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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: 795436 SciShow
Information Theory part 14: Error correction codes (Hamming coding)
 
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How do we communicate digital information reliably in the presence of noise? Hamming's (7,4) error correction code demonstrates how parity bits can help us recover from transmission/storage errors. This must be taken into account when thinking about Shannon's idea of channel capacity and information rate. (hamming code, error correction)
Views: 54605 Art of the Problem
The Caesar cipher | Journey into cryptography | Computer Science | Khan Academy
 
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Brit explains the Caesar cipher, the first popular substitution cipher, and shows how it was broken with "frequency analysis" Watch the next lesson: https://www.khanacademy.org/computing/computer-science/cryptography/crypt/v/polyalphabetic-cipher?utm_source=YT&utm_medium=Desc&utm_campaign=computerscience Missed the previous lesson? https://www.khanacademy.org/computing/computer-science/cryptography/crypt/v/intro-to-cryptography?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: 592778 Khan Academy
Information Theory part 3: What is coding theory?
 
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A short story about the need for digital communication and how it leads to coding theory (variable length source coding) with a lossless compression problem. Source encoding attempts to compress the data from a source in order to transmit it more efficiently.
Views: 65808 Art of the Problem
The Enigma Machine Explained
 
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As technology increases, so do the methods of encryption and decryption we have at our disposal. World War II saw wide use of various codes from substitution ciphers to employing Navajo code talkers in the Pacific theater. Here, science journalist and author Simon Singh demonstrates the German enigma machine, a typewriter-like device used to encrypt communications. He demonstrates not only its operation, but both the strength and fatal flaws in its method. Watch the Full Program Here: https://youtu.be/nVVF8dgKC38 Original Program Date: June 4, 2011 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
Views: 459561 World Science Festival
Keyboards & Command Line Interfaces: Crash Course Computer Science #22
 
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Today, we are going to start our discussion on user experience. We've talked a lot in this series about how computers move data around within the computer, but not so much about our role in the process. So today, we're going to look at our earliest form of interaction through keyboards. We'll talk about how the keyboard got its qwerty layout, and then we'll track its evolution in electronic typewriters, and eventually terminals with screens. We are going to focus specifically on text interaction through command line interfaces, and next week we'll take a look at graphics. Check out Eons! https://www.youtube.com/watch?v=vtpi7yUHNyg Pre-order our limited edition Crash Course: Computer Science Floppy Disk Coasters here! https://store.dftba.com/products/computer-science-coasters 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: 155133 CrashCourse
Cybersecurity: Crash Course Computer Science #31
 
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Cybersecurity is a set of techniques to protect the secrecy, integrity, and availability of computer systems and data against threats. In today’s episode, we’re going to unpack these three goals and talk through some strategies we use like passwords, biometrics, and access privileges to keep our information as secure, but also as accessible as possible. From massive Denial of Service, or DDos attacks, to malware and brute force password cracking there are a lot of ways for hackers to gain access to your data, so we’ll also discuss some strategies like creating strong passwords, and using 2-factor authentication, to keep your information safe. Check out Computerphile’s wonderful video on how to choose a password! https://www.youtube.com/watch?v=3NjQ9b3pgIg Pre-order our limited edition Crash Course: Computer Science Floppy Disk Coasters here! https://store.dftba.com/products/computer-science-coasters 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: 362044 CrashCourse
Multi-Linear Secret Sharing Schemes
 
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Eleventh IACR Theory of Cryptography Conference TCC 2014 February 24-26, 2014 Amos Beimel and Aner M. Ben-Efraim and Carles Padró and Ilya Tomkin
Views: 1352 Calit2ube
Learn Python - Full Course for Beginners
 
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This course will give you a full introduction into all of the core concepts in python. Follow along with the videos and you'll be a python programmer in no time! ⭐️ Contents ⭐ ⌨️ (0:00) Introduction ⌨️ (1:45) Installing Python & PyCharm ⌨️ (6:40) Setup & Hello World ⌨️ (10:23) Drawing a Shape ⌨️ (15:06) Variables & Data Types ⌨️ (27:03) Working With Strings ⌨️ (38:18) Working With Numbers ⌨️ (48:26) Getting Input From Users ⌨️ (52:37) Building a Basic Calculator ⌨️ (58:27) Mad Libs Game ⌨️ (1:03:10) Lists ⌨️ (1:10:44) List Functions ⌨️ (1:18:57) Tuples ⌨️ (1:24:15) Functions ⌨️ (1:34:11) Return Statement ⌨️ (1:40:06) If Statements ⌨️ (1:54:07) If Statements & Comparisons ⌨️ (2:00:37) Building a better Calculator ⌨️ (2:07:17) Dictionaries ⌨️ (2:14:13) While Loop ⌨️ (2:20:21) Building a Guessing Game ⌨️ (2:32:44) For Loops ⌨️ (2:41:20) Exponent Function ⌨️ (2:47:13) 2D Lists & Nested Loops ⌨️ (2:52:41) Building a Translator ⌨️ (3:00:18) Comments ⌨️ (3:04:17) Try / Except ⌨️ (3:12:41) Reading Files ⌨️ (3:21:26) Writing to Files ⌨️ (3:28:13) Modules & Pip ⌨️ (3:43:56) Classes & Objects ⌨️ (3:57:37) Building a Multiple Choice Quiz ⌨️ (4:08:28) Object Functions ⌨️ (4:12:37) Inheritance ⌨️ (4:20:43) Python Interpreter Course developed by Mike Dane. Check out his YouTube channel for more great programming courses: https://www.youtube.com/channel/UCvmINlrza7JHB1zkIOuXEbw 🐦Follow Mike on Twitter - https://twitter.com/mike_dane 🔗If you liked this video, Mike accepts donations on his website: accept donations on my website: https://www.mikedane.com/contribute/ ⭐️Other full courses by Mike Dane on our channel ⭐️ 💻C: https://youtu.be/KJgsSFOSQv0 💻C++: https://youtu.be/vLnPwxZdW4Y 💻SQL: https://youtu.be/HXV3zeQKqGY 💻Ruby: https://youtu.be/t_ispmWmdjY 💻PHP: https://youtu.be/OK_JCtrrv-c 💻C#: https://youtu.be/GhQdlIFylQ8 -- Learn to code for free and get a developer job: https://www.freecodecamp.org Read hundreds of articles on programming: https://medium.freecodecamp.org And subscribe for new videos on technology every day: https://youtube.com/subscription_center?add_user=freecodecamp
Views: 3476485 freeCodeCamp.org
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: 790059 Khan Academy
BEAT ANY ESCAPE ROOM- 10 proven tricks and tips
 
