Slightly Saner Server-Side Symmetric Encryption in PostgreSQL

Concepts

PostgreSQL PGCrypto Extension

Threat Model

  • use TLS encryption — even on internal networks
  • use a VLAN (if possible) or VPN
  • the database’s journal (aka the server’s hard disk). This must be protected against both attackers with access to a live system and attackers with access to backup media
  • the database client as it receives the data from the network.

Topics

  • user-defined types in C and/or PL/Java
  • accessing external key vaults such as Hashicorp Vault

Additional Resources

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