-- -- crypt() and gen_salt(): crypt-des -- SELECT crypt('', 'NB'); SELECT crypt('foox', 'NB'); CREATE TABLE ctest (data text, res text, salt text); INSERT INTO ctest VALUES ('password', '', ''); UPDATE ctest SET salt = gen_salