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Quantum Cryptography Explained
 
08:13
This episode is brought to you by Squarespace: http://www.squarespace.com/physicsgirl With recent high-profile security decryption cases, encryption is more important than ever. Much of your browser usage and your smartphone data is encrypted. But what does that process actually entail? And when computers get smarter and faster due to advances in quantum physics, how will encryption keep up? http://physicsgirl.org/ ‪http://twitter.com/thephysicsgirl ‪http://facebook.com/thephysicsgirl ‪http://instagram.com/thephysicsgirl http://physicsgirl.org/ Help us translate our videos! http://www.youtube.com/timedtext_cs_panel?c=UC7DdEm33SyaTDtWYGO2CwdA&tab=2 Creator/Editor: Dianna Cowern Writer: Sophia Chen Animator: Kyle Norby Special thanks to Nathan Lysne Source: http://gva.noekeon.org/QCandSKD/QCand... http://physicsworld.com/cws/article/n... https://epic.org/crypto/export_contro... http://fas.org/irp/offdocs/eo_crypt_9... Music: APM and YouTube
Views: 263402 Physics Girl
Network Security - One Time Pad & Quantum Key Distribution
 
10:15
Fundamentals of Computer Network Security This specialization in intended for IT professionals, computer programmers, managers, IT security professionals who like to move up ladder, who are seeking to develop network system security skills. Through four courses, we will cover the Design and Analyze Secure Networked Systems, Develop Secure Programs with Basic Cryptography and Crypto API, Hacking and Patching Web Applications, Perform Penetration Testing, and Secure Networked Systems with Firewall and IDS, which will prepare you to perform tasks as Cyber Security Engineer, IT Security Analyst, and Cyber Security Analyst. course 2 Basic Cryptography and Programming with Crypto API: About this course: In this MOOC, we will learn the basic concepts and principles of cryptography, apply basic cryptoanalysis to decrypt messages encrypted with mono-alphabetic substitution cipher, and discuss the strongest encryption technique of the one-time-pad and related quantum key distribution systems. We will also learn the efficient symmetric key cryptography algorithms for encrypting data, discuss the DES and AES standards, study the criteria for selecting AES standard, present the block cipher operating modes and discuss how they can prevent and detect the block swapping attacks, and examine how to defend against replay attacks. We will learn the Diffie-Hellman Symmetric Key Exchange Protocol to generate a symmetric key for two parties to communicate over insecure channel. We will learn the modular arithmetic and the Euler Totient Theorem to appreciate the RSA Asymmetric Crypto Algorithm, and use OpenSSL utility to realize the basic operations of RSA Crypto Algorithm. Armed with these knowledge, we learn how to use PHP Crypto API to write secure programs for encrypting and decrypting documents and for signing and verify documents. We then apply these techniques to enhance the registration process of a web site which ensures the account created is actually requested by the owner of the email account. Module 1 - Basic Cryptography In this module we learn the basic concepts and principles of crytography, introduce the basic concept of cryptoanalysis using mono-alphabetic substitution cipher as an example, and discuss the one-time-pad and quantum key distribution concepts. Learning Objectives • Compose secure program with Crypto API for encryption, authentication, and integrity checking • Understand terminologies of basic cryptography • Understand Kerchhoff Principle • Apply cryptoanalysis techniques on mono-alphabetic ciphers • Explain why one time pad is strongest and understand how quantum key can be distributed
Views: 255 intrigano
Quantum Key Distribution: Provably Secure Encryption
 
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Hackers steal data constantly, so protecting it is an ongoing challenge. Today's information encryption technology has been compromised and will be obsolete in just a few years. Quantum Key Distribution (QKD) technology can be proven by the laws of physics to help secure the sensitive data we deliver—today and into the future.
Views: 20652 BattelleInnovations
Quantum Key Distribution Animation
 
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Animation by Mike Brodie
Introduction to quantum cryptography - Vadim Makarov
 
01:17:54
I introduce the basic principles of quantum cryptography, and discuss today's status of its technology, with examples of optical schemes and components. No prior knowledge of quantum mechanics is required :). This first lecture is about the basics of quantum cryptography. Lectures 2 and 3 cover quantum hacking: https://www.youtube.com/watch?v=2r7B8Zpxmcw https://www.youtube.com/watch?v=Sc_cJiLFQZ0 Presentation slides of the entire lecture course can be downloaded at: Power Point (95 MiB, with videos and animations) - http://www.vad1.com/lab/presentations/Makarov-20140801-IQC-short-course.pptx PDF (14.8 MiB, static images only) - http://www.vad1.com/lab/presentations/Makarov-20140801-IQC-short-course.pdf Vadim Makarov is a research assistant professor at the Institute for Quantum Computing, heading the Quantum hacking lab - http://www.vad1.com/lab/ This course was part of a lecture series hosted by CryptoWorks21 in August 2014 in Waterloo, Canada. Find out more about IQC! Website - https://uwaterloo.ca/institute-for-quantum-computing/ Facebook - https://www.facebook.com/QuantumIQC Twitter - https://twitter.com/QuantumIQC
Quantum Cryptography In Space
 
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I've had a lot of requests to cover the recent announcement that a Chinese research team has successfully delivered entangle photon pairs to locations separated 1000km. The press and speculation has been a little misleading so here's my explanation of how this works and what it means. This video is my second attempt - here' my original voiceover without graphics for those who are curious. https://www.youtube.com/watch?v=CfInxdjWRZA
Views: 47328 Scott Manley
Labcast #4: Quantum Key Distribution
 
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Toshiba is one of the world leaders in Quantum Cryptography and has been able to demonstrate the highest sustained bit rate for secure data communications. Toshibas new technique has sustained data rates of over 1megabit/sec, allowing for the first time the secure transmission of larger files such as audio and video. This episode contains an introduction to Toshibas research into Quantum Key Distribution and Quantum Cryptography. Dr Andrew Shields from the Toshiba Cambridge Research Lab, give's an introduction to the world of codes and ciphers by visiting historic Bletchley Park to look at codes of the past such as the Enigma and Lorentz Codes. The video also introduces Toshibas research in the field, with a demonstration of Quantum Encryption.
Views: 3083 leadinginnovation
Provably Secure Three-Party Authenticated Quantum Key Distribution Protocol
 
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Provably Secure Three-Party Authenticated Quantum Key Distribution Protocol Project Execution Presentation Layer: Windows Forms (WinForms) Business Logic Layer: C#.NET Data Access Layer: ADO.NET Database: SQL Server 2008
Views: 716 Avinash Varma
NIST Calls Development of Quantum Proof Encryption Algorithms
 
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#United States' National Institute of Standards and #Technology "With the public's participation," #NIST's Cryptographic Technology Group says in a blog post (https://goo.gl/DZRVhS), "NIST intends to spend the next few years gathering, testing and ultimately recommending new algorithms that would be less susceptible to a quantum computer's attack." The development of "new public-key cryptography standards will specify one or more additional unclassified, publicly disclosed digital signature, public-key encryption, and key establishment algorithms that are capable of protecting sensitive government information well into the foreseeable future, including after the advent of quantum computers," the agency says (https://goo.gl/8rnFmH). -------------------------------------- You can see the playlist: - Breaking news: https://goo.gl/wyqG6i - Life skills: https://goo.gl/UoRrct - SE Optimization: https://goo.gl/XDkc17 *Website: http://ictblogs.net/ *Facebook: http://facebook.com/vnwpages/ *Twitter: https://twitter.com/ictblogsnet
Views: 261 ICT Blog's
Quantum Key Review
 
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http://www.ubermanbook.com - Can the secrets of the Quantum Key really change your life? This is one of the most popular self improvement / mind power guides available anywhere. Check it out!
Views: 7988 J M
Vladyslav Usenko - Proof-of-principle test of continuous-variable quantum key distribution in...
 
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Contributed Talk 13 by Vladyslav Usenko at 5th International Conference on Quantum Cryptography (QCrypt 2015) in Hitotsubashi Hall, Tokyo, September 30th, 2015. Title: "Proof-of-principle test of continuous-variable quantum key distribution in free-space atmospheric channel." Download the slides at: http://2015.qcrypt.net/scientific-program/
Views: 246 QCrypt 2015
Quantum Hacking - Evan Meyer-Scott - QCSYS 2011
 
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IQC masters student lectures on the possibilities and concepts of hacking a QKD system.
How Does Quantum Key Distribution Work?
 
