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Lecture 1: Introduction to Cryptography by Christof Paar
 
01:17:25
For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com. The book chapter "Introduction" for this video is also available for free at the website (click "Sample Chapter").
Cryptography: The Science of Making and Breaking Codes
 
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There are lots of different ways to encrypt a message, from early, simple ciphers to the famous Enigma machine. But it’s tough to make a code truly unbreakable. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, John Szymakowski, Fatima Iqbal, Justin Lentz, David Campos, and Chris Peters. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.vectorsite.net/ttcode_04.html#m3 http://www.simonsingh.net/The_Black_Chamber/crackingprinciple.html http://book.itep.ru/depository/crypto/Cryptography_history.pdf http://www.cs.trincoll.edu/~crypto/historical/gronsfeld.html http://www.sans.org/reading-room/whitepapers/vpns/history-encryption-730 http://ftp.stmarys-ca.edu/jsauerbe/m10s11/chapter5.pdf http://www.turing.org.uk/scrapbook/ww2.html http://enigma.louisedade.co.uk/howitworks.html http://www.codesandciphers.org.uk/enigma/example1.htm http://www.pbs.org/wgbh/nova/military/how-enigma-works.html http://www.cs.miami.edu/~burt/learning/Csc609.051/notes/02.html
Views: 763583 SciShow
Cryptography: Crash Course Computer Science #33
 
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Today we’re going to talk about how to keep information secret, and this isn’t a new goal. From as early as Julius Caesar’s Caesar cipher to Mary, Queen of Scots, encrypted messages to kill Queen Elizabeth in 1587, theres has long been a need to encrypt and decrypt private correspondence. This proved especially critical during World War II as Allan Turing and his team at Bletchley Park attempted to decrypt messages from Nazi Enigma machines, and this need has only grown as more and more information sensitive tasks are completed on our computers. So today, we’re going to walk you through some common encryption techniques such as the Advanced Encryption Standard (AES), Diffie-Hellman Key Exchange, and RSA which are employed to keep your information safe, private, and secure. Note: In October of 2017, researchers released a viable hack against WPA2, known as KRACK Attack, which uses AES to ensure secure communication between computers and network routers. The problem isn't with AES, which is provably secure, but with the communication protocol between router and computer. In order to set up secure communication, the computer and router have to agree through what's called a "handshake". If this handshake is interrupted in just the right way, an attacker can cause the handshake to fault to an insecure state and reveal critical information which makes the connection insecure. As is often the case with these situations, the problem is with an implementation, not the secure algorithm itself. Our friends over at Computerphile have a great video on the topic: https://www.youtube.com/watch?v=mYtvjijATa4 Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios Want to know more about Carrie Anne? https://about.me/carrieannephilbin The Latest from PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV Want to find Crash Course elsewhere on the internet? Facebook - https://www.facebook.com/YouTubeCrash... Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
Views: 160012 CrashCourse
What is Cryptography - Introduction to Cryptography - Lesson 1
 
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In this video I explain the fundamental concepts of cryptography. Encryption, decryption, plaintext, cipher text, and keys. Learn Math Tutorials Bookstore http://amzn.to/1HdY8vm Donate - http://bit.ly/19AHMvX
Views: 83861 Learn Math Tutorials
Cicada 3301: An Internet Mystery
 
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In this video I explore an elaborate cryptographic internet puzzle orchestrated by a mysterious individual or group known as Cicada 3301. Patreon: https://www.patreon.com/lemmino Subreddit: https://www.reddit.com/r/lemmino Twitter: https://www.twitter.com/lemmin0 Facebook: https://www.fb.com/lemmin0 Discord: https://www.discord.gg/lemmino The puzzle I hid in this video has been solved: https://www.lemmi.no/post/my-latest-puzzle [Music] Own work Erang - Forever Lost In An Endless Dream https://erang.bandcamp.com/track/forever-lost-in-an-endless-dream Erang - The Highway Goes Ever On https://erang.bandcamp.com/track/the-highway-goes-ever-on Erang - Silent Bones https://erang.bandcamp.com/track/silent-bones-2 Cicada 3301 - The Instar Emergence https://www.youtube.com/watch?v=YA1fONCH-CY Cicada 3301 - Interconnectedness https://www.youtube.com/watch?v=ActGqDxBD4A [References] https://www.lemmi.no/cicada-3301
Views: 6935174 LEMMiNO
What is Modular Arithmetic - Introduction to Modular Arithmetic - Cryptography - Lesson 2
 
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Modular Arithmetic is a fundamental component of cryptography. In this video, I explain the basics of modular arithmetic with a few simple examples. Learn Math Tutorials Bookstore http://amzn.to/1HdY8vm Donate - http://bit.ly/19AHMvX
Views: 112136 Learn Math Tutorials
Top 10 Uncracked Codes and Ciphers
 
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Not even the greatest minds of the world could decipher these codes. Join http://www.WatchMojo.com as we count down our picks for the Top 10 Uncracked Codes and Ciphers. Check us out at http://www.Twitter.com/WatchMojo, http://instagram.com/watchmojo and http://www.Facebook.com/WatchMojo. Also, check out our interactive Suggestion Tool at http://www.WatchMojo.com/suggest :) Special thanks to our user kenn1987 for submitting this idea through our Suggest Tool at http://www.WatchMojo.com/Suggest Check out the voting page here, http://watchmojo.com/suggest/Top+10+Uncracked+Codes/Ciphers If you want to suggest an idea for a WatchMojo video, check out our interactive Suggestion Tool at http://www.WatchMojo.com/suggest :) Want a WatchMojo cup, mug, t-shirts, pen, sticker and even a water bottle? Get them all when you order your MojoBox gift set here: http://watchmojo.com/store/xmas.php WatchMojo is a leading producer of reference online video content, covering the People, Places and Trends you care about. We update DAILY with 2-3 Top 10 lists, Origins, Biographies, Versus clips on movies, video games, music, pop culture and more!
Views: 509961 WatchMojo.com
Cryptography Lesson #1 - Block Ciphers
 
