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X509Certificate2.X509Certificate2(String, String) Constructor

Initializes a new instance of the X509Certificate2 class using a certificate file name and a password used to access the certificate.

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

public X509Certificate2 (
	string fileName,
	string password
)
public X509Certificate2 (
	String fileName, 
	String password
)
public function X509Certificate2 (
	fileName : String, 
	password : String
)
Not applicable.

Parameters

fileName

The name of a certificate file.

password

The password required to access the X.509 certificate data.

Exception typeCondition

CryptographicException

An error with the certificate occurs. For example:

  • The certificate file does not exist.

  • The certificate is invalid.

  • The certificate's password is incorrect.

This constructor creates a new X509Certificate2 object using a certificate file name and a password needed to access the certificate. It is used with PKCS12 (PFX) files that contain the certificate's private key. Calling this constructor with the correct password decrypts the private key and saves it to a key container.

Security noteSecurity Note:

Never hard code a password within your source code. Hard-coded passwords can be retrieved from an assembly using the MSIL Disassembler (Ildasm.exe), a hex editor, or by simply opening up the assembly in a text editor such as Notepad.exe.

If you create an X509Certificate2 certificate by specifying a PKCS7 signed file store for fileName, the X509Certificate2 is created for the certificate that signed the store rather than for any of the certificates within the store.

  • SecurityPermission  for accessing unmanaged code. Associated enumeration: UnmanagedCode Security action: LinkDemand
  • SecurityPermission  for accessing unmanaged code. Associated enumeration: UnmanagedCode Security action: InheritanceDemand

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0
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