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Digital Signature - Asymmetric Key , Why used for Authentication & Non Repudiation (Hindi)
 
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Digital Signature - Asymmetric Key Cryptography, Why used for Authentication and Non Repudiation (Hindi) Keywords: Digital Signature Asymmetric Encryption Authentication Non Repudiation
Digital Signatures
 
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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: 62117 Udacity
What is NONREPUDIATION? What does NONREPUDIATION mean? NONREPUDIATION meaning & explanation
 
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What is NONREPUDIATION? What does NONREPUDIATION mean? NONREPUDIATION meaning - NONREPUDIATION pronunciation - NONREPUDIATION definition - NONREPUDIATION explanation - How to pronounce NONREPUDIATION? Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license. SUBSCRIBE to our Google Earth flights channel - https://www.youtube.com/channel/UC6UuCPh7GrXznZi0Hz2YQnQ Non-repudiation refers to a state of affairs where the author of a statement will not be able to successfully challenge the authorship of the statement or validity of an associated contract. The term is often seen in a legal setting wherein the authenticity of a signature is being challenged. In such an instance, the authenticity is being "repudiated". In a general sense non-repudiation involves associating actions or changes to a unique individual. For a secure area, for example, it may be desirable to implement a key card access system. Non-repudiation would be violated if it were not also a strictly enforced policy to prohibit sharing of the key cards and to immediately report lost or stolen cards. Otherwise determining who performed the action of opening the door cannot be trivially determined. Similarly, for computer accounts, the individual owner of the account must not allow others to use that account, especially, for instance, by giving away their account's password, and a policy should be implemented to enforce this. This prevents the owner of the account from denying actions performed by the account. Regarding digital security, the cryptological meaning and application of non-repudiation shifts to mean: A service that provides proof of the integrity and origin of data. An authentication that can be asserted to be genuine with high assurance. Proof of data integrity is typically the easiest of these requirements to accomplish. A data hash, such as SHA2, is usually sufficient to establish that the likelihood of data being undetectably changed is extremely low. Even with this safeguard, it is still possible to tamper with data in transit, either through a man-in-the-middle attack or phishing. Due to this flaw, data integrity is best asserted when the recipient already possesses the necessary verification information. The most common method of asserting the digital origin of data is through digital certificates, a form of public key infrastructure to which digital signatures belong. Note that the public key scheme is not used for encryption in this form; i.e. the goal is not to achieve confidentiality, since a message signed with a private key can be read by anyone using the public key. Verifying the digital origin means that the certified/signed data can be, with reasonable certainty, trusted to be from somebody who possesses the private key corresponding to the signing certificate. If the key is not properly safeguarded by the original owner, digital forgery can become a major concern. The ways in which a party may attempt to repudiate a signature present a challenge to the trustworthiness of the signatures themselves. The standard approach to mitigating these risks is to involve a trusted third party. The two most common TTPs are forensic analysts and notaries. A forensic analyst specializing in handwriting can look at a signature, compare it to a known valid signature, and make a reasonable assessment of the legitimacy of the first signature. A notary provides a witness whose job is to verify the identity of an individual by checking other credentials and affixing their certification that the party signing is who they claim to be. Further, a notary provides the extra benefit of maintaining independent logs of their transactions, complete with the type of credential checked and another signature that can independently be verified by the preceding forensic analyst. For this double security, notaries are the preferred form of verification. On the digital side, the only TTP is the repository for public key certificates. This provides the recipient with the ability to verify the origin of an item even if no direct exchange of the public information has ever been made. The digital signature, however, is forensically identical in both legitimate and forged uses - if someone possesses the private key they can create a "real" signature. The protection of the private key is the idea behind the United States Department of Defense's Common Access Card (CAC), which never allows the key to leave the card and therefore necessitates the possession of the card in addition to the personal identification number (PIN) code necessary to unlock the card for permission to use it for encryption and digital signatures.
Views: 5292 The Audiopedia
Digital Envelopes
 
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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: 3969 Udacity
Digital Signature in Hindi
 
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This Tutorial Explain What is Digital Signature in Hindi. A Digital Signature in Hindi (not to be confused with a digital certificate) is a mathematical technique used to validate the authenticity and integrity of a message, software or digital document. It Covers Points like digital signature in cryptography in hindi, digital signature in network security and digital signature in dbms(advance database management system) Digital Signature Use Asymatric Key to Encrypt Data. Digital signatures are often used to implement electronic signatures, a broader term that refers to any electronic data that carries the intent of a signature How digital signatures work Digital signatures are based on public key cryptography, also known as asymmetric cryptography. Using a public key algorithm such as RSA, one can generate two keys that are mathematically linked: one private and one public. To create a digital signature, signing software (such as an email program) creates a one-way hash of the electronic data to be signed. The private key is then used to encrypt the hash. The encrypted hash -- along with other information, such as the hashing algorithm -- is the digital signature. The reason for encrypting the hash instead of the entire message or document is that a hash function can convert an arbitrary input into a fixed length value, which is usually much shorter. This saves time since hashing is much faster than signing. Subscribe my Channel: https://goo.gl/FYkHc5 Reference Link: https://en.wikipedia.org/wiki/Digital_signature
Views: 9091 Introtuts
Secure Hashing and Digital Signatures
 
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Embedded System Software Tutorial: Cryptography Prof. Phil Koopman, Carnegie Mellon University For slides, see: https://users.ece.cmu.edu/~koopman/lectures/
Views: 47 Phil Koopman
NETWORK SECURITY - PGP (E-MAIL SECURITY)
 
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PGP - PRETTY GOOD PRIVACY THIS IS ONE OF THE EMAIL SECURITY MECHANISM PGP SERVICES 1. AUTHENTICATION WITH DIGITAL SIGNATURE 2. CONFIDENTIALITY 3. EMAIL COMPATABILITY 4. ZIP OR COMPRESSION FUNCTION.
NETWORK SECURITY - DIGITAL SIGNATURE ALGORITHM (DSA)
 
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Digital Signature : If the Sender Private key is used at encryption then it is called digital signature. This digital Signature is implemented two approaches 1) RSA Approach 2) DSS Approach.
Cryptography and Steganography(BCA, MCA)
 
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In this video Renu Pareek explains What is STEGANOGRAPHY? What does STEGANOGRAPHY mean? STEGANOGRAPHY meaning & explanation Thanks for watching and commenting. If you like our video you can Subscribe Our Youtube Channel here https://www.youtube.com/user/gurukpobiyanicollege?sub_confirmation=1 And You can also Subscribe to our Biyani TV Channel for quality videos about Fashion Lifestyle, Current affairs and many useful topics https://www.youtube.com/channel/UC50P... Gurukpo.com is the fastest growing educational web portal where all kind of academic information/Notes are available free of cost. For more details visit http://www.gurukpo.com These Videos are produced by Biyani Group of Colleges Jaipur, a fastest growing girls college in India. Visit http://www.biyanicolleges.org Share, Support, Subscribe!!! Subscribe: https://goo.gl/3gBszC Youtube: https://goo.gl/cjbbuL Twitter: https://twitter.com/drsanjaybiyani Facebook: https://www.facebook.com/drsanjaybiyani/ Instagram: https://www.instagram.com/prof.sanjay... Website : http://www.sanjaybiyani.com http://www.biyanitimes.com
Views: 6931 Guru Kpo
Digital Signature | Blockchain
 
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In this video we will discuss: Digital signature Encryption and decryption Achieving Confidentiality and authentication using a digital signature #blockchain #digital signature Editing Monitors : https://amzn.to/2RfKWgL https://amzn.to/2Q665JW https://amzn.to/2OUP21a. Check out our website: http://www.telusko.com Follow Telusko on Twitter: https://twitter.com/navinreddy20 Follow on Facebook: Telusko : https://www.facebook.com/teluskolearn... Navin Reddy : https://www.facebook.com/navintelusko Follow Navin Reddy on Instagram: https://www.instagram.com/navinreddy20 Subscribe to our other channel: Navin Reddy : https://www.youtube.com/channel/UCxmk... Telusko Hindi : https://www.youtube.com/channel/UCitz... Donation: PayPal Id : navinreddy20 Patreon : navinreddy20 http://www.telusko.com/contactus
Views: 9124 Telusko
Digital Signatures and Digital Certificates
 
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This video explains the purpose of digital signatures and how they work. It begins by reviewing encryption and decryption using an asymmetric pair of keys, and then explains the significance of this when it comes to digital signatures, namely that it doesn’t matter which of the key pair is made public and which is kept private. The video then illustrates the digital signing process. Specifically, the creation of a hash value for the document (also known as a digest) using a hash algorithm such as SHA256 (which was created by the National Security Agency). It shows how document digest is then encrypted using the sender’s private key before being attached to the document. When the document is received, the recipient decrypts the digest using the sender’s public key. The recipient also recalculates the hash. If the hash values match, the recipient can be confident that document has not been tampered with in transit. The role of a certification authority is also covered. A certification authority issues its customer with a special file called a digital certificate which binds their public key to identifying information. This video also mentions the importance of digital signatures which it comes to cryptocurrencies. A cryptocurrency such as Bitcoin requires a secure mechanism for updating its decentralised ledger.
Views: 831 Computer Science
eSecurity: Symmetric Key Encryption
 
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https://asecuritysite.com/esecurity/unit02
Views: 246 Bill Buchanan OBE
Cryptography Algorithm | Secure Your data and files in hindi
 
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Cryptography or cryptology (from Ancient Greek: κρυπτός, translit. kryptós "hidden, secret"; and γράφειν graphein, "to write", or -λογία -logia, "study", respectively[1]) is the practice and study of techniques for secure communication in the presence of third parties called adversaries.[2] More generally, cryptography is about constructing and analyzing protocols that prevent third parties or the public from reading private messages;[3] various aspects in information security such as data confidentiality, data integrity, authentication, and non-repudiation[4] are central to modern cryptography. Modern cryptography exists at the intersection of the disciplines of mathematics, computer science, electrical engineering, communication science, and physics. Applications of cryptography include electronic commerce, chip-based payment cards, digital currencies, computer passwords, and military communications. follow our blogs follow on facebook
Views: 159 Cyber Yodha
NETWORK SECURITY - SECURE ELECTRONIC TRANSACTION(SET) - PART 1
 
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SET - Secure Electronic Transaction How the data is protected in the electronic transaction. SET SERVICES 1.CONFIDENTIALITY 2.INTEGRITY 3.CARD HOLDER AUTHENTICATION 4.MERCHANT AUTHENTICATION SET PARTICIPANTS 1.CARD HOLDER 2.MERCHANT 3.ISSUER 4.AQUIRER 5.CERTIFICATE AUTHORITY 6.PAYMENT GATEWAY SET TRANSACTIONS 1.PURCHASE REQUEST 2.PAYMENT AUTHORIZATION 3.PAYMENT CAPTURE.
RSA Algorithm with solved example using extended euclidean algorithm | CSS series #7
 
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#rsa #deffiehellman #cryptographylectures #lastmomenttuitions Take the Full Course of Cryptography and Network Security What we Provide 1) 20 Videos (Index is given down) + More Update will be Coming Before final exams 2)Hand made Notes with problems for your to practice 3)Strategy to Score Good Marks in Cryptography and Network Scurity To buy the course click https://goo.gl/mpbaK3 if you have any query email us at [email protected] Sample Notes : https://goo.gl/Ze1FpX or Fill the form we will contact you https://goo.gl/forms/2SO5NAhqFnjOiWvi2 Cryptography and System Security Index Lecture 1 Introduction to Cryptography and Security System Lecture 2 Security Goals and Mechanism Lecture 3 Symmetric Cipher Lecture 4 Substitution Cipher Lecture 5 Transposition Cipher Lecture 6 Stream and Block Cipher Lecture 7 Mono Alphabetic Cipher Lecture 8 Poly Alphabetic Cipher Lecture 9 Diffie Hellman Lecture 10 RSA Algorithm with Solved Example Lecture 11 IDEA Algorithm Full Working Lecture 12 SHA-1 Algorithm Full Working Lecture 13 Blowfish Algorithm Full working Lecture 14 DES Algorithm Full Working Lecture 15 Confusion and Diffusion Lecture 16 AES Algorithm Full working Lecture 17 Kerberos Lecture 18 Malicious Software ( Virus and worms ) Lecture 19 DOS and DDOS Attack Lecture 20 Digital Signature Full working Explained More videos Coming Soon.
Views: 316169 Last moment tuitions
Secure Electronic Transaction  Part 1
 
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Learn and understand Secure Electronic Transaction protocol and its working, need, key features, various participants.
Views: 6933 DrVikasThada
What is Encryption? Public Key Encryption? Explained in Detail
 
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Namaskaar Dosto, is video mein maine aapko encryption ke baare mein bataya hai, aap sabhi ne computer aur internet use karte time Encryption aur decryption ke baare mein jarur suna hoga, usme aapko SSL encrytpion TSL Encryption, Public Key encryption, private key encryption wagereh ke baare mein bhi suna hoga, aur abhi recently whatsapp ne bhi end to end encryption launch kiya hai, toh aise mein hamare man mein bahut se sawaal hai ki aakhir yeh encryption hota kya hai? Encryption hum hamari email pe bhi use karte hai, aur hum online banking karte time bhi encryption ka use karte hai. Mujhe umeed hai ki yeh video dekhne ke baad aap encryption aur decryption ke baare mein sab kuch jaan jayenge, aur saath hi saath public key encryption ke baare mein bhi samajh jayenge. aur aap aaraam se whatsapp ke encryption feature ko bhi use kar payenge. Win Galaxy S7, S7 Edge Here: http://bit.ly/TheMegaGiveaway Share, Support, Subscribe!!! Subscribe: http://bit.ly/1Wfsvt4 Youtube: http://www.youtube.com/c/TechnicalGuruji Twitter: http://www.twitter.com/technicalguruji Facebook: http://www.facebook.com/technicalguruji Instagram: http://instagram.com/technicalguruji Google Plus: https://plus.google.com/+TechnicalGuruji About : Technical Guruji is a YouTube Channel, where you will find technological videos in Hindi, New Video is Posted Everyday :)
Views: 204033 Technical Guruji
Cryptography
 
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Cryptography is the practice and study of techniques for secure communication in the presence of third parties . More generally, it is about constructing and analyzing protocols that overcome the influence of adversaries and which are related to various aspects in information security such as data confidentiality, data integrity, authentication, and non-repudiation. Modern cryptography intersects the disciplines of mathematics, computer science, and electrical engineering. Applications of cryptography include ATM cards, computer passwords, and electronic commerce. This video targeted to blind users. Attribution: Article text available under CC-BY-SA Creative Commons image source in video
Views: 244 encyclopediacc
RSA Algorithm with solved Example | e-Commerce
 
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RSA Algorithm with solved Example | e-Commerce RSA is an algorithm used by modern computers to encrypt and decrypt messages. It is an asymmetric cryptographic algorithm. Asymmetric means that there are two different keys. This is also called public key cryptography, because one of the keys can be given to anyone. The other key must be kept private. Since this is asymmetric, nobody else except browser can decrypt the data even if a third party has public key of browser. I. Choose two distinct prime numbers p and q. II. Find n such that n = pq. n will be used as the modulus for both the public and private keys. III. Find the totient of n, ϕ(n) ϕ(n)=(p-1)(q-1). IV. Choose an e such that ϕ(n) share no divisors other than 1 (e and ϕ(n) are relatively prime). e is kept as the public key exponent. V. Determine d (using modular arithmetic) which satisfies the congruence relation de ≡ 1 (mod ϕ(n)). In other words, pick d such that de - 1 can be evenly divided by (p-1)(q-1), the totient, or ϕ(n). This is often computed using the Extended Euclidean Algorithm, since e and ϕ(n) are relatively prime and d is to be the modular multiplicative inverse of e. d is kept as the private key exponent. The public key has modulus n and the public (or encryption) exponent e. The private key has modulus n and the private (or decryption) exponent d, which is kept secret. #BikkiMahato The best part is: it is all completely free! ------------------------------------------------------------------------------ Follow :) Youtube: https://www.youtube.com/c/BikkiMahato Facebook: https://www.facebook.com/mahatobikki Facebook Page:https://www.facebook.com/youtubebikki Twitter:https://twitter.com/mahato_bikki Instagram:https://www.instagram.com/bikkimahato Google+:https://plus.google.com/u/0/+BikkiMahato Blogger:https://bikkimahato.blogspot.in Pinterest:https://in.pinterest.com/bikkimahato123/ LinkedIn:https://www.linkedin.com/in/bikkimahato ------------------------------------------------------------------------------ Support :) Tez : 8100147475 Paytm : 8100147475 PhonePe : 8100147475 Patreon : https://www.patreon.com/bikkimahato Instamojo : https://www.instamojo.com/@bikkimahato Paypal : https://www.paypal.me/bikkimahato ------------------------------------------------------------------------------ Send me letters! 30/2/C Dharmatala Road Belur-Howrah-711202 West Bengal,India
Views: 101 Bikki Mahato
What is Encryption and Decryption ? | Concept Explained (in Hindi)
 
