Dan Wang created ZOOKEEPER-4895:
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Summary: Introduce a helper function for C client to generate
password for SASL authentication
Key: ZOOKEEPER-4895
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4895
Project: ZooKeeper
Issue Type: New Feature
Components: c client
Reporter: Dan Wang
C client has provided zoo_sasl_make_basic_callbacks() function to help users
initialize SASL callbacks with the password in the specified file. The client
would use this password directly for SASL authentication.
However, considering the security of the production environment, the password
in a file is usually encrypted. Also, security software also scans files in the
system and will issue an alert if it detects an unencrypted password.
Therefore, we need a mechanism to read the encrypted text from the file and
decrypt it to obtain the real password.
To achieve this, a helper function is introduced to decrypt the encrypted text
in the file using a user-provided custom callback. A handback object is also
introduced to provide necessary information for the decryption.
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