C# - Library To Work With XAdES Digital Signatures?
May 18, 2010
I'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.
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Aug 18, 2009
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.
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Oct 14, 2010
Has any body seen any OOP signatures under any MVPs or others
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Oct 17, 2010
[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]
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Jun 15, 2009
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,
[Code]...
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Jul 23, 2009
Do you really need this keyword to overload methods? What is the difference between using the overloads keyword vs. just having different method signatures?
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May 5, 2009
The error is:
Method 'Private Sub ProcessToolWork()'
does not have a signature compatible
with delegate 'Delegate Sub
[code].....
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Jan 14, 2011
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
[Code]...
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Oct 19, 2010
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.
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Aug 8, 2009
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.
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Mar 4, 2010
i 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>
[code].....
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Dec 28, 2011
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.
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Sep 7, 2011
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
[code].....
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Jun 10, 2008
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)
[code]....
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Jun 21, 2011
I have a Visual Basic Class Library project. It generates a DLL. Is there a method to generate a static .LIB to which I can do a static link?Alternatively, can I do a static link against a DLL?
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Aug 28, 2009
How to access Digital I/O using USB using C or C++ or Vb.net Or C#.net?
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May 30, 2011
I developed an application by vb.net 2005 on SQL server 2008.I would like to enter some of my data such as my drawing and my handwriting in my application by a digital pen.
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Jun 14, 2010
How can I have a simple digital clock in my application? I need it to be a label control - thats the tricky part.
Basically it just reads '5:33 PM' or '5:33 AM' etc - not 24hr time.
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Sep 20, 2011
How can I take pictures using a digital camera based on a button click in WinForm application? I tried googling, and got WIA. Used WIA 2.0 and wiaut.dll, and it is working fine for webcams. But I am not able to automate the actions of my Sony W220 camera. I tried googling for WPD, but it appears to be active only in Windows 7 and Vista, and I am using XP Sp2
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May 15, 2009
I need some advises on showing digital signal indicator at this moment I use radio button...but it's then becoming complicated because I have to make them "true" or "false" anytime.
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Apr 3, 2011
my final year project title is monitoring weight changes in digital scale / indicator.i bought one digital scale online from A&D in order to test out my system.however unlikely other device (GSM MODEM, RFID...) there are no drivers or libraries (DLL) from this device.. with only the digital scale and (rs232 9-pins to usb convertor i bought) i was like lost wondering how to get communicate with the device.i have been search around in the internet for similar post.. but there are most likely dealing with the data receiving already. is there any journals or manuals for references? i willing to study over this and not simply ask for full codings.
- how to communicate with the device (serial port communication)
- is there any driver / libraries need to install bfore everything?
OS using - windows 7 ultimate (laptop)model of device - A&D JM-SERIES 150lb
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Jan 15, 2010
I want to take picture directly on my employee database form. I means, how to control digital camera from Visual Basic form? how to take picture through VB Command button.
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Jun 11, 2009
I'm looking for guidence on using digital certificates to manage website user authenication and access. i am using a website that has this and what happens is this... the company issued me a personal certificate, that i installed on my local machine. When i connect to the website it checks my local cert store for a cert issued by them and if none is found, no entry, if multiple are found, then a box displays to allow you to pick which one to use.
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Aug 27, 2009
Im an electrical engineering student, and I am trying to utilize the serial port to give me high and low digital states. What i want to do is simply turn on an LED or turn it off. the basic gist of what I have been trying currently is that on a button click, serialPort1.DTREnable = enabled or disabled, indefinitely until the next button click.
So far, I have only been able to get the LED to momentarily flash... It seems to begin in an active state flash off, then immediately, return to its active state. I am using Visual Studio 2008. Can I use DTREnable to generate on/off states by enabling or disabling the pin? Is there a tutorial somewhere for electrical engineering applications using visual studio 2008?
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Mar 11, 2008
i have a problem with my graduation project, i need to take a picture shoot automatically based on a signal from the parallel port, and save the picture on the harddisk , so the MATLAB will read this picture to process it.
[Code]...
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Jun 22, 2009
Here is my issue/question. I am relatively new to VB.Net programming, and I have been assigned the task of creating an application that will go out to a Secure web site and download a file. My first issue is it best to do this using a Windows form, ASP.Net or what. My second and main question is how do I authenticated to the secure web site in .net code?
Upon connecting to the secure web site it asks me for a certificate, which at the moment I have to manually present, however we would like to automate this. Then after it authenticates I have to go a few more pages in before i get to the file that needs to be downloaded.Although this file changes daily it has the same key tag so I can hardcode that into the download application. I just need to figure out how to programically authenticate to the site with .Net
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May 8, 2010
I am trying to design a digital clock using the drawing tool. i have drawn all the segments using the drawpen function and i have also created a timer that will get the current system time. i want to link the current system to the digital display i have drawn, so that when the time is 1:02 for example only that will highlight on the digital display
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Jun 24, 2010
Some example program of vb.net using digital persona 4500 fingerprint scanner or teach us to study the codes to finish our thesis...
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Mar 8, 2010
here know how to do to sign a file with certificate chain and crl embedded?I don't have ideia how to do that.
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Jul 20, 2009
I wanted to generate digital signature in my asp.net application based on some value like date of birth. what is the way to do that ? i am using vb.net
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