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This tutorial video will help provide an understanding of what block ciphers are, and how they are used in the field of cryptography.
Views: 112918 Ryan Kral
How to Multiply  in Modular Arithmetic - Cryptography - Lesson 5
 
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In this tutorial, I demonstrate two different approaches to multiplying numbers in modular arithmetic. Learn Math Tutorials Bookstore http://amzn.to/1HdY8vm Donate - http://bit.ly/19AHMvX
Views: 25287 Learn Math Tutorials
Creating An Unbreakable Cipher (nearly)
 
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Creating Ciphers can be fun, but understanding how they work by using a simple example of developing a cipher is a great way to understand them. This video covers the development of a cipher algorithm and shows how to make it (nearly) unbreakable.
What is cryptography? | Journey into cryptography | Computer Science | Khan Academy
 
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What is Cryptography? A story which takes us from Caesar to Claude Shannon. Watch the next lesson: https://www.khanacademy.org/computing/computer-science/cryptography/crypt/v/caesar-cipher?utm_source=YT&utm_medium=Desc&utm_campaign=computerscience Missed the previous lesson? https://www.khanacademy.org/computing/computer-science/algorithms/intro-to-algorithms/v/what-are-algorithms?utm_source=YT&utm_medium=Desc&utm_campaign=computerscience Computer Science on Khan Academy: Learn select topics from computer science - algorithms (how we solve common problems in computer science and measure the efficiency of our solutions), cryptography (how we protect secret information), and information theory (how we encode and compress information). About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to Khan Academy’s Computer Science channel: https://www.youtube.com/channel/UC8uHgAVBOy5h1fDsjQghWCw?sub_confirmation=1 Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
Views: 779404 Khan Academy
"The Lost Symbol" - Magic Squares and the Masonic Cipher
 
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December 2, 2009 Dan Brown? The Lost Symbol? Masonic cipher? Albrecht Durers magic square? If you know about these things AND you can decipher the message below, then dont bother coming because you know as much as I do. If you dont know about them OR you cant decipher the message below, then by all means come and hear my presentation. Yes, we do have pizza. Ed Brumgnach http://www.qcc.cuny.edu/ecet/magicSquares.asp
Views: 806160 CUNYQueensborough
Unsolved - The History and Mystery of the World’s Greatest Ciphers
 
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Craig Bauer, author of Unsolved Ciphers and editor of Cryptologia, will examine these and other vexing ciphers yet to be cracked. Some may reveal the identity of a spy or serial killer, provide the location of buried treasure, or expose a secret society—while others may be elaborate hoaxes. Guests are invited to stay after his talk for some collaborative cipher-breaking fun. ----------------------------------------------------------------- Facebook: https://www.facebook.com/IntlSpyMuseum Twitter: https://twitter.com/intlspymuseum SpyCast: https://audioboom.com/channel/spycast
Views: 6783 IntlSpyMuseum
Ciphers, Codemakers & Codebreakers (National Treasure documentary)
 
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Excerpt from documentary made for the National Treasure DVD.
Views: 10464 Jill Demby Guest
Quantum Cryptography Explained
 
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This episode is brought to you by Squarespace: http://www.squarespace.com/physicsgirl With recent high-profile security decryption cases, encryption is more important than ever. Much of your browser usage and your smartphone data is encrypted. But what does that process actually entail? And when computers get smarter and faster due to advances in quantum physics, how will encryption keep up? http://physicsgirl.org/ ‪http://twitter.com/thephysicsgirl ‪http://facebook.com/thephysicsgirl ‪http://instagram.com/thephysicsgirl http://physicsgirl.org/ Help us translate our videos! http://www.youtube.com/timedtext_cs_panel?c=UC7DdEm33SyaTDtWYGO2CwdA&tab=2 Creator/Editor: Dianna Cowern Writer: Sophia Chen Animator: Kyle Norby Special thanks to Nathan Lysne Source: http://gva.noekeon.org/QCandSKD/QCand... http://physicsworld.com/cws/article/n... https://epic.org/crypto/export_contro... http://fas.org/irp/offdocs/eo_crypt_9... Music: APM and YouTube
Views: 258100 Physics Girl
Keeping Secrets: Cryptography In A Connected World
 
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Josh Zepps, Simon Singh, Orr Dunkelman, Tal Rabin, and Brian Snow discuss how, since the earliest days of communication, clever minds have devised methods for enciphering messages to shield them from prying eyes. Today, cryptography has moved beyond the realm of dilettantes and soldiers to become a sophisticated scientific art—combining mathematics, physics, computer science, and electrical engineering. It not only protects messages, but it also safeguards our privacy. From email to banking transactions, modern cryptography is used everywhere. But does it really protect us? What took place was a discussion of cryptography’s far-reaching influence throughout history from Julius Caesar’s reign to Julian Assange’s WikiLeaks, and the ways in which it—and our privacy—are constantly under assault today as threats lurk behind IP addresses, computational power increases, and our secrets move online. The World Science Festival gathers great minds in science and the arts to produce live and digital content that allows a broad general audience to engage with scientific discoveries. Our mission is to cultivate a general public informed by science, inspired by its wonder, convinced of its value, and prepared to engage with its implications for the future. Subscribe to our YouTube Channel for all the latest from WSF. Visit our Website: http://www.worldsciencefestival.com/ Like us on Facebook: https://www.facebook.com/worldsciencefestival Follow us on twitter: https://twitter.com/WorldSciFest Original Program Date: June 4, 2011 MODERATOR: Josh Zepps PARTICIPANTS: Orr Dunkelman, Tal Rabin, Simon Singh, Brian Snow Cryptography In A Connected World 00:12 Josh Zepps Introduction 01:33 Participant Introductions 02:30 What is the history of Cryptography? 04:52 What's the difference between Cryptography and Encryption? 06:56 How the enigma machine works. 12:09 You’re Only as Secure as Your Weakest Link 19:18 Public key and private key encryption example. 22:09 What is the distinction between hacking and cryptanalysis? 26:55 The NSA and what they are looking for? 28:25 How do we establish cyber security? 36:20 How do systems get broken into? 45:30 How do you break a code? 56:38 Public key and the key distribution problem. 01:03:04 Codes will need to be tough due to mathematicians getting better. 01:08:15 The cloud and how we protect it. 01:09:22 In a world that is increasingly networked, How do we protect ourselves? 01:14:30 Online voting ... When and how? 01:20:52
Views: 64294 World Science Festival
Quantum Cryptography Explained in Under 6 Minutes
 
