Im trying to figure out how to generate and verify PKCS #7 signatures in VB.net. These signatures need to be stored in a separate file to the data they are verifying (eg test.dat and test.dat.sig). Ive found code to generate signatures in another question, but cant figure out how to verify them
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I have two classes:
Public Class Subscribing
Private _subscribingObjects As IList(Of String)
Public Sub Add(ByVal obj As SubscribeObject)[code].....
Is there a more elegant way to add do this? One class would suffice, but since the Add methods have different arguments, then one really wouldn't work.
Has any body seen any OOP signatures under any MVPs or others
View 7 RepliesI found C# code for it here. So I tried
Public Function checkProperty(ByVal objectt As Object, ByVal propertyy As String) As Boolean
Dim type As Type = objectt.GetType
Return type.GetMethod(propertyy)
End Function
But it throws an error at type.GetMethod(propertyy) saying "Value of type 'System.Reflection.MethodInfo' cannot be converted to 'Boolean'."
What to do?
I have listBox control of user objects where each object has userName and Password.What I want to do is when a user enters userName and Password a method goes through the listBox checks for whether userName exists or not and if userName exists then matches the password.What I have in my mind is that to use for each loop but I think it would become complex so is there any better way?
View 2 RepliesI'm having to code hangman. So far I've done well, except for the part where I need to verify if the five character word contains a number. I also need to verify that the letter they are putting in does not contain a number. I have to use loop, so I'v considered using Do. Anyways, the loop needs to verify one character at a time that one of the character's is not a number. I know I can also use word like "[!a-zA-Z]" and that will verify the word does not have any numbers, correct? I have not assigned any value to letter yet, just word. Basically I've give the word length 5. I also know I need to use subString, but I'm not sure where in the loop.
View 2 Replies[code] I dont really understand what the error-msg means. I've used this bit of code in many of my projects but this time I get this error: [code]
View 2 RepliesI'm looking for a library compatible with microsoft.net framework that allows the creation and verification of XAdES signatures (XAdES, XAdES-C, XAdES-XL, etc...).It is important that the library enable the programmer to choose:
1.- Type of certificate to use in the signature process (PFX file, Windows centralized store, SmartCard)
2.- CRL to validate the certificate.
3.- Possibility to include Time stamping on the signature.
4.- Possibility to include OCSP response on the signature.
All I found are libraries in Java, but have not found any libraries in .NET.
I created a paint type program for signatures, and now I would like to save my canvas as either a jpeg, bitmap, or gif file, but I am unsure how to go about this. Here is my code,
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Do you really need this keyword to overload methods? What is the difference between using the overloads keyword vs. just having different method signatures?
View 5 RepliesThe error is:
Method 'Private Sub ProcessToolWork()'
does not have a signature compatible
with delegate 'Delegate Sub
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I added a table to my program and it generated two errors and not it will not build. I have added quite a few tables and this has never happened before. The reeors are:
1. public sub new ' has multiple definitions with identical signatures
2. 'Protected Overrides Sub OnCreateMainForm()' has multiple definitions with identical signatures.
I have deleted the table that I added and tried undoing everything having to do with it but nothing works.
in VB10 Express is there a way to verify that something in a list box has been selected BEFORE an action can be taken? I was debugging and found an unhandled error when I accidentally told the program to do something, but there was nothing selected.
View 2 RepliesOkay, I will be using Username &'Type' through out my project to verify certain things. On workbook open, I grab the username. Now I want to put the username list and type into a public array. The username list has a range name of UID and the type has a range name of UIDType. The combined list has a range name UIDCo. Which will be more 'resource' friendly? To load UID into one array and UIDType in another or to load the UIDCo into one all encompassing array? I will very rarely use either list alone, it will almost always be a combination of UID and Type verification.
2nd question is, I've only really used 1 dimensional array's before, any help on where I can research more about multi-dimensional arrays. I can pretty much figure out the what it does and how to use them. I'd be more interested in the actual syntax or coding samples.
