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CTNT 2018 - "Elliptic curves over finite fields" (Lecture 1) by Erik Wallace
 
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This is lecture 1 of a mini-course on "Elliptic curves over finite fields", taught by Erik Wallace, during CTNT 2018, the Connecticut Summer School in Number Theory. For more information about CTNT and other resources and notes, see https://ctnt-summer.math.uconn.edu/
Views: 395 UConn Mathematics
Finite fields made easy
 
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Solutions to some typical exam questions. See my other videos https://www.youtube.com/channel/UCmtelDcX6c-xSTyX6btx0Cw/.
Views: 35553 Randell Heyman
Elliptic Curves, Cryptography and Computation
 
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Much of the research in number theory, like mathematics as a whole, has been inspired by hard problems which are easy to state. A famous example is 'Fermat's Last Theorem'. Starting in the 1970's number theoretic problems have been suggested as the basis for cryptosystems, such as RSA and Diffie-Hellman. In 1985 Koblitz and Miller independently suggested that the discrete logarithm problem on elliptic curves might be more secure than the 'conventional' discrete logarithm on multiplicative groups of finite fields. Since then it has inspired a great deal of research in number theory and geometry in an attempt to understand its security. I'll give a brief historical tour concerning the elliptic curve discrete logarithm problem, and the closely connected Weil Pairing algorithm.
Views: 1195 Microsoft Research
Elliptic Curve (ECC) with example - Cryptography lecture series
 
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In this lecture series, you will be learning about cryptography basic concepts and examples related to it. Elliptic Curve (ECC) with example (ECC) with example.
Views: 18291 Eezytutorials
Mapping elliptic curve over finite field
 
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Mapping smooth elliptic curve in simple Weierstrass form over a prime finite field and then discarding all but rational points. You can find the accompanying article at https://trustica.cz/en/2018/03/01/elliptic-curves-over-finite-fields/
Views: 870 Trustica
Lecture 7: Introduction to Galois Fields for the AES by Christof Paar
 
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For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com
Lenstras Algorithm
 
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Views: 1199 Jeff Suzuki
Elliptic curve cryptography
 
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Elliptic curve cryptography Elliptic curve cryptography (ECC) is an approach to public-key cryptography based on the algebraic structure of elliptic curves over finite fields.ECC requires smaller keys compared to non-ECC cryptography (based on plain Galois fields) to provide equivalent security. -Video is targeted to blind users Attribution: Article text available under CC-BY-SA image source in video https://www.youtube.com/watch?v=UTJ2jxuyL7g
Views: 481 WikiAudio
Bitcoin 101   Elliptic Curve Cryptography   Part 4   Generating the Public Key in Python
 
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Vídeo original: https://youtu.be/iB3HcPgm_FI Welcome to part four in our series on Elliptic Curve Cryptography. I this episode we dive into the development of the public key. In just 44 lines of code, with no special functions or imports, we produce the elliptic curve public key for use in Bitcoin. Better still, we walk you through it line by line, constant by constant. Nothing makes the process clearer and easier to understand than seeing it in straight forward code. If you've been wondering about the secp256k1 (arguably the most important piece of code in Bitcoin), well then this is the video for you. This is part 4 of our upcoming series on Elliptic Curves. Because of such strong requests, even though this is part 4, it is the first one we are releasing. In the next few weeks we will release the rest of the series. Enjoy. Here's the link to our Python code (Python 2.7.6): https://github.com/wobine/blackboard1... Here's the private key and the link to the public address that we use. Do you know why it is famous? Private Key : A0DC65FFCA799873CBEA0AC274015B9526505DAAAED385155425F7337704883E Public Address on Blockchain.info https://blockchain.info/address/1JryT... Here's the private key we use at the end: 42F615A574E9CEB29E1D5BD0FDE55553775A6AF0663D569D0A2E45902E4339DB Public Address on Blockchain.info https://blockchain.info/address/16iTd... Welcome to WBN's Bitcoin 101 Blackboard Series -- a full beginner to expert course in bitcoin. Please like, subscribe, comment or even drop a little jangly in our bitcoin tip jar 1javsf8GNsudLaDue3dXkKzjtGM8NagQe. Thanks, WBN
Views: 5782 Fabio Carpi
Elliptic curve cryptography
 
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Elliptic curve cryptography is an approach to public-key cryptography based on the algebraic structure of elliptic curves over finite fields. One of the main benefits in comparison with non-ECC cryptography is the same level of security provided by keys of smaller size. Elliptic curves are applicable for encryption, digital signatures, pseudo-random generators and other tasks. They are also used in several integer factorization algorithms that have applications in cryptography, such as Lenstra elliptic curve factorization. This video is targeted to blind users. Attribution: Article text available under CC-BY-SA Creative Commons image source in video
Views: 2787 Audiopedia
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
CTNT 2018 - "Elliptic curves over finite fields" (Lecture 2) by Erik Wallace
 