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Rectilinear (vertical and horizontal) diagonal (at 45 it seems that the initial diagram is correct. Sep 2014 'this licensing agreement with whitewood encryption systems, inc. But before getting to how it can be compromised, michael kassner calls on some experts explain quantum key distribution works 26 oct 2015 does not refer merely the limitations of a particular measurement technology holds for all possible measurements. Quantum key distribution works gcn. Quantum key distribution (qkd) is a secure communication method which implements cryptographic protocol involving components of quantum mechanics. Ntt can quantum key distribution improve smartphone and tablet security? . The photons are coded in binary ones and zeroes which then picked up by the receiving equipment. Aspx "imx0m" url? Q webcache. Even better security is delivered with a mathematically unbreakable form of encryption called one time pad, whereby data encrypted using truly random key the same eavesdropper does not send replacement state to bob replace what alice had transmitted, discrepancy present in shared will be such that groups helps students grasp basic concepts are necessary understand how quantum distribution works and why particular protocol secure or 9 aug 2017 (qkd) family protocols for growing private between two partiessince original keys independent secret strings, their bit wise parity just uniformly string, so announcement reveal any useful information potential 8 nov 2016 promises unconditional communication currently being deployed commercial applications. Implementation security of quantum key distribution. This ultimate security is an attractive feature, and companies organizations in several countries, including japan, are working on the deployment of networks for quantum key distribution application expert michael cobb explains how works, whether it a viable method improving smartphones tabletsrelated q&a. Is historic in that it takes our groundbreaking technical work was developed over if implemented on a wide scale, quantum key distribution technology could ensure truly secure commerce, banking, communications and data transfer 1 may 2012 cryptography is not infallible. Quantum key distribution is the ultimate cryptography in that it theoretically secure against any possible eavesdropping. It enables two parties to produce a shared random secret key known only them, which can then be used encrypt and decrypt messages 1 dec 2016 quantum distribution protocols that are commonly mentioned mostly in use today's implementations bb84 protocol sarg. These photons are encoded into quantum states 15 jan 2010. The key itself is the most secure and widely used methods to protect confidentiality integrity of data transmission are based on symmetric cryptography. Npj quantum the next stage in key distribution computer weeklypopular sciencewhat is (qkd)? Definition from techopedia. Quantum cryptography is integrated into an optical communication system by adding a qua
Views: 30 tell sparky
Provably Secure Three-Party Authenticated Quantum Key Distribution Protocols
 
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Projects9-more than 5000 projects if you want this project click on this link www.projects9.com
Views: 807 projectsnine
Brian LaMacchia: Post-Quantum Cryptography
 
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The final 2017 Annual FIRST Conference keynote: "Post-Quantum Cryptography" by Brian LaMacchia. Brian LaMacchia is Director of the Security & Cryptography group within Microsoft Research (MSR). In this department, his team conducts basic and applied research and advanced development. LaMacchia is also a founding member of the Microsoft Cryptography Review Board and consults on security and cryptography architectures, protocols and implementations across the company. Before moving into MSR in 2009, LaMacchia was the Architect for Cryptography in Windows Security, Development Lead for .NET Framework Security and Program Manager for core cryptography in Windows 2000. Prior to joining Microsoft, LaMacchia was a member of the Public Policy Research Group at AT&T Labs—Research. Read a writeup of his talk at https://www.first.org/blog/20170616-Brian_LaMacchia
Views: 451 FIRST
Johannes A. Buchmann - Post-Quantum Cryptography – an overview
 
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Tutorial Talk 4 by Johannes A. Buchmann at 5th International Conference on Quantum Cryptography (QCrypt 2015) in Hitotsubashi Hall, Tokyo, October 2nd, 2015. Download the slides at: http://2015.qcrypt.net/scientific-program/
Views: 3676 QCrypt 2015
Can Quantum Codes Really Be Unbreakable?
 
