Example: X509.ValidatePath 

[VB6 equivalent: X509_ValidatePath]

Dim nRet As Integer
Dim strP7cFile As String
Dim strTrustedCert As String
Dim strCertList As String

' A p7c "certs-only" file which includes a self-signed cert
strP7cFile = "testcerts1.p7c"
nRet = X509.ValidatePath(strP7cFile, "", False)
Console.WriteLine("X509_ValidatePath returns " & nRet & " (expected 0)")

' Same again but specify the trusted root cert
' (which is the same as the self-signed cert in the p7c file)
strP7cFile = "testcerts1.p7c"
strTrustedCert = "testcert00.cer"
nRet = X509.ValidatePath(strP7cFile, strTrustedCert, False)
Console.WriteLine("X509_ValidatePath returns " & nRet & " (expected 0)")

' Specify a cert list - testcert00.cer is the self-signed cert
strCertList = "testcert00.cer;testcert03.cer;testcert01.cer;testcert02.cer"
nRet = X509.ValidatePath(strCertList, "", False)
Console.WriteLine("X509_ValidatePath returns " & nRet & " (expected 0)")

' Same again but specify the trusted root cert (this time it is not in the list)
strCertList = "testcert01.cer;testcert02.cer;testcert03.cer"
strTrustedCert = "testcert00.cer"
nRet = X509.ValidatePath(strCertList, strTrustedCert, False)
Console.WriteLine("X509_ValidatePath returns " & nRet & " (expected 0)")

See Also:
X509.ValidatePath Method

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