Engineering Concepts Tutorials

Engineering Concepts Tutorials for UML, Operations Research, Numerical Methods and many more.

	Title / Author	Replies Views
	Cyclomatic Complexity Calculations ( CC ) Cyclomatic Complexity its a type of white box testing for Structural testing use under reference of code complexity. Facts about why White Box Testing? Most programe coding represents what the program actually dose and not what intended to do. It minimizes delay between defect injection... By alssadi	0 9,249
	MD5 Tutorial ( 1 2) What is MD5 or MD5sum? Its a formula - a way to take a message of an arbitrary length, and create a 128-bit "fingerprint" or "message digest" of the message. MD5 is a way to verify data integrity. On these forums, it comes up fairly often in discussions about storing user passwords and other... By pradeep Last Message By Lulugreen	17 79,185
	Web X.0 The Web has become the most significant technology of the 21st century. The nature and structure of the Web, as well as the way we use it, have been continuously changing. The Web evolution is huge that we have started to place the evolution—past, current, and anticipated—into different stages as... By techexplorer Last Message By Lulugreen	7 5,518
	AMD Fusion - Accelerated Processing Unit (APU), New Era in Computing This is known to all that AMD is the only one competitor of Intel’s market. In this “Dual-Core” era of CPU’s AMD is going to launch their APU or Accelerated Processing Unit in this year. Not only AMD Intel is also working with this architecture and hopefully they will also release their new... By pankaj.sea Last Message By Lulugreen	2 2,479
	How Virtual LANs (VLANS) Work Introduction A VLAN is a grouping of computers that is logically segmented by functions, project teams, or applications without regard to the physical location of users. For example, several end stations might be grouped as a department, such as Engineering or Accounting, having the same... By pradeep Last Message By Lulugreen	3 39,633
	Digital Certificates and Smart Cards Digital certificates are files which are used to prove the authenticity of the user or computer to whom it is issued. It is very similar to an identification proof like passport, driving license or PAN, which gives assurance to the other party that the transaction of information from the... By sbh Last Message By Lulugreen	4 3,323
	Digital Certificate formats and filename extensions In this article, we will learn about the available formats of Digital certificate, their purpose and some of the technical commands used for requesting and issuing the certificates. We shall use OpenSSL, which is an open source toolkit for performing cryptographic operations Common... By sbh Last Message By Lulugreen	2 5,342
	Introduction to Bouncy Castle APIs The Bouncy Castle Crypto APIs is a set of implementations of cryptographic concepts and algorithms. Bouncy Castle APIs are developed in both Java and C#. These APIs can be freely downloaded from the Bouncy Castle home page. Let us have a glance at some of the important type of implementations... By sbh Last Message By WolFSharp	2 6,286
	Bouncy Castle - .Net Implementation – Triple DES Algorithm In this article, we will go through a simple example to demonstrate Encryption and Decryption techniques using Triple DES algorithms. We will use Bouncy Castle APIs for performing below steps. Encryption steps - Select an input message - Input message can be in the form of a string which the... By sbh	0 3,927
	Bouncy Castle - .Net Implementation - RSA Algorithm In the earlier articles, we came across the concepts of RSA algorithm in Public Key cryptography. Being a generic topic, it can be implemented in security applications of variant technologies. We shall see the implementation of RSA algorithm using C#. RSA Encryption RSA Encryption can be... By sbh	0 5,560
	Understanding AES Advanced Encryption Standard Advanced Encryption Standard is a block cipher symmetric encryption algorithm. It is preferred to protect network communications, personal data etc using AES over DES. It encrypts or decrypts the data through several rounds. Categorization It is categorized under three types of key sizes –... By sbh	0 2,309
	Understanding Public Key Infrastructure Public Key Infrastructure Public key infrastructure is an architecture which supports mechanisms like integrity and confidentiality. It is heavily used in e-commerce, where business transactions are frequent and should be much secured. In fact business transaction starts only after the two... By sbh	0 2,457
	An Introduction to Cryptography Cryptography is "Art of writing or hiding secret". It is a science of protecting the information from theft or unauthorized access. To do so, important or confidential information is hided as or converted to some other form of gibberish data. Now original information can be recovered only by the... By sbh Last Message By seoabhisek	1 1,730
	Most Common TCP Ports TCP/IP (Transmission Control Protocol/Internet Protocol), the suite of communications protocols used to connect hosts on the Internet. TCP/IP uses several protocols, the two main ones being TCP and IP. TCP/IP is built into the UNIX operating system and is used by the Internet, making it the de... By pradeep Last Message By praveen1	2 7,431
	Denail of Service (DoS) Continuation from Denail of Service (DoS) by Pradeep. Have you ever tried to make a telephone call but couldn't because all the telephone circuits were busy? In fact, in India, telephone companies used to air commercials on television and radio that suggested you avoid peak calling times by... By vishal sharma Last Message By SEO_services	3 4,481
	Converting Between Numeric Bases In mathematical numeral systems, the base or radix is usually the number of various unique digits, including zero, that a positional numeral system uses to represent numbers. For example, the decimal system, the most common system in use today, uses base ten, hence the maximum number a single digit... By Febian Last Message By SEO_services	3 10,887
	Data Encryption Standard (DES) Algorithm The article continues the discussion on Algorithms available in Symmetric Key cryptography. It explains the whereabouts of DES algorithm. Due to the limitations of DES on security context, we shall include Triple DES in the scope. Triple DES is a stronger form of DES algorithm. Understanding... By sbh	0 2,378
	Understanding Symmetric-Key encryption The article extends the Cryptography concepts to explain the Symmetric Key encryption. Additionally, it throws light on the capabilities of Symmetric key encryption and its operational modes. Symmetric-Key encryption Symmetric key cryptography is encrypting or decrypting message using a... By sbh	0 1,894
	The background view of Multicore Computing Technology Define the Multicore Computing As software developers we have enjoyed a long trend of consistent performance improvement from processor technology. In fact, for the last 20 years processor performance has consistently doubled about every two years or so. But, day by day the truth is realizing... By Tango Issac Debian Last Message By sneha123	3 5,139
	Using Rundll32.exe in Windows XP Although they are not directly executable as programs, the many DLL files present in Windows contain libraries of functions that are used throughout the operating system and in application software. Generally, these functions are used internally by programs and are not directly visible to the... By pradeep Last Message By ravendawson	9 38,194