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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14 views

GPG keyserver says my key is not public

I have created a GPG key with gpg --gen-key, accepted all the default options. I do gpg --list-keys and receive: C:/Users/Myname/AppData/Roaming/gnupg/pubring.gpg pub 2048R/B296038B 2015-11-10 ...
2
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1answer
124 views

Can files be recovered from a disk encrypted with FileVault?

I formatted a USB stick that had an HFS+ partition encrypted with Apple's FileVault. This seemed like a good idea at the time, but now I would like some of the data back. The drive was not ...
1
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1answer
46 views

Encrypt multiple partitions (different OS)

I have a disk with multiple partitions: Windows 7 (one partition ) Debian 8.2 (3 partitions : root / + /home + swap) I'm using Grub 2 for dual booting. I want to know the best way to encrypt all ...
2
votes
1answer
109 views

Trying to mount encrypted file system failing

I had created an encrypted file system using the following commands: # dd if=/dev/zero of=/opt/vol # losetup -e aes /dev/loop0 /opt/vol Password: # mkfs.ext4 /dev/loop0 The above device was mounted ...
1
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1answer
29 views

GPG keys for mailinglists

There are two mailing-lists (e.g. list1@foo.bar and list2@foo.bar) for which I'd like to generate GPG keys and send the respective private keys to the members of the lists, so mails to the lists can ...
-1
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1answer
82 views

Corruption of a TrueCrypt file

Dear superuser people, this is my first question on the site so if I'm doing something wrong I apologize in advance :-) I've been using TrueCrypt for a few years now, not knowing they stopped ...
3
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1answer
97 views

Does Windows 10's BitLocker need special hardware support?

Does Windows 10's BitLocker need special hardware support or can I expect it to work in any computer (such as Mac Book Pro)?
0
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1answer
124 views

Why does duplicity require the GnuPG passphrase when rotating backups?

I am using duplicity 0.7.05 to periodically backup a directory that resides on a Linux system, using a GnuPG key pair with an encrypted private key. Since the public key is not encrypted, the ...
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2answers
244 views

Outlook refuses to send email with non-matching address in cert

I am unable to send an encrypted email to someone for whom I have a valid certificate, but they recently moved to a new company. Outlook is refusing to encrypt the email because the email address ...
1
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1answer
16 views

Did I lose my GPG data?

I copied my GPG data from another computer by just copying ~/.gnupg/* to an external drive. I can't quite figure out where this leaves me. I'd read that this works, but can't figure out how to get it ...
0
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0answers
183 views

Veracrypt volume automatically dismounting after a few minutes

I have an external backup hard drive encrypted with VeraCrypt. It mounts fine, but after only a few minutes, even if I'm in the middle of copying something over to the drive, it auto-dismounts. I am ...
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0answers
208 views

AES encryption with plain text key using bash openssl

I am trying to encrypt a string using AES CBC. The output of the online tool (http://aes.online-domain-tools.com/) and the bash openssl command do not match. Can anyone help me with what I am doing ...
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0answers
26 views

Can I encrypt a drive from a TrueCrypt rescue disk?

I have a PC with 2 TC (TrueCrypt) drives (C and D), same password. The C drive (system drive with Win 8.1) was going bad and I couldn't start Windows anymore, so I started to do a lot of things on it ...
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1answer
32 views

BitLocker and Active Directory

I routinely bring in my encrypted file drive to work, but the IT department seems rather incompetent here. The security policies are very lax, and I'm paranoid about the domain controller being hacked ...
0
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1answer
25 views

Looking for suggestions to bridge a non-internet network to a internet network

This is kind of complicated...or not I am not sure yet. I have a isolated non-internet network(LAN2) that I use at work for data security. I have a sponsor who would like access to said network(LAN2) ...
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0answers
68 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 ...
1
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1answer
417 views

Enable Bitlocker auto-unlock without system drive encryption

Does anyone know of any trick - registry change, group policy etc. which will allow a Bitlocker volume to be auto-unlocked without having a bitlocker encrypted system drive? My system drive is a ...
1
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0answers
1k views

How secure is VeraCrypt by IDRIX when compared to the now defunct TrueCrypt?

