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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: 796764 SciShow
Famous UNCRACKED Codes That STILL Exist!
 
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Check out these famous uncracked codes that still exist! From secret riddles to unsolved mysteries, this top 10 list contains cryptography that's still unexplained today! Subscribe For New Videos! http://goo.gl/UIzLeB Watch our "Most CRAZY Things Ancient Egyptians Did!" video here: https://youtu.be/T0zERiMJFQo Watch our "Most CRAZY Things Ancient Greeks Did!" video here: https://youtu.be/-JkhVvn_dow Watch our "REAL Evidence That Aliens EXIST!" video here: https://youtu.be/dtwJT2eilx0 10. Chinese Gold Bar Cipher In 1933, General Wang in Shanghai, China, allegedly received seven gold bars. These gold bars appear to represent metal certificates related to a bank deposit with a U.S. Bank. The gold bars themselves have pictures, Chinese writing, some form of script writing, and cryptograms in Latin letters. Not surprisingly, experts debate concerning the validity of the claim for the deposit. It may help to resolve the dispute if someone can decipher the cryptograms on the bars. Someone translated the Chinese writing, which discusses a transaction in excess of $300,000,000. It also refers to these gold bars, which weigh a total of 1.8 kilograms. The rest remains a mystery. 9. D’agapeyeff Cipher The D’Agapeyeff cipher is an as-yet unbroken cipher that appears in the first edition of Codes and Ciphers, an elementary book on cryptography published by the Russian-born English cartographer Alexander D’Agapeyeff in 1939. Offered as a “challenge cipher” at the end of the book, it was not included in later editions. D’Agapeyeff supposedly admitted later to having forgotten how he had encrypted it. Some argue that the failure of all attempts at decryption is due to D’Agapeyeff incorrectly encrypting the original text. However, it has also been argued that the cipher may still be successfully attacked using computational methods such as genetic algorithms. Whatever those are. 8. The Beale Ciphers If this next one isn’t a hoax then the person who solves it could become very, very rich. This question of authenticity has bothered cryptoanalysts ever since these ciphers first appeared in an 1885 pamphlet called The Beale Papers, which recounts a fantastic story of buried treasure. According to the pamphlet, a man named Thomas Jefferson Beale, a man no one has proven even existed, discovered gold during an 1816 expedition into the American West. The treasure, as the story goes, was then transported to Bedford County, Virginia, and buried. The gold's secret location was allegedly provided by three cryptograms, of which one was already cracked. Unfortunately, the cracked code only detailed the type of treasure there and not a specific location. To find out anything more specific would involve cracking the two other ciphers. The problem is that figuring it out requires comparing them to unknown historical texts. The decrypted cipher, for example, used the Declaration of Independence. The first number, 115, corresponds with the first letter of the 115th word in the Declaration: "instituted." That means 115 stands for "I." So what are the translation texts for the other two ciphers? No one knows, and they may very well not exist at all. There are also questions over whether the other ciphers may just be unintelligible, as if the whole thing was made up by the pamphlet's author decades after the gold was supposed to have been discovered. 7. Dorabella In 1897, a 40-year-old composer named Edward Elgar sent an encrypted letter to 23-year-old Dora Penny, the stepdaughter of one of his friends. Why he sent it is part of the mystery and can only be answered if anyone ever cracks the code. To figure it out would involve deciphering 87 characters all made of strings of semi-circles oriented in different directions. Attempts at translating the cipher yielded a message just short of gibberish. Experts say that shorter ciphers are always harder to solve. Another theory has it that the code is an example of a distinct private language shared only between Penny and Elgar. If that's the case, then solving it may be simply impossible, since no one but them would understand the references. In 2016, a police officer in Cleveland believes he’s cracked at least part of the code, revealing a line of melody. Inspector Mark Pitt read 100 books on the Dorabella Cipher; he hopes to write one on his discoveries. Whether or not that’s really the meaning, though, remains to be seen. Origins Explained is the place to be to find all the answers to your questions, from mysterious events and unsolved mysteries to everything there is to know about the world and its amazing animals!
Views: 1202218 Origins Explained
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: 512680 WatchMojo.com
10 Unsolved Codes That No One Can Crack
 
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Given enough time, experts can generally crack ciphers. However, every once in a while, a code comes along that no one is able to solve despite decades of study. Are they hoaxes, or are they really just that good? These are 10 codes that no one can crack. SUBSCRIBE to Top Lists: http://bit.ly/1L6oSup 10 Things You Didn't Know About Germany - http://bit.ly/1VZVy2J 10 Things You Didn't Know About China - http://bit.ly/2194oet 5 Real Secret Societies That Control The World - http://bit.ly/1V35S9O ------------------------------------------------------------------------------------------------- Like us on Facebook: http://on.fb.me/1KFduoO 10 Unsolved Codes No One Can Crack
Views: 104060 Top Lists
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: 9152 IntlSpyMuseum
10 Codes and Ciphers
 
