to searchsecurity.techtarget.com‚ “Encryption is the conversion of data into a form‚ called a ciphertext that cannot be easily understood by unauthorized people.” In order to understand the data or the message that is being sent‚ the receiver must be able to decrypt the message. Decryption thus refers to the process of converting the message from cipher text into its original format or plaintext whereby the reader would be able to understand the message. Encryption is used to ensure the confidentiality
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network. Date encryption is‚ in its simplest terms‚ the translation of data into a secret code. In order to read an encrypted file‚ the receiver of the file must obtain a secret key that will enable him to decrypt the file. A deeper look into cryptography‚ cryptanalysis‚ and the Data Encryption Standard (DES) will provide a better understanding of data encryption. Cryptographic Methods There are two standard methods of cryptography‚ asymmetric encryption and symmetric encryption. Data that is
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Symmetric Encryption Sherrie Brown DeVry University It is our understanding that your institution has completed a recent collaboration. While each establishment handles immensely sensitive information‚ it is to your best interest to utilize the most current cryptology that technology offers. In consideration of the nature of the respected material I suggest your Chief Information Officer fervently consider implementing Symmetric Encryption. Symmetric Encryption is the oldest and best known
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ENCRYPTION Introduction Often there has been a need to protect information from ’prying eyes’. In the electronic age‚ information that could otherwise benefit or educate a group or individual can also be used against such groups or individuals. Industrial espionage among highly competitive businesses often requires that extensive security measures be put into place. And‚ those who wish to exercise their personal freedom‚ outside of the oppressive nature of governments‚ may also wish to encrypt
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128-Bit Encryption ISSC361 B002 American Military University 128-Bit Encryption Most Web browsers now use “128-bit encryption” to exchange data with secure Web sites. But what does this mean? In order for web browsers to exchange data with secure websites they now use 128-bit encryption. This means that there are 2128 different key combinations that an attacker would have to work his or her way through‚ assuming that the last key was the correct one‚ in order to find the right encryption key
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protect our information to the fullest possible length? Or is there a way to use both types of encryption that would maximize our protection efforts? It’s time to explore our options for keeping our information under lock and key. To truly be able to decide which encryption type would work best we must first understand how they work and the components that define each. Both asymmetric and symmetric encryption use a key “that is applied to the text of a message to change the content in a particular way”
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Disk Encryption The Health Information Technology for Economic and Clinical Health (HITECH) Act of 2009 redefined the HIPAA Security Rule definition of “secure data” as data that is encrypted. Because of this‚ we are required to encrypt all laptops with the Optimus eMAR software installed. HITECH also laid out clear rules for notifying individuals and the U.S. Department of Health and Human Services in the case of a data breach. If an encrypted device goes missing‚ there is no such notification
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DATA ENCRYPTION AND DECRYPTION WITH ELLIPTIC CURVE CRYPTOGRAPHY Ravi Kumar Kodali Department of ECE National Institute of Technology Warangal‚506004‚INDIA Abstract—Elliptic curve cryptography is the most popular cryptographic technique that provides higher security with a lesser key size.ECC Encryption and Decryption are implemented through Elliptic curve points operations like point addition‚subtraction‚doubling and scalar point multiplication.ECC cryptography technique is quite useful for
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into any one of those systems‚ then they have the potential to see what’s traveling through the wire. Normally‚ web requests are sent over regular HTTP‚ where a client’s request and the server’s response are both sent as plain text. Public key encryption is a type of cryptographic system where each party has both a private and a public key‚ which are mathematically linked to each other. The public key is used for encrypting plaintext to “ciphertext” (essentially‚ gibberish)‚ while the private key
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Badulescu and Alex Shender‚ Cryptfs: A Stackable Vnode Level Encryption File System. Retrieved April 12‚ 2006‚ from http://www.cs.columbia.edu/~ezk/research/cryptfs/cryptfs.pdf Bibliography Linux Reviews (2006) Microsoft (2006). Windows Vista Developer Center. Retrieved April 19‚ 2006‚ from http://msdn.microsoft.com/windowsvista/ Rodriguez‚ Jesus (2004) WinMagic (2006). WinMagic Hard Disk Encryption - The most secure and versatile disk encryption software. Retrieved April 19‚ 2006‚ from http://www.winmagic
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