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10 tips to dominate any Escape room- Prepare your brain for the Escape room using Brilliant.org. First 200 people get 20% off!! http://brilliant.org/markrober EXTRA INF0- -Check out Dr. Nicholson's website here for more juicy stuff- http://scottnicholson.com -8 roles for players- http://bgnlab.ca/blog/2018/8/28/the-eight-roles-for-escape-room-success.html -This is the escape room I filmed in. They were awesome to work with. If you live in Silicon Valley this is the perfect spot (not all Escape Rooms are created equal)- http://playliveescape.com/ -This is the harder room that looked like a castle- https://exit2escape.com MUSIC- 0:07- New Shoes- Blue Wednesday - https://soundcloud.com/bluewednesday/ 1:23- Spark- Maxwell Young- https://soundcloud.com/maxwell_young 2:08- The Ocean- Andrew Applepie- http://andrewapplepie.com/ 6:33- Cereal Killa- Blue Wednesday - https://soundcloud.com/bluewednesday/ 8:30- Breakfast- Andrew Applepie- http://andrewapplepie.com/ 10:57- Q- Blue Wednesday - https://soundcloud.com/bluewednesday/ 11:49- Too Happy to be cool by Notebreak- https://soundcloud.com/notebreak/dubstep-too-happy-to-be-cool Summary: I visited Dr. Scott Nicholson in Brantford, ON Canada since he is the world expert in Escape Room design. After meeting with him for a day here are the 10 tips I came away with to beat any escape room: 1. Think simple 2. Searching 3. Organize your stuff 4. Focus on what is stopping you 5. Team roles 6. Lock types 7. Code types 8. Written clues 9. Look for patterns 10. Your guide is your friend MERCH- They are soft- https://teespring.com/stores/markrober PLEASE CONSIDER SUBSCRIBING: http://tinyurl.com/MarkRober-Sub ****************************************­ I make videos like this once a month all year long while supplies last: CHECK OUT MY CHANNEL: http://tinyurl.com/MarkRober-YouTube FACEBOOK: https://www.facebook.com/MarkRoberYouTube TWITTER: https://twitter.com/#!/MarkRober INSTAGRAM: https://www.instagram.com/markrober/
Views: 6463613 Mark Rober
Quantum Computers Explained – Limits of Human Technology
 
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Where are the limits of human technology? And can we somehow avoid them? This is where quantum computers become very interesting. Check out THE NOVA PROJECT to learn more about dark energy: www.nova.org.au Support us on Patreon so we can make more stuff: https://www.patreon.com/Kurzgesagt?ty=h Get the music of the video here: https://soundcloud.com/epicmountain/quantum-computers https://epicmountainmusic.bandcamp.com/track/quantum-computers http://epic-mountain.com Wakelet: https://wakelet.com/wake/42ji9UMJzN?v=st Or follow us on social media or reddit: http://kurzgesagt.org https://www.reddit.com/r/kurzgesagt https://www.facebook.com/Kurzgesagt https://twitter.com/Kurz_Gesagt THANKS A LOT TO OUR LOVELY PATRONS FOR SUPPORTING US: Tamago231, H.H. Lewis, Kirin Tantinon, David, Max Lesterhuis, Marek Belski, Gisle, Colin Millions, Gregory Wolfe II, Lenoir Preminger, Abel X, Matt Knights, Amjad Al Taleb, Ian Bruce, Kris Wolfgramm, 麒麟 于, Christopher Shaw, 靖羊, Tomas Grolmus, Essena O’Neill, Kyle Messner, Pedro Devoto, Mark Radford, Ann-Marie Denham, Davide Pluda, Rik Vermeer, Justin Ritchie, Nicole White, Whireds, Claus Vallø, Jason Talley, Andrew Wu, Christian Dechery, Michael Howell, Michal Hanus, Cavit, Amary Wenger, JDKBot, Jason Eads, FreedomEagleAmerica, Roberto Maddaloni, TiagoF11, Harsha CS, Abhimanyu Yadav, Tracy Tobkin, Mike Fuchs, Elizabeth Mart, Jacob Wenger, Jeff Udall, Ricardo Affonso, Mauro Boffardi, Audrin Navarro, Troy Ross, Keith Tims, Santiago Perez, James, Jack Devlin, Chris Peters, Kenny Martin, Frederick Pickering, Lena Savelyeva, Ian Seale, Charles Ju, Brett Haugen, David Ramsey, Benjamin Dittes, Michelle Schoen, Albert Harguindey Sanchez, Michael King, Alex Kyriacou Alla Khvatova Thomas Rowan, Siim Sillamaa, David Bennell, Janzen,Bryn Farnsworth, Adam Recvlohe, Manuel Arredondo, Fred McIntyre, Maldock Manrique, Дмитрий, Ishita Bisht, Jake Ludwig, Zach Seggie, Casey Sloan, Myndert Papenhuyzen, rheingold3, AncientCulture, Orion Mondragon, Jan, Michael Kuperman, Alexander Argyropoulos Quantum Computers Explained – Limits of Human Technology Help us caption & translate this video! http://www.youtube.com/timedtext_cs_panel?c=UCsXVk37bltHxD1rDPwtNM8Q&tab=2
Information Theory part 2: History of the Alphabet
 
