This documentation is archived and is not being maintained.

CryptoConfig.MapNameToOID Method

Gets the object identifier (OID) of the algorithm corresponding to the specified simple name.

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

public static string MapNameToOID(
	string name


Type: System.String
The simple name of the algorithm for which to get the OID.

Return Value

Type: System.String
The OID of the specified algorithm.


The name parameter is null.

For a list of simple names recognized by this class, see CryptoConfig.

The following code example demonstrates how to call the MapNameToOID method to retrieve an object identifier (OID) from the string name of the SHA1 algorithm. This code example is part of a larger example provided for the CryptoConfig class.

string sha1Oid = CryptoConfig.MapNameToOID("SHA1");

.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.