This documentation is archived and is not being maintained.

MD5.Create Method (String)

Creates an instance of the specified implementation of the MD5 hash algorithm.

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

public static MD5 Create(
	string algName


Type: System.String
The name of the specific implementation of MD5 to use.

Return Value

Type: System.Security.Cryptography.MD5
A new instance of the specified implementation of MD5.


The algorithm described by the algName parameter was used with Federal Information Processing Standards (FIPS) mode enabled, but is not FIPS compatible.

Possible values for algName are System.Security.Cryptography.MD5, MD5, System.Security.Cryptography.MD5CryptoServiceProvider, and System.Security.Cryptography.MD5Managed.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.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.