Sumangala Patki created HADOOP-17912:
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             Summary: ABFS: Support for Encryption Context
                 Key: HADOOP-17912
                 URL: https://issues.apache.org/jira/browse/HADOOP-17912
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/azure
    Affects Versions: 3.3.1
            Reporter: Sumangala Patki
            Assignee: Sumangala Patki


Support for customer-provided encryption keys at the file level, superceding 
the global (account-level) key use in HADOOP-17536.

ABFS driver will support an "EncryptionContext" plugin for retrieving 
encryption information, the implementation for which should be provided by the 
client. The keys/context retrieved will be sent via request headers to the 
server, which will store the encryption context. Subsequent REST calls to 
server that access data/user metadata of the file will require fetching the 
encryption context through a GetFileProperties call and retrieving the key from 
the custom provider, before sending the request.



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