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Linux Cryptography - Page 24

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Encrypt Your Operating System: Ubuntu 7.04 Data Protection Guide

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Did you ever live with the fear that somebody may break into your system one day and steal your files? Well, those days are over, because you can now have an entire encrypted operating system. This was the first time I thought about taking the time to encrypt my whole operating system. Is encrypting the entire operating system worth the time? I feel encrypting persional information like phone numbers or bank information is important but most of what is on my operating system is things I don;t care that others see. However there is a way to encrypt the whole operating system with a Live CD to protect everything on a Linux users computer.


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Comprehensive Guide to Dual Password Encryption With EncFS

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This article is a step-by-step guide to using two passwords with EncFS. The primary password is required and may be used to secure all data; the secondary password is optional and may be stored on USB stick or other removable media and used to secure more sensitive data. EncFS can also be combined with block device encryption for maximum security


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FreeBSD: Camellia Cipher Integration for Improved Network Security

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The Camellia Block Cipher is a new encryption algorithm which was developed by NTT and has been specified in several Internet RFCs as well as being one of the approved encryption methods to be used by the European Union. Developers on the FreeBSD project worked with researchers from NTT to integrate their code, under a BSD license, into the CURRENT branch of FreeBSD, which will become the 7.0 release in the near future.


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Gmail: Improve Privacy With FireGPG Email Encryption Integration

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Gmail may be an excellent Web-based email application, but there is no easy way to use it with privacy tools like GnuPG. The FireGPG extension for Firefox is designed to solve this problem. It integrates nicely into Gmail's interface and allows you to sign and encrypt not only email messages but also text snippets from any Web page.


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Exploring PGP: Encryption, Digital Signatures, And Email Security

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PGP has two uses. First, it is an encryption system that uses public-key cryptography. Each user has a public key and a private key. In simple terms, you can encrypt a message using someone's public key and they can decrypt it using their private key. (A one-off session key is actually involved.) If the private key has been kept truly private, no one else can read the message.


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Exploring Steganography Methods for Data Hiding in Rainbow Tables

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Steganography is the art of hiding messages so that uninitiated wouldn't suspect the presence of a message. A rainbow table is a huge binary file used for password cracking. This is the first in a series of posts on research I've done on how to hide data in rainbow tables, and how to detect its presence. There are several steganography algorithms to hide data in pictures. They often involve changing the least-significant-bits of the numbers representing the color or another visual property of a pixel. This minute difference cannot be perceived by the naked eye, but it this there. The size of the data you can hide in a picture is limited by the size of the picture and by the numbers of bits involved in the steganography algorithm. It


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MIT Quantum Encryption Hack Reveals Future Network Security Risks

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A team of researchers has, for the first time, hacked into a network protected by quantum encryption. Quantum cryptography uses the laws of quantum mechanics to encode data securely. Most researchers consider such quantum networks to be nearly 100% uncrackable. But a group from the Massachusetts Institute of Technology (MIT) in Cambridge was able to 'listen in' using a sort of quantum-mechanical wiretap. The trick allowed them to tease out about half of the data, in a way that couldn't be detected by those transmitting or receiving the message.


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DOD's OpenCrypto Initiative Boosts Security via Open Source Encryption

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The Defense Department has launched a new program to encourage the use of open- source encryption software within DOD systems. The Open Source Software Institute of Hattiesburg, Miss., will support the OpenCrypto Management Program, which is part of DOD


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Improving Encryption Through Advanced Key Management Methods

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Encryption has traditionally been difficult and expensive to use. This reputation was often well deserved. The 1999 study by Alma Whitten and. J. D. Tygar at Carnegie-Mellon University,


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Proofpoint Secure Messaging: New Policy-Based Email Encryption Features

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Proofpoint said it is adding policy-based encryption to its email content filtering appliance. The upgraded Proofpoint Secure Messaging software, slated for availability in June, adds Voltage's identity-based encryption (IBE) technology to the existing content-filtering capabilities, according to company officials. With this addition, Proofpoint's appliances will automatically encrypt email based on policies set by administrators as the messages leave the corporate network.


