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Lecture 17: Elliptic Curve Cryptography (ECC) by Christof Paar
 
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For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com
The Cryptography Behind Bitcoin
 
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We recorded a presentation we gave to our class on the Cryptography Behind Bitcoin and shared it with you all!
Views: 18990 CSBreakdown
NETWORK SECURITY- AES (ADVANCED ENCRYPTION STANDARD) Algorithm
 
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AES algorithm is the Block Cipher Symmetric Algorithm Block Size is 128 bits Key Size is 128 bits ( 4 words or 16 Bytes ) Sub Key Size is 1 Word (32 bit) Number of Sub keys 44 Words Number of Rounds 10 Cipher Text Size is 128 bits
CAST Algorithm; 1 of 3
 
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Views: 3285 christamcc
Digital Signatures
 
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CCIE Security v5 Technologies :: Cryptography & PKI This course is part of our CCIE Security v5 Technology series. It focuses on some fundamental concepts of Cryptography, such as Encryption, Hashing or Digital Signatures. It also discusses different topics and technologies related to Public Key Infrastructure (PKI), including examples of PKI implementation on Cisco IOS and the ASA. Sign up for an All Access Pass to view the entire course! https://streaming.ine.com/c/ine-ccie-scv5-cryptography
Views: 900 INEtraining
The future of encryption
 
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With so much of our information now stored or processed in the cloud, how can we make sure it’s safe from unauthorized access? The National Science Foundation is funding researchers looking for answers to cyber-security challenges and exploring the future of encryption. The goal is that, one day, we will be able to ensure the security of important information wherever it may be: on our computers, mobile devices, and even in the cloud.
Email Encryption & Digital signature presentation
 
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-- Created using PowToon -- Free sign up at http://www.powtoon.com/join -- Create animated videos and animated presentations for free. PowToon is a free tool that allows you to develop cool animated clips and animated presentations for your website, office meeting, sales pitch, nonprofit fundraiser, product launch, video resume, or anything else you could use an animated explainer video. PowToon's animation templates help you create animated presentations and animated explainer videos from scratch. Anyone can produce awesome animations quickly with PowToon, without the cost or hassle other professional animation services require.
Views: 2848 Abdulrhmannnn Awadh
Blockchain tutorial 4: Cryptography, encrypt, decrypt
 
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This is part 4 of the Blockchain tutorial explaining what cryptograhy is and also what encrypt and decrypt means. In this video series different topics will be explained which will help you to understand blockchain. Bitcoin released as open source software in 2009 is a cryptocurrency invented by Satoshi Nakamoto (unidentified person or group of persons). After the introduction of Bitcoin many Bitcoin alternatives were created. These alternate cryptocurrencies are called Altcoins (Litecoin, Dodgecoin etc). Bitcoin's underlying technology is called Blockchain. The Blockchain is a distributed decentralized incorruptible database (ledger) that records blocks of digital information. Each block contains a timestamp and a link to a previous block. Soon people realises that there many other use cases where the Blockchain technology can be applied and not just as a cryptocurrency application. New Blockchain platforms were created based on the Blockchain technology, one of which is called Ethereum. Ethereum focuses on running programming code, called smart contracts, on any decentralized application. Using the new Blockchain platforms, Blockchain technology can be used in supply chain management, healthcare, real estate, identity management, voting, internet of things, etcetera, just to name a few. Today there is a growing interest in Blockchain not only in the financial sector but also in other sectors. Explaining how Blockchain works is not easy and for many the Blockchain technology remains an elusive concept. This video series tries to explain Blockchain to a large audience but from the bottom up. Keywords often used in Blockchain conversation will be explained. Each Blockchain video is short and to the point. It is recommended to watch each video sequentially as I may refer to certain Blockchain topics explained earlier. Check out all my other Blockchain tutorial videos https://goo.gl/aMTFHU Subscribe to my YouTube channel https://goo.gl/61NFzK The presentation used in this video tutorial can be found at: http://www.mobilefish.com/developer/blockchain/blockchain_quickguide_tutorial.html #mobilefish #blockchain #bitcoin #cryptocurrency #ethereum
Views: 34202 Mobilefish.com
Homomorphic Encryption
 
