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The secret is used to generate and verify delegation tokens. This is supplied using config option. This masterKey secret needs to be configured with all the brokers. The current proposal does not support rotation of masterKeysecret. We  require a requires a re-deployment when the masterKeysecret needs to be rotated.

Token acquisition

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// SCRAM credentials for tokenID token123: Zookeeper persistence path /tokenauth/tokens/token123
{
   "version":1,
   "owner" : "owner",
   "renewer" : "renewer",
   "issueDate" : "issueDate",
   "tokenUID" : "tokenUID"
};

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