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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 class 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.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.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.
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