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This is lecture 2 of a mini-course on "Elliptic curves over finite fields", taught by Erik Wallace, during CTNT 2018, the Connecticut Summer School in Number Theory. For more information about CTNT and other resources and notes, see https://ctnt-summer.math.uconn.edu/
Views: 61 UConn Mathematics
A Look Into Elliptic Curve Cryptography (ECC)
 
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A talk about the basics of Elliptic Curve Cryptography (ECC), its use and application today, strengths and weaknesses.
Views: 23149 mrdoctorprofessorsir
Galois Field Part 2
 
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Multiplication and addition tables for GF(2^3), concept of generator in GF and operations using generator.
Views: 4132 DrVikasThada
Implementation of Elliptic Curve Cryptography
 
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Cryptography and Network Security by Prof. D. Mukhopadhyay, Department of Computer Science and Engineering, IIT Kharagpur. For more details on NPTEL visit http://nptel.iitm.ac.in
Views: 12683 nptelhrd
Lecture 16: Introduction to Elliptic Curves by Christof Paar
 
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For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com (Don't worry, I start in German but at minute 2:00 I am switiching to English for the remainder of the lecture :)
Rational Points over Finite Field Part_II
 
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Elliptic Curve Cryptography
Views: 1348 Israel Reyes
Point addition on elliptic curve
 
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Visualization of point addition on elliptic curve in simple Weierstrass form over real numbers and finite field. The underlying math is explained in next article of our elliptic curves' series: https://trustica.cz/en/2018/03/15/elliptic-curves-point-addition/
Views: 327 Trustica
Pairings in Cryptography
 
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Dan Boneh, Stanford University Historical Papers in Cryptography Seminar Series http://simons.berkeley.edu/crypto2015/historical-papers-seminar-series/Dan-Boneh-2015-07-13
Views: 10659 Simons Institute
José Felipe Voloch: Generators of elliptic curves over finite fields
 
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Abstract: We will discuss some problems and results connected with finding generators for the group of rational points of elliptic curves over finite fields and connect this with the analogue for elliptic curves over function fields of Artin's conjecture for primitive roots. Recording during the thematic meeting: "Dynamics and Graphs over Finite Fields: Algebraic, Number Theoretic and Algorithmic Aspects" the March 31, 2016 at the Centre International de Rencontres Mathématiques (Marseille, France) Filmmaker: Guillaume Hennenfent Find this video and other talks given by worldwide mathematicians on CIRM's Audiovisual Mathematics Library: http://library.cirm-math.fr. And discover all its functionalities: - Chapter markers and keywords to watch the parts of your choice in the video - Videos enriched with abstracts, bibliographies, Mathematics Subject Classification - Multi-criteria search by author, title, tags, mathematical area
Martijn Grooten - Elliptic Curve Cryptography for those who are afraid of maths
 
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Elliptic Curve Cryptography (ECC) is hot. Far better scalable than traditional encryption, more and more data and networks are being protected using ECC. Not many people know the gory details of ECC though, which given its increasing prevalence is a very bad thing. In this presentation I will turn all members of the audience into ECC experts who will be able to implement the relevant algorithms and also audit existing implementations to find weaknesses or backdoors. Actually, I won't. To fully understand ECC to a point where you could use it in practice, you would need to spend years inside university lecture rooms to study number theory, geometry and software engineering. And then you can probably still be fooled by a backdoored implementation. What I will do, however, is explain the basics of ECC. I'll skip over the gory maths (it will help if you can add up, but that's about the extent of it) and explain how this funny thing referred to as "point addition on curves" can be used to exchange a secret code between two entities over a public connection. I will also explain how the infamous backdoor in Dual_EC_DRGB (a random number generator that uses the same kind of maths) worked. At the end of the presentation, you'll still not be able to find such backdoors yourselves and you probably realise you never will. But you will be able to understand articles about ECC a little better. And, hopefully, you will be convinced it is important that we educate more people to become ECC-experts.
Views: 22091 Security BSides London
Elliptic curves: scalar multiplication revisited
 
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Scalar multiplication of points on elliptic curves over finite fields explained in article https://trustica.cz/2018/04/19/elliptic-curves-scalar-multiplication2/ is shown in this video. Subscribe to our channel and follow us on Twitter: https://twitter.com/trusticacz
Views: 164 Trustica
Elliptic Curve Automation
 
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This shows how mechanical computers can be assembled to guide the joints of a two link serial chain to draw an elliptic cubic curve. This is an example of Kempe's universality theorem and is the work of Yang Liu.
Views: 827 mechanicaldesign101
Elliptic Curve Diffie Hellman
 
