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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After formatting my PC bitlocker won't ask for a password to access external partition

I used Bitlocker to encrypt one partition of my removable hard drive. I definitely remember my password but I don't have the recovery key. I had to format my computer and now when I try to open the ...
2
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2answers
9k views

How can I break or get around the encryption on my WD My Book Essential (Smartware)?

I have a WD Western Digital My Book Essential 1TB Hard Drive which comes with WD Smartware software. I had put a password in it without a hint and now I have lost the password. This hard drive use 256 ...
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0answers
12 views

Reasons for 2 strange full disk encryption differences between Nexus vs Samsung [migrated]

1) Nexus full disk encryption is irreversible (unless of course you do a factory reset) but Samsung's has an option for decryption. 2) After encryption, Nexus can be unlocked by any option ...
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2answers
30 views

Bypass/Disable BitLocker

I am using a laptop with BitLocker Encryption turn on. However, my keyboard is damaged and I cant enter certain characters which are used as my password. I have the BitLocker Recovery Key with me ...
6
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2answers
1k views

if one doesn't care about protecting a gpg secret key, is it still as secure as using gpg --symmetric?

Each of Alice and Bob is using gpg just to protect his/her own personal files and not using it as a way to send encrypted text to others. Alice has generated a key (gpg --gen-key) that she uses to ...
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0answers
18 views

Does Western Digital Hardware encryption works at the time , in dying stage of hard disk drive? [on hold]

Does Western Digital Hardware encryption for it's external drives, works at the time , in dying stage of hard disk drive ? i.e. when the hard disk is on the verge of about to die (in the later dying ...
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3answers
83 views

Is a Bitlocker encrypted drive safe to dispose?

Based on the nowadays public knowledge about the strongness of the Bitlocker encryption - and supposing the user thinks the Bitlocker password is strong enough to make bruteforce unviable with the ...
3
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1answer
54 views

How to retrieve RSA private key from wrapped key blob?

I have generated a pair of RSA keys on a smart card with OpenSC tools and retrieved it as wrapped key blob encrypted with DKEK key: sc-hsm-tool --create-dkek-share dkek/dkek-share-1.pbe sc-hsm-tool ...
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1answer
13 views

Using OpenSSL library to convert .key encoded to .pem

I created a C program that takes in an encrypted file (encrypted.key) file and a public key to decrypt the private encrypted encrypted.key. However, my program only works when taking in two files that ...
3
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0answers
64 views

Is this a ransomware?

I just got this window on my main computer: Apparently, it's from Windows. I checked, the process EXE file is the original one (efsui.exe or something like that). But the thing is, I don't use EFS ...
29
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6answers
32k views

How to list encrypted files in Windows 7?

I somehow encrypted some files without meaning to, and because of it I can't backup my user folder to Mozy. Is there a way to remove the encryption from all the files or at least find out which one ...
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0answers
12 views

Why does GPG require you use redirection to handle large archives?

A problem a lot of people have run into with GPG is that if you try to decrypt a large archive with, e.g., gpg --decrypt archive.gz.gpg > archive.gz you may receive an error such as gpg: fatal: ...
9
votes
3answers
771 views

Enigmail cannot communicate with gpg-agent

I've been using Thunderbird + Enigmail for years. I'm currently using Thunderbird 38.5.1, Enigmail version 1.9 (20160223-1641), and GPG 2.0.26 in my work PC (Ubuntu 15.04 64-bit, w/ Gnome Shell). A ...
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0answers
10 views

How can I lock a file for a period of time?

I would like to lock a file so that it cannot be accessed for a period of time. At the end of the time, I should be able to access the file normally. Is this possible?
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2answers
4k 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 ...
2
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2answers
53 views

Router wifi password encryption types and why do they matter?

up until now i've just been blindly following articles etc. to set my router's wifi password encryption type to WPA2-PSK/AES, but what does it really mean for me? does this just make it harder for ...
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0answers
17 views

rsync-like encrypted synchronization solution

I'm looking for a open source (or at least trusted free) solution which would allow me to make file synchronization on 5 devices together (running different version of Windows & Linux). However, ...
0
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2answers
66 views

Does Anti-Ransomware software work?

