We will discuss the following: RSA Key generation , RSA Encryption , RSA Decryption , A Real World Example, RSA Security.
https://www.youtube.com/watch?v=x7QWJ13dgGs&list=PLKYmvyjH53q13_6aS4VwgXU0Nb_4sjwuf&index=7
traditional private/secret/single key cryptography uses one key
Key is shared by both sender and receiver
if the key is disclosed communications are compromised
also known as symmetric, both parties are equal
hence does not protect sender from receiver forging a message & claiming is sent by sender
traditional private/secret/single key cryptography uses one key
Key is shared by both sender and receiver
if the key is disclosed communications are compromised
also known as symmetric, both parties are equal
hence does not protect sender from receiver forging a message & claiming is sent by sender
Cryptography is the practice and study of techniques for conveying information security.
The goal of Cryptography is to allow the intended recipients of the message to receive the message securely.
The most famous algorithm used today is RSA algorithm
This presentation is based on the paper :
"A Method for Obtaining Digital Signatures and Public-Key Cryptosystems" by R.L. Rivest, A. Shamir, and L. Adleman
Introduction to Public key Cryptosystems with block diagrams
Reference : Cryptography and Network Security Principles and Practice , Sixth Edition , William Stalling
This presentation contains the contents pertaining to the undergraduate course on Cryptography and Network Security (UITC203) at Sri Ramakrishna Institute of Technology. This covers the ElGamal Cryptosystem.
Public Key Cryptography and RSA algorithmIndra97065
Public Key Cryptography and RSA algorithm.Explanation and proof of RSA algorithm in details.it also describer the mathematics behind the RSA. Few mathematics theorem are given which are use in the RSA algorithm.
This is a Presentation On use of AES Algorithm To Encrypt Or Decrypt a Text File. This Algorithm is the latest and better than DES. It is a Networking Presentation. Thank You.
The Diffie-Hellman algorithm was developed by Whitfield Diffie and Martin Hellman in 1976.
This algorithm was devices not to encrypt the data but to generate same private cryptographic key at both ends so that there is no need to transfer this key from one communication end to another.
Diffie – Hellman algorithm is an algorithm that allows two parties to get the shared secret key using the communication channel, which is not protected from the interception but is protected from modification.
A brief introduction to Crytography,the various types of crytography and the advantages and disadvantages associated to using the following tyes with some part of the RSA algorithm
Algorithms Lecture 3: Analysis of Algorithms IIMohamed Loey
We will discuss the following: Maximum Pairwise Product, Fibonacci, Greatest Common Divisors, Naive algorithm is too slow. The Efficient algorithm is much better. Finding the correct algorithm requires knowing something interesting about the problem
Cryptography is the practice and study of techniques for conveying information security.
The goal of Cryptography is to allow the intended recipients of the message to receive the message securely.
The most famous algorithm used today is RSA algorithm
This presentation is based on the paper :
"A Method for Obtaining Digital Signatures and Public-Key Cryptosystems" by R.L. Rivest, A. Shamir, and L. Adleman
Introduction to Public key Cryptosystems with block diagrams
Reference : Cryptography and Network Security Principles and Practice , Sixth Edition , William Stalling
This presentation contains the contents pertaining to the undergraduate course on Cryptography and Network Security (UITC203) at Sri Ramakrishna Institute of Technology. This covers the ElGamal Cryptosystem.
Public Key Cryptography and RSA algorithmIndra97065
Public Key Cryptography and RSA algorithm.Explanation and proof of RSA algorithm in details.it also describer the mathematics behind the RSA. Few mathematics theorem are given which are use in the RSA algorithm.
This is a Presentation On use of AES Algorithm To Encrypt Or Decrypt a Text File. This Algorithm is the latest and better than DES. It is a Networking Presentation. Thank You.
The Diffie-Hellman algorithm was developed by Whitfield Diffie and Martin Hellman in 1976.
This algorithm was devices not to encrypt the data but to generate same private cryptographic key at both ends so that there is no need to transfer this key from one communication end to another.
