X509Certificate Constructor (Byte[], SecureString)

X509Certificate Constructor (Byte[], SecureString)

Note: This constructor is new in the .NET Framework version 2.0.

Initializes a new instance of the X509Certificate class using a byte array and a password.

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

public X509Certificate (
	byte[] rawData,
	SecureString password
public X509Certificate (
	byte[] rawData, 
	SecureString password
public function X509Certificate (
	rawData : byte[], 
	password : SecureString



A byte array that contains data from an X.509 certificate.


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

Exception typeCondition


The rawData parameter is a null reference (Nothing in Visual Basic).


The length of the rawData parameter is 0.

ASN.1 DER is the only certificate format supported by this class.

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 the assembly in a text editor such as Notepad.exe.

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0

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