Both malwarebytes and bitdefender have created Anti-Ransomware software. Its principle should be just stopping any encryption happen in files. Does the software work and make it much safer?
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2answers
33 views

Convert/Encrypt Office 2003 Documents

We have a large number (1000s) of old Excel 2003 spreadsheets that we need to encrypt. The encryption in Excel 2003 is outdated now so we would like to update the files to 2010 format and then ...
1
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1answer
33 views

Some kind of “encrypted” QR codes?

I'm looking of some kind of solution that enables me to print some kind of "encrypted" QR codes, so scanning of it with regular QR-code reader will display non-sense, but scanning with some "special" ...
0
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0answers
17 views

How to change passphrase of Debian encrypted partition?

After using an encrypted partition with Debian Luks for some time, now the correct passphrase is no longer accepted. How to change to a new passphrase ? Do I need to encrypt the partition again? I ...
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0answers
17 views

Decrypt Files From Old Computer - Windows 10 [duplicate]

I just bought a new laptop. It came with Windows 10 Home 64 bit. So, it's not an upgrade. My old computer (which is no longer accessible) was a Windows 7 computer. Unfortunately, there are a couple ...
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1answer
3k views

Truecrypt password proble m, 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 ...
2
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3answers
18k views

Windows 7 Encrypt Folder with Password

First of all, I am not on Windows 7 at the moment but will be in the next few days. I'd like to know if there is a way for me to encrypt a folder to prevent unwanted access, but still provide ...
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0answers
21 views

Re-locking BitLocker encrypted drive WITHOUT a drive letter

The operating system is Windows 7 Enterprise. I have an encrypted NTFS drive mounted at C:\mount_point. I successfully encrypted it with BitLocker GUI (in control panel) and can unlock it with ...
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1answer
23 views

Best option to have an encrypted and password protected folder on Windows 8.1 [closed]

I want to have a personal folder on my office desktop secured by a password. What is the most reliable and convenient option.
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2answers
2k 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
28 views

Remove encryption setup on a lvm/luks partition

On my linux machine, I have setup disk encryption using lvm/luks. However later I delete one of the partition and format it to NTFS in order to use it on Windows (as I have dual boot linux/win10). ...
0
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1answer
36 views

Encrypting like BitLocker

Is it possible to encrypt like bitlocker? I've been playing with a lot of other disk encryption software but requires a password after BIOS. As a remote support company, we need to be able to reboot ...
1
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1answer
33 views

Decrypt and Forward

I have a Ubuntu machine running SSH, I need to forward the incoming traffic to another machine over a secondary Ethernet adapter (IE eth1) after it has been properly encrypted: something similar to ...
3
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1answer
78 views

Git can't invoke gpg-agent to sign commits

I have Git 2.8.1 running in Ubuntu 15.10, and I've set it up to GPG sign all of my commits using my keybase key. It used to work well. At one point, I'm not sure what caused it, I started getting ...
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0answers
26 views

Why does Windows 10 fails to boot (making the disk useless) after full disk encryption?

Premise: I tried what I'm explaining multiple times with the same results. I'm using an Asus T100TA. I disabled Bitlocker and tried DiskCryptor to encrypt my Windows 10 disk with AES encryption, set ...
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2answers
447 views

How to mount an old encrypted disk on Ubuntu

I've got an old hard disk, containing an encrypted partition with a file system on it. It was created (and used) several years ago, the way it was done back then was using losetup with the twofish ...
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0answers
33 views

Is it possible to have a HDD with Windows 10 and a Linux fully encrypted with VeraCrypt?

So I'd like to set up a multiboot system on my 4TB hard drive with Windows 10 64bit and a Linux distribution such as Debian and fully encrypt it with VeraCrypt. Is this possible? And if so how?
3
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2answers
25 views

Can the SAM database be encrypted with EFS to prevent offline password cracking?

