Online Cryptography Course by Dan Boneh |

Instructor: Dan Boneh, Stanford University

Online cryptography course preview:This page contains all the lectures in the free cryptographycourse.To officially take the course, including homeworks, projects,and final exam, please visit the course page at Coursera.

Go to course

Textbook: The following is a free textbook for the course.The book goes into more depth, including security proofs, and many exercises.

Slides for week 1:

What is cryptography?

Crash course in discrete probability

Stream Ciphers 1: the one-time pad and stream ciphers

Stream Ciphers 2: attacks and common mistakes

Stream Ciphers 3: real-world examples

Stream Ciphers 4: what is a secure cipher?

Slides for week 2:

Block Ciphers 1: overview

Block Ciphers 2: The Data Encryption Standard

Block Ciphers 3: AES and other constructions

How to Use Block Ciphers 1: one-time key

How to Use Block Ciphers 2: many-time key

Slides for week 3:

Message Integrity 1: definitions

Message Integrity 2: constructions

Collision Resistance 1: what is a collision resistant function?

Collision Resistance 2: constructions

HMAC: a MAC from a hash function

Slides for week 4:

Authenticated Encryption 1: why is it so important?

Authenticated Encryption 2: standard constructions

Authenticated Encryption 3: pitfalls

Odds and Ends 1: how to derive keys

Odds and Ends 2: searching on encrypted data

Odds and Ends 3: disk encryption and creditcard encryption

Slides for week 5:

Basic Key Exchange 1: problem statement

Basic Key Exchange 2: two solutions

Number Theory 1: modular arithmetic

Number Theory 2: easy and hard problems

Slides for week 6:

Public Key Encryption from Trapdoor Permutations

Public Key Encryption from Trapdoor Permutations: RSA

Public Key Encryption from Trapdoor Permutations: attacks

Public Key Encryption From Diffie-Hellman: ElGamal

Public Key Encryption: summary

Slides for week 7:

