MySQL 8.0 Release Notes
MySQL 8.0 Source Code Documentation
Pre-General Availability Draft: 2017-07-17
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MySQL includes several plugins that implement security features:
Plugins for authenticating attempts by clients to connect to MySQL Server. Plugins are available for several authentication protocols. For general discussion of the authentication process, see Section 6.3.10, “Pluggable Authentication”. For characteristics of specific authentication plugins, see Section 6.5.1, “Authentication Plugins”.
A password-validation plugin for implementing password strength policies and assessing the strength of potential passwords. See Section 6.5.3, “The Password Validation Plugin”.
A keyring plugin that provides secure storage for sensitive information. See Section 6.5.4, “The MySQL Keyring”.