MySQL 8 Administrator???s Guide

The keyring service

The keyring service provides an interface for securely storing sensitive information for internal server components and plugins to retrieve later. In the keyring service, the record from the keystore itself consists of data—the key and unique identifier by which the key can be accessed. The identifier consists of the following two parts:

1. key_id: The name. key_id or key ID values beginning with mysql_ are reserved by the MySQL server.
2. user_id: The user_id stands for an effective user_id per session. It can be NULL if there is no user context and the value does not necessarily need to be an actual user but depends upon the application.

The following are the common characteristics of the keyring service functions:

• Each ...