KMIP (Key Management Interoperability Protocol) is an open standard developed by OASIS (Organization for Advancement of Structured Information Standards) for the encryption of stored data and cryptographic key management. Percona Server for MySQL 8.0.27 and Percona XtraBackup 8.0.27 now include a KMIP keyring plugin to enable the exchange of cryptographic keys between a key management [&]

https://www.percona.com/blog/using-percona-server-for-mysql-8-0-and-percona-xtrabackup-8-0-with-hashicorp-vault-enterprise-kmip-secrets-engine/