This site from the Global Internet Liberty Campaign reports on a 1998 survey conducted by the Electronic Privacy Information Center which asked world nations about their encryption policies. The survey got results from over 75 nations,...

These guidelines describes the primary alternative methods for verifying the identities of computer system users, and provides recommendations toFederal agencies and departments for the acquisition and use of technology which supports...

Public Key Encryption, an asymmetric encryption technique, is used to allow computers to securely communicate. The high level process is explained in this article.

Symmetric encryption techniques are explained including the Vigenere Cipher and AES-128.

This article describes the legal and technical issues involved in cryptography. It also discusses government proposals concerning the clipper chip.

Test if you decrypted the secret code.

A comprehensive guide to protecting your business in today's digital world.

Based off of the hit television show NUMB3RS, this lesson introduced students to simple coding techniques (namely, the shift cipher). Students learn to translate codes from nonsense to English by quantifying each letter, and then...

This is the text and video of Arthur W. Coviello's keynote speech at the RSA Conference delivered on February 25, 2014, in San Francisco, California.

This is the text, audio, and video [40:52] of Secretary of Defense Ashton Carter's Drell Lecture on innovation and cybersecurity delivered on April 23, 2015, at Stanford University, in Palo Alto, California.

Test to see if you successfully decrypted clues.

A quick comprehension check over congruence relation.

A quick check to practice decrypting messages.

Practice problems over modular multiplication in cryptography.

Practice problems for reviewing modular addition in cryptography.

Practice using the modulo operator.

Find out the basics of modular arithmetic.

"Protecting the Human Right to Freedom of Expression on the Global Internet" is the resource's topic. Lists the Global Internet Liberty Campaign's principles for promoting human rights and civil liberties. Introduction and overview...