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SHA-1 (Secure hash Algorithm) working in English  | CSS series
 
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Take the full crash course of Cryptography and Security System for free at Last moment tuitions Full course : https://lastmomenttuitions.com/course/cryptography-and-system-security/ Sample Notes :https://goo.gl/QpZPF5 For full hand made notes of Artificial Intelligence its only 100 rs payment options is PAYTM :9762903078 once we get payment notification we will mail you the notes on your email id contact us at :[email protected] whatsapp :9762903078 apko koi bhi doubt ho toh app humko direct email ya phone kar sakte ho Cryptography and security systems Series introduction to CSS: https://goo.gl/tjrh1L security goals and mechanism:https://goo.gl/uq35hP symmetric cipher:https://goo.gl/KFxF9j Substitution cipher and its types:https://goo.gl/MKmPzk Transposition cipher:https://goo.gl/uHqD7i diffie -hellman: https://goo.gl/YrskC5 RSA Algorithm:https://goo.gl/KwzCBF Kerberos:https://goo.gl/MQPgzw IDEA algorithm : https://goo.gl/PTCqFH Dos and DDos attack: https://goo.gl/8T345G SQL injection:https://goo.gl/bcVHnw SHA-1 vs MD5 :https://goo.gl/QJBhJD chalo toh public bus pass hojao aur share karo videos ko whatsapp group apne last moment pe unn dosto ko jo apni tarah last moment pe padhte hai Aur videos CSS ke aane waale hai so Channel ko subscribe jaroor karna follow us on: https://www.instagram.com/last_moment_tuitions https://www.facebook.com/lastmomenttuition https://www.facebook.com/sumerr3
Views: 82188 Last moment tuitions
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: 14285 Fullstack Academy
NETWORK SECURITY - SHA 512 (AUTHENTICATION ALGORITHM)
 
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SHA 512 (SECURE HASH ALGORITHM) 1) PAD WITH THE BITS 100..... UNTIL LENGTH OF PLAIN TEXT REACHES 128 LESS THAN MULTIPLE OF 1024 BITS 2) APPEND 128 BIT REPRESENTATION OF ORIGINAL PLAIN TEXT MESSAGE SO THAT LENGTH EQUALS TO MULTIPLE OF 1024 3) INITIALIZE 8 BUFFERS OF SIZE 64 BITS EACH TO STORE INTERMEDIATE RESULTS AND FINAL HASH CODE. 4) PROCESS EACH 1024 BIT BLOCK IN 80 ROUNDS. 5) OUTPUT IN BUFFERS IS THE 512 BIT HASH CODE
SHA: Secure Hashing Algorithm - Computerphile
 
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Secure Hashing Algorithm (SHA1) explained. Dr Mike Pound explains how files are used to generate seemingly random hash strings. EXTRA BITS: https://youtu.be/f8ZP_1K2Y-U Tom Scott on Hash Algorithms: https://youtu.be/b4b8ktEV4Bg http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com
Views: 498235 Computerphile
21. Cryptography: Hash Functions
 
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MIT 6.046J Design and Analysis of Algorithms, Spring 2015 View the complete course: http://ocw.mit.edu/6-046JS15 Instructor: Srinivas Devadas In this lecture, Professor Devadas covers the basics of cryptography, including desirable properties of cryptographic functions, and their applications to security. License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu
Views: 76235 MIT OpenCourseWare
NETWORK SECURITY - MD5 ALGORITHM
 
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The MD5 algorithm is a widely used hash function producing a 128-bit hash value. Step 1. Append Padding Bits. The message is "padded" (extended) so that its length (in bits) is congruent to 448, modulo 512. ... Step 2. Append Length. ... Step 3. Initialize MD Buffer Step 4. Process Message in 16-Word Blocks. ... Step 5. Output.
SHA-1 Algorithm ( Cryptography & Network Security)
 
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Prof.V.Bibin Christopher Department of CSE Ponjesly College of Engineering
Views: 27655 ponjesly cse
How hash function work?
 