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10 Codes and Ciphers ----------------------------------------------- Subscribe to study the hidden secrets of the strange, unexplained and the macabre. Discover wayward spirits, unsolved mysteries, grisly murders, macabre history, folklore and legends of old. Facebook : https://fb.com/taphtv Thank you for watching our videos :x
Ancient Codes and Hieroglyphs : Documentary on the Science of Secrets (Full Documentary)
 
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Encryption and Le Chiffre Indechiffrable : Documentary on the Science of Secrets (Full Documentary). . Ancient Codes and Hieroglyphs : Documentary on the Science of Secrets (Full Documentary). . A Short History of Cryptography - A Brief History of Cryptography. An Episode Of Simon Singh's Series On The History of Keeping Secrets follows the development of the Idea of Non Secret Encryption To Finding the . This video is a production of the Washington DC Chapter of the Internet Society (ISOC-DC produced and directed by Paul Brigner and .
Views: 1151 Cira Mose
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: 197309 CrashCourse
Vigenere Cipher 1
 
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Encrypt the message MAKE IT HAPPEN using the Vigenėre cipher and key word MATH.
Views: 146164 MathAfterMath
Ciphers, Codemakers & Codebreakers (National Treasure documentary)
 
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Excerpt from documentary made for the National Treasure DVD.
Views: 11510 Jill Demby Guest
How To Write in Pigpen Cipher [2 MINUTE TUTORIAL]
 
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Pigpen cipher - also known as masonic cipher, Freemason's cipher, Napoleon cipher, and tic-tac-toe cipher - is a geometric substitution cipher based off of 4 grids. If you enjoyed this pigpen cipher tutorial, please do remember to subscribe - it really helps me out. Buy my artwork / check out my website here: https://www.buzzymartin.co.uk Follow me on instagram: https://www.instagram.com/buzzymartin
Views: 28381 Buzzy Martin
Caesar Cipher
 
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Fill in the table using the Caesar cipher. (a) Encrypt the message ATTACK AT DAWN using the Caesar cipher. (b) Decrypt the message WKLV LV IXQ using the Caesar cipher.
Views: 36182 MathAfterMath
Math for Liberal Studies: Decoding a Message Using the Bifid Cipher
 
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In this video, we work through an example decoding a message using the bifid cipher. For more info, visit the Math for Liberal Studies homepage: http://webspace.ship.edu/jehamb/mls/index.html
Views: 13885 James Hamblin
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: 593006 Khan Academy
25 Famously Unsolved Ciphers And Codes That You Won't Be Able To Break
 
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From ancient languages to modern cryptographic challenges released by government agencies like the CIA these are 25 famously unsolved ciphers and codes that you won't be able to break. https://twitter.com/list25 https://www.facebook.com/list25 http://list25.com Check out the text version too! - http://list25.com/25-famously-unsolved-ciphers-and-codes-that-you-wont-be-able-to-break/ Here's a preview: Beale Ciphers Voynich Manuscript Zodiac Killer Ciphers Kryptos Dorabella Cipher D'Agapeyeff Cipher Linear A The Phaistos Disk Chinese "Gold Bar" ciphers Indus Script Richard Feynman's Challenge Ciphers Enigma Encryption system Pigeon Cipher Rongo Rongo Script of Easter Island Vinča / Old European Proto-Elamite Rohonc Codex Taman Shud McCormick Cipher Chaocipher Shugborough Inscription Navajo Code Talkers Blitz Ciphers Bellaso Ciphers Bacon Cipher
Views: 201690 list25
Types of Ciphers
 
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Types of Ciphers
Views: 30801 Jungwoo Ryoo
Let's make secret codes
 
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Send secret messages in an easy way using this powerful technique! Music: Origin by Electric Joy Ride https://www.youtube.com/watch?v=iScT5IfgG-Q Krys Talk & Cole Sipe - Way Back Home https://www.youtube.com/watch?v=qrmc7KVIoKQ&list=UU_aEa8K-EOJ3D6gOs7HcyNg
Views: 25961 Techstremely Good
Top 7 Secret Codes and Ciphers
 
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A video I created about some secret codes and ciphers that are used in order to protect sensitive information. Watch the video to learn more :-) It includes: Monoalphabetic Substitution, Vigenère, True Codes, The Enigma Code, Public-Key Cryptography, Steganography, ROT1, Transposition, Morse Code, Caesar Shift Cipher. Music: The Complex - Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/by/3.0/ Subscribe for more great stuff :-)
Views: 3993 dzvero007
Enigma II Encryption Machine & Puzzle - encode & decode cipher
 
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AVAILABLE AT http://www.creativecrafthouse.com/index.php?main_page=product_info&cPath=137&products_id=964 This is an encryption machine that will allow you to encrypt your own messages and in addition we have provided 8 secret messages for you to try and solve. Send and receive secret messages to anyone who has a machine. its quite easy to use but creates messages that can be extremely complex to decode. Hardwood construction with gears cut from ¼” thick wood. All letters and text are deeply laser engraved into the wood. The gears turn on alloy steel pins. Made in USA and designed to last a lifetime. Available in 2 different sizes. The larger one measures approx. 12.75” x 4.5” x 1”. Each gear is approx. 3.75” in diameter . The smaller size measures 9.4” x3.2” x 1”. Each gear is approx. 3.75” in diameter) Avail at CreativeCrafthouse.com We have also recently done the Confederate Army Cipher, the Union Army Cipher (used for flag signaling) and th Mexican Army Cipher
Views: 44865 dj51florida
The Zodiac Ciphers - What do we know, and when do we stop trying to solve them?
 