I am tasked with verifying an Enum contains a incrementing value. The code looks like this:
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Each Enum value has a description (Custom) attribute also. The file and description attribute is used elsewhere... It looks like the programmers update the enums and use the custom attribute for help messages instead of resource files etc with a new integer value...
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I have been trying to use Subsonic 3 in a test application in order to understand how it works. However, when it builds the vb files from the database the files are full of '' has multiple definitions with identical signatures errors. I am using Visual Studio 2008 configured for VB.
View 1 Repliesi dont know what has happened to my project. it suddenly wont build and comes up with some errors regarding identical signatures. to the best of my knowledge i didnt do anything to it. i was testing some drawing stuff, but it now no longer builds on any of my back up copies either.the error list show errors at line 25 "public sub new() has multiple defs...." and line 34 "Protected overrides sub oncreatemainform() has multiple defs.
Code:
'------------------------------------------------------------------------------
' <auto-generated>
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I have a number of unrelated subs and functions that do various things on my server (e.g. Lighting control, data caching, server maintenance, etc). They are all in various classes which I have coalesced into a single solution.My goal is to create a single, simple interface which each of these disparate classes can be integrated and called from a command line interface. Instead of hard-coding a longish case statement which parses arguments and passes them to the various subs, I wanted to make a generic class which can be instantiated with a minimum of information and put into a data structure. Ideally, adding a new function would involve:
1.) Providing the function pointer (Delegate). The delegates will have various signatures. This is the crux of the question.
2.) Providing ancillary info such as the command-line callable name, number of arguments, argument types, etc.
I have a 100% working class called "node" which is basically a hierarchical tree of node instances. I can use this to simply organize function calls in related branches. All is working quite well.NodeFunctionDelegate(ByVal args As String) As String.The node takes the arguments passed to it by the command line and sends it as the "args" string as comma-separated. The delegate function then needs to know how to split up these comma-separated values, type them, tryparse them and etc. It then must return some string.It works, but it involves writing a middle-man function stub which can receive the argument string from the node class, do the parsing and type checking, and then call the destination function.My goal is to eliminate this trivial middle-man function. The problem is, I can't figure out how to create a variable-signature delegate for the node class.
Visual Basic gave me these errors:
Error1'Private Shared Sub AutoSaveSettings(sender As Object, e As System.EventArgs)' has multiple definitions with identical signatures.C:Documents and SettingsCatalinmy documentsvisual studio 2010ProjectsGame OS 0.2Game OS 0.2My
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I am having a problem setting up automated email signatures for a company through VBScript. Everything works fine apart from the rich text file creation. In this section for some reason a double underscore (__) always appears at the end of the e-mail signature when a user has their outlook set up for rich text. As you can see the script creates the signature in all the file formats needed.
On Error Resume Next
Dim qQuery, objSysInfo, objuserDim FullName, EMail, Title, PhoneNumber, MobileNumber, FaxNumber, OfficeLocation, DepartmentDim web_address, FolderLocation, HTMFileString, StreetAddress, Town, State, CompanyDim ZipCode, PostOfficeBox, UserDataPath, Maillink
Set objSysInfo = CreateObject("ADSystemInfo")objSysInfo.RefreshSchemaCacheqQuery = "LDAP://" & objSysInfo.UsernameSet objuser = GetObject(qQuery)
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I'm trying to make my own control in for .NET using VB and I'm having problems achieving what I want to do. In fact, I'm making a control which inherit from the textbox class and the only modification I'm trying to bring to it is that if the control is visibly full, the user can't type anymore. So:
Scrollbars should never appear.The extended TextBox may be multiline or singleline.The extended TextBox may have different fonts and font sizes.Right now, the technique i'm using is graphics.measurestring to get a sizeF containing the width and the height of my string to compare it to the height and width of my textbox control. All this in the KeyDown event (I don't know of it's the best solution). I can get it to work fine for the width but I can't seem to ge the height right in a multiline textbox.
