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08:40
How do we exchange a secret key in the clear? Spoiler: We don't - Dr Mike Pound shows us exactly what happens. Mathematics bit: https://youtu.be/Yjrfm_oRO0w Computing Limit: https://youtu.be/jv2H9fp9dT8 https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com
Views: 250685 Computerphile

08:38
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: 645296 Art of the Problem

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This Algorithm is used to exchange the secret /symmetric key between sender and receiver. This exchange of key can be done with the help of public key and private key step 1 Assume prime number p step 2 Select a such that a is primitive root of p and a less than p step 3 Assume XA private key of user A step 4 Calculate YA public key of user A with the help of formula step 5 Assume XB private key of user B step 6 Calculate YB public key of user B with the help of formula step 7 Generate K secret Key using YB and XA with the help of formula at Sender side. step 8 Generate K secret Key using YA and XB with the help of formula at Receiver side.

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Craig Costello and Patrick Longa and Michael Naehrig, Crypto 2016. See http://www.iacr.org/cryptodb/data/paper.php?pubkey=27646
Views: 1700 TheIACR

05:56
Diffie Hellman Key Exchange in Hindi for Symmetric Key Encryption System – With Example Like FB Page - https://www.facebook.com/Easy-Engineering-Classes-346838485669475/ Complete Data Structure Videos - https://www.youtube.com/playlist?list=PLV8vIYTIdSna11Vc54-abg33JtVZiiMfg Complete Java Programming Lectures - https://www.youtube.com/playlist?list=PLV8vIYTIdSnbL_fSaqiYpPh-KwNCavjIr Previous Years Solved Questions of Java - https://www.youtube.com/playlist?list=PLV8vIYTIdSnajIVnIOOJTNdLT-TqiOjUu Complete DBMS Video Lectures - https://www.youtube.com/playlist?list=PLV8vIYTIdSnYZjtUDQ5-9siMc2d8YeoB4 Previous Year Solved DBMS Questions - https://www.youtube.com/playlist?list=PLV8vIYTIdSnaPiMXU2bmuo3SWjNUykbg6 SQL Programming Tutorials - https://www.youtube.com/playlist?list=PLV8vIYTIdSnb7av5opUF2p3Xv9CLwOfbq PL-SQL Programming Tutorials - https://www.youtube.com/playlist?list=PLV8vIYTIdSnadFpRMvtA260-3-jkIDFaG Control System Complete Lectures - https://www.youtube.com/playlist?list=PLV8vIYTIdSnbvRNepz74GGafF-777qYw4

05:24
This is a segment of this full video: https://www.youtube.com/watch?v=YEBfamv-_do Diffie-Hellman key exchange was one of the earliest practical implementations of key exchange within the field of cryptography. It relies on the discrete logarithm problem. This test clip will be part of the final chapter of Gambling with Secrets!
Views: 453114 Art of the Problem

33:10
Website + download source code @ http://www.zaneacademy.com | typo in server display corrected here https://youtu.be/6C5sq5TaVMs?t=90 00:08 demo prebuilt version of the application 04:20 what discrete logarithm problem(s) does Eve need to solve [typo correction in server console] s(congruent)B^a mod p [typo correction in server console] s(congruent)A^b mod p 05:00 quick intro to Diffie Hellman Key Exchange (DHKE) 06:00 what is a group 7:30 what is a cyclic group 7:50 what is a group generator 09:08 DHKE proof 10:12 what is the Discrete Logarithm Problem 10:51 what is the Diffie Hellman Problem 11:55 what is the generalized discrete logarithm problem 12:55 why 1 and p-1 are not included when picking the secret keys for both parties 14:30 start coding the application 17:35 coding the server side 22:25 coding the client side 26:54 initializing the domain params p and alpha 27:58 calculating the public key 28:45 calculating the common key 29:56 test running the application [typo correction in server console] s (congruent) B^a mod p [typo correction in server console] s (congruent) A^b mod p

09:12
Views: 1132 intrigano

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The ElGamal Public key System To get certificate subscribe: https://www.coursera.org/learn/crypto ======================== Playlist URL: https://www.youtube.com/playlist?list=PL2jykFOD1AWYosqucluZghEVjUkopdD1e ======================== About this course: Cryptography is an indispensable tool for protecting information in computer systems. In this course you will learn the inner workings of cryptographic systems and how to correctly use them in real-world applications. The course begins with a detailed discussion of how two parties who have a shared secret key can communicate securely when a powerful adversary eavesdrops and tampers with traffic. We will examine many deployed protocols and analyze mistakes in existing systems. The second half of the course discusses public-key techniques that let two parties generate a shared secret key.
Views: 1192 intrigano

12:11
Today we're going over Elliptic Curve Cryptography, particularly as it pertains to the Diffie-Hellman protocol. The ECC Digital Signing Algorithm was also discussed in a separate video concerning Bitcoin's cryptography.
Views: 56228 CSBreakdown

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Details and basic calculator: http://asecuritysite.com/encryption/dhe
Views: 3254 Bill Buchanan OBE

11:39
How does instant messaging encryption protect against attack? Dr Mike Pound on the double ratchet. Diffie Hellman Key Exchange Explained: https://youtu.be/NmM9HA2MQGI Signal Protocol: https://youtu.be/DXv1boalsDI Endianness Explained with an Egg: https://youtu.be/NcaiHcBvDR4 https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com
Views: 81628 Computerphile

11:49
The Diffie-Hellman key exchange is used extensively in Internet communications today. Many web applications use this key exchange because it achieves Perfect Forward Secrecy (using ephemeral keys) which provides more security than other key exchange algorithms like RSA. In this video, John explains the Diffie-Hellman key exchange, and he walks through an example of the calculations used to make it all work. https://devcentral.f5.com/articles/lightboard-lessons-explaining-the-diffie-hellman-key-exchange-31674
Views: 8584 F5 DevCentral

04:56
Views: 39664 OCLPhase2

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This video explains why key exchange is an issue in cryptography and introduces Diffie-Hellman's solution to this problem. NB : This video was created as a part of an assignment. It is heavily influenced from another youtube video which you can find here https://www.youtube.com/watch?v=YEBfamv-_do
Views: 50827 Bishal Sapkota

14:23
This video describes in detailed the Diffie–Hellman Key Exchange. A proof on why this protocol works is also given.
Views: 1806 Leandro Junes

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Views: 4146 Quick Trixx

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Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/donateinfi Symmetric keys are essential to encrypting messages. How can two people share the same key without someone else getting a hold of it? Upfront asymmetric encryption is one way, but another is Diffie-Hellman key exchange. This is part 3 in our Cryptography 101 series. Check out the playlist here for parts 1 & 2: https://www.youtube.com/watch?v=NOs34_-eREk&list=PLa6IE8XPP_gmVt-Q4ldHi56mYsBuOg2Qw Tweet at us! @pbsinfinite Facebook: facebook.com/pbsinfinite series Email us! pbsinfiniteseries [at] gmail [dot] com Previous Episode Topology vs. “a” Topology https://www.youtube.com/watch?v=tdOaMOcxY7U&t=13s Symmetric single-key encryption schemes have become the workhorses of secure communication for a good reason. They’re fast and practically bulletproof… once two parties like Alice and Bob have a single shared key in hand. And that’s the challenge -- they can’t use symmetric key encryption to share the original symmetric key, so how do they get started? Written and Hosted by Gabe Perez-Giz Produced by Rusty Ward Graphics by Ray Lux Assistant Editing and Sound Design by Mike Petrow and Meah Denee Barrington Made by Kornhaber Brown (www.kornhaberbrown.com) Thanks to Matthew O'Connor, Yana Chernobilsky, and John Hoffman who are supporting us on Patreon at the Identity level! And thanks to Nicholas Rose, Jason Hise, Thomas Scheer, Marting Sergio H. Faester, CSS, and Mauricio Pacheco who are supporting us at the Lemma level!
Views: 54438 PBS Infinite Series

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Views: 14329 MajorPrep

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Paper by Nico Döttling and Sanjam Garg, presented at Crypto 2017. See https://iacr.org/cryptodb/data/paper.php?pubkey=28232
Views: 1946 TheIACR

11:34
Learn more advanced front-end and full-stack development at: https://www.fullstackacademy.com Elliptic Curve Cryptography (ECC) is a type of public key cryptography that relies on the math of both elliptic curves as well as number theory. This technique can be used to create smaller, faster, and more efficient cryptographic keys. In this Elliptic Curve Cryptography tutorial, we build off of the Diffie-Hellman encryption scheme and show how we can change the Diffie-Hellman procedure with elliptic curve equations. Watch this video to learn: - The basics of Elliptic Curve Cryptography - Why Elliptic Curve Cryptography is an important trend - A comparison between Elliptic Curve Cryptography and the Diffie-Hellman Key Exchange

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A short video I put together that describes the basics of the Elliptic Curve Diffie-Hellman protocol for key exchanges.
Views: 123648 Robert Pierce

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In this video I explained Diffie Hellman Algorithm with solved Numerical problem. Video is about how two persons can exchange their secret key. Notes link : https://drive.google.com/file/d/1_T5PVcl5NfR_S9p9MEwD42cS2YqN97FJ/view?usp=drivesdk If you have any doubts then you can connect me via: Email : [email protected] Contact : 7030994979
Views: 10634 Exam Partner

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Views: 12951 William Sessions

01:20:47
For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com

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How modern encryption systems can share secret keys without transmitting them. This means that even when powerful government agencies, criminals, competitors, or ISPs listen in on absolutely everything you do, your information can still be kept private, even if you need to communicate with a total stranger and have never made any prior arrangements for privacy. This is absolutely the clearest, most comprehensive explanation of the Diffie Hellman key exchange protocol ever done in video. After you watch this, you will understand Diffie Hellman cryptographic key exchange better than 99.999% of the human population, and you won't need math beyond the 4th grade level! Find more on our web site: http://www.AskMisterWizard.com
Views: 12667 bbosen

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This video covers diffie hellman key exchange algorithm with examples and man in the middle attack with example.

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Views: 3429 Simple Snippets

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In this lecture series, you will be learning about cryptography basic concepts and examples related to it. Diffie hellman key exchange - Primitive root
Views: 715 Eezytutorials

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http://asecuritysite.com/encryption/ecdh2
Views: 2658 Bill Buchanan OBE

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Views: 866 Dr. Julian Hosp

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Just what are elliptic curves and why use a graph shape in cryptography? Dr Mike Pound explains. Mike's myriad Diffie-Hellman videos: https://www.youtube.com/playlist?list=PLzH6n4zXuckpoaxDKOOV26yhgoY2S-xYg https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com
Views: 181362 Computerphile

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Diffie Hellman Key Exchange explained using solved example. More videos coming upcoming stay tuned. Like Share and subscribe the channel. For free notes visit : https://drive.google.com/open?id=0B45NQkm1qd_3MTJ6UFpYSzlzcGxZS0NuRzRacjc5Vmw4NXF3
Views: 53 Dexter Labs

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Views: 2654 Ryan Riley

06:25
full course is paid visit website to buy full course www.lastmomenttuitions.com
Views: 97563 Last moment tuitions

07:40
A simple introduction to cryptography and Diffie Hellman key exchange algorithm explained in simple terms.
Views: 300 Karthik selvaraj

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Diffie-Hellman Key Exchange (part 2)
Views: 42383 Art of the Problem

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Views: 6057 Internetwork Security

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A talk given at the University of Waterloo on July 12th, 2016. The intended audience was mathematics students without necessarily any prior background in cryptography or elliptic curves. Apologies for the poor audio quality. Use subtitles if you can't hear.
Views: 2442 David Urbanik

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This video covers different formations of elliptic curve cryptography and how elliptic curve cryptography is applied to diffie helman key exchange. elliptic curve cryptography encryption and decryption

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Views: 5100 Telusko

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http://spirent.com Diffie Hellman Key Exchange and how it operates. Also a quick overview of AES and the basics of encryption.
Views: 59034 alantalkstech

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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: 521 Udacity

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ElGamal Security (Public key encryption from Diffie Hellman) To get certificate subscribe: https://www.coursera.org/learn/crypto ======================== Playlist URL: https://www.youtube.com/playlist?list=PL2jykFOD1AWYosqucluZghEVjUkopdD1e ======================== About this course: Cryptography is an indispensable tool for protecting information in computer systems. In this course you will learn the inner workings of cryptographic systems and how to correctly use them in real-world applications. The course begins with a detailed discussion of how two parties who have a shared secret key can communicate securely when a powerful adversary eavesdrops and tampers with traffic. We will examine many deployed protocols and analyze mistakes in existing systems. The second half of the course discusses public-key techniques that let two parties generate a shared secret key.
Views: 443 intrigano

01:01:44
Earlier this year, we discovered that Diffie-Hellman key exchange – cornerstone of modern cryptography – is less secure in practice than the security community believed. In this talk, we’ll explain how the NSA is likely exploiting this weakness to allow it to decrypt connections to at least 20% of HTTPS websites, 25% of SSH servers, and 66% of IPsec VPNs. J. Alex Halderman, Nadia Heninger
Views: 2304 media.ccc.de

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Produced to support Teaching Activity group project for COMP6046, MSc Web Science, Semester 1, 2013/14 - University of Southampton.
Views: 6180 zemediatube

29:16
Diffie-Hellman key exchange algorithm and simple example. Course material via: http://sandilands.info/sgordon/teaching
Views: 11269 Steven Gordon