I would like to know how safe is VeraCrypt by IDRIX to use when compared to TrueCrypt, which as the webiste states is unsecure. Had IDRIX managed to fix all the security bugs in TrueCrypt or is there ...
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0answers
206 views

Whole disk encryption on a tablet (that has no pre-boot keyboard)

I am researching methods to encrypt whole disk on tablet. I would like to encrypt my tablet that comes with Dual Boot OS, with pre-installed Windows 10 Home and Android 5.1. Let's start with what ...
1
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0answers
139 views

[Win10 Pro]Bitlocker suspended just after encryption

I have a strange problem. I have TPM (with restrictions - backward compatibility it says, PC upgraded from 8.1 to 10 PRO) and I wanted to encrypt the C: drive. Everything went OK, after reboot ...
0
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2answers
129 views

Decrypting BitLocker and regaining access to Windows 8.1 after forgetting the local user account password

I am trying to regain access to my Windows 8.1 local account which I have lost the password to. BitLocker is enabled, and I still know the BitLocker password. I have attempted to use ntpasswd but it ...
0
votes
1answer
88 views

How does apt-get checks for the integrity of the files downloaded?

I've been reading about why encryption is not normally deployed on the apt-get network activities. And learned that it checks the signature of the data that comes from the repo, right? But now, how ...
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1answer
2k views

Move System Reserved Partition Windows 10

Prelude I recently chose to migrate from the 1Tb spinning disk to a 128Gb m.2 + 1Tb HDD, with OS & programs installed on the m.2 and data on the HDD. I didn't have time to do this as a dedicated ...
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0answers
80 views

Restore deleted Mac OS Extended (Journaled, Encrypted) partition

I've deleted an external HDD via OS X disk utility and created a new Mac OS Extended (Journaled, Encrypted) partition but didn't write any data to it. The password differs from the deleted Partion ...
2
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0answers
160 views

Is a VeraCrypt partition slower?

I just got a new external hard drive. I want to create an encrypted partition on it with VeraCrypt. I did the same thing with a similar drive. I just copied a file over to it and the speed was about ...
2
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1answer
65 views

Why does GPG decryption with subkeys fail on one computer but not another?

I have been attempting to create a system of GPG subkeys to distribute to my various computers. I have created subkey pairs for each computer with the master secret key removed as per the instructions ...
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0answers
50 views

Not able to decrypt bitlocker encrypted drive

I have encrypted the internal drive using bitlocker in windows 7. Now when I try to unlock it by entering password, it shows 'I/O device not available' error. I also tried unlocking it using recover ...
2
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1answer
223 views

Enable SCHANNEL Protocols in Windows Registry (Win7 & 2012R2) DisabledByDefault or Enabled?

I have enabled TLS 1.0/1.1/1.2 protocols on my local Win7 machine and 2012R2 server as well as disabled SSL 2.0/3.0 using the registry DWord value DisabledByDefault = 0 based on the following ...
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0answers
117 views

how to do ssl client to node security in cassandra using my self-signed CA

I have my self-signed CA, that is giving me .crt, .csr , .p12 and .key files. How I will use this to secure my cassandra. I tried a lot whatever I found on net but still I am not able to solve this. ...
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0answers
56 views

Getting Grub to display the boot menu before attempting to decrypt

I wasn't able to find a guide on this anywhere online - I'm dual-booting with Windows and an encrypted Arch system (following the guide found on the Arch wiki), both show up fine in my GRUB boot menu, ...
38
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3answers
5k views

Why does my SSD internally encrypt data, even without a password set?

Recently I had an SSD fail and am attempting to do a data recovery. The data recovery company tells us that it is complicated because the build-in drive controller uses encryption. I presume this to ...
3
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1answer
597 views

Slow performance of an encrypted VeraCrypt container running on a USB flash drive

I have encrypted a container and stored it on my Mac using VeraCrypt, it’s about 62GB. I then moved the encrypted file and put it on a USB flash drive. But when I mount it from the USB flash drive and ...
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0answers
21 views

disk encryption - physical, virtual host, or guest

I have a Mac Mini that currently has FV2 on the primary disk and no encryption on the second internal disk. I recently installed VMware Fusion and want to install Windows 10 Pro and OS X El Capitan ...
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2answers
381 views

Duplicity restore failing: No secret key

I'm setting up a backup from a local machine to a remote server. I generated gpg keys on the local machine and ran a test backup with: PASSPHRASE="MyGPGPassphrase" duplicity --encrypt-key KeyID ...
1
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1answer
187 views

How to verify a self-encrypted drive (SED) is really encrypted?

