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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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 ...
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1answer
55 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
55 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
350 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
238 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
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
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0answers
36 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
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1answer
358 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
134 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
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 ...
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1answer
49 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
32 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
28 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
35 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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0answers
163 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 ...
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1answer
113 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
32 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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0answers
71 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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0answers
68 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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0answers
70 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 ...
1
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1answer
149 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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0answers
24 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 ...
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0answers
227 views

Accessing LUKS-encrypted exFAT partition with FreeOTFE

My computer is setup with dual boot Windows 8.1 and Arch Linux, with the windows partition encrypted with BitLocker and Arch encrypted with dm-crypt/LUKS. (I would have used Truecrypt, but they are on ...
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0answers
78 views

LVM2 Luks Encryption

I have set up LVM2 with Luks encryption on my drive and I have an issue. When I run disk usage analyzer, it shows that total filesystem capacity is 9.9GB and 9.7GB is used. I have a 250GB hard ...
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94 views

Why is the output of this zip file automatically encrypted?

I just downloaded a zip file and extracted it using Windows 7's built-in zip extraction (right-click on zip file --> "Extract All..."). Somehow it resulted in folders that are automatically encrypted ...
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0answers
88 views

Cannot see hard drive after failed Truecrypt decryption

I was decrypting Truecrypt external drive and at 25% it said there was a corrupt data so it replaced it with random data. After that the decryption failed completely. I deferred the decryption and ...
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1answer
80 views

How can I keep my gpg private key on removable media in Windows?

I use GPG through Cygwin on Windows. I don't want to store my key on my laptop as a convenient file for a casual tech-savvy thief to grab if they steal the machine, so I'd like to keep it on a USB ...
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0answers
239 views

Self Encrypting Drives - is it possible to bypass ATA password?

I am using TrueCrypt but I want to buy SSD with SED, it's Samsung 840 Evo. After firmware upgrade it "supports advanced data security features(TCG/Opal and IEEE 1667)". If I set ATA password, would ...
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2answers
30 views

Do I have to export public GnuPG keys as well when exporting the private ones?

I created my GnuPG keys. They show up in my keys repository. Now I want to export my secret key and import it into another computer so I could use it on that computer (for example my laptop). Do I ...
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0answers
133 views

TrueCrypt partition will no longer mount

I am hoping for some advice to help me out of my situation, with luck. I have a computer running Windows 7 Ultimate x64 with 3 hard disks installed. On my 2TB hard disk 2 (non-system disk) I have 4 ...
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1answer
22 views

Undo system encryption windows 7 [duplicate]

I have formatted my PC that had windows 7 on it. Before the formatting I have backed up my information. Now, when I try to access it I encountered a problem: I have encrypted the files using windows ...
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1answer
139 views

Why is the FSF's GnuPG bot “Edward” unable to decrypt my encrypted emails?

I am facing a problem when attempting to send an encrypted email via Enigmail (Thunderbird) in Ubuntu 14.04. I was following the Email Self-Defense guide https://emailselfdefense.fsf.org/en/ ...
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1answer
56 views

Why can`t we treat SSL Certs like Pgp keys instead of trusting CAs? [closed]

I am dumb and stupid and I do not know all the technical aspects of SSL and server/client side implications and implementations. However I understand them good enough from user point of view to use ...
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0answers
14 views

Deleted part mapped to /home, how to map the new one (LUKS)?

I have 2 disks on my computer, on each I have a partition for a Linux Mint 17 installation. Both encrypted using LUKS. The other day, I deleted the partition mapped to /home. Now, I created another ...
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0answers
229 views

Crossplatform encrypted file containers [closed]

Since the sudden (and strange...) stop of TrueCrypt, I am looking in vain for a cross-platform (Windows/Linux essentially) encryption software that manage file containers (or equivalent) in a similar ...
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0answers
42 views

Can I change SSD encryption password once I set it?

So I have this toshiba notebook and the specification only states the capacity of the SSD and says nothing about the type. I do not particularly understand the difference between a user and a master ...
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0answers
57 views

How do I know if the drive in my notebook is an eDrive and thus uses bitlocker with no performance drop

I have this Toshiba notebook and the specification only states the capacity of the SSD and says nothing about the type. It supports some hardware encryption via BIOS and via proprietary Toshiba ...
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1answer
209 views

automatic file encryption on NFS or RSYNC for remote incremental backup?

What solutions should I be looking at to allow an incremental backup via rsync over nfs4 to allow files to be encrypted on the backup host? I have zero control over the backup host's software so the ...
2
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1answer
260 views

Green files won't copy

I have a number of files in a folder that I want to back-up but Windows 7 won't let me. It says Access Denied. I was able to remove the green colour (encrypted) from the parent folder but trying the ...
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1answer
104 views

Make browser and server use the eNULL SSL/TLS cipher

Is it possible to make a browser and a web server use SSL/TLS (https) with eNULL cipher for debugging purposes in a development environment (e.g. wireshark capture without setting up SSL stream ...
0
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1answer
89 views

How does crashplan encryption work?

I am considering using CrashPlan home cloud backup with the "archive key password". At the top of the archive encryption key security page it says the data is encrypted before it is sent to the ...
0
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1answer
153 views

How can I decrypt a VPN pre-shared key?

I have a windows 7 *.cmp file which contains an encrypted pre-shred key in it and I also know the pin-code for it. [Profile Format] Version=5 [Connection Manager] CMSFile=xxx\yyy.cms ...
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1answer
1k views

Truecrypt Password Problem, Have Recovery Disk

I am trying to log in to a laptop that has not been used since the end of last year. The laptop has Truecrypt 7.1 along with Windows 7. I am 99% sure i am using the correct password. On entering the ...
0
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1answer
209 views

Recover the ISPConfig 3 passwords

I have a backup of the old ISPConfig database. There are tons of email accounts and their aliases. I need to add them manually to the newer version of ISPConfig (this database is not compatible with ...
0
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1answer
31 views

Cant copy an encrypted files after formatting a laptop [duplicate]

I have questions.... why i cannot open my encrypted files after i formatted my laptop..? I made a back-up in a flash drive, then when i can't copy that file on my laptop... what should I do?? is ...
0
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1answer
67 views

Does TrueCrypt offer error correction or file redundancy?

I am interested in using OS encryption when I reformat my PC soon. I am afraid of transfer errors and what happens if the disk is not dismounted properly (such as BSOD or other crash, or physically ...
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0answers
41 views

Accessing a truecrypt volume from a different computer

I made a truecrypt hidden volume on my windows 7 computer. And when i plug my flash drive into my windows XP machine. and load the drive. It doesn't accept the password even though i checked the ...
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0answers
38 views

How to encrypt secondary hard drive without needing to type the password all the time when logged in on linux?

I have a notebook lenovo w520, with second HDD instead of DVD-ROM. I would like to encrypt this whole drive (there is only one partition) But as soon as I am logged into my ubuntu 14.04 with my user ...
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0answers
78 views

How to add an existing encrypted vHDD to a new virtual machine?

I am using VMware workstation with encrypted virtual hdd-s. I tried to use one of the vmdk files as an hdd on another virtual machine, but when I try to add it as an existing disk, I get the following ...
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3answers
807 views

TrueCrypt Failing to Decrypt External Hard Drive after changing Enclosures

I have a 4TB external hard drive that was previously encrypted using TrueCrypt. The power source on the hard drive enclosure failed, so I had to switch the hard drive itself into a new enclosure. I ...