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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141 views

Create an AES encrypted ISO with Linux and open it in Windows [closed]

I need to create an .iso file in a Linux environment. That iso may be created with any CD-burner software. The cd must be supported in a Windows environment, and by people knowing the password, be ...
3
votes
2answers
160 views

How do I add more passphrases for GPG symmetric encryption?

With GPG I can encrypt file symmetrically, as for example described here: How do I symmetrically encrypt a file using gpg?. On decryption it will show (among other lines): gpg: encrypted with 1 ...
0
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2answers
133 views

programs to push files to remote computer

Objective Have a folder on my desktop, drop files into this folder, this begins a transfer from my computer to a remote computer. if the transfer is interrupted the transfer should resume from that ...
6
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1answer
3k views

How do I fix “WARNING: message was not integrity protected” when using GPG symmetrical encryption?

I've encrypted a file using symmetric encryption like this: gpg --symmetric myfile which results in a file myfile.gpg. Alright. Now let's decrypt the file again: gpg -o myfile --decrypt ...
0
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0answers
113 views

Encryption of Time Machine backup went wrong

I use an (Mac OS - journaled formatted) external Lacie harddrive to back up my Macbook Air via Time Machine (The external harddrive also contain other data besides my backups). The OS is Mountain ...
1
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0answers
52 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' ...
3
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1answer
141 views

How can I encrypt my “users” drive?

I am currently running Windows 7. My User folder is mapped to a different drive then the drive that my OS in installed on. I mapped the users folder to the other drive while installing windows. I ...
1
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0answers
235 views

How do I enable a self-encrypting drive (SED) on Windows 7?

I recently purchased a HP laptop with Windows 7 Pro and a MTFDDAK256MAM-1K12 (https://www.micron.com/parts/solid-state-storage/ssd/mtfddak256mam-1k12) self-encrypting SSD drive (SED). However, I ...
0
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0answers
290 views

TrueCrypt AutoMount on Windows 8

I have Windows 8 installed on one harddrive and have a secondary harddrive installed in my system. The System partition is secured via TrueCrypt with Pre-Boot-Authentication. I would like to secure my ...
0
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0answers
18 views

Uploading passwords for remote access

I'm trying to find the ultimate password solution and right now what looks most promising is pass. It's great for storing passwords securely on my computer, but what I'd like to be able to access my ...
0
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0answers
81 views

Biometric USB key for use with Bitlocker?

I am currently using Bitlocker w/out TPM. In other words I am required to use a USB key. It seems to me that the primary security risk is that a USB key (usually on a keychain with other keys) can be ...
0
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2answers
1k views

Decrypt RC4 in Linux

I'm looking to decrypt RC4 encrypted data. I've tried openssl but it doesn't support my key length of 64 bits (my version only has rc4 and rc4-40). Encrypted data: ...
1
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0answers
522 views

gpg-agent fails with “command get_passphrase failed: End of file” on pinentry

I'm trying to use Enigmail with Thunderbird on Linux. GPG itself is set up, keys imported and I already can use the key management functions (including signing of keys) from kgpg. But Mail encryption ...
3
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2answers
1k views

Locally encrypt Dropbox folder

I would like to encrypt the local copies of my Dropbox files, but not the online versions. I have log on password protection (not BIOS) on my Windows 7 Ultimate laptop but that's easily circumvented ...
0
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0answers
34 views

Any Kind of Script for Automating 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 ...
1
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1answer
669 views

How do I use rar to encrypt files including the file list in the command line?

I know I can do the following below to encrypt the files, but for the life of me I can't figure or find out how to encrypted the file list too. rar a -p rarfile.rar myfiles
0
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2answers
120 views

How to be anonymous & secure in our new online world

Assuming these steps are done, what else can be done to get a maximum of anonymity Use a VPN like ZenMates chrome plugin so your public IP is obfuscated Use an alternative DNS server so official ...
0
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0answers
79 views

Does SMIME encrypt the subject matter?

I've recently acquired an SMIME certificate and installed it in Outlook 2013. I set my brother up to do the same. So I used his certificate to send him an encrypted mail. He had an out of office ...
1
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1answer
164 views

Transparent Linux FS (FUSE or similar) that presents encrypted virtual files from unencrypted physical files?

I have this unlimited online backup solution, which has very few good things to say about it apart from it being free. For instance, though it claims to offer encryption, this seems not to be the ...
0
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0answers
53 views

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?
0
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0answers
244 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. ...
0
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0answers
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 ...
0
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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 ...
1
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0answers
229 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 ...
0
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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 ...
1
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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 ...
4
votes
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.
0
votes
3answers
87 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 ...
0
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0answers
162 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 ...
0
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1answer
274 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 ...
1
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1answer
177 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 ...
-2
votes
2answers
96 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
votes
1answer
242 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
votes
1answer
54 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 ...
5
votes
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, ...
1
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1answer
739 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 ...
2
votes
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 ...
1
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1answer
108 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 ...
3
votes
1answer
150 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
votes
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 ...
0
votes
1answer
120 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 ...
0
votes
1answer
139 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 ...
0
votes
1answer
584 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 ...
-1
votes
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 ...
0
votes
1answer
317 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 ...
0
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1answer
777 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" ...
0
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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
votes
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 ...
0
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0answers
47 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 ...
1
vote
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 ...