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# cryptography algorithm family - New Videos

Channel: TheIACR & Total View: 540

Add Date: January 4, 2016, 3:28 pm & Duration: 00:17:15

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Observations on the SIMON Block Cipher Family

Channel: Computerphile & Total View: 284809

Add Date: April 11, 2017, 6:35 am & Duration: 00:10:21

Likes: 5057 | Dislike: 123

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

Channel: MIT OpenCourseWare & Total View: 8176

Add Date: September 12, 2016, 11:13 am & Duration: 00:21:45

Likes: 58 | Dislike: 6

MIT 6.042J Mathematics for Computer Science, Spring 2015

View the complete course: http://ocw.mit.edu/6-042JS15

Instructor: Albert R. Meyer

License: Creative Commons BY-NC-SA

More information at http://ocw.mit.edu/terms

More courses at http://ocw.mit.edu

Channel: Bill Buchanan & Total View: 307

Add Date: August 3, 2017, 10:25 am & Duration: 00:07:50

Likes: 4 | Dislike: 0

http://asecuritysite.com/encryption/elli

Channel: MIT OpenCourseWare & Total View: 15516

Add Date: March 4, 2016, 2:13 pm & Duration: 01:21:51

Likes: 105 | Dislike: 2

MIT 6.046J Design and Analysis of Algorithms, Spring 2015

View the complete course: http://ocw.mit.edu/6-046JS15

Instructor: Erik Demaine

In this lecture, Professor Demaine reviews hashing in the context of randomized algorithms.

License: Creative Commons BY-NC-SA

More information at http://ocw.mit.edu/terms

More courses at http://ocw.mit.edu

Channel: TEDx Talks & Total View: 10148

Add Date: September 30, 2013, 2:24 pm & Duration: 00:16:31

Likes: 107 | Dislike: 0

(Sous-titres en français bientôt disponibles)

Amid today's debate on electronic surveillance and the ongoing Arab Spring protests, this young 22 year old Montreal hacktivist founded Cryptocat, a free, accessible, and open source encrypted chat application. His mission: make private communication on the web available to all.

Dans le contexte du printemps arabe et des enjeux de surveillance électronique, ce jeune cybertactiviste montréalais a fondé à l'âge 22 ans Cryptocat: un logiciel de conversation protégé par cryptographie simple à utiliser, gratuit et à code source ouvert. Sa mission: rendre accessible à tous la communication privée sur le web.

https://twitter.com/kaepora

https://crypto.cat/

For more information, please visit http://tedmontreal.com/

Introduction motion animation by: http://www.departement.ca/

In the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED-like experience. At a TEDx event, TEDTalks video and live speakers combine to spark deep discussion and connection in a small group. These local, self-organized events are branded TEDx, where x = independently organized TED event. The TED Conference provides...

Channel: Sunny Classroom & Total View: 1123

Add Date: June 21, 2017, 2:32 pm & Duration: 00:06:53

Likes: 19 | Dislike: 1

There are many hash algorithms, such as MD 4, MD5 (Message Digest family), SHA-1, SHA-256 (Secure Hash Algorithm family), RipeMD, tiger, whirlpool, just to name a few.

You can see I can hack many passwords easily by using some websites. It is slow but it works. You may ask “ is it how cyber criminals do?”

“probably not!”, but the principle is the same: they use their pre-generated candidate digest database to compare with stolen digest database. Once they match, they find the password.

The only difference is they have more sophisticated ways and methods. “What are they?” is another story in anther video.

This is my education channel. My topics cover networking, security, cyber threats and defense, and other computer-related materials.

Please subscribe my channel.

My main entertaining channel:

SunnySunKansas at

http://www.youtube.com/user/sunnysunkansas

Channel: Zariga Tongy & Total View: 123816

Add Date: January 20, 2014, 10:26 am & Duration: 00:11:06

Likes: 306 | Dislike: 264

https://8gwifi.org/CipherFunctions.jsp

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.

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Channel: Tom Scott & Total View: 812340

Add Date: July 3, 2017, 8:00 am & Duration: 00:11:11

Likes: 46131 | Dislike: 561

Encryption backdoors - breaking WhatsApp and iMessage's security to let the government stop Bad Things - sounds like a reasonable idea. Here's why it isn't.

A transcript of this video's available here: https://www.facebook.com/notes/tom-scott/why-the-government-shouldnt-break-whatsapp/1378434365572557/

CREDITS:

Filmed at the Cambridge Centre for Computing History: http://www.computinghistory.org.uk/

Camera by Tomek: https://www.youtube.com/tomek

Thanks to everyone who helped proofread my script!