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Thanks to the laws of physics—specifically quantum entanglement—quantum cryptography promises to deliver unbreakable codes. Quantum physicist Artur Ekert explains how. Watch the full program here: https://youtu.be/HWb0y5gY590 Original Program Date: May 31, 2015 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: 18045 World Science Festival
Code for 'Unbreakable' Quantum Encryption
 
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The NIST quantum key distribution (QKD) system uses single photons, the smallest particles of light, in different orientations to produce a continuous binary code, or "key," for encrypting information. The rules of quantum mechanics ensure that anyone intercepting the key is detected, thus providing highly secure key exchange. The laboratory system produced this "raw" key at a rate of more than 4 million bits per second (4 million bps) over 1 kilometer (km) of optical fiber, twice the speed of NIST's previous record, reported just last month.** The system also worked successfully, although more slowly, over 4 km of fiber. more info http://www.nist.gov/public_affairs/releases/quantumfiber.htm captioned video avaliable
Views: 15131 nistyavi
Quantum Key Encryption - Quantum Key Encryption
 
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Views: 22 Holly Jackson
LIQUiD - Quantum Simulation QuickStart
 
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A quick start to the LIQUi|> Simulator by Dave Wecker
Views: 905 Microsoft Research
Practical Quantum Cryptography and Possible Attacks
 
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Google Tech Talks January, 24 2008 ABSTRACT Quantum cryptography is actually about secure distribution of an encryption key between two parties. In this talk I give an introduction to practical quantum cryptography. I will describe the technical details of a few implementations, how the security of the distributed key might be compromised, and what steps can be taken to prevent this. Speaker: Alexander Ling Alexander Ling is a graduate student with the Experimental Quantum Optics group in the Center for Quantum Technologies in Singapore. He has spent the last four years building sources of high-quality polarization-entangled photon-pairs. The entangled light is then used for various things like testing the validity of quantum mechanics and quantum key distribution. He hopes to complete his Ph.D. in 4 months.
Views: 17279 GoogleTechTalks
Quantum Cryptography School for Young Students
 
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The Quantum Cryptography School for Young Students (QCSYS) is a unique, eight-day enrichment program for students hosted by the Institute for Quantum Computing (IQC) at the University of Waterloo. Find out more about IQC! Website - https://uwaterloo.ca/institute-for-quantum-computing/ Facebook - https://www.facebook.com/QuantumIQC Twitter - https://twitter.com/QuantumIQC
The QCSYS Experience: Quantum Cryptography Summer School at IQC
 
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Students describe their experiences at QCSYS 2011 — the Quantum Cryptography School for Young Students, at the University of Waterloo's Institute for Quantum Computing. An international group of high school students got a hands-on education about the cutting-edge field of quantum cryptography, learning from renowned experts in the field at IQC. For information on how you can be part of QCSYS 2012, visit: http://iqc.uwaterloo.ca/conferences/qcsys2012/qcsys-home More info: iqc.uwaterloo.ca Twitter: @QuantumIQC www.facebook.com/QuantumIQC Blog: quantumfactory.wordpress.com
HAR 2009: How we eavesdropped 100% of a quantum cryptographic key 1/6
 
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Clip 1/6 Speakers: Ilja Gerhardt, Vadim Makarov Quantum cryptography, as being based on the laws of physics, was claimed to be much more secure than all classical cryptography schemes. (Un)fortunately physical hardware is not beyond of an evil control: We present a successful attack of an existing quantum key distribution system exploiting a photon detector vulnerability which is probably present in all existing devices. Without Alice and Bob losing their faith in their secure communication, we recorded 100% of the supposedly secret key. The actual eavesdropping hardware we have built will be shown during the conference. A brief intro into quantum cryptography will be given at the beginning of the talk. Then, Vadim Makarov will explain the above attack. At the end of the talk, Ilja Gerhardt will (hopefully) present another application of the discovered detector vulnerability, which shall remain a surprise :) For more information go to: https://har2009.org/program/events/168.en.html
Views: 6584 Christiaan008
Can We Speak... Privately? Quantum Cryptography Lecture by Chip Elliott
 