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Quantum Cryptography explained simply. Regular encryption is breakable, but not quantum cryptography. Today we'll look at the simplest case of quantum cryptography, quantum key distribution. It uses the Heisenberg Uncertainty Principle to prevent eavesdroppers from cracking the code. Hi! I'm Jade. Subscribe to Up and Atom for new physics, math and computer science videos every week! *SUBSCRIBE TO UP AND ATOM* https://www.youtube.com/c/upandatom *Let's be friends :)* TWITTER: https://twitter.com/upndatom?lang=en *QUANTUM PLAYLIST* https://www.youtube.com/playlist?list=PL1lNrW4e0G8WmWpW846oE_m92nw3rlOpz *SOURCES* http://gva.noekeon.org/QCandSKD/QCandSKD-introduction.html https://www.sans.org/reading-room/whitepapers/vpns/quantum-encryption-means-perfect-security-986 https://science.howstuffworks.com/science-vs-myth/everyday-myths/quantum-cryptology.htm The Code Book - Simon Singh *MUSIC* Prelude No. 14 by Chris Zabriskie is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/) Source: http://chriszabriskie.com/preludes/ Artist: http://chriszabriskie.com/
Views: 13031 Up and Atom
Lecture 8: Advanced Encryption Standard (AES) by Christof Paar
 
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For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com. The AES book chapter for this video is also available at the web site (click Sample Chapter).
Vinod Vaikuntanathan - Lattices and Cryptography:  A Match Made in Heaven
 
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Vinod Vaikuntanathan of the University of Toronto presented a talk titled: Lattices and cryptography: A match made in heaven at the 2014 PQCrypto conference in October, 2014. PQCrypto 2014 Book: http://www.springer.com/computer/security+and+cryptology/book/978-3-319-11658-7 Workshop: https://pqcrypto2014.uwaterloo.ca/ Find out more about IQC! Website - https://uwaterloo.ca/institute-for-qu... Facebook - https://www.facebook.com/QuantumIQC Twitter - https://twitter.com/QuantumIQC
The Science of Secrecy from Ancient Egypt to Quantum Cryptography (1999)
 
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Simon Lehna Singh MBE (born 19 September 1964) is a British popular science author whose works largely contain a strong mathematical element. His written works include Fermat's Last Theorem (in the United States titled Fermat's Enigma: The Epic Quest to Solve the World's Greatest Mathematical Problem),[2][3] The Code Book[4] (about cryptography and its history), Big Bang[5] (about the Big Bang theory and the origins of the universe), Trick or Treatment? Alternative Medicine on Trial[6] (about complementary and alternative medicine, co-written by Edzard Ernst) and The Simpsons and Their Mathematical Secrets (about mathematical ideas and theorems hidden in episodes of The Simpsons and Futurama).[7] In 2012 Singh founded the Good Thinking Society.[8] Singh has also produced documentaries and works for television to accompany his books, is a trustee of NESTA, the National Museum of Science and Industry and co-founded the Undergraduate Ambassadors Scheme. Singh's parents emigrated from Punjab, India to Britain in 1950. He is the youngest of three brothers, his eldest brother being Tom Singh, the founder of the UK New Look chain of stores. Singh grew up in Wellington, Somerset, attending Wellington School, and went on to Imperial College London, where he studied physics. He was active in the student union, becoming President of the Royal College of Science Union.[9] Later he completed a PhD degree in particle physics at Emmanuel College, Cambridge and at CERN, Geneva. In 1983, he was part of the UA2 experiment in CERN.[11] In 1987, Singh taught science at The Doon School, the independent all-boys' boarding school in India.[12] In 1990 Singh returned to England and joined the BBC's Science and Features Department, where he was a producer and director working on programmes such as Tomorrow's World and Horizon. Singh was introduced to Richard Wiseman through their collaboration onTomorrow's World. At Wiseman's suggestion, Singh directed a segment about politicians lying in different mediums, and getting the public's opinion on if the person was lying or not. After attending some of Wiseman's lectures, Singh came up with the idea to create a show together, and Theatre of Science was born. It was a way to deliver science to normal people in an entertaining manner. Richard Wiseman has influenced Singh in such a way that Singh states: My writing initially was about pure science but a lot of my research now has been inspired by his desire to debunk things such as the paranormal – we both hate psychics, mediums, pseudoscience in general.[13] Singh directed his BAFTA award-winning documentary about the world's most notorious mathematical problem entitled "Fermat's Last Theorem" in 1996. The film was memorable for its opening shot of a middle-aged mathematician, Andrew Wiles, holding back tears as he recalled the moment when he finally realised how to resolve the fundamental error in his proof of Fermat's Last Theorem. The documentary was originally transmitted in October 1997 as an edition of the BBC Horizon series. It was also aired in America as part of the NOVA series. The Proof, as it was re-titled, was nominated for an Emmy Award. The story of this celebrated mathematical problem was also the subject of Singh's first book, Fermat's last theorem. In 1997, he began working on his second book, The Code Book, a history of codes and codebreaking. As well as explaining the science of codes and describing the impact of cryptography on history, the book also contends that cryptography is more important today than ever before. The Code Book has resulted in a return to television for him. He presented The Science of Secrecy, a five-part series for Channel 4. The stories in the series range from the cipher that sealed the fate of Mary, Queen of Scots, to the coded Zimmermann Telegram that changed the course of the First World War. Other programmes discuss how two great 19th century geniuses raced to decipher Egyptian hieroglyphs and how modern encryption can guarantee privacy on the Internet. https://en.wikipedia.org/wiki/Simon_Singh Image: Sam Hughes [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
Views: 2121 Way Back
History of Cryptography
 
