Listar por tema "Data encryption (Computer science)"

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    • Evaluation of Different Steganalysis Methods 

      Vélez Torres, Jesús (Polytechnic University of Puerto Rico, 2012)
      Abstract - After the September 11, 2001 terrorist attack on the World Trade Center the United States declared war on terrorism. The Patriot Act (H.R. 3162) was passed, which authorizes law enforcement agencies to monitor ...

    • Steganography and Steganalysis in Digital Images 

      Cruz Vélez, Marcus D. (Polytechnic University of Puerto Rico, 2011)
      Abstract ⎯ Steganography (from the Greek for "covered writing") is the secret transmission of a message. Its main distinction from encryption relies on the capacity of making a message altogether invisible. A steganographic ...

    • Teaching Basic Cryptography Concepts through the Creation of a Cryptographic Learning Tool 

      Arroyo-Serrano, Celedonio (Polytechnic University of Puerto Rico, 2014)
      Cryptography is a common technique used to assure data confidentiality and integrity. With the development of a tool designed to provide basic information and capabilities of cryptography, we can reduce the time that ...