@Exported
| Interface | Description | 
|---|---|
| PrincipalComparator | An object that implements the  java.security.Principalinterface typically also implements this interface to provide
 a means for comparing that object to a specifiedSubject. | 
| Class | Description | 
|---|---|
| LdapPrincipal | A principal identified by a distinguished name as specified by
 RFC 2253. | 
| NTDomainPrincipal |  This class implements the  Principalinterface
 and represents the name of the Windows NT domain into which the
 user authenticated. | 
| NTNumericCredential |  This class abstracts an NT security token
 and provides a mechanism to do same-process security impersonation. | 
| NTSid |  This class implements the  Principalinterface
 and represents information about a Windows NT user, group or realm. | 
| NTSidDomainPrincipal |  This class extends  NTSidand represents a Windows NT user's domain SID. | 
| NTSidGroupPrincipal |  This class extends  NTSidand represents one of the groups to which a Windows NT user belongs. | 
| NTSidPrimaryGroupPrincipal |  This class extends  NTSidand represents a Windows NT user's primary group SID. | 
| NTSidUserPrincipal |  This class extends  NTSidand represents a Windows NT user's SID. | 
| NTUserPrincipal |  This class implements the  Principalinterface
 and represents a Windows NT user. | 
| PolicyFile | Deprecated As of JDK 1.4, replaced by
              sun.security.provider.PolicyFile. | 
| SolarisNumericGroupPrincipal | Deprecated As of JDK 1.4, replaced by
              UnixNumericGroupPrincipal. | 
| SolarisNumericUserPrincipal | Deprecated As of JDK 1.4, replaced by
              UnixNumericUserPrincipal. | 
| SolarisPrincipal | Deprecated As of JDK 1.4, replaced by
              UnixPrincipal. | 
| UnixNumericGroupPrincipal |  This class implements the  Principalinterface
 and represents a user's Unix group identification number (GID). | 
| UnixNumericUserPrincipal |  This class implements the  Principalinterface
 and represents a user's Unix identification number (UID). | 
| UnixPrincipal |  This class implements the  Principalinterface
 and represents a Unix user. | 
| UserPrincipal | A user principal identified by a username or account name. | 
| X500Principal | Deprecated A new X500Principal class is available in the Java platform. | 
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