Diffie – Hellman algorithm is an algorithm that allows two parties to get the shared secret key using the communication channel, which is not protected from the interception but is protected from modification.
A brief introduction to Crytography,the various types of crytography and the advantages and disadvantages associated to using the following tyes with some part of the RSA algorithm
Algorithms Lecture 3: Analysis of Algorithms IIMohamed Loey
We will discuss the following: Maximum Pairwise Product, Fibonacci, Greatest Common Divisors, Naive algorithm is too slow. The Efficient algorithm is much better. Finding the correct algorithm requires knowing something interesting about the problem
PMP Lecture 1: Introduction to Project ManagementMohamed Loey
https://mloey.github.io/courses/pmp2017.html
https://www.youtube.com/watch?v=XUoEr6kee6k&list=PLKYmvyjH53q13_6aS4VwgXU0Nb_4sjwuf&index=1&t=2s
We will discuss the following: History of Project Management, Project Management, Program Management, Portfolio Management, Project Management Office, PMBOK, PMI.
Deep Learning - Overview of my work IIMohamed Loey
Deep Learning Machine Learning MNIST CIFAR 10 Residual Network AlexNet VGGNet GoogleNet Nvidia Deep learning (DL) is a hierarchical structure network which through simulates the human brain’s structure to extract the internal and external input data’s features
We will discuss the following: Sorting Algorithms, Counting Sort, Radix Sort, Merge Sort.Algorithms, Time Complexity & Space Complexity, Algorithm vs Pseudocode, Some Algorithm Types, Programming Languages, Python, Anaconda.
Sasha Romijn - Everything I always wanted to know about crypto, but never tho...Codemotion
For many years, I had entirely given up on ever understanding the anything about cryptography. However, I’ve since learned it’s not nearly as hard as I thought to understand many of the important concepts. In this talk, I’ll take you through some of the underlying principles of modern applications of cryptography. We’ll talk about our goals, the parts are involved, and how to prevent and understand common vulnerabilities. This’ll help you to make better choices when you implement crypto in your products, and will improve your understanding of how crypto is applied to things you already use.
Public-Key Cryptography.pdfWrite the result of the following operation with t...FahmiOlayah
Write the result of the following operation with the correct number of significant figure of 0.248?Write the result of the following operation with the correct number of signi
Information and network security 33 rsa algorithmVaibhav Khanna
RSA algorithm is asymmetric cryptography algorithm. Asymmetric actually means that it works on two different keys i.e. Public Key and Private Key. As the name describes that the Public Key is given to everyone and Private key is kept private
This is for those student who will not be able to study in books and not for time to create a power point presentation for her semester project and her presentation.
Signyourd digital signature certificate providerKishankant Yadav
a digital code (generated and authenticated by public key encryption) which is attached to an electronically transmitted document to verify its contents and the sender's identity.
This definition explains how digital signatures work and what they are used for. Learn about the mathematical underpinnings of digital signature technology
A digital signature is basically a way to ensure that an electronic document (e-mail, spreadsheet, text file, etc.) is authentic. Authentic means that you know who created the document and you know that it has not been altered in any way since that person created it.
https://signyourdoc.com/
Lecture 4: How it Works: Convolutional Neural NetworksMohamed Loey
We will discuss the following: Filtering, Convolution, Convolution layer, Normalization, Rectified Linear Units, Pooling, Pooling layer, ReLU layer, Deep stacking, Fully connected layer.
We will discuss the following: Deep vs Machine Learning, Superstar Researchers, Superstar Companies, Deep Learning, Deep Learning Requirements, Deep Learning Architectures, Convolution Neural Network, Case studies, LeNet,AlexNet, ZFNet, GoogLeNet, VGGNet, ResNet, ILSVRC, MNIST, CIFAR-10, CNN Optimization , NVIDIA TITAN X.
We will discuss the following: Artificial Neural Network, Perceptron Learning Example, Artificial Neural Network Training Process, Forward propagation, Backpropagation, Classification of Handwritten Digits, Neural Network Zoo.
