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| Articles about Encryption |
| Working with tar with encryption | | 2008-07-02 04:06:00 | | STEP 1 (Using the tar command on the directory /stuff)
Suppose you have a directory /stuff. To tar everything in stuff to create a “.tar” file.
$ tar -cvf stuff.tar stuff
Which will create “stuff.tar”.
STEP 2 (Using the tar command to create a “.tar.gz” of /stuff)
$ tar -czf stuff.tar.gz stuff
STEP 3 (List the files in the archive)
$ tar -tzf stuff.tar.gz
or
$ tar -tf stuff.tar
STEP 4 (A
| | By: Complete Dose of Linux Poison | | |
| | I can has encryption too? | | 2008-06-25 00:49:00 | | Wow. I didn't even know about this one until a coworker pointed it out to me today.There are three main security/encryption/certificate libraries on Linux. Yep, three. That's two more choices than we need. Hurray?There's the famous OpenSSL, which lots of both proprietary companies and free software projects use.Then there's the freetard gnutls, because you know, GNU/free is more free than free. Seriously, they wrote another implementation because they couldn't deal with the fact that while OpenSSL was BSD licensed, it required that they OpenSSL project be advertised in derivative works. Hey check it, I got this great idea: I want to clone a useful and carefully developed library just so that nobody can tell me how to give the authors credit. Who's with me?Then there's the nss library that came from Mozilla. Not too much to say here, except that it made gnutls pretty much irrelevant, since nss is triple-licensed (of which two are GPL, and LGPL). Take that gnutards!I'd like to again call | | By: Linux Hater's Blog | | |
| | TrueCrypt - Best Free Disk Encryption Software | | 2008-06-13 04:45:18 | | TrueCrypt is an open source project that is extremely simple to configure and use, which is all most people really want. TrueCrypt does not provide boot sector encryption for full disk encryption like DriveCrypt or the upcoming BitLocker in Vista but does allow a user to mount a virtual encrypted volume on a hard drive instead,very cool file encryption software.If you want to protect certain sensitive data, the most viable and simple solution is data encryption. There are many encryption programs to choose from, but when it comes to ease of use and value few can compare to the open-source TrueCrypt software.TrueCrypt can create a virtual encrypted disk within a file and mount it as a virtual disk that can be accessed via a drive letter. It can also encrypt entire hard drive or removable media, such as USB flash drives, floppy disks, and memory sticks.Any file that is saved on the encrypted virtual drive is automatically encrypted on-the-fly, and can only be accessed while the drive is | | By: Free Software For Pc | | |
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| RIM Blackberry / DOT India Encryption Tussle Hots... | | 2008-05-31 22:24:10 | | It seems that the rough weather has been started for the very existence of Canada's patented smart phones maker RIM (Pearl) Blackberry in India.
As we know the DOT / Government of India has already...
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| | By: Free International Calls, Free SMS | | |
| | Data Encryption | | 2008-05-02 14:54:42 | | Current encryption methods are far from perfect—a fact highlighted by the numerous data security breaches that have occurred over the past few years. Technological limitations in the "trusted server" model for encryption and psychological barriers hinder the robust protection of data. A trio of computer science researchers has set out to simplify encryption systems. Their research, which began | | By: Save My Data! | | |
| | Cryptainer LE - free 128-bit encryption software | | 2008-04-15 13:14:05 | | Cryptainer LE is the freeware version of Cypherix’s Cryptainer product. The software is very handy for encrypting sensitive data to send via email. You can also create a 25mb encrypted partition on your PC to store private documents like spreadsheets and .PDF’s . Cryptainer is very easy to use and I use it as a quick and [...] | | By: dixlinx - Daily Windows Freeware Links | | |
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| What do you understand by Obfuscation and Encryption? | | 2008-04-02 22:26:00 | | Encryption involves using a mathematical algorithm and a numeric key to transform text into cipher-text. The readable text has now become unreadable cipher-text. Encryption is usually two-way. In other words, using another mathematical algorithm and the same numeric key, the cipher-text can be reassembled into the originating text.