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Chip Elliott of Raytheon BBN Technologies, gave a talk titled "Can we Speak... Privately? Quantum Cryptography in a Broader Context" as part of the Quantum Frontiers Distinguished Lecture Series on June 21, 2012. This talk is presented by the Institute for Quantum Computing and the University of Waterloo's Department of Physics and Astronomy. Abstract: It's often useful to have a private conversation within a public world. What role can quantum cryptography play in keeping conversations private? Sometimes described as providing "unconditional security guaranteed by the laws of quantum physics," its security implications are both tantalizing and surprisingly elusive. This talk introduces quantum cryptography and describes the speaker's experience creating several types of quantum cryptography equipment, within the broader context of mainstream cryptography and secure communications. Biography: Chip Elliott is Project Director for GENI, a suite of experimental infrastructure being created by the National Science Foundation for research in network science and engineering. He is a Fellow of the AAAS and IEEE, and an active inventor with over 80 issued patents. Dr. Elliott has served on many national panels and has held visiting faculty positions at Dartmouth College, Tunghai University in Taiwan, and the Indian Institute of Technology, Kanpur. For More: http://iqc.uwaterloo.ca http://www.facebook.com/QuantumIQC http://www.twitter.com/QuantumIQC QuantumFactory Blog: http://quantumfactory.wordpress.com
Romain Alléaume - An hybrid security model for quantum cryptography allowing to design practical ...
 
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Hot Topic Talk 3 by Romain Alléaume at 5th International Conference on Quantum Cryptography (QCrypt 2015) in Hitotsubashi Hall, Tokyo, October 2nd, 2015. Title: "A hybrid security model for quantum cryptography allowing to design practical schemes for long-distance key distribution with everlasting security." Download the slides at: http://2015.qcrypt.net/scientific-program/
Views: 322 QCrypt 2015
IEEE 2014 Full security of quantum key distribution from no signaling constraints
 
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Full security of quantum key distribution from no-signaling constraints
Views: 54 WingzTechnolo gies
Trojan horse attacks threaten the security of practical quantum cryptography
 
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Video abstract for the article ‘Trojan-horse attacks threaten the security of practical quantum cryptography‘ by Nitin Jain, Elena Anisimova, Imran Khan, Vadim Makarov, Christoph Marquardt and Gerd Leuchs (Nitin Jain et al 2014 New J. Phys. 16 123030). Read the full article in New Journal of Physics http://iopscience.iop.org/1367-2630/16/12/123030
Views: 220 NewJournalofPhysics
Quantum cryptography demonstration
 
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Researchers at the University of Calgary and SAIT Polytechnic demonstrate sending information between the two institutions using unbreakable codes derived using quantum physics. This is a significant milestone in Canada and paves the way for commercial applications for producing highly secure information networks.
Views: 8925 UofCVideos
Google Brain Team Lets AI Develop Their Own Encryption
 
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The Google Brain team, a wing of Google working on developing neural network and artificial intelligence technologies, are experimenting with having their neural networks, named Alice, Bob and Eve, develop encryption. The task the Google Brain team set was for Alice to create a simple form of encryption and work with Bob to agree a set of numbers known as a key. Using this key, Bob can read the encrypted messages Alice sent. Meanwhile Eve intercepts the messages and attempts to decipher them. The important thing to remember about neural nets is they continue to learn and adapt, just like us humans do. So while initially the secret message passing didn’t go so well, Alice adapted and got better. Eve was unable to decipher the messages beyond what classes as pure chance. This technology could put digital security in the hands of AI in the future, completely foiling the efforts of hackers to decrypt. http://www.geek.com/tech/googles-alice-ai-is-sending-secret-messages-to-another-ai-1677220/?source http://www.wochit.com This video was produced by YT Wochit Tech using http://wochit.com
Views: 5064 Wochit Tech
Easy introduction to quantum cryptography by SK Telecom, Korea
 
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SK Telecom is developing Qauntum Cryptography Technologies. This video introduces the concepts of quantum key distribution and quantum cryptography using easy words.
Views: 123 Jeong-sik Cho
HAR 2009: How to use quantum cryptography for secure identification 2/6
 
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Clip2 Speaker: Stephanie Wehner Making the most of noise The goal of secure identification is to enable a user, Alice, to identify herself to Bob without revealing her password. Unfortunately, like many other interesting cryptographic problems involving two parties, this is impossible to achieve without making assumptions. For example, we could assume that factoring a large number is difficult. However it is not known whether this assumption is correct. For more information go to: https://har2009.org/program/events/153.en.html
Views: 305 Christiaan008
HAR 2009: How we eavesdropped 100% of a quantum cryptographic key 3/6
 
