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The Diffie-Hellman Key Exchange

    The Diffie-Hellman key exchange (DHKE) is different then most of the cryptography we have been covering in this blog. That is because we

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    The Diffie-Hellman key exchange (DHKE) is different then most of the cryptography we have been covering in this blog. That …

Introduction     In 1976, Whitfield Diffie and Martin Hellman introduced to the world the concept of public key cryptography also known …

Introduction     This is the beginning of asymmetric cryptography for this series of posts, so if you are just now beginning …

Introduction     Today we won’t actually learn about any new math concepts or algorithms. Instead, we will build upon what we …

This is a continuation of (AES) The Advanced Encryption Standard [Part 1], so it is highly encouraged to read that post before …

Brief History     In 1997, the National Institute of Standards and Technology (NIST) called to replace the DES. By this time …

Motivation     In the next few posts I want to discuss the Advanced Encryption Standard or better known as AES, which …

This is a continuation of (DES) The Data Encryption Standard [Part 1], so it is highly encouraged to read that post before …

Introduction     The Data Encryption Standard (DES) was proposed in the early 1970s by IBM, who based the design of the …

If you have not yet read the last post Stream Ciphers, Random Numbers, and the One-Time Pad it is highly recommended you …

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The Shift Cipher

The shift cipher, or the better-known name the Caesar cipher named after Julius Caesar is one of the simplest encryption techniques. In fact for those