Is it possible to EFS-encrypt the SAM database to prevent offline password cracking? Would it have to be encrypted as the SYSTEM user?
1
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1answer
13 views

Convert a public key to GPG readable format

For a backup scenario, I want to peform asymmetric encryption of the data. For this I'm using duplicati (2.0) paired with GPG. Now I have a smartcard (PKCS#11 / CSP interface via OpenSC) on which I ...
31
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2answers
13k views

How to use ssh-rsa public key to encrypt a text?

So, the scenario is: Given I'm Bob, I want to encrypt some message for Alice. The only public key I have is her ssh-rsa id_rsa.pub like this: ssh-rsa ...
1
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2answers
4k views

7-Zip command line -p switch is not working according to the help page

I want to be able to automate the encryption of the file type .pcapng in a Windows batch script. My current problem is that I get an error when extracting the encrypted file saying something along the ...
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0answers
19 views

Which windows services are ok to: SC Type= own?

Looking at the best answer to "How to find memory usage of individual Windows services" posted on Server Fault it looks like SC Config ServiceName Type= own is the best way to 'split-off' services ...
3
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0answers
99 views

How can I safely remove an RSA 4096 ransom-ware virus?

My dad's computer got infected with an RSA 4096 ransom-ware virus. For those who don't know it is a virus that encrypts all the files on your PC using an RSA 4096 encryption key. Then you need to use ...
0
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0answers
9 views

Split access db password error

I have a split access db, while not ideal there is good reason for doing so. I haven't had any linking issues between the front and back end until recently. Now when I try to link the front end and ...
0
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1answer
67 views

Is there any way for unencrypt .locky files?

I would like to help to my friend. She opened a email, and after that, all files is transform to some encrypt format on she computer. Every image, document extension replaced by .locky. Now, after ...
0
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0answers
26 views

WhatsApp end-to-end end encryption

I went through WhatsApp Security White Paper which talks about how WhatsApp end-to-end encryption is achieved so that third party and even WhatsApp can't decrypt a message transmitted between sender ...
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votes
2answers
45 views

Could someone explain what this error about?

Test connection ([Triatin_SALESBANK_SFTP_Receive_Triatin], [SFTP Receive]) failed with message: Unable to logon[user: ****] into target server [***********:22] via SOCKS proxy ...
13
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5answers
17k views

How does Google Chrome store passwords?

Are they encrypted in disk? How? Are they safe, for example, in the event of someone booting from a Live CD and mounting the hard disk? How is the encryption key generated? Is it different in ...
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0answers
21 views

Unencrypt an SD card from a .key file

First of all, I'd like to apologise in case I asked this in the wrong place. I didn't think that this question was advanced enough for the Cryptography site, and not security-related enough for the ...
0
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1answer
3k views

Can't unlock disks encrypted with Mavericks after upgrade to Yosemite?

I have 2 (microSD) disks encrypted under OS X Mavericks. I didn't use FileVault 2, I just used normal "Encrypted Logical Partition" from Finder with a complex password which was not saved in Keychain. ...
0
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1answer
10 views

Is there a setting in Outlook that enables encryption for **some** messages?

The support page describes how to encrypt one message and how to encrypt all messages. However, I'd like to encrypt some messages, based on certain conditions (for example keywords, attachments, ...
0
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1answer
46 views

Sniff wireless (Wi-Fi) traffic with Wireshark

I have a wireless card (ALFA AWUS036H) in monitor mode (with airmon-ng start wlan0) on my Debian machine. In Wireshark, in "capture options", all my interfaces are in promiscuous mode. The test ...
0
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0answers
18 views

dd/cat luks lvm on drive that has larger total size (partition plus trailing empty space) into smaller drives that can hold said luks lvm?

I have three drives, 256gb, 128gb and 120gb. My encrypted LVM is 115gb in size. In a gui disk utility, it shows that I have trailing space after the encrypted partition, but I'm not sure if the ...