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http://asecuritysite.com/encryption/pal https://asecuritysite.com/encryption/homomorphic https://asecuritysite.com/encryption/h_rsa
Views: 1229 Bill Buchanan OBE
Chris Peikert - Lattice Cryptography for the Internet
 
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Chris Peikert of Georgia Institute of Technology presented a talk titled: Lattice cryptography for the internet at the 2014 PQCrypto conference in October, 2014. Abstract: In recent years, lattice-based cryptography has been recognized for its many attractive properties, such as strong provable security guarantees and apparent resistance to quantum attacks, flexibility for realizing powerful tools like fully homomorphic encryption, and high asymptotic efficiency. Indeed, several works have demonstrated that for basic tasks like encryption and authentication, lattice-based primitives can have performance competitive with (or even surpassing) those based on classical mechanisms like RSA or Diffie-Hellman. However, there still has been relatively little work on developing lattice cryptography for deployment in real-world cryptosystems and protocols. In this work, we take a step toward that goal, by giving efficient and practical lattice-based protocols for key transport, encryption, and authenticated key exchange that are suitable as "drop-in" components for proposed Internet standards and other open protocols. The security of all our proposals is provable based (sometimes in the random-oracle model) on the well-studied "leaning with errors over rings" problem, and hence on the conjectured worst-case hardness of problems on ideal lattices (against quantum algorithms). One of our main technical innovations (which may be of independent interest) is a simple, low-bandwidth reconciliation technique that allows two parties who "approximately agree" on a secret value to reach exact agreement, a setting common to essentially all lattice-bases encryption schemes. Our technique reduces the ciphertext length of prior (already compact) encryption schemes nearly twofold, at essentially no cost. 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
Introduction to Digital Signature | Public Key cryptography
 
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This video lecture is produced by S. Saurabh. He is B.Tech from IIT and MS from USA. Introduction to Digital Signature | Public Key cryptography To study interview questions on Linked List watch http://www.youtube.com/playlist?list=PL3D11462114F778D7&feature=view_all To prepare for programming Interview Questions on Binary Trees http://www.youtube.com/playlist?list=PLC3855D81E15BC990&feature=view_all To study programming Interview questions on Stack, Queues, Arrays visit http://www.youtube.com/playlist?list=PL65BCEDD6788C3F27&feature=view_all To watch all Programming Interview Questions visit http://www.youtube.com/playlist?list=PLD629C50E1A85BF84&feature=view_all To learn about Pointers in C visit http://www.youtube.com/playlist?list=PLC68607ACFA43C084&feature=view_all To learn C programming from IITian S.Saurabh visit http://www.youtube.com/playlist?list=PL3C47C530C457BACD&feature=view_all
Views: 35038 saurabhschool
NETWORK SECURITY - HMAC ALGORITHM
 
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www.youtube.com/c/sundeepsaradhi
Lecture 13: Diffie-Hellman Key Exchange and the Discrete Log Problem by Christof Paar
 
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For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com
Final Year Projects 2015 |  Image Encryption using parallel RSA algorithm
 
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Including Packages ======================= * Base Paper * Complete Source Code * Complete Documentation * Complete Presentation Slides * Flow Diagram * Database File * Screenshots * Execution Procedure * Readme File * Addons * Video Tutorials * Supporting Softwares Specialization ======================= * 24/7 Support * Ticketing System * Voice Conference * Video On Demand * * Remote Connectivity * * Code Customization ** * Document Customization ** * Live Chat Support * Toll Free Support * Call Us:+91 967-778-1155 Visit Our Channel: http://www.youtube.com/clickmyproject Mail Us: [email protected]
Views: 2652 myproject bazaar
26 Jan 2015, Cryptographic Computation Systems by Raluca Ada Popa
 
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Talk summary: Theft of confidential data is prevalent. In most applications, confidential data is stored at servers. Thus, existing systems naturally try to prevent adversaries from compromising these servers. However, experience has shown that adversaries still find a way to break in and steal the data. In this talk, Popa, R. A. describes a new approach to protect data confidentiality even when attackers get access to all server data: building practical systems that compute on encrypted data without access to the decryption key. In this setting, she designed and built a database system (CryptDB), a web application platform (Mylar), and two mobile systems, as well as developed new cryptographic schemes for them. Popa, R. A. showed that these systems support a wide range of applications with low overhead. This talk focuses primarily on Mylar with a glimpse to upcoming work how to aid with an end-to-end solution for securing the Internet-of things. Bio: Raluca Ada Popa completed her Ph.D. at MIT and is starting as an assistant professor of computer science at UC Berkeley. She is interested in security, systems, and applied cryptography. Raluca developed practical systems (such as CryptDB and Mylar) that protect data confidentiality by computing over encrypted data, as well as designed new encryption schemes that underlie these systems. Some of her work has had early impact, with Google applying CryptDB’s design to their SQL-like BigQuery service and Boston’s Newton-Wellesley hospital using Mylar to secure their medical application. Raluca is the recipient of a George Sprowls award for best CS Ph.D. thesis at MIT, Google PhD Fellowship, Johnson award for best CS Masters of Engineering thesis from MIT, and CRA Outstanding undergraduate award from the ACM.
Lecture 6: Data Encryption Standard (DES): Key Schedule and Decryption by Christof Paar
 
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For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com
Asymmetric encryption - Simply explained
 
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How does public-key cryptography work? What is a private key and a public key? Why is asymmetric encryption different from symmetric encryption? I'll explain all of these in plain English! 🐦 Follow me on Twitter: https://twitter.com/savjee ✏️ Check out my blog: https://www.savjee.be 👍🏻 Like my Facebook page: https://www.facebook.com/savjee
INTRODUCTION TO CRYPTOGRAPHY IN HINDI
 
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find relevant notes at-https://viden.io/
Views: 57544 LearnEveryone
3rd BIU Winter School on Cryptography: Non-interactive Zero Knowledge - Jens Groth
 
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The 3rd Bar-Ilan Winter School on Cryptography: Bilinear Pairings in Cryptography, which was held between February 4th - 7th, 2013. The event's program: http://crypto.biu.ac.il/winterschool2013/schedule2013.pdf For All 2013 Winter school Lectures: http://www.youtube.com/playlist?list=PLXF_IJaFk-9C4p3b2tK7H9a9axOm3EtjA&feature=mh_lolz Dept. of Computer Science: http://www.cs.biu.ac.il/ Bar-Ilan University: http://www1.biu.ac.il/indexE.php
Views: 2528 barilanuniversity
Information & Network Security Lecture --  AES (Eng-Hindi)
 
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-~-~~-~~~-~~-~- Please watch: "PL vs FOL | Artificial Intelligence | (Eng-Hindi) | #3" https://www.youtube.com/watch?v=GS3HKR6CV8E -~-~~-~~~-~~-~-
Views: 91731 Well Academy
What is public-key cryptography?
 
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The presentation portion only, as seen in my other video, http://youtu.be/ejppVhOSUmA?hd=1
Views: 1435 xkiller213
Elgamal Encryption Scheme
 
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Views: 6372 Kiran Kuppa
Hybrid Algorithm for secure data over Cloud OS
 
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Sharing resources in a cost effective way between large companies makes cloud computing more popular day after day. It is an advanced platform for the users to access computing services any- time and from anywhere. This is the only service which integrates,optimizes and provides computing jobs by the way of renting resources and services. The higher the demand more the growing threat of security becoming an issue. One such issue is to regards of protecting the data transferred between different people and organizations. The Advanced Encryption Standard and the Rivest-Shamir-Adleman (RSA) algorithms are the most used and popular encryption methods that are reliable when it comes to confidentiality and authenticity. We a trying to implement a hybrid algorithm which is 100-1000 times faster than the normal standard keys used in the present day in an organization running Cloud Services with the use of eyeOS in their company.
Views: 939 Avinash pasupuleti
Discussion on The Birthday Attack
 
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This is a discussion video on the birthday attack, the birthday paradox and the maths around the attack using MD5. All Links and Slides will be in the description. Subscribe for more cool stuff! Slides & files - http://www.mediafire.com/view/vdbpbrabj6j50x2/BirthdayAttack.pptx Python - http://python.org/ Ubuntu - http://www.ubuntu.com/ If you like what you see be sure to subscribe and thumbs up!
Views: 25572 DrapsTV
Final Year Projects | Visual Cryptography for Biometric Privacy
 
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Final Year Projects | Visual Cryptography for Biometric Privacy More Details: Visit http://clickmyproject.com/a-secure-erasure-codebased-cloud-storage-system-with-secure-data-forwarding-p-128.html Including Packages ======================= * Complete Source Code * Complete Documentation * Complete Presentation Slides * Flow Diagram * Database File * Screenshots * Execution Procedure * Readme File * Addons * Video Tutorials * Supporting Softwares Specialization ======================= * 24/7 Support * Ticketing System * Voice Conference * Video On Demand * * Remote Connectivity * * Code Customization ** * Document Customization ** * Live Chat Support * Toll Free Support * Call Us:+91 967-774-8277, +91 967-775-1577, +91 958-553-3547 Shop Now @ http://clickmyproject.com Get Discount @ https://goo.gl/lGybbe Chat Now @ http://goo.gl/snglrO Visit Our Channel: http://www.youtube.com/clickmyproject Mail Us: [email protected]
Views: 12443 Clickmyproject
Fully Homomorphic Encryption
 
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Zvika Brakerski, Weizmann Institute The Mathematics of Modern Cryptography http://simons.berkeley.edu/talks/wichs-brakerski-2015-07-06
Views: 11155 Simons Institute
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: 3414 Topics For Seminar
Introduction to quantum cryptography - Vadim Makarov
 
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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
Digital Signatures: Part 1
 
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Fundamental concepts of Digital Signatures are discussed. ElGamal and Schnorr Digital Signature schemes are analyzed. Digital signature standard is presented.
Views: 3780 Scholartica Channel
Mobile Network Encryption Study Presentation
 
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CNS course project poster presentation: Mobile Network Encryption Study.
Views: 102 Roshni Iyer
Jintai Ding - ZHFE, a New Multivariate Public Key Encryption Scheme
 
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Jintai Ding of the University of Cincinnati and the Chinese Academy of Sciences presented a talk titled: ZHFE, a new multivariate public key encryption scheme at the 2014 PQCrypto conference in October, 2014. Abstract: In this paper we propose a new multivariate public key encryption scheme named ZHFE. The public key is constructed using as core map two high rank HFE polynomials. The inversion of the public key is performed using a low degree polynomial of Hamming weight three. This low degree polynomial is obtained from the two high rank HFE polynomials, by means of a special reduction method that uses HFE polynomials. We show that ZHFE is relatively efficient and the it is secure against the main attacks that have threatened the security of HFE. We also propose parameters for a practical implementation of ZHFE. 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
Quantum cryptography: basics and technology with Vadim Makarov
 
