| Package | Description | 
|---|---|
| org.apache.hadoop.yarn.security.client | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ClientToAMTokenSecretManagerA simple  SecretManagerfor AMs to validate Client-RM tokens issued to
 clients by the RM using the underlying master-key shared by RM to the AMs on
 their launch. | 
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