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

learn more… | top users | synonyms

2
votes
2answers
1k views

Different results from GnuPG and OpenSSL when using AES256 encryption

Text: apple Pass: password openssl aes-256-cbc -e -a -in apple.txt Output: U2FsdGVkX1/sqDrVkgk/7dKiCfLW+1/bgvRT/YAopJQ= gpg -c --cipher-algo AES256 apple.txt Output: ...
11
votes
3answers
7k views

SSL Certificate Class 2 vs Class 3 vs Class 4

I just got a "Premium EV SSL Certificate" form GoDaddy.com. Apparently as of 8 months ago GoDaddy doesn't provide Class 3 Certificates. ...
5
votes
2answers
399 views

Windows Server 2008 BitLocker

I would like to configure whole disk encryption on all of my Domain Controllers. Is BitLocker an acceptable method to do this? What are the potential problems with whole disk encryption on a Domain ...
-1
votes
2answers
344 views

Whole Disk Encryption and Dropbox [closed]

What is the best way to configure whole disk encryption on two laptops sharing a Dropbox? If I encrypt both drives, what will happen to the Dropbox files?
5
votes
2answers
2k views

How to detect Dell TPM from inside Windows?

I need to know whether my server has TPM installed. It is located 10000 miles away from me so going there to look at the BIOS is not an option. It is also not anyhow described on the Dell website nor ...
1
vote
1answer
265 views

Is Intel AESNI supported by Xen in VPS/Cloud hosting environments?

I'm having trouble determining whether when using a hosting company that uses Xen virtualization and Intel processors with AESNI embedded encryption, I would have access to AESNI (i.e., is it an ...
1
vote
2answers
1k views

Can't decrypt imaps traffic in Wireshark

I have currently problems to decrypt IMAPS Traffic in Wireshark. I set up the SSL Key with the correct IP Address, Port 993 and Protocol imap. The Key is the correct one. That is what I see in the ...
6
votes
2answers
4k views

Are there huge drawbacks to using an excel 2010 document for password management?

At my old job, we used an open-source, (IMO) secure method for managing network infrastructure, and other important hosts' passwords [with Keepass]. At my new job however, it seems like they're using ...
3
votes
2answers
404 views

Do I need to back up the SQL Server Encryption Password and Symmetric Key?

I'm trying to setup SQL Server to use Cell-Level Encryption on some sensitive data. It seems straightforward per this example on the MSDN: Create the Master Key with a strong password. Create a ...
0
votes
1answer
566 views

Wildcard certificate with SAN

I am attempting to create a wildcard SSL cert with a Subject Alternative Name (SAN) for use in IIS 7.5 and I'm having some issues. Because I need to include a SAN, I am using the Custom Certificate ...
2
votes
1answer
474 views

Linux LTO-4/5 Drive Encryption

For a number of reasons I have been trying to find a way to encrypt my backup tapes. I'm currently running Bacula for my backups and it's support for Drive based encryption is I have to call a script ...
7
votes
2answers
1k views

Approaches for Linux server disk encryption

What are the approaches available for fully encrypting a disk on a remote server (say, colocated in a datacenter)? On Windows, we can just turn on Bitlocker with a TPM. Then the server can reboot, and ...
2
votes
1answer
87 views

practical document encryption in shared environment

I can't seem to find a good, practical way to encrypt documents on a shared drive... This is a samba share on centos using ADS auth. The primary doc format will be PDF. Is there a good on-thy-fly ...
1
vote
1answer
493 views

Configure Apache2.2 as http to https encrypter/converter

I am using Apache 2.2 on SUSE 10 with mod_ssl. My problem: I want to connect a client(supporting only http) to a Server(supporting only HTTPS). So I thought of deploying Apache as a proxy to convert ...
1
vote
1answer
314 views

fully encrypted MediaWiki base

Is it possible to completely encrypt a MediaWiki installation? I'm not looking for a way to finely control access rights or have some encrypted articles or even just parts of articles encrypted. ...
1
vote
3answers
271 views

Is there a way to have all virtual servers use the same SSL certificate without having multiple IPs?