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http://zodiackillerciphers.com This is a talk I gave at the 2015 Cryptologic History Symposium on October 22, 2015. I've been studying the Zodiac ciphers for a while now, and this presentation is a culmination of my research. The talk was part of the "Ciphers and Crime" panel moderated by FBI historian John Fox. Fellow panelists included FBI Cryptanalysis and Racketeering Records Unit chief Dan Olson and encryption technology author Klaus Schmeh. For much more information about the Zodiac Ciphers, please visit http://zodiackillerciphers.com Some bits of the audio dropped out due to technical issues with my sound recorder - apologies for the parts that are hard to understand! BONUS MATERIAL: At the end of the video, I recorded some new material on miscellaneous things I didn't have time to include in the presentation. ERRATA: At 28m59s, I say the 408 is missing a word or phrase between parts 1 and 2. But actually it is missing between parts 2 and 3.
Views: 132812 David Oranchak
What is Zodiac's 340-Character Cipher?  2018 ACA Presentation
 
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This is my talk given on September 8, 2018 at the annual convention of the American Cryptogram Association in Hendersonville, NC. In it I try to talk about all the things I've learned about the unsolved 340-character cipher sent by the notorious Zodiac Killer almost 50 years ago. Read more about the ciphers at http://zodiackillerciphers.com Follow me on twitter at https://twitter.com/doranchak
Views: 5679 David Oranchak
Vigenere CIpher
 
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This video is part of the Udacity course "Intro to Information Security". Watch the full course at https://www.udacity.com/course/ud459
Views: 47083 Udacity
How to Solve a Cipher in Call of Duty Zombies (Cryptography 101)
 
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Twitch: http://twitch.tv/nixaru Twitter: http://twitter.com/nixaru Discord: https://discord.gg/MAAWMbv Practice Ciphers: Ceaser Shift: Rdcvgpijapixdch, ndj yjhi strgneits ndjg uxghi rxewtg! Ndj'gt hipgixcv id vti iwt wpcv du iwxh. Substitution: TSK KCP ZTF DXFBGFELH CECNHPYP SD ZTYP LYQTFX? Y QGXQSPFDGNNH WCOF YZ NSEUFX PS ZTCZ YZ KSGNO AF FCPYFX ZS PSNVF. PTSXZ PGAPZYZGZYSE LYQTFXP CXF TCXO ZS PSNVF. Vigenère Vygh bg vcaxurgor cnahvr iopgv. G'b zzgu ydb rqfi ias zzmt am viw pgr yflkl rjzq rbdnvr! X kgfe'r tqoikln wgeb rwx vgidtzr mvw ih uavsh isv Z fdis zyih oyu vlvtuku ydb cpfsva hu codr gpkm hhzbznv tmtv axivkis xu rjv djmixv, Cpsj qw Bjmm Ffmqpcu fp dmvkiwxzc! Sources: http://www.dcode.fr/ (it's in french but just use the search bar and the articles will be in english) Incidence of Coincidence Test: http://www.dcode.fr/index-coincidence Vigenère cipher grid: https://en.wikipedia.org/wiki/Vigen%C3%A8re_cipher Letter Frequency: https://en.wikipedia.org/wiki/Letter_frequency Origins Intro Cutscene: https://www.youtube.com/watch?v=TS701bMxmSI MrRoflWaffles Origins Cipher Video: https://www.youtube.com/watch?v=9a74111tRnc
Views: 2379 Nixaru
5 Secret Unsolved Messages, Codes & Clues
 
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On one hand, the ability to understand hidden messages and codes is a valuable skill. On the other hand, the ability to produce these same ciphers and codes is also a highly-respected skill. Over the generations, the best cryptologists in the world have managed to crack some of the history’s most famous codes. Still, there are a lot of codes that still elude any rational explanation. Hi, I am Mister Mysterious. Today, I’ll be your guide through some of the most mysterious messages and codes. I will be talking about secret messages and the stories behind them that are sometimes even more intriguing than the secrets they hold. Let’s take a look at five of the most confounding codes. 5 Hidden messages that cannot be explained Be sure to subscribe because you don't want to miss what is next subscribe: http://www.youtube.com/c/Mysterious5s Special Thank you to CO.AG for the music! https://www.youtube.com/channel/UCcavSftXHgxLBWwLDm_bNvA Sources:- http://www.strangerdimensions.com/2014/02/19/yogtze-fall-unsolved-murder-gunther-stoll/ http://www.theepochtimes.com/n3/1019260-the-lost-treasure-of-the-beale-ciphers/ https://www.wired.com/2013/07/nsa-cracked-kryptos-before-cia/ http://compilation11.com/voynich-manuscript-mystery-facts http://www.wondersandmarvels.com/2013/02/the-zodiac-killer-ciphers.html Welcome to my channel. Mysterious 5 talks about mysterious stuff. I make Top 5 style videos on any topic that is mysterious, from Ancient Mysteries to Alternative History.The goal of my videos is to make you realize how mysterious and strange this world is intro music: http://www.purple-planet.com/
Views: 161991 Mysterious 5
How To Decode A Message With An ATBASH Cipher [CODE CRACKING 101]
 
