An informal introduction to cryptography. Part of a larger series teaching programming at http://codeschool.org
From playlist Cryptography
Network Security: Classical Encryption Techniques
Fundamental concepts of encryption techniques are discussed. Symmetric Cipher Model Substitution Techniques Transposition Techniques Product Ciphers Steganography
From playlist Network Security
Cryptanalysis of Classical Ciphers
Cryptography and Network Security by Prof. D. Mukhopadhyay, Department of Computer Science and Engineering, IIT Kharagpur. For more details on NPTEL visit http://nptel.iitm.ac.in
From playlist Computer - Cryptography and Network Security
Block Ciphers and Data Encryption Standard (DES): Part 2
Fundamental concepts of Block Cipher Design Principles are discussed. Differential cryptanalysis and linear cryptanalysis are explained.
From playlist Network Security
Off-the-Record Messaging: Useful Security and Privacy for IM
May 23, 2007 lecture by Ian Goldberg for the Stanford University Computer Systems Colloquium (EE 380). In this talk, Ian discusses "Off-the-Record Messaging" (OTR), a widely used software tool for secure and private instant messaging; he outlines the properties of Useful Security and Priva
From playlist Course | Computer Systems Laboratory Colloquium (2006-2007)
Picking E And D Solution - Applied Cryptography
This video is part of an online course, Applied Cryptography. Check out the course here: https://www.udacity.com/course/cs387.
From playlist Applied Cryptography
Network Security, Part 2 : Public Key Encryption
Fundamental concepts of public key encryption are discussed. RSA encryption method explained with an example. Confidentiality of message is presented.
From playlist Cryptography, Security
Correctness Of RSA - Applied Cryptography
This video is part of an online course, Applied Cryptography. Check out the course here: https://www.udacity.com/course/cs387.
From playlist Applied Cryptography
Cryptography and Preventing Collusion in Second Price (Vickery) Auctions - Michael Rabin
Michael Rabin Harvard University and Columbia University April 29, 2013 We present practically efficient methods for proving correctness of announced results of a computation while keeping input and intermediate values information theoretically secret. These methods are applied to solve th
From playlist Mathematics
Symmetric Key Cryptography: The Caesar Cipher
This is the first in a series about cryptography; an extremely important aspect of computer science and cyber security. It introduces symmetric key cryptography with a well known substitution cipher, namely the Caesar Cipher. It includes a few examples you can try for yourself using diff
From playlist Cryptography
For more information visit: http://bit.ly/OHM13_web To download the video visit: http://bit.ly/OHM13_down Playlist OHM 2013: http://bit.ly/OHM13_pl Speakers: Jurre van Bergen | David Goulet USE OTR is an organisation that works on security, encryption and usability of open source instant
From playlist OHM 2013
DEFCON 18: Changing Threats To Privacy: From TIA to Google 3/3
Speaker: Moxie Marlinspike A lot has changed since discussions around digital privacy began. The security community won the war for strong cryptography, anonymous darknets have been successfully deployed, and much of the communications infrastructure has been decentralized. These strate
From playlist DEFCON 18-2
You Should Make A Digital Bugout Bag
Support independent research and analysis by joining my Patreon page: https://www.patreon.com/thehatedone International Red Cross recommends that all persons have an emergency survival kit with multiday supplies of the most essential items. This is in case of any natural or man-made cri
From playlist TUTORIALS & HOW TO's
ShmooCon 2014: Keynote - Privacy Online: What Now?
For more information visit: http://bit.ly/shmooc14 To download the video visit: http://bit.ly/shmooc14_down Playlist Shmoocon 2014: http://bit.ly/shmooc14_pl Speaker: Ian Goldberg Recent revelations about data and metadata collection of Internet users' communications have been extremely
From playlist ShmooCon 2014
DEFCON 14: The Plausible Deniability Toolkit
Speakers: weasel, Nomad Mobile Research Centre simple nomad, Nomad Mobile Research Centre Abstract: The Plausible Deniability Toolkit is a collection of processes and tools designed to protect its users from invasions of privacy and infringement of civil rights by oppresive organizations
From playlist DEFCON 14
Blackhat Europe 2010: Changing Threats To Privacy: From TIA to Google 5/7
Clip 5/7 Speaker: Moxie Marlinspike We won the war for strong cryptography, anonymous darknets exist in the wild today, and decentralized communication networks have emerged to become reality. These strategies for communicating online were conceived of in anticipation of a dystopian futur
From playlist Black Hat Europe 2010
How To Protect Your Online Privacy With A Threat Model | Tutorial 2022
Privacy tutorial with a threat model methodology. This will help you achieve strong privacy consistently and reliably. Support independent research: https://www.patreon.com/thehatedone Privacy tools are inconsistent. The inventory of recommended countermeasures changes all the time. On t
From playlist Security by compartmentalization - learn to protect your privacy effectively
Speaker: William Manning Booz Allen Hamilton What Cloak? Recent policy proposals from the US Executive seem to call for government support for strong encryption use by individuals and vendors in the name of protecting privacy and anonymity. Yet strong encryption is still considered a cont
From playlist DEFCON 19
Public Key Cryptography & RSA: Part 1
Fundamental concepts of Public Key Encryption are discussed. RSA Public Encryption is presented. Optimization of Private Key operations is analyzed. Public Key Encryption Symmetric vs. Public-Key RSA Public Key Encryption RSA Key Construction Optimizing Private Key Operations RSA Securit
From playlist Network Security