pg_enc

pgpool-II 4.0.0 Documentation
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pg_enc -- AES256 password encryption utility

pg_enc [ option ...] -p

pg_enc [ option ...] password

pg_enc AES256 password encryption utility.

-k KEY_FILE --key-file= KEY_FILE: Set the path to the encryption key file. Default is the .pgpoolkey file located in the users home directory.
-K ENCRYPTION_KEY --enc-key= ENCRYPTION_KEY: Encryption key to be used for encrypting database passwords.
-f CONFIG_FILE --config-file= CONFIG_FILE: Specifies the pgpool.conf file.
-p --prompt: Prompt for database password using standard input.
-P --prompt-for-key: Prompt for encryption key using standard input.
-m --update-pass: Create encrypted password entry in the pool_passwd file.
-u your_username --username= your_username: Creates the pool_passwd entry for the database user called your_username .
-h --help: Prints the help for pg_enc .

Here is an example output:

pg_enc -p
db password: [your password]

./pg_enc foo
trying to read key from file /home/pgpool/.pgpoolkey

jglid1QRgiCl/vfhHUDyVA==
pool_passwd string: AESjglid1QRgiCl/vfhHUDyVA==

pg_enc can be used for pool_passwd passwords with:

pg_enc -m -f /path/to/pgpool.conf -u username -p
db password: [your password]

which will add an entry for username with the password given.