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# Overview of pg_tde CLI tools
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The `pg_tde` extension introduces new command-line utilities and extends some existing PostgreSQL tools to support encrypted WAL and tables.
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## New tools
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These tools are introduced by `pg_tde` to support key rotation and WAL encryption workflows:
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* [pg_tde_change_key_provider](./pg-tde-change-key-provider.md): change the encryption key provider for a database
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* [pg_tde_archive_decrypt](./pg-tde-archive-decrypt.md): decrypts WAL before archiving
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* [pg_tde_restore_encrypt](./pg-tde-restore-encrypt.md): a custom restore command for making sure the restored WAL is encrypted
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## Extended tools
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These existing PostgreSQL tools are enhanced to support `pg_tde`:
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* [pg_checksums](./pg-tde-checksums.md): verify data checksums (non-encrypted files only)
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* [pg_waldump](./pg-waldump.md): inspect and decrypt WAL files
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