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Brief History of Cryptography
Views: 8198 shaan1111
Caesar Cipher
 
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This tutorial will teach you how to encrypt and decrypt messages using the Caesar Cipher.-- Created using PowToon -- Free sign up at http://www.powtoon.com/ . Make your own animated videos and animated presentations for free. PowToon is a free tool that allows you to develop cool animated clips and animated presentations for your website, office meeting, sales pitch, nonprofit fundraiser, product launch, video resume, or anything else you could use an animated explainer video. PowToon's animation templates help you create animated presentations and animated explainer videos from scratch. Anyone can produce awesome animations quickly with PowToon, without the cost or hassle other professional animation services require.
Views: 114885 Lacey Wright
Visual Cryptography
 
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Hiding your images in style since 1994. Copyright Protection Scheme for Digital Images Using Visual Cryptography and Sampling Methods Ching-Sheng Hsu Young-Chang Hou July 2005 RIT, IMGS-362 Image Processing & Computer Vision II
Views: 24730 Matt Donato
Snowden's Cryptographer on the NSA & Defending the Internet
 
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Subscribe to MOTHERBOARD here: http://bit.ly/Subscribe-to-MOTHERBOARD Cryptography expert Bruce Schneier, author of dozens of books on computer and real-world security, was tapped by The Guardian to help the newspaper decode the NSA documents disclosed by Edward Snowden. We met with him in Cambridge, Massachusetts to talk about the risks of widespread digital surveillance, the problem with thinking about those risks, and the ways that the public can demand change. Follow MOTHERBOARD Facebook: http://www.facebook.com/motherboardtv Twitter: http://twitter.com/motherboard
Views: 203884 Motherboard
[Hindi] What is Cryptography ? | Kya hai cryptography ? | Explained in simple words
 
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WHAT IS ENCRYPTION AND DECRYPTION https://youtu.be/BaqgAYxnUbw -------------------------------------------- How To Store Personal Data On a Public Computer Using Encryption in Hindi ? https://youtu.be/QXmsv5FaALQ ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- My electronics Channel :- https://www.youtube.com/channel/UCV7ovTvN06Dvdzfo4GB3dvA Arduino Control Led :- https://www.youtube.com/watch?v=TQX1hp3FLAo -------------------------------------------------------------------------------------- Namaskar dosto aaj is video me mai cryptography ke bare mai baat karne wala huh? eai cryptography kya hai ? cryptography kaise kam karta hai ? kue hum cryptography ko use kare ini sare baato ko aaj is video mai mai discuss karum ga. -------------------------------------------------------------------------------------- CHANNEL DESCRIPTION HELLO FRIENDS.THIS CHANNEL IS A TECHNOLOGY RELATED CHANNEL.A NEW VIDEO WILL COME EVERYDAY .I WILL PROVIDE YOU TECHNICAL KNOWLEDGE/REPAIRING TYPE VIDEO IN 5 DAYS,TWO DAYS I WILL PROVIDE YOU TUTORIALS.ONE DAY OF EVERY MONTH I WILL PROVIDE YOU A ELECTRONICS RELATED PROJECT.YOU CAN ASK ME EVERY QUESTION ON COMMENT SECTION & ALSO YOU CAN REQUEST ME TO MAKE A VIDEO ABOUT ANY THING.I WILL TRY TO MADE THIS. ----------------------------------------------------------------------------------------- Subscribe www.youtube.com/geekysoumya GOOGLE PLUS https://plus.google.com/u/0/106215010365082382930 FOLLOW ME ON TWITTER https://twitter.com/sdas47711 LIKE ME ON FACE BOOK https://www.facebook.com/Geekysoumya123/ let's be friends on FB https://www.facebook.com/sd.das.334
Views: 1896 GEEKY SOUMYA
Stanford Seminar - The Evolution of Public Key Cryptography
 
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EE380: Computer Systems Colloquium Seminar The Evolution of Public Key Cryptography Speaker: Martin Hellman, Stanford EE (Emeritus) While public key cryptography is seen as revolutionary, after this talk you might wonder why it took Whit Diffie, Ralph Merkle and Hellman so long to discover it. This talk also highlights the contributions of some unsung (or "under-sung") heroes: Ralph Merkle, John Gill, Stephen Pohlig, Richard Schroeppel, Loren Kohnfelder, and researchers at GCHQ (Ellis, Cocks, and Williamson). Resources and Reading Materials M. E. Hellman, Cybersecurity, Nuclear Security, Alan Turing, and Illogical Logic (http://www-ee.stanford.edu/ %7Ehellman/publications/77.pdf), Communications of the ACM, Vol. 60, No. 12, pp. 52-59, December 2017. This is a written version of Martin Hellman's ACM Turing Lecture (https://www.youtube.com/watch?v=I132wSwAI3o) and was accompanied by a short (6 minute) video (https://vimeo.com/241030842). Other materials and hard to find references can be found on Martin Hellman's Stanford website, http://www-ee.stanford.edu/~hellman/ . About the Speaker: Martin E. Hellman is Professor Emeritus of Electrical Engineering at Stanford University and is affiliated with the university's Center for International Security and Cooperation (CISAC). His recent technical work has focused on bringing a risk informed framework to a potential failure of nuclear deterrence and then using that approach to find surprising ways to reduce the risk. His earlier work included co- inventing public key cryptography, the technology that underlies the secure portion of the Internet. His many honors include election to the National Academy of Engineering and receiving (jointly with his colleague Whit Diffie) the million dollar ACM Turing Award, the top prize in computer science. His most recent project is a book, jointly written with his wife of fifty years, "A New Map for Relationships: Creating True Love at Home & Peace on the Planet," that provides a "unified field theory" of peace by illuminating the connections between nuclear war, conventional war, interpersonal war, and war within our own psyches. For more information about this seminar and its speaker, you can visit https://ee380.stanford.edu/Abstracts/180307.html Support for the Stanford Colloquium on Computer Systems Seminar Series provided by the Stanford Computer Forum. Colloquium on Computer Systems Seminar Series (EE380) presents the current research in design, implementation, analysis, and use of computer systems. Topics range from integrated circuits to operating systems and programming languages. It is free and open to the public, with new lectures each week. Learn more: http://bit.ly/WinYX5
Views: 1400 stanfordonline
Cryptography for the masses: Nadim Kobeissi at TEDxMontreal
 
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(Sous-titres en français bientôt disponibles) Amid today's debate on electronic surveillance and the ongoing Arab Spring protests, this young 22 year old Montreal hacktivist founded Cryptocat, a free, accessible, and open source encrypted chat application. His mission: make private communication on the web available to all. Dans le contexte du printemps arabe et des enjeux de surveillance électronique, ce jeune cybertactiviste montréalais a fondé à l'âge 22 ans Cryptocat: un logiciel de conversation protégé par cryptographie simple à utiliser, gratuit et à code source ouvert. Sa mission: rendre accessible à tous la communication privée sur le web. https://twitter.com/kaepora https://crypto.cat/ For more information, please visit http://tedmontreal.com/ Introduction motion animation by: http://www.departement.ca/ In the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED-like experience. At a TEDx event, TEDTalks video and live speakers combine to spark deep discussion and connection in a small group. These local, self-organized events are branded TEDx, where x = independently organized TED event. The TED Conference provides general guidance for the TEDx program, but individual TEDx events are self-organized.* (*Subject to certain rules and regulations)
Views: 11182 TEDx Talks
Cryptography: The Math of the Public Private Key of RSA
 
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Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! :) https://www.patreon.com/patrickjmt !! Part 1: https://youtu.be/PkpFBK3wGJc Please consider being a supporter on Patreon! https://www.patreon.com/patrickjmt Twitter: @Patrick_JMT In this video I show mathematically for RSA encryption works by going through an example of sending an encrypted message! If you are interested in seeing how Euclid's algorithm would work, check out this video by Emily Jane: https://www.youtube.com/watch?v=fz1vxq5ts5I A big thanks to the 'Making & Science team at Google' for sponsoring this video! Please like and share using hashtag #sciencegoals
Views: 34817 patrickJMT
DaVinci Code Novel Review by Karthi DaVinci | Vetridam | Book Review
 
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DaVinci Code Novel Review by Karthi DaVinci Use these following link to Buy Original Books: DaVinci Code in Tamil : https://amzn.to/2IHYJYG Inferno (Naragam) in Tamil : https://amzn.to/2KyhGPo The Da Vinci Code (The Young Adult Adaptation) : https://amzn.to/2lLBuEc Angels & Demons: A Novel (Robert Langdon) : https://amzn.to/2lJ6PHu The Da Vinci Code is a 2003 mystery-detective novel by Dan Brown. It follows symbologist Robert Langdon and cryptologist Sophie Neveu after a murder in the Louvre Museum in Paris, when they become involved in a battle between the Priory of Sion and Opus Dei over the possibility of Jesus Christ having been a companion to Mary Magdalene. The title of the novel refers, among other things, to the finding of the first murder victim in the Grand Gallery of the Louvre, naked and posed similar to Leonardo da Vinci's famous drawing, the Vitruvian Man, with a cryptic message written beside his body and a pentacle drawn on his chest in his own blood. Follows : Twitter- https://twitter.com/Vetridambooks Facebook- https://www.facebook.com/Vetridam Youtube - https://www.youtube.com/channel/UCesxtG87N95Iy3K4uLrSQaw Like, Share & Subscribe
Views: 13864 Vetridam
I Hired A Cryptographer To Expose My Deepest Secret
 
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Will Mike's secret be exposed or remain hidden? Check out more awesome videos at BuzzFeedBlue! https://bit.ly/YTbuzzfeedvideo https://bit.ly/YTbuzzfeedblue1 https://bit.ly/YTbuzzfeedviolet GET MORE BUZZFEED: https://www.buzzfeed.com https://www.buzzfeed.com/videos https://www.youtube.com/buzzfeedvideo https://www.youtube.com/boldly https://www.youtube.com/buzzfeedblue https://www.youtube.com/buzzfeedviolet https://www.youtube.com/perolike https://www.youtube.com/ladylike BuzzFeedBlue Sports, video games, Unsolved & more epic daily videos! Credits: https://www.buzzfeed.com/bfmp/videos/21362 EXTERNAL CREDITS Justin Troutman http://justintroutman.com/ + Alec Jones-Trujillo https://www.instagram.com/jonesalecjones/ MUSIC 2 Second Delay Licensed via Warner Chappell Production Music Inc. Sunset Alley Licensed via Warner Chappell Production Music Inc. Skybolt Reloaded Licensed via Warner Chappell Production Music Inc. Crossfire Licensed via Warner Chappell Production Music Inc. All Necessary Speed Licensed via Warner Chappell Production Music Inc. Epic Countdown Licensed via Warner Chappell Production Music Inc. Overtake Licensed via Warner Chappell Production Music Inc. Thunder Race Licensed via Warner Chappell Production Music Inc. Bell Ringer Licensed via Warner Chappell Production Music Inc. Hacking The System Licensed via Warner Chappell Production Music Inc. Reckless Departure Licensed via Warner Chappell Production Music Inc. Nerve Piano Licensed via Warner Chappell Production Music Inc. Ultimate Swarm Licensed via Warner Chappell Production Music Inc. Barrage Licensed via Warner Chappell Production Music Inc. Raptor Licensed via Warner Chappell Production Music Inc. Tarnished Licensed via Warner Chappell Production Music Inc. End Of Days Licensed via Warner Chappell Production Music Inc. Shock Corridor Licensed via Warner Chappell Production Music Inc. Reverse Tension Licensed via Warner Chappell Production Music Inc. Orchestral Blast Licensed via Warner Chappell Production Music Inc. Heavy Heart Licensed via Warner Chappell Production Music Inc. Suspicion Licensed via Warner Chappell Production Music Inc. Terror Streak Hit Licensed via Warner Chappell Production Music Inc. Menace Licensed via Warner Chappell Production Music Inc. Blunt Force Licensed via Warner Chappell Production Music Inc.
Views: 5591128 BuzzFeedBlue
History - Secrets Exposed - Cryptology - WWII Code breaking
 
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From VOA Learning English, this is EXPLORATIONS in Special English. I'm Jeri Watson. And I'm Jim Tedder. Today we visit a small museum in the American state of Maryland. It is called the National Cryptologic Museum. There you will find information that was once secret. The National Cryptologic Museum is on Fort George G. Meade, a military base near Washington, DC. It tells the story of cryptology and the men and women who have worked in this unusual profession. The word cryptology comes from the Greek "kryptos logos." It means "hidden word." Cryptology is writing or communicating in ways designed to hide the meaning of your words. The museum has many examples of equipment that was once used to make information secret. It also has equipment that was developed to read secret messages. The method of hiding exact meanings is called coding. People have used secret codes throughout history to protect important information. One display at the museum explains American attempts to read Japanese military information during World War Two. Japan's Navy used special machines to change its written information into secret codes. This coded information was then sent by radio to navy ships and military bases. The information included secret military plans and orders. The leaders of the Japanese Navy believed no one could read or understand the secret codes. They were wrong. Americans were working very hard to learn the Japanese code. The United States urgently needed to break the code to learn what Japan was planning. In 1940, an American woman named Genevieve Grotjan found some information being repeated in Japanese coded messages. At the time, she was a civilian working for the government in Washington, DC. Her discovery helped the United States understand secret Japanese diplomatic messages. After the United States understood the code, it was possible to study messages from the Japanese ambassador to Germany and to his supervisors in Japan. After the attack on Pearl Harbor, an American Naval officer named Joseph Rochefort struggled to understand the Japanese navy code. He worked on the American base at Pearl Harbor. It was early in 1942. The American naval commander in the Pacific Ocean was Chester Nimitz. His forces were much smaller than the Japanese Naval forces. And the Japanese had been winning many victories. Joseph Rochefort had worked for several months to read the secret Japanese Naval code called JN-25. If he could understand enough of the code, he would be able to give Admiral Nimitz very valuable information. The admiral could use this information to plan for battle. By the early part of the year, Mr. Rochefort and the men who worked with him could read a little less than 20 percent of the Japanese JN-25 code. Joseph Rochefort had the evidence he needed. "AF" was now known to be the island of Midway. He also told Admiral Nimitz the Japanese would attack Midway on June third. The admiral secretly moved his small force to an area near Midway and waited for the Japanese Navy. The battle that followed was a huge American victory. Experts now say the Battle of Midway was the beginning of the American victory in the Pacific. That victory was possible because Joseph Rochefort learned to read enough of the Japanese code to discover the meaning of the letters "AF." One American code has never been broken. Perhaps it never will. It was used in the Pacific during World War Two. For many years the government would not discuss this secret code. Listen for a moment to this very unusual code. Then you may understand why the Japanese military forces were never able to understand any of it. The code is in the voice of a Native American. The man you just heard is singing a simple song in the Navajo language. Very few people outside the Navajo nation are able to speak any of their very difficult language. At the beginning of World War Two, the United States Marine Corps asked members of the Navajo tribe to train as Code Talkers. The Cryptologic Museum says the Marine Corps Code Talkers could take a sentence in English and change it into their language in about 20 seconds. A code machine needed about 30 minutes to do the same work. The Navajo Code Talkers took part in every battle the Marines entered in the Pacific during World War Two. The Japanese were very skilled at breaking codes. But they were never able to understand any of what they called "The Marine Code." Perhaps the most famous is a World War Two German code machine called the Enigma. The word "enigma" means a puzzle or a problem that is difficult to solve. The German military used the Enigma machine to communicate orders and plans. The United States, Britain, and the government of Poland cooperated in learning to read information sent by the Enigma. It took thousands of people and cost millions of dollars to read the Enigma information. This is a VOA product and is in the public domain
Views: 6035 ListenAndReadAlong
Cicada 3301 (All Clues and How They Were Solved)
 
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Want to know more about PGP encryption? Here's the video I used https://www.youtube.com/watch?v=3yN4uMMsK8I Songs: 00:40 song {Halsey - Haunting (Official Instrumental) https://www.youtube.com/watch?v=eT6VVntT8lo Piano cover by cragezy https://www.youtube.com/watch?v=4AxBYR11MG8 As not stated, the video is not entirely accurate (i.e notes shown were drawn up for clearity). Please refrain from pointing out the flaws when the majority of the video is correct. Douche Clues Clue 1: 0:00 Clue 2: 1:22 Clue 3: 1:48 Clue 4: 2:00 Clue 5: 5:50 Clue 6: 6:45 Clue 7: 8:22 Clue 8: 10:11 Clue 9: 11:05 Clue 10: 13:08
Views: 3395474 TheBraveZombies
Overview on Modern Cryptography
 
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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
Views: 34286 nptelhrd
INTRODUCTION TO CRYPTOGRAPHY IN HINDI
 
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find relevant notes at-https://viden.io/
Views: 54108 LearnEveryone
GOTO 2016 • Cracking the Cipher Challenge • Simon Singh
 
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This presentation was recorded at GOTO Amsterdam 2016 http://gotoams.nl Simon Singh - Science Writer based in London ABSTRACT In "The Code Book", a history of cryptography, the author Simon Singh included ten encrypted messages with a prize of £10,000 for the first person or team to decipher all of them. Thousands of amateur and professional codebreakers took up the Cipher Challenge, but it took over a year [...] Download slides and read the full abstract here: http://gotocon.com/amsterdam-2016/presentation/Closing%20Keynote:%20Cracking%20the%20Cipher%20Challenge https://twitter.com/gotoamst https://www.facebook.com/GOTOConference http://gotocon.com
Views: 6372 GOTO Conferences
Algebra 2 - Inverse Matrices to Encrypt and Decrypt Messages
 
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25 80 12 3 5! With the appropriate matrix understanding, you'd know that I just said "Hello!" Yay Math in Studio presents how to use inverse matrices to encrypt and decrypt messages. This is a fascinating topic, and once you understand how it works, it's not so bad. In this video, we walk you through the process of setting up a message, encrypting it with what's called an "encoding matrix," then use the inverse of that matrix to decrypt. Then we round out the lesson with the same tasks on the TI-84 graphing calculator. Enjoy this peek into the world of code breaking, YAY MATH! Videos copyright © Yay Math For all videos, free quizzes, worksheets, books, and entire courses you can download, please visit yaymath.org
Views: 2550 yaymath
Steven Levy: "The New Journalism Frontier at Medium" | Media Talks at Google
 
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Steven Levy is one of the most prominent and prolific tech writers of our generation, with 7 books ranging from cryptology to Apple to, yes, Google, and hundreds of articles at tech publications like Wired. Steven now serves as the Editor-in-Chief of BackChannel on Medium.com, the new publishing and content-sharing platform. Levy’s 2011 book, “In the Plex” has largely been called “the definitive book on Google.” Levy gained unprecedented access to the Googleplex and wrote the book with full cooperation from Larry, Sergey & other top executives. He has also written extensively about Apple, with books specifically about MacIntosh and the iPod. He was interviewing Steve Jobs since 1983, and his obituary of Jobs was one of the most read stories ever on wired.com.
Views: 1858 Talks at Google
The World's Greatest Unsolved Ciphers, part 1 - Prof Craig Bauer
 
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Speaker: Prof. Craig Bauer (York College, PA) Title: The World's Greatest Unsolved Ciphers Date: Wednesday, 24-Apr-2013 This is part 1. Abstract: Ciphers that have never been solved from recent times going back hundreds of years, will be detailed. The list includes many lesser-known ciphers that you likely have never seen before. Should be interesting to students and faculty, from math or history or computer science. About the Speaker: Craig Bauer is a cryptography expert who is managing editor of Cryptologia and teaches mathematics at York University in York, PA. His website is http://faculty.ycp.edu/∼cbauer/. He has a book on this subject: "Unsolved! The History and Mystery of the World's Greatest Ciphers from Ancient Egypt to Online Secret Societies", Princeton University Press. Video and editing by me. His slides are posted to http://wdjoyner.org/video/bauer/, by permission of Prof Bauer.
Views: 9744 usnamathweb
CERN | Accelerating science or Deception? - Ark Midnight #38
 
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Don't miss "Ark Midnight" Saturday evening on KLIF570 Ark Midnight Episode 39 www.klif.com @ 10pm to Midnight (Central Time) http://tycho.usno.navy.mil/zones.html Our guest today - Anthony Patch Show Topic - 1. Latest news and timeline of events on CERN’s calendar. 2. CERN, Necromancy and the Resurrection of the Dead. 3. Latest on D-Wave’s quantum computers and Temporal Defense System’s, their latest customer. AI and Cryptology updates as related. 4. “Stand Down” Campaign: Executive Order to stop targeting of individuals and groups within the “truth movement” by US Intelligence community. Read more about Anthony Patch https://caravantomidnight.com/anthony-patch/ Lines will be open if you would like to join our conversation. See you there! - Studio line - 888-787 5543 Join our chat-room here - http://chatwing.com/John%20B%20Wells (works on cell-phones) LIVE STREAM CHANNELS FOR THOSE OUTSIDE OF DALLAS AND SURROUNDS: Live Streaming on - The Liberty Eagle Facebook Page http://www.klif.com/ http://kliftx.radio.net/ http://www.iheart.com/live/570am-klif-5527/ http://tunein.com/radio/KLIF-570-s33749/ http://streema.com/radios/570_KLIF http://rednationrising.us/player/ Show Description: https://caravantomidnight.com/?p=322246
Why cryptography and information Security course
 
