This documentation is archived and is not being maintained.

PasswordDeriveBytes::GetBytes Method

NOTE: This API is now obsolete. The non-obsolete alternative is GetBytes(Int32).

Returns pseudo-random key bytes.

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

[ObsoleteAttribute(L"Rfc2898DeriveBytes replaces PasswordDeriveBytes for deriving key material from a password and is preferred in new applications.")]
virtual array<unsigned char>^ GetBytes(
	int cb
) override


Type: System::Int32

The number of pseudo-random key bytes to generate.

Return Value

Type: array<System::Byte>
A byte array filled with pseudo-random key bytes.

This method can create any number of pseudo-random bytes. However, the strength of the byte sequence is limited by the number of bytes in the hash output.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 1.1, 1.0
Obsolete (compiler warning) in 3.5
Obsolete (compiler warning) in 3.5 SP1
Obsolete (compiler warning) in 3.0
Obsolete (compiler warning) in 3.0 SP1
Obsolete (compiler warning) in 3.0 SP2
Obsolete (compiler warning) in 2.0
Obsolete (compiler warning) in 2.0 SP1
Obsolete (compiler warning) in 2.0 SP2