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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What is the difference between openssl ciphers -v and openssl enc

Why doesn't the ciphers -v list include all the ciphers as found in openssl enc (ex: bf-cbc). Is openssl ciphers only SSL/TLS type ciphers?
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236 views

In Thunderbird how can I use an S/MIME client certificate if it doesn't match my primary account name?

In my Thunderbird settings I have a number of email addresses @domain.tld. My email provider, however, is @domain2.tld and in order to send emails from the @domain.tld I connect to my own SMTP server. ...
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53 views

Automated Script for Bitlocker?

Is there a script or program of some sort to remove bitlocker from a large number of machines? Say for example I have 5 machines PC1, PC2, PC3, PC4, PC5 - instead of removing bitlocker from all five ...
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2answers
5k views

Strongest Encryption and Hashing Algorithms Today [closed]

Basically, I want to know what the strongest (hardest to break) encryption algorithm today is. The same goes for the hashing algorithm. Let's say I pick a super-strong password too (bonus: how long ...
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224 views

Move /home to a new HDD encrypt it with luks

as I'm getting more into linux, I'd like to make a few changes to my setup which seem pretty advanced to me. But first of all let me explain my setup so you know with what you are dealing with. This ...
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0answers
8 views

Is there a scheduled ecnrypted message relase service online?

Is there a service where I can encrypt a message, and is not released until a certain date? For example, if I want to write a message that cannot be read until next January 1st i'd do: Go to this ...
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2answers
1k views

Can I encrypt my OneNote 2013 notebooks on SkyDrive?

I'm a big fan of OneNote 2013 including the sync function, however I have privacy concerns using Microsoft's Skydrive cloud. Is there a way I can encrypt my notebooks before they are sent to the ...
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1answer
130 views

What files from the /boot partition, in addition to the MBR, must be hashed in order to detect an “evil maid” attack against LUKS-encrypted Linux?

Are boot.img, initrd, and vmlinuz adequate or should the entire contents be hashed? I am not familiar enough with the Linux boot process to answer this with confidence myself.
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3answers
86 views

posting public key on website [closed]

Should i put my public key on my website so that people can securely contact me. I have seen personal sites where there public key is at the bottom of the page, how should i include the key in my ...
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0answers
151 views

Bitlocker asks for recovery key and starts automatic recovery

I installed BitLocker about 2 months ago. It is a Toshiba Satellite C855 which does not have a TPM chip. Rather, I went through the group policy and allowed bitlocker to be used on a machine without ...
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1answer
269 views

Bitlocker corrupted, missing volume, now 3TB drive is a 768GB drive

Even after Bitlocker had completed encrypting the drive, I restarted the next day, and the drive didn't mount or even show as a Bitlocker drive. Now it shows the capacity as 768GB (3TB drive). And ...
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1answer
169 views

Signature Verification using OpenSSL

I have been experimenting with OpenSSL and OpenSSH and I have been unable to sign and verify using RSA key pairs. I did the following Generated key pairs: $ ssh-genkey -b 2048 -t rsa ...
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2answers
95 views

Share files on USB or CD that expire/limit access after 90 days

I'm looking for a software that will allow me to distribute files on a USB stick (or CD/DVD also a possibility) that will lock the information after a determinated number of days. It would be nice if ...
3
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1answer
237 views

How do I use gnuplot to create a 3d phase-space plot?

Have a look at this webpage - enclosed but not encrypted For a three-dimensional phase-space plot, the sequence a, b, c, d, e, f, etc. can be used as space coordinates (a-b, b-c, c-d), (b-c, ...
3
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1answer
51 views

How are encrypted Word documents stored?

I know that Microsoft Office files are basically just ZIP archives with a different file extension that contain XML files. However, when you select the "Encrypt with a password" option how are they ...
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1answer
1k views

How can I use GnuPG with ECDSA keys?

I'd like to generate an ECDSA (rather than RSA, DSA, or ElGamal) key using GnuPG, and use it as I might otherwise use an OpenPGP-compatible master key. I've read that gpg2has support for ECDSA keys, ...
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1answer
698 views

What is $1$ level encryption in crypt (/etc/shaddow)

The first character after the user name in /etc/shaddow, is the type of encryption used. http://www.lamolabs.org/blog/10670/how-is-my-password-stored-in-linux/ So: $5$ means SHA256 $6$ means ...
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3answers
50 views

Secure network mounts?

