Limitless String In .net - Crashed The Encryption ?
Nov 10, 2009
This is a question that has been bugging me for a while and I am no longer working in this so sorry for the lack of code. The situation is this I had a web service that in the client and the server page it had compression and it had encryption. It didn't work all the time because there was accents and that crashed the encryption but when you set it to UTF8 it got fixed. Still there was a set of data that was very BIG and it exceeded the limit of normal string 33 thousand or something characters.
This step happened in the packing and unpacking steps of web services. What was being returned is a Dataset(that in webservices it converts to an XML). I know StringBuilder can be helpful but I assume that when you change it toString() it will trim the string to the max limit.
View 1 Replies
ADVERTISEMENT
Apr 23, 2011
I am not sure if there is such thing in VB.NET via 128-bit Encryption or more. [code]...
View 12 Replies
Jul 28, 2009
I need some help with encrypting a string. I want to encrypt a string using AES 256-bit encryption with a custom key. How can I go about doing this?
View 3 Replies
Sep 1, 2010
Is it possible to encrypt certain string and it output 10 character?.
View 6 Replies
Jan 17, 2010
I have an input and an output, but i would like to know what how to calculate/find the string encryption in between.
Input: 22ac24c481690dd5d90973c6697624ec
String: ??? Unknown
Output: cc28641637656a42e092b61d3e67af0d
[URL]
View 6 Replies
Aug 25, 2009
Is there a way to encrypt/decrypt text (string form) in VB.net using another string as a key? Meaning, if one user encrypts using this key, the other user needs to decrypt using the same key?I do NOT mean public and private key encryption or anything of the sort.If not, what is the second best way to encrypt/decrypt data without public/private keys?I want to make a simple way to send messages securely.
View 2 Replies
May 15, 2012
I need to know what is the common way to store a SQL server connection string for an application in VB.NET.How do I read app.config values How to do it in ASP How do I store a connectionstring (unencrypted thus unsafe)It's quite frustrating not to find a decent and full answer on how to store a connection string in VB.NET in app.config (or settings.settings if it's better) safely. At the moment it's hardcoded and so it is immobile and in plain text.
View 2 Replies
Feb 19, 2010
Alright, So ive returned to using vb after several years now. Ive programed in VB6.0 years ago and I was quite proficient at it. However after returning to vb (now using Visual Studio 2010). Either Ive forgotten everything, or something has changed. For a university project. Im trying to write a program that takes a string of bits and encrypts it using DES Encryption.
[Code]...
View 3 Replies
May 6, 2011
I imported an image with a conflicting name as an image file in resources. Then the project crashed. I can't open the resources. It only shows a message as "There is already another resource with the name 'Cr'."The compile errors show that "'Resources' is not a member of 'My'".
View 3 Replies
May 26, 2012
I am not sending any sensitive or security information in the query string. I am currently using Base64Encoding along with MD5 Hash. I want to shorten my url as far as possible.
[Code]...
View 2 Replies
May 14, 2012
I have a combobox which is reading a directory and display the files in the path, I want to select a value in the combobox and display this in a textbox but it crashes whenever I try to do this.
[code]...
View 3 Replies
Jun 21, 2011
I have set up a method in vb.net and in xcode for encrypting a string using as far as i can tell the same parameters for an AES encryption.I've looked all over the place but cannot find information on whether they use the same encryption algorithm and settings.
this is the vb.net code:
Dim encryptAES As New AesCryptoServiceProvider()
Dim encoding As New UTF8Encoding()
Dim encryptor As ICryptoTransform
encryptAES.Key = encoding.GetBytes("12345678901234567890123456789032")
encryptAES.IV = encoding.GetBytes("1234567890123416")
encryptAES.Mode = CipherMode.CBC
[Code]...
View 1 Replies
Apr 5, 2012
I am working on an OpenGL Visual Basic 2010 Express project using Tao.dlls.My computer has crashed a few times while I was last working on my code.Since then There has been some side effects such as intelisense and autocomplete not working when I load the project, even after checking the options and settings for them.When I start a new project on the other hand the features work again.Also when this OpenGL code is run:
Code:
glutMotionFunc(AddressOf MouseMotionGUI)
I get:
BadImageFormatException unhandeld
An attempt was made to load a program with an incorrect format. (Exception from HRESULT: 0x8007000B)
This code was working fine before my computer crashed and probably corrupted some files.