REFERENCES:

WhatsApp's privacy protections questioned after terror attack: http://www.bbc.co.uk/news/technology-39405178

WhatsApp must be accessible to authorities, says Amber Rudd: https://www.theguardian.com/technology/2017/mar/26/intelligence-services-access-whatsapp-amber-rudd-westminster-attack-encrypted-messaging

UK government renews calls for WhatsApp backdoor after London attack: https://www.theverge.com/2017/3/27/15070744/encryption-whatsapp-backdoor-uk-london-attacks

Investigatory Powers Act: http://www.legislation.gov.uk/ukpga/2016/25/contents/enacted

India is 'ready to use' Blackberry message intercept system:...

Channel: intrigano & Total View: 946

Add Date: August 31, 2016, 3:28 am & Duration: 00:19:39

Likes: 11 | Dislike: 0

cryptography - Pseudorandom Functions and Block Ciphers

Channel: Skill Gurukul & Total View: 144102

Add Date: September 7, 2013, 9:02 pm & Duration: 00:05:03

Likes: 593 | Dislike: 92

Enroll to Full Course: https://goo.gl/liK0Oq

Networks#4: The video explains the RSA Algorithm (public key encryption) Concept and Example along with the steps to generate the public and private keys. The video also provides a simple example on how to calculate the keys and how to encrypt and decrypt the messages.

For more, visit http://www.EngineeringMentor.com.

FaceBook: https://www.facebook.com/EngineeringMentor.

Twitter: https://www.twitter.com/Engi_Mentor

Channel: Mohamed Elsherif & Total View: 1631

Add Date: October 1, 2016, 12:47 pm & Duration: 01:40:46

Likes: 73 | Dislike: 0

http://www.askdeveloper.com/2017/01/cryptography.html

Information Security

1. Introduction

○ Security by obscurity

§ Steganography

□ Hiding data inside another form of data, like using non-used bits in image to hide a message

§ Cool, but not practical.

§ Disadvantages

◊ Algorithm secrecy vs. key secrecy

○ Cryptography is everywhere and yet if done right, you can barely see it.

○ Goals:

§ Confidentiality

□ Secrets stay secret.

§ Integrity

□ Data is not tampered with.

§ Non-Repudiation

□ No party can deny sending messages.

§ Authentication

□ Each party can ensure that the sender is what they expect.

○ Cryptography

§ Hashing

§ Encryption

§ Signing

§ Protocols

○ Random Number Generators

§ Extremely important, almost all encryption/hashing strength is affected by how random the random number generator is.

§ Don't use simple random number, use a cryptographic random number generator with a sophisticated source of entropy.

§ Pseudorandom number generator

§ Dual_EC_DRBG random generator backdoor

2. Body

○ Hashing...

Channel: pankaj gandhi & Total View: 64583

Add Date: March 24, 2014, 11:27 am & Duration: 01:39:41

Likes: 242 | Dislike: 9

The topic is extremely important for all high end exams like Infosys, Elitmus, SNAP, XAT and Maths Olympiads

Channel: Til Til & Total View: 137

Add Date: August 18, 2017, 5:32 am & Duration: 00:00:46

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Sha 1 is a revision published in 1994; It also described ansi the cryptographic hash algorithm family of. Wikipedia wiki secure_hash_algorithms url? Q webcache. Government standards agency national institute of and technology ''6 jun 2016the sha 1 hash encryption algorithm specifies a secure algorithm, which can be used to generate condensed representation message called algorithms are fundament many cryptographic applications. A hash function is a mathematical that converts secure hashing algorithm 1, or sha was developed in 1993 by the u. Although widely associated with digital signature technology, the hash algorithm has a secure (sha), developed by nist, along nsa, for use standard (dss) is specified within 23 feb 2017 google's vast cloud computing infrastructure was harnessed to demonstrate that it possible crack 1 abstract purpose of this document make sha (secure 1) conveniently available internet community 30 oct 2015 (short algorithm) one several cryptographic functions. What is sha 1? Lifewire. Federal information processing standard (fips), including sha 1 a 160 bit hash function which resembles the earlier md5 algorithm in cryptography, (secure 1) is cryptographic designed by united states national security agency and u. The cryptographic hash algorithm family nist...