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History of the Alphabet. This video introduces the Hieroglyphic, Cuneiform, Hieratic, Demotic & Phoenician writing systems. It presents information as a series of selections from a finite collection of symbols... References (book): - The Alphabetic Labyrinth (Drucker) - Letter Perfect (David Sacks) - Empire and Communications (Innis) - The Mathematical Theory of Communication (Shannon) Image References: - http://cuneiform.library.cornell.edu/ (Cuneiform Library at Cornell) - Egyptian photography thanks to Anne Mullier (Louvre, Department of Egyptian Antiquities) http://ritournelleblog.com/ Script Advisors: Ali McMillan / Cameron Murray Extra voice footage thanks to: Feroze Shahpurwal​a
Views: 89551 Art of the Problem
How does a blockchain work - Simply Explained
 
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What is a blockchain and how do they work? I'll explain why blockchains are so special in simple and plain English! 💰 Want to buy Bitcoin or Ethereum? Buy for $100 and get $10 free (through my affiliate link): https://www.coinbase.com/join/59284524822a3d0b19e11134 📚 Sources can be found on my website: https://www.savjee.be/videos/simply-explained/how-does-a-blockchain-work/ 🐦 Follow me on Twitter: https://twitter.com/savjee ✏️ Check out my blog: https://www.savjee.be ✉️ Subscribe to newsletter: https://goo.gl/nueDfz 👍🏻 Like my Facebook page: https://www.facebook.com/savjee
Views: 2513030 Simply Explained - Savjee
What is Information Theory? (Information Entropy)
 
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What is the essence of information? We explore the history of communication technology leading to the modern field of information theory. We'll build up towards Claude Shannon's measure of information entropy, one step at a time.
Views: 193128 Art of the Problem
Compression: Crash Course Computer Science #21
 
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Get your first two months of CuriosityStream free by going to http://curiositystream.com/crashcourse and using the promo code “crashcourse”. So last episode we talked about some basic file formats, but what we didn’t talk about is compression. Often files are way too large to be easily stored on hard drives or transferred over the Internet - the solution, unsurprisingly, is to make them smaller. Today, we’re going to talk about lossless compression, which will give you the exact same thing when reassembled, as well as lossy compression, which uses the limitations of human perception to remove less important data. From listening to music and sharing photos, to talking on the phone and even streaming this video right now the ways we use the Internet and our computing devices just wouldn’t be possible without the help of compression. Pre-order our limited edition Crash Course: Computer Science Floppy Disk Coasters here! https://store.dftba.com/products/computer-science-coasters 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: 170492 CrashCourse
Multi-Party Computation: From Theory to Practice
 
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Google Tech Talk 1/8/13 Presented by Nigel P. Smart ABSTRACT Multi-Party Computation (MPC) allows, in theory, a set of parties to compute any function on their secret input without revealing anything bar the output of the function. For many years this has been a restricted to a theoretical tool in cryptography. However, in the past five years amazing strides have been made in turning theory into practice. In this talk I will present the latest, practical, protocol called SPDZ (Speedz), which achieves much of its performance advantage from the use of Fully Homomorphic Encryption as a sub-procedure. No prior knowledge of MPC will be assumed. Speaker Info University of Bristol, U.K.
Views: 9193 GoogleTechTalks
Vigenere Cipher 1
 
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Encrypt the message MAKE IT HAPPEN using the Vigenėre cipher and key word MATH.
Views: 145456 MathAfterMath
LoRa/LoRaWAN tutorial 14: Forward Error Correction and Coding Rate
 
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If you like this video and want to support me, go this page for my donation Paypal or crypto addresses: https://www.youtube.com/c/mobilefish/about This is part 14 of the LoRa/LoRaWAN tutorial. In this video series different topics will be explained which will help you to understand LoRa/LoRaWAN. It is recommended to watch each video sequentially as I may refer to certain LoRa/LoRaWAN topics explained earlier. In this video I will explain what Forward Error Correction and coding rates are. Forward Error Correction (FEC) is the process where error correction bits are added to the transmitted data. These redundant bits helps to restore the data when the data gets corrupted by interference. If more error correction bits are added, the easier the data can be corrected. However by adding more error correction bits, more data is transmitted which decreases the battery life. The coding rate refers to the proportion of the transmitted bits that actually carries information. LoRa allowed coding rate values: CR = 4/5, 4/6, 4/7 or 4/8. Another notation: CR = 4 / (4 + CR) where CR = 1,2,3,4 If CR=1, CR = 4/5 If CR=2, CR = 4/6 If CR=3, CR = 4/7 If CR=4, CR = 4/8 Check out all my other LoRa/LoRaWAN tutorial videos: https://www.youtube.com/playlist?list=PLmL13yqb6OxdeOi97EvI8QeO8o-PqeQ0g Subscribe to my YouTube channel: https://www.youtube.com/channel/UCG5_CT_KjexxjbgNE4lVGkg?sub_confirmation=1 The presentation used in this video tutorial can be found at: https://www.mobilefish.com/developer/lorawan/lorawan_quickguide_tutorial.html #mobilefish #lora #lorawan
Views: 906 Mobilefish.com
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: 133663 Lacey Wright
Information Theory part 11: Claude Shannon: A Mathematical Theory of Communication
 
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Claude Shannon demonstrated how to generate "english looking" text using Markov chains and how this gives a satisfactory representation of the statistical structure of any message. He uses this model as a framework with which to define 'information sources' and how they should be measured. References: http://www.mast.queensu.ca/~math474/shannon1948.pdf
Views: 59180 Art of the Problem
Lorenz: Hitler's "Unbreakable" Cipher Machine
 
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Many people have heard of Enigma before, the code machine used by Nazi Germany to send secret coded messages. Yet, some very clever code breakers were able to break that code and read those messages! But there was another cipher machine used by the Germans in WWII called the Lorenz machine, and this machine was even more difficult than Enigma, and was used by the top level of the Nazi Party. However the code breakers at Bletchley Park broke this code too, and could read secret messages from people like Adolf Hitler himself! It was mathematician Bill Tutte who discovered the breakthrough that allowed the Lorenz code to be broken. On the 10th of September 2014 a new memorial to Bill Tutte is unveiled in his hometown of Newmarket. Have a look at the Bill Tutte Memorial website at http://billtuttememorial.org.uk/
Views: 116407 singingbanana
Modern Coding Theory — Many Ideas, One Goal
 