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Understanding Laptop Encryption: Strategies for Enhanced Security

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To maximize the effectiveness of encryption in providing effective security assurance solutions, organizations must deploy it as part of a defense-in-depth security stance. Like any technology, encryption is plagued with pitfalls, mistakes, and traps that could easily provide an organization with a false sense of confidence in its security, while still allowing attackers to easily compromise the organization


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Enhancing Game Security: Understanding Hash-And-Decrypt Mechanism

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Hash functions are an excellent way to tie together various parts of a protection mechanism. Our first mesh design pattern, hash-and-decrypt, uses a hash function to derive a key that is then used to decrypt the next stage. Since a cryptographic hash (e.g., SHA-1) is sensitive to a change of even a single bit of input, this pattern provides a strong way to insure the next stage (code, data, more checks) is not accessible unless all the input bits are correct.


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Innovative Quantum Cryptography To Secure Data Against Theft

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Pioneering physicist aims to lock out data hackers with speed-of-light cryptography. Right now, somewhere in the world, hackers are trying to break into central electronic storage facilities to pilfer sensitive data such as credit card information, financial records and personal identification.


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Seagate Momentus 5400 FDE.2 Drives Enhance Security With Biometrics

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Fremont, Calif.-based ASI Computer Technologies will start selling computers equipped with Seagate's Momentus 5400 FDE.2 drive next month, Seagate said in a statement. The computers, called ASI C8015, will be sold through a number of ASI's partners, including Newegg.com, PowerNotebooks.com and ZipZoomfly.com, an ASI representative said.


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Top Data Encryption Errors and Best Practices for Security

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If you follow the media today, you might conclude that data encryption is everywhere. However, is this "good" encryption? A classic saying "Encryption is easy; key management is hard" illustrates one of the pitfalls that await those implementing encryption enterprise-wide or even SMB-wide. This article covers some of the other mistakes that often occur when organizations try to use encryption to protect data at rest and data in transit and thus improve their security posture.


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Toshiba Research Breakthrough in Quantum Key Distribution Security

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A loophole in quantum cryptography that could allow a hacker to determine a secret key transmitted using the technology has been closed by new research. Working at Toshiba Research Europe in Cambridge, scientists found that laser diodes used to transmit keys used to encrypt data, known as Quantum Key Distribution (QKD), sometimes transmitted more than one photon at a time. Quantum encryption works by transmitting key data as a stream of single photons.


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Exploring Moore's Law: Cryptography and App Bloat Challenges

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Cryptography is no mean field. After all, the science was invented by humans for the purpose of concealing information from other humans. That means that the best cryptographers have to be blindingly smart, with a mastery of mathematics but also a firm grasp of human psychology and, these days, fields such as computer science.


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Unlock Maximum Call Privacy with Cryptophone G10i Encryption

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Need absolute privacy on your cell phone calls? Try the Cryptophone. The Cryptophone is a joint venture between Taiwanese smartphone maker HTC, and GSMK of Germany. The Cryptophone is a pretty normal clamshell phone with special software that encrypts your calls with "special software that encrypts calls with 4096 bit Diffie-Hellman key exchange and SHA256 hash function AES 256 and Twofish between Cryptophones."


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StorageTek T10000 Drive Enhances Data Protection With AES-256 Encryption

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The StorageTek Crypto-Ready T10000 drive supports multiple operating systems, including the Solaris OS, Z/OS and Windows. It enables customers to encrypt data using the AES-256 encryption algorithm as it is written to the drive, regardless of the application, operating platform or primary storage device and without impacting backup or restore times.


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Study: Low Encryption Implementation Among IT Managers Shows Urgency

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While 66% of IT and business managers surveyed have "some type" of encryption strategy, only 16% have enterprise-wide strategies, the Ponemon Institute found. While IT and business managers say they know encryption is critical to safeguarding company information on laptops, not many are actually doing it.

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