| Package | Description | 
|---|---|
| org.apache.hadoop.hbase.ipc | 
 Tools to help define network clients and servers. 
 | 
| org.apache.hadoop.hbase.security.token | 
| Class and Description | 
|---|
| AuthenticationTokenSecretManager
 Manages an internal list of secret keys used to sign new authentication
 tokens as they are generated, and to valid existing tokens used for
 authentication. 
 | 
| Class and Description | 
|---|
| AuthenticationKey
 Represents a secret key used for signing and verifying authentication tokens
 by  
AuthenticationTokenSecretManager. | 
| AuthenticationTokenSecretManager
 Manages an internal list of secret keys used to sign new authentication
 tokens as they are generated, and to valid existing tokens used for
 authentication. 
 | 
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