View 6 Replies
Dec 22, 2010
I got a legacy solution targeting .net framework 2.0. When I open the properties - Compile tab of the VB projects in VS2008 or 2010, the VS always crashes. Other C# legacy projects are working.I am using windows 7 64 bit. (It's working in the xp mode.)
Activity Monitor Log
infos 50
warnings 0
errors 0
# Type Description GUID Hr Source Time
1 Visual Studio Version: 9.0.30729.1 Microsoft Visual Studio 2010/12/22 12:44:57.002
2 Running in User Groups: Administrators Users Microsoft Visual Studio 2010/12/22 12:44:57.004
3 ProductID: 92357-152-0000034-60049 Microsoft Visual Studio 2010/12/22 12:44:57.004
4 Available Drive Space: C: drive has 139105247232 bytes; D: drive has 284777865216 bytes Microsoft Visual Studio 2010/12/22 12:44:57.005
5 Internet Explorer Version: 8.0.7600.16700 Microsoft Visual Studio 2010/12/22 12:44:57.006
6 Microsoft Data Access Version: 6.1.7600.16385 Microsoft Visual Studio 2010/12/22 12:44:57.007
7 .NET Framework Version: 4.0.31106.0 Microsoft Visual Studio 2010/12/22 12:44:57.008
8 MSXML Version: 6.30.7600.16385 Microsoft Visual Studio 2010/12/22 12:44:57.009
9 Loading UI library[code]......
View 1 Replies
Nov 18, 2010
I use windows Vista.I had been working intensly on a new program all day today and pretty much all day yesterday. I was almost finished.Then my computer crashed. I rebooted.When I came back into Visual Basic 2010 express, I expected that somewhere I would see my files. Besides... I HAD BEEN SAVING THE FILES ALL DAY LONG USING CONTROL+S on my keyboard. The little * symbol at the top of each file would go away. I assumed that meant it was actually saving my work as I went along. I did not, however, actually go to file->SAVE at any point along the way.
After coming back into VB2010 express, no autorecover dialog appeared. I looked for my project in the list, and it wasn't there. I looked at "recent files" and "recent projects" and found nothing. Finally I searched my whole hard drive for my project, and found only one EMPTY directory located at:
C:UsersDellLaptopDocumentsVisual Studio 2010Backup Files, which matched the name of my project I had spent the last two days working on.
View 2 Replies
Aug 18, 2009
I have an app. MDI Parent and several forms,connected to SQL server 2005 via ODBC, and form1 is my app. main form.What I try to do is,
1-when insert data into the database if data already exist then it don't do anything and popup message let you data already in the database.
2- How to prevent end user modify textboxt1 on from1 if there is value in textbox1?
View 11 Replies
Sep 11, 2011
How can I make my apparently so that when I click a button, it executes a sub of my choice on a seperate thread? I need this to send an email and when I ran it normally it crashed my GUI.
View 1 Replies
Jun 16, 2011
I have a simple Win App VB project with a single form in it. I also have an Active X component which I am adding onto this form. This component is made in C++. On building the VB project i get the message "COM Reference 'CPPLib' is the interop assembly for ActiveX control 'AxCPPLib' but was marked to be linked by the compiler with the /link flag. This COM reference will be treated as a reference and will not be linked." but it compiles successfully. When i try rebuilding it or opening the view designer of the form VS2010 crashes. The project is locally creating two dlls namely "Interop.CPPLib.dll" & "AxInterop.CPPLib.dll". I have made the Embed interop types False for both these references.
View 2 Replies
Aug 19, 2011
Im kind of wondering can I fix this? When I edit code in Visual Basic 2008 Exspress Edition it will everytime open after maybe 15 to 30 mins feeze and close, sometimes it unfreezes but not always
View 2 Replies
Mar 25, 2012
is there anyway that I can convert this to use RSA encryption?
