Import Method (String, SecureString, X509KeyStorageFlags)

X509Certificate.Import Method (String, SecureString, X509KeyStorageFlags)

Populates an X509Certificate object with information from a certificate file, a password, and a key storage flag.

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

[PermissionSetAttribute(SecurityAction.InheritanceDemand, Unrestricted = true)]
public virtual void Import(
	string fileName,
	SecureString password,
	X509KeyStorageFlags keyStorageFlags


Type: System.String
The name of a certificate file.
Type: System.Security.SecureString
The password required to access the X.509 certificate data.
Type: System.Security.Cryptography.X509Certificates.X509KeyStorageFlags
A bitwise combination of the enumeration values that control where and how to import the certificate.


The fileName parameter is null.

Security noteSecurity Note

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

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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