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www.hiteshChoudhary.com www.newdemy.com Cryptography What is cryptography? Cryptography (or cryptology; from Greek κρυπτός, "hidden, secret"; and γράφειν, graphein, "writing", or -λογία, -logia, "study", respectively) is the practice and study of techniques for secure communication in the presence of third parties (called adversaries).More generally, it is about constructing and analyzing protocols that overcome the influence of adversaries and which are related to various aspects in information security such as data confidentiality, data integrity, authentication, and non-repudiation. Modern cryptography intersects the disciplines of mathematics, computer science, and electrical engineering. Applications of cryptography include ATM cards, computer passwords, and electronic commerce. Yeah, I know that you have read the above lines many times. These are perfectly true jargons. It’s just something like our brain is made of 80% of water, technically true but it doesn’t explain things much. When I tried to study Cryptography, it was tough. When anyone wants to learn HTML, he can find a lots of resources on internet but when things come to Cryptography you need to buy a lots of books and watch a lots of youtube videos which contains an annoying background music. A lots of blog are also helpful but all are fragmented. So, I decided that it is a good time to put Cryptography course. The course will be beginners friendly and will teach you a lot of things about Information Security. This series is not meant for 2 communities of people over the internet. 1. Not bothered about Computer Security 2. True Computer professional [Advanced programmers and crypto masters] The category one does not fit into any computer security course as information security comes at very last in their priority list. Hence, most of the time they are the practice playgrounds for most of the hackers. The category two has moved into the immense knowledge of information security. And they know all the stuff or most of the present stuff about it. So, they will feel bore in this series because they are the inventor of most of the stuff. Rest of the people are going to love this cryptography online video series. The candidates for which I am looking to take this cryptography course are: 1. University Students 2. Hackers a. Fretos : The freshers b. Practos: The practical ones University Students will be interested in this course as most of the Universities have curriculum of Cryptography. The second category is of hackers but I have divided them into 2 major categories. First one is Fretos, these are fresher in information security and are trying to learn stuff. It is a good time for them to start this series because you will understand terms like MITM, RSA, MD5 and DSA. Second category is hackers who have learned most of the things practically. Personally, I am very impressed that you have gained so much of knowledge. You might have knowledge about hacking into various accounts and systems or even knowledge of creating exploits. But ask a simple question to yourself, you are a pro in hacking skills but have no idea about RSA or Block ciphers. You know to break WEP in wireless but no idea of WEP encryption or cryptic flaw in algorithm. I hope that you have got my point. So, let’s get started.
Views: 2986 Hitesh Choudhary
Matteo Mariantoni - Invited Talk - Building a superconducting quantum computer
 
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IQC faculty member Matteo Mariantoni presented an invited talk titiled: Building a superconducting quantum computer at the 2014 PQCrypto conference in October, 2014. PQCrypto 2014 Book: http://www.springer.com/computer/security+and+cryptology/book/978-3-319-11658-7 Workshop: https://pqcrypto2014.uwaterloo.ca/ Find out more about IQC! Website - https://uwaterloo.ca/institute-for-qu... Facebook - https://www.facebook.com/QuantumIQC Twitter - https://twitter.com/QuantumIQC
Albrecht Petzoldt - The Cubic Simple Matrix Encryption Scheme
 
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Albrecht Petzoldt of TU Darmstadt presented a talk titled: The cubic simple matrix encryption scheme at the 2014 PQCrypto conference in October, 2014. Abstract: In this paper, we propose an improved version of the Simple Matrix encryption scheme of PQCrypto2013. The main goal of our construction is to build a system with even stronger security claims. By using square matrices with random quadratic polynomials, we can claim that breaking the system using algebraic attacks is at least as hard as solving a set of random quadratic equations. Furthermore, due to the use of random polynomials in the matrix A, Rank attacks against our scheme are not feasible. PQCrypto 2014 Book: http://www.springer.com/computer/security+and+cryptology/book/978-3-319-11658-7 Workshop: https://pqcrypto2014.uwaterloo.ca/ Find out more about IQC! Website - https://uwaterloo.ca/institute-for-qu... Facebook - https://www.facebook.com/QuantumIQC Twitter - https://twitter.com/QuantumIQC
Cryptography in a post-Snowden era - Bart Preneel
 
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This lecture presents an overview of the Snowden revelations and the impact on our understanding of the security of our networks and systems. In particular, we discuss the known ways in which sophisticated attackers can bypass or undermine cryptography. We also speculate on how three-letter agencies could be breaking most encryption on the Internet. We relate this to the latest developments in cryptanalysis and discuss which cryptographic algorithms and implementations to select to stay protected. Learning objectives + Understand how sophisticated opponents agencies can undermine cryptographic protection + Understand how to maximize your chances to resist sophisticated opponents using cryptographic techniques This lecture was delivered by Bart Preneel at SecAppDev 2016, Leuven, Belgium Professor Bart Preneel of KU Leuven heads the iMinds COSIC (COmputer Security and Industrial Cryptography) research group. His main research areas are information security and privacy with a focus on cryptographic algorithms and protocols and efficient and secure implementations. He has authored more than 400 scientific publications and is inventor of five patents. He teaches cryptology, network security and discete algebra at the KU Leuven and was visiting professor at the Ruhr Universitaet Bochum (Germany), the T.U.Graz (Austria), the University of Bergen (Norway), DTU (Denmark) and the Universiteit Gent (Belgium). In '93-'94 he was a research fellow at the University of California at Berkeley. He undertakes industrial consulting for major players in the finance, telco and hardware industry and has co-designed the Belgian eID and e-voting scheme. He is active in international standaridzation . Professor Preneel has served as Director, (1997-present), Vice President (2002-2007) and President (2008-2013) of the International Association for Cryptologic Research (IACR) and is co-founder and chairman of LSEC vzw (Leuven Security Excellence Consortium). He is a fellow of the IACR, a member of the Permanent Stakeholders group of ENISA (European Network and Information Security Agency) and of the Academia Europaea. He has testified for the European and Belgian parliament. He has been invited speaker at more than 150 conferences and schools in 40 countries. In 2014 he received the RSA Award for Excellence in the Field of Mathematics.
Views: 819 secappdev.org
Vigenere Cipher 1
 
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Encrypt the message MAKE IT HAPPEN using the Vigenėre cipher and key word MATH.
Views: 124419 MathAfterMath