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
Here I introduce XML by covering: XML Basics, Explain what it can do, Compare it to HTML, Explain tags and elements, Show you what XML looks like, Explain the encoding attributes.
From playlist XML Tutorial
Symmetric Key Cryptography: The XOR Cipher
This is the fourth in a series about cryptography; an extremely important aspect of computer science and cyber security. It covers the XOR logical operation, that is the exclusive OR operation, explaining how it can be used to encrypt and decrypt a sequence of binary digits. XOR is an im
From playlist Cryptography
Advanced Encryption Standard (AES)
Fundamental concepts of Advanced Encryption Standard are discussed. Basic structure of AES is presented. AES Decryption is explained. AES Structure AES Round Function AES Key Expansion AES Decryption
From playlist Network Security
Fundamental concepts of IPSec are discussed. Authentication Header is explained. Encapsulating Security Payload (ESP) and Internet Key Exchange (IKE) are analyzed.
From playlist Network Security
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
DeepSec 2013: Mobile Fail: Cracking Open "Secure" Android Containers
For more information and to download the video visit: http://bit.ly/DS13_info Playlist Deepsec 2013: http://bit.ly/DS13_pl Slides: http://bit.ly/1bZeVhO Speaker: Chris John Riley Chris John Riley explains the security of Android containers on mobile phones. His presentation was held at D
From playlist DeepSec 2013
For more information visit: http://bit.ly/28C3_information To download the video visit: http://bit.ly/28C3_videos Playlist 28C3: http://bit.ly/28C3_playlist Speaker: Sebastian Schinzel Exploiting Timing Side Channel Vulnerabilities on the Web Timing side channel attacks are non-
From playlist 28C3: Behind Enemy Lines
DeepSec 2009: Key Management Death Match? Competing KM Standards Technical Deep Dive
Thanks to the DeepSec organisation for making these videos available and let me share the videos on YouTube. Speaker: Marc Massar Key management is a cornerstone of managing and deploying cryptographic devices. Marc Massar discusses the problems connected to key management and standards
From playlist DeepSec 2009
From playlist CS50 Sections 2012
OWASP AppSec 2010: BitFlip: Determine a Data's Signature Coverage from Within the Application 1/2
Clip 1/2 Speaker: Henrich Christopher Poehls, University of Passau - ISL Despite applied cryptographic primitives applications are working on data that was not protected by them. We show by abstracting the message flow between the application and the underlying wire, that protection is
From playlist OWASP AppSec 2010
Network Security, Part 1 : Basic Encryption Techniques
Fundamental concepts of network security are discussed. It provides a good overview of secret Key and public key Encryption. Important data encryption standards are presented.
From playlist Network Security
(Audio only) Wassup MOM? Owning the Message Oriented Middleware - Gursev Singh Kalra
(Audio only) Wassup MOM? Owning the Message Oriented Middleware - Gursev Singh Kalra Message Oriented Middleware (MOM) allows disparate applications to communicate with each other by exchanging information in the form of messages. A MOM and its clients create an enterprise messaging appli
From playlist AppSecUSA 2013
DEFCON 15: Stealing Identity Management Systems
Speaker: Plet Novell's Identity Manager and related components are become fairly common in large networks. Identity management systems in general bring a number of security implications that are often not well understood. Even when best practices are followed, the system often has vulnera
From playlist DEFCON 15
PowerShell+ 2019 - Securing PowerShell: Hands-On Lab by Ashley McGlone
Every year at the PowerShell Summit Lee Holmes amazes us with his security talk. Attend this session after Lee's to see how you, too, can implement PowerShell security features in your environment. This will be a hands-on session where you are invited to follow along to do script block log
From playlist PowerShell + DevOps Global Summit 2019
CERIAS Security: Minimizing Trust Liabilities in Secure Group Messaging Infrastructures 3/5
Clip 3/5 Speaker: Himanshu Khurana · University of Illinois at Urbana-Champaign Large-scale collaborative applications are characterized by a large number of users and other processing end entities that are distributed over geographically disparate locations. Therefore, these applicat
From playlist The CERIAS Security Seminars 2005 (1)
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
DEFCON 14: First We Break Your Tag, Then We Break Your Systems Attacks to Rfid Systems
Speaker: Lukas Grunwald Abstract: This talk provides an overview of new RFID Technologie used for Dual-Interfaces Cards (Credit cards, Ticketing and Passports), and RFID Tags with encryption and security features. Problems and attacks to these security features are discussed and attacks
From playlist DEFCON 14