Is there a way to have all virtual servers,in Apache, use the same SSL certificate without having multiple IPs? I know that you can use a certificate on one site, per port and per IP, but can I make ...
0
votes
2answers
1k views

HTTPS Proxy which answers CONNECT with own certificate

I'm configuring a DMZ which has the following Scheme: Internet - Server A - Security Appliance - Server B - Intranet In this DMZ I need a Proxy server for http(s) connections from the Intranet to ...
1
vote
0answers
666 views

How to encrypt a section within web.config using aspnet_regiis -pe or -pef

I am a developer trying to encrypt part of my web.config file in an ASP.NET site (first time I've tried this...). Having repeated failures with all types of syntax changes, so perhaps better to post ...
-1
votes
1answer
606 views

Filesystem encryption settings during install?

I'm installing CentOS 6.1 on a server and exploring the encryption settings in combination with software RAID. Should I encrypt the drive partition, the software RAID device, or both? Should I ...
1
vote
1answer
112 views

ZFS: can per-user encrypted filesystems be deduplicated on block-level?

Let's assume I build a storage system where each user gets his/her own encrypted filesystem on top of a ZFS pool. Would deduplication on pool-level still work when each fs is encrypted? What ...
0
votes
2answers
894 views

Encrypt each users home Centos 6 and access from windows?

I'm trying to set up a shared drive for my team using Centos. The team might have root privileges through sudo on this system. The over all goal is under /home/ have each member dir be encrypted so ...
0
votes
3answers
184 views

Does this hard disk drive support hardware-based full disk encryption? What are some effective interrogation tactics?

I am trying to determine if a particular hard disk drive supports hardware-based full disk encryption. I know I can use the model number and check the manufacturer's website, but that is only feasible ...
0
votes
1answer
243 views

EncFS and automated back-up

When using EncFS to encrypt a file on a VPS, will the file be stored encrypted or unencrypted in the automated back-ups taken by the host? (Assuming that the file is unlocked when the back-up is ...
1
vote
1answer
341 views

DB encryption for Django web app without storing key on server

We are setting up a virtual private server (not hosted by us), on which we will be user testing our Django-based web application. The user-generated content produced in these tests will be very ...
1
vote
5answers
2k views

Encryption between a LAN switch and an end device

What standards/protocols/products exist that support encryption of all data sent between a device (e.g. a workstation) and a LAN switch? Something like WPA for WLAN.
2
votes
2answers
921 views

Variable size encrypted container [closed]

Is there an application similar to TrueCrypt, but the one that can make variable size containers opposed to fixed-size or only-growing-to-certain-amount containers which can be made by TrueCrypt? I ...
-1
votes
4answers
95 views

File and Database encryption [closed]

Just curious what do you guys use for file or database encryption? Any good programs out there or techniques employed for securing IT personal information? Main reason is the company I work for has ...
31
votes
13answers
53k views

How to create an SHA-512 hashed password for shadow?

The previous SF questions I've seen have lead to answers that produce MD5 hashed password. Does anyone have a suggestion on to produce an SHA-512 hashed password? I'd prefer a one liner instead of a ...
7
votes
1answer
421 views

State of hardware-assisted disk encryption in Linux

I use dm-crypt to encrypt partitions. I am building a small office server from consumer (or pro-sumer) category hardware. It made me wonder, hardware-assisted encryption is a notion in the air for ...
1
vote
1answer
28 views

How to provide encryption across file, folder, and email for small company

I'm the 1/2 time IT person for a small company. We run a MS environment using a Server 2003 Domain Controller, MS Storage Server 2003, and Exchange 2003. It finally occurred to them that I as an ...
1
vote
1answer
222 views

Adding column-level encryption after-the-fact in SQL Server 2008?

I am writing a web-app that will, at some point in the future, need to perform column-level encryption of a portion of the data it stores to our database running on SQL Server 2008 Express. It would ...
26
votes
2answers
15k views

I have a keypair. How do I determine the key length?

Using OpenSSL from the command line in Linux, is there some way to examine a key (either public or private) to determine the key size?
1
vote
1answer
629 views

Encryption on Solaris (using Keystore)

I am trying do draft up a secure way to encrypt (on the fly, invoking it from an app) and decrypt sensible information (credit cards) using AES-256. The target platform is: cat /etc/release ...
0
votes
1answer
160 views

Authenticate user(group) and encrypt port 8078 on a server using SSH2 keys?

