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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Thunderbird: SSL/TLS vs. STARTTLS

Following up this question on serverfault "Is STARTTLS more safe than TLS/SSL?" it came up that the question is rather a question about Thunderbird and not about the actual protocols. Also, if you ...
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0answers
57 views

Exactly how does Thunderbird encrypt usernames and passwords?

The more specific the better. I'm wondering exactly what algorithms Mozilla uses to encrypt usernames and passwords for Thunderbird accounts. (located in the 'signons.sqlite' file in the 'moz_logins' ...
0
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1answer
21 views

How to decrypt a file which is not password encrypted

Before flagging my question as inappropriate: I work in France where reverse engineering is prohibited unless if it is for interoperability reasons, which is my case. So, one of my competitor just ...
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0answers
5 views

Encrypt Lightning event invite mails with pgp

I use Thunderbirds/Icedoves Lightning add-on to manage my calendar, tasks and notes. When creating an event I can add attendees and send invitations to them, but they won't use their public pgp keys ...
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0answers
16 views

“Unable to decrypt password” in Remote Desktop Connection Manager v2.2

I can log in as the administrator and access the servers just fine but the problem shows when I try to log as a user - then I get that message: Unable to decrypt password How can I fix it? Doing as ...
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1answer
31 views

Cryptolocker virus removal

I am facing cryptolocker virus problem, I have tried decryptcryptolocker website but it did not work. In the below link you will find an example encrypted file in my pc. ...
0
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0answers
16 views

Encrypting a bootable (Windows Portable) USB drive

I know it's possible to install Windows on a USB flash drive and in theory any PC you plug it into will boot the said Windows install, provided Windows will have suitable drivers for the hardware. ...
0
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1answer
22 views

Decrypting XML Encrypted File

I've been sent a series of files that I need access to, along with a password. Unfortunately, I haven't been told how the files were encrypted. I can see that the encryption process has added the ...
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2answers
1k views

Truecrypt Full Disk Encryption - Bootloader on USB stick/pendrive

I thought about way to hide that I'm using truecrypt on HDD, other than truecrypt built-in decoy-OS feature - it has lots of disadvantages. My idea is simple: Use full disk encryption on my system ...
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0answers
15 views

Encrypting Outlook 2013 PST files

I've done a little research on Outlook PST files, and it's my understanding that the messages in them can be read by anyone with access to the file itself, no password needed to decrypt. Microsoft's ...
84
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7answers
49k views

How can I use encryption with Gmail?

I'm currently reading Cory Doctorow's novel Little Brother which includes a part about encrypted messaging, and even wrapping messages first in my private key and then your public key. I'd like to ...
3
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2answers
145 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 ...
0
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1answer
8 views

Local file encryption and Cloud Services

Been looking at doing encryption of files with bitlocker on Windows 7 but want to have offsite backup. Currently just using Google drive as offsite storage but want to be safer with what is online. ...
0
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1answer
16 views

What happens if i move a file from a Bitlocker drive?

If I move a file from a bitlocker enabled drive/partition to a non bitlocker drive/partition what happens to the file? Does it stay encrypted but unreadable? Does encryption disappear?
2
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1answer
892 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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1answer
18 views

Read-only, encrypted flash drive [closed]

Is there any hardware or software way to make a flash drive encrypted and read-only? I want to give this flash drive to someone, have them be able to open and read files, but not able to copy the file ...
0
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1answer
20 views

How to get GPG working with Outlook 2013?

My OS is Windows 8.1 Update 1 x64. I have Outlook 2013 and just installed GPG4Win (latest, 2.2.2, full version). When I now launch Outlook 2013, I still don't see any UI/options to setup certificates ...
0
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1answer
22 views

Disable extract from archive

I want to compress a file with encryption; but would also like to prevent extraction/saving of the file from archive. In other words, user can only print the file. This is for added security. ...
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3answers
430 views

Excel,word,pdf files got encrypted by ransomware

My MS Office files and pdf files has been encrypted by some ransomware in my pc which was running window XP. I removed the ransomware,formated the OS and put windows 7, but my files are still ...
2
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5answers
8k views

How resistant is BitLocker against brute force attacks on the 48 character recovery key?

I've read this TechNet blog post, but I still can't determine how secure BitLocker is against a malicious user that attempts to brute force attack the recovery password. Is anyone familiar with this? ...
2
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1answer
465 views

How will TrueCrypt work out on JBOD?

I'm thinking of setting up a file server with JBOD (just a bunch of disks). Is it possible to encrypt the entire array of concatenated disks with TrueCrypt and what happens when I need to ...
0
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0answers
16 views

google-drive-ocamlfuse does not upload encfs directory content

I am trying to setup automatic upload of an encrypted directory structure to google drive. To do that I use google-drive-ocamlfuse (grive keeps crashing and is never done), and encfs. First I create ...
0
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1answer
36 views

Can a device that has wifi that does not support WPA connect to an access point configured for WPA via WPS-PBC?

I'm having trouble finding results for the internal workings of WiFi Protected Setup. All I can find is that the PIN method is broken, evil and cracked, and that you should turn off WPS PIN or WPS ...
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0answers
20 views

Truecrypt not enough space for hidden volume error

So I have tried this multiple times with different drives and keep getting this same error. "Not enough free space for the hidden volume! Volume creation cannot continue." I am getting this when ...
0
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0answers
24 views

Is there an AES 256 LUKS encryption option in Fedora? [on hold]

I have certain information on my drive that I don't want anyone (not even me ;) ) to gain access to. I read recently that Fedora only offers EAS 256 LUKS encryption. This just isn't secure enough ...
0
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1answer
20 views

Is there an AES 256 LUKS encryption option in Fedora?

it was suggested that my post (http://security.stackexchange.com/questions/73140/is-there-an-aes-256-luks-encryption-option-in-fedora?noredirect=1#comment120019_73140) would be better if I asked it ...
9
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5answers
11k views

Is it possible to encrypt home folder on windows 7?