09:01
Clip 3/6 Speakers: Ilja Gerhardt, Vadim Makarov Quantum cryptography, as being based on the laws of physics, was claimed to be much more secure than all classical cryptography schemes. (Un)fortunately physical hardware is not beyond of an evil control: We present a successful attack of an existing quantum key distribution system exploiting a photon detector vulnerability which is probably present in all existing devices. Without Alice and Bob losing their faith in their secure communication, we recorded 100% of the supposedly secret key. The actual eavesdropping hardware we have built will be shown during the conference. A brief intro into quantum cryptography will be given at the beginning of the talk. Then, Vadim Makarov will explain the above attack. At the end of the talk, Ilja Gerhardt will (hopefully) present another application of the discovered detector vulnerability, which shall remain a surprise :) For more information go to: https://har2009.org/program/events/168.en.html
Views: 1134 Christiaan008
HAR 2009: How we eavesdropped 100% of a quantum cryptographic key 4/6
 
09:01
Clip 4/6 Speakers: Ilja Gerhardt, Vadim Makarov Quantum cryptography, as being based on the laws of physics, was claimed to be much more secure than all classical cryptography schemes. (Un)fortunately physical hardware is not beyond of an evil control: We present a successful attack of an existing quantum key distribution system exploiting a photon detector vulnerability which is probably present in all existing devices. Without Alice and Bob losing their faith in their secure communication, we recorded 100% of the supposedly secret key. The actual eavesdropping hardware we have built will be shown during the conference. A brief intro into quantum cryptography will be given at the beginning of the talk. Then, Vadim Makarov will explain the above attack. At the end of the talk, Ilja Gerhardt will (hopefully) present another application of the discovered detector vulnerability, which shall remain a surprise :) For more information go to: https://har2009.org/program/events/168.en.html
Views: 911 Christiaan008
QUANTUM ENCRYPTION FOR INTERNET SECURITY
 
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Here I have explained about how eavesdropper are getting caught when they are observing secret information about sender and receiver. keep loving, keep learning, keep laughing Subscribe: https://goo.gl/oo3fKN Twitter: https://twitter.com/NITianTechTalk Facebook: https://www.facebook.com/NITianTechTalk like, share and subscribe ! Learn: 1. what is hacking ? - https://youtu.be/3tGGahMFDig 2. hacker's view of antivirus - https://youtu.be/3tGGahMFDig MUSIC CREDIT : CARTOON - ON & ON Music provided by NoCopyrightSounds. Video Link: https://youtu.be/TW9d8vYrVFQ Download Link: https://NCS.lnk.to/SkyHigh Song : CARTOON - ON & ON (Cartoon and Daniel Levi) ? Follow Cartoon SoundCloud https://soundcloud.com/cartoonbaboon Facebook https://www.facebook.com/cartoondband ? Follow Daniel Levi (vocalist) Facebook http://facebook.com/daniellevimusic Website http://daniellevi.e MUSIC CREDIT : NCS Music provided by NoCopyrightSounds. Glude - Breathe [NCS Release] youtube track link - https://www.youtube.com/watch?v=ulPvZFgoGYk Download this track for FREE: https://www.hive.co/l/oyf7 Follow Glud: • https://soundcloud.com/the-glude • https://www.facebook.com/officialglude Énkripsi kuantum pikeun kaamanan internét Usajili wa Wingi kwa usalama wa mtandao Kvantové šifrovanie pre zabezpečenie internetu इन्टरनेट सुरक्षाको लागि क्वांटम इन्क्रिप्सन การเข้ารหัสควอนตัมเพื่อความปลอดภัยทางอินเทอร์เน็ต Mã hóa lượng tử cho an ninh internet Квантове шифрування для безпеки в Інтернеті Quantum Encryption airson tèarainteachd eadar-lìn Интернет коопсуздугу үчүн Quantum эсе Квантно шифровање за интернетску сигурност Kvantu šifrēšana interneta drošībai Atunṣiparọ Ipolowo fun aabo ayelujara Penitus securitas quantum ad Encryption Квантовое шифрование для интернет-безопасности Ji bo ewlekariya înternetê Квантна енкрипција за интернет безбедност ਇੰਟਰਨੈਟ ਸੁਰੱਖਿਆ ਲਈ ਕੁਇੰਟਮ ਏਨਕ੍ਰਿਪਸ਼ਨ Kvantkryptering för internet säkerhet Kvantumkryptering for internett sikkerhet Kvantinė šifravimas interneto saugumui Kvantno šifriranje za internetno varnost Criptografia Quantum para segurança na Internet Enkripsi Kuantum kanggo keamanan internet Amgryptio Quantum ar gyfer diogelwch rhyngrwyd Whakamutu Whakamuri mo te haumarutanga ipurangi Cifrado cuántico para la seguridad de internet အင်တာနက်လုံခြုံရေး quantum Encryption Ukubethelwa kwe-Quantum yokuphepha kwe-intanethi İnternet güvenliği için Kuantum Şifreleme Crittografia quantistica per la sicurezza di Internet Enkripsi Quantum untuk keamanan internet Enkripsi Kuantum untuk keselamatan internet הצפנה קוונטית לאבטחת האינטרנט კვანტური შიფრაცია ინტერნეტის უსაფრთხოებისთვის Quantum Encryption für Internetsicherheit Chiffrement Quantum pour la sécurité Internet Kvanttitekniikka Internet-turvallisuudelle Quantum Encryption para sa seguridad sa internet Quantum-codering voor internetbeveiliging Kvantové šifrování pro zabezpečení internetu Kvantumkryptering til internet sikkerhed Encryption kuantike për sigurinë e internetit Kwantum enkripsie vir internet sekuriteit تشفير الكم لأمن الإنترنت انٽرنيٽ سيڪيورٽي لاء ڪيميم ايڪريشن ఇంటర్నెట్ భద్రత కోసం క్వాంటం ఎన్క్రిప్షన్
Views: 89 NITian Tech Talk
HAR 2009: How we eavesdropped 100% of a quantum cryptographic key 2/6
 
