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Questions tagged [encryption]

Encryption is transforming information through a cipher to protect it from unauthorized access.

Encryption is the process of taking some information (the plain text), and transforming it (usually with a cypher and a key) so that it is secure. Assuming a sufficiently strong cypher and key have been chosen, this cyphertext can be shared widely, without the information being compromised.

The reverse of Encryption is Decryption, where the process is reversed (normally by someone holding the key and cypher details) to return the information.

See the Wikipedia Page for more details.

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How can I encrypt the passwords of all datasets in my mysql table?

I am running an ProFTPD Server with a MySQL backend for user authentication. The passwords for the users are currently in plaintext. And my goal is, that all the users have encrypted passwords stored in the database. I know that when I want to…
Wubi
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How to share or encrypt sensitive git repos

My organization is using Openshift for running several applications. Our policy thus far has been to always store sensitive values (DB passwords, API keys, etc) in environment variables and never as part of the codebase. However, multiple projects…
crgwbr
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Unable to verify signature (openssl)

I am trying to verify a signature, but get "unable to load key file." This is a CentOS server with OpenSSL version 1.0.2 (22 Jan 2015). The keys are generated like this: ssh-keygen -t rsa -f serverkey -N '' -b 2048 mv serverkey…
Zek
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Openvpn - one server private key / multiple clients keys

In therory, an asymmetric encryption allows a single public key to be associated with only one private key. However, in OpenVPN, you can create certificats for multiple clients with only one server certificat associated. How is it possible?
Duke Nukem
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Add Switchable Encrypted USB Backup Drive to Windows Server

So my boss has decided that she wants a backup USB drive for a Windows Server 2008, but it needs 2 features... HIPPA grade encryption. She wants it to be switchable. She wants 2 USB drives, one on her at all times and the other plugged in and…
hakarune
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asp.net: Direct way to encrypt portions of .config files? (and manage encryption across multiple environments))

Every year or two, we say to ourselves "Time to encrypt parts of the .config files (that include sql connection strings, etc.)" Each time we dig in and say "Ouch, machine keys and stuff, that looks hard to manage." Every time we start walking…
Jonesome Reinstate Monica
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How can Jenkins on Linux do builds to Windows servers securely without A.D.?

I am running Jenkins 1.6 on CentOS 7.2. I have several Windows 2012 servers without A.D. I connect to the Windows machines with local credentials. I have configured a development environment with Python and WinRM on the Linux server. For…
Kiran
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Group policy setting to prevent asking user where to store recovery key

Win10 PCs, 2012R2 domain I'm rolling out bitlocker to clients and I'm trying to restrict the options in the bitlocker wizard as much as possible. I do need users to run the wizard so they can set a pin, but I don't want users to be prompted…
red888
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Bitlocker decryption trouble

today I started the procedure to access a bitlocker encypted data storage hard disk. At first I unlocked it and then I turned off bitlocker. The turning off took some time, but it ended without any error. The result is that the hard drive seems…
user3849960
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xcopy & robocopy - Encrypted during transfer?

I need to transfer some files on some windows hosts, as i come from the unix side, i searched for a tool similar to scp or rsync. I came across xcopy and robocopy and searched the manuals for a hint if the filestream is encrypted or not. The only…
embedded
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Does encyption key contain passphrase?

I created an encrypted pool in Freenas 9.10 using the provided Wizard. Afterwards i input a passphrase for the volume. The Handbook advises me to download and store the Recovery Key: Download Key: click this icon to download a backup copy of the…
Sebastian Schmitz
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Gmail marking self-signed certs as unencrypted

Just a quick question/answer pair to share what I've learned this morning. Gmail marks self-signed certs for TLS as unencrypted in their interface now. This is obviously wrong. How has anyone else got around this?
luxpir
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Installing blowfish2 for use in VIM on CentOS 7

I'm moving from a Debian-based distro to CentOS 7. I have files encrypted with blowfish that I edit transparently in VIM with this setting in ~/.vimrc: :set cryptmethod=blowfish2 This is the error that I receive: E474: Invalid argument:…
dotancohen
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my local backup request

So our current backup system has stopped working. We had 4 harddrives on rotate, each taking 2 days and sunday being skipped. Each backup doing a FULL backup. I did NOT design this! All 4 harddrives are not working suddenly. I am investigating it…
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Encrypting all internal communication on an ESXi box

Lets say I have a large system made up of many VMs running on one bare metal esxi box. Each of these VMs are running application(s) that are necessary for the system. I do not have the ability to change some of the applications, and changing the…
xcalibre
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