Channel: TheIACR & Total View: 1073

Add Date: October 9, 2011, 10:42 pm & Duration: 00:17:52

Likes: 1 | Dislike: 0

Jian Guo, Thomas Peyrin, and Axel Poschmann

Institute for Infocomm Research, Singapore; Nanyang Technological University, Singapore; and Nanyang Technological University, Singapore

Abstract. RFID security is currently one of the major challenges cryptography has to face, often solved by protocols assuming that an ontag hash function is available. In this article we present the PHOTON lightweight hash-function family, available in many dierent avors and suitable for extremely constrained devices such as passive RFID tags. Our proposal uses a sponge-like construction as domain extension algorithm and an AES-like primitive as internal unkeyed permutation. This allows us to obtain the most compact hash function known so far (about 1120 GE for 64-bit collision resistance security), reaching areas very close to the theoretical optimum (derived from the minimal internal state memory size). Moreover, the speed achieved by PHOTON also compares quite favorably to its competitors. This is mostly due to the fact that unlike for previously proposed schemes, our proposal is very simple to analyze and one can derive tight AES-like bounds on the number of active Sboxes. This kind of AES-like primitive is usually not well suited for ultra constrained environments, but we describe in...

Channel: W Conradie & Total View: 1905

Add Date: June 12, 2014, 7:33 am & Duration: 00:09:25

Likes: 10 | Dislike: 0

We decode a message using the RSA cryptography system used in the previous video.

Channel: secappdev.org & Total View: 2721

Add Date: July 27, 2013, 8:18 am & Duration: 01:41:25

Likes: 8 | Dislike: 0

Application architects need to make informed choices to use cryptography well:

+ Alternative key architectures have their merits and drawbacks. PKIs, in particular, should be contrasted with symmetric key architectures such as Kerberos.

+ Network protocol characteristics are pivotal in ensuring distributed applications meet security requirements. Key strength choices impact on security guarantees offered, as do cryptographic algorithm modes.

+ While strong keys and wise use of cryptographic algorithms may thwart cryptanalytic attack, applications are insecure without prudent key management. In this context, key generation and key storage require particular attention.

+ The selection of crypto-libraries requires awareness of inherent library qualities and failures. Application developers are advised not to implement their own.

Learning objectives

+ decide if and when cryptography should be used.

+ make informed key architecture and management decisions.

+ use appropriate algorithms and parameters.

+ select an appropriate cryptographic library.

+ choose network protocols for distributed applications.

This lecture was delivered by Bart Preneel at SecAppDev 2013 in Leuven, Belgium.

Professor Bart...

Channel: Web and Database Programming & Total View: 17168

Add Date: February 3, 2014, 1:31 pm & Duration: 00:07:52

Likes: 148 | Dislike: 5

Creating Ciphers can be fun, but understanding how they work by using a simple example of developing a cipher is a great way to understand them. This video covers the development of a cipher algorithm and shows how to make it (nearly) unbreakable.

Channel: Мария Кислова & Total View: 1

Add Date: February 6, 2018, 8:54 pm & Duration: 00:00:50

Likes: 0 | Dislike: 0

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Channel: RSA Conference & Total View: 15727

Add Date: May 8, 2014, 3:39 pm & Duration: 00:47:12

Likes: 151 | Dislike: 23

Jason Geffner, Senior Security Researcher, CrowdStrike, Inc.

Select malware families have used Domain Generating Algorithms (DGAs) over the past few years in an effort to evade analysts' abilities to predict attackers' control servers. This presentation demonstrates end-to-end analysis of a DGA malware family, from binary deobfuscation to DGA analysis, to sinkholing, to domain registrant research, to attribution of the malware's author and accomplices.

Channel: Lernvideos und Vorträge & Total View: 1628

Add Date: May 13, 2014, 12:37 pm & Duration: 01:18:01

Likes: 1 | Dislike: 0

More about MAC and hash functions for authentication and Introduction to public key cryptography in this IT Lecture.

Public-key cryptography, also known as asymmetric cryptography, is a class of cryptographic algorithms which require two separate keys, one of which is secret (or private) and one of which is public.

http://en.wikipedia.org/wiki/Public-key_cryptography

This video was made by another YouTube user and made available for the use under the Creative Commons licence "CC-BY". His channel can be found here:

https://www.youtube.com/user/StevesLectures

Channel: element14 & Total View: 710

Add Date: July 10, 2011, 6:41 am & Duration: 00:11:16

Likes: 2 | Dislike: 0

http://www.farnell.com/atmel/ The Atmel CryptoAuthentication™ family of solutions offers product designers an extremely cost-effective hardware authentication capability in a wide variety of space-conscious packages. CryptoAuthentication ICs can securely validate a wide variety of physical or logical elements in virtually any microprocessor-based system. The device family supports the latest algorithms approved by cryptographic experts and governments around the world. These include algorithms like Secure Hash Algorithm (SHA-256) and Advanced Encryption Standard (AES). World class protection is ensured with hardware security fortifications like full active metal shields, multiple tamper detection schemes, internal encryption, and many other features designed to thwart the most determined attacks.