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In this video we will discuss about encryption and decryption. How these things works and why we need these. Watch the full video to know more about this topic. Like the video and please share with your friends. Subscribe to my channel for more video like this and to support my effort. Catch me on Social Networking Websites Like my Facebook Page: https://www.facebook.com/technicalsagarindia Twitter: https://twitter.com/iamasagar
Views: 127306 Technical Sagar
19.1 Cryptography
 
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And this is Module19 – Cryptography, Section 19.1 - Introduction to Cryptography Cryptography is study of secure communication that prevent third parties or the public from reading private messages. Cryptography means ‘hidden’ ‘writing’ and its features: – Cryptography is synonymous with encryption, the conversion of readable information to non-readable (Ciphertext) format. Decryption is the reverse process. – Cryptography takes care of data confidentiality, integrity, authentication and non-repudiation. – Applications include e-commerce, payment cards, DRM etc. – Cryptography is a technique of transforming and transmitting confidential data in an encoded way so that only authorized and intended users can obtain or work on it. – Cryptanalysis is process of breaking the work of cryptography. – Cryptology is the study of cryptography and cryptanalysis both. In cryptography, a cipher or Code is an algorithm for performing encryption or decryption. Modern encryption methods can be divided by two criteria: – by type of key used – by type of input data Classical Ciphers: Ciphers written hard using simple substitutions of a letter code or a word. – 20th century, electro-mechanical machines were invented to do encryption and decryption using transposition, polyalphabetic substitution. – Secret communication requirement is there since age and methods vary as per need of the times. – Symmetric key algorithms (Private-key cryptography), where the same key is used for encryption and decryption. – Asymmetric key algorithms (Public-key cryptography), where two different keys are used for encryption and decryption. By type of input data – Block ciphers, which encrypt block of data of fixed size – Stream ciphers, which encrypt continuous streams of data Symmetric key algorithm – In symmetric key algorithms same key is used for encryption and decryption. (e.g., DES and AES) – The sender and receiver must have a shared key in advance exchanged secretly. – Symmetric-key cryptography refers to encryption methods in which both the sender and receiver share the same key. – Symmetric key ciphers are implemented as either block ciphers or stream ciphers. – A block cipher enciphers input in blocks of plaintext as opposed to individual characters, the input form used by a stream cipher. – Data Encryption Standard (DES) and the Advanced Encryption Standard (AES) are block cipher designs. In asymmetric key algorithms two different keys are used for encryption and decryption. (e.g. RSA) There are two separate keys: – a public key is published and enables any sender to perform encryption – a private key is kept secret by the receiver and can be used to perform decryption. Asymmetric systems - RSA (Rivest-Shamir-Adleman) - ECC (Elliptic Curve Cryptography) Symmetric systems - AES (Advanced Encryption Standard) - DES (Data Encryption Standard) Cryptographic hash functions are a third type of cryptographic algorithm. – They take a message of any length as input, and output a short, fixed length hash, which can be used in a digital signature. – MD5 is widely used hashing. – SHA series is more secure than MD5. SHA-2 improves SHA1 – 2012 - NIST announced that Keccak would be the new SHA-3 hash algorithm. – Cryptographic hash functions are used to verify the authenticity of data retrieved from a source.
Views: 62 CBTUniversity
Digital Signature
 
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Subject:Computer Science Paper: Cryptography and network
Views: 5485 Vidya-mitra
Why cryptography and information Security course
 
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www.hiteshChoudhary.com www.newdemy.com Cryptography What is cryptography? Cryptography (or cryptology; from Greek κρυπτός, "hidden, secret"; and γράφειν, graphein, "writing", or -λογία, -logia, "study", respectively) is the practice and study of techniques for secure communication in the presence of third parties (called adversaries).More generally, it is about constructing and analyzing protocols that overcome the influence of adversaries and which are related to various aspects in information security such as data confidentiality, data integrity, authentication, and non-repudiation. Modern cryptography intersects the disciplines of mathematics, computer science, and electrical engineering. Applications of cryptography include ATM cards, computer passwords, and electronic commerce. Yeah, I know that you have read the above lines many times. These are perfectly true jargons. It’s just something like our brain is made of 80% of water, technically true but it doesn’t explain things much. When I tried to study Cryptography, it was tough. When anyone wants to learn HTML, he can find a lots of resources on internet but when things come to Cryptography you need to buy a lots of books and watch a lots of youtube videos which contains an annoying background music. A lots of blog are also helpful but all are fragmented. So, I decided that it is a good time to put Cryptography course. The course will be beginners friendly and will teach you a lot of things about Information Security. This series is not meant for 2 communities of people over the internet. 1. Not bothered about Computer Security 2. True Computer professional [Advanced programmers and crypto masters] The category one does not fit into any computer security course as information security comes at very last in their priority list. Hence, most of the time they are the practice playgrounds for most of the hackers. The category two has moved into the immense knowledge of information security. And they know all the stuff or most of the present stuff about it. So, they will feel bore in this series because they are the inventor of most of the stuff. Rest of the people are going to love this cryptography online video series. The candidates for which I am looking to take this cryptography course are: 1. University Students 2. Hackers a. Fretos : The freshers b. Practos: The practical ones University Students will be interested in this course as most of the Universities have curriculum of Cryptography. The second category is of hackers but I have divided them into 2 major categories. First one is Fretos, these are fresher in information security and are trying to learn stuff. It is a good time for them to start this series because you will understand terms like MITM, RSA, MD5 and DSA. Second category is hackers who have learned most of the things practically. Personally, I am very impressed that you have gained so much of knowledge. You might have knowledge about hacking into various accounts and systems or even knowledge of creating exploits. But ask a simple question to yourself, you are a pro in hacking skills but have no idea about RSA or Block ciphers. You know to break WEP in wireless but no idea of WEP encryption or cryptic flaw in algorithm. I hope that you have got my point. So, let’s get started.
Views: 3757 Hitesh Choudhary
What is Encryption [Hindi]
 
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Friends is video m hum Crytography,Encryption,Decryption,Symmetric key,Asymmetric key,Public key,Private key,Plain text and Cipher text kya hote hai in sb k bare main charcha krne wale hai or janne wale hai ki ye kya hote hai kaise ye kaam krte hai or in k kya kya fayde hai or sath hi hum ye bhi janenge ki Android Phone ko kaise encrypt kiya ja sakta hai toh is video ko End tak dekhen. I hope Aapko ye video Pasand aayegi Please Like,Share and SUBSCRIBE #JAI BHARAT It's My Passion Facebook :-https://www.facebook.com/TechnicalChoro Twitter:-https://twitter.com/TechnicalChoro Google+:-https://plus.google.com/b/114386885239188983906
Views: 24675 Technical Choro
How Do Digital Signatures Work?
 