To obscure something is to make it not easily distinguishable. | | By: Microsoft & Dotnet Interview Questions | | |
| | Encryption: security vs data accessibility | | 2008-04-01 09:41:20 | | Do you encrypt your data? What kind of data are protecting, state secrets or your resume? When it comes to your data it's a balance between security and accessibility. You also need to examine the type of data you are trying to protect. Are those family photos really worth encrypting? On the other hand those personal photos of you and your wife ... well that's another story. What if your drive | | By: Save My Data! | | |
| | Jihadists get encryption upgrade | | 2008-01-26 13:04:00 | | Until recently, al-Qaida didn't pose much of a threat online because it used outdated technology. Having modern encryption tools changes the equation.Last week, an Islamist Web site called Al-Ekhlas released updated encryption software to help keep secret communications from prying eyes. The site is allegedly frequented by al-Qaida supporters.According to the Middle East Media Research Institute, the first version of the software, "Mujahideen Secrets," was released a year ago as "the first Islamic computer program for secure exchange [of information] on the Internet." MEMRI says that the program includes "the five best encryption algorithms, and with symmetrical encryption keys (256 bit), asymmetrical encryption keys (2048 bit) and data compression [tools]."Reuters reports that the new version of the software, "Mujahideen Secrets 2," was developed by Al-Ekhlas "in order to support the mujahideen (holy war fighters) in general and the (al Qaeda-linked group) Islamic State in Iraq in particular."The Al-Ekhlas Web site is hosted by Florida-based Noc4hosts. | | By: THE NEW BABYLON TIMES | | |
| | | Data encryption FAQ | | 2008-01-09 09:11:00 | | There are various types and methods of data encryption. Some of the most popular forms of data encryption include single file encryption, folder encryption, volume encryption, whole disk encryption, and of course email encryption.The Windows XP operating system has the ability to perform file and folder encryption. There are 3rd party tools, like PGP Desktop, which can perform whole disk, logical disk, file, and e-mail encryption. computer forensic servicesIf you routinely deal with confidential or sensitive information, or if you are concerned about private information falling into someone else's hands, encryption may be the way you want to go. However, there are a few things you should be aware of so you don't have a false sense of security.What Is Data Encryption?Throughout ancient and modern history people have come up with ways to mask, hide, and verify that information is secure or valid. For instance; the ancient Babylonians in 4000 B.C. used something call intaglio, a process in which images and writing were carved or etched into stone that identified certain Babylonian merchants when they were trading. Each trader, or merchant, had a specific intaglio to make his mark, this way his customers would know that what they were purchasing belonged to, or was produced by, a specific merchant. This is a bit different then encryption, more like today's digital signature, another process typically part of data encryption.faq | | By: FAQ Guru | | |
| | Secure Chat Sessions Using Pidgin with OTR For Encryption | | 2007-09-12 17:11:13 | | Chatting on AOL Instant Messenger (also known as AIM) is a convenient way to communicate. Many people are unaware of an interesting fact: using the AIM program from AOL is NOT required. It is possible to log on to the AIM network using alternative software such as Pidgin. Pidgin does not have annoying advertisements or excessive features. In fact, you can start with a minimal set of features and add more as you go along by using what are called plug-ins.The Pidgin OTR plug-in uses encryption to create a secure chat environment between two people. The only requirement is that both people are using OTR. Encryption essentially scrambles the text of the conversation with complicated mathematical algorithms. This prevents nosy hackers (which there are more of than most people think) from being able to read conversations should they attempt to "sniff" data being sent over the network. These packet sniffing attacks are more common than people expect, and are completely untraceable since they occur over the network and not directly on the computer. Even if someone assumes they are not likely to be attacked this way, they would not know if the person who they are chatting with is being watched. It could come from prying hackers or even the IT department at their job. In the U.S., it is currently legal for employers to monitor their employees on-line activity in the office without giving notice.Here are step-by-step instructions for downloading and installing Pidgin as well as instructions for downloading and installing the OTR plug-in: Download Pidgin here and install it.After installing, run Pidgin.The first time you run it, it will show you a list of your AIM accounts and ask you which ones you want to import. Select the account(s) you intend on using for Pidgin. Each one you select will ask you for the password and if you want it to remember the password or not. Which one you choose is up to you. Enter your password and choose if you want it to be remembered or | | By: Windows XP Security Tips | | |
| | About Encryption and Making Your System Secure! | | 2007-08-06 06:30:00 | | What does encryption do for me?
Encryption and cryptographic software has been used in many different ways to make systems more secure. This article discusses only a few ways that such software can make your system more secure, including:
1) Encrypting your email 2) Encrypting your files To programs are mentioned that will help encrypt information. There are many more programs out | | By: Share Everything | | |
| | Introduction to Basic Encryption and Decryption | | 2007-07-18 08:34:00 | | Encryption is a familiar sounding word which means to convert readable data
in such a form that it becomes un-understandable or un-meaningful. It is employed
almost everywhere where any confidential data is needed to be kept or transferred.
Encryption goes hand in hand with decryption which means to convert un-meaningful
encrypted data to its original meaningful form.
Here in this article we are going to design two functions, one for encryption
and other for decryption, to illustrate the basic concept of encryption and
decryption.
Please note that the example program provided in this article is for illustrative
purpose only, there are a few limitations in the program which limits its practical
use.
How encryption and decryption works?
The main concept behind encryption is to convert the readable data into something
which looks un-meaningful to us. It could be achieved in various ways but the
simplest one is to change the ASCII code of the data.
Ex.
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