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What is hash function/algorithm? What is mainly used for? What are three basic characteristics of a secure hash algorithm? In this video, I will also demonstrate how hash function works. 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 leave comments, questions, and Please subscribe! Thank you very much! Sunny Classroom
Views: 49449 Sunny Classroom
CSE571-11-11: Cryptographic Hash Functions
 
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Audio/Video Recording of Professor Raj Jain's class lecture on Cryptographic Hash Functions. It covers Hash Function, Cryptographic Hash Functions, Applications of Crypto Hash Fn, Birthday Problem, Probability of Hash Collisions, Hash Function Cryptanalysis, Block Ciphers as Hash Functions, Secure Hash Algorithm (SHA), SHA-1 Algorithm, SHA-2, SHA-512 SHA-512 Round Function, 80-Word Input Sequence, SHA-3, SHA-3 Requirements
Views: 7745 Raj Jain
cryptography - HMAC
 
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Cryptography To get certificate subscribe: https://www.coursera.org/learn/cryptography ======================== Playlist URL: https://www.youtube.com/playlist?list=PL2jykFOD1AWb07OLBdFI2QIHvPo3aTTeu ============================ Youtube channel: https://www.youtube.com/user/intrigano ============================ https://scsa.ge/en/online-courses/ https://www.facebook.com/cyberassociation/
Views: 16718 intrigano
Applied Cryptography: Hash Functions - Part 1
 
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This video gives a general idea on what hash functions are and their uses. It also describes a use of hash functions for a digital signature protocol.
Views: 30781 Leandro Junes
SHA – Secure Hash Algorithm in Hindi - Properties, Working, Comparison b/w SHA and MD5
 
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SHA Introduction, SHA Properties, Working of SHA, Comparison between MD5 and SHA #CNS Lectures in Hindi
Message Digest and Digital Signature | Cryptographic Hash Function
 
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This video lecture is produced by S. Saurabh. He is B.Tech from IIT and MS from USA. Message Digest and Digital Signature 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: 12896 saurabhschool
What is Hashing? Hash Functions Explained Simply
 
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What is hashing? In this video we explain how hash functions work in an easy to digest way. Hashing is the process of converting an input of any length into a fixed size string of text, using a mathematical function. 👩‍🎓👨‍🎓Learn blockchain fast at the Lisk Academy: https://lisk.io/academy Thanks for watching! Lisk makes it easy for developers to build and deploy blockchain applications in JavaScript. Learn about the leading platform for world-changing dapps at https://lisk.io/products. 👨‍💻👩‍💻 For developers: Documentation: https://lisk.io/documentation GitHub: https://github.com/LiskHQ Gitter: https://gitter.im/LiskHQ/lisk 🔒 Store your LSK in our official wallet: https://lisk.io/hub/ 🔎 View our blockchain explorer: https://explorer.lisk.io/ 🗞Read our latest news on the Lisk Blog: https://blog.lisk.io/ 👩‍🚀👨‍🚀 Meet the team: https://lisk.io/team 🎥 For media inquiries, please email us at press [at] lisk [dot] io. 👫Join our community channels: Reddit: http://reddit.com/r/lisk Twitter: http://twitter.com/liskhq Telegram: https://t.me/Lisk_HQ Lisk.chat: https://lisk.chat/ Instagram: http://instagram.com/liskhq Facebook: http://facebook.com/liskhq LinkedIn: https://www.linkedin.com/company/lisk/
Views: 40627 Lisk
MD5 in Hindi - Message Digest, Hash Functions, Working and Operation of MD5 - Network Security
 
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MD5 in Hindi - Message Digest, Hash Functions, Working and Operation of MD5 - Network Security Hash Functions – Features, Properties, Working of MD5, Operation of MD5 #MD5 Computer Network Security(CNS) Lectures – Internet Security
The cryptographic hash function BLAKE
 
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The cryptographic hash function BLAKE Animation overview/visualization of how the hash function works Originally here: www.youtube.com/watch?v=PgpJNRnx6eY not sure why this was removed as its a great animation showing how the hash function works Full credits goes to the author(s) which are listed in the animation "BLAKE is one of the five hash functions in the final of the NIST SHA-3 Competition. BLAKE is one of the simplest designs to implement, and relies on previously analyzed components: the HAIFA structure and the ChaCha core function." https://131002.net/blake/ *Copyrights - Thought to be originally released as Public domain and used here in Fair Use
Views: 6934 Blue Dragon
Cryptographic Hash Functions: Part 2
 
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Cryptographic Hash Functions Applications of Crypto Hash Functions Birthday Problem Secure Hash Algorithm (SHA)
Views: 2789 Scholartica Channel
Keyed-Hash Message Authentication Code (HMAC)
 
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Learn how the HMAC algorithm can prove the integrity of a message, where as a simple message authentication code cannot.
Views: 29953 Vidder, Inc.
What is a crytographically secure hash function?
 