I have a large-capacity file storage server ('Storagebox') which other systems mount to to access certain files. One of these systems ('Securebox') is 100% managed by another person and I have no ...
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1answer
106 views

Record VPN/encrypted packets/ Internet Privacy

I am more interested in an answer to the above question for my own privacy. I am curious how secure using a VPN is, especially on a larger or public network. If you know someone is monitoring the ...
2
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1answer
143 views

gpg decrypting multiple files in one stream

I would like to decrypt several gpg encrypted files in one single stream to be piped to another command without any temporary file. $ cat foo1.txt.gpg foo2.txt.gpg | gpg -d | wc -l will count only the ...
2
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1answer
2k views

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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1answer
115 views

Thunderbird + S/Mime, Ecnryption Selection?

As can be seen here and here, Thunderbird does not offer an option to select a more modern encryption algorithm than 3DES when sending S/MIME encrypted mail. Is there any way to change this by using ...
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1answer
126 views

Activate local logging of OTR chat sessions in Pidgin

I am Using Pidgin with OTR-encryption on Linux and Windows but those encrypted chats are not logged in my chat history. Is it possible to activate the chatlog for chats, that are done with ...
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0answers
32 views

Encrypted File Corrupted Extension

Recently i have installed New SOftware Folder Lock 7. SO i have encrypted the files inside where it will open the encrypted in virtual drive. Recently after scan my computer using antivirus, the ...
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1answer
554 views

Should I encrypt a hardware RAID5 on my homeserver? How? [closed]

For my homeserver, I am planning on getting a RAID 5 with four 3TB drives (9 TB usable space). Now I am wondering whether I should encrypt this RAID. The danger of someone getting physical access to ...
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2answers
2k views

How to protect a folder from being copied to USB, DVD, Internet, etc? [duplicate]

Sort of FBI stuff, but how can I encrypt and prevent users from the ability to copy/move files in a directory to outside the computer? I mean, the program they use reads/saves data into this ...
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1answer
314 views

Deduplication efficiency with TrueCrypt File container and crashplan

I have a 100GB truecrypt container file (among lots of other things) that I am backing up with crashplan onto an external HDD. I have disabled "Preserve modification timestamp of file containers" so ...
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1answer
734 views

Export gpg to p12 under windows

I'm using gpg4win and I'm trying to export my gpg private key to a p12 format (to import it in Lotus Notes). According to my understanding I need to: gpgsm.exe -o "XXXXXXXX_private.p12" ...
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1answer
102 views

How to rebuild the gpg web of trust when all keys are expired?

Long story short, one of my machines hasn't been updated for a while, and the gpg keys it has for key servers and apt repositories have all expired. If possible, I would like to restore them to a ...
7
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3answers
3k views

What is the correct cipher name for RC4 in Chrome?

I want to remove RC4 from Google Chrome and found the commandline option --cipher-suite-blacklist. However I wasn't able to figure out what the correct notation for RC4 is. Whatever I tried so far ...
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46 views

Scan for Unencrypted Data

I need a program that scans for unencrypted files. The files are encrypted with PGP, GPG, and WinZipAES256, so the program needs to be able to recognize these formats as encrypted. Since I need to ...
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1answer
6k views

How to create a cross-platform traveler disk with TrueCrypt

I need to create a file-based TrueCrypt volume in a 32GB USB pendrive. If I wanted to access my files in offline computers, I'd need to include the TrueCrypt executable in the pendrive as well. I'd ...
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1answer
249 views

In Mutt, how to extract key from a S/MIME signed message to reply encrypted?

