encoding information in a way so that it can only be decoded if a secret is known; used to prevent exposure of data to other parties

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17 views

Encrypt casper-rw file for use with Easy2Boot

I have created an Easy2Boot multiboot USB drive. Currently it contains two ISOs - Kali Linux 2016 and Linux Mint. I have created persistent ext2 filestore for both ISOs and configured them using the ...
0
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1answer
15 views

Hex has unknown character / in the output

I need to create a Rc2Key variable and then convert this to hexadecimal. I have done this with two commands. The Rc2Key variable has to be 16 characters long, so in my test module I used ...
1
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1answer
51 views

Create encrypted live USB Kali or Ubuntu (Debian) [closed]

I'd like to: Configure Linux os, for example Kali or Ubuntu for my needs. Then encrypt the WHOLE bootable USB drive. If it's not possible to encrypt the WHOLE USB drive, maybe leave just /boot ...
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0answers
30 views

how does systemd activate encrypted swap file on alternate partition?

I have 2 partitions: / and /data. My swap file is encrypted at /data/swap. So /etc/crypttab looks like: root_crypt UUID=6666 none luks swap /data/swap /dev/urandom swap And /etc/fstab looks like ...
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2answers
20 views

Encrypted USB with SSH keys system

I was thinking about having an encrypted USB flash memory where I would store some passwords and that kind of information. I want it to be encrypted just in case I lose it and someone finds it. I was ...
1
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1answer
29 views

How to force low ssh-encryption

I regulary backup my computer to my BananaPi with a Hard Disk connected. The Problem is, that the transfer speed over ssh is pretty low because the Pi can't handle AES 256 encryption quick enough. ...
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1answer
20 views

why does systemd cryptsetup try to remount the root partition already mounted?

I have /etc/crypttab as follows: sda7_crypt UUID=<...> /dev/sda8:/keyfile luks,discard,keyscript=/lib/esi/tpm_key_pass sda7_crypt is my root filesystem, so I use update-initramfs to decrypt ...
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2answers
40 views

How can I encrypt a file with dm-crypt? [closed]

I've never encrypted files in my Linux distribution. Now I need to do that. I'm on Arch. I went to the documentation, it says that support of TrueCrypt is discontinued and after examining other ...
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1answer
29 views

How to encrypt/hide password in /etc/network/interfaces file on debian?

How can I encrypt/hide my - wpa-psk "password" - line in the /etc/network/interfaces file? Since it's uncovered and readable for everyone who can get in the file now. Or is it better that I use ...
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2answers
62 views

How to use openSSH for disc encryption at boot time (OpenSSH vs. Dropbear)

Basic setup: - Operating System: CentOS 7 (64 bit) - Grub 2 - separate boot partition with ext4 - luks encryption (aes-xts-plain64:sha512) on two disc partitions which both need to be unlocked by ...
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1answer
27 views

How do I Encrypt a Flash Drive Using SecurStick?

I am trying to use SecurStick to encrypt a flash drive. I found these instructions online. However, when I unzip the archive and place the files on my flash drive, I cannot run the SecurStick program ...
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34 views

ALERT! /dev/mapper/cryptroot does not exist. Dropping to shell!

Hello I just installed Debian on an encrypted root partition but the NVRAM entry the installer made isn't working so I boot using the following kernel parameters : rw nomodeset ...
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0answers
46 views

mod_mono on SLES 12.1 fails to encrypt ASP.Net web.config

I am trying to migrate an ASP.Net (2.0) VB web app from a SLES 11 server to a new SLES 12 server. Unfortunately, mono is no longer supported by Novell / SUSE / NetIQ folk. This is my first time ...
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0answers
32 views

How to encrypt a live root fs remotely and unlock it via ssh

I have a Linux Arch system running on a VPS. The rootfs is installed on a LVM partition. I would like to overlay an encrypted container on this partition, then reinstall the rootfs on it and enable ...
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2answers
43 views

RHEL: FDE w/o password - boot from key on partition

I'm trying to accomplish encrypting my OS w/ LVM on RHEL 7.2 and have it boot without entering a password by using a key on an unencrypted partition. LV VG Attr LSize Pool Origin Data% ...
3
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1answer
36 views

gpg: “secret key not available” when sec & pub key are in keyring

I received an file encrypted with the public key I generated but I can't get it to decrypt. Steps: gpg key-gen default options gpg --export -a <email> > pub.key sent the pub.key received ...
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2answers
30 views

Why is no second PGP possible?