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Modern cryptography depends on the existence of several special kinds of mathematical functions. One important kind is a one-way function. One-way functions are easy to compute but very hard for anyone to invert. Sometimes we refer to these functions as hash functions and their output as a hash. Cryptographic hash functions are a subset of hash functions that have special properties important to their use in cryptography. Credits: Talking: Geoffrey Challen (Assistant Professor, Computer Science and Engineering, University at Buffalo). Producing: Greg Bunyea (Undergraduate, Computer Science and Engineering, University at Buffalo). Part of the https://www.internet-class.org online internet course. A blue Systems Research Group (https://blue.cse.buffalo.edu) production.
Views: 498 internet-class
Cryptographic hash function
 
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A cryptographic hash function is a hash function which is considered practically impossible to invert, that is, to recreate the input data from its hash value alone. The input data is often called the message, and the hash value is often called the message digest or simply the digest. This video is targeted to blind users. Attribution: Article text available under CC-BY-SA Creative Commons image source in video
Views: 2401 Audiopedia
Cryptographic Hash functions - how your passwords and other credentials are stored in databases
 
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Lesson 3 of cryptography series (to see all video check cryptography playlist - link given below). cryptography playlist : https://www.youtube.com/watch?v=_Yw7QWbk9Vs&list=PLf8bMP4RWebLVGpUnhji9Olkj1jdXfzFd Subscribe to our new youtube channel also : https://www.youtube.com/channel/UCNx1Gkyy9LfOxDMbcOKuV4g cryptographic hash functions - storing data in databases securely this video includes : what are hash functions , what is the use of hash functions , how confidential information like passwords are stored in databases , why do we use hash functions , properties or features of hash functions , what is an ideal hash etc I have used md5 hash an an example though md5 as per me is one of worst hashes but for learning point of view its best hash as per me . like my page on facebook : https://www.facebook.com/guidetohacking/ #cryptography #hash #function
Lecture 21: SHA-1 Hash Function by Christof Paar
 
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For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com
Password Hashing, Salts, Peppers | Explained!
 
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---------------------------------------------------------------------------------------------- Check out my site: http://www.seytonic.com Follow me on twitter: https://twitter.com/seytonic
Views: 69221 Seytonic
MD5 Algorithm in Hindi
 
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Md5 algorithm explained in hindi. Di like, share and subscribe.
Views: 34442 Rudra Singh
sha1 tutorial how sha1 works secure hash algorithm tutorial
 
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https://8gwifi.org/MessageDigest.jsp Secure Hash Standard Secure Hash Algorithm tutorial Algorithm can be described in two stages: preprocessing and hash computation. Preprocessing involves padding a message, parsing the padded message into m-bit blocks, and setting initialization values to be used in the hash computation. The hash computation generates a message schedule from the padded message and uses that schedule, along with functions, constants, and word operations to iteratively generate a series of hash values. The final hash value generated by the hash computation is used to determine the message digest. sha-1 algorithm sha-1 algorithm example sha-1 algorithm steps sha1 algorithm explanation with example sha1 hash sha1 hash algorithm sha1 tutorial
Views: 6209 Zariga Tongy
Python Hash-Decrypter Program | Decode Hash Encryption 🔐
 
