The process of converting encrypted content (ciphertext) into its original, readable form (plaintext).

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16
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6answers
14k views

How do I decrypt a password-protected PDF on OSX?

I have a PDF that requires a password to view. I know what the password is. I frequently open this PDF to print it, and find entering the password each time incredibly annoying. How can I remove the ...
0
votes
0answers
27 views

How to remove Excel password (I know the password) WITHOUT Excel?

Spent about a few hours scouring the net for an answer, but nothing so far has worked. I've tried DOCRECRYPT with absolutely no success, the certificate side of things are broken and there is no fix ...
1
vote
1answer
50 views

How is HTTPS browsing history monitored?

I am researching on how to monitor HTTPS browsing history. I am not a network person, so apologies if I sound ignorant in this issue. I googled the following questions below, but nothing substantial ...
0
votes
2answers
5k views

Paused BitLocker encryption because no longer want to encrypt the hard drive - how do I get out of encrypting?

I'm hoping someone can help. I'm not a techy and can't seem to find the same question already answered. I went to encrypt (using BitLocker) a Buffalo hard drive but after it took about 1 min to ...
0
votes
1answer
43 views

Need help decrypting a Windows 7 system drive with Diskcryptor

I've had my Windows 7 64-bit Professional system drive fully encrypted with Diskcryptor, and now I'm trying to unencrypt it so that I can install several new operating systems. I used DiskCryptor to ...
0
votes
0answers
16 views

How can I decoded Linksys WRP400 configuration file?

I've lost my VoIP provider password, so I want to recover it from my router configuration setting. Now I've done backup configuration file but I don't know encrypted method for this file. Does ...
199
votes
1answer
24k views

I am a victim of the Petya ransomware. Is there a solution to decrypt my disk?

My computer got encrypted by the Petya ransomware. After a long search I could not find a solution other than using file recovery software. This helps a bit, but I am wondering if there is a way to ...
3
votes
4answers
193 views

How to be able to read encrypted files in the future, when the encryption tool is not available anymore?

I back up a lot of my files encrypted, but what I wonder is how to make sure that I will have access to this data in, let's say, ten years, when the tool that I used to encrypt the files is not ...
1
vote
1answer
398 views

Bitlocker decryption not starting

I was about to do a fresh install of Windows 7 64bit on a laptop currently running Windows 7 32 bit with a Bitlocker encrypted 232GB hard-drive with 1.54GB free. I have already backed up all the data ...
0
votes
0answers
55 views

How to decrypt an individual file from a BitLocker encrypted usb

I have a USB drive that I recently encrypted using BitLocker On-the-go, I accidentally deleted a file on it that I needed and so I used recuva to restore the files. The files were in perfect condition ...
-1
votes
1answer
35 views

Decrypt file that was encrypted using a public key created from storagon.com

I recently downloaded a file with BitTorrent application. The file is encrypted. the file name is : AAAAAA.rar.{a key with length of 32}.storagon_encrypted Does anyone know how I can decrypt the ...
2
votes
5answers
5k views

Cannot remove encryption from files on Windows 2008 R2

I have noticed that all of my web application files turned green color, which means they are encrypted. I have never applied encryption to these files. When I right-click the file, then go to ...
-1
votes
1answer
94 views

Centos 7 auto unlock encrypted hard drive

I have a Centos 7 server, and i have chosen to encrypt the hard drive in case someone breaks into my home and tries to read the files on my hard drives by directly inserting them into his own computer....
-1
votes
1answer
158 views

Bitlocker on Windows 10

A year and a half ago I successfully encrypted my external Western Digital hard drive using Bitlocker. After a few days I disabled Bitlocker, so the decryption process started. Halfway through this ...
3
votes
1answer
353 views

TrueCrypt - ran “decrypt” by accident on wrong disk which was not encrypted - how to “encrypt” it back?

basically I had normal, not encrypted disk, which I thought is my truecrypt drive. I booted from TrueCrypt Rescue Disk.iso and selected "Permanent Decrypt my data". It complained about key data being ...
0
votes
0answers
93 views

Truecrypt: Can't decrypt non-system partition after decrypting system partition

I have a very strange problem and couldn't find help anywhere, so here it goes: I have one hard drive with two partitions (C and D) for Windows and everything else, both completely encrypted with ...
0
votes
0answers
86 views

Decrypting Diskcryptor partition on another machine

Encrypted my partition containing my windows installation and also made a boot partition. On reboot, the system wasn't able to boot into windows and didn't even display the password prompt even though ...
0
votes
0answers
656 views

I've upgraded to Windows 10 Home, how can I decrypt my drivers from BitLocker?