To Foil NSA Spies, Encrypt Everything [Last Updated On: January 23rd, 2014] [Originally Added On: January 23rd, 2014]
What is cryptography? - A Word Definition From the ... [Last Updated On: January 23rd, 2014] [Originally Added On: January 23rd, 2014]
cryptography: Definition from Answers.com [Last Updated On: January 23rd, 2014] [Originally Added On: January 23rd, 2014]
Cryptography - Wikipedia, the free encyclopedia [Last Updated On: January 23rd, 2014] [Originally Added On: January 23rd, 2014]
Cryptography - CISSP Domain 07 - Video [Last Updated On: January 23rd, 2014] [Originally Added On: January 23rd, 2014]
Cryptography Advanced Encryption Standard AES Tutorial,fips 197 - Video [Last Updated On: January 23rd, 2014] [Originally Added On: January 23rd, 2014]
Faraday Project for Network Security and Cryptography - Video [Last Updated On: January 23rd, 2014] [Originally Added On: January 23rd, 2014]
An Overview of Cryptography - Gary C. Kessler [Last Updated On: January 23rd, 2014] [Originally Added On: January 23rd, 2014]
An Open Letter from US Researchers in Cryptography and ... [Last Updated On: January 24th, 2014] [Originally Added On: January 24th, 2014]
Gambling with Secrets Part 4 8 Private Key Cryptography - Video [Last Updated On: January 24th, 2014] [Originally Added On: January 24th, 2014]
Gambling with Secrets Part 1 8 What is Cryptography - Video [Last Updated On: January 24th, 2014] [Originally Added On: January 24th, 2014]
Public Key Cryptography RSA Encryption Algorithm - Video [Last Updated On: January 24th, 2014] [Originally Added On: January 24th, 2014]
Public Key Cryptography Diffie Hellman Key Exchange - Video [Last Updated On: January 24th, 2014] [Originally Added On: January 24th, 2014]
Intro to Cryptography - Video [Last Updated On: January 24th, 2014] [Originally Added On: January 24th, 2014]
Caesar Cipher Ancient Cryptography - Video [Last Updated On: January 24th, 2014] [Originally Added On: January 24th, 2014]
50 top US cyber security experts write open letter calling for end to NSA 'snoop-ops' [Last Updated On: January 26th, 2014] [Originally Added On: January 26th, 2014]
Prominent cryptography and security researchers deplore NSA's surveillance activities [Last Updated On: January 27th, 2014] [Originally Added On: January 27th, 2014]
Obama Stays Silent on Reform of NSA's Crypto Subversion [Last Updated On: January 30th, 2014] [Originally Added On: January 30th, 2014]
Cryptography experts sign open letter against NSA surveillance [Last Updated On: January 30th, 2014] [Originally Added On: January 30th, 2014]
US crypto researchers to NSA: If you must track, track responsibly [Last Updated On: January 30th, 2014] [Originally Added On: January 30th, 2014]
Java Cryptography Architecture (JCA) Overview - Video [Last Updated On: January 30th, 2014] [Originally Added On: January 30th, 2014]
Cryptography - Part 1 - Video [Last Updated On: January 30th, 2014] [Originally Added On: January 30th, 2014]
Cryptography - Part 2 - Video [Last Updated On: January 30th, 2014] [Originally Added On: January 30th, 2014]
International Journal on Cryptography and Information Security ( IJCIS) - Video [Last Updated On: January 30th, 2014] [Originally Added On: January 30th, 2014]
Bitcoin Lowdown: Block Chain Cryptography Trumps Human Trust, Deal With It - Video [Last Updated On: January 31st, 2014] [Originally Added On: January 31st, 2014]
Bitcoin Lowdown: Block Chain Cryptography Trumps Human Trust - Video [Last Updated On: January 31st, 2014] [Originally Added On: January 31st, 2014]
NSA and GCHQ spoofed LinkedIn to hack Belgian cryptography professor [Last Updated On: February 1st, 2014] [Originally Added On: February 1st, 2014]
Lecture 17: Elliptic Curve Cryptography (ECC) - Video [Last Updated On: February 1st, 2014] [Originally Added On: February 1st, 2014]
Cryptography event - Pravega 2014 - Video [Last Updated On: February 3rd, 2014] [Originally Added On: February 3rd, 2014]
Lecture 1: Introduction to Cryptography - Video [Last Updated On: February 3rd, 2014] [Originally Added On: February 3rd, 2014]
US and UK spy agencies accused of swoop on Belgian cryptography expert [Last Updated On: February 4th, 2014] [Originally Added On: February 4th, 2014]
Conceal: Facebook's new Java APIs for cryptography on Android [Last Updated On: February 4th, 2014] [Originally Added On: February 4th, 2014]
Cryptography Apps: How To Keep Your Personal Info Private [Last Updated On: February 4th, 2014] [Originally Added On: February 4th, 2014]
Cryptography Breakthrough Could Make Software Unhackable [Last Updated On: February 4th, 2014] [Originally Added On: February 4th, 2014]
Oi, Android devs! Facebook wants your apps to be more secure [Last Updated On: February 5th, 2014] [Originally Added On: February 5th, 2014]
Lecture 19: Elgamal Digital Signature - Video [Last Updated On: February 5th, 2014] [Originally Added On: February 5th, 2014]
Lecture 18: Digital Signatures and Security Services - Video [Last Updated On: February 5th, 2014] [Originally Added On: February 5th, 2014]
Cryptography 1. List some of the attacks on the Diffie ... [Last Updated On: February 6th, 2014] [Originally Added On: February 6th, 2014]
Cryptography Breakthrough Could Make Software Unhackable ... [Last Updated On: February 6th, 2014] [Originally Added On: February 6th, 2014]
Cryptography: Secret Coding, Spying, and E-Commerce - Video [Last Updated On: February 6th, 2014] [Originally Added On: February 6th, 2014]