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http://royalorderoftheholymackerel.com/ WANT TO JOIN THE SOCIETY? CLICK THE LINK BELOW! http://royalorderoftheholymackerel.com/new_members/ DOWNLOAD AND PRINT YOUR FREE ATBASH CIPHER DISK! https://drive.google.com/file/d/0B9b4jkHYFD5AeTdwY2FyTVU1OUk/edit?usp=sharing DOWNLOAD AND PRINT YOUR FREE DECODER DISK #3! https://drive.google.com/file/d/0B9b4jkHYFD5AanB5Q08tbklYMTQ/edit?usp=sharing DOWNLOAD AND PRINT YOUR FREE "THREE LETTERS BACK" CAESAR CIPHER! https://drive.google.com/file/d/0B9b4jkHYFD5AWjBNUnZVX3JuYmM/edit?usp=sharing SUPPORT THE SHOW AND UNLOCK COOL BONUS CONTENT ON PATREON! http://www.patreon.com/RoyalOrderoftheHolyMackerel MEMBERSHIP KITS, INVISIBLE INK PENS, MEMBER'S JOURNAL BINDERS, AND DECODER RINGS ARE NOW AVAILABLE IN THE STORES!! http://roothm.storenvy.com/ http://www.zazzle.com/roothm JOIN THE FISHERS OF TRUTH NEWSLETTER http://eepurl.com/TXpbn SUBSCRIBE TO THE PODCAST ON iTUNES https://itunes.apple.com/us/podcast/royal-order-holy-mackerel/id855579169 OUR PREVIOUS MEETING http://youtu.be/NpmXQV6q9Ug ------------------ Welcome to Code Cracking 101! In this episode I explain how to use an ATBASH cipher to decode the secret messages hidden in episodes 7 - 13 (and beyond) of Gravity Falls. ------------------ SEND LETTERS, FAN MAIL, AND POSTCARDS TO Douglas MacKrell P.O.Box 6529 Astoria, NY 11106 SEND EMAILS TO [email protected] JOIN THE SOCIETY Website http://royalorderoftheholymackerel.com/ Facebook https://www.facebook.com/theroyalorderoftheholymackerel Twitter https://twitter.com/DouglasMacKrell Tumblr http://theroyalorderoftheholymackerel.tumblr.com/ Instagram http://instagram.com/douglasmackrell G+ https://www.google.com/+BigMacKrell ----------------- MORE INFORMATION ON GRAVITY FALLS http://disneychannel.disney.com/gravity-falls http://en.wikipedia.org/wiki/Gravity_Falls http://gravityfalls.wikia.com/wiki/Gravity_Falls_Wiki MORE INFORMATION ABOUT THE ATBASH CIPHER http://en.wikipedia.org/wiki/Atbash Cipher Challenge: Atbash cipher http://youtu.be/EksD3QHkkRE atbash http://youtu.be/t4Z0eVVZDPk The Hidden Meaning of END OF THE WORLD http://youtu.be/W96lFus0JRo ------------- In this meeting of Code Cracking 101, I break down the Atbash Cipher. The ATBASH cipher actually got it's start in Hebrew text - notably in Jewish Mysticism, as it's used in translations of their religious books. The name itself is is actually an acronym of four Hebrew letters: Aleph-Tav-Beth-Shin (אתבש). The way the Atbash Cipher works is by mirroring the alphabet. By writing A to Z on a piece of paper and Z to A just below it, you've crafted an Atbash Cipher! This means that if you decode one letter B=Y, you've decoded the reverse as well Y=B. Due to the low difficulty of this encryption method, it's not often used in situations where data must remain secure - but it does make a great way to casually encode messages between friends! http://wp.me/a4aWg3-8H
Views: 56744 Secret Screening
Top 10 Unbreakable Ciphers and Codes — TopTenzNet
 