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In this video, I will be showing you how digital signatures are generated and how they help in establishing non-repudiation.
Views: 175754 Fasih Khatib
Security goals and mechanism | CSS series #2
 
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Take the Full Course of Cryptography and Network Security What we Provide 1) 20 Videos (Index is given down) + More Update will be Coming Before final exams 2)Hand made Notes with problems for your to practice 3)Strategy to Score Good Marks in Cryptography and Network Scurity To buy the course click https://goo.gl/mpbaK3 if you have any query email us at [email protected] Sample Notes : https://goo.gl/Ze1FpX or Fill the form we will contact you https://goo.gl/forms/2SO5NAhqFnjOiWvi2 Cryptography and System Security Index Lecture 1 Introduction to Cryptography and Security System Lecture 2 Security Goals and Mechanism Lecture 3 Symmetric Cipher Lecture 4 Substitution Cipher Lecture 5 Transposition Cipher Lecture 6 Stream and Block Cipher Lecture 7 Mono Alphabetic Cipher Lecture 8 Poly Alphabetic Cipher Lecture 9 Diffie Hellman Lecture 10 RSA Algorithm with Solved Example Lecture 11 IDEA Algorithm Full Working Lecture 12 SHA-1 Algorithm Full Working Lecture 13 Blowfish Algorithm Full working Lecture 14 DES Algorithm Full Working Lecture 15 Confusion and Diffusion Lecture 16 AES Algorithm Full working Lecture 17 Kerberos Lecture 18 Malicious Software ( Virus and worms ) Lecture 19 DOS and DDOS Attack Lecture 20 Digital Signature Full working Explained More videos Coming Soon.
Views: 76325 Last moment tuitions
Cryptography Inroduction in HINDI | Imp for UGC NET and GATE | Computer Networks
 
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Introduction to cryptography in network security. Various Encryption and Decryption Algorithms ------------------------------------------------------------------------------------------------- ► Subscribe to me on YouTube-https://www.youtube.com/gatesmashers ► Like Our page on Facebook - https://www.facebook.com/gatesmashers/ ► Link for Computer Networks Playlist- https://www.youtube.com/playlist?list=PLxCzCOWd7aiGFBD2-2joCpWOLUrDLvVV_ ► Link for Operating System Playlist- https://www.youtube.com/playlist?list=PLxCzCOWd7aiGz9donHRrE9I3Mwn6XdP8p ► Link for Database Management System Playlist- https://www.youtube.com/playlist?list=PLxCzCOWd7aiFAN6I8CuViBuCdJgiOkT2Y ► Link for Graph Theory Playlist- https://www.youtube.com/playlist?list=PLxCzCOWd7aiG0M5FqjyoqB20Edk0tyzVt ► Last Minutes Preparation for UGC NET and GATE Playlist- https://www.youtube.com/playlist?list=PLxCzCOWd7aiE4LQMkIhAe9amWX_SPNMiZ For any Query and Suggestions- [email protected] ------------------------------------------------------------------------------------------------- #Cryptography #Encryption #Decryption #GATE #UGCNET #PSU
Views: 28810 Gate Smashers
RSA Cryptosystem Algorithm (Public Key Algorithm) in Hindi with Example
 
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RSA Cryptosystem Algorithm (Public Key Algorithm) in Hindi with Example Like FB Page - https://www.facebook.com/Easy-Engineering-Classes-346838485669475/ Complete Data Structure Videos - https://www.youtube.com/playlist?list=PLV8vIYTIdSna11Vc54-abg33JtVZiiMfg Complete Java Programming Lectures - https://www.youtube.com/playlist?list=PLV8vIYTIdSnbL_fSaqiYpPh-KwNCavjIr Previous Years Solved Questions of Java - https://www.youtube.com/playlist?list=PLV8vIYTIdSnajIVnIOOJTNdLT-TqiOjUu Complete DBMS Video Lectures - https://www.youtube.com/playlist?list=PLV8vIYTIdSnYZjtUDQ5-9siMc2d8YeoB4 Previous Year Solved DBMS Questions - https://www.youtube.com/playlist?list=PLV8vIYTIdSnaPiMXU2bmuo3SWjNUykbg6 SQL Programming Tutorials - https://www.youtube.com/playlist?list=PLV8vIYTIdSnb7av5opUF2p3Xv9CLwOfbq PL-SQL Programming Tutorials - https://www.youtube.com/playlist?list=PLV8vIYTIdSnadFpRMvtA260-3-jkIDFaG Control System Complete Lectures - https://www.youtube.com/playlist?list=PLV8vIYTIdSnbvRNepz74GGafF-777qYw4
Views: 131298 Easy Engineering Classes
[Hindi] What is Cryptography ? | Kya hai cryptography ? | Explained in simple words
 
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Hello Dosto Aaj hum baat karenge cryptography ke bare me ki ye kya hota hai aur iska itemaal kaise aur kaha hota hai. iska sambandh kisi bhi data ya message ko safely pohchane se hota hai aur uski security badhayi jati hai taaki bich me koi an-adhikarik tarike se usko access na kar paye. aasha karta hoo apko ye video pasand ayegi agar aapko ye video achhi lage to isse like kare aur apne dosto ke sath share kare aur abhi tak aapne mera channel subscribe nahi kia hai to jarur is channel ko subscribe kare. Subscribe to my channel for more videos like this and to support my efforts. Thanks and Love #TechnicalSagar LIKE | COMMENT | SHARE | SUBSCRIBE ---------------------------------------------------------------------------------- For all updates : SUBSCRIBE Us on Technical Sagar : www.youtube.com/technicalsagarindia LIKE us on Facebook https://www.facebook.com/technicalsagarindia Follow us on Twitter : http://www.twitter.com/iamasagar
Views: 102247 Technical Sagar
Message Digest and Digital Signature   Cryptographic Hash Function
 
09:04
In this playlist you will learn about the following topics Protocols, Layered Model Network components Uses of networks Traceroute and socket API Protocols and layering Reference models (Internet, OSI) History of the internet Physical and Direct Link Layer Simple link models (latency, bandwidth-delay product) Media and signals Modulation schemes (baseband, passband) Fundamental limits (Shannon) Framing Error detection schemes (checksum, CRC) Error correction schemes (Hamming) Retransmissions, Multiple access, Switching Retransmissions (ARQ) Multiplexing schemes (TDM. FDM) Random access / Ethernet (CSMA family) Wireless access / 802.11 Contention-free access / Token Ring LAN switching (switches vs. hubs, spanning tree, backward learning) Network Layer and Internetworking Datagram and virtual circuit models (IP, MPLS) IP addressing and forwarding (prefixes, longest matching prefix) IP helpers: ARP, DHCP Internetworking (fragmentation, path MTU discovery, ICMP) IPv4 and IPv6 Network Address Translation (NAT) Routing Shortest cost routing model Dijkstra's algorithm Flooding Distance Vector and Link-state Equal-cost multi-path routing Hierarchical routing (prefixes, aggregation, subnets) Multiple parties and policy (BGP) Transport Layer, Reliable Transport Sockets, ports and service APIs Reliable and unreliable delivery (TCP, UDP) Connection establishment and teardown Flow control and sliding windows Retransmission timeouts Congestion Control Fairness and Efficiency Additive Increase Multiplicative Decrease (AIMD) TCP congestion control (slow start, fast retransmission and recovery) Congestion avoidance (ECN) Web and Content Distribution Naming (DNS) Web protocols (HTTP, caching) Content Distribution Networks (CDNs) Peer-to-Peer (BitTorrent) Quality of Service and Real-Time Apps Streaming media and Conferencing Scheduling disciplines (FIFO, WFQ) Traffic shaping with Token Buckets Differentiated Services Rate and Delay Guarantees Optional: Network Security Encryption for Confidentiality and Authenticity Web security (SSL, DNSSEC) Wireless security (802.11i) Firewalls and Virtual Private Networks (VPNs) Distributed Denial of Service (DDOS) Computer Networks 1 OSI Model in Networking OSI model layers and their function (L1) 2 IP Address Basics: Classful Addressing dotted decimal notation 3 IP Address: Network ID and Host ID Network Mask 4 IP Address Subnet Supernet subnetmask 5 Classless IP Addressing: Subnet Mask, subnet block size, network address 6 Block Allocation of IP address Create subnets from block of IP address 7 Introduction to Interconnecting Devices: REPEATERS HUBS BRIDGE SWITCHES ROUTERS 8 VLAN: Virtual Lan concepts VLAN TRUNK and Switches 9 Address Resolution Protocol (ARP) and Reverse ARP explained Animated 10 Medium Access Control: Aloha and Slotted Aloha Protocol 11 Carrier Sense Multiple Access Protocol CSMA 12 CSMA/CD (Carrier Sense Multiple Access/ Collision Detection) 13 Network Address Translation (NAT) 14 Dynamic Host Configuration Protocol (DHCP) 15 Circuit Switching vs Packet Switching 16 Virtual Circuit Network Virtual Circuit switching 17 Domain Name Server (DNS) Name Server DNS how dns works 18 Internet Control Message Protocol (ICMP) ICMP protocol tutorial part 1 19 Internet Control Message Protocol (ICMP) : Error Message (Part 2) 20 Stop and Wait Protocol Stop and Wair ARQ Stop and Wait Flow control 21 GO BACK N ARQ Protocol Go back N sliding window 22 SELECTIVE REPEAT ARQ selective repeat sliding window protocol 23 Authentication Protocol Man In Middle Attack Replay Attack Nonce 24 Introduction to Public Key Cryptography Public Key Cryptography animation 25 Introduction to Digital Signature Public Key cryptography 26 RSA Algorithm and public key encryption rivest shamir adleman algorithm 27 Message Digest and Digital Signature Cryptographic Hash Function 28 Certification Authority (CA) Digital Certificate 29 Secure EMail How To Public Private Key Encryption Secure E-Mail PGP
Views: 300 Vijay S
Digital Signature Full concept + 3 love story in Hindi | Cryptography and Network security  lectures
 
