X509Certificate Constructor (String, String)

For apps that target Windows Phone OS 7.0 and 7.1, do not use this member in your app. If you do, your code will throw a MethodAccessException. This member is security-critical, which restricts it to internal use by the .NET Framework for Windows Phone class library.


[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Initializes a new instance of the X509Certificate class by using a certificate file name and a password to access the certificate.

Namespace: System.Security.Cryptography.X509Certificates
Assembly: mscorlib (in mscorlib.dll)


<SecurityCriticalAttribute> _
Public Sub New ( _
    fileName As String, _
    password As String _
public X509Certificate(
    string fileName,
    string password


  • password
    Type: System..::.String
    The password required to access the X.509 certificate data.

Version Information

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0


Windows Phone

See Also


X509Certificate Class

X509Certificate Overload

System.Security.Cryptography.X509Certificates Namespace