(VB.NET) Create .p7s Signature with HSM / Smartcard

VB.NET example showing how to create a .p7s Signature with HSM / Smartcard

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Dim crypt As New Chilkat.Crypt2()

'  Any string argument automatically begins the 30-day trial.
Dim success As Boolean
success = crypt.UnlockComponent("30-day trial")
If (success <> true) Then
    MsgBox(crypt.LastErrorText)
    Exit Sub
End If


'  Find our digital certificate from the Current User certificate store.
'  Note: There are several other ways to load your certificate
'  into a Chilkat cert object.  You may load directly from a .cer file,
'  PEM file, pfx, etc.
Dim ccs As New Chilkat.CreateCS()
Dim certStore As Chilkat.CertStore
certStore = ccs.OpenCurrentUserStore()
Dim cert As Chilkat.Cert
cert = certStore.FindCertBySubjectCN("Chilkat Software, Inc.")
If (cert Is Nothing ) Then
    MsgBox(cert.LastErrorText)

    Exit Sub
End If


'  Tell the crypt component to use this cert.
crypt.SetSigningCert(cert)





'  We can sign any type of file, creating a .p7s detached signature as output:
success = crypt.CreateP7S("test.xml","test.p7s")
If (success = false) Then
    MsgBox(crypt.LastErrorText)

    Exit Sub
End If

MsgBox(crypt.LastErrorText)
'  Verify the signature...
crypt.SetVerifyCert(cert)

success = crypt.VerifyP7S("test.xml","test.p7s")
If (success = false) Then
    MsgBox(crypt.LastErrorText)

    Exit Sub
End If




MsgBox("Success!")