To view this and other solutions from Atmel please choose your location and view the fantastic range of Atmel products on offer from Farnell at http://www.farnell.com/atmel/

Channel: Top Crypro & Forex & Total View: 0

Add Date: February 10, 2018, 7:07 am & Duration: 00:01:37

Likes: 0 | Dislike: 0

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Channel: Cryptography deciphered & Total View: 63691

Add Date: April 11, 2014, 2:50 pm & Duration: 00:17:22

Likes: 147 | Dislike: 76

[AES] Advanced Encryption Standard Algorithm

Channel: W Conradie & Total View: 47205

Add Date: June 12, 2014, 7:33 am & Duration: 00:12:43

Likes: 126 | Dislike: 11

We construct a small RSA cryptography system using basic number theoretic results, including linear congruences, Euler's function and Euler's Theorem.

Channel: Алина Тернова & Total View: 0

Add Date: January 30, 2018, 7:23 pm & Duration: 00:03:02

Likes: 0 | Dislike: 0

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Channel: Professor Messer & Total View: 35997

Add Date: September 22, 2014, 8:48 pm & Duration: 00:07:04

Likes: 93 | Dislike: 3

Security+ Training Course Index: http://professormesser.link/sy0401

Professor Messer’s Course Notes: http://professormesser.link/sy0401cn

Frequently Asked Questions: http://professormesser.link/faq

- - - - -

There are many hash functions for many different circumstances. In this video, you’ll learn about MD5, SHA, RIPEMD, and HMAC hash functions.

- - - - -

Download entire video course: http://professormesser.link/401adyt

Get the course on MP3 audio: http://professormesser.link/401vdyt

Subscribe to get the latest videos: http://professormesser.link/yt

Calendar of live events: http://www.professormesser.com/calendar/

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Channel: All About Testing & Total View: 309

Add Date: December 12, 2017, 9:08 am & Duration: 00:05:01

Likes: 1 | Dislike: 0

In this video, following topics covered:

1. Hash Function

2. SHA family

3. SHA-1

4. Sha-2

Website: http://www.allabouttesting.org

Please share and subscribe this video

Disclaimer: This video is for educational purpose only.

Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.

Channel: Dazza Greenwood & Total View:

Add Date: January 30, 2013, 10:58 am & Duration: 00:40:26

Likes: 6 | Dislike: 0

MIT Hack-a-Thon: Jan 30: Lightweight Crypto and Use Cases for the Digital Age

Channel: 3Blue1Brown & Total View: 1731114

Add Date: July 7, 2017, 9:51 am & Duration: 00:26:21

Likes: 57724 | Dislike: 503

Bitcoin explained from the viewpoint of inventing your own cryptocurrency.

These in-depth videos are made possible by patreon: https://patreon.com/3blue1brown

Protocol Labs: https://protocol.ai/

Interested in contributing? https://protocol.ai/join/

Special thanks to the following patrons: http://3b1b.co/btc-thanks

Some people have asked if this channel accepts contributions in cryptocurrency form as an alternative to Patreon. As you might guess, the answer is yes :). Here are the relevant addresses:

ETH: 0x88Fd7a2e9e0E616a5610B8BE5d5090DC6Bd55c25

BTC: 1DV4dhXEVhGELmDnRppADyMcyZgGHnCNJ

LTC: LNPY2HEWv8igGckwKrYPbh9yD28XH3sm32

Supplement video: https://youtu.be/S9JGmA5_unY

Music by Vincent Rubinetti: https://soundcloud.com/vincerubinetti/heartbeat

Here are a few other resources I'd recommend:

Original Bitcoin paper: https://bitcoin.org/bitcoin.pdf

Block explorer: https://blockexplorer.com/

Blog post by Michael Nielsen: https://goo.gl/BW1RV3

(This is particularly good for understanding the details of what transactions look like, which is something this video did not cover)

Video by CuriousInventor: https://youtu.be/Lx9zgZCMqXE

Video...

Channel: Real Forex & Crypto & Total View: 0

Add Date: February 10, 2018, 7:12 am & Duration: 00:00:31

Likes: 0 | Dislike: 0

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Channel: HorstGoertzInstitute & Total View: 578

Add Date: May 4, 2016, 8:14 am & Duration: 01:06:18

Likes: 3 | Dislike: 0

Henri Gilbert | On White Box Cryptography

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