb thumb drive from an encrypted disk? do i need to ...
5
votes
1answer
351 views

How are Ciphers, MACs and Key exchange algorithms negotiated by OpenSSH?

Looking at the man page for sshd_config I see the default list of algorithms for Ciphers, Key Exchange (KEX) and MACs. In my set up, I have selected a subset of these algorithms for use (i.e. I don't ...
3
votes
2answers
131 views

gpg2 - no option to select aes block cipher and outdated use agent?

With OpenSSL, I can select a what type of block cipher to use for encrypting a file. For example, if I want to encrypt a file with AES256 CBC block cipher mode: openssl aes-256-cbc -a -salt -pass ...
0
votes
1answer
50 views

Is it possible to to encypt a USB and not allow anyone to open any file without a password?

Is it possible for me to put any file that I want on a flash drive, without any keys, but have really long passwords, and no body can open any file without the password, even if the USB is unlocked ...
-1
votes
1answer
48 views

what's the difference between public-key encryption and digital certificates?

I've been reading an article on IPsec and it continues to mention public key encryption and digital certificates to authenticate two networks (gateways) or hosts over a network. I know that public key ...