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This is a basic introduction into quantum key distribution technology, accessible to undergraduate students and above. The lecture explains society's need for this technology, how quantum cryptography works, shows today's commercial and research hardware, and touches on the question of hacking attacks against it. Download presentation slides: PowerPoint (63 MiB, with videos and animations) http://www.vad1.com/lab/presentations/Makarov-20140930-UWaterloo-phys10-undergrad-seminar.pptx PDF (6.8 MiB, static images only) http://www.vad1.com/lab/presentations/Makarov-20140930-UWaterloo-phys10-undergrad-seminar.pdf This lecture was given at University of Waterloo undergraduate physics seminar (Phys10) on September 30th, 2014. If you are more interested in quantum cryptography technology and have more time, consider watching a longer lecture series by Vadim Makarov: https://www.youtube.com/watch?v=ToOLbdrWst4 Find out more about IQC! Website - https://uwaterloo.ca/institute-for-quantum-computing/ Facebook - https://www.facebook.com/QuantumIQC Twitter - https://twitter.com/QuantumIQC
Google Chrome is experimenting with Post-Quantum Cryptography
 
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Quantum computers are a fundamentally different sort of computer that take advantage of aspects of quantum physics to solve certain sorts of problems dramatically faster than conventional computers can. While the Quantum Computers will be very useful in various ways, they can create problems in some ways. Specifically, if large quantum computers can be built then they may be able to break the asymmetric cryptographic primitives that are currently used in TLS, the security protocol behind HTTPS. Quantum computers exist today but, for the moment, they are small and experimental, containing only a handful of quantum bits. It's not even certain that large machines will ever be built, although Google, IBM, Microsoft, Intel and others are working on it. Adiabatic quantum computers, like the D-Wave computer that Google operates with NASA, can have large numbers of quantum bits, but currently solve fundamentally different problems. However, a hypothetical, future quantum computer would be able to retrospectively decrypt any internet communication that was recorded today, and many types of information need to remain confidential for decades. Thus even the possibility of a future quantum computer is something that we should be thinking about today. The study of cryptographic primitives that remain secure even against quantum computers is called “post-quantum cryptography”. Google has announced an experiment in Chrome where a small fraction of connections between desktop Chrome and Google's servers will use a post-quantum key-exchange algorithm in addition to the elliptic-curve key-exchange algorithm that would typically be used. By adding a post-quantum algorithm on top of the existing one, Google is able to experiment without affecting user security. The post-quantum algorithm might turn out to be breakable even with today's computers, in which case the elliptic-curve algorithm will still provide the best security that today’s technology can offer. Alternatively, if the post-quantum algorithm turns out to be secure then it'll protect the connection even against a future, quantum computer. Google's aims with this experiment are to highlight an area of research that it believes to be important and to gain real-world experience with the larger data structures that post-quantum algorithms will likely require. There are many post-quantum algorithms available. Google selected a post-quantum algorithm named "New Hope” for this experiment. News Source: https://security.googleblog.com/2016/07/experimenting-with-post-quantum.html Related Video: IBM Quantum Experience allows anyone to access IBM's Quantum Computer over the Web https://www.youtube.com/watch?v=8VPwtlOwfGE Watch more #Technology News Videos at https://www.youtube.com/playlist?list=PLK2ccNIJVPpB_XqWWq_oaZGIDzmKiSkYc Buy T-Shirts and other Merchandise at https://shop.spreadshirt.com/QualityPointTech/
Homomorphic Encryption part 1
 