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Top 10 Unbreakable Ciphers and Codes →Subscribe for new videos every day! http://bit.ly/toptenzsubscribe →10 Reasons Bruce Lee was a Superhuman: http://bit.ly/1Hl4mVu Entertaining and educational top 10 lists from TopTenzNet! Brand new videos 7 days a week! Videos are published at 6pm EST every day! Other TopTenz Videos: Top 10 Historical Unsolved Mysteries http://bit.ly/1RAAE95 In an age where we have satellites that can zoom in to watch an ant pee on a leaf, you’d think our society pretty much knows everything. Even with our high-speed, touchscreen, 3-D, Star Wars projectors, there are still a few ciphers and codes keeping cryptologists (trust us, it’s a word) stumped. Some of them come from way back in the 18th century. Even with the addition of advanced technology, ye ol’ pilgrims are proving that the smartest thing about our society might just be our phones. Text version: http://www.toptenz.net/top-10-unbreakable-ciphers-codes.php Coming up: 10. Dorabella Cipher 9. D’Agapeyeff Cipher 8. Indus Script 7. Chinese Gold Bar Ciphers 6. Zodiac Killer 5. Linear A 4. Proto-Elamite 3. Taman Shud 2. McCormick Cipher 1. Bacon Cipher Source/Other reading: http://www.ciphermysteries.com/the-dorabella-cipher http://nautil.us/issue/6/secret-codes/the-artist-of-the-unbreakable-code http://www.ciphermysteries.com/2013/12/23/dagapeyeff-cipher http://itknowledgeexchange.techtarget.com/security-corner/the-unsolved-dagapeyeff-cipher/ http://www.harappa.com/script/indusscript.pdf http://elonka.com/UnsolvedCodes.html http://books.google.com/books?id=G4gCs-RmVZwC&pg=PA46&lpg=PA46&dq=General+Wang+unsolved+gold+bars&source=bl&ots=vrfYkpCHEz&sig=gwWoVvcHk5qecMsXwuLVmZoYKZU&hl=en&sa=X&ei=XU9_U-HGOtelyATduYDYDg&ved=0CHsQ6AEwBQ#v=onepage&q=General%20Wang%20unsolved%20gold%20bars&f=false http://listverse.com/2007/10/01/top-10-uncracked-codes/ http://www.crimelibrary.com/serial_killers/notorious/zodiac/8.html http://www.zodiologists.com/ http://mysteries24.com/n4-21061-Unsolved_coded_messages http://www.cam.ac.uk/research/news/cracking-the-code-the-decipherment-of-linear-b-60-years-on http://www.ancientscripts.com/elamite.html http://www.historytoday.com/mark-ronan/puzzle-proto-elamite http://www.heraldsun.com.au/news/law-order/portrait-may-hold-key-to-somerton-man-beach-mystery/story-fni0ffnk-1226674957043 http://www.ciphermysteries.com/2009/08/08/the-tamam-shud-cipher-mystery http://www.fbi.gov/news/stories/2011/march/cryptanalysis_032911/cryptanalysis_032911 http://www.riverfronttimes.com/2012-06-14/news/ricky-mccormick-code-mysterious-death-st-louis/ http://www.jstor.org/discover/10.2307/751135?uid=3739256&uid=2129&uid=2&uid=70&uid=4&sid=21103794245461 http://www.bibliotecapleyades.net/ciencia/esp_ciencia_manuscrito06.htm
Views: 85901 TopTenz
Null Cipher Code
 
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Deane shows how to use a simple code to send secret messages. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Facebook ➤ http://www.facebook.com/CuriosityShow Twitter ➤ https://twitter.com/CuriosityShow Curiosity Show ➤ www.curiosityshow.com.au
Views: 10333 CuriosityShow
Cryptography: Transposition Cipher
 
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This lesson explains how to encrypt and decrypt a message using a transposition cipher. Site: http://mathispower4u.com
Views: 59148 Mathispower4u
Vigenere Cipher - Decryption (Unknown Key)
 
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This video shows the process (thoroughly) of how to find the key when you don't have it. English alphabet frequencies: http://www.math.cornell.edu/~mec/2003-2004/cryptography/subs/frequencies.html Decryption (known key): http://youtu.be/oHcJ4QLiiP8 Encryption: http://youtu.be/izFivfLjD5E
Views: 120458 Theoretically
Codes and Ciphers - Monoalphabetic Ciphers
 
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Understanding monoaplhabetic ciphers
Views: 944 Chuck Moore
Cryptology - Part 3: Bacon's Cipher
 
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The video clearly explains Bacon's cipher / Baconian cipher in encoding and decoding secret messages. www.learncryptology.appspot.com www.chukwuemeka-samuel.appspot.com www.samuelchukwuemeka.com
Views: 644 Samuel Chukwuemeka
The Secrets of Gravity Falls - - [ Hidden Messages, Codes, & More! ]
 
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Some of my favorite secrets about Disney's Gravity falls. Obviously I'm not the first to make a video on this topic, but I wanted to make a more comprehensive & visual compilation of SOME (not all) of the hidden content in the Gravity Falls Universe! Talk more toons with me on Facebook: http://www.facebook.com/lewtoons GF Theme song covers: Music Box Cover: http://www.youtube.com/watch?v=SNzu1YPBPBs 8bit Cover: http://www.youtube.com/watch?v=4NXGKUXrw0U Wendy Art (And more cool toon art): http://thearenddude.deviantart.com/art/Gravity-Falls-Wendy-320959367 { all clips belong to their respective owners }
Views: 5591685 Lewtoons
Affine Cipher Encryption
 
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gcd: https://www.youtube.com/watch?feature=player_detailpage&v=WA4nP-iPYKE Decryption: http://youtu.be/XFxFPBKFVe8
Views: 23644 Theoretically
The Isisian Codes - Acroamatic Ciphers
 
