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Package org.apache.hadoop.security

Removed Classes
Group A group to which a user belongs to.
SecurityUtil.AccessControlList Class representing a configured access control list.
UnixUserGroupInformation An implementation of UserGroupInformation in the Unix system
User The username of a user.
 

Added Classes and Interfaces
Credentials A class that provides the facilities of reading and writing secret keys and Tokens.
Groups A user-to-groups mapping service.
KerberosInfo Indicates Kerberos related information to be used
KerberosName This class implements parsing and handling of Kerberos principal names.
KerberosName.BadFormatString  
KerberosName.NoMatchingRule  
Krb5AndCertsSslSocketConnector Extend Jetty's SslSocketConnector to optionally also provide Kerberos5ized SSL sockets.
Krb5AndCertsSslSocketConnector.
Krb5SslFilter
Filter that takes the Kerberos principal identified in the Krb5AndCertsSslSocketConnector and provides it the to the servlet at runtime setting the principal and short name.
Krb5AndCertsSslSocketConnector.
MODE
 
RefreshUserMappingsProtocol Protocol use
SaslInputStream A SaslInputStream is composed of an InputStream and a SaslServer (or SaslClient) so that read() methods return data that are read in from the underlying InputStream but have been additionally processed by the SaslServer (or SaslClient) object.
SaslOutputStream A SaslOutputStream is composed of an OutputStream and a SaslServer (or SaslClient) so that write() methods first process the data before writing them out to the underlying OutputStream.
SaslRpcClient A utility class that encapsulates SASL logic for RPC client
SaslRpcServer A utility class for dealing with SASL on RPC server
SaslRpcServer.AuthMethod Authentication method
SaslRpcServer.QualityOfProtection  
SaslRpcServer.SaslDigestCallbackHandler CallbackHandler for SASL DIGEST-MD5 mechanism
SaslRpcServer.SaslGssCallbackHandler CallbackHandler for SASL GSSAPI Kerberos mechanism
SaslRpcServer.SaslStatus  
ShellBasedUnixGroupsMapping A simple shell-based implementation of GroupMappingServiceProvider that exec's the groups shell command to fetch the group memberships of a given user.
UserGroupInformation.
AuthenticationMethod
existing types of authentications' methods
UserGroupInformation.
HadoopLoginModule
A login module that looks at the Kerberos Unix or Windows principal and adds the corresponding UserName.
 

Changed Classes
SecurityUtil  
UserGroupInformation User and group information for Hadoop.