I have a Dell Precision M3800 that is supposed to have a self-encrypted hard drive. I'm running Windows 10. In the Storage Management screen, the disk claims to be a 'LITEONIT LMT-256L9M-41 MSATA ...
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1answer
76 views

Encrypting home folder in Debian

Is it possible to encrypt home folders of users in a Linux system (say Debian) in such a way that root cannot see their content?
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1answer
57 views

Changing FileFault encryption key size

I want to change the key size of FileVault drive encryption on OS X (10.11 El Capitan). By default, it is set at AES 256-bit. I want to set it to something a little more realistic, like 4096-, 8192-, ...
0
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1answer
45 views

Encrypting multiple drives on a multi-boot system

So I am building a new system and I want to fully encrypt it, problem is I am not really sure how since I never encrypted anything bigger than a folder or zip. The build includes a Samsung 850 ...
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2answers
341 views

How secure is “Save as PDF” with encryption option in Word 2010?

I'm already aware that Microsoft employs AES 128-bit advanced encryption in Word 2010 if someone wants the Word document itself password-protected. I don't. I want the PDF version of my Word document ...
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0answers
21 views

Files encrypted after moving from Mac to Windows (and formatting)

I was moving some files from a Mac (OS X Yosemite) to a D: partition on Windows 7, and I then formatted the C: partition. Now the problem is that somehow a small number of those files seem to be ...
4
votes
4answers
909 views

What does WPA/WPA2 really encrypt?

I have WPA2-personal on my laptop and I'm connected wirelessly to my home AP. The traffic I capture from Wireshark is all unencrypted. Some days ago I had my router on WPA-personal and did a MITM ...
0
votes
1answer
68 views

How to generate a keystore file for a Jetty server from PEM file?

I got a certificate.pem file from the CA, that have structure like below: -----BEGIN CERTIFICATE----- encrypted text of the public key -----END CERTIFICATE----- From this, we need to generate the ...
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0answers
24 views

Bitlocker TPM Encryption Error

I have an issue with Bitlocker TPM on Windows 8.1. The system I have is Domain-Connected without TPM. So I have enabled the appropriate Server GPO's and Local GPO's to allow without TPM. Still though ...
2
votes
3answers
540 views

Is it safe to store (encrypted) passwords on GitHub?

I am using pass to handle all my passwords. They are encrypted using GPG with a 4096 bits key, using the SHA256 algorithm. I am using a different password for every login in my password store. One of ...
0
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1answer
16 views

Multiple passphrase volume decryption on Linux

Is there any way to decrypt a volume that's been encrypted using a "standard" or commonly used volume encryption system (such as LUKS) using multiple passphrases? I've been searching for something ...
3
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1answer
113 views

OpenSSL CFB Modes

I'm trying to understand OpenSSL notation - what is the difference between, for example: AES-256-CFB and AES-256-CFB1 AES-256-CFB8 I get the CFB1 and CFB8 difference, but really can't find to ...
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0answers
177 views

ownCloud sync not working after migration from 8.0 to 8.1.3

I migrated my ownCloud server from 8.0 to 8.1.3 which forced me to reanable and migrate the encryption keys of my users. After this runs successfully without error I'm able to access my files from the ...
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0answers
44 views

Is it possible to store FileVault 2 key in the firmware?

I know that the Mac's firmware can store the FileVault recovery key during standby so it can resume transparently without making the user enter their password again. Apple even has a utility to ...
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vote
1answer
665 views

Sign & Encrypt vs. Encrypt & Sign - What does GPG do?

I’ve already read the discussion Should we sign-then-encrypt, or encrypt-then-sign? and the paper Defective Sign & Encrypt in S/MIME, PKCS#7, MOSS, PEM, PGP, and XML. My question has to do with ...
0
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1answer
104 views

Encrypting a 2-HDD set-up with dual-boot Debian+Windows on 1 drive and Program Files+Data on the other

I had the following set-up in mind: SSD 1: Dual boot Debian + Windows (base OS only). HDD 2: Used for Program Files + Data. I assume that if I encrypt both drives separately, errors will show up ...