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Originally recorded in Dec, 2009, Intro to Acroamatic Cryptograms introduces the idea of "a sacred Alphabet" encoded into mythology as hinted at by Manley P. Hall, who commented on the concept in a chapter called "The Cryptogram as a Factor in Symbolic Mythology". Graphics help bring the original content into a clearer perspective. This was Podcast 2, Segment 2 in the original series.
Views: 831 Dennis Fetcho
Cryptanalysis of Classical Ciphers
 
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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: 12877 nptelhrd
The Hunt for the Zodiac Killer: Codebreaking 101 | History
 
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Kevin Knight describes how a team developed a high-tech codebreaking AI called Carmel to crack the Zodiac cypher. Subscribe for more from Hunt for the Zodiac Killer and other great HISTORY shows: http://www.youtube.com/subscription_center?add_user=historychannel Find out more about the show and watch full episodes on our site: http://www.history.com/shows/the-hunt-for-the-zodiac-killer Newsletter: https://www.history.com/newsletter Website - http://www.history.com Facebook - https://www.facebook.com/History Twitter - https://twitter.com/history Google+ - https://plus.google.com/+HISTORY The Hunt for the Zodiac Killer Season 1 Episode 1 On "The Hunt for the Zodiac Killer," LAPD homicide detective Sal LaBarbera and a team of master codebreakers use their unrivaled expertise to bring the most mysterious serial killer in American history into the light. HISTORY®, now reaching more than 98 million homes, is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, epic miniseries, and scripted event programming. Visit us at HISTORY.com for more info.
Views: 77283 HISTORY
The Enigma Code
 
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An elementary introduction to the way the famous Enigma code used by the Germans during WWII. David Perry explains some of the history and the mathematics behind the code. This is part of an outreach program sponsored by NSF-VIGRE at UC Davis.
Views: 321471 UCDavis
Cryptography - Breaking the Vigenere Cipher
 
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In this video I go over how to use my Vigenere frequency tool to figure out the keyword used to encrypt a message using the Vigenere Cipher. **This video will not explain why certain columns have marks under the keysize. That is shown in another video. All my encryption links are at http://www.brianveitch.com/maze-runner/
Views: 28966 Brian Veitch
Letter Frequency of Ciphers
 
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This video is part of the Udacity course "Intro to Information Security". Watch the full course at https://www.udacity.com/course/ud459
Views: 6503 Udacity
Famous UNCRACKED Codes That STILL Exist!
 
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Famous UNCRACKED Codes That STILL Exist!. Check out these famous uncracked codes that still exist! From secret riddles to unsolved mysteries, this top 10 list contains cryptography that's still unexplained today! Subscribe For New Videos! http://goo.gl/UIzLeB Watch our "Most CRAZY Things Ancient Egyptians Did!" video here: https://youtu.be/T0zERiMJFQo Watch our "Most CRAZY Things Ancient Greeks Did!" video here: https://youtu.be/-JkhVvn_dow Watch our "REAL Evidence That Aliens EXIST!" video here: https://youtu.be/dtwJT2eilx0 10. Chinese Gold Bar Cipher In 1933, General Wang in Shanghai, China, allegedly received seven gold bars. These gold bars appear to represent metal certificates related to a bank deposit with a U.S. Bank. The gold bars themselves have pictures, Chinese writing, some form of script writing, and cryptograms in Latin letters. Not surprisingly, experts debate concerning the validity of the claim for the deposit. It may help to resolve the dispute if someone can decipher the cryptograms on the bars. Someone translated the Chinese writing, which discusses a transaction in excess of $300,000,000. It also refers to these gold bars, which weigh a total of 1.8 kilograms. The rest remains a mystery. 9. D’agapeyeff Cipher The D’Agapeyeff cipher is an as-yet unbroken cipher that appears in the first edition of Codes and Ciphers, an elementary book on cryptography published by the Russian-born English cartographer Alexander D’Agapeyeff in 1939. Offered as a “challenge cipher” at the end of the book, it was not included in later editions. D’Agapeyeff supposedly admitted later to having forgotten how he had encrypted it. Some argue that the failure of all attempts at decryption is due to D’Agapeyeff incorrectly encrypting the original text. However, it has also been argued that the cipher may still be successfully attacked using computational methods such as genetic algorithms. Whatever those are. 8. The Beale Ciphers If this next one isn’t a hoax then the person who solves it could become very, very rich. This question of authenticity has bothered cryptoanalysts ever since these ciphers first appeared in an 1885 pamphlet called The Beale Papers, which recounts a fantastic story of buried treasure. According to the pamphlet, a man named Thomas Jefferson Beale, a man no one has proven even existed, discovered gold during an 1816 expedition into the American West. The treasure, as the story goes, was then transported to Bedford County, Virginia, and buried. The gold's secret location was allegedly provided by three cryptograms, of which one was already cracked. Unfortunately, the cracked code only detailed the type of treasure there and not a specific location. To find out anything more specific would involve cracking the two other ciphers. The problem is that figuring it out requires comparing them to unknown historical texts. The decrypted cipher, for example, used the Declaration of Independence. The first number, 115, corresponds with the first letter of the 115th word in the Declaration: "instituted." That means 115 stands for "I." So what are the translation texts for the other two ciphers? No one knows, and they may very well not exist at all. There are also questions over whether the other ciphers may just be unintelligible, as if the whole thing was made up by the pamphlet's author decades after the gold was supposed to have been discovered. 7. Dorabella In 1897, a 40-year-old composer named Edward Elgar sent an encrypted letter to 23-year-old Dora Penny, the stepdaughter of one of his friends. Why he sent it is part of the mystery and can only be answered if anyone ever cracks the code. To figure it out would involve deciphering 87 characters all made of strings of semi-circles oriented in different directions. Attempts at translating the cipher yielded a message just short of gibberish. Experts say that shorter ciphers are always harder to solve. Another theory has it that the code is an example of a distinct private language shared only between Penny and Elgar. If that's the case, then solving it may be simply impossible, since no one but them would understand the references. In 2016, a police officer in Cleveland believes he’s cracked at least part of the code, revealing a line of melody. Inspector Mark Pitt read 100 books on the Dorabella Cipher; he hopes to write one on his discoveries. Whether or not that’s really the meaning, though, remains to be seen.
Views: 6 James Aubert
Symmetric Key Ciphers
 