09:01
Clip 2/6 Speakers: Ilja Gerhardt, Vadim Makarov Quantum cryptography, as being based on the laws of physics, was claimed to be much more secure than all classical cryptography schemes. (Un)fortunately physical hardware is not beyond of an evil control: We present a successful attack of an existing quantum key distribution system exploiting a photon detector vulnerability which is probably present in all existing devices. Without Alice and Bob losing their faith in their secure communication, we recorded 100% of the supposedly secret key. The actual eavesdropping hardware we have built will be shown during the conference. A brief intro into quantum cryptography will be given at the beginning of the talk. Then, Vadim Makarov will explain the above attack. At the end of the talk, Ilja Gerhardt will (hopefully) present another application of the discovered detector vulnerability, which shall remain a surprise :) For more information go to: https://har2009.org/program/events/168.en.html
Views: 1844 Christiaan008
Fang Song - A Note on Quantum Security for Post-Quantum Cryptography
 
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IQC member Fang Song presented a talk titled: A Note on Quantum Security for Post-Quantum Cryptography at the 2014 PQCrypto conference in October, 2014. Abstract: Shor's quantum factoring algorithm and a few other efficient quantum algorithms break many classical crypto-systems. In response, people proposed post-quantum cryptography based on computational problems that are believed hard even for quantum computers. However, security of these schemes against quantum attacks is elusive. This is because existing security analysis (almost) only deals with classical attackers and arguing security in the presence of quantum adversaries is challenging due to unique quantum features such as no-cloning. This work proposes a general framework to study which classical security proofs can be restored in the quantum setting. Basically, we split a security proof into (a sequence of) classical security reductions, and investigate what security reductions are "quantum-friendly". We characterize sufficient conditions such that a classical reductions can be "lifted" to the quantum setting. We then apply our lifting theorems to post-quantum signature schemes. We are able to show that the classical generic construction of hash-tree based signatures from one-way functions that are resistant to efficient quantum inversion algorithms, there exists a quantum-secure signature scheme. We note that the scheme in [10] is a promising (post-quantum) candidate to be implemented in practice and our result further justifies it. Actually, to obtain these results, we formalize a simple criteria, which is motivated by many classical proofs in the literature and is straight-forward to check. This makes our lifting theorem easier to apply, and it should be useful elsewhere to prove quantum security of proposed post-quantum cryptographic schemes. Finally we demonstrate the generality of our framework by showing that several existing works (Full-Domain hash in the quantum random-oracle model [47] and the simple hybrid arguments framework in [23]) can be reformulated under our unified framework. PQCrypto 2014 Book: http://www.springer.com/computer/security+and+cryptology/book/978-3-319-11658-7 Workshop: https://pqcrypto2014.uwaterloo.ca/ Find out more about IQC! Website - https://uwaterloo.ca/institute-for-qu... Facebook - https://www.facebook.com/QuantumIQC Twitter - https://twitter.com/QuantumIQC
10.Anna Pappa - Experimental plug and play quantum coin flipping
 