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Rüdiger Urbanke, Ecole Polytechnique Fédérale de Lausanne Simons Institute Open Lectures http://simons.berkeley.edu/events/openlectures2015-spring-3
Views: 2139 Simons Institute
EOS 2019 SPECIAL.CHINTAI / BANCOR / CHRIS CONEY / EOS NATION & MORE
 
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#chintai #eos #eos2019 This week it's all about EOS as the New Kids On The Blockchain look at what happened across the EOS ecosystem across 2018 and what's planned for 2019. What excites people and where EOS is heading as part of our ongoing deep dive into the world of Crypto Currency and Blockchain. We explore why EOS is the marmite of cryptos with some loving and some hating it. Where it's been, wheres it's going and what has got everyone bubbling with excitement. We speak to: - Rob Finch from Cypher Glass about being a block producer in 2018 / 2019 and what excites him. The state of EOS today and predictions for 2019 - Philip from EOS42 and Chintai talks about their 2018 and the upcoming release of Chintai 2.0 - Jarib Figueredo from HorusPay about building a payroll system on EOS and how transactions speeds and scaleability make EOS a winning platform for them - Chris Coney from The Cryptoverse shares his extensive EOS knowledge and insight to help get ahead of the EOS game. How they raised their funding and how they plan to ensure it is deployed with much financial rigor. Also about their selling of Ethereum contributing to the bear market - Wayne Lloyd from EOS Nation reveals their highlights, lowlights and whats coming up for them in 2019 - Nate Hindman from Bancor Protocol explains how their network will allow seamless switching between EOS and other blockchains, such as Ethereum. - Dallas Rushing from Karma App talks about their social network , the first social network on EOS, based around rewarding 'doing good' , that was built and launched on EOS in 2018. - Si Wragg a keen EOS enthusiast and community member , gives us his thoughts on why EOS is going to out deliver a lot of other blockchains https://www.cypherglass.com/ https://www.chintai.io/ https://horuspay.io/ https://www.thecryptoverse.show https://eosnation.io/ https://about.bancor.network/protocol/ https://www.karmaapp.io/ Buy tickets for Colossus Invest here: https://colossusinvest.com/ https://www.newkidsontheblockchain.com/ 👫👭👬Social: Instagram thenewkidsontheblockchain Twitter: @kidsonthebchain https://www.facebook.com/blockchainnewkids/ Music by http://www.bensound.com NB. All information shared here is for information only and should not be considered any kind of financial advice. Always do your own research.
What is COMMON CODING THEORY? What does COMMON CODING THEORY mean?
 
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What is COMMON CODING THEORY? What does COMMON CODING THEORY mean? COMMON CODING THEORY meaning - COMMON CODING THEORY definition - COMMON CODING THEORY explanation. Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license. Common coding theory is a cognitive psychology theory describing how perceptual representations (e.g. of things we can see and hear) and motor representations (e.g. of hand actions) are linked. The theory claims that there is a shared representation (a common code) for both perception and action. More important, seeing an event activates the action associated with that event, and performing an action activates the associated perceptual event. The idea of direct perception-action links originates in the work of the American psychologist William James and more recently, American neurophysiologist and Nobel prize winner Roger Sperry. Sperry argued that the perception–action cycle is the fundamental logic of the nervous system. Perception and action processes are functionally intertwined: perception is a means to action and action is a means to perception. Indeed, the vertebrate brain has evolved for governing motor activity with the basic function to transform sensory patterns into patterns of motor coordination. The classical approach to cognition is a 'sandwich' model which assumes three stages of information processing: perception, cognition and then action. In this model, perception and action do not interact directly, instead cognitive processing is needed to convert perceptual representations into action. For example, this might require creating arbitrary linkages (mapping between sensory and motor codes). In contrast, the common coding account claims that perception and action are directly linked by a common computational code. This theory, put forward by German scientist Wolfgang Prinz and his colleagues from the Max Planck Institute, claims parity between perception and action. Its core assumption is that actions are coded in terms of the perceivable effects (i.e., the distal perceptual events) they should generate. This theory also states that perception of an action should activate action representations to the degree that the perceived and the represented action are similar. Such a claim suggests that we represent observed, executed and imagined actions in a commensurate manner and makes specific predictions regarding the nature of action and perceptual representations. First, representations for observed and executed actions should rely on a shared neural substrate. Second, a common cognitive system predicts facilitation of action based on directly prior perception and vice versa. Third, such a system predicts interference effects when action and perception attempt to access shared representations simultaneously. In the past decade, a growing number of results have been interpreted in favor of the common coding theory. For instance, one functional MRI study demonstrated that the brain's response to the 2/3 power law of motion (i.e., which dictates a strong coupling between movement curvature and velocity) is much stronger and more widespread than to other types of motion. Compliance with this law was reflected in the activation of a large network of brain areas subserving motor production, visual motion processing, and action observation functions. These results support the common coding and the notion of similar neural coding for motion perception and production. One of the most direct evidence for common coding in the brain now stems from the fact that pattern classifiers that can differentiate based on brain activity whether someone has performed action A or B can also classify, above chance, whether that person heard the sound of action A or B, thereby demonstrating that action execution and perception are represented using a common code. Recently, the common coding theory received increased interest from researchers in developmental psychology, cognitive neuroscience, robotics, and social psychology.
Views: 710 The Audiopedia
What is an algorithm and why should you care? | Algorithms | Computer Science | Khan Academy
 
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Watch the next lesson: https://www.khanacademy.org/computing/computer-science/cryptography/crypt/v/intro-to-cryptography?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 offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. 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: 1181182 Khan Academy Computing
Learn JavaScript in 12 Minutes
 