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A short video I put together that describes the basics of the Elliptic Curve Diffie-Hellman protocol for key exchanges.
Views: 110403 Robert Pierce
The Math Behind Bitcoin - Finite Fields
 
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This is episode one of the Math Behind Bitcoin. In an effort to understand the math behind bitcoin, I try to explain it to you guys. If there are any mistakes or suggestions, please put it in the comment section below. Thanks! Resources - https://www.coindesk.com/math-behind-bitcoin/ - https://eng.paxos.com/blockchain-101-foundational-math - Mastering Bitcoin by Andreas Antonopoulos - https://www.cryptocoinsnews.com/explaining-the-math-behind-bitcoin/ - https://en.wikipedia.org/wiki/Finite_field
Views: 1081 Kevin Su
Elliptic Curve ElGamal Cryptosystem
 
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In this video I primarily do through the Elliptic Curve ElGamal crytposystem (Bob's variables/computations, Alice's variables/computations, what is sent, and how it is decrypted by Bob). In addition, I go over the basics of elliptic curves such as their advantages and how they are written. Digital Signatures - ElGamal: https://www.youtube.com/watch?v=Jo3wHnIH4y832,rpd=4,rpg=7,rpgr=0,rpm=t,rpr=d,rps=7 Reference: Trappe, W., & Washington, L. (2006). Introduction to cryptography: With coding theory (2nd ed.). Upper Saddle River, N.J.: Pearson Prentice Hall.
Views: 9392 Theoretically
elliptic curve addition
 
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Views: 2108 Jeff Suzuki
Elliptic Curve Arithmetic and Bitcoin | Nathan Dalaklis
 
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Bitcoin is a cryptocurrency that uses elliptic curves in the ECDSA. Since cryptosystems often require some form of arithmetic to encode and decode information we have a couple questions to ask; What are elliptic curves? And how can we do arithmetic on an elliptic curve? ________ Standards for Efficent Cryptography Group: http://www.secg.org Elliptic Curve Addition Modulo p Applet: https://cdn.rawgit.com/andreacorbellini/ecc/920b29a/interactive/modk-add.html ________ Last video: http://bit.ly/2Ms3VCr The CHALKboard: http://www.youtube.com/c/CHALKboard Find the CHALKboard on Facebook: http://bit.ly/CHALKboard _____________________ Interested in the person behind the camera? See what Nathan's up to on these platforms! Instagram: http://bit.ly/INSTAnatedlock Twitter: http://bit.ly/TWITTnatedlock _____________________ ---------------------------------- #CHALK #Bitcoin #EllipticCurves _____________________ ----------------------------------
Views: 183 CHALK
Elliptic Curves: Diffie-Hellman key exchange
 
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Demonstration of Elliptic Curve Diffie-Hellman key exchange described in article https://trustica.cz/2018/05/17/elliptic-curve-diffie-hellman-key-exchange/ shows the calculation of public points and shared secret on elliptic curve in simple Weierstrass form y²=x³-2x+15 over GF(23). Starring Alice and Bob - since 1978. Consider subscribing to our YouTube channel to see some interesting cryptography-related videos in the future and maybe follow us on Twitter https://twitter.com/trusticacz as well!
Views: 315 Trustica
Elliptic Curve Cryptography, A very brief and superficial introduction
 
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by Ron Garret Bay Area Lisp and Scheme Meetup http://balisp.org/ Sat 30 Apr 2016 Hacker Dojo Mountain View, CA Abstract This will be a beginner’s introduction to elliptic curve cryptography using Lisp as a pedagogical tool. Cryptography generally relies heavily on modular arithmetic. Lisp’s ability to change the language syntax and define generic functions provides opportunities to implement modular arithmetic operations much more cleanly than other languages. Video notes The audio for the introduction and for the questions from the audience is hard to hear. I will try to improve on that in the next batch of talks. — Arthur
Views: 3309 Arthur Gleckler
Interview Igor Shparlinski : Jean Morlet Chair (First Semester 2014)
 