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Give this video a BIG THUMBS UP if it helped! Share this Video: https://youtu.be/NBO7t_NVvCc Subscribe To Our Channel and Get More Great videos https://www.youtube.com/channel/UCB-r... Here is a Metaphor video that explains this concept in easy way. Hope you will like it!!! What is Homomorphic Encryption and why I should care? THE PROBLEM WITH encrypting data is that sooner or later, you have to decrypt it as soon as you want to actually do something with those files—anything from editing a word document or querying a database of financial data—you have to unlock the data and leave it vulnerable. Homomorphic encryption, a still-mostly-theoretical advancement in the science of keeping secrets, could change that. For, example suppose Sara wants to add 1,2 but she doesn't know about how to add numbers. she asked john to add the numbers, but she doesn't trust john ,so she Encrypt the numbers (1,2) into another numbers 33,54 and sends these numbers to john. Jhon ,who only has access to the Encrypted data set,finds the sum of 33+45 and returns the answer 87 to Sara. Sara decrypts the Johns reply and finds the answer 3. So Homomorphic Encryption is a form of Encryption where you can perform operations on to encrypted text and get the encrypted result, which when decrypted would be same as you would get if the operation was performed on the decrypted text in the first place. Like performing addition of enc(2) and enc(3) would give you enc(2+3),which when decrypted would give you answer as 5 The way we understand The underlying idea , it is: Sara to be able to send encrypted data out,john to have certain code operate on this encrypted data and have the end result sent back to Sara, in a way that: it allows Sara to decrypt the end result,and does not allow anyone else to understand what is it about.
Views: 14057 The Sharp Turtles
What is QUANTUM CRYPTOGRAPHY? What does QUANTUM CRYPTOGRAPHY mean?
 
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What is QUANTUM CRYPTOGRAPHY? What does QUANTUM CRYPTOGRAPHY mean? QUANTUM CRYPTOGRAPHY meaning - QUANTUM CRYPTOGRAPHY definition - QUANTUM CRYPTOGRAPHY explanation. Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license. Quantum cryptography is the science of exploiting quantum mechanical properties to perform cryptographic tasks. The best known example of quantum cryptography is quantum key distribution which offers an information-theoretically secure solution to the key exchange problem. Currently used popular public-key encryption and signature schemes (e.g., RSA and ElGamal) can be broken by quantum adversaries. The advantage of quantum cryptography lies in the fact that it allows the completion of various cryptographic tasks that are proven or conjectured to be impossible using only classical (i.e. non-quantum) communication (see below for examples). For example, it is impossible to copy data encoded in a quantum state and the very act of reading data encoded in a quantum state changes the state. This is used to detect eavesdropping in quantum key distribution. History: Quantum cryptography uses Heisenberg's uncertainty principle formulated in 1927, and the No-cloning theorem first articulated by Wootters and Zurek and Dieks in 1982. Werner Heisenberg discovered one of the fundamental principles of quantum mechanics: "At the instant at which the position of the electron is known, its momentum therefore can be known only up to magnitudes which correspond to that discontinuous change; thus, the more precisely the position is determined, the less precisely the momentum is known, and conversely” (Heisenberg, 1927: 174–5). This simply means that observation of quanta changes its behavior. By measuring the velocity of quanta we would affect it, and thereby change its position; if we want to find a quant's position, we are forced to change its velocity. Therefore, we cannot measure a quantum system's characteristics without changing it (Clark, n.d.) and we cannot record all characteristics of a quantum system before those characteristics are measured. The No-cloning theorem demonstrates that it is impossible to create a copy of an arbitrary unknown quantum state. This makes unobserved eavesdropping impossible because it will be quickly detected, thus greatly improving assurance that the communicated data remains private. Quantum cryptography was proposed first by Stephen Wiesner, then at Columbia University in New York, who, in the early 1970s, introduced the concept of quantum conjugate coding. His seminal paper titled "Conjugate Coding" was rejected by IEEE Information Theory Society, but was eventually published in 1983 in SIGACT News (15:1 pp. 78–88, 1983). In this paper he showed how to store or transmit two messages by encoding them in two "conjugate observables", such as linear and circular polarization of light, so that either, but not both, of which may be received and decoded. He illustrated his idea with a design of unforgeable bank notes. In 1984, building upon this work, Charles H. Bennett, of the IBM's Thomas J. Watson Research Center, and Gilles Brassard, of the Université de Montréal, proposed a method for secure communication based on Wiesner's "conjugate observables", which is now called BB84. In 1991 Artur Ekert developed a different approach to quantum key distribution based on peculiar quantum correlations known as quantum entanglement. Random rotations of the polarization by both parties (usually called Alice and Bob) have been proposed in Kak's three-stage quantum cryptography protocol. In principle, this method can be used for continuous, unbreakable encryption of data if single photons are used. The basic polarization rotation scheme has been implemented. The BB84 method is at the basis of quantum key distribution methods. Companies that manufacture quantum cryptography systems include MagiQ Technologies, Inc. (Boston, Massachusetts, United States), ID Quantique (Geneva, Switzerland), QuintessenceLabs (Canberra, Australia) and SeQureNet (Paris, France).
Views: 1214 The Audiopedia
The Math Behind Bitcoin
 
