PG_TDE_INFO displays the encryption information about the current cluster.

**Table 1** PG_TDE_INFO columns
Column	Type	Description
is_encrypt	Text	Whether the cluster is an encryption cluster f: Non-encryption cluster t: Encryption cluster
g_tde_algo	Text	Encryption algorithm AES-CTR-128
remain	Text	Reserved columns

Check whether the current cluster is encrypted, and check the encryption algorithm (if any) used by the current cluster.

SELECT * FROM PG_TDE_INFO;
 is_encrypt | g_tde_algo  | remain
------------+-------------+--------
 f          | AES-CTR-128 | remain
(1 row)