Instructional Video
Khan Academy

Khan Academy: Journey Into Cryptography: The Caesar Cipher

9th - 10th
Lear about the Caesar Cipher with this video.
Instructional Video
Khan Academy

Khan Academy: Journey Into Cryptography: Frequency Stability

9th - 10th
Find out what is the difference between a coin flip and a blind guess.
Instructional Video
Khan Academy

Khan Academy: What Should We Learn Next?

9th - 10th
Help decide what's next! What do you want to learn? [5:17]
Instructional Video
Khan Academy

Khan Academy: The One Time Pad

9th - 10th
The perfect cipher.
Instructional Video
Khan Academy

Khan Academy: Random Primality Test (Warm Up)

9th - 10th
This video lesson provides an introduction to random primality tests and explains how they will work (warm up). This video lesson from Khan Academy is intended for students who are taking an introductory computer science course.
Instructional Video
Khan Academy

Khan Academy: Randomized Algorithms (Intro)

9th - 10th
This video lesson discusses how using random numbers can help speed up a decision algorithm in a computer program. This video lesson from Khan Academy is intended for students who are taking an introductory computer science course.
Instructional Video
Khan Academy

Khan Academy: Time Space Tradeoff

9th - 10th
What is our memory limit? How can save time at the expense of space? During this video lesson from Khan Academy, students will learn about the primality test as it relates to cryptography. This information is intended for students who...
Instructional Video
Khan Academy

Khan Academy: Rsa Encryption: Step 2

9th - 10th
This video shows the second step in setting up a trap-door function for RSA, the public-key cryptosystem that is used for safe data transmission. This video lesson from Khan Academy is intended for students who are taking an introductory...
Instructional Video
Khan Academy

Khan Academy: Rsa Encryption: Step 4

9th - 10th
This video shows the last step in setting up a trap-door function for RSA, the public-key cryptosystem that is used for safe data transmission. This video lesson from Khan Academy is intended for students who are taking an introductory...
Instructional Video
Khan Academy

Khan Academy: Summary (What's Next?)

9th - 10th
This computer science lesson discusses factorization, generating prime numbers, and challenges the viewer think about the possibilities of their applications in the future. This video lesson from Khan Academy is intended for students who...
Instructional Video
Khan Academy

Khan Academy: Sieve of Eratosthenes

9th - 10th
This video lesson discusses the Sieve of Eratosthenes, a method that allows people to generate a list of primes. This video lesson from Khan Academy is intended for students who are taking an introductory computer science course.
Instructional Video
Khan Academy

Khan Academy: Rsa Encryption: Step 3

9th - 10th
This video shows the third step in setting up a trap-door function for RSA, the public-key cryptosystem that is used for safe data transmission. This video lesson from Khan Academy is intended for students who are taking an introductory...
Instructional Video
Khan Academy

Khan Academy: Pseudorandom Number Generators

9th - 10th
In this lesson, random sequences and pseudorandom number sequences are discussed. This video lesson from Khan Academy is intended for students who are taking an introductory computer science course.
Instructional Video
Khan Academy

Khan Academy: The Fundamental Theorem of Arithmetic

9th - 10th
This video lesson from Khan Academy is designed for high school, or college students, who are enrolled in a computer science course. This lesson provides challenges with prime numbers and actorization, information that will later connect...
Instructional Video
Sophia Learning

Sophia: Math in Cryptography: Lesson 3

9th - 10th
In this lesson, the use of math in cryptography is discussed. It is 3 of 5 in the series titled "Math in Cryptography."
Instructional Video
Sophia Learning

Sophia: Math in Cryptography: Lesson 4

9th - 10th
In this lesson, the use of math in cryptography is discussed. It is 4 of 5 in the series titled "Math in Cryptography."
Instructional Video
Sophia Learning

Sophia: Math in Cryptography: Lesson 1

9th - 10th
In this lesson, the use of math in cryptography is discussed. It is 1 of 5 in the series titled "Math in Cryptography."
Audio
Science Friday Initiative

Science Friday: Alan Turing at 100

9th - 10th
A look at the man who is the father of modern computing. [15 min, 25 secs]