Since Windows 10 Home doesn't have BitLocker support (you can unlock drives though), I've decided to use different software. That said, I need to decrypt my BitLocker-encrypted drives. How can I do ...
4
votes
1answer
20k views

Decrypt PGP file using ASC key

I installed the command line version of pgp and I received a .pgp file and its key in a .asc file. How can I decrypt the pgp file using command line and the asc key?
1
vote
0answers
118 views

How to decrypt single file or folder?

In the proces of encrypting the whole drive, an error occured and my drive was broken. I've managed to recover all files. However, some of them were still encrypted. I've tried using TrueCrypt, but ...
1
vote
1answer
224 views

Using GnuPG or ccrypt to encrypt files?

When I encrypt some files (e.g. a folder or a tar-archive) whould you prefere gpg or ccrypt?
0
votes
1answer
544 views

Bitlocker decryption interruption - this disk has one or more errors

I was busy decrypting a drive when there was a power failure. After the power was restored, I was happy to see that the decryption process continued once I turned on the PC. It was short lived, as the ...
1
vote
0answers
39 views

OpenSSL listen and decrypt automatically

I want to design an application to connect my server using OpenSSL and send encrypted data (encrypted with server public key) to specified port on server like 4433. All client using server public key ...
0
votes
1answer
22 views

OS X Mavericks doesn't start decryption after password entered

I'm having some issues with my MacBook Pro. Last week I found the computer with a gray background with a folder symbol with a question mark in the middle. I couldn't do anything with the computer so I ...
1
vote
1answer
2k views

Decrypt sysprep unattend.xml user password

How do I decrypt user passwords that are encrypted and used in Windows 7 Sysprep unattend.xml file? What Encryption method is used in this file?
0
votes
1answer
124 views

External hard drive making noise; Can I eject drive during CHKDSK operation?

Whenever I connect external HDD to my laptop. It shows decryption error and suggest to run chkdsk /r. So this time I did so as per this suggestion. It's taking a lot of time. What happens if I eject ...
0
votes
0answers
194 views

decrypting a dvd and testing that it is decrypted and playing it locally with its menu?

I have a DVD , it may be decrypted. How do I get it to hard drive decrypt it and see if it is decrypted? I have got it to hard drive... I can get VOB files to play(does that mean it is not encrypted?)...
0
votes
1answer
173 views

Speed up Truecrypt decryption with rescue disk

Is there a possibility to speed up the decryption of a volume while using the rescue disk? My Windows crashed and I am not able to boot Windows. Unfortunately the decryption of my 300GB Hard Disk ...
0
votes
1answer
2k views

Android - recover encrypted images

I have nearly 0 understanding of encryption, I just want to recover my old photos. In my old Android phone I used a certain photo-video locking app to encrypt my images. Images were stored on SD card....
1
vote
1answer
2k views

Retrieve/decrypt Windows 7 product key from Linux

I accidentally disconnected my hard drive while it was still running and corrupted my Windows 7 installation; I am now completely unable to boot into Windows. I have tried everything to try and repair ...
0
votes
1answer
454 views

wireshark monitor mode, decrypting capture

I have a network, which has 2 nodes (a phone, a MacBook) both are connected to same wireless network, I know the SSID and password for the wireless network password: mypassword ssid: myssid security: ...
1
vote
1answer
5k views

How to decrypt files encrypted with Crypto Defense, I have the key(s)

I have a client who is a victim of the Crypto Defense randomware virus. Thankfully I was able to find the keys but the thing is I have no idea HOW to use those keys to decrypt their files. So... How ...
1
vote
0answers
140 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 ...
0
votes
3answers
1k 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 ...
0
votes
2answers
1k views

How can I tell if Wireshark has sucessfully decrypted a capture

I have used Microsoft Network Monitor 3.4 in Windows 7 to create a capture file from my wireless g network by setting monitor mode. When loaded into Wireshark I can see the four way handshake and I ...
0
votes
0answers
60 views

Can't view encrypted files in linux

I am working with 2 linus os disks on different drives. I boot from the other and am mounting the LXDE drive that has my encrytped files. I did the command line file recovery and all seems to go well ...
5
votes
2answers
2k views

If I compress a file in a .7z archive with password, is it undecryptable without password?

