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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GPG giving bad signature when email is downloaded as .eml

I'm trying to test whether someone with a copy of my public gpg key can verify a signed email that they receive from me. I'm using two computers for this. On the first, I have my key generated and ...
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0answers
23 views

Adding new encryption algorithm to the strongSwan

I need to add a new encryption algorithm to the strongSwan, for educational purposes. I want to know if there is a new encrypt-er that I can add to the strongSwan, and how to do that. Any answer will ...
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1answer
136 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 ...
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0answers
50 views

Transparent Encryption on MariaDB on RHEL7

I have a RHEL7 server running the latest mariadb MariaDB-server.x86_64 10.1.9-1.el7.centos I am trying to set up transparent encryption on MariaDB and I have a number issues: How can I test that ...
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1answer
73 views

Why is GnuPG returning “decryption failed: secret key not available”?

I am new to the world of GnuPG. I am attempting to decrypt a message via terminal and this is the result: [snip] -----END PGP MESSAGE----- gpg: encrypted with RSA key, ID F6B86794 gpg: decryption ...
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0answers
17 views

Perform a compressed backup of encrypted devices?

I'm looking for software that would do something like this for me: Read disk's partition table, find LUKS-encrypted partitions, Decrypt the partitions, fill the empty space with zeros, Back up the ...
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2answers
432 views

How can I encrypt a file with an ec public key?

I have generated an EC public/private key pair using openssl with the following commands: openssl ecparam -name brainpoolP512t1 -param_enc explicit -genkey -out mykey.pem openssl ec -in mykey.pem ...
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1answer
31 views

How to upgrade crypto-utils on fedora 14 to fc21 version

I'm using Fedora 14 to generate a self-signed certificate for our internal webserver serving our bugzilla bug tracking system. Fedora 14 crypto-utils generates a SHA1 signature, which current version ...
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1answer
66 views

If Bitlocker is turned on, How to decrypt OS volume when boot up?

I want to know decrypting process when boot up encrypted volume using BitLocker. Because MS says, it is encrypting entire disk drive whether the volume is installed OS or not, which means the file ...
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0answers
350 views

BitLocker hardware encryption cannot be activated on Win10 10586/1511

I'm having trouble enabling hardware encryption with BitLocker using Windows 10 build 10586 on a clean install with a Samsung 850 SSD. The encryption worked flawlessly before on build 10240. I've ...
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2answers
31 views

onion-style encryptions in ssh multi-hop commands

In what we could call the canonical multi-hop ssh example, we can see that the following command would route the user's ssh traffic through three (fictitious) consecutive nodes: ssh ...
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0answers
125 views

How to enable Bitlocker hardware encryption on Bare-Metal VHDX

I have a Crucial MX200 SED, and I want to use the hardware (not software) encryption on VHDX disks, including the operating system VHDX. The SED is OPAL 2 compliant. However, the Crucial website ...
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0answers
50 views

How to column-level encrypt in Dynamics CRM 2015?

I know that Dynamics CRM 2015 comes with encryption on for specific fields. EmailServerProfile IncomingPassword EmailServerProfile OutgoingPassword Mailbox Password Queue ...
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0answers
281 views

Web browser error: No common encryption algorithm(s)

When connecting to a bank site from my Debian (stretch/testing) PC with a recent (38.2.1) version of Firefox, I get the error: Secure Connection Failed An error occurred during a connection ...
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0answers
99 views

How to transcode AES encrypted files with AWS Elastic Transcoder

I want to upload my encrypted videos to S3 and use Elastic Transcoder to transcode them. This is what I'm currently doing and isn't working at all. I'm using openssl to encrypt my video files. The ...
3
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1answer
343 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 ...
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0answers
36 views

IKEv2, ESP PFS. Which packets includes the configuration?

i am investigating currently the IKEv2 protocol with ESP payload encryption. For ESP i want to use PFS with DH Group 5 (which works). However, i am not able to figure out in which packet this settings ...
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0answers
99 views

How to verify a software package using SHA256 checksums and PGP or GnuPG keys, on Windows?

I'd like to verify the Vagrant installation method using their recommended verification method. On the installation page it says: You can find the SHA256 checksums for Vagrant 1.7.4 online and you ...
0
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1answer
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
138 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
48 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
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1answer
117 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 ...
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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 ...
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1answer
86 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 ...
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1answer
99 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)?
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1answer
137 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
266 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 ...
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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 ...
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0answers
211 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
214 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 ...
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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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74 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 ...
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1answer
441 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
2k 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
224 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 ...
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0answers
154 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 ...
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2answers
142 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
100 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 ...
2
votes
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
87 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
189 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
votes
1answer
76 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
51 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
241 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
128 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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59 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
votes
1answer
627 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 ...