I've a problem with the command "gpg --gen-key". At my very first time, I connected an eMail-Account to this and everything worked fine. I can use it and so on. No Problem. The problem is: I want to ...
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2answers
51 views

Is there any way to fully encrypt my hard-drive AFTER an installation of Linux Mint?

I'm askin myself, is there any software who can encrypt my whole hard drive with Linux Mint 17.3 on it AFTER the installation? Like TrueCrypt for Windows?! If not and I've to reinstall everthing is ...
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0answers
32 views

OpalCryptoErase.exe for linux

I have a tool name OpalCryptoErase.exe which lets me reset the encryption keys on my opal ssd disk. Of course I lose my data along the way but I don’t care I just want to reset the disk to the initial ...
0
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1answer
46 views

Portable linux with disk-encryption: Which type of storage is better? SD-CARD or USB-STICK

So, as stated above, I mainly address some people, which may have made some experience with a portable os and various storage-types. As we know, the good old HDD are the most durable types of disks. ...
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81 views

Error booting kernel 4.5.0-rc1 on Encrypted HDD

I cloned the Git tree of the mainline Linux Kernel and compiled it(version 4.5.0-rc1). After compiling with default configuration (make defconfig) I installed it. In the grub menu I can select this ...
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1answer
24 views

Mountable deduplicating container

I want a container that I can mount which dedups files within it. Basically, I'd like to have a simple backup solution where I mount it, copy my home folder with the name "Home (Feb 9)" and it only ...
2
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1answer
51 views

Information leaks out of encrypted file system

If I only encrypt the home directory, what are some common ways for information to leak out to the unencrypted part of the file system? Aside from the obvious problems like swap space files in /tmp ...
0
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1answer
28 views

How do can I tell what encryption is being used with signed in luks?

What command tells you what encryption is being used by a luks partition (all the relevant information initialization vector generation scheme, mode of operation and block cipher primitive).
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1answer
13 views

Is cryptsetup benchmark for single or multiple queues

Let say that cryptsetup benchmarks gives 2 GiB/s performance. Is it per queue so on 4 core processor I could read from disk at 8 GiB/s (assuming I wasn't limited by SATA etc. and it would scale ...
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1answer
53 views

NFS v4 export encrypted partition. Client mounts empty dir

I have an encrypted hard drive on my Lan Server. It was encrypted using luks/dm-crypt. The server has a NFS v4 running to share files in the Lan. It works, except for the encrypted USB hard drive. If ...
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0answers
36 views

why is sTunnel failing to launch?

im a bit stuck and need help understanding what im being told as there is nothing in the log file, i get the following error when i try and run stunnel (servermode): sudo /etc/init.d/stunnel4 start ...
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67 views

I use OpenSMTPD on OpenBSD 5.8! How can I automatically encrypt E-mail with OpenSMTPD

How can I automatically encrypt all outgoing E mail? My scenario: I use XXXX@gmail.com as my relay for all Emails my OpenSMTPD Server forwards All Emails to me as well as all Emails from somewhere to ...
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0answers
50 views

How can I mount Android encrypted FS on desktop Linux?

There is "vdc" command line utility in Android. Is there something similar for regular desktop Linux? Reading of https://source.android.com/security/encryption/ didn't help.
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1answer
45 views

Encrypting a p12 certificate

I'm trying to following this documentation (see section Create a Code Signing Certificate) in oder to encrypt a p12 file but I always receive the same warning. unknown option 'Cert.p12' Am I ...
0
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1answer
73 views

No prompt on boot with full disk encryption enabled

I am able to successfully authenticate by typing in the encryption password (and hitting return), but nothing is displayed on the screen to prompt me for this information. I tend to just "wait enough ...
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0answers
31 views

Does Linux require the decryption and login passwords to be the same?

thanks for looking at this question. I have seen several other questions about eOS login loops--none solved my problem, including upgrading the kernel, deleting .Xauthority, etc. Last night I changed ...
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25 views

How does authentication work on stunnel on unix?

