Security :: Communicate To Secure Enable Server With Certificate?
Oct 28, 2010
Currently I am facing a problem to communicate with a server that enable ssl...
normally we are using TCPClient to send and receive data from server, but now the server that I trying to connect to, need SSL and certificate..
I was trying to search at google and most of the solutions i got it is use SSLStream and X509Certificates. and I have another question, Am I need to create Client and Listener in order to communicate with that server? Because I had reviewed all the sample and they didn't attach the private key when send request to server.
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<br/>
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I have created an x590 certificate that is in the file :
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Dim certificate As X509Certificate2 = certificateCollection(0)
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.................................................
This is the complete code:
Imports System.Security
Imports System.Security.Cryptography.X509Certificates
Imports System.Security.Cryptography.X509Certificates.X509Certificate2
Imports System.Security.Cryptography.Pkcs
Partial Class encryptwithcertificare
Inherits System.Web.UI.Page
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim encoding As UTF8Encoding = New UTF8Encoding
Dim cleartext As String = Textbox1.Text
Dim myStore As X509Store = New X509Store()
myStore.Open(OpenFlags.ReadOnly)
Dim certificateCollection As X509Certificate2Collection = myStore.Certificates.Find(X509FindType.FindBySubjectName, "bobby", True)
Dim certificate As X509Certificate2 = certificateCollection(0)
Dim code() As Byte = EncryptwithCertificate(cleartext, certificate)
Label1.Text = Convert.ToBase64String(code)
End Sub
Shared Function EncryptwithCertificate(ByVal cleartext As Byte, ByVal certificate As X509Certificate2) As Byte()
Dim encoding As UTF8Encoding = New UTF8Encoding
Dim cleartextsbyte() As Byte = encoding.GetBytes(cleartext)
Dim contentinfo As ContentInfo = New ContentInfo(cleartextsbyte)
Dim envelopedCms As EnvelopedCms = New EnvelopedCms(contentinfo)
Dim recipient As CmsRecipient = New CmsRecipient(certificate)
envelopedCms.Encrypt(recipient)
Return envelopedCms.Encode()
End Function
End Class
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Jun 17, 2010
I have a rather strange situation that I am in.
I have to write a web-service that will (among other things) communicate with another web service. When we communicate with that remote web-service we are required to use a certificate that they provided.
I am having a really hard time trying to find any sample code that does this.
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Do you know any web site with an invalid https certificate, so I can test if my browser detects it?
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Dec 14, 2010
Keyset does not existDescription:An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.Exception Details: System.Security.Cryptography.CryptographicException: Keyset does not existSource Error:
[Code]...
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we have one e-commece website which combine one ip address and 4 domains, I want apply for one ssl certificate bind ip for this site, is it possible to be used for 4 domains? is it possible to apply for certificate for ip address?
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Dec 3, 2010
I have few queries regarding installation of SSL certificate.How much time will it take in installing the SSL certificate and getting the IIS https enabled?
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Feb 26, 2010
We have two different users and we want to authenticate them through "IIS Client Certificate Mapping Authentication" in IIS 7. They have certificates issued by VeriSign.When user requests a website, a pop-up appears on their browser to select a certificate. User can see both certificates and selects one of them and hit ok.We could capture Certificate attributes using
following code
HttpClientCertificate cs = Request.ClientCertificate;
Response.Write("ClientCertificate Settings:<br>");
Response.Write("Certificate = " + cs.Certificate + "<br>");
until now every thig is fine.We mapped one of two certificates to an AD user using this
"Configuring One-to-One Client Certificate Mappings".http://learn.iis.net/page.aspx/478/configuring-one-to-one-client-certificate-mappings/I am trying to print if user is authenticated or not using following code. and it is never authenticated. I don't know what mapping does. It seems it does nothing.Response.Write (Request.ServerVariables["LOGON_USER"]) ;
Response.Write ("<BR>") ;
Response.Write ("AUTH_USER: ") ;;
Response.Write(Request.ServerVariables["AUTH_USER"]);
Response.Write ("<BR>") ;
Response.Write("IsAuthenticated :" + User.Identity.IsAuthenticated + "<br>");
Response.Write("HttpContext.Current.User.Identity :" + HttpContext.Current.User.Identity.IsAuthenticated + "<br>");
Response.Write("Request.IsAuthenticated :" + Request.IsAuthenticated + "<br>");
Can somebody help so that I can allow user only if he supplies a certificate that is mapped to a user. Currently any user having a certificate can get into the site, site is having anonymous authentication and certificate is required.
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Aug 9, 2010
I want to create a digital signature, for my product, for creating the digital sigmature i want digital certificate. I came to know there are lot of third party available for creating digital signature. If any one know can tell some of third party for this.
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