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Hello Friends, In This Video, I'm Gonna Show You How You Can Encrypt & Decrypt The Hash String With The Help Of Hashlib Python Module Python-Hash-Cracker Program - https://goo.gl/zs3ikD HASHING : - If you need secure hashes or message digest algorithms, then Python’s standard library has you covered in the hashlib module. It includes the FIPS secure hash algorithms SHA1, SHA224, SHA256, SHA384, and SHA512 as well as RSA’s MD5 algorithm. Python also supports the adler32 and crc32 hash functions, but those are in the zlib module. One of the most popular uses of hashes is storing the hash of a password instead of the password itself. Of course, the hash has to be a good one or it can be decrypted. Another popular use case for hashes is to hash a file and then send the file and its hash separately. Then the person receiving the file can run a hash on the file to see if it matches the hash that was sent. If it does, then that means no one has changed the file in transit Cryptographic hashes are used in day-day life like in digital signatures, message authentication codes, manipulation detection, fingerprints, checksums (message integrity check), hash tables, password storage and much more. They are also used in sending messages over a network for security or storing messages in databases. There are many hash functions defined in the “hashlib” library in python. Some of the most used hash functions are: MD5: Message digest algorithm producing a 128 bit hash value. This is widely used to check data integrity. It is not suitable for use in other fields due to the security vulnerabilities of MD5. SHA: Group of algorithms designed by the U.S's NSA that are part of the U.S Federal Information processing standard. These algorithms are used widely in several cryptographic applications. The message length ranges from 160 bits to 512 bits. Functions associated : encode() : Converts the string into bytes to be acceptable by hash function. digest() : Returns the encoded data in byte format. hexdigest() : Returns the encoded data in hexadecimal format. ----------------------------------------------------------------------------------------------------------- Hope This Video Is Helpful For You ► Connect with me! ◄ Facebook - http://bit.ly/2tbOg3b Google+ - http://bit.ly/2jrWz6g Instagram - http://bit.ly/2tbR14z Reddit - https://bit.ly/2J5Vqfm ★★★Watch my most recent videos playlist★★★ Kali Linux - https://goo.gl/36M3JD Deep Web - https://goo.gl/7ueKNh Python Coding - https://goo.gl/dCtyrS Java Coding - https://goo.gl/oxFo8W Basic Computer - https://goo.gl/kwFXM3 Hacking - https://goo.gl/vjT916 Games Benchmark - https://goo.gl/eshw3T Gaming - https://goo.gl/mLuQwf Notepad Tricks -https://goo.gl/3uapMJ CMD Tricks - https://goo.gl/x1KH8C Facebook Tricks - https://goo.gl/1JV9Fz Problem Solved - https://goo.gl/eJwjXq Gmail Tricks - https://goo.gl/fSpbaB And talking about subscribing, please subscribe to my channel, if you enjoyed this video and want more how-to, Thanks so much for watching!
Views: 10018 Mighty Ghost Hack
C/C++ Cryptography — Simple Hashing Algorithm | Simple Hash Function
 
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• Support me on Patreon: http://www.patreon.com/Zer0Mem0ry • Donate Bitcoin: 1JhSKGgRQmir8rRF4Sm5CP4fDDofKFAypd • Facebook: https://www.facebook.com/Zer0Mem0ry • Twitter: https://www.twitter.com/Zer0Mem0ry
Views: 10182 Zer0Mem0ry
SHA-2 Cryptographic Hash Function
 
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For clearer illustrations, a .ppsx file (ppt slide show) can be accessed at https://www.dropbox.com/s/j7k4c5nm3zgezp2/ppsxABU_SHA2_Presentation.ppsx
Views: 4858 Patricia Angela Abu
How to salt and pepper passwords?
 
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How to salt your passwords? How to add "pepper" to salted passwords? What is the difference between salt and pepper? This video would define the salt and pepper techniques and how they work. 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 leave comments, questions and please subscribe! Sunny Classroom
Views: 10995 Sunny Classroom
Secure Hash Algorithm-1
 
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Understand working of SHA-1 algorithm
Views: 520 DrVikasThada
CS10 Final Project: Cryptographic Hash Functions
 
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This video was uploaded from an Android phone.
Views: 148 tz871
Hashing Algorithms and Security - Computerphile
 
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Audible free book: http://www.audible.com/computerphile Hashing Algorithms are used to ensure file authenticity, but how secure are they and why do they keep changing? Tom Scott hashes it out. 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. Pigeon Sound Effects courtesy of http://www.freesfx.co.uk/ 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: 788417 Computerphile
Java Tutorial - Hash functions (MD2, MD5, SHA-1, SHA-224, SHA-256, SHA-384, SHA-512)
 