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Jean-Morlet Chair on 'Number Theory and its Applications to Cryptography' Beneficiaries : Jean-Morlet Chair : Igor SHPARLINSKI School of Mathematics and Statistics University of New South Wales Sydney, Australia [email protected] Local project leader : David KOHEL I2M - Institut de Mathématiques de Marseille Aix-Marseille Université [email protected] General themes This chair was linked in parts to the thematic month on 'Arithmetics' which took part in February 2014 at CIRM. Igor Shparlinski has a career in Number theory and its applications to cryptography, with significant overlap with the research interests of the groups Dynamique Arithmétique, Combinatoire (DAC) and Arithmétique et Théorie de l'Information (ATI) in Marseille. The idea was to start the month with a week on 'Unlikely Intersections' followed by a workshop organized by members of the DAC research group. Weeks 3 and 4 were on 'Frobenius distributions' and were co-organized with the ATI group. The focus was to introduce and explore new directions of research around the proof of the Sato-Tate conjecture, its generalizations, and the related Lang-Trotter conjecture. Continuing the progression to the interactions of arithmetics with geometry, the thematic month closed with a week on the topic 'On the Conjectures of Lang and Volta'. The project was concentrated around several areas of number theory and its applications to quasi-Monte Carlo methods and cryptography. For both applications, the notion of pseudorandomness plays a very crucial role and thus they both require high quality pseudorandom number generators and randomness extractors. In turn, these applications lead to several subtle questions of analytic and combinatorial number theory, which are of intrinsic mathematical interest and involve the study of distribution of integers with prescribed arithmetic or combinatorial structure (e.g primes or smooth numbers and numbers with prescribed digit expansions). One of the new directions envisaged was to obtain polynomial analogues of several important results and conjectures which are known in the number case. Furthermore, driven by applications to elliptic curve cryptography, the project also addressed several theoritic and algorithmic questions related to elliptic and higher genus curves. The above applications were used on a combination of advanced number theory methods such as a) bounds of exponential and character sums; b) sieve methods and c) Subspace theorem and other Diophantine methods, which are developed by the members of DAC as well as the methods of algebraic geometry and commutative algebra such as d) effective forms of Hilbert's Nullstellensatz; e) Newton polytopes and f) Hilbert's Irreducibility theorem, which are developed by the members of ATI. The potential applications to pseudorandomness are of main interest to the members of DAC, while the applications to elliptic curve cryptography are one of the main directions of ATI. More specifically, the project consisted of the following closely related and cross-fertilising areas: 1. Pseudorandom number generators 2. Integers of cryptographic interest 3. Distribution of points in small boxes on curves over finite fields 4. Arithmetic and group theoretic properties of elliptic curves over finite fields. Interview : July 2014 By Stéphanie Vareilles
Recovering elliptic curves from their p-torsion - Benjamin Bakker
 
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Benjamin Bakker New York University May 2, 2014 Given an elliptic curve EE over a field kk, its p-torsion EpEp gives a 2-dimensional representation of the Galois group GkGk over 𝔽pFp. The Frey-Mazur conjecture asserts that for k=ℚk=Q and p13p13, EE is in fact determined up to isogeny by the representation EpEp. In joint work with J. Tsimerman, we prove a version of the Frey-Mazur conjecture over geometric function fields: for a complex curve CC with function field kCkC, any two elliptic curves over kCkC with isomorphic pp-torsion representations are isogenous, provided pp is larger than a constant only depending on the gonality of CC. The proof involves understanding the hyperbolic geometry of a modular surface. For more videos, visit http://video.ias.edu
Elliptic Curves as Abelian Groups
 
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Math 706 Section 10.5 Elliptic Curves as Abelian Groups
Views: 242 Todd Cochrane
F4 Traces and Index Calculus on Elliptic Curves Over Extension Fields
 
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Recently, Gaudry and Diem have proposed an index calculus method for the resolution of the DLP on elliptic curves defined over extension fields. In this talk, I will first present a variant of this method that enables to decrease the asymptotic complexity of the DLP on E(Fqn) for a large range of q and n, then introduce a second improvement provided by the use of F4 traces for polynomial system solving. Finally, I will give a practical example of our index calculus variant to the oracle-assisted Static Diffie-Hellman Problem. This is a joint work with Antoine Joux.
Views: 240 Microsoft Research
addition of points mod N
 
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Views: 1062 Jeff Suzuki
Elliptic curves: double and add
 
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Video for article https://trustica.cz/2018/05/03/elliptic-curves-double-and-add/ showing the double-and-add algorithm in action on prime-order curve in simple Weierstrass form y²=x³-2x+15 over GF(23). This algorithm is used for performing fast scalar multiplication of points on elliptic curves. Please consider subscribing to our YouTube channel and following us on Twitter: https://twitter.com/trusticacz
Views: 206 Trustica
Doubling a Point (Adding a point to itself)
 
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Elliptic Curve Arithmetic
Views: 2947 Israel Reyes
CTNT 2018 - "Factoring with Elliptic Curves" by Jeremy Teitelbaum
 
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This is lecture on "Factoring with Elliptic Curves", by Jeremy Teitelbaum, during CTNT 2018, the Connecticut Summer School in Number Theory. For more information about CTNT and other resources and notes, see https://ctnt-summer.math.uconn.edu/
Views: 99 UConn Mathematics