18:53
Take the Full Course of Cryptography and Network Security What we Provide 1) 20 Videos (Index is given down) + More Update will be Coming Before final exams 2)Hand made Notes with problems for your to practice 3)Strategy to Score Good Marks in Cryptography and Network Scurity To buy the course click https://goo.gl/mpbaK3 if you have any query email us at [email protected] Sample Notes : https://goo.gl/Ze1FpX or Fill the form we will contact you https://goo.gl/forms/2SO5NAhqFnjOiWvi2 Cryptography and System Security Index Lecture 1 Introduction to Cryptography and Security System Lecture 2 Security Goals and Mechanism Lecture 3 Symmetric Cipher Lecture 4 Substitution Cipher Lecture 5 Transposition Cipher Lecture 6 Stream and Block Cipher Lecture 7 Mono Alphabetic Cipher Lecture 8 Poly Alphabetic Cipher Lecture 9 Diffie Hellman Lecture 10 RSA Algorithm with Solved Example Lecture 11 IDEA Algorithm Full Working Lecture 12 SHA-1 Algorithm Full Working Lecture 13 Blowfish Algorithm Full working Lecture 14 DES Algorithm Full Working Lecture 15 Confusion and Diffusion Lecture 16 AES Algorithm Full working Lecture 17 Kerberos Lecture 18 Malicious Software ( Virus and worms ) Lecture 19 DOS and DDOS Attack Lecture 20 Digital Signature Full working Explained More videos Coming Soon.
Views: 30565 Last moment tuitions
Cryptography Pros and Cons of Symmetric Cryptography
 
07:38
Pros and Cons of Symmetric Cryptography As we wrap up our lesson on Symmetric Cryptography, we must address the pros and cons of this encryption method. You’ll discuss its greatest pro—speed. But as we know, sometimes being too fast occurs at a cost. Those costs will be discussed when we cover the cons of Symmetric Cryptography, such as Out of Band Key Distribution, lack of authenticity, issues with integrity, and non-repudiation. Knowing what the boundaries are with your encryption resources will enable you to make accurate decisions and advise decision-makers with specific points of fact. For more updates : Subscribe Cybrary.it Here : https://goo.gl/rjJhWe LIKE | COMMENT | SHARE | SUBSCRIBE ----------------------------------------------------------------------------------
Views: 37 cybrary
Difference between Public key and Private key  Cryptography(Part 2)
 
06:14
This channel is all about crypto currency education so watch, understand and get benefit of upcoming revolution.....
Views: 726 Dream Big
what is cryptography and network security
 
02:31
It is a mono-alphabetic cipher wherein each letter of the plaintext is substituted by another letter to form the ciphertext. It is a simplest form of substitution cipher scheme Modern cryptography uses sophisticated mathematical equations (algorithms) and secret keys to encrypt and decrypt data. Today, cryptography is used to provide secrecy and integrity to our data, and both authentication and anonymity to our communications. Network security attacks and services https://youtu.be/-ZHWhaLInik What is network security explained in minutes https://youtu.be/vqavFou2oxk Predefined functions in PHP https://youtu.be/ewmWqm2H-AA Cryptography or cryptology (from Greek κρυπτός kryptós, "hidden, secret"; and γράφειν graphein, "to write", or -λογία -logia, "study", respectively[1]) is the practice and study of techniques for secure communication in the presence of third parties called adversaries.[2] More generally, cryptography is about constructing and analyzing protocols that prevent third parties or the public from reading private messages;[3] various aspects in information security such as data confidentiality, data integrity, authentication, and non-repudiation[4] are central to modern cryptography. Modern cryptography exists at the intersection of the disciplines of mathematics, computer science, electrical engineering, communication science, and physics. Applications of cryptography include electronic commerce, chip-based payment cards, digital currencies, computer passwords, and military communications. Cryptography prior to the modern age was effectively synonymous with encryption, the conversion of information from a readable state to apparent nonsense. The originator of an encrypted message shared the decoding technique needed to recover the original information only with intended recipients, thereby precluding unwanted persons from doing the same. The cryptography literature often uses the name Alice ("A") for the sender, Bob ("B") for the intended recipient, and Eve ("eavesdropper") for the adversary.[5] Since the development of rotor cipher machines in World War I and the advent of computers in World War II, the methods used to carry out cryptology have become increasingly complex and its application more widespread. Modern cryptography is heavily based on mathematical theory and computer science practice; cryptographic algorithms are designed around computational hardness assumptions, making such algorithms hard to break in practice by any adversary. It is theoretically possible to break such a system, but it is infeasible to do so by any known practical means. These schemes are therefore termed computationally secure; theoretical advances, e.g., improvements in integer factorization algorithms, and faster computing technology require these solutions to be continually adapted. There exist information-theoretically secure schemes that probably cannot be broken even with unlimited computing power—an example is the one-time pad—but these schemes are more difficult to implement than the best theoretically breakable but computationally secure mechanisms. The growth of cryptographic technology has raised a number of legal issues in the information age. Cryptography's potential for use as a tool for espionage and sedition has led many governments to classify it as a weapon and to limit or even prohibit its use and export.[6] In some jurisdictions where the use of cryptography is legal, laws permit investigators to compel the disclosure of encryption keys for documents relevant to an investigation.[7][8] Cryptography also plays a major role in digital rights management and copyright infringement of digital media.[9] -~-~~-~~~-~~-~- Please watch: "How to buy a domain name from GoDaddy 2019" https://www.youtube.com/watch?v=ULV2vE1Ptio How to make a calling app in android https://www.youtube.com/watch?v=8VHRLWDmaHo How to create drawing android app in mit app inventor 2 https://www.youtube.com/watch?v=FimKlZH6Lkg How to make android calculator app using mit app https://www.youtube.com/watch?v=W39tJVxbvSM How to upload android app in google play store https://www.youtube.com/watch?v=KIPf9pBi89k how to create camera app in mit app inventor 2 https://www.youtube.com/watch?v=o-bYys8v9g4 How to create first android app in mit app inventor https://www.youtube.com/watch?v=pZWdFEzCZP0 -~-~~-~~~-~~-~-
Views: 456 The Coding Bus
Digital Signatures Explained - Keep your's Safe!!!
 
06:08
Namaskaar Dosto, maine is video mein aapse Digital Signatures ke baare mein baat ki hai, aap sabhi ne bahut baar inke baare mein suna hoga, daily life mein toh aap sabhi signatures ko use karte hai, but Digital Signatures ekdum alag concept hai aur kaafi important bhi hai. Mujhe umeed hai ki aapko Digital Signatures ke baare mein yeh video pasand aayega. Share, Support, Subscribe!!! Subscribe: http://bit.ly/1Wfsvt4 Youtube: http://www.youtube.com/c/TechnicalGuruji Twitter: http://www.twitter.com/technicalguruji Facebook: http://www.facebook.com/technicalguruji Facebook Myself: https://goo.gl/zUfbUU Instagram: http://instagram.com/technicalguruji Google Plus: https://plus.google.com/+TechnicalGuruji About : Technical Guruji is a YouTube Channel, where you will find technological videos in Hindi, New Video is Posted Everyday :)
Views: 266218 Technical Guruji
NETWORK SECURITY - SECURE ELECTRONIC TRANSACTION (SET) - PART 2
 
25:44
SET - Secure Electronic Transaction How the data is protected in the electronic transaction. SET SERVICES 1.CONFIDENTIALITY 2.INTEGRITY 3.CARD HOLDER AUTHENTICATION 4.MERCHANT AUTHENTICATION SET PARTICIPANTS 1.CARD HOLDER 2.MERCHANT 3.ISSUER 4.AQUIRER 5.CERTIFICATE AUTHORITY 6.PAYMENT GATEWAY SET TRANSACTIONS 1.PURCHASE REQUEST 2.PAYMENT AUTHORIZATION 3.PAYMENT CAPTURE.
Cryptography Android App
 
01:59
✴ Cryptography is about constructing and analyzing protocols that prevent third parties or the public from reading private messages; various aspects in information security such as data confidentiality, data integrity, authentication, and non-repudiation are central to modern cryptography. Modern cryptography exists at the intersection of the disciplines of mathematics, computer science, electrical engineering, communication science, and physics. Applications of cryptography include electronic commerce, chip-based payment cards, digital currencies, computer passwords, and military communications.✴ https://play.google.com/store/apps/details?id=in.softecks.cryptography ► This App is meant for students of computer science who aspire to learn the basics of cryptography. It will be useful for networking professionals as well who would like to incorporate various cryptographic algorithms to ensure secure data communication over their networks.✦ 【Topics Covered in this App are Listed Below】 ⇢ Origin of Cryptography ⇢ Modern Cryptography ⇢ Cryptosystems ⇢ Attacks On Cryptosystems ⇢ Traditional Ciphers ⇢ Modern Symmetric Key Encryption ⇢ Block Cipher ⇢ Feistel Block Cipher ⇢ Data Encryption Standard ⇢ Triple DES ⇢ Advanced Encryption Standard ⇢ Block Cipher Modes of Operation ⇢ Public Key Encryption ⇢ Data Integrity in Cryptography ⇢ Cryptography Hash functions ⇢ Message Authentication ⇢ Cryptography Digital signatures ⇢ Public Key Infrastructure ⇢ Cryptography Benefits & Drawbacks
Views: 340 10 Up's.!
DIGITAL SIGNATURES IN FEW MINUTES / WITH SPECIAL PRICES / DISCOUNT / OFFER
 
11:12
TAGS : DIGITAL SIGNATURES, digital signature, what is digital signature, digital, encryption, signature, cryptography, what is digital signature in hindi, non-repudiation, digital certificate, digital signature in hindi, private key, public key, explained, digital signature in hindi pdf, digital signature in hindi csc, what is digital signature certificate india, digital signature pdf, what is digital signatures in hindi, introduction to digital signature in hindi, pdf, public-key cryptography, how to get digital signature, ca, what is digital signatures, lectures, education, hash, digest, digital signature online, digital signature download, free digital signature, authentication, confidentiality, security services, maghnani, class 3, data structure, file, dst, digital signature your document, digital signature file, digital signature pdf file, digital signature document, english, ankit, walia, yt:stretch=16:9, digital signature algorithm, certificate, root, algorithm, authority, intermediate, advantages, disadvantages, self, signed, hierarchy, learn, for, beginners, digital signatures explained, easy, digital signature in cryptography, engineers, computer, computer_security, software, introduction, quick, basic, simple, best, how, tutorial, electronic, programming interview, function, model, message, signatures, asymmetric crypto function, key pair, security, cryptography (software genre), chirag, akhani, bei, bhavesh, rajani, sunil, amlani, naveen, software interview, ipcc, final, cpt, isca, classes, bangalore, bhagwati, institute, audit, control, systems, information, ipu, uptu, sunnyclassroom, sunny classroom, cybersecurity, cyber threats, wi-fi threats, networking+, technology, sunny, digitally signed document, hash function, public key encryption, private key encryption, sundeep, saradhi, kanthety, network security, information security, access control, how to, authorization, your, integrity, unauthorized access, document, mechanisms, decryption, gaining access, attacks, class 2, resources, permissions, sender, receiver, computer network, computer security, data security, dsa algorithm, dss approach, global key, signature components, paar, lecture, message integrity, legal help hindi, law, awareness, indian law, hindi, legalhelpinhindi, डिजिटल सिग्नेचर क्या होते हैं | what is digital signature | uses of digital signature, डिजिटल सिग्नेचर क्या होते हैं, uses of digital signature, digital signature ke fayde, electronic signature kya hai, digital sign kese banate hai, digital signature ka process, digital signature ke liye kaha apply kare, as informer, digital signature kaise banaye, digital signature for gst, digital signature process, how to apply digital signature, dsc certificate, signatr, signatar, signachar, raj ajwalia, digitally signing a document, how to create an e-signature, what is digital encryption, 128 bit encryption, ssl, technicalguruji, technical guruji, digital signature hindi, algorithm digital signature, dss, rsa in digital signature, ins, well academy -~-~~-~~~-~~-~- Please watch: "DIGITAL SIGNATURE / PHONE VERIFICATION PROCESS/ HOW COMPLETE PHONE VERIFICATION IN DIGITAL SIGNATURE" https://www.youtube.com/watch?v=3--SzO2j2Pg -~-~~-~~~-~~-~-
Views: 181 AGOS (e) Shop
L14: Digital Signature in Cyber Security | Symmetric Key | Asymmetric Key| Public Key Cryptography
 
18:08
Join My official Whatsapp group by the following link https://chat.whatsapp.com/F9XFi6QYFYOGA9JGw4gc1o L14: Digital Signature in Cyber Security | Symmetric Key | Asymmetric Key| Public Key Cryptography Namaskar, In the Today's lecture i will cover Digital Signature and Public Key Cryptography of subject Cyber Security which is one of the Important subjects of professional courses. I am Sandeep Vishwakarma (www.universityacademy.in) from Raj Kumar Goel Institute of Technology Ghaziabad. I have started a YouTube Channel Namely “University Academy” Teaching Training and Informative. On This channel am providing following services. 1 . Teaching: Video Lecture of B.Tech./ M.Tech. Technical Subject who provide you deep knowledge of particular subject. Compiler Design: https://www.youtube.com/playlist?list=PL-JvKqQx2Ate5DWhppx-MUOtGNA4S3spT Principle of Programming Language: https://www.youtube.com/playlist?list=PL-JvKqQx2AtdIkEFDrqsHyKWzb5PWniI1 Theory of Automata and Formal Language: https://www.youtube.com/playlist?list=PL-JvKqQx2AtdhlS7j6jFoEnxmUEEsH9KH 2. Training: Video Playlist of Some software course like Android, Hadoop, Big Data, IoT, R programming, Python, C programming, Java etc. Android App Development: https://www.youtube.com/playlist?list=PL-JvKqQx2AtdBj8aS-3WCVgfQ3LJFiqIr 3. Informative: On this Section we provide video on deep knowledge of upcoming technology, Innovation, tech news and other informative. Tech News: https://www.youtube.com/playlist?list=PL-JvKqQx2AtdFG5kMueyK5DZvGzG615ks Other: https://www.youtube.com/playlist?list=PL-JvKqQx2AtfQWfBddeH_zVp2fK4V5orf Download You Can Download All Video Lecture, Lecture Notes, Lab Manuals and Many More from my Website: http://www.universityacademy.in/ Regards University Academy UniversityAcademy Website: http://www.universityacademy.in/ YouTube: https://www.youtube.com/c/UniversityAcademy Facebook: https://www.facebook.com/UniversityAcademyOfficial Twitter https://twitter.com/UniAcadofficial Instagram https://www.instagram.com/universityacademyofficial Google+: https://plus.google.com/+UniversityAcademy
Views: 1144 University Academy
Secure Payment System – SET, Online Commerce environment, Benefits - ECMC Hindi Lectures
 
07:24
Secure Payment System – SET, Online Commerce environment, Benefits - ECMC Hindi Lectures E-Commerce and M-Commerce Video Lectures in Hindi/English #ECMC Lectures
#1 Symmetric & Asymmetric Encryption | Encryption Techniques | Lecture 6 in Urdu/Hindi
 
06:27
What are Encryption Techniques? What is Symmetric Encryption? What is Asymmetric Encryption? Network Security lectures.
Views: 209 Focus Group
What Is CRYPTOGRAPHY? CRYPTOGRAPHY Definition & Meaning
 
03:52
What is CRYPTOGRAPHY, What does CRYPTOGRAPHY mean, CRYPTOGRAPHY meaning, CRYPTOGRAPHY definition, CRYPTOGRAPHY explanation Cryptography or cryptology (from Ancient Greek: κρυπτός, translit. kryptós "hidden, secret"; and γράφειν graphein, "to write", or -λογία -logia, "study", respectively[1]) is the practice and study of techniques for secure communication in the presence of third parties called adversaries.[2] More generally, cryptography is about constructing and analyzing protocols that prevent third parties or the public from reading private messages;[3] various aspects in information security such as data confidentiality, data integrity, authentication, and non-repudiation[4] are central to modern cryptography. Modern cryptography exists at the intersection of the disciplines of mathematics, computer science, electrical engineering, communication science, and physics. Applications of cryptography include electronic commerce, chip-based payment cards, digital currencies, computer passwords, and military communications. Cryptography prior to the modern age was effectively synonymous with encryption, the conversion of information from a readable state to apparent nonsense. The originator of an encrypted message shared the decoding technique needed to recover the original information only with intended recipients, thereby precluding unwanted persons from doing the same. The cryptography literature often uses the name Alice ("A") for the sender, Bob ("B") for the intended recipient, and Eve ("eavesdropper") for the adversary.[5] Since the development of rotor cipher machines in World War I and the advent of computers in World War II, the methods used to carry out cryptology have become increasingly complex and its application more widespread. Modern cryptography is heavily based on mathematical theory and computer science practice; cryptographic algorithms are designed around computational hardness assumptions, making such algorithms hard to break in practice by any adversary. It is theoretically possible to break such a system, but it is infeasible to do so by any known practical means. These schemes are therefore termed computationally secure; theoretical advances, e.g., improvements in integer factorization algorithms, and faster computing technology require these solutions to be continually adapted. There exist information-theoretically secure schemes that probably cannot be broken even with unlimited computing power—an example is the one-time pad—but these schemes are more difficult to implement than the best theoretically breakable but computationally secure mechanisms. The growth of cryptographic technology has raised a number of legal issues in the information age. Cryptography's potential for use as a tool for espionage and sedition has led many governments to classify it as a weapon and to limit or even prohibit its use and export.[6] In some jurisdictions where the use of cryptography is legal, laws permit investigators to compel the disclosure of encryption keys for documents relevant to an investigation.[7][8] Cryptography also plays a major role in digital rights management and copyright infringement of digital media.[9] Source: Wikipedia.org
Views: 41 Audiopedia
Strong Digital Signatures: The Lamport Advantage
 
09:30
Signing and claiming ownership of data is a basic act in cyber space, especially to approve financial transactions, and verify critical instructions. The prevailing signatures today are based on algorithmic complexity, which is essentially a cryptanalytic minefield - vulnerable to weaponized math. Alternatively, we can rely on lavish use of randomness, and resurrect pre-complexity solutions. The forgotten Lamport signature is attracting new interest.
Views: 2384 Gideon Samid
SET Part 2 : Dual Signature
 
09:10
Understand the concept of Dual Signature and how it is used in Secure Electronic Transaction
Views: 1810 DrVikasThada
Digital Signature | Digital Payment | E-commerce | Mathur Sir Classes
 
02:53
Digital Signature | Digital Payment | E-commerce | Mathur Sir Classes #MathurSirClasses #StudyMaterial If you like this video and wish to support this EDUCATION channel, please contribute via, * Paytm a/c : 9830489610 * Paypal a/c : www.paypal.me/mathursirclasses [Every contribution is helpful] Thanks & All the Best WE NEED YOUR SUPPORT TO GROW UP..SO HELP US!! Hope you guys like this one. If you do, please hit Like!!! Please Share it with your friends! Thank You! Please SUBSCRIBE for more videos. Music - www.bensound.com Video Recording and Editing by - Gyankaksh Educational Institute (9051378712) https://www.youtube.com/channel/UCFzUEzxnRDsbWIA5rnappwQ
Views: 1129 Mathur Sir Classes
IJCIS
 
00:07
International Journal on Cryptography and Information Security ( IJCIS) ISSN :1839-8626 http://wireilla.com/ijcis/index.html Scope & Topics International Journal on Cryptography and Information Security ( IJCIS) is an open access peer reviewed journal that focuses on cutting-edge results in applied cryptography and Information security. It aims to bring together scientists, researchers and students to exchange novel ideas and results in all aspects of cryptography, coding and Information security. Topics of interest include but are not limited to, the following • Cryptographic protocols • Cryptography and Coding • Untraceability • Privacy and authentication • Key management • Authentication • Trust Management • Quantum cryptography • Computational Intelligence in Security • Artificial Immune Systems • Biological & Evolutionary Computation • Intelligent Agents and Systems • Reinforcement & Unsupervised Learning • Autonomy-Oriented Computing • Coevolutionary Algorithms • Fuzzy Systems • Biometric Security • Trust models and metrics • Regulation and Trust Mechanisms • Data Integrity • Models for Authentication, Trust and Authorization • Wireless Network Security • Information Hiding • Data & System Integrity • E- Commerce • Access Control and Intrusion Detection • Intrusion Detection and Vulnerability Assessment • Authentication and Non-repudiation • Identification and Authentication • Insider Threats and Countermeasures • Intrusion Detection & Prevention • Secure Cloud Computing • Security Information Systems Architecture and Design and Security Patterns • Security Management • Security Requirements (threats, vulnerabilities, risk, formal methods, etc.) • Sensor and Mobile Ad Hoc Network Security • Service and Systems Design and QoS Network Security • Software Security • Security and Privacy in Mobile Systems • Security and Privacy in Pervasive/Ubiquitous Computing • Security and Privacy in Web Sevices • Security and Privacy Policies • Security Area Control • Security Deployment • Security Engineering • Security for Grid Computing • Security in Distributed Systems Important Dates • Submission Deadline : April 08, 2018 • Notification : May 08, 2018 • Final Manuscript Due : May 16, 2018 • Publication Date : Determined by the Editor-in-Chief
Views: 8 IJCI Journal
What is a Digital Signature?
 
02:02
This channel introduces the "e-Estonia" - a term commonly used to describe Estonia's emergence as one of the most advanced e-societies in the world. You can learn more about Estonian ICT and technology by watching the videos, visiting our homepage http://e-estonia.com or follow us on FB e-Estonia .You can also book a visit and live demo at Estonian ICT Demo Center in Tallinn and establish business contacts with Estonian ICT companies.
Views: 231257 e-estonia
Information Technology Act 2000 || What is Digital Signature?
 
41:35
To buy Full Course of CS Executive Jurisprudence, Interpretation & General Laws, Click the following link: https://www.instamojo.com/SudhirSachdeva/cs-executive-jurisprudence-interpretation-an/?ref=store Click the following link to Buy My Video Classes https://www.instamojo.com/SudhirSachdeva/?ref=profile_bar Click the following link to buy our video lectures https://www.instamojo.com/SudhirSachdeva/?ref=offer_page What is Digital Signature? What is the Difference Between Digital and Electronic Signature BUY CA COURSES CA (NEW SYLLABUS) CA-INTER-Corporate & Other Laws (Pen Drive+Printed Book) http://bit.ly/CorporateAndOtherLaws1 CA-INTER-Corporate & Other Laws (Download Link+Printed Book) http://bit.ly/CorporateAndOtherLaws2 CA FOUNDATION LAW (Pen Drive + Printed Book) http://bit.ly/CAFoundationLaw1 CA FOUNDATION LAW (Download Link+Printed Book) http://bit.ly/CAFoundationLaw2 CA (OLD SYLLABUS) CA-IPCC Law, Ethics and Communication (Pen Drive + Printed Book) http://bit.ly/LawEthicsAndComm1 CA-IPCC Law, Ethics and Communication (Download Link+ Printed Book) http://bit.ly/LawEthicsAndComm2 CA-CPT MERCANTILE LAW (Pen Drive+Printed Book) http://bit.ly/CPTMercantileLaw1 CA-CPT MERCANTILE LAW (Download Link+Printed Book) http://bit.ly/CPTMercantileLaw2 BUY CS COURSES CS (NEW SYLLABUS) CS Executive-Jurisprudence, Interpretation and General Laws (Pen Drive+Printed Book) http://bit.ly/CSExeJIGL1 CS Exec-Jurisprudence, Interpretation and General Laws (Download Link+Printed Book) http://bit.ly/CSExeJIGL2 CS FOUNDATION LAW (Pen Drive + Printed Book) http://bit.ly/CSFoundationLaw1 CS FOUNDATION LAW (Download Link+Printed Book) http://bit.ly/CSFoundationLaw2 CS (OLD SYLLABUS) CS Exec - Industrial, Labour and General Laws - (Pen Drive+Printed Book) http://bit.ly/CSILGL CS Exec - Industrial, Labour and General Laws - (Download Link+Printed Book) http://bit.ly/CSILGL1 BUY CMA COURSES CMA (NEW SYLLABUS) CMA INTERMEDIATE LAW AND ETHICS (Pen Drive+Printed Book) http://bit.ly/LAWSANDETHICS CMA INTERMEDIATE LAW AND ETHICS (Download Link+Printed Book) http://bit.ly/LawsAndEthics1 CMA FOUNDATION LAWS AND ETHICS (Pen Drive+Printed Book) http://bit.ly/LawsAndEthicsF CMA FOUNDATION LAWS AND ETHICS (Download Link+Printed Book) http://bit.ly/LawsAndEthicsF2
Views: 42340 SUDHIR SACHDEVA
International Journal on Cryptography and Information Security  (IJCIS)
 
00:05
International Journal on Cryptography and Information Security (IJCIS) ISSN:1839-8626 http://wireilla.com/ijcis/index.html Scope & Topics International Journal on Cryptography and Information Security ( IJCIS) is an open access peer reviewed journal that focuses on cutting-edge results in applied cryptography and Information security. It aims to bring together scientists, researchers and students to exchange novel ideas and results in all aspects of cryptography, coding and Information security. Topics of interest include but are not limited to, the following • Cryptographic protocols • Cryptography and Coding • Intractability • Privacy and authentication • Key management • Authentication • Trust Management • Quantum cryptography • Computational Intelligence in Security • Artificial Immune Systems • Biological & Evolutionary Computation • Intelligent Agents and Systems • Reinforcement & Unsupervised Learning • Autonomy-Oriented Computing • Co evolutionary Algorithms • Fuzzy Systems • Biometric Security • Trust models and metrics • Regulation and Trust Mechanisms • Data Integrity • Models for Authentication, Trust and Authorization • Wireless Network Security • Information Hiding • Data & System Integrity • E- Commerce • Access Control and Intrusion Detection • Intrusion Detection and Vulnerability Assessment • Authentication and Non-repudiation • Identification and Authentication • Insider Threats and Countermeasures • Intrusion Detection & Prevention • Secure Cloud Computing • Security Information Systems Architecture and Design and Security Patterns • Security Management • Security Requirements (threats, vulnerabilities, risk, formal methods, etc.) • Sensor and Mobile Ad Hoc Network Security • Service and Systems Design and Quos Network Security • Software Security • Security and Privacy in Mobile Systems • Security and Privacy in Pervasive/Ubiquitous Computing • Security and Privacy in Web Services • Security and Privacy Policies • Security Area Control • Security Deployment • Security Engineering • Security for Grid Computing • Security in Distributed Systems Paper Submission Authors are invited to submit papers for this journal through Submission system. Submissions must be original and should not have been published previously or be under consideration for publication while being evaluated for this Journal. For paper format download the template in this page. Contact Us Here's where you can reach us: [email protected] or [email protected]
Views: 2 aircc journal
The Cryptographic Protocol - what are the techniques of cryptography?
 
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Want to learn more about Cryptocurrency and the Cryptographic Protocols? Watch the video below to see how simple & effective, Bitcoin trading can really be https://goo.gl/q8kdDV .... A protocol is a set of rules. It describes the proper protocol for certain actions and behaviors. David Johnston, the Governor General of Canada, broke protocol when he touched Queen Elizabeth II on the steps of Canada House on Trafalgar Square in London. The Queen was 91 years old at the time and the Governor General touched her arm to protect her from falling on the steps. It is protocol to not touch a member of Britain’s royal family. methods. Specific topics include: 1. Overview of communications channels used in power systems. 2. Review of cryptographic protocols and how they work. 3. How cryptography can impact monitoring, control, and protection communications. 4. Differences between substation communications systems and corporate The confidentiality and integrity protections offered by cryptographic protocols such as SSL/TLS can protect communications from malicious eavesdropping and tampering. Authenticity protections provide assurance that users are actually communicating with the systems as intended. For example, are you sending your Often cryptographic algorithms and protocols are necessary to keep a system secure, particularly when communicating through an untrusted network such as the Internet. Where possible, use cryptographic techniques to authenticate information and keep the information private (but don't assume that simple encryption SUMMARY. This project will focus on research in cryptology at an advanced international level. Project topics will be analysis and construction of symmetric and asymmetric cryptographic algorithms and protocols. In particular we will use our knowledge involving deep techniques from coding theory on cryptological. What is a cryptographic protocol? A cryptographic protocol is a protocol executed by several distant agents through a network where the messages or part of the messages are produced using cryptographic functions (encryption, hashing, etc.). Cryptographic protocols are used for various purpose between the agents:. May 7, 2006 - This is regarded as offensive because of the malicious payload normally embedded in the virus, and because of the use of anti-anti-virus techniques For instance, on networks some layer 2 protocols are based on crypto (WEP, WPA/TKIP, and others), as are some upper layer protocols (IPSec, SSH, SSL, primitives such as commutative encryption. We give a list of some relevant al- gebraic properties of cryptographic operators, and for each of them, we provide examples of protocols or attacks using these properties. We also give an overview of the existing methods in formal approaches for analyzing cryptographic proto-. Using cryptographic techniques, it may be possible to allow intermediate results in a distributed algorithm to be certified independently of who provides them, reducing themes of complexity theory, e.g., interactive provability, average vs. worst-case complexity, and the inherent communication costs of multiparty protocols. Web is an electronic protocol which allows people to communicate mail, information, and commerce through a digital medium. This new method of information exchange has caused a tremendous need for information security. A thorough understanding of cryptography and encryption will help people develop better ways to etc. The analysis techniques discussed in this survey assume per- fect cryptography. This means that cryptographic primitives are considered as black boxes satisfying certain properties, as described in section 2.1. below. This assumption by it- self does not ensure security of the protocols. Even if all cryptographic primitives The Cryptographic Protocol what are the techniques of cryptography types of cryptographic algorithms cryptography methods types of cryptography cryptography examples cryptography algorithms applications of cryptography cryptography basics cryptography computer science #TheCryptographicProtocolwhatarethetechniquesofcryptography #typesofcryptographicalgorithms #cryptographymethods #typesofcryptography #cryptographyexamples #cryptographyalgorithms #applicationsofcryptography #cryptographybasics #cryptographycomputerscience Visit our YouTube channel for more videos on Bitcoin and Cryptocurrency https://www.youtube.com/channel/UCTxqXgVxEGQUIFY_MdRz5ww Also watch: https://www.youtube.com/watch?v=kH6u_CsQddE https://www.youtube.com/watch?v=W4LlCYVP65A This presentation contains images that were used under a Creative Commons License. Click here to see the full list of images and attributions: https://app.contentsamurai.com/cc/107949
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