| 001 Comparing a Caesar Cipher to a General Substitution Cipher.mp4 | 44.8 MB | ||
| 001 Decrypting a message encrypted by a Caesar Cipher when the shift is known.mp4 | 53.9 MB | ||
| 001 Encrypting messages with a Caesar Cipher with Shift = 1, Part 1.mp4 | 1.3 MB | ||
| 001 Introduction to Polyalphabetic Ciphers.mp4 | 71.8 MB | ||
| 001 Introduction.mp4 | 24.3 MB | ||
| 002 Encrypting messages with a Caesar Cipher Part 2.mp4 | 37.6 MB | ||
| 002 What is Cryptography'.mp4 | 39.4 MB | ||
| 002 Worked Solutions for Exercise in Previous Video.mp4 | 13.7 MB | ||
| 002 Worked Solutions to Questions in Previous Video.mp4 | 8.8 MB | ||
| 002 Worked solutions for exercises in previous video.mp4 | 36.6 MB | ||
| 003 A Brief History of Cryptography before Computers.mp4 | 43.5 MB | ||
| 003 Decrypting a Caesar Cipher using a Brute Force Approach - Part 1.mp4 | 61.5 MB | ||
| 003 Examples of General Substitution Ciphers.mp4 | 49.5 MB | ||
| 003 The Alberti Cipher.mp4 | 54.3 MB | ||
| 003 Worked solutions for suggested exercises using a Caesar Cipher with shift = 1.mp4 | 34 MB | ||
| 004 Caesar Ciphers.mp4 | 27.3 MB | ||
| 004 Decrypting a Caesar Cipher using a Brute Force Approach - Part 2.mp4 | 48.9 MB | ||
| 004 Encrypting Messages with a Caesar Cipher using Shift = 2.mp4 | 46.9 MB | ||
| 004 The Vigenere Cipher.mp4 | 81.7 MB | ||
| 004 Worked Solutions for Questions in Previous Video.mp4 | 18.9 MB | ||
| 005 Can We Decrypt a General Substitution Cipher using the Brute Force Approach.mp4 | 62.9 MB | ||
| 005 General Substitution Ciphers.mp4 | 51.3 MB | ||
| 005 Worked Solutions for Decrypting a Message using Brute Force.mp4 | 53.4 MB | ||
| 005 Worked Solutions for Exercise to Encrypt a Message Using a Vigenere Cipher.mp4 | 46.3 MB | ||
| 005 Worked solutions for suggested exercises in video for Caesar Cipher Shift=2.mp4 | 35.8 MB | ||
| 006 Answers to questions in Section 1.mp4 | 28.7 MB | ||
| 006 Decrypting a Caesar Cipher using the Frequency of Letters - Part 1.mp4 | 40.8 MB | ||
| 006 Decrypting a Message Encrypted by a Vigenere Cipher.mp4 | 59.6 MB | ||
| 006 Encrypting Messages with a Caesar Cipher using any Shift.mp4 | 37.6 MB | ||
| 006 Using Frequency Analysis to Decrypt a General Substitution Cipher.mp4 | 79.1 MB | ||
| 007 Decrypting messages using frequency of letters - Part 2.mp4 | 87 MB | ||
| 007 Worked Solutions for Exercise in Decrypting with a Vigenere Cipher.mp4 | 24.3 MB | ||
| 007 Worked Solutions for Questions in Previous Video.mp4 | 25.8 MB | ||
| 007 Worked solutions for suggested exercises in video on encrypting with any shift.mp4 | 20.8 MB | ||
| 008 Cryptograms - Part 1.mp4 | 75.5 MB | ||
| 008 Encrypting Messages with the Caesar Cipher called ROT13.mp4 | 39.3 MB | ||
| 008 Worked Solutions for Exercises in Decrypting Messages using Frequency Letters.mp4 | 50 MB | ||
| 009 Decrypting messages using frequency of words.mp4 | 71.7 MB | ||
| 009 Worked Solutions for Cryptogram in Previous Video.mp4 | 54.5 MB | ||
| 009 Worked solutions for suggested exercises in previous video.mp4 | 18.2 MB | ||
| 010 Cryptograms - Part 2.mp4 | 81.6 MB | ||
| 010 Summary for Encrypting with Caesar Ciphers.mp4 | 19 MB | ||
| 010 Worked Solutions for Exercises in Decrypting Messages using Frequency of Words.mp4 | 26.1 MB | ||
| 011 Summary of decrypting messages encrypted with a Caesar Cipher.mp4 | 50 MB | ||
| 011 Worked Solutions to Cryptograms from the Previous Video.mp4 | 110.6 MB | ||
| 011 Worked solutions for suggested exercises in previous review video.mp4 | 32.2 MB | ||