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Elliptic curves, SHA256, and RIPEMD160, oh my. Dr. Darren Tapp presents the fundamental mathematics needed for Bitcoin to work as intended, prepared so that people of many levels can get something out of it. He believes cryptographic methods are not fully used by the private sector. Take some time to learn a little about cryptography and its application to Bitcoin. 3/15/2014 http://www.darrentapp.com/
L8: Distributed Mutual Exclusion | Token based algorithms|Suzuki Kasami Broadcast Algorithm Example
 
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L7: Distributed Mutual Exclusion | Token based algorithms|Suzuki Kasami Broadcast Algorithm Example Namaskar, In the Today's lecture i will cover Suzuki Kasami Broadcast Algorithm of subject Distributed System which is one of the toughest subject of computer science and engineering and this taught in first year of B.Tech and BE I am Sandeep Vishwakarma (www.universityacademy.in) from Raj Kumar Goel Institute of Technology Ghaziabad. I have started a YouTube Channel Namely “University Academy” Teaching Training and Informative. On This channel am providing following services. #SuzukiKasami #Tokenbased #MutualExclusion 1 . Teaching: Video Lecture of B.Tech./ M.Tech. Technical Subject who provide you deep knowledge of particular subject. Compiler Design: https://www.youtube.com/playlist?list=PL-JvKqQx2Ate5DWhppx-MUOtGNA4S3spT Principle of Programming Language: https://www.youtube.com/playlist?list=PL-JvKqQx2AtdIkEFDrqsHyKWzb5PWniI1 Theory of Automata and Formal Language: https://www.youtube.com/playlist?list=PL-JvKqQx2AtdhlS7j6jFoEnxmUEEsH9KH 2. Training: Video Playlist of Some software course like Android, Hadoop, Big Data, IoT, R programming, Python, C programming, Java etc. Android App Development: https://www.youtube.com/playlist?list=PL-JvKqQx2AtdBj8aS-3WCVgfQ3LJFiqIr 3. Informative: On this Section we provide video on deep knowledge of upcoming technology, Innovation, tech news and other informative. Tech News: https://www.youtube.com/playlist?list=PL-JvKqQx2AtdFG5kMueyK5DZvGzG615ks Other: https://www.youtube.com/playlist?list=PL-JvKqQx2AtfQWfBddeH_zVp2fK4V5orf Download You Can Download All Video Lecture, Lecture Notes, Lab Manuals and Many More from my Website: http://www.universityacademy.in/ Regards University Academy UniversityAcademy Website: http://www.universityacademy.in/ YouTube: https://www.youtube.com/c/UniversityAcademy Facebook: https://www.facebook.com/UniversityAcademyOfficial Twitter https://twitter.com/UniAcadofficial Instagram https://www.instagram.com/universityacademyofficial Google+: https://plus.google.com/+UniversityAcademy
Views: 966 University Academy
A Formal Treatment of Multi key Channels
 
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Paper by Felix Günther and Sogol Mazaheri presented at Crypto 2017. See https://iacr.org/cryptodb/data/paper.php?pubkey=28246
Views: 886 TheIACR
Color Coded Cryptography | Final Year Projects 2016
 