Design of an Intelligent System for Improving Classification of Cancer DiseasesMohamed Loey
The methodologies that depend on gene expression profile have been able to detect cancer since its inception. The previous works have spent great efforts to reach the best results. Some researchers have achieved excellent results in the classification process of cancer based on the gene expression profile using different gene selection approaches and different classifiers
Early detection of cancer increases the probability of recovery. This thesis presents an intelligent decision support system (IDSS) for early diagnosis of cancer-based on the microarray of gene expression profiles. The problem of this dataset is the little number of examples (not exceed hundreds) comparing to a large number of genes (in thousands). So, it became necessary to find out a method for reducing the features (genes) that are not relevant to the investigated disease to avoid overfitting. The proposed methodology used information gain (IG) for selecting the most important features from the input patterns. Then, the selected features (genes) are reduced by applying the Gray Wolf Optimization algorithm (GWO). Finally, the methodology exercises support vector machine (SVM) for cancer type classification. The proposed methodology was applied to three data sets (breast, colon, and CNS) and was evaluated by the classification accuracy performance measurement, which is most important in the diagnosis of diseases. The best results were gotten when integrating IG with GWO and SVM rating accuracy improved to 96.67% and the number of features was reduced to 32 feature of the CNS dataset.
This thesis investigates several classification algorithms and their suitability to the biological domain. For applications that suffer from high dimensionality, different feature selection methods are considered for illustration and analysis. Moreover, an effective system is proposed. In addition, Experiments were conducted on three benchmark gene expression datasets. The proposed system is assessed and compared with related work performance.
We will discuss the following: Classical Security Methods, AAA, Authentication, Authorization, Accounting, AAA Characteristic, Local Based AAA, Server Based AAA, TACACS+ and RADIUS.
We will discuss the following: CCNAS Overview, Threats Landscape, Hackers Tools, Tools. Kali Linux Parrot Linux Cisco Packet Tracer Wireshark Denial of Service
Distributed DoS
Man In The Middle
Phishing
Vishing
Smishing
Pharming
Sniffer
Password Attack
We will discuss the following: Graph, Directed vs Undirected Graph, Acyclic vs Cyclic Graph, Backedge, Search vs Traversal, Breadth First Traversal, Depth First Traversal, Detect Cycle in a Directed Graph.
Algorithms Lecture 1: Introduction to AlgorithmsMohamed Loey
We will discuss the following: Algorithms, Time Complexity & Space Complexity, Algorithm vs Pseudo code, Some Algorithm Types, Programming Languages, Python, Anaconda.
Computer Security Lecture 4.1: DES Supplementary MaterialMohamed Loey
We will discuss the following: Data Encryption Standard, DES Algorithm, DES Key Creation
https://www.youtube.com/watch?v=1-lF4dePpts&list=PLKYmvyjH53q13_6aS4VwgXU0Nb_4sjwuf
https://mloey.github.io/
We will discuss the following: Develop Project Charter, Develop Project Management Plan, Direct and Manage Project Work, Monitor and Control Project Work, Perform Integrated Change Control, Close Project or Phase.
Computer Security Lecture 4: Block Ciphers and the Data Encryption StandardMohamed Loey
We will discuss the following: Stream Ciphers and Block Ciphers, Data Encryption Standard, DES Algorithm, DES Key Creation, DES Encryption, The Strength Of DES.
https://www.youtube.com/watch?v=1-lF4dePpts&list=PLKYmvyjH53q13_6aS4VwgXU0Nb_4sjwuf
https://mloey.github.io/courses/security2017.html
https://www.youtube.com/watch?v=td_8AM80DUA&list=PLKYmvyjH53q13_6aS4VwgXU0Nb_4sjwuf&index=2&t=37s
We will discuss the following: Symmetric Encryption, Substitution Techniques, Caesar Cipher, Monoalphabetic Cipher, Playfair Cipher, Hill Cipher
https://mloey.github.io/courses/security2017.html
We will discuss the following: Cryptography, Computer Security, OSI Security Architecture, Security Structure Scheme, Key Properties, Symmetric Encryption, Asymmetric Encryption, finally Our Book
Read| The latest issue of The Challenger is here! We are thrilled to announce that our school paper has qualified for the NATIONAL SCHOOLS PRESS CONFERENCE (NSPC) 2024. Thank you for your unwavering support and trust. Dive into the stories that made us stand out!
Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
Andreas Schleicher presents at the OECD webinar ‘Digital devices in schools: detrimental distraction or secret to success?’ on 27 May 2024. The presentation was based on findings from PISA 2022 results and the webinar helped launch the PISA in Focus ‘Managing screen time: How to protect and equip students against distraction’ https://www.oecd-ilibrary.org/education/managing-screen-time_7c225af4-en and the OECD Education Policy Perspective ‘Students, digital devices and success’ can be found here - https://oe.cd/il/5yV
How to Split Bills in the Odoo 17 POS ModuleCeline George
Bills have a main role in point of sale procedure. It will help to track sales, handling payments and giving receipts to customers. Bill splitting also has an important role in POS. For example, If some friends come together for dinner and if they want to divide the bill then it is possible by POS bill splitting. This slide will show how to split bills in odoo 17 POS.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
Palestine last event orientationfvgnh .pptxRaedMohamed3
An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
We all have good and bad thoughts from time to time and situation to situation. We are bombarded daily with spiraling thoughts(both negative and positive) creating all-consuming feel , making us difficult to manage with associated suffering. Good thoughts are like our Mob Signal (Positive thought) amidst noise(negative thought) in the atmosphere. Negative thoughts like noise outweigh positive thoughts. These thoughts often create unwanted confusion, trouble, stress and frustration in our mind as well as chaos in our physical world. Negative thoughts are also known as “distorted thinking”.
The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
For more information, visit-www.vavaclasses.com
4. RSA
RSA is one of the first practical public-key cryptosystems
and is widely used for secure data transmission.
RSA is made of the initial letters of the surnames of Ron
Rivest, Adi Shamir, and Leonard Adleman, who first
publicly described the algorithm in 1977.
5. RSA
RSA is Asymmetric Encryption
Encryption Key Decryption Key
Encrypt Decrypt
$1000 $1000%3f7&4
Two separate
keys which are
not shared
7. RSA
1) Choose two distinct prime numbers 𝒑 and 𝒒
2) Compute 𝒏 = 𝑝 ∗ 𝑞
3) Compute φ(n) = (p - 1) * (q - 1)
4) Choose e such that 1 < e < φ(n) and e and n are prime.
5) Compute a value for d such that (d * e) % φ(n) = 1
Public key is (e, n)
Private key is (d, n)
8. RSA
Choose p = 3 and q = 11
Compute n = p * q = 3 * 11 = 33
Compute φ(n) = (p - 1) * (q - 1) = 2 * 10 = 20
Choose e such that 1 < e < φ(n) and e and n are prime. Let e = 7
Compute a value for d such that (d * e) % φ(n) = 1. One solution is d = 3
[(3 * 7) % 20 = 1]
Public key is (e, n) => (7, 33)
Private key is (d, n) => (3, 33)
15. RSA
Select two prime numbers, p = 17 and q = 11.
Calculate n = pq = 17 * 11 = 187.
Calculate φ (n) = (p - 1)(q - 1) = 16 * 10 = 160.
Select e such that e is relatively prime to φ(n) = 160 and less than φ(n); we
choose e = 7.
Determine d such that d.e = 1 (mod 160) and d < 160. The correct value is d =
23, because 23 * 7 = 161 = (1 * 160) + 1
Public Key= {7, 187} and Private Key = {23, 187}
18. RSA
lets encrypt the message "attack at dawn“
Convert the message into a numeric format. Each
letter is represented by an ASCII character.
"attack at dawn" becomes
1976620216402300889624482718775150
25. RSA
Two approaches to attacking RSA:
brute force key search (infeasible given size of
numbers)
mathematical attacks (based on difficulty of computing
ø(N), by factoring modulus N)