Cryptography - Video [Last Updated On: February 9th, 2014] [Originally Added On: February 9th, 2014]
Public Key Cryptography: RSA Encryption Algorithm - Video [Last Updated On: February 10th, 2014] [Originally Added On: February 10th, 2014]
Is Bitcoin Anonymous? Arvind Narayanan | Princeton University | Real World Cryptography Workshop - Video [Last Updated On: February 10th, 2014] [Originally Added On: February 10th, 2014]
A Competitive Study of Cryptography Techniques over Block Cipher - Video [Last Updated On: February 14th, 2014] [Originally Added On: February 14th, 2014]
How Quantum Computing Will Change Cryptography [Last Updated On: February 15th, 2014] [Originally Added On: February 15th, 2014]
REALITY LOST - EXCERPT SIX (QUANTUM CRYPTOGRAPHY) - Video [Last Updated On: February 15th, 2014] [Originally Added On: February 15th, 2014]
Introduction to Cryptography of Bitcoin, Explained! - Video [Last Updated On: February 18th, 2014] [Originally Added On: February 18th, 2014]
[FOSDEM 2014] USE OTR or how we learned to start worrying and love cryptography - Video [Last Updated On: February 18th, 2014] [Originally Added On: February 18th, 2014]
Reshif's Cryptography Challenge Solution/Walkthrough - Video [Last Updated On: February 20th, 2014] [Originally Added On: February 20th, 2014]
[DEFCON 19] Steganography and Cryptography 101 - Video [Last Updated On: February 22nd, 2014] [Originally Added On: February 22nd, 2014]
A Brief Rundown Of The Spying Questions Intel's CEO Won't Answer [Last Updated On: February 25th, 2014] [Originally Added On: February 25th, 2014]
DEF CON 8 - Jon Erickson - Number Theory Complexity, Theory, Cryptography, and Quantum Computing. - Video [Last Updated On: February 26th, 2014] [Originally Added On: February 26th, 2014]
Was YOUR iPhone at risk of being hacked? Bug in Apple update left mobiles open to identity theft for up to 18 months ... [Last Updated On: February 27th, 2014] [Originally Added On: February 27th, 2014]
Security researchers urge tech companies to explain their cryptographic choices [Last Updated On: February 27th, 2014] [Originally Added On: February 27th, 2014]
Apple reveals algorithm behind 'encrypted' iMessages [Last Updated On: February 28th, 2014] [Originally Added On: February 28th, 2014]
Wiliest Ways to Keep the NSA at Bay [Last Updated On: March 1st, 2014] [Originally Added On: March 1st, 2014]
How to Pronounce Cryptography - Video [Last Updated On: March 1st, 2014] [Originally Added On: March 1st, 2014]
cryptography in DNS - Video [Last Updated On: March 3rd, 2014] [Originally Added On: March 3rd, 2014]
Who is the reclusive billionaire creator of Bitcoin? [Last Updated On: March 4th, 2014] [Originally Added On: March 4th, 2014]
How to say cryptography in Italian - Video [Last Updated On: March 4th, 2014] [Originally Added On: March 4th, 2014]
Massive Linux security flaw dwarfs Apple’s cryptography problems of just last week [Last Updated On: March 5th, 2014] [Originally Added On: March 5th, 2014]
Security lessons from RSA [Last Updated On: March 5th, 2014] [Originally Added On: March 5th, 2014]
Visual Cryptography - Video [Last Updated On: March 5th, 2014] [Originally Added On: March 5th, 2014]
Classical Computing Embraces Quantum Ideas [Last Updated On: March 6th, 2014] [Originally Added On: March 6th, 2014]
Quantum Cryptography Conquers Noise Problem [Last Updated On: March 6th, 2014] [Originally Added On: March 6th, 2014]
REALITY LOST Bonus scene 4. Quantum cryptography Founding Fathers. - Video [Last Updated On: March 7th, 2014] [Originally Added On: March 7th, 2014]
Quantum Cryptography: From Theory to Practice - Video [Last Updated On: March 9th, 2014] [Originally Added On: March 9th, 2014]
Forcing Trust: Nonlocal Games and Untrusted-device Cryptography - Video [Last Updated On: March 9th, 2014] [Originally Added On: March 9th, 2014]
TrustyCon 2014 - New Frontiers in Cryptography - Video [Last Updated On: March 9th, 2014] [Originally Added On: March 9th, 2014]
REALITY LOST Bonus scene 3. Christian Kurtsiefer on hacking quantum cryptography. - Video [Last Updated On: March 9th, 2014] [Originally Added On: March 9th, 2014]
Nerlens Noel Tweets Date for Potential NBA Debut [Last Updated On: March 9th, 2014] [Originally Added On: March 9th, 2014]
CISSP SG Cryptography - Video [Last Updated On: March 10th, 2014] [Originally Added On: March 10th, 2014]
More secure communications thanks to quantum physics [Last Updated On: March 13th, 2014] [Originally Added On: March 13th, 2014]
New Cryptography Scheme Secured By Quantum Physics [Last Updated On: March 13th, 2014] [Originally Added On: March 13th, 2014]
History Of Cryptography - Video [Last Updated On: March 14th, 2014] [Originally Added On: March 14th, 2014]
avc 19 Cryptography x264 - Video [Last Updated On: March 15th, 2014] [Originally Added On: March 15th, 2014]
Edward Snowden Speaks at SXSW [Last Updated On: April 10th, 2017] [Originally Added On: March 15th, 2014]
Tor is building an anonymous instant messenger [Last Updated On: April 10th, 2017] [Originally Added On: March 15th, 2014]
learn cryptography learn the following pkcs refrences - Video [Last Updated On: March 16th, 2014] [Originally Added On: March 16th, 2014]
[Lec-2][Part-2] Shift Cipher - Symmetric ciphers - Video [Last Updated On: March 16th, 2014] [Originally Added On: March 16th, 2014]