Imports System.Text
Imports System.Security.Cryptography
Imports System.IO
Public Class ClsEncryption
[code].....
View 1 Replies
Jan 28, 2011
I have been trying to create an app that will do xor encryption. I have tried a few different functions but none of them seem to give me what I want. I need it to put the coded text into a 7 bit ascii string. For example if the key was a - 1100001 and the text to be encrypted was s - 1110011 then it would return 0010010 as the encryption. One of the pieces of code I tried to use
Public Function XOREncryption(ByVal CodeKey As String, ByVal DataIn As String) As String
Dim lonDataPtr As Long
Dim strDataOut As String
Dim temp As Integer
[code]....
This returns a hex digit though which will not work for what I want.
View 4 Replies
Sep 3, 2009
have made a library for my vb.net project by combining 3 libraries (using ilmerge).
View 3 Replies
Nov 15, 2011
I am attempting to create a program that can do raw RSA encryption (performing the encryption without using 'Encrypt' and 'Decrypt') of a user's message that can contain a-z, A-Z, 0-9, and [,.;:'"()]. I've attached a screen shot of the application form.
Basically, the user will pick from a list of prime numbers from the first box and input them into p and q. They will type their message in the designated textbox and then hit <encrypt> which will encrypt using p and q and then show the encrypted message below. I'll leave out the Key box since that deals with the math behind the encryption.
The part I am stuck on right now is assigning a number to each one of the characters so that it can be encrypted. These numbers need to remain the same so that the message can be decrypted as well.
View 19 Replies
Nov 23, 2010
i have this .xml file read and display at runtime by vb.net2003. the .xml file is the database which contain various data and its not for adding more data or edited by user so i need to protect the file so that my code can read and display those data. can anyone know how to protect the file.
View 1 Replies
Feb 1, 2012
Here is some code that works well for strings:
[Code]....
modifying these functions to encrypt/decrypt byte arrays rather than strings. Also, to have the functions return the encrypted/decrypted byte array, rather than a string.
View 2 Replies
Oct 12, 2011
I am trying to implement the encryption script from Barclays payment gateway, however it's in VB and the rest of our site is in c#.
The script is
Public Class Example
Inherits System.Web.UI.Page
#Region " Web Form Designer Generated Code "
[code]....
How am I able to either run this VB in my C# aspx page? Or do I need to convert it to use c#?? In my aspx page, I have the first line
<%@ Page Language="C#" ContentType="text/html" ResponseEncoding="utf-8" CodeBehind="encryption.cs" %>
View 2 Replies
Jun 2, 2009
my program takes a txt file and encrypts it successfully but it returns the wrong thing when decryting.[code]
View 4 Replies
Sep 23, 2010
I have a problem with an encryption made in AdobeFlex and which I need to translate to VB.NET.The core is a AES Encryption, but I tried several ways and code and the encrypted strings weren't the same The original Flex Sourcecode is:
VB
private function encryptAES(arg1:String, arg2:String, arg3:String="aes128-cfb8", arg4:String="None"):String
{
var loc1:*=com.hurlant.util.Hex.toArray(com.hurlant.util.Hex.fromString(arg2));
[code]....
My question is how to get the code work in VB.NET
View 3 Replies
May 30, 2011
I have a problem with an MD5-hash algorythm that's acting very oddly.Here's the
vbcode
Imports System.Security.Cryptography
Imports System.Text
[code].....
View 2 Replies
Aug 10, 2009
I'm looking to use RSA Asymmetric encryption to encrypt some data. I've read this article on the forums with a similar title, but it did not answer my question. What I would like to do is use the private key of an RSA key combination to encrypt (sign?) the data and use the public key to decrypt (verify?), as per this wikipedia article . I would like to use this method because I want people to be able to read the data, but not create it themselves. I've copied the code from Peter Bromberg's article RSA Encryption in .NET Demystified , but always get an exception with the "Bad Key" message. If I use the public key for decryption, it works fine (the opposite of what I want). use the public key for encryption.
View 2 Replies