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Including Packages ======================= * Base Paper * Complete Source Code * Complete Documentation * Complete Presentation Slides * Flow Diagram * Database File * Screenshots * Execution Procedure * Readme File * Addons * Video Tutorials * Supporting Softwares Specialization ======================= * 24/7 Support * Ticketing System * Voice Conference * Video On Demand * * Remote Connectivity * * Code Customization ** * Document Customization ** * Live Chat Support * Toll Free Support * Call Us:+91 967-774-8277, +91 967-775-1577, +91 958-553-3547 Shop Now @ http://clickmyproject.com Get Discount @ https://goo.gl/lGybbe Chat Now @ http://goo.gl/snglrO Visit Our Channel: http://www.youtube.com/clickmyproject Mail Us: [email protected]
Views: 511 Clickmyproject
Certified Ethical Hacker (CEH) Training - Cryptography
 
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In this video, Koenig Solutions, taking a step towards CEH training or Certified Ethical Hacker Training goes on to explain the importance and role of Cryptography in the world of information security. In the webinar, the emphasis is on explaining how Cryptography is related and can be used in all the five fields of information security. Whether it’s confidentiality, integrity, authenticity, availability or non-repudiation, Cryptography by its functions of encryptions, hash functions and digital signatures can help in determining the integrity and the authenticity of a message. The video in a nutshell talks about everything from symmetric encryption to asymmetric encryption to secure socket locker to hash functions and digital signatures. The idea is to give details about how these functions actually lead to the verification process. The webinar with the help of examples offers a lot of details for better understanding and insight into the backend of how information is communicated between channels and how it finally divulges into revealing the answers as required. For anyone looking to get information or wanting to go for CEH certification, the video can be a useful guide that can help clear some questions instantly. Whilethe webinar explores one aspect of Cryptography, the information it offers is valuable and helpful. Visit here - http://www.koenig-solutions.com/ceh-v8-certified-ethical-hacker-training-course.aspx or For more info: http://blog.koenig-solutions.com/koenig-to-conduct-free-session-on-access-control/
Views: 20051 Koenig Solutions
Learning Objectives: EC-Council Certified Encryption Specialist (ECES)
 
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EC-Council Certified Encryption Specialist (ECES) Course Description The EC-Council Certified Encryption Specialist (ECES) program introduces professionals and students to the field of cryptography. The participants will learn the foundations of modern symmetric and key cryptography including the details of algorithms such as Feistel Networks, DES, and AES. Other topics introduced: Overview of other algorithms such as Blowfish, Twofish, and Skipjack Hashing algorithms including MD5, MD6, SHA, Gost, RIPMD 256 and others. Asymmetric cryptography including thorough descriptions of RSA, Elgamal, Elliptic Curve, and DSA. Significant concepts such as diffusion, confusion, and Kerkchoff’s principle. Participants will also be provided a practical application of the following: How to set up a VPN Encrypt a drive Hands-on experience with steganography Hands on experience in cryptographic algorithms ranging from classic ciphers like Caesar cipher to modern day algorithms such as AES and RSA.
Views: 1008 EC Council
How Does SHA-1 Work - Intro to Cryptographic Hash Functions and SHA-1
 
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Learn more advanced front-end and full-stack development at: https://www.fullstackacademy.com SHA-1 stands for Secure Hash Algorithm 1, a cryptographic hash function developed by the NSA that can be used to verify that a file has been unaltered. In this video, we go over the basic features and common implementations of cryptographic hash functions before diving into the inner workings of a Javascript implementation of the SHA-1 function. Although out of use now, walking through the hash function code provides valuable insight into how these algorithms work. Watch this video to learn: - What are Cryptographic Hash Functions - Practical uses for Cryptographic Hash Functions - How does SHA-1 work
Views: 9190 Fullstack Academy
Lecture 8: Advanced Encryption Standard (AES) by Christof Paar
 
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For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com. The AES book chapter for this video is also available at the web site (click Sample Chapter).

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