I want to encrypt and authenticate port 8078 on a server running Jenkins using SSH keys (I'll pass our the public or private key as needed), and keep 8078 from being accessed by anything but SSH. I ...
1
vote
1answer
1k views

RHEL package containing JCE (Java) Unlimited Strength Jurisdiction Policy Files to support higher level encryption?

Are there packages for RHEL and distros based on it (CentOS, Scientific Linux, etc.) that contain the Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files so that higher ...
0
votes
1answer
144 views

EFS encrypted files cannot be opened, even with the right key

I created a folder on my Win7 Pro machine, set it to encrypt contents to protect data. Then I opened MMC, added the Certificates snap-in for "my user account", expanded Certificates - Currrent User > ...
1
vote
1answer
2k views

Can I encrypt a single folder in Windows Server 2008 R2 with BitLocker?

Using Windows Server 2008 R2, is there a way to encrypt a folder, not the whole disk using Bitlocker?
1
vote
2answers
647 views

GELI / ELI at FreeBSD - changing passphrase

How can I change/replace the passphrase of an encrypted eli provider in FreeBSD? Do I have to recreate the entire provider and copy data, or is there a simpler and faster way? I've looked in the man ...
0
votes
2answers
538 views

Encrypting/Decrypting MPEG-2 Transport Stream in realtime [closed]

I have to send unicast mpeg2ts stream from one datacenter to another (dc1 to dc2). The output I get from encoder bank in dc1 is not encrypted and I need to encrypt it before sending it to dc2. At dc2 ...
2
votes
3answers
594 views

How do I configure an SSL only site, in a way that doesn't affect browser connection limits

The Yahoo Developer Best Practices recommend using multiple hosts (host1.company.com, host2.company.com, etc..) as a way of overcoming a webbrowsers built in limitation of only issuing two concurrent ...
3
votes
1answer
141 views

verify integrity of encrypted tar

I'm using tar along with openssl to create encrypted tar archives of some large directories (about 30GB). What is the possibility of corruption in this process, and how would I verify that the ...
2
votes
1answer
399 views

Apache serving files from an encrypted drive returns a 403 forbidden error

I create a sparsebundle and mount it as a virtual drive for each development project I work on. This works great until I needed to add encryption to one of the projects for added security of my ...
0
votes
1answer
152 views

Encrypting files within a container on a virtual linux system without kernel modules

I have a virtualized linux system (vserver) that gives me all root privileges except manipulation of kernel modules. Now I wish to have a solution similar to TrueCrypt where I can create an encrypted ...
1
vote
2answers
1k views

md-RAID5 - How fast should it be or where is the bottleneck?

I set up a new server with a LUKS encrypted RAID5. On the former server, the bottleneck was definitely the CPU, as it was a 7y old single core and the load went up to 100%. Now it is different. I ...
8
votes
3answers
4k views

How to create a randomly keyed, encrypted swap partition, referring to it “by-uuid”, on Debian?

It is sensible that if you have any sort of block device encryption implemented on your GNU/Linux system, to encrypt your swap partition too, as any decrypted data may be written in cleartext at any ...
1
vote
2answers
1k views

How much performance cost for hdd encryption on NAS?

I recently purchased a NAS and it offers encryption. It is a QNAP TS459 Pro II. How much will performance be impacted if I choose to encrypt the data on the device?
2
votes
1answer
2k views

How to prevent users from copying or printing files?

The head of my company is concerned about data leak. In order to strengthen the protection of sensitive data I have to limit ability to copy and print certain files from the employess notebooks. I ...
0
votes
2answers
1k views

Encrypting an ODBC connection

Situation: We have a SQL Server 2008 R2 database sitting in a data centre We would like to allow analysts to connect to the database and query the data using desktop based tools (e.g. Tableau) via ...
2
votes
2answers
114 views

Decrypting a Linux/Ubuntu encryptedfs? [closed]

I have an image of a linux machine with an encryptedfs (/home/.private, etc). Is it possible to export the file structure and mount it from a different linux box/VM?
1
vote
4answers
133 views

Encrypting a link between two data outlets on the same LAN

I have two systems in a rack that are directly linked together with a 0.25m Cat 5e cable so they can exchange data via NFS. As you may know, plain NFS does not inherently support encryption or user ...