Xiaolin Talks Programming

Jul 22, 2026 · Backend Development

Spring Boot Field Encryption with HashiCorp Vault: Production-Ready Patterns

This article demonstrates how to implement field-level encryption in Spring Boot using HashiCorp Vault's Transit engine, covering client configuration, unified encryption service, JPA and MyBatis integration, blind indexing for query performance, key rotation without downtime, disaster recovery, and defense-in-depth practices like HSM-backed root keys and audit logging.