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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: 17944 nptelhrd
Cryptography 101 - - ADFGVX
 
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ADFVGX was a cipher that was primarily used by the German Army during WWI. It is fractionating substitution cipher, which basically means that all of the letters are replaced by some other character, which is then mashed up. More Crypto 101: XOR - https://www.youtube.com/watch?v=xK_SqWG9w-Y Pigpen - https://www.youtube.com/watch?v=bUlIvx0fgV8 Homophonic Cipher - https://www.youtube.com/watch?v=sB_3fcO8G24 Vigenère Cipher - https://www.youtube.com/watch?v=QzizXgWGjcM Cracking Substitution Ciphers - https://www.youtube.com/watch?v=p99Wo_rr7OA Caesar shift and Atbash - https://www.youtube.com/watch?v=BbcYLI_3mNA Support me on Patreon if you are into that - https://www.patreon.com/laingsoft
Views: 2247 Charles Laing
How to Break Cryptography | Infinite Series
 
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Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/donateinfi Only 4 steps stand between you and the secrets hidden behind RSA cryptography. Find out how to crack the world’s most commonly used form of encryption. Tweet at us! @pbsinfinite Facebook: facebook.com/pbsinfinite series Email us! pbsinfiniteseries [at] gmail [dot] com Previous Episode: Can We Combine pi & e into a Rational Number? https://www.youtube.com/watch?v=bG7cCXqcJag&t=25s Links to other resources: Shor's paper: https://arxiv.org/abs/quant-ph/9508027v2 Lecture on Shor's Algorithm: https://arxiv.org/pdf/quant-ph/0010034.pdf Blog on Shor's algorithm: http://www.scottaaronson.com/blog/?p=208 Video on RSA cryptography: https://www.youtube.com/watch?v=wXB-V_Keiu8 Another video on RSA cryptography: https://www.youtube.com/watch?v=4zahvcJ9glg Euler's Big Idea: https://en.wikipedia.org/wiki/Euler%27s_theorem (I can find a non-wiki article, but I don't actually use this in the video. It's just where to learn more about the relevant math Euler did.) Written and Hosted by Kelsey Houston-Edwards Produced by Rusty Ward Graphics by Ray Lux Made by Kornhaber Brown (www.kornhaberbrown.com) Challenge Winner - Reddles37 https://www.youtube.com/watch?v=bG7cCXqcJag&lc=z135cnmgxlbwch1ds233sbzgaojkivaz004 Comments answered by Kelsey: Joel David Hamkins https://www.youtube.com/watch?v=bG7cCXqcJag&lc=z13zdpcwyk2ofhugh04cdh4agsr2whmbsmk0k PCreeper394 https://www.youtube.com/watch?v=bG7cCXqcJag&lc=z135w324kw21j1qi104cdzvrpoixslmq1jw
Views: 183033 PBS Infinite Series
Can YOU Crack This Complex Codex?
 
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There's a simple solution to this fiendish cipher, but can you see it? Find Brian on social media: http://twitter.com/scamschool http://twitter.com/shwood http://facebook.com/shwood http://google.com/+shwood http://instagram.com/scamschoolbrian This episode of Scam School was made by: Brian Brushwood Brandt Hughes Bryce Castillo Roberto Villegas Jeff Schuessler Shot on location at The Rusty Mule in Austin, TX
Views: 49210 Scam Nation
Book Code
 
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Video describing how to use the Book Code.
Views: 985 Victoria Strickland
CRYPTOGRAPHY | Secret Language  | CODING AND DECODING
 