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Learn the fundamental features of JavaScript - the language used to add dynamic, interactive content to websites. I teach you how to get started with JavaScript, how to use variables, operators, arrays, properties, methods, custom functions, conditionals and loops. In 12 minutes. LEARN HTML IN 12 MINUTES http://youtu.be/bWPMSSsVdPk LEARN CSS IN 12 MINUTES http://youtu.be/0afZj1G0BIE LEARN PHP IN 15 MINUTES http://youtu.be/ZdP0KM49IVk Support this channel at https://www.patreon.com/jakewright ---------- Text Editors ---------- For Windows users, I recommend using Notepad++ to edit HTML files: http://notepad-plus-plus.org For Mac users, I recommend Sublime Text: http://www.sublimetext.com ---------------------------------------- SUBSCRIBE FOR MORE http://youtube.com/subscription_center?add_user=jaketvee TWITTER http://twitter.com/jakewrightuk FACEBOOK https://www.facebook.com/jakewrightuk INSTAGRAM http://instagram.com/jakewrightuk http://jakewright.net
Views: 1607546 Jake Wright
PWLSF - 6/2016 - Kiran Bhattaram on A Mathematical Theory of Communication
 
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Talks given June 23, 2016 at Stripe HQ ===== Mini Lukasz Jagiello on “pASSWORD tYPOS and How to Correct Them Securely” (https://www.cs.cornell.edu/~rahul/papers/pwtypos.pdf) Lukasz tells us: “typo-tolerant password authentication for arbitrary user-selected passwords” sounds like a really bad security joke but if we combine that with metrics where almost 10% of failed login attempts fail due to a handful of simple, easily correctable typos, such as capitalization errors. Authors proves it is possible to improve user experience with really low impact on security. I really enjoy this paper because it’s not a standard security approach and in many places it’s a reasonable tradeoff between security and UX. Lukasz's Bio Lukasz Jagiello is an operations engineer at Wikia where he is hard working on saying NO. Between NO and NO he focus his work at modern approach to monitoring and distributed storage ===== Main Talk Shannon's “A Mathematical Theory of Communication” is one of those rare papers that defined an entire field of study. (In fact, a year later, it was republished as “THE Mathematical Theory of Communication.”) It provided a unified understanding of communication systems, pulling together work from disparate disciplines like physics, electronics and telegraphy. In this paper, Shannon demonstrates that information is a measurable quantity, and transmission of information can be optimized to achieve fundamental, previously unknown limits. It's one of those papers that underlies so much of modern information theory that the material feels intensely familiar to readers now. In addition, it has a bunch of fun tidbits, including the great-grandfather of ebooks Twitter accounts. I'll provide a quick history of the field before 1948, discuss the main results of the paper, and mention some of the fun (and occasionally counter-intuitive!) implications of the paper. [0] http://worrydream.com/refs/Shannon%20-%20A%20Mathematical%20Theory%20of%20Communication.pdf Kiran's Bio Kiran Bhattaram loves making things, whether tinkering with circuits, writing software systems, or sewing dresses. She works on Stripe’s infrastructure team, and has previously built things for the New York Times, LinkedIn and MIT CSAIL.
Views: 1158 PapersWeLove
Legal Coding Applications and Solutions | Professor Wulf Kaal, St. Thomas law school
 
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Professor Wulf Kaal - a leading expert at the intersection of law, business and technology - teaches Coding for Lawyers at the University of St. Thomas law school in Minneapolis, Minnesota. This lecture is titled, "Legal Coding Applications and Solutions."
Information Theory part 15: The search for Extraterrestrial Intelligence
 
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How can we know if alien signals are intelligent? What does it mean to be intelligent? This final chapter features Carl Sagan, Phillip Morrison, Kent Cullers (SETI - The search for extraterrestrial intelligence) Link to paper by Doyle: https://web.archive.org/web/20060903080122/http://faculty.vetmed.ucdavis.edu/faculty/bjmccowan/Pubs/McCowanetal.JCP.2002.pdf
Views: 19762 Art of the Problem
Deep Learning For Developers
 
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Deep Learning has taken the world of Computer Science by storm yet for many of us it remains an elusive sci-fi-like buzzword. After years of feature engineering in Computer Vision and Natural Language Processing, we have finally come to the point where, we can feed raw data to a Neural Network, similar to how our brains work, and expect results that can surprise us in their high accuracy. This talk is about de-mystifying Deep Learning for developers many of whom could benefit from understanding and using Deep Learning in their day-to-day job. It covers the background and brief theoretical grounds in the first half but shows actual working code and examples in the rest. We will overview convolutional Neural Networks and then cover network design techniques such as pooling, dropout and local connections. The examples of this talk are in Keras on top of TensorFlow and aimed to build real-world models in the field of Text Processing. We will detect language of a code file by training on examples. EVENT: Oredev 2017 SPEAKER: Ali Kheyrollahi PERMISSIONS: Oredev Conference Organizer provided Coding Tech with permission to republish this video.
Views: 5377 Coding Tech
Public Key Cryptography: RSA Encryption Algorithm
 
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RSA Public Key Encryption Algorithm (cryptography). How & why it works. Introduces Euler's Theorem, Euler's Phi function, prime factorization, modular exponentiation & time complexity. Link to factoring graph: http://www.khanacademy.org/labs/explorations/time-complexity
Views: 544194 Art of the Problem
The Imitation Game Official Trailer #1 (2014) - Benedict Cumberbatch Movie HD
 
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Subscribe to TRAILERS: http://bit.ly/sxaw6h Subscribe to COMING SOON: http://bit.ly/H2vZUn Like us on FACEBOOK: http://goo.gl/dHs73 Follow us on TWITTER: http://bit.ly/1ghOWmt The Imitation Game Official Trailer #1 (2014) - Benedict Cumberbatch Movie HD In THE IMITATION GAME, Benedict Cumberbatch stars as Alan Turing, the genius British mathematician, logician, cryptologist and computer scientist who led the charge to crack the German Enigma Code that helped the Allies win WWII. Turing went on to assist with the development of computers at the University of Manchester after the war, but was prosecuted by the UK government in 1952 for homosexual acts which the country deemed illegal. The Movieclips Trailers channel is your destination for the hottest new trailers the second they drop. Whether it's the latest studio release, an indie horror flick, an evocative documentary, or that new RomCom you've been waiting for, the Movieclips team is here day and night to make sure all the best new movie trailers are here for you the moment they're released. In addition to being the #1 Movie Trailers Channel on YouTube, we deliver amazing and engaging original videos each week. Watch our exclusive Ultimate Trailers, Showdowns, Instant Trailer Reviews, Monthly MashUps, Movie News, and so much more to keep you in the know. Here at Movieclips, we love movies as much as you!
Views: 4285920 Movieclips Trailers
Why The Government Shouldn't Break WhatsApp
 