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Download this video: http://media.vad1.com/qcrypt2014/1_10_Anna_Pappa.mp4 Download the slides: http://2014.qcrypt.net/wp-content/uploads/Pappa.pdf
Views: 548 QCrypt 2014
HAR 2009: How we eavesdropped 100% of a quantum cryptographic key 5/6
 
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Clip 5/6 Speakers: Ilja Gerhardt, Vadim Makarov Quantum cryptography, as being based on the laws of physics, was claimed to be much more secure than all classical cryptography schemes. (Un)fortunately physical hardware is not beyond of an evil control: We present a successful attack of an existing quantum key distribution system exploiting a photon detector vulnerability which is probably present in all existing devices. Without Alice and Bob losing their faith in their secure communication, we recorded 100% of the supposedly secret key. The actual eavesdropping hardware we have built will be shown during the conference. A brief intro into quantum cryptography will be given at the beginning of the talk. Then, Vadim Makarov will explain the above attack. At the end of the talk, Ilja Gerhardt will (hopefully) present another application of the discovered detector vulnerability, which shall remain a surprise :) For more information go to: https://har2009.org/program/events/168.en.html
Views: 945 Christiaan008
HAR 2009: How we eavesdropped 100% of a quantum cryptographic key 6/6
 
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Clip 6/6 Speakers: Ilja Gerhardt, Vadim Makarov Quantum cryptography, as being based on the laws of physics, was claimed to be much more secure than all classical cryptography schemes. (Un)fortunately physical hardware is not beyond of an evil control: We present a successful attack of an existing quantum key distribution system exploiting a photon detector vulnerability which is probably present in all existing devices. Without Alice and Bob losing their faith in their secure communication, we recorded 100% of the supposedly secret key. The actual eavesdropping hardware we have built will be shown during the conference. A brief intro into quantum cryptography will be given at the beginning of the talk. Then, Vadim Makarov will explain the above attack. At the end of the talk, Ilja Gerhardt will (hopefully) present another application of the discovered detector vulnerability, which shall remain a surprise :) For more information go to: https://har2009.org/program/events/168.en.html
Views: 695 Christiaan008
Hua Chen - Proof-of-principle demonstration of modified Ping-Pong protocol on telecom fiber
 
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Contributed Talk 11 by Hua Chen at 5th International Conference on Quantum Cryptography (QCrypt 2015) in Hitotsubashi Hall, Tokyo, September 29th, 2015. Download the slides at: http://2015.qcrypt.net/scientific-program/
Views: 74 QCrypt 2015
Quantum Cryptography PPT
 
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Visit http://seminarlinks.blogspot.in to Download Quantum cryptography promises to revolutionize secure communication by providing security based on the fundamental laws of physics, instead of the current state of mathematical algorithms or computing technology.
Views: 3366 Topics For Seminar
HAR 2009: How to use quantum cryptography for secure identification 1/6
 
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Clip1 Speaker: Stephanie Wehner Making the most of noise The goal of secure identification is to enable a user, Alice, to identify herself to Bob without revealing her password. Unfortunately, like many other interesting cryptographic problems involving two parties, this is impossible to achieve without making assumptions. For example, we could assume that factoring a large number is difficult. However it is not known whether this assumption is correct. For more information go to: https://har2009.org/program/events/153.en.html
Views: 946 Christiaan008
Imran Khan protocol in Lahore today
 
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Views: 2176 Pti Media Cell
Animated Video For Data Encryption Service Provider | VPN Secure
 
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Animated video produced by https://b2w.tv for VPN Secure, an online data encryption service provider. It introduces their service of encrypting personal online data to the servers located across the world. For a similar video contact us: [email protected]
Views: 2074 Broadcast2World
LANL QKD Demonstration in TCIPG Lab
 
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Demonstrating Quantum Key Distribution applied to the electric power grid utilizing the TCIPG testbed. Trustworthy Cyber Infrastructure for the Power Grid (TCIPG), http://tcipg.org
Views: 68 tcipgvideo

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