PasswordDeriveBytes.PasswordDeriveBytes(String, Byte[], String, Int32, CspParameters) Constructor

Initializes a new instance of the PasswordDeriveBytes class with the password, key salt, hash name, number of iterations, and cryptographic service provider (CSP) parameters to use to derive the key.

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

PasswordDeriveBytes (
	String^ strPassword, 
	array<unsigned char>^ rgbSalt, 
	String^ strHashName, 
	int iterations, 
	CspParameters^ cspParams
public PasswordDeriveBytes (
	String strPassword, 
	byte[] rgbSalt, 
	String strHashName, 
	int iterations, 
	CspParameters cspParams
public function PasswordDeriveBytes (
	strPassword : String, 
	rgbSalt : byte[], 
	strHashName : String, 
	iterations : int, 
	cspParams : CspParameters
Not applicable.



The password for which to derive the key.


The key salt to use to derive the key.


The name of the hash algorithm for the operation.


The number of iterations for the operation.


The CSP parameters for the operation.

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) tool, a hex editor, or by simply opening up the assembly in a text editor like notepad.exe.

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, 1.1, 1.0

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