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Encryption backdoors - breaking WhatsApp and iMessage's security to let the government stop Bad Things - sounds like a reasonable idea. Here's why it isn't. A transcript of this video's available here: https://www.facebook.com/notes/tom-scott/why-the-government-shouldnt-break-whatsapp/1378434365572557/ CREDITS: Filmed at the Cambridge Centre for Computing History: http://www.computinghistory.org.uk/ Camera by Tomek: https://www.youtube.com/tomek Thanks to everyone who helped proofread my script! REFERENCES: WhatsApp's privacy protections questioned after terror attack: http://www.bbc.co.uk/news/technology-39405178 WhatsApp must be accessible to authorities, says Amber Rudd: https://www.theguardian.com/technology/2017/mar/26/intelligence-services-access-whatsapp-amber-rudd-westminster-attack-encrypted-messaging UK government renews calls for WhatsApp backdoor after London attack: https://www.theverge.com/2017/3/27/15070744/encryption-whatsapp-backdoor-uk-london-attacks Investigatory Powers Act: http://www.legislation.gov.uk/ukpga/2016/25/contents/enacted India is 'ready to use' Blackberry message intercept system: http://www.bbc.co.uk/news/technology-23265091 Revealed: how US and UK spy agencies defeat internet privacy and security: https://www.theguardian.com/world/2013/sep/05/nsa-gchq-encryption-codes-security Councils secretly spied on people walking dogs and feeding birds for five years: http://metro.co.uk/2016/12/26/councils-secretly-spied-on-people-walking-dogs-and-feeding-birds-for-five-years-6345051/ [This is basically a rephrase of https://www.theguardian.com/world/2016/dec/25/british-councils-used-investigatory-powers-ripa-to-secretly-spy-on-public with a better headline] Poole council spies on family over school claim: http://www.telegraph.co.uk/news/uknews/1584713/Poole-council-spies-on-family-over-school-claim.html Security services missed five opportunities to stop the Manchester bomber: http://www.telegraph.co.uk/news/2017/05/24/security-services-missed-five-opportunities-stop-manchester/ Reuters reference to "500 active investigations": http://www.reuters.com/article/us-britain-security-manchester-plots-idUSKBN18L1H0 AP: Across US, police officers abuse confidential databases: https://apnews.com/699236946e3140659fff8a2362e16f43/ap-across-us-police-officers-abuse-confidential-databases ME: I'm at http://tomscott.com on Twitter at http://twitter.com/tomscott on Facebook at http://facebook.com/tomscott and on Snapchat and Instagram as tomscottgo
Views: 1060930 Tom Scott
Solomon W. Golomb - 2016 Laureate of the Franklin Institute in Electrical Engineering
 
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Solomon W. Golomb was awarded the 2016 Benjamin Franklin Medal in Electrical Engineering for pioneering work in space communications and the design of digital spread spectrum signals, transmissions that provide security, interference suppression, and precise location for cryptography; missile guidance; defense, space, and cellular communications; radar; sonar; and GPS.
Ranjit Kumaresan - Privacy-Preserving Smart Contracts
 
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Ranjit Kumaresan of MIT presents his talk "Privacy-Preserving Smart Contracts" at the DIMACS Workshop on Cryptography and its Interactions: Learning Theory, Coding Theory, and Data Structures. http://dimacs.rutgers.edu/Workshops/Interactions/program.html The workshop on was held from Monday, July 11, 2016 Wednesday, July 13, 2016 at the Computing Research & Education Building on Busch Campus of Rutgers University. For more information visit http://dimacs.rutgers.edu
Views: 392 Rutgers University
Primality test using a sieve (Prime Adventure part 5)
 
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An attempt at an optimal trial division primality test using the Sieve of Eratosthenes. We visualize the time complexity of storing all primes up to square root of n and then testing each one. Finally we ask: why can't we just store a precomputed list of primes in memory?
Views: 12620 Art of the Problem
What is a Digital Photo in 3 minutes | Programming Animated Explanations
 
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We take hundreds of pictures daily. But do you understand what is a digital image? How is it the digital image captured? Do you want to learn Programming Languages in Udemy with our unique way (using animation, digital pen and actual programming)? You can use these Coupons to get the lowest price possible. PYTHON ($9.99) https://www.udemy.com/learn-programming-in-python-with-the-power-of-animation/?couponCode=YOUTUBE C++ ($9.99) https://www.udemy.com/learn-programming-in-cpp/?couponCode=YOUTUBE JAVA ($9.99) https://www.udemy.com/learn-programming-in-java/?couponCode=YOUTUBE BlogPost: http://www.philosophybehindcoding.com/digital-photo-3-minutes-programming-animated-explanations/ Image is the representation of the real world, on a computer or on paper. It started with the simple idea of capturing a moment and begins with a shape in Grayscale. Today we can capture an image that sometimes is more visually appealing than the reality. In addition, we can expand our capturing capabilities not only in a rectangle but also in a 360 degrees environment. Digital image explained So today, we will analyze how this is even possible. How Digital Image Works This is the perfect picture for this analysis. You can see that many small pictures can create the shape and color of a big one. However, these are not just random images from the internet. If we try to use random images, we will take random results; we will see something like noise that we already talked about in one of our previous videos. Digital image explained The goal is to produce an image of Mickey Mouse, so we need to use special images that each one of them has its own character, but at the same time obey a larger purpose. Here you can see that these images are different, but all of them have white as the main color. At the same time, you can see that in the boundaries of the shapes (between the red and white color for example) we have images that have both colors in the right rotation. So even in this mess with small images, our brain is trained to combine all this information and when you look at this picture from a distance you can distinguish very clearly Mickey. Digital image explained So we prove with an intuitive way that this process can work. But how does the computer communicate and what are the rules in order to make it work? What is digital image Every pixel has a number that represents a position in the Cartesian system. This Cartesian system is a little bit different. Here you can see the changes, but the main idea is the same. In addition, every point has a color. What is digital image And you can represent the same color in numerous ways. For example RGB, HIS, CMY and many more, but we will talk more about color in another video. For now, we will only analyze RGB. In this model, an image consists of three independent image planes, on each of the primary colors: Red, Green and Blue. So a color in a pixel is basically a set amount of each of the primary colors. These colors are stored in a bitmap, which is a sequence of numbers defining the color of each pixel. In a black and white image, we only need one bit, because a pixel can be either black or white. But in a color image, we need typically 24 bits to store the color value. How Digital Image Works We have many more parts of the image to talk about, like image compression, but I don’t want to make this video too long.How Digital Image Works ----------------------------------------------------------------------------------- Last Video: https://goo.gl/CBYVk9 ----------------------------------------------------------------------------------- Philosophy Behind Coding (PBC) is the perfect place for someone that now try to start a career as a programmer in general, or want to improve the algorithmic way of thinking Subscribe here ;) https://www.youtube.com/channel/UCKYJJA7nYEu6HfVwmje3YXQ/featured ----------------------------------------------------------------------------------- WebSite - Blog: www.PhilosophyBehindCoding.com ----------------------------------------------------------------------------------- Instagram: www.instagram.com/phil_coding/ ----------------------------------------------------------------------------------- Follow us on Twitter: https://twitter.com/Phil_Coding ----------------------------------------------------------------------------------- Business email: [email protected] ----------------------------------------------------------------------------------- Outro Song: Electric Joy Ride - Origin [NCS Release] https://www.youtube.com/watch?v=iScT5IfgG-Q BackGround Song: http://www.bensound.com PBC ----------------------------------------------------------------------------------- Philosophy Behind Coding (PBC) Keep Coding Guys!
Secured outsourcing towards cloud computing environment based on DNA cryptography
 