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This video cover hash functions in Java (MD2, MD5, SHA-1, SHA-224, SHA-256, SHA-384, SHA-512). Please upvote & subscribe and visit https://www.facebook.com/tuts4java on facebook. Like & share :)
Views: 12500 Zoran Davidović
SHA-2 Cryptographic Hash Function
 
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For clearer illustrations, a .ppsx file (ppt slide show with narration) can be accessed at https://www.dropbox.com/s/j7k4c5nm3zgezp2/ppsxABU_SHA2_Presentation.ppsx
Views: 16165 Patricia Angela Abu
Secure Hash Algorithm
 
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This video is part of the Udacity course "Intro to Information Security". Watch the full course at https://www.udacity.com/course/ud459
Views: 28702 Udacity
Cryptographic hash functions in Python
 
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A simple introduction to the properties of cryptographic hashing functions as well as examples of how to hash data using the Python standard library.
Views: 1717 ralienpp
SHA-1 Hash Function
 
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Views: 53071 Kiran Kuppa
NETWORK SECURITY - HMAC ALGORITHM
 
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www.youtube.com/c/sundeepsaradhi
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: 30930 DrapsTV
How Does SHA256 Work?
 
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Since SHA1 has been broken, SHA256 is seen as one of the contenders to replace it. In this video I review why it might be needed and how it functions on a low and high level perspective by stepping through the algorithm with an example by converting abc to its digest. I did a similar explanation for SHA1 in another video so check that out. Ill also be doing some supplementary videos on the binary math...ill be having some fun with them :D Music Title Olympus by Ross Bugden https://www.youtube.com/watch?v=BnmglWHoVrk https://creativecommons.org/licenses/by/4.0/ Clips used One Piece film z - Eiichiro Oda, Tatsuya Nagamine Avatar the last Air Bender - Joaquim Dos Santos,Michael Dante DiMartino,Bryan Konietzko Ghost Pain - Masahiko Murata, Kazuchika Kise Terminator Genysis - Alan Taylor,Bill Carraro,Megan Ellison Phantasy Star Online - Keiichirô Kawaguchi,Kyohei Ito One Piece - Kōnosuke Uda, Eiichiro Oda,Alfred Kahn,Toei Animation,Yoshihiro Suzuki Animatrix- Peter Chung, Andrew R. Jones,Mahiro Maeda,Joel Silver The Matrix Reloaded - Lana Wachowski (as The Wachowski Brothers), Lilly Wachowski (as The Wachowski Brothers),Bruce Berman Bleach - Tite Kubo, TV Tokyo, Dentsu and Studio Pierrot Boruto: Naruto Next Generations - Noriyuki Abe and Hiroyuki Yamashita Samurai Champloo - Shinichirō Watanabe,Takatoshi Hamano,Takashi Kochiyama,Tetsuro Satomi
Views: 38555 EpicFactFind
Bao, a general purpose cryptographic tree hash, and perhaps the fastest hash function in the world
 
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Project: https://github.com/oconnor663/bao Slides: https://jacko.io/bao_presentation/presentation.html Event URL: https://www.meetup.com/Rust-NYC/events/256499782 This is the talk I gave at the Rust NYC meetup on November 27, 2018. Speed demos are at 3m48s and 43m08s, and the encoding/decoding demo ("Barney the Demosaur") starts at 12m36s.
Views: 985 Jack O'Connor
SHA 1 Veera
 
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Secure Hash Algorithm -SHA -1
Views: 5706 Veera Manickam
Secure Hash Algorithm Explained (SHA)
 