I am aware of how PGP cryptography works ( using private and public keys - and therefore always keeping private keys private ) but what I therefore dont understand is: why stunnel setups require a ...
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0answers
76 views

Debian on encrypted partition won't boot

I just installed Debian Testing on an encrypted partition (using the encryption feature in the installer). Problem is when I boot I enter the passphrase and then Debian starts to load a bit and then ...
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1answer
17 views

Hide/Encrypt application configuration

Is there any way to hide/crypt software config files (services such as Apache web server , Varnish and so on) from boss and others?
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0answers
67 views

Struggling to boot linux with full disk encryption from USB

I would like to be able to boot linux (mint or ubuntu preferred) on my desktop from a fully encrypted USB stick. Apparently this is possible, however the solution has eluded me. Please forgive my ...
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1answer
182 views

CentOS 7 Encrypt a PDF

I've recently upgraded our server from CentOS 6 to CentOS 7 and I am having issues getting pdf encryption working on it. On CentOS 6 I installed libgcj and then the pdftk package. I could then ...
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1answer
94 views

How to encrypt Linux (Debian 8) post-installation and what are the consequences?

I have certain folders in my Linux partition which I need to make sure no one can access unless the log in with my login password (or root one). I know that during installation I can encrypt with ...
3
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1answer
48 views

Decrypt a portion of a corrupted drive

I have a hard drive that got corrupted after a doing an MTP mounting of a cell phone. It was created under Fedora Core 20 using defaults. Originally, I thought I did it as an ext4 partition. I ...
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2answers
56 views

Ubuntu overwrites grub, no boot option encrypted debian

I recently installed Ubuntu 14.04 on my laptop. I already had a single Windows 7 partition and two linux partitions. The problem is that Ubuntu overwrote the grub bootloader, and now there is no ...
0
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1answer
49 views

Decrypting a previously create losetup device

I've created an encrypted backup in 2004, using losetup -e. I still know the passphrase, so I should be fine, but losetup is gone in the linux distributions I use. I still have a bash script for ...
0
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1answer
31 views

Encrypted automounting partition

I have a debian based server at home using banana-pro. One of its functions is being a backup/owncloud/nas. There is a sata drive attached to it and I want it to be encrypted. I know that for a pc I ...
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0answers
46 views

How do I encrypt a key for use with Linux's key retention service?

In Linux, an "encrypted" key can be created for use with keyctl by executing a command like keyctl add encrypted evm-key "new user:kmk-user 32" @u. The content of the key, when exported to a file, ...
0
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1answer
216 views

qemu with kvm guest OS is slow

I am trying to create a Windows 7 virtual machine on a Gentoo x86_64 host (kernel 3.18.9 hardened) using qemu-system-x86_64 2.3.0 with kvm enabled. I have successfully compiled the kernel and have ...
0
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1answer
210 views

Enable ed25519 in Debian wheezy

In Debian 7 it seems like ssh doesn't accept ed25519 keys. support for ECDSA was not added until end of 2013, but wheezy is older How do I enable this in Debian 7?
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2answers
82 views

What is happening with the Linux swap partition data when running Windows via dual-boot

Hmm, I would like to know what is happening with the data on the Linux swap partition when the Linux system is turned off and by the next start the Windows operating system via GRUB2 will start. 3 ...
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0answers
27 views

Encrypt entire disk

I have multiple OS on my machine (debian, ubuntu and windows) I already have ubuntu and windows disks encrypted separately. I'm thinking about backing up all my data and reinstalling everything this ...
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1answer
149 views

Using GPG, encrypt a file with private key

I'm setting up a system to update software on a device and I would like to encrypt the update files using a private key that I have created and then decrypt them with the public key. All of the ...
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0answers
83 views

large file encryption with ssh's RSA key pair?

I'd like to work out a way to encrypt arbitrarily large files using users' RSA key pairs they generated for SSH purposes. They have standard id_rsa and id_rsa.pub files, and a PEM version of the pub ...
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130 views

why md5 encrypted password insert into php ldap admin extra {md5}

I am using python script to inter encrypted password into php ldap admin but the problem I am facing is LDAP add extra {md5} before the encrypted password, I simulated the code by creating two files ...