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Lecture 17: Elliptic Curve Cryptography (ECC) by Christof Paar
 
01:26:31
For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com
quantum cryptography
 
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Introduction to the Quantum Cryptography lab
Views: 5111 Paul Francis
Encryption and Decryption of Data in C#.net Visual Studio 2013
 
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In this tutorial I will show you how you can use cryptostream and Rijandial Algorithm for encryption and decryption of data in C#.net programming. If you have any questions feel free to leave a comment. Thanks for watching :) -~-~~-~~~-~~-~- Please watch: "How to use android glide library to efficiently load images in your android application" https://www.youtube.com/watch?v=FOYdcq86NpU -~-~~-~~~-~~-~- keywords: md5 encryption c#.net sha1 encryption c#.net encryption using c#.net aes encryption c#.net url encryption c#.net blowfish encryption c#.net encryption c# asp.net encryption decryption c#.net encryption algorithms in c#.net encryption code in c#.net encryption c#.net md5 encryption c# asp.net c# net encryption and decryption c# .net aes encryption example c# net aes encryption c# .net asymmetric encryption c# .net des encryption c# .net data encryption c# .net encryption example c# .net file encryption encryption in c#.net encryption decryption in c#.net encryption method in c#.net encryption string in c#.net encryption class in c#.net encryption in asp.net c# pgp encryption in c#.net md5 encryption in c#.net symmetric key encryption c# .net asp net c# md5 encryption encryption of password in c#.net c# .net password encryption c# .net pgp encryption c# .net rsa encryption c# .net rijndael encryption rc4 encryption in c#.net asp.net c# rsa encryption c# .net simple encryption c# .net string encryption .net c# symmetric encryption xor encryption in c#.net aes 256 encryption c#.net c# aes encryption .net 2.0 c# .net 3des encryption c# .net 4.5 encryption encryption and decryption in c#.net decryption in c#.net decrypt md5 c#.net password encryption and decryption in c#.net aes encryption and decryption in c#.net md5 encryption and decryption in c#.net simple encryption and decryption in c#.net image encryption and decryption in c#.net file encryption and decryption in c#.net string encryption and decryption in c#.net encryption and decryption in c#.net decryption in c#.net decrypt md5 c#.net password encryption and decryption in c#.net aes encryption and decryption in c#.net md5 encryption and decryption in c#.net simple encryption and decryption in c#.net image encryption and decryption in c#.net file encryption and decryption in c#.net string encryption and decryption in c#.net encryption and decryption in c#.net decryption in c#.net decrypt md5 c#.net password encryption and decryption in c#.net aes encryption and decryption in c#.net md5 encryption and decryption in c#.net simple encryption and decryption in c#.net image encryption and decryption in c#.net file encryption and decryption in c#.net string encryption and decryption in c#.net encryption and decryption in c# asp.net encryption and decryption in c#.net aes encryption and decryption in c#.net md5 encryption and decryption in c#.net simple encryption and decryption in c#.net image encryption and decryption in c#.net file encryption and decryption in c#.net string encryption and decryption in c#.net data encryption and decryption in c#.net rsa encryption and decryption in c#.net data encryption and decryption in c#.net encryption and decryption in c#.net password encryption and decryption in c#.net aes encryption and decryption in c#.net md5 encryption and decryption in c#.net simple encryption and decryption in c#.net image encryption and decryption in c#.net file encryption and decryption in c#.net string encryption and decryption in c#.net data encryption and decryption in c#.net rsa encryption and decryption in c#.net decrypt aes - c# .net from openssl file encryption and decryption in c#.net xml file encryption and decryption in c#.net encryption and decryption in c#.net decryption in c#.net password encryption and decryption in c#.net aes encryption and decryption in c#.net md5 encryption and decryption in c#.net simple encryption and decryption in c#.net image encryption and decryption in c#.net file encryption and decryption in c#.net string encryption and decryption in c#.net data encryption and decryption in c#.net md5 encryption and decryption in c#.net md5 decryption in c#.net c# .net pgp decryption password encryption and decryption in c#.net rsa encryption and decryption in c#.net rc4 decryption in c#.net simple encryption and decryption in c#.net string encryption and decryption in c#.net xml file encryption and decryption in c#.net
Views: 22083 Software Dev
Quantum Cryptography PPT
 
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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. #QuantumComputing #Cryptography #Computer Visit https://www.topicsforseminar.com/2014/04/quantum-cryptography-seminar-report-and.html to Download
Views: 3851 Topics For Seminar
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: 41099 Mobilefish.com
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: 4324 QCrypt 2015
RC4 Algorithm
 
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This shows the operation of the RC4 algorithm (limited to 5 bits instead of the usual 8) after the key scheduling has happened.
Views: 18433 jgrahamc
What is digital signature?
 
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A digital signature is equivalent to a handwritten signature in paper, and a digital signature serves three basic purposes. Digital signature is commonly used for software distribution, financial transactions and other cases where it is important to detect forgery. Digital signatures are very popular with e-mail users. In this video, I will talk about the digital, uses, and the whole process of creating and sending digitally signed document over the Internet. Keep in mind, digital signature is not about encrypting document, just like paper-based signature. Playlist: Basic Cryptography https://www.youtube.com/watch?v=vk3py9M2IfE&list=PLSNNzog5eyduN6o4e6AKFHekbH5-37BdV Advanced Cryptography: https://www.youtube.com/watch?v=TmA2QWSLSPg&list=PLSNNzog5eydtwsdT__t5WtRgvpfMzpTc7 Please subscribe to my channel! Please leave comments or questions! Many thanks, Sunny Classroom
Views: 142339 Sunny Classroom
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: 16145 Clickmyproject
CAST Algorithm; 1 of 3
 
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Views: 3607 christamcc
International Data Encryption Algorithm
 
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If you find our videos helpful you can support us by buying something from amazon. https://www.amazon.com/?tag=wiki-audio-20 International Data Encryption Algorithm In cryptography, the International Data Encryption Algorithm (IDEA), originally called Improved Proposed Encryption Standard (IPES), is a symmetric-key block cipher designed by James Massey of ETH Zurich and Xuejia Lai and was first described in 1991.The algorithm was intended as a replacement for the Data Encryption Standard (DES). =======Image-Copyright-Info======= Image is in public domain Author-Info: Original uploader was Surachit at en.wikipedia Image Source: https://en.wikipedia.org/wiki/File:International_Data_Encryption_Algorithm_InfoBox_Diagram.svg =======Image-Copyright-Info======== -Video is targeted to blind users Attribution: Article text available under CC-BY-SA image source in video https://www.youtube.com/watch?v=WkXCqvHb6DY
Views: 13023 WikiAudio
Blockchain tutorial 10: Diffie-Hellman key exchange
 
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This is part 10 of the Blockchain tutorial explaining how the Diffie-Hellman key exchange works. 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: 6907 Mobilefish.com
What is CRYPTOGRAPHY-Introduction
 
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in this video we discuss about what is cryptography exactly.terminology used in cryptography such as(plain text,cipher text,encryption,decryption,crypta analysis etc.).and one example to know what is cryptography. whatch this video till the end to know more about this topic.like this video and please share this video to your friends. and don't forget to subscribe my channel for more interesting topics.
Views: 1037 manoj rane
Firewalls and Their Types - Cryptography and Network Security - GATE(CSE)
 
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The complete YouTube playlist can be viewed here: https://goo.gl/mjyDev This lesson explains the concept of Firewalls and Their Types, under the course, "Cryptography and Network Security for GATE Computer Science Engineering". The lesson illustrated the following subtopics: Firewalls Types of Firewalls - Packet filtering router Application-level gateway Circuit-level gateway Some important terminology and concepts are also illustrated, for the better understanding of the subject. For the entire course: https://goo.gl/aTMBNZ For more lessons by Ansha Pk: https://goo.gl/2DX9Wn Must watch for all the GATE/ESE/PSU Exams. Download the Unacademy Learning App from the Google Play Store here:- https://goo.gl/02OhYI Download the Unacademy Educator app from the Google Play Store here: https://goo.gl/H4LGHE Do Subscribe and be a part of the community for more such lessons here: https://goo.gl/UGFo7b Visit Our Facebook Group on GATE here: https://goo.gl/cPj5sb Firewalls and Their Types - Cryptography and Network Security - GATE(CSE)
Simple introduction to Shamir's Secret Sharing and Lagrange interpolation
 
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A presentation part of the cryptography course at Chalmers University, 2015. Starting with simple examples, we introduce Shamir's Secret Sharing Scheme and how Lagrange interpolation fits in. I may have misspoken at some points, but that's to keep you alert :) Solution and follow up in https://youtu.be/rWPZoz0aux4
Views: 13837 SimplyScience
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: 1725 The Audiopedia
CCNA Security IINS Exam Topics | 1.3 Cryptography concepts Day 3
 
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Follow me on Twitter: https://twitter.com/CCNADailyTIPS My strategy to pass CCNA Security in 6 MONTHS: https://www.youtube.com/watch?v=TRqDGTBsPM4 Video 1: https://www.youtube.com/watch?v=loUUWQRTzlQ Video 2: https://www.youtube.com/watch?v=qv-mm9m0-QU Video 3: https://www.youtube.com/watch?v=LKhP2NkYfP8 Quizlet: https://quizlet.com/400425352/13-cryptography-concepts-flash-cards/ PowerPoint: https://docs.google.com/presentation/d/1GRVvlxv9pAyK_9s5RuhNnWjFRdfu60wYdzOXzY-4rrc/edit?usp=sharing 1.3.a Describe key exchange: Key exchange (also key establishment) is any method in cryptography by which cryptographic keys are exchanged between two parties, allowing use of a cryptographic algorithm. 1.3.b Describe hash algorithm: Hashing is a method used to verify data integrity. A cryptographic hash function is a process that takes a block of data and creates a small fixed-sized hash value. It is a one-way function, meaning that if two different computers take the same data and run the same hash function, they should get the same fixed-sized hash value. 1.3.c Compare and contrast symmetric and asymmetric encryption: Symmetric Encryption: An encryption algorithm that uses the same key or keys for encryption and the exact same key or keys for decryption is an example of a symmetrical encryption algorithm. Asymmetric Encryption: An example of an asymmetric algorithm is public key algorithms. Instead of using the same key for encrypting and decrypting, we use two different keys that mathematically work together as a pair. Let’s call these keys the public key (Encrypts) and private key (Decrypts). Together they make a key pair 1.3.d Describe digital signatures, certificates, and PKI: Digital Signature: When you sign something, it often represents a commitment to follow through, or at least prove that you are who you say you are. In the world of cryptography, a digital signature provides three core benefits: Authentication Data integrity Nonrepudiation Digital Certificates: A digital certificate is an electronic document that identifies a device or person. It includes information such as the name of a person or organization, their address, and the public key of that person or device. There are different types of certificates, including root certificates, and identity certificates, which identify devices such as servers and other devices that want to participate in PKI. PKI: The purpose of a public-key infrastructure is to manage keys and certificates. By managing keys and certificates through a PKI, an organization establishes and maintains a trustworthy networking environment. A PKI enables the use of encryption and digital signature services across a wide variety of applications.
Views: 10 CCNADailyTIPS
CAST-128
 
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Criptografia Aplicada
Views: 2818 Jean Giaretta
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
aes tutorial, cryptography Advanced Encryption Standard AES Tutorial,fips 197
 
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https://8gwifi.org/CipherFunctions.jsp Reference book: http://leanpub.com/crypto Computer Security, Cryptography Advanced Encryption Standard AES,fips 197 The Advanced Encryption Standard (AES) specifies a FIPS-approved cryptographic algorithm that can be used to protect electronic data. The AES algorithm is a symmetric block cipher that can encrypt (encipher) and decrypt (decipher) information. Encryption converts data to an unintelligible form called ciphertext; decrypting the ciphertext converts the data back into its original form, called plaintext. The AES algorithm is capable of using cryptographic keys of 128, 192, and 256 bits to encrypt and decrypt data in blocks of 128 bits. aes encryption and decryption aes encryption example aes encryption tutorial aes encryption online aes algorithm, aes encryption explained, aes algorithm tutorial, aes encryption and decryption algorithm, aes encryption algorithm, aes algorithm lecture, aes algorithm example, aes cryptography, aes encryption and decryption algorithm
Views: 156942 Zariga Tongy
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).
High-Speed Cryptography in Java: X25519, Poly1305, and EdDSA
 
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Adam Petcher, Principal Member of Technical Staff, Oracle JDK 11 includes support for the first of a new breed of cryptographic algorithm that features improved performance, trustworthiness, and security in cloud and multitenant environments. This session describes the features and implementations of some of these algorithms: X25519 key agreement, Poly1305 authentication, and EdDSA signatures. The presentation focuses on the techniques used to develop high-performance, secure implementations of modern cryptographic algorithms in Java. No knowledge of cryptography is required, and the session should be relevant to anyone who is interested in Java performance.
Views: 417 Oracle Developers
Lecture 13: Diffie-Hellman Key Exchange and the Discrete Log Problem by Christof Paar
 
01:20:47
For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com
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
Homomorphic Encryption
 
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Math 503 Final Presentation
Views: 4845 Cory Phillips
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: 1058 Avinash pasupuleti
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.
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
Identity Based Encryption from the Diffie Hellman Assumption
 
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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: 1901 TheIACR
Homomorphic Encryption
 
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http://asecuritysite.com/encryption/pal https://asecuritysite.com/encryption/homomorphic https://asecuritysite.com/encryption/h_rsa
Views: 1738 Bill Buchanan OBE
Cracking Websites with Cross Site Scripting - Computerphile
 
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Audible free book: http://www.audible.com/computerphile JavaScript is dangerous! Why? How are websites vulnerable to it? Find out about bug-bounties from Tom Scott. More from Tom Scott: http://www.youtube.com/user/enyay and https://twitter.com/tomscott http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computerphile is a sister project to Brady Haran's Numberphile. See the full list of Brady's video projects at: http://bit.ly/bradychannels
Views: 958636 Computerphile
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
Bitcoin Q&A: Cryptographic primitives
 
