Caesar Cipher Exploration | Khan Academy
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Ciphers vs. codes (article) | Khan Academy
So back to our question: What is the difference between codes and ciphers? Codes generally operate on semantics, meaning, while ciphers operate on syntax, symbols. A code is stored as …
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Ciphers vs. codes (article) | Cryptography | Khan Academy
So back to our question: What is the difference between codes and ciphers? Codes generally operate on semantics, meaning, while ciphers operate on syntax, symbols. A code is stored as …
XOR bitwise operation (article) | Ciphers | Khan Academy
If you’ve seen the lesson on the one-time pad, you know that it is the ultimate shift cipher. It involves the application of a random list of shifts equal to the length of the message.
Symmetric encryption (article) | Khan Academy
In the age of computers, ciphers can't just be hard to crack by an enterprising human; they have to be hard to crack by a computer that can do trillions of calculations per second.
Cyber codes (video) | Cybersecurity | Khan Academy
Without codes, sending information online over unsecured networks or networks with security holes would be like standing in Times Square and shouting your innermost secrets at the top …
The one-time pad (video) | Cryptography | Khan Academy
Imagine Alice rolled a 26 sided die to generate a long list of random shifts, and shared this with Bob instead of a code word. Now, to encrypt her message, Alice uses the list of random shifts …
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XOR and the one-time pad (article) | Ciphers | Khan Academy
Course: Computer science theory > Unit 2 Lesson 2: Ciphers Ciphers vs. codes Shift cipher XOR bitwise operation XOR and the one-time pad