All pages tagged with cipher
Quantum Encryption - A Means to Perfect Security?
There is controversy about how secure quantum messages are. It is possible to prove that the probability of message interception by an adversary is arbitrarily small, under ideal conditions. People ...
Written by: Bruce R. Auburn and added on April 26, 2011S-Box Modifications and Their Effect in DES-like Encryption Systems
This paper presents the substitution boxes (s-boxes) found in many block ciphers, and more specifically in DES-like encryption systems. It begins with a brief history of the Data Encryption Standard ...
Written by: Joe Gargiulo and added on Feb. 1, 2011History of Encryption
Encryption, process of converting messages, information, or data into a form unreadable by anyone except the intended recipient. Encrypted data must be deciphered, or decrypted, before it can be read ...
Written by: Unknown and added on March 8, 2011Basic Cryptanalysis Techniques
The only application referenced in this document is the CRyptoANalysis ToolKit (CRANK). A basic understanding of cryptanalysis is essential to appreciating the complexities of a good cryptographic algorithm. For example ...
Written by: Craig Smith and added on Feb. 1, 2011Quantum Encryption vs Quantum Computing: Will the Defense or Offense Dominate?
Quantum encryption will soon provide unbreakable ciphers. Quantum computers will soon allow the cracking of every cipher. Does something sound contradictory about those statements? The fact is we have a ...
Written by: Bob Gourley and added on April 12, 2011One Fish, Twofish, Red Fish, Blowfish A History of Cryptography and it's Application in Society
On the sixth day, God created living creatures of every kind; and on the seventh day he rested. Arguably millions of years later, approximately 2000 BC, cryptography was created; though ...
Written by: Joseph Kasten and added on Jan. 30, 2011Importance of Understanding Logs from an Information Security Standpoint
Information Security has many facets and branches, but to really understand what is going on in this new world, you need the ability to read, translate, and understand the wide ...
Written by: Stewart Allen and added on June 16, 2011Developing Security Policies: Charting an Obstacle Course
This paper discusses the issues faced by those at my educational institution in trying to develop security policies. Some highlights include battling the myth of security, deciphering the meaning of ...
Written by: Rosemary Sumajit and added on March 26, 2011MP3Stego: Hiding Text in MP3 Files
With the widespread popularity of the MP3 file format and its ubiquitous presence on storage media and the Internet, it was only a matter of time before it joined ranks ...
Written by: Mark Noto and added on June 8, 2011Reducing False Positives using Vulnerability Assessment
<font size="3"><b>Abstract</b></font><br> <i>Configuring Intrusion Detection System that suits the network is a tedious task for the security analyst. They need to be aware of the network topology and the hosts ...
Written by: Ramesh S and Elango K and added on April 26, 2011