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How are cryptographic primitives employed in Bitcoin? What are hashes and digital signatures? How does elliptic curve cryptography work? See details in Chapters 4 and 6 of 'Mastering Bitcoin': https://github.com/bitcoinbook/bitcoinbook/blob/f8b883dcd4e3d1b9adf40fed59b7e898fbd9241f/ch04.asciidoc https://github.com/bitcoinbook/bitcoinbook/blob/f8b883dcd4e3d1b9adf40fed59b7e898fbd9241f/ch06.asciidoc#digital_sigs These questions are from the MOOC 9.3 session which took place on March 2nd 2018. Andreas is a teaching fellow with the University of Nicosia. The first course in their Master of Science in Digital Currency degree, DFIN-511: Introduction to Digital Currencies, is offered for free as an open enrollment MOOC course to anyone interested in learning about the fundamental principles. If you want early-access to talks and a chance to participate in the monthly live Q&As with Andreas, become a patron: https://www.patreon.com/aantonop RELATED: Introduction to Bitcoin - https://youtu.be/l1si5ZWLgy0 Bitcoin: Where the Laws of Mathematics Prevail - https://youtu.be/HaJ1hvon0E0 Advanced Bitcoin Scripting: Transactions and Multisig - https://youtu.be/8FeAXjkmDcQ The war on cash and crypto - https://youtu.be/BAlRKfvBnvw MimbleWimble and Schnorr signatures - https://youtu.be/qloq75ekxv0 Mixing services - https://youtu.be/rKoMvOH4zoY Atomic swaps - https://youtu.be/fNFBA2UmUmg Directed acyclic graphs (DAGs) and IOTA - https://youtu.be/lfgMnbb5JeM Decentralised exchanges with fiat - https://youtu.be/3Url8tbQEkA Decentralised exchanges and counterparty risk - https://youtu.be/hi_jaw0dT9M The Lightning Network - https://www.youtube.com/playlist?list=PLPQwGV1aLnTurL4wU_y3jOhBi9rrpsYyi Secure, tiered storage system - https://youtu.be/uYIVuZgN95M Using paper wallets - https://youtu.be/cKehFazo8Pw Re-using addresses - https://youtu.be/4A3urPFkx8g How to get people to care about security - https://youtu.be/Ji1lS9NMz1E Migrating to post-quantum cryptography - https://youtu.be/dkXKpMku5QY Andreas M. Antonopoulos is a technologist and serial entrepreneur who has become one of the most well-known and respected figures in bitcoin. Follow on Twitter: @aantonop https://twitter.com/aantonop Website: https://antonopoulos.com/ He is the author of two books: “Mastering Bitcoin,” published by O’Reilly Media and considered the best technical guide to bitcoin; “The Internet of Money,” a book about why bitcoin matters. THE INTERNET OF MONEY, v1: https://www.amazon.co.uk/Internet-Money-collection-Andreas-Antonopoulos/dp/1537000454/ref=asap_bc?ie=UTF8 [NEW] THE INTERNET OF MONEY, v2: https://www.amazon.com/Internet-Money-Andreas-M-Antonopoulos/dp/194791006X/ref=asap_bc?ie=UTF8 MASTERING BITCOIN: https://www.amazon.co.uk/Mastering-Bitcoin-Unlocking-Digital-Cryptocurrencies/dp/1449374042 [NEW] MASTERING BITCOIN, 2nd Edition: https://www.amazon.com/Mastering-Bitcoin-Programming-Open-Blockchain/dp/1491954388 Subscribe to the channel to learn more about Bitcoin & open blockchains! Music: "Unbounded" by Orfan (https://www.facebook.com/Orfan/) Outro Graphics: Phneep (http://www.phneep.com/) Outro Art: Rock Barcellos (http://www.rockincomics.com.br/)
Views: 6969 aantonop
Bangalore Science Forum : Quantum Cryptography
 
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Lecture Number : 2644 Speaker: Dr. Sateesh S. Kannegala Chief Consultant, SecPod, Bangalore Date : 07-July-2015 Subject : Quantum Cryptography
Identity based Encryption from Codes with Rank Metric
 
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Paper by Philippe Gaborit and Adrien Hauteville and Duong Hieu Phan and Jean-Pierre Tillich, presented at Crypto 2017. See https://iacr.org/cryptodb/data/paper.php?pubkey=28219
Views: 190 TheIACR
Zero Knowledge Proofs
 
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Presentation for CSC555 on 4/28/2016
Views: 23996 Scott Twombly
A High-Speed FPGA Implementation of an RSD-Based ECC Processor
 
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A High-Speed FPGA Implementation of an RSD-Based ECC Processor 2015 VLSI Project Training Contact: IIS TECHNOLOGIES ph:9952077540,landline:044 42637391 mail:[email protected] www.iistechnologies.in
Views: 171 IIS Technologies
Secret Sharing & Threshold Schemes
 
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Description
Views: 1340 Brian Schuler
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
SHAMIR'S SECRET SHARING
 