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Secured outsourcing towards cloud computing environment based on DNA cryptography- IEEE PROJECTS 2018 Download projects @ www.micansinfotech.com WWW.SOFTWAREPROJECTSCODE.COM https://www.facebook.com/MICANSPROJECTS Call: +91 90036 28940 ; +91 94435 11725 IEEE PROJECTS, IEEE PROJECTS IN CHENNAI,IEEE PROJECTS IN PONDICHERRY.IEEE PROJECTS 2018,IEEE PAPERS,IEEE PROJECT CODE,FINAL YEAR PROJECTS,ENGINEERING PROJECTS,PHP PROJECTS,PYTHON PROJECTS,NS2 PROJECTS,JAVA PROJECTS,DOT NET PROJECTS,IEEE PROJECTS TAMBARAM,HADOOP PROJECTS,BIG DATA PROJECTS,Signal processing,circuits system for video technology,cybernetics system,information forensic and security,remote sensing,fuzzy and intelligent system,parallel and distributed system,biomedical and health informatics,medical image processing,CLOUD COMPUTING, NETWORK AND SERVICE MANAGEMENT,SOFTWARE ENGINEERING,DATA MINING,NETWORKING ,SECURE COMPUTING,CYBERSECURITY,MOBILE COMPUTING, NETWORK SECURITY,INTELLIGENT TRANSPORTATION SYSTEMS,NEURAL NETWORK,INFORMATION AND SECURITY SYSTEM,INFORMATION FORENSICS AND SECURITY,NETWORK,SOCIAL NETWORK,BIG DATA,CONSUMER ELECTRONICS,INDUSTRIAL ELECTRONICS,PARALLEL AND DISTRIBUTED SYSTEMS,COMPUTER-BASED MEDICAL SYSTEMS (CBMS),PATTERN ANALYSIS AND MACHINE INTELLIGENCE,SOFTWARE ENGINEERING,COMPUTER GRAPHICS, INFORMATION AND COMMUNICATION SYSTEM,SERVICES COMPUTING,INTERNET OF THINGS JOURNAL,MULTIMEDIA,WIRELESS COMMUNICATIONS,IMAGE PROCESSING,IEEE SYSTEMS JOURNAL,CYBER-PHYSICAL-SOCIAL COMPUTING AND NETWORKING,DIGITAL FORENSIC,DEPENDABLE AND SECURE COMPUTING,AI - MACHINE LEARNING (ML),AI - DEEP LEARNING ,AI - NATURAL LANGUAGE PROCESSING ( NLP ),AI - VISION (IMAGE PROCESSING),mca project INTERNET OF THINGS JOURNAL 1. SMDP-Based Coordinated Virtual Machine Allocations in Cloud-Fog Computing Systems (June 2018) 2. Mobile Data Gathering with Bounded Relay in Wireless Sensor Networks(06 June 2018) 3. Robot Assistant in Management of Diabetes in Children Based on the Internet of Things 4. Secure and Efficient Protocol for Route Optimization in PMIPv6-based Smart Home IOT Networks 5. A Novel Internet of Things-centric Framework to Mine Malicious Frequent Patterns 6. Mobile Cloud-Based Big Healthcare Data Processing in Smart Cities 7. Achieving Efficient and Secure DataAcquisition for Cloud-supported Internet of Things in Smart Grid 8. Real-Time Signal Quality-Aware ECG Telemetry System for IoT-Based Health Care Monitoring 9. A Privacy Preserving Communication Protocol for IoT Applications in Smart Homes 10. Softwarization of Internet of Things Infrastructure for Secure and Smart Healthcare MULTIMEDIA 1. A Personalized Group-Based Recommendation Approach for Web Search in E-Learning ( 25 June 2018) 2. A Unified Framework for Tracking Based Text Detection and Recognition from Web Videos 3. Automatic Annotation of Text with Pictures 4. Joint Latent Dirichlet Allocation for Social Tags WIRELESS COMMUNICATIONS 1. Energy efficient modelling of a network(12 February 2018) 2. A new autonomous data transmission reduction method for wireless sensors networks 3. Securing Ad-hoc On-Demand Distance Vector Protocol in Wireless Sensor Networks (07 June 2018) IMAGE PROCESSING 1. Two reversible data hiding schemes for VQ-compressed images based on index coding (18 June 2018) 2. Image Re-ranking based on Topic Diversity 3. A Novel Data Hiding Algorithm for High Dynamic Range Images 4. Practical Privacy-Preserving Content-Based Retrieval in Cloud Image Repositories IEEE SYSTEMS JOURNAL 1. FTP-NDN File Transfer Protocol Based on Re-Encryption for Named Data Network Supporting Nondesignated Receivers(March 2018 ) 2. An Integrated Optimization System for Safe Job Assignment Based on Human Factors and Behavior (June 2018) CYBER-PHYSICAL-SOCIAL COMPUTING AND NETWORKING 1. Reliable Decision Making of Accepting friend request on social networks (March 13, 2018) 2. Motivating Content Sharing and Trustworthiness in Mobile Social Networks (08 May 2018) 3. Identifying Product Opportunities Using Social Media Mining: Application of Topic Modeling and Chance Discovery Theory ( 06 December 2017) DIGITAL FORENSIC 1. A proposed approach for preventing cross-site scripting (07 May 2018) DEPENDABLE AND SECURE COMPUTING 1. Enhanced Secure Thresholded Data Deduplication Scheme for Cloud Storage ( July-Aug. 1 2018) 2. Deep Learning of Constrained Autoencoders for Enhanced Understanding of Data 3. Efficient Fine-Grained Data Sharing Mechanism for Electronic Medical Record Systems with Mobile Devices 4. Analyzing and Detecting Money-Laundering Accounts in Online Social Networks
Alan Green - presenting "Dee-Coding Shakespeare"
 