I'm trying to confirm if an Excel worksheet exists. However, doing so results in a COMException error.
For i = 0 To myWorkBook.Worksheets.Count
If myWorkBook.Worksheets.Item(i).name = "NewSheet" Then
iNewSheetCount += 1
End If
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I have an application that downloads a .txt file via FTP, and then it calls some sql to insert the file data into my database. I want to check whether the file is in the correct format before trying to insert.
The file should consist of some number of rows, each with the following format:
(4 letter code) (tab) (3 or 4 letter code) (tab) (date as dd-MMM-yy) (tab) (variable length text description) (tab) (1 letter code)
Is there a good way to check whether every line in the file follows this pattern, and warn me if it doesn't?
I'm experiencing a problem while trying to verify an email signature that has sent from outlook 2007 and has been sign & encrypted. I receive this email on the other side (not outlook client) as a mime message (eml file). I have opened the eml file using ADODB stream into CDO.Message object. Now, i'm successfully managed to decrypt the message using CAPICOM object. but when i'm trying to verify the signature i get "incorrect hash" and the process fails.
I have to mention that i'm using as a base code the example from microsoft SDK for CAPICOM. I have discovered that if i sign & encrypt a message using that code example, i can (without any problem) decrypt and verify this email file. but when i'm trying to verify the signature of an email sent from outlook client there is a problem (like i mentioned in the beginning). I have also discovered that the content of the email is encode in UUEncode format. i have managed to decode the UUEncode format using BodyPart.GetDecodedContentStream but whats weird is that something goes wrong during that decode process i know that because on the code example we are trying to find:
BodyPart.GetFieldParameter("urn:schemas:mailheader:content-type", "boundary")
but i get an error message because this parameter cannot be found in the BodyPart. when i'm trying to read the text stream:
GetStream.ReadText
i seeing this weird thing... there are some binary characters that disturbing (apparently) to the function to find this parameter. here is the string:
Thread-Index: Acq1GI5RkfMs/4oXTO6yNp+vV7gabQ==
Content-Class: urn:content-classes:message
Importance: normal
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I'm having a problem with the error in verifying the usernames that are already existing in the record/database.
When you inputted a username that already existing it will throw an exception, and when you change the username, it still throws the exception.
I am thinking of dialling the number and if it rang then it is existing but I am not sure how to implement such. I am on Vista and it looks like all comm ports are not available or that I don't know how to enable them. Upon googling I have found samples of TAPI but I am unable to make them work, the following code is supposed to call a phone no. but I am getting the exception "Value does not fall within the expected range." on the 2nd line and I am clueless as to how to fix it
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Is there any way to verify if an email address actually exists?
View 4 Replies I'm trying to figure the best way to verify the contents of a folder based on another count via a listbox. Here is my current code to count the number of PDFs in two different locations and total them together for a grand total.
'counts test1 pdfs
Dim f As String, c As Long
[code]....
I have another process before this that will create the PDF's based on the files listed in the listbox.What I am having trouble with is verifying that the PDFs that are created in the Test1 and Test2 folders equal the counts from the listboxes. This count needs to match before running the next process. I'm kind looking for wait or loop until both counts match, again before running the next process.
I've see this application which can dig out our User Name from somewhere and asks our password. To be on the safe side, I typed my wrong password and it could cross-check that it was a wrong password and it asked me to type the right password. My question is:
How do you dig out logged in user's User Name?
How do you verify if a password given matches with the one really used to log into windows?
How do we auto-login by providing these verified details you say at a specific time by regularly checking the time using a timer?
I want to delete the rows of a DATABLE that verify a criterion. Someone would be so kind to show me how do this.For example, I have a DataTable with "customers" and I want to delete customers who live in "Madrid"... criterion: CityCustomer='Madri
View 10 Replies