I'm just curious to know whether or not an encrypted file is really save in terms of decrypting if I compress (or just save) a file into a .7z archive with a password. If I use a strong and ...
0
votes
0answers
1k views

Word 2013: how to decrypt a password protected docx?

I have a word 2013 docx-file with password protection, but forgot the password. This way I can't open the file. Because the content is important to me I'm asking if there is a way to open the file / ...
0
votes
1answer
174 views

Decrypting Windows Encrypted Files

Friend of mine sent me on this little project to save his dad's files. Is there a way to decrypt files from a Windows XP system that was encrypted? I have the drive pulled and would like to access ...
0
votes
1answer
2k views

How Do I Install Outguess Steganography Command on OS X?

My daughter is leaving for a risky foreign country next week, and the country has some limited Internet censors there. I want to provide a way for her to send me secret steganography messages in any ...
0
votes
1answer
179 views

PGP Decryption with plain text key only.

I have been given a gpg file and a plain text key. I was expecting an .asc file. What would the syntax be to decrypt this file with a plain text key. For example: pgp --decrypt filename.gpg keyname ...
5
votes
1answer
9k views

I initiated decryption of my bitlocker drive from Windows 8 recovery prompt. Any indication how long it will take?

Booted into the Windows 8 recovery menu to see if I could decrypt my secondary HDD with the recovery tools. Found that I can do it in the dos prompt there after unlocking the drive. However, after ...
13
votes
4answers
17k views

Wireshark WPA 4-way handshake

From this wiki page: WPA and WPA2 use keys derived from an EAPOL handshake to encrypt traffic. Unless all four handshake packets are present for the session you're trying to decrypt, Wireshark won'...
1
vote
2answers
1k views

unable to decrypt certain files with secret key pgp 6.5.8, any advice?

Ok so I do some stuff for a client of ours that requires me to decrypt some of their suppliers messages, the thing is, something weird happened the other day and I can only decrypt some files with an ...
0
votes
1answer
327 views

Decrypting WPA with wireshark

Hi I want to decrypt my WPA packets which i gathered by sniffing with airodump-ng. The problem is that even after I have the 4-way handshake packets (they are correct) i don't know how to extract the ...
0
votes
1answer
649 views

Why must a machine be decrypted from PGP before it can be reimaged? Or have I been misinformed?

At work we had to re-image several laptops which all had PGP encryption on them. Why is it necessary to decrypt the disk before remaining (using Clonezilla)? Doesn't it just overwrite the entire hard ...
0
votes
5answers
10k views

Is it possible to decrypt MD5 Hashing? [closed]

I was seeing a video on how to hash passwords with MD5 Hashing. After googling on it I found out that Facebook also uses MD5 hashing scheme. Now I was curious to know if we can decrypt the password ...
7
votes
4answers
1k views

Moving from Ubuntu, worried about being able to access my (encrypted) data

I've decided to go back to Fedora after being on Ubuntu for a while. Thankfully I have just done the upgrade to 11.04 so the warning it gave me about it encrypting some things was fresh in my mind, ...
0
votes
1answer
886 views

batch remove pdf password using Acrobat pro 11 or other software

I have thousands of pdf with password encrypted and i want to remove the password in batch process, i tried acrobat 11 pro and created a batch action to remove, but its til prompt me every to enter a ...
0
votes
3answers
262 views

how to encrypt an entire folder and continue moving plain files to the folder?

We have a folder on our server where daily files comes in from a remote machine. Everyday we check if the files came in and if so - we download them to our local machine. There are around 20 daily ...