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Presented as Part of Cryptography Course!!
Views: 2334 VAIBHAVI PATEL
Quantum and Post-Quantum Cryptography
 
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Umesh Vazirani, UC Berkeley Historical Papers in Cryptography Seminar Series http://simons.berkeley.edu/crypto2015/historical-papers-seminar-series/Umesh-Vazirani-2015-06-22
Views: 1526 Simons Institute
Blowfish (cipher)
 
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Blowfish is a symmetric-key block cipher, designed in 1993 by Bruce Schneier and included in a large number of cipher suites and encryption products. Blowfish provides a good encryption rate in software and no effective cryptanalysis of it has been found to date. However, the Advanced Encryption Standard (AES) now receives more attention. Schneier designed Blowfish as a general-purpose algorithm, intended as an alternative to the aging DES and free of the problems and constraints associated with other algorithms. At the time Blowfish was released, many other designs were proprietary, encumbered by patents or were commercial or government secrets. Schneier has stated that, "Blowfish is unpatented, and will remain so in all countries. The algorithm is hereby placed in the public domain, and can be freely used by anyone." This video is targeted to blind users. Attribution: Article text available under CC-BY-SA Creative Commons image source in video
Views: 36439 Audiopedia
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
High Performance Pipelined Architecture of Elliptic Curve Scalar Multiplication Over GF2m
 
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High Performance Pipelined Architecture of Elliptic Curve Scalar Multiplication Over GF2m High Performance Pipelined Architecture of Elliptic Curve Scalar Multiplication Over GF2m GET THIS PROJECT FOR LOW COST RS 3000, CALL +91 9566492473 , + 91 9042092473 http://www.ieeexpert.com , [email protected] FOR IEEE 2016-2017 VLSI PROJECTS AT LOW COST (Rs.1500- Rs.4000) CALL +91 9566492473 , + 91 9042092473 Ieee Xpert, India . The Best Bulk Service Provider for IEEE Solutions 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 http://www.ieeexpert.com/ [email protected] ieee vlsi projects 2016 2017 , Mtech vlsi projects 2016 2017, fpga based vlsi projects 2016 2017, final year vlsi projects titles 2016 2017 , vlsi projects for ece 2016 2017 , best vlsi projects 2016 2017 , vlsi projects title list 2016 2017 PPT, REPORT, BASEPAPER, DOCUMENT , PDF , ABSTRACTS http://www.ieeexpert.com http://www.ieeexpert.com/android-2016/ieee-android-projects-2016-2017-2016-2017-ieee-android-projects http://www.ieeexpert.com/2016-ieee-projects/ieee-projects-for-cse-2016-with-abstracts http://www.ieeexpert.com/2016-ieee-projects/ieee-projects-for-cse-2016-with-abstracts http://www.ieeexpert.com/ieee-matlab-projects-2016-2016-ieee-matlab-projects-titles http://www.ieeexpert.com/ieee-ns2-projects-2016-2017-titles http://www.ieeexpert.com/2016-ieee-projects/ieee-power-electronics-projects-2016-2017 http://www.ieeexpert.com/ieee-vlsi-projects-2016-2017-titles-2016 http://www.ieeexpert.com/vlsi-phd-research-thesis/ http://www.ieeexpert.com/contact-us http://www.ieeexpert.com/technologies High Performance Pipelined Architecture of Elliptic Curve Scalar Multiplication Over GF2m High Performance Pipelined Architecture of Elliptic Curve Scalar Multiplication Over GF2m
Improved Key Recovery Attacks on Reduced Round AES with Practical Data and Memory Complexities
 
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Paper by Achiya Bar-On and Orr Dunkelman and Nathan Keller and Eyal Ronen and Adi Shamir, presented at Crypto 2018. See https://iacr.org/cryptodb/data/paper.php?pubkey=28838
Views: 206 TheIACR
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/