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In this video, you will see Secure Hash Algorithm (SHA) explained simply for beginners! Understanding the concept of a Secure Hash Algorithm (SHA) is crucial in order to understand blockchain, bitcoin, and other cryptocurrencies. The term "hashing" is thrown around everywhere, and I want to make it super clear what exactly this term means! Cited: Graphic from BlockGeeks, credit to them for that slide! ------------------------------------------------------------------------------------------------------------- Pick up a Ledger Nano S Here: https://www.ledgerwallet.com/r/b852?path=/products/ledger-nano-s&tracker=MY_TRACKER ------------------------------------------------------------------------------------------------------------- If you want to get in the cryptocurrency game, sign up for Coinbase with my referral link: https://www.coinbase.com/join/590795469dcf5f0906c65a13 ------------------------------------------------------------------------------------------------------------- Also, sign up for Binance with my referral link here: https://www.binance.com/?ref=23509073 ☮ Thank you for watching and joining the movement! I post weekly content about blockchain, cryptocurrency and more, including cryptocurrency investment tips, product reviews, and informative lessons, so please consider subscribing to get updated on the latest content! ☮ **-----------------------------------------------------------------------------------------------------DISCLAIMER: The information in this video is an opinion and is for informational purposes only. It is not intended to be investment advice, nor does it represent any entity's opinion but my own. Seek a duly licensed professional for investment advice. I am not guaranteeing you gains on your investment and this is just my own personal approach that I’ve had success with in investing in cryptocurrency. What I can guarantee, is that by using the above questions as your guide, make the most educated decisions possible while investing in cryptocurrency! Invest smart, ladies and gentlemen! This video and description may contain affiliate links, which means that if you click on one of the product links, I’ll receive a small commission. Most often, I include links to products when I do product reviews, but I will never push a product I do not use myself and totally believe in! The commission I receive for clicks is directly reinvested into the creation of great content on this channel, and I thank you for your support. I am @hashoshi4, engage with me on social media :) Twitter: http://bit.ly/2EDnBjp Facebook: http://bit.ly/2CvViW8 Instagram: http://bit.ly/2ECkecO *--------------------------------------------------------------------------------------------------------* I am Forrest Colyer, and I have studied blockchain and cryptocurrency obsessively over the last 7 years and worked as a blockchain developer for the past few years. It has been a wild ride and I'm excited about what the future holds! On this channel, I strive to share my experience with you in the form of blockchain tutorials, lessons, and stories as well as cryptocurrency news and investment hacks/tips. Thank you for watching and supporting me; Let's Hash It Out!
Views: 460 Hashoshi
How secure is 256 bit security?
 
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Supplement to the cryptocurrency video: How hard is it to find a 256-bit hash just by guessing and checking? What kind of computer would that take? Cryptocurrency video: https://youtu.be/bBC-nXj3Ng4 Home page: https://www.3blue1brown.com/ Several people have commented about how 2^256 would be the maximum number of attempts, not the average. This depends on the thing being attempted. If it's guessing a private key, you are correct, but for something like guessing which input to a hash function gives the desired output (as in bitcoin mining, for example), which is the kind of thing I had in mind here, 2^256 would indeed be the average number of attempts needed, at least for a true cryptographic hash function. Think of rolling a die until you get a 6, how many rolls do you need to make, on average? Music by Vince Rubinetti: https://vincerubinetti.bandcamp.com/album/the-music-of-3blue1brown ------------------ 3blue1brown is a channel about animating math, in all senses of the word animate. And you know the drill with YouTube, if you want to stay posted on new videos, subscribe, and click the bell to receive notifications (if you're into that). If you are new to this channel and want to see more, a good place to start is this playlist: http://3b1b.co/recommended Various social media stuffs: Website: https://www.3blue1brown.com Twitter: https://twitter.com/3Blue1Brown Patreon: https://patreon.com/3blue1brown Facebook: https://www.facebook.com/3blue1brown Reddit: https://www.reddit.com/r/3Blue1Brown
Views: 1059159 3Blue1Brown
Calling  .Net cryptographic functions from matlab SHA256
 
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Calling .Net cryptographic functions from matlab
Hashing: Why & How?
 
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Why do we wish to reduce a long list to a short one? How to do it, so that the short list will identify the long list. How to do it so that it is impossible to identify the long list from the short one, and the implications of the fact that many long lists share the very same short list. Hashing configurations: straight encryption, MD4, MD5, SHA-1, SHA-2.
Views: 145415 Gideon Samid
Hashing with SHA1 Algorithm in C#
 
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Download : http://dotnet4free.blogspot.com/2014/04/encrypt-your-passwords-with-sha1.html ****************************************** Hashing with SHA1 Algorithm in C#
Views: 10773 Tuto4free