Broken block ciphers | Data Encryption Standard | Feistel ciphers
In cryptography, Ladder-DES is a block cipher designed in 1994 by Terry Ritter. It is a 4-round Feistel cipher with a block size of 128 bits, using DES as the round function. It has no actual key schedule, so the total key size is 4×56=224 bits. In 1997, Eli Biham found two forms of cryptanalysis for Ladder-DES that depend on the birthday paradox; the key is deduced from the presence or absence of collisions, plaintexts that give equal intermediate values in the encryption process. He presented both a chosen-plaintext attack and a known-plaintext attack; each uses about 236 plaintexts and 290 work, but the known-plaintext attack requires much more memory. (Wikipedia).
Mechanical Engineering: Ch 11: Friction (18 of 47) Ladder: Example 3 of 4
Visit http://ilectureonline.com for more math and science lectures! In this video I will calculate coefficient of static friction=?, of a 10.4ft ladder resting against a wall, friction at top and bottom. Next video in this series can be seen at: https://youtu.be/qavJFqI50RM
From playlist MECHANICAL ENGINEERING 11 FRICTION
Physics - Mechanics: Ch 15 Torque (21 of 25) More Examples: 3 T=? of Cable of Step Ladder
Visit http://ilectureonline.com for more math and science lectures! In this video I will find the tension of a cable of a step-ladder with a 70kg person ¾ up the ladder. Next video can be seen at: https://youtu.be/joiPd1lJOZs
From playlist PHYSICS 15 TORQUE
Physics experiment: Jacobs ladder. Primary winding: N1 = 600 turns, secondary winding N2 = 24 000 turns. Primary voltage U1 = 230 V. Secondary voltage U2 = U1 x (N2/N1) = 230 V x (24 000/600) = 9 200 V. Jacob's Ladder is a ladder leading to heaven that was featured in a dream the biblical
From playlist physics
Find the Reach of a Ladder - Right Triangle Application
This video explains how to use a right triangle and a trigonometric equation to determine the reach of a ladder leaning against a building. Site: http://mathispower4u.com Blog: http://mathispower4u.wordpress.com
From playlist Solving Right Triangles
Mechanical Engineering: Trusses, Bridges & Other Structures (1 of 34) What is a Truss?
Visit http://ilectureonline.com for more math and science lectures! In this video I will define, explain, and give examples of what is a truss. Next video in this series can be seen at: https://youtu.be/Dic5RwIquXo
From playlist MECHANICAL ENGINEERING 8 TRUSSES AND BRIDGES
Pushing the Limits of Human Mobility - with Eline van der Kruk
How can we use mathematics and physics to prolong mobility and even win the Olympic Games? Subscribe for regular science videos: http://bit.ly/RiSubscRibe Eline van der Kruk takes you on a journey to the world of biomechanics, a place where computer simulations and smart sensors are being
From playlist Ri Talks
Here is a way to build your own Jacob's Ladder Toy. If you don't know this toy, check http://www.youtube.com/watch?v=uqU2BX1bIc4 http://en.wikipedia.org/wiki/Jacob%27s_ladder_(toy) and if you like origami: http://www.youtube.com/watch?v=ykL0Tt7jdYY
From playlist Other...
HW 3 Page 15 #6 Interesting Linear Patterns
Looking at the increasing construction of a ladder that follows a type of linear pattern
From playlist Middle School This Year
MATHEMATICAL INDUCTION - DISCRETE MATHEMATICS
We introduce mathematical induction with a couple basic set theory and number theory proofs. #DiscreteMath #Mathematics #Proofs #Induction Visit our website: http://bit.ly/1zBPlvm Subscribe on YouTube: http://bit.ly/1vWiRxW *--Playlists--* Discrete Mathematics 1: https://www.youtube.com
From playlist Discrete Math 1
CGSR | Cyberspace Escalation: Ladders or Lattices? Feat. Olesya Tkacheva & Martin Libicki
Meet the Authors is a new video series featuring interviews with the researchers and scholars who have written and edited CGSR publications. Through this series, viewers can gain greater insight into the development, thinking, and events that have shaped these pieces. In this video, we mee
From playlist Center for Global Security Research
Pythagorean Theorem Application
u07_l1_t4_we2 Pythagorean Theorem Application
From playlist Developmental Math
Ladder Operators of Angular Momentum | Quantum Mechanics
In this video, we will show you how to derive ladder operators for angular momentum. In general, a ladder operator is a certain operator, that increases or decreases the eigenvalue of another operator. References: [1] Griffiths, "Introduction to Quantum Mechanics". Contents: 00:00 Intro
From playlist Quantum Mechanics, Quantum Field Theory
#193 Comparison of 10 ESP32 Battery powered Boards without display (incl. deep-sleep)
This year, many new ESP32 boards appeared on the market. Today I will review ten different boards which have a battery connection, but no display. All results are assembled in a comparison table, but maybe you watch the video for my explanations which might help you to understand the conse
From playlist ESP32
How to do Trigonometry (finding the sides) worked examples GCSE Maths revision worked exam questions
Lots of practice questions for GCSE Higher maths specifically targeted at AQA Linked paired pilot Methods 2 exam from grades C to A*. This Play List is specifically for AQA link paired pilot revision for Higher Methods 2 exam http://www.youtube.com/playlist?list=PL2De0DVeFj3WRFv3gpDVPD-3G
From playlist GCSE Higher revision for AQA Methods 2 exam
C9 Lectures: Dr. Erik Meijer - Functional Programming Fundamentals Chapter 13 of 13
In Chapter 13, Equational Reasoning (and also revealing why Erik says 'uhm' and 'you know' so often), the grand finale, Dr. Meijer digs into referential transparency and being able to replace equals by equals in all contexts. In some sense, the purity inherent in functional languages like
From playlist Haskell - Functional Programming Fundamentals (Dr. Erik Meijer )
How long is this ladder? - Easy as 1-2-3.....
TabletClass Math: https://tcmathacademy.com/ Math help with the Pythagorean Theorem. For more math help to include math lessons, practice problems and math tutorials check out my full math help program at https://tcmathacademy.com/ Math Notes: Pre-Algebra Notes: https://tabletclas
From playlist Pre-Algebra
Web application security: 10 things developers need to know
Security is an important topic for developers however security is often an afterthought in a project. This presentation will focus on practices which developers need to be aware of, and make security fun again. This is an in depth talk about 10 topics, not an overview for security best pra
From playlist Talks
Otters aren't as Cute as you might think
Otters are adorable, but they can display some pretty nasty behaviour. Subscribe for new episodes every other Friday: http://bit.ly/SubscribeToAnimalogic ----------- SOCIAL MEDIA https://www.tiktok.com/@animalogic https://www.instagram.com/animalogicshow/ https://twitter.com/animalog
From playlist Family Mustelidae
Geometry Regents June 2019 (Part 1 Questions 1 - 24)
June 2019 Geometry Regents https://www.nysedregents.org/geometryre/619/geom62019-exam.pdf Free Response Section (Part 2 of this video) https://www.youtube.com/watch?v=6oTvW0PrGhw&feature=youtu.be This video is most appropriate for students looking for a crash course in geometry. In this
From playlist Geometry
Mechanical Engineering: Trusses, Bridges & Other Structures (3 of 34) Ex. of Bridge Trusses: 1
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain 3 examples the bridge trusses: pratt, howe, and warren. Next video in this series can be seen at: https://youtu.be/siZlCHBzQMg
From playlist MECHANICAL ENGINEERING 8 TRUSSES AND BRIDGES