Ubuntu and MaxOS has an ability to encrypt home folder in case laptop is stolen. Is it possible to do same thing on Windows 7? I need to encrypt home folder so it will be encrypted and decrypted ...
0
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1answer
39 views

How to demonstrate disk encryption?

I'm having security classes and in one of the works I need to create a fictitious Company and demonstrate one security tool/improvement. I've chose to encrypt one Windows VM with TrueCrypt (AES) and ...
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1answer
23 views

how to strip a subkey from a gpg key?

I am trying to remove the subkey from my OpenPGP key. Here is the current state: gpg> uid 1 pub 3072R/C08D1F4B created: 2014-01-05 expires: never usage: SCEA trust: ...
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4answers
6k views

How to remove Encrypted flag when copying a file from a HDD to a USB drive?

Environment: Windows 7, but applies to other EFS-compatible Windows versions I have a file that is encrypted using standard Windows EFS encryption. When I copy that file to a USB drive using Total ...
0
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1answer
39 views

How to avoid having users enroll for multiple certificates?

I am the domain administrator of my company. Recently one of my clients has re-installed his Windows and received a new certificate from CA, but the key pair of certificate is not same with previous ...
2
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3answers
6k views

Looking for an encrypted, persistent and live Linux distro preferably with Tor [closed]

I am looking for a live linux distro (for installing on a USB flash) that is encrypted and provides anonymity and is also persistent so that I could install apps on it. The best I have found so far is ...
0
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0answers
5 views

Enforce encryption in Outlook 2010 for specific E-Mail addresses

There is a specific E-Mail address which I have to send data always encrypted and signed. I already configured everything, such that the E-Mails get encrypted and signed, but I often forget to turn on ...
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0answers
15 views

How can I verify whether a cloud-based service uses client-side encryption?

I'm thinking of using a fairly new online journalling website (http://www.monkkee.com) for my personal journal. Given the nature of the data being highly personal, I'm extremely concerned about ...
2
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4answers
524 views

How to exchange documents securely (cross platform)

I have to define a way for two parties to exchange a folder (files) securely. Encrypted zip format seems to be the most obvious but I have read some accounts of zip encryption being flawed. So I am ...
3
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2answers
146 views

Send private file to newbie

There are a lot of ways of transfer a file in a secure way, but it's difficult to find a way of doing it which is newbie-friendly. For instance, suppose that Alice wants to send a confidential file ...
1
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1answer
13 views

pgp: using subkey to sign, but should I publicize the fingerprints of both my master key and subkey?

I used gpg to create a key pair. I understand that a master key for signing only and a sub key for encryption only are generated. Following the Debian Wiki, I created a sub key for signing for better ...
1
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1answer
18 views

GPG Symmetric Encryption: No Secret Key

Using gpg 2.0.22 I do the following as user A: A@~: touch tmp A@~: gpg -c --cipher-algo AES256 tmp A@~: chmod 777 tmp.gpg A@~: su -l root -c 'mv tmp.gpg /' Then, as user B: B@~: gpg /tmp.gpg Now ...
0
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1answer
13 views

Import public key (plain text) into Outlook 2010

I have a public key: -----BEGIN PGP PUBLIC KEY BLOCK----- ... -----END PGP PUBLIC KEY BLOCK----- Is there any possibility to use this public key in Outlook 2010, without any add-ins? I know about ...
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3answers
33 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 ...
8
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4answers
15k views

is there a way to stop mac osx disk encryption in progress?

I chose a 1T external drive for time machine and checked the "encrypt backups" option. I thought it will only encrypt the backups, but as it seems it is now encrypting the whole drive which has quite ...
0
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0answers
59 views

DiskCryptor error. Can it be fixed? or what equivalent disc encryption software should be installed? Thanks

DiskCryptor is giving me the error: "Not enough space after partitions to install bootloader. Install bootloader to first HDD track?". Then after clicking YES, I get "Error code: 20" then upon ...
8
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4answers
781 views

Why does encryption not destroy the way networks work?

I've a very basic understanding of how encryption works. My knowledge insofar is that of CCNA discovery level on the CISCO courses (along with a few other things such as Steve Gibson and Leo Laporte ...
2
votes
4answers
4k views

Does anyone know how to encrypt an existing partition in linux while preserving its data

If I have a partition like /dev/hd1 that is unencrypted and want it to be encrypted, but want to keep everything currently in that partition, how can I do that?
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0answers
31 views

File Format cross platform able to handle large files (more than 100 gig)

I have two 1-Terabyte (1 usb 2.0 and 1 usb 3.0) external drives. Can anyone please help me know what to do, I need to know the file Format which is cross platform can read and write in Windows, Mac ...
0
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0answers
5 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
45 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 ...
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2answers
35 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 ...
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votes
0answers
19 views

I Need to provide encryption at rest for a 50GB MySQL instance running on Centos 6.5

I can't use GusterFS because they don't recommend it and Ceph because it's clear they can't guarantee performance. I can't just encrypt certain database objects because it will take too much ...
0
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1answer
17 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 ...