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Alan Green - presenting "Dee-Coding Shakespeare" Feb 19,2017 - from www.fractalU.com host Dan Winter - more discussion John Dee www.goldenmean.info/ophanim - By in-depth analysis of coherent and geometric pattern recognition, Alan Green reveals John Dee's cutting-edge scientific knowledge and cryptographic mastery as the revelation motor in the mystery of Shakespeare’s identity. This completely new information has profound implications that will surely restore Dee’s maligned reputation from the dustbin of history to the pinnacle of respect and awe we all know he rightfully deserves. Green has worked in seclusion for twelve years to bring the world a previously unsuspected side to the Enochian Tables as Rosetta Stone, unpacking an amazing spiritual science hidden deep within the Shakespeare subterfuge. By matching the 624 Enochian squares to the 624 characters of Shakespeare’s Gravestone, Monument, and Sonnets Dedication, Green reveals Dee and “Shakespeare” to be the mathematical / poetical / spiritual polymaths of the Age! In a stunning tour de force you will witness how Dee has embedded twelve of the world’s most significant math constants (AND the precise geographical coordinates of the Great Pyramid!) into the innocent-looking punctuation of the Sonnets title page. Shakespeare states emphatically in Sonnet 121: “I AM THAT I AM”. Green reveals, for the first time, how the poet got away with printing such a statement which, at the time, would have been viewed as outright blasphemy, punishable by prolonged torture and death. There's more than a historical blockbuster here — there are ultimately the questions of BEING/BECOMING immortal by knowing the real wave science. Hence www.tobeornottobe.org.
Views: 15722 Dan Winter
Lecture-6 Information theoretic security and the one time pad
 
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Lectures on Introduction to Cryptography.
Views: 65 Wobbly Bit
Public key cryptography - Diffie-Hellman Key Exchange (full version)
 
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The history behind public key cryptography & the Diffie-Hellman key exchange algorithm. We also have a video on RSA here: https://www.youtube.com/watch?v=wXB-V_Keiu8
Views: 613241 Art of the Problem
Introduction to Group Theory
 
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A more high brow video. An introduction to group theory - the mathematics of symmetry. This is what I really study.
Views: 189077 singingbanana
DO YOU WISH TO SOLVE THE SECRET CODE?
 
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Hello code-solvers! I've got something for you to decipher. Please don't put the answer in the comments, so that everyone can have a chance to solve it themselves. Best of luck, and may the odds be ever in your favor.
Views: 49 The Tess
2013 The Catalyst - Fighting fraud using quantum physics
 
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SPEAKER: Assistant Professor Stephanie Wehner SYNOPSIS: How to prevent ATM fraud and protect personal information? Ex-hacker Stephanie Wehner, Principal Investigator at the Centre for Quantum Technologies and Assistant Professor at the School of Computing, National University of Singapore, talks about the future of information security. Date: 28 June 2013 Time: N/A ORGANISER : Development Office
Views: 830 NUScast
HOPE X (2014): Media, Popular Misconceptions, and the CSI Effect
 
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Friday, July 18, 2014: 11:00 am (Manning): Forensics is tedious and occasionally mind numbing. Exploit discovery and development is extremely detail oriented, and requires strong coding skills. Good Blue Team defensive strategy and implementation is team based, precise, and careful. But put a white lab coat on and, apparently, it's all magic! From Abby's "It's commercial encryption, so it's [dramatic pause] Cracked!" to CSI's famous, "Enhance! Magnify! Enhance!," the tropes of the popular entertainment world follow Arthur C. Clarke's famous saying" "Sufficiently advanced technology is indistinguishable from magic." So let's make all techs wizards! How does this popular view of tech wizardry help our hacker world? How does it hurt us, when we have to enter the courtroom, either as an expert witness, or as a defendant? How can you, when put into one of these [slightly uncomfortable] situations, defuse these tropes and make them work for you, or at least not hurt you? Does this distorted world view hurt or help technical people, companies, organizations, and agencies, in the world of tech policy, governmental regulations, and National Security Letters? Let's talk. Sandy Clark (Mouse), Joshua Marpet
Views: 427 Channel2600
David Poulin - Error Correction & Fault Tolerance
 
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David Poulin of Universite de Sherbrooke, an alumnus of IQC, speaks about his work in quantum error correction and fault tolerance. He discusses his theoretical approaches to find ways to manipulate quantum information for long periods of time in the most efficient manner. Find out more about IQC! Website - https://uwaterloo.ca/institute-for-quantum-computing/ Facebook - https://www.facebook.com/QuantumIQC Twitter - https://twitter.com/QuantumIQC

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