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SubjectIdentifierType Enumeration

The SubjectIdentifierType enumeration defines the type of subject identifier.

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

public enum SubjectIdentifierType

Member nameDescription
UnknownThe type of subject identifier is unknown.
IssuerAndSerialNumberThe subject is identified by the certificate issuer and serial number.
SubjectKeyIdentifierThe subject is identified by the hash of the subject's public key. The hash algorithm used is determined by the signature algorithm suite in the subject's certificate.
NoSignatureThe subject is identified as taking part in an integrity check operation that uses only a hashing algorithm.

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: 3.5, 3.0, 2.0