![]() ![]() However, it requires either encrypted connections or support for an RSA key pair. It uses multiple rounds of SHA256 hash on a salted password to make sure that the hash transformation is more secure. Since MySQL 5.6, authentication plugin is supported. Since salt is random and different for each execution, even if two users use the same passwords, the end result of transformation would look very different. Salt is basically a random number that is used as one of the inputs to used to transform user passwords. ![]() Although the hash does not expose information about the actual password, it still tells which two users use the same password. ![]() Further, if two user accounts use the same password, mysql_native_password transformation is the same in the er table. However, mysql_native_password relies on SHA1 algorithm and has suggested to stop using it. Why did we do it? The advantage of mysql_native_password is that it support challenge-response mechanism which is very quick and does not require encrypted connection. Correspondingly, libmysqlclient will now use caching_sha2_password as the default authentication mechanism, too. Starting with MySQL 8.0.4, we are changing the default authentication plugin for MySQL server from to.
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