I have a certificate signed message in my inbox. The public certificate of the sender should be available there. How do I extract and use it to send back an encrypted message? Note: I configured GPG ...
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0answers
45 views

Hide (Encrypted) windows installation under Linux

I've got a PC running Linux (Ubuntu, in case it makes any difference). I want to install windows (Seven) to a hidden-encrypted partition on that drive. So on boot-up i have a selection screen : 1. ...
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2answers
349 views

Looking for a way to compress, encrypt, split, and upload data on Linux for backups to multiple clouds

As the title says, I'm looking for a way in Ubuntu/Linux to compress, encrypt, split, and upload data for backups across multiple clouds. I have grabbed multiple cloud accounts for free ranging ...
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2answers
214 views

Keeping config files synced in an encfs-encrypted dropbox

I using my Dropbox to sync my config files on different machines. In addition my Dropbox is synced with encfs. encfs mounts a volume with the decrypted Dropbox-folder on startup. This process takes a ...
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3answers
77 views

Windows Encryption Software that is for files, not drives? [closed]

With TrueCrypt I can create an entire volume and put files into there. However with regards to syncing on other devices or the cloud, this become problematic because if one file changes bam, ...
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2answers
697 views

TrueCrypt: In-place-encryption with re-use of original drive letter possible?

I want to encrypt a non-system partition with TrueCrypt in Windows 7, and I would like to re-use the previous drive letter. Is this possible? The TrueCrypt documentation is not really clear about ...
1
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1answer
4k views

Wireshark on WPA2-PSK [AES] not decrypting

I am trying to capture all packets on my network from all devices connected to an SSID . I started up airmon-ng Started Monitoring on mon0 Changed Preferences in wireshark to 'enable decrytion' ...
3
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4answers
195 views

What anti-keylogging programs can you use when using public PCs

Are there anti-keylogging programs that can keep you safe while you are using a public PC terminal? Do they exist and what are these? I like to know that I am safe when entering data on a public PC ...
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5answers
4k views

Windows 7 startup repair with Truecrypt

I have many computers encrypted with Truecrypt 7.1a (current version) with the whole drive encrypted. Today one of them shows the Windows 7 splash screen for a moment and then goes into startup ...
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1answer
760 views

How can I find out what is changing my wireless encryption from AES to TKIP automatically?

I have a wireless connection using WPA2-Personal as the security type, and I've set the Encryption type to TKIP. However, without my intervention, the encryption type will change from TKIP to AES, and ...
1
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1answer
336 views

eCryptfs - is the wrapped password the only thing I need to decrypt encrypted files?

I have a standard setup created by ecryptfs-setup-private. I've tried to figure out if the (unwrapped) wrapped passphrase [UWP] is the only thing I have to worry about (except the encrypted files ...
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1answer
58 views

How to encrypt 3 drives on linux?

I have 3 x 3TB drives and a linux computer and i want to use the space as "one" drive for music, movies, and pictures (home server). In Addition the stored data should be encrypted. I do not want to ...
4
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1answer
625 views

How can I encrypt the swap file under Windows 7?

Mac OS X has the ability to use "secure virtual memory", meaning that anything from RAM that is swapped out to disk is encrypted. This improves security by making sure no passwords / keys are ever ...
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0answers
217 views

How to encrypt rsync communication? (rsyncd + stunnel, vs rsync over SSH, etc)

I don't know much about the specifics of rsync, SSH, stunnel, etc, but I'm looking for a way to make rsync backups, but the transfer of data over the network must be encrypted (the credentials, and ...
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1answer
139 views

How to recover a truecrypt container from a corrupt NTFS drive

On my external HDD which is formatted in NTFS I have a truecrypt container. I plugged my drive in today and windows gave me an error that I need to format the disk. How would I go about recovering my ...
2
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1answer
324 views

Encrypting a folder

I'm familiar with bitlocker, having been using it for a while, but I am looking at just encrypting a folder instead. But I just don't understand the options it's giving me ... When i right click a ...
4
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1answer
181 views

Edit a file through an on-the-fly encryption stream in Unix

Okay this is a weird sort of question. I might get down-voted for being stupid here. I'd like to be able to edit an encrypted file, but without having to manually decrypt it to a location on the ...
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1answer
49 views

If I move an encrypted file from NTFS to HFS will the encryption be removed?

Trying to move encrypted files from one File System to another, assume equal credentials. I understand that since FS such as FAT do not support encryption the encryption would be dropped upon file ...