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CRYPTOGRAPHY | Secret Language | CODING AND DECODING When you were a kid, did you have a "Captain Midnight" decoder ring? With it, you could send messages to a friends that no one else could read. Or perhaps you remember using special symbols to write notes to your "squeeze" in class. If the note was intercepted , your teacher, could learn nothing about your romance. In more serious uses, codes and ciphers are used by our military and diplomatic forces to keep confidential information from unauthorized eyes. Businesses also send data that has been encoded to try and protect trade secrets and back-room deals. After all, you wouldn't want your competitor to know that you were about to acquire their company with a leveraged buy-out. The study of enciphering and encoding (on the sending end), and deciphering and decoding (on the receiving end) is called cryptography from the Greek κρυπτός (kryptos), or hidden and γράφειν (graphia), or writing. If you don't know Greek (and not many of us do) the above letters could be a form of code themselves! Although the distinction is fuzzy, ciphers are different from codes. When you substitute one word for another word or sentence, like using a foreign language dictionary, you are using a code. When you mix up or substitute existing letters, you are using a cipher. (I told you the difference was fuzzy, and you can combine codes and ciphers by substituting one word for another and then mixing up the result.) We'll concentrate on ciphers. For a cipher to be useful, several things must be known at both the sending and receiving ends. The algorithm or method used to encipher the original message (known as the plaintext). The key used with the algorithm to allow the plaintext to be both enciphered and deciphered. The period or time during which the key is valid. By way of analogy, to get into your home you would put a key in a lock to open the door. This process (the use of a key and a lock) is the method or algorithm. Now this method only works if you have the proper key to stick in the lock, and your key will be valid only as long as you are the resident of the particular abode. The next resident will have the locks changed to a different key to make sure that you cannot enter even though you may know the method. The selection of the above three items - algorithm, key and period - depend on your needs. If you are in the battlefield and are receiving current tactical data, you want an algorithm that makes it easy to decipher the message in the heat of battle. On the other hand, you must also assume that your opponent has intercepted your enciphered message and is busy trying to break it. Therefore you must choose an algorithm (method) that is complicated enough so that by the time your opponent figures it out, the data will be worthless. The easier the algorithm you choose, the more often you will have to change the key that unlocks the code - if you want to keep your enemy in the dark. Ciphers are broken into two main categories; substitution ciphers and transposition ciphers. Substitution ciphers replace letters in the plaintext with other letters or symbols, keeping the order in which the symbols fall the same. Transposition ciphers keep all of the original letters intact, but mix up their order. The resulting text of either enciphering method is called the ciphertext. Of course, you can use both methods, one after the other, to further confuse an unintended receiver as well. To get a feel for these methods, let's take a look at some ciphers. Substitution ciphers and decoder rings We use substitution ciphers all the time. (Actually, substitution ciphers could properly be called codes in most cases.) Morse code, shorthand, semaphore, and the ASCII code with which these characters are being stored in inside my Macintosh are all examples. (ASCII stands for American Standard Code for Information Interchange, just in case you're interested.) The only difference between these and the spy codes is that the above examples are standardized so that everyb
158,962,555,217,826,360,000 (Enigma Machine) - Numberphile
 
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The Nazi's Enigma Machine - and the mathematics behind it - was a crucial part of World War II. Flaw video at: http://www.youtube.com/watch?v=V4V2bpZlqx8 More links & stuff in full description below ↓↓↓ Brown papers on ebay: bit.ly/brownpapers Dr James Grime demonstrates the machine and discusses its many configurations. James' "day job" is touring with the Enigma machine - he could even visit you - see more at http://enigma.maths.org/content/project-officer NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Subscribe: http://bit.ly/Numberphile_Sub Videos by Brady Haran Patreon: http://www.patreon.com/numberphile Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/ Brady's latest videos across all channels: http://www.bradyharanblog.com/ Sign up for (occasional) emails: http://eepurl.com/YdjL9 Numberphile T-Shirts: https://teespring.com/stores/numberphile Other merchandise: https://store.dftba.com/collections/numberphile
Views: 3552201 Numberphile
Vigenere Cipher Encryption and Decryption in Python
 
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Vigenère Cipher in Python 01:26 - Input Message and Key 02:16 - Mapping Key to Message 03:58 - Creating Vigenere Table 06:31 - Encryption 08:40 - Decryption 10:02 - key row to letter head of column 12:14 - Testing the working of cipher -*- Support on Patreon: https://www.patreon.com/voxelpixel -*- Support me with BTC: 1MGUkGsQ3UAkGpH3bCch6o3mRsYP4Hn683 -*- Support me with ETH: 0x6AC343664b66a678eF90CE9379B5c9F08d98e1e5 -*- Support me with BCH: qr0yl65hkc8vzuu60x2wzdp4rhfr997s2qghswrt4p -*- Source Code: https://github.com/VoxelPixel Hi!! In this video I'll be coding vigenère cipher encryption and decryption using Python Vigenere Cipher is a form of poly-alphabetic substitution, its algorithm is as following: - Take plaintext and a key - repeat key till its total length is equal to plaintext. - create a 26x26 table containing letters of alphabets, from second row, each row's letters r shifted to left by one position --Encryption-- - To encrypt, take a letter in plaintext along with its corresponding letter in key - use plaintext letter as column index and key's letter as row of vigenère table - row-column intersection's value is the ciphertext letter --Decryption-- - To decrypt, take a letter in ciphertext along with itss corresponding letter in key - use key's letter as row index and letter heading of column which contains cipher letter is the required plaintext
Views: 1824 VoxelPixel

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