| 012 Make Your Own Substitution Cipher.mp4 | 48.1 MB | ||
| 012 Worked Solutions for Exercises in Summary of Decrypting Messages using Caesar.mp4 | 72.4 MB | ||
| 40313876-Introduction-Solutions.pdf | 36 KB | ||
| 40334898-Caesar-Shift2-Answers.pdf | 25.3 KB | ||
| 40334998-Caesar-Shift1-Answers.pdf | 25.4 KB | ||
| 40335030-Caesar-Shift-General-Answer.pdf | 24.7 KB | ||
| 40335094-Caesar-Shift-ROt13-Answer.pdf | 25.7 KB | ||
| 40335170-Caesar-Encryption-Review-Answers.pdf | 25.5 KB | ||
| 40337586-Decrypt-Caesar-Shift-Known-Answers.pdf | 25.4 KB | ||
| 40337788-Decrypt-Caesar-Brute-Force-Answers.pdf | 26.5 KB | ||
| 40337974-Decrypt-Caesar-Frequency-Letters-Answers.pdf | 25.5 KB | ||
| 40338350-Decrypt-Caesar-Frequency-Words-Answerx.pdf | 26.4 KB | ||
| 40338614-Decrypt-Caesar-Summary-Answers.pdf | 26.5 KB | ||
| 40356768-Substitution-Solutions-introduction.pdf | 25.2 KB | ||
| 40357616-Substitution-Solutions-Examples.pdf | 27 KB | ||
| 40358016-Substitution-Solutions-Frequency-Analysis.pdf | 24.3 KB | ||
| 40359298-Substitution-Solutions-Cryptogram1.pdf | 24.8 KB | ||
| 40383126-Cryptogram1.pdf | 13.3 KB | ||
| 40383128-Cryptogram2A.pdf | 14.4 KB | ||
| 40383136-Cryptogram2B.pdf | 14.7 KB | ||
| 40383182-Substitution-Solutions-Cryptogram2.pdf | 33.8 KB | ||
| 40394096-Polyalphabetic-Solutions-Introduction.pdf | 23.5 KB | ||
| 40394102-Polyalphabetic-Solutions-Vigenere-Encryption.pdf | 24.6 KB | ||
| 40394194-Polyalphabetic-Solutions-Vigenere-Decryption.pdf | 24.1 KB | ||
| Bonus Resources.txt | 409.6 B | ||
| Get Bonus Downloads Here.url | 204.8 B | ||
| ▲ 72 total files | |||
Cryptography for Kids
https://DevCourseWeb.com
Genre: eLearning | MP4 | Video: h264, 1280x720 | Audio: AAC, 48.0 KHz
Language: English | Size: 2.14 GB | Duration: 5h 13m
Cryptography before Computers
What you'll learn
Learn about Cryptography before computers
Use ciphers to send messages to friends that no one else can read
Have fun solving cryptograms by decrypting ciphers
Learn to make your own substitution cipher
Requirements
Ability to read, count & know the alphabet; everything else you will learn.
Description
This course was developed for kids to learn about cryptography but should be purchased by a supervising adult. In this course students learn about how Cryptography was used to keep information secret before computers and the internet. We learn about encrypting messages which just means to make them unreadable except for someone who has the KEY. Decrypting a message just means to take the unreadable text (called ciphertext) and turn it into readable text (called plaintext). If we have the KEY, decryption is easy. However, if we don't have the KEY then decryption is like solving a puzzle. We study Caesar Ciphers (named after Julius Caesar), general Substitution Ciphers like the Pigpen Cipher or the Atbash Cipher and polyalphabetic ciphers like the Alberti and Vigenere Ciphers. The decryption techniques we learn are Brute Force and Frequency Analysis; that is, using the frequency of letters and words in English to help decrypt messages. We learn which decryption technique works for which types of ciphers. We have fun doing cryptograms and students even learn how to create their own cipher using letters, numbers, symbols or even emojis. This course will help students in their logical problem solving skills. There are lots of practice problems with worked solutions in separate videos. All videos were created with the whiteboard animation software videoscribe.
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