Beaglebone Black Introduction with Architecture and CodeDevanshu Saxena
'Beaglebone Black' a highly useful SOC has been explained in the slides. It's basic Architecture and Connections is discussed too. At the end, a simple LED blinking code is given in order to understand the syntax of Python code used in BBB.
Beaglebone Black Introduction with Architecture and CodeDevanshu Saxena
'Beaglebone Black' a highly useful SOC has been explained in the slides. It's basic Architecture and Connections is discussed too. At the end, a simple LED blinking code is given in order to understand the syntax of Python code used in BBB.
Topic :1.USB Port
2. Firewire Port
3. Bluetooth Port
4. SCSI Port
5. eSATA Port
6. IrDA Port
7. MIDI Port
8. Port Replicator and Docking Station
9. Buses
Topic : 1 For Buying A Personal Computer
2 Parallel Processing
3 Data Representation
Topic:
Expansion Busses
Bays
Power Supply
Keeping Your Computer and Mobile Devices clean
Introduction to arduino :-
Introduction:
1- What is Micro-Controller ?
2- Microcontroller components.
3- What is Arduino ?
4- Types of Arduino.
5- Arduino uno board.
6- Sensors:
- Digital , Analog sensors.
- Light sensors (IR sensor , Photo resistor).
Coding Structure and examples:
1- Data types and operators.
2- What is “Function” ?
3- Control statements (if , if…else , switch case).
4- Loop statements (while , for , do…while).
5- Common functions.
References:
Topic :1.USB Port
2. Firewire Port
3. Bluetooth Port
4. SCSI Port
5. eSATA Port
6. IrDA Port
7. MIDI Port
8. Port Replicator and Docking Station
9. Buses
Topic : 1 For Buying A Personal Computer
2 Parallel Processing
3 Data Representation
Topic:
Expansion Busses
Bays
Power Supply
Keeping Your Computer and Mobile Devices clean
Introduction to arduino :-
Introduction:
1- What is Micro-Controller ?
2- Microcontroller components.
3- What is Arduino ?
4- Types of Arduino.
5- Arduino uno board.
6- Sensors:
- Digital , Analog sensors.
- Light sensors (IR sensor , Photo resistor).
Coding Structure and examples:
1- Data types and operators.
2- What is “Function” ?
3- Control statements (if , if…else , switch case).
4- Loop statements (while , for , do…while).
5- Common functions.
References:
Abstract
There is great research going on in the field of data security nowadays. Protecting information from disclosure and breach is of high importance to users personally and to organizations and businesses around the world, as most of information currently are sensitive electronic information transferred over the internet and stored in cloud based system. In this paper, we propose a method to increase the security of messages transferred on the internet, or information stored in the cloud. Our proposed method mainly relies on the Triple Data Encryption Standard (TDES) algorithm. TDES is intact the Data Encryption Standard repeated three times in succession to encrypt data. TDES is considered highly secure as there is no applicable method to break the code itself without knowing the key. We propose to encrypt the key using Cipher Feedback Block algorithm, before using TDES to encrypt data. Such that even when the key is disclosed, the key itself cannot decipher the ciphered text without enciphering the key with CFB. This introduces a new dimension of security to the TDES algorithm.
The method introduced in this paper increases the security of the TDES algorithm using CFB algorithm by increasing the key security, such that it is actually not possible to decipher the text without prior knowledge and agreement of key and algorithms used.
Keywords: Data Encryption Standard, Triple Data Encryption Algorithm, Cipher Feedback Block.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
A combined approach using triple des and blowfish research areaeSAT Journals
Abstract Payment card fraud is causing billions of dollars in losses for the card payment industry. Besides direct losses, the brand name can be affected by loss of consumer confidence due to the fraud. As a result of these growing losses, financial institutions and card issuers are continually seeking new techniques and innovation in payment card fraud detection and prevention. Credit card fraud falls broadly into two categories: behavioral fraud and application fraud. Credit card transactions continue to grow in number, taking an ever-larger share of the US payment system and leading to a higher rate of stolen account numbers and subsequent losses by banks. Improved fraud detection thus has become essential to maintain the viability of the US payment system. Increasingly, the card not present scenario, such as shopping on the internet poses a greater threat as the merchant (the web site) is no longer protected with advantages of physical verification such as signature check, photo identification, etc. In fact, it is almost impossible to perform any of the ‘physical world’ checks necessary to detect who is at the other end of the transaction. This makes the internet extremely attractive to fraud perpetrators. According to a recent survey, the rate at which internet fraud occurs is 20 to25 times higher than ‘physical world’ fraud. However, recent technical developments are showing some promise to check fraud in the card not present scenario. This paper provides an overview of payment card fraud and begins with payment card statistics and the definition of payment card fraud. It also describes various methods used by identity thieves to obtain personal and financial information for the purpose of payment card fraud. In addition, relationship between payment card fraud detection is provided. Finally, some solutions for detecting payment card fraud are also given. Index Terms: Online Frauds, Fraudsters, card fraud, CNP, CVV, AVS
Enhancement of DES Algorithm with Multi State LogicIJORCS
The principal goal to design any encryption algorithm must be the security against unauthorized access or attacks. Data Encryption Standard algorithm is a symmetric key algorithm and it is used to secure the data. Enhanced DES algorithm works on increasing the key length or complex S-BOX design or increased the number of states in which the information is to be represented or combination of above criteria. By increasing the key length, the number of combinations for key will increase which is hard for the intruder to do the brute force attack. As the S-BOX design will become the complex there will be a good avalanche effect. As the number of states increases in which the information is represented, it is hard for the intruder to crack the actual information. Proposed algorithm replace the predefined XOR operation applied during the 16 round of the standard algorithm by a new operation called “Hash function” depends on using two keys. One key used in “F” function and another key consists of a combination of 16 states (0,1,2…13,14,15) instead of the ordinary 2 state key (0, 1). This replacement adds a new level of protection strength and more robustness against breaking methods.
What is Data Type?
Primitive Types in C#: Integer Types, Floating-Point Types, Decimal Type, Boolean Type, Character Types, Strings, Objects
Value Types and Reference Types
Variables. Using Variables: Declaring, Initializing, Assigning Value, Accessing Value
Literals: The Values of the Variables in the Source Code. Boolean Literals. Integer Literals. Floating-Point Literals, Decimal Literals, String Literals and Escaping Sequences
Exercises: Working with Primitive Types and Variables
A very clear presentation on Crytographic Alogotithms DES and RSA with basic concepts of cryptography. This presented by students of Techno India, Salt Lake.
Performance Analysis of Data Encryption Standard DESijtsrd
Information security is becoming much more important in data storage and transmission with the fast progression of digital data exchange in electronic way. Cryptography has come up as a solution which plays a vital role in information security system against malicious attacks. The cryptography is most important aspect of communications security and becoming an important building block for computer security. This security mechanism uses some algorithms to scramble data into unreadable text which can be only being decoded or decrypted by party those possesses the associated key. To protect sent messages that some of the most commonly used cryptography methods with private key based algorithm are LOKI 89, 91, 97 , DES, triple DES, AES, Blowfish, etc. These algorithms also include several computational issues as well as the analysis of DES algorithm. The main features that specify and differentiate one algorithm from another are the ability to the speed of encryption and decryption of the input plain text. This paper analyzes the private key based algorithm DES and LOKI91 by computing index of coincidence IC and time efficiency. Thida Soe | Soe Soe Mon | Khin Aye Thu "Performance Analysis of Data Encryption Standard (DES)" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5 , August 2019, URL: https://www.ijtsrd.com/papers/ijtsrd26650.pdfPaper URL: https://www.ijtsrd.com/computer-science/computer-security/26650/performance-analysis-of-data-encryption-standard-des/thida-soe
CFD Simulation of By-pass Flow in a HRSG module by R&R Consult.pptxR&R Consult
CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
R&R and Tetra Engineering Group Inc. were asked to solve the issue with reduced steam production.
An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
R&R Consult conducted a CFD analysis, which revealed that 6.3% of the flue gas was bypassing the boiler tubes without transferring heat. The analysis also showed that the flue gas was instead being directed along the sides of the boiler and between the modules that were supposed to capture the heat. This was the cause of the reduced performance.
Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
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Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
2. Contoso
S u i t e s
2
A microcontroller board, contains on-board power supply, USB port to
communicate with PC, and an Atmel microcontroller chip
Arduino:-
It simplify the process of creating any control
system by providing the standard board that
can be programmed and connected to the system
without the need to any sophisticated PCB design
and implementation
It is an open source hardware, any one can
get the details of its design and modify it or
make his own one himself
3. Contoso
S u i t e s
3
Data type:-
Used for declaring variables or functions of different types.
The type of a variable determines how much space it occupies in the storage
and how the bit pattern stored is interpreted
Void
Only in function declarations indicates that the function return no information
EX : Void Loop ( )
{ // rest of the code
}
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S u i t e s
4
Data type:-
Boolean
one of two values, true or false. Each Boolean variable occupies one byte of
memory.
EX : boolean val = false
boolean state = true ;
Char
Takes up one byte of memory
stores a character value
(Char) single quotes ‘A’
(strings) double quotes: "ABC"
EX : Char chr_a = ‘a’
Char chr_c = 97 ;
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S u i t e s
5
Data type:-
unsigned char
unsigned data type that occupies one byte of memory
The unsigned char data type encodes numbers from 0 to 255.
EX :
byte
A byte stores an 8-bit unsigned number, from 0 to 255.
EX :
Unsigned Char chr = 121 ;
byte var = 25 ;
Int
EX : Int var = 50 ; The primary data-type for number storage.
Int stores a 16-bit (2-byte) value ,This yields
a range of -32,768 to 32,767
The int size varies from board to board
int counter = 32
6. Contoso
S u i t e s
6
Data type:-
Unsigned int
store a 2 byte value.
Instead of storing negative numbers,, only store positive values,
yielding a useful range of 0 to 65,535 (2^16) - 1)..
EX : Unsigned int var = 121 ;
Word
EX : Word var = 100 ;
stores a 16-bit unsigned number.
On the Due and Zero, it stores a 32-bit unsigned number
int counter = 32
Long
EX : Long var = 554 ;
store 32 bits (4 bytes), from -2,147,483,648 to
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7
Data type:-
Unsigned Long
Number storage and store 32 bits (4 bytes).
range from 0 to 4,294,967,295 (2^32 - 1).
EX : Unsigned long var = 545 ;
Short
EX : Short var = 82 ;
short is a 16-bit data-type (2-byte) value.
Range from -32,768 to 32,767.
int counter = 32
float
EX : float var = 52.54 ;
Data type for floating-point number is a number that has a decimal point.
used to approximate the analog and continuous values
They are stored as 32 bits (4 bytes) of information.
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S u i t e s
8
Data type:-
Double
Double precision floating-point number occupies four bytes.
exactly the same as the float.
On the Arduino Due, doubles have 8-byte (64 bit) precision.
EX : Double var = 545.21 ;
int counter = 32