Algorithm For Feistel Cipher ( Block Ciphers
May 10, 2011Alot for the algorithm for Feistel cipher ( block ciphers ) but I did not find any . .
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Writing An Alphabet Cipher That Ciphers At Random
Nov 15, 2011I'm writing an alphabet cipher that ciphers at random. It looks like it should work when I'm debugging it but when I look at the cipher key it comes out with duplicate letters like some of them weren't switched during the for loop. WasSwapped is used to keep track of whether the letters been used in the cipher already and alphabet is just a list of the alphabet in order. All arrays and lists are size 26.
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VS 2008 - Vigenere Cipher - Proceed On If Cipher Text Is Longer?
Jul 14, 2010Vigenere Cipher which I am trying to code in VB.Net. The main thing is to decrypt to plain text with keys provided. Currently, I did a small code to decrypt NIOZS to COMPU with the key LUCKY. This is done by storing the cipher text, the key text and the English alphabets in 3 different arrays each starting at index 0.
However, I do not know how to proceed on if my cipher text is longer. My cipher text file consists of texts in .txt, every 5 words are group together (e.g. NIOZS ECPQE TOGCG YMKQF E). The keys are all different in lengths. I also understand about checking letter frequency to deduce the key but I do not know from which point to start on.
Can anyone give me some pointers as to how I can get to start for my program? I tried looking for samples but some applets on the web wasn't exactly accurate or I can't start it up after I dl-ed.
Grid Based Puzzle Board Game Block Removal Algorithm?
Jan 26, 2010the rules are that same coloured blocks of two or more can be removed by clicking on them. blocks then slide down from above. if a column is empty columns other columns move in from the sides.when someone clicks on the green blocks in the bottom row the columns should slide in from the sides. columns to the left of the black line slide right and on the right of the black line slide left. so in this case only the two rightmost columns should slide from the right to the black line after removing the green blocks.The problem i am having is in designing a suitable algorihm to do the collapsing after the removal. my current approach is to test each column from left to right to see if it is empty. if it is empty then i slide whatever column is to the left (if left of the black line) or to the right (if to the right of the black line) over the blank column and repeat this in the direct i am sliding from
View 1 RepliesHow To Make A Vigenere Cipher Solver
Nov 10, 2011I am making a cipher solver in vb.net 2008 and I have made it solve ciphers for most ciphers but I can't make it do vigenere. I have got three textboxes named "EncryptionVigenere", "SolutionVigenere" and "Key" and a button called "SolveVigenere".
View 3 RepliesImplement An Algorithm Called "Diamond-Square Algorithm"?
Jun 8, 2009I am trying to implement an Algorithm called "Diamond-Square Algorithm" I am having trouble ending it so that it retiurns the required result. So far I have the folloiwng.
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Cipher/ Code Generator -Program - Search Through Textbox And Find All Of A Certain Letter (say A) And Replace It
Nov 25, 2008I'm trying to make a program (in VB 2008 Express Edition) that will take text (from a textbox) and then switch the letters (say a->f and A->F) and will put the result into a second textbox when I click a button. How do I code the program so that it will search through the textbox and find all of a certain letter (say a) and replace it, then search for the next letters (say b-z) and replace them?
View 4 RepliesWrite A Program To Decrypt And Encrypt Ceaser Cipher Or Ceaser Shift
Sep 7, 2009I am trying to write a program to decrypt and encrypt the ceaser cipher or ceaser shift (which ever you prefer using), and I really need help I don't even know how to start. I am hoping that someone on here can atleast help me to get started with writing the program.
View 4 RepliesLooking For An Algorithm In C#?
Apr 14, 2010I'll do my best to explain what the algorithm is supposed to do:There's a class 'Recipe'.ach Recipe can include other Recipes but cannot include itself or any other Recipe that includes it. So, a simple example is we have just two Recipes A & B.A,B,C(1) Recipe C Adds B(2) Recipe B Adds A(3) Recipe attempts to add C, but can't because of the relationship. C- B - A.
View 4 RepliesRSA Algorithm
Sep 8, 2010I'm Micah. Electrical/Electronic engineering 500 level student. I'm working on my final year project. please i need a code for the implementation of RSA algorithm in VB.NET. your assistance will be appreciated.
View 2 RepliesAlgorithm For VB Editor?
Dec 26, 2009is the algorithm for VB editor released anywhere? because i'm trying to create my own editor that gives various options like Linking and self defined array functions (see below) such that one edit can update several others in various places, but i do still wish to have the auto formatting VB editor provides us with.an example of a self defined array function (count):we can transform this:
Public Class test
Private Shared number_of_methods As Integer = 2
Public Function get_number_of_methods_juz_an_example() As Integer
Return number_of_methods
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well of course instead of the code it would be just click and select (i wrote out the code in <> just to show what's happening)
BLS Algorithm Guide
Mar 15, 2012i need some tutorial to implement BLS (Boneh-Lynn-Shacham) signature algorithm to create private key and public key to encrypt a message.I need tutorial to implement this in VB.NET.
View 1 RepliesConverting And Algorithm In C# To C?
Oct 21, 2005I found an algorithm in C# that I need to convert to C. Problem is, I have never used C# so the syntax is really strange to me.
Implementation of Berlekamp-Massey algorithm for calculating linear complexity of binary sequence
s = byte array with binary sequence
returns Length of LFSR with smallest length which generates s
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Create My Own Algorithm?
Dec 14, 2010I want create my own algorithm
View 1 RepliesUsing Own Encryption Algorithm In VB?
Aug 21, 2009How would I be able to use my own Encryption Algorithm in my program such as encrypting text. I havn't been able to figure this out.
View 1 RepliesAn Algorithm Which Can Calculate 500 factorial?
Aug 25, 2007can you write an algorithm which can calculate 500 factorial.scientific symbol(mode) is unauthorized.Answer should be in String mode.
View 1 Replies.net - Intelligent Selection Algorithm?
Apr 29, 2009I am using VB.NET and I am trying to come up with some algorithm or some pseudo-code, or some VB.NET code that will let me do the following (hopefully I can explain this well):I have 2 collection objects, Cob1 and Cob2. These collection objects store objects that implement an interface called ICob. ICob has 3 properties. A boolean IsSelected property, a property called Length, which returns a TimeSpan, and a Rating property, which is a short integer.
OK, now Cob1 has about 100 objects stored in the collection and Cob2 is an empty collection. What I want to do is select objects from Cob1 and copy them over to Cob2. I want the following rules obeyed when selecting the objects though:
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Algorithm For Temperature Conversion?
Nov 20, 2009[code...]
So far, my friend has this, and we're trying to figure out how to get the code to tell convert F to C, and back. All we can use for input is (example:) 10,f and it will change it to 40,C.
C# - Implement Your Own Sorting Algorithm?
Apr 29, 2011Forgive me if this is a silly question....but I think back to my Comp. Sci. classes and I distinctly remember learning/being quizzed on several sorting algorithms and the corresponding 'Big O' notation.
Outside of the classroom though, I've never actually written code to sort. When I get results from a database, I use 'Order By'. Otherwise, I use a collection class that implements a sort. I have implemented IComparable to allow sorting; but I've never gone beyond that.Was sorting always just an academic pursuit for those of us who don't implement languages/frameworks? Or is it just that modern languages running on modern hardware make it a trivial detail to worry about?
Finally, when I call .Sort on a List(Of String), for example, what sort algorithm is being used under the hood?
Convert Algorithm From C# To .NET Fail?
May 30, 2011I'm trying to convert the following algorithm from C# to VB.NET and the VB.NET I have is not producing the same results as my C# algorithm, can someone tell me where I've gone wrong in my conversion?
public static IEnumerable<T[]> Combinations<T>(this IEnumerable<T> elements, int k)
{
List<T[]> result = new List<T[]>();
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Encrypt Vbs File Using Some Algorithm?
Oct 17, 2011I need to encrypt vbs file using a cryptographic algorithm. I read about converting it into vbe file, but is there any other way to do it?
View 1 RepliesEuclid's Algorithm And While Loops
Mar 17, 2011I have visual studio 2008, and we have been given specific tasks to carry our for our course, we have been asked to implement euclid's algorithm by using a while loop, doing so without the visual part of visual basic whatever that means an example of a question they gave was 1)HCF(88,26)=2 how I would go about doing this, as I am thoroughly confused, and deadlines are fast approaching.
View 3 RepliesFind And Replace Algorithm?
Sep 9, 2010I have some text files that contain
<img width="100" or
<img width="1400" or....
How could i replace all above with the following, since the image width is not static?
<img width="200"
Getting Code Of Antnet Algorithm
May 8, 2012i am working on project of using ant colony optimization and espcially on antnet algorithm but i have many problems in programming of this algorithm, and since i dont perfer using simulation for that purpose.
View 4 RepliesImplement Bankers Algorithm In .net?
Jan 10, 2010i want to implement bankers algorithm in vb.net how can i implement it
View 1 RepliesLexicographical Sort Algorithm Using C#?
Jul 20, 2011I am struggling to write a sorting algorithm that can sort characters in a word lexicographically (alphabetically) as follows
lexicographical sort of the word :- Contamination
lexicographically
Sorted Text Index
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write a pseudo code / or an implementation in C# or VB.NET of how I can do a lexicographical sort of the word above?
VS 2008 Algorithm For Pairing?
Nov 7, 2010I am trying to pair numbers, like for a tournament. I need an idea for the algorithm to pair up the numbers, not the code, but the algorithm.
View 1 RepliesVS 2010 Backtracking Algorithm
May 16, 2010Searching the internet for an example of backtracking in VB.Net has proven fruitless. All the examples I found were either in a language I don't understand (making it impossible for me to convert it to vb.net) or they contained zero commenting (making it difficult to actually understand what is going on).Does anyone have an example of backtracking in VB.Net? Commenting would be useful so I don't have to decipher single letter variables.
View 16 RepliesVS Web Browser Cache Algorithm
Jan 27, 2010I am currently developing a advanced web browser in Visual Studio 2008. I was reading information about a browser i currently use, it said that the browser goes faster thanks to a "advanced cache algorithm". I was wondering if it was possible to implement this into my web browser, and if so how would i do so? I am using Visual Studio 2008 writing in .Net.
View 3 RepliesWhat Voice Compression Algorithm To Use
Jan 21, 2010which algorithm used for voice compression mailing and decompression
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