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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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 ...
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1answer
10 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 ...
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0answers
154 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 ...
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0answers
9 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 ...
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2answers
33 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 ...
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1answer
26 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 ...
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26 views

accessing TrueCrypt container contents without root privileges on Linux

Is there a (free/open source) software which can decrypt the contents of a TrueCrypt volume without root privileges? (This excludes any use of sudo or similar mechanisms to increase user privileges.) ...
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13 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 ...
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1answer
33 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 ...
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2answers
44 views

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

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 ...
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1answer
21 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 ...
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1answer
65 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 ...
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1answer
19 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 ...
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0answers
54 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 ...
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2answers
25 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 ...
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2answers
31 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 ...
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1answer
66 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 ...
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29 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 ...
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20 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 ...
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2answers
34 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
84 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 ...
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1answer
16 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) ...
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1answer
38 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 ...
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44 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 ...
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41 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 ...
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2answers
48 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 ...
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1answer
40 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 ...
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18 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 ...
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1answer
36 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 ...
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0answers
35 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 ...
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3answers
61 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 ...
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1answer
39 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. ...
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1answer
29 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
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0answers
28 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 ...
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1answer
71 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 ...
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2answers
45 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 ...
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1answer
42 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 ...
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1answer
39 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 ...
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1answer
31 views

Concerned about using a public key in a class to decrypt resources

I've created a program which stores decryption key in a file, but when I run it, the key is decrypted and stored in a public class where the program can use it in all instances, but I'm concerned ...
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1answer
17 views

Associate specific PGP subkeys with specific UIDs

It seems to me like PGP keys contain a "collection" of UIDs and also contain a collection of subkeys. Moreover, there doesn't seem to be a way to add comments to a subkey. Is there any way for me to ...
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0answers
18 views

Full drive encryption using usb mouse reciever as decryption key

The title says it all. Is there a way to have full drive encryption that would decrypt if my usb wireless mouse receiver was plugged in? Primarily using linux. Have a Windows partition.
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1answer
39 views

Architecture of a USB project - Layout and Encryption

USB ARCHITECTURE – PROJECT This is a planned project I am currently working on. I am just curious about the layout and if this is even possible. Any help would be greatly appreciated; I am fairly new ...
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63 views

Unplugged external drive while Bitlocker encrypting it; now I can't access it

I was encrpyting my external 2TB hardrive using windows 7 bitlocker. While the progress was at 13.05% I accidently removed the cable of the drive. After replugging the cable the encryption process ...
0
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1answer
44 views

SFTP without tunneling?

I am using WinSCP 5.5.5, which gives the user the choice of FTP, SFTP, SCP protocols for remote access to website files. I chose to use SFTP. My questions (indicated in bold numbers): 1. My ...
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1answer
21 views

Kernel-level pass-through method to change file hashes

I'm searching for any kernel-level mechanism that is pass-through and will change file hashes by either encrypting file contents or appending data. The most obvious solution is encryption, but I can't ...
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29 views

Enigmail stopped working: KEYEXPIRED/SIGEXPIRED

Since a recent update I cant send encrypted mail with thunderbird and the enigmail plugin anymore. Whenever I try to send the mail, and enter the passphrase for my key, I get the following error ...
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26 views

Self Encrypting Drive (SED), partition modification?

I have been given a computer with a Win 7 on it and a Seagate ST500LT015 SED drive. I love the idea of have hardware based encryption eeven if having a TPM that does "whatever it wants" is kinda ...
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39 views

Encrypted connection in LAN

I want to established secure (encrypted) connection between four machines in local area network. I'm training on my notebook and virtual machine under VMWare Workstation control, both are with Windows ...
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1answer
60 views

Crashplan: Backing up locally encrypted files

I have a large number(>50GB) of files I want to back up in encrypted form, and I don't trust the crashplan provided encryption for these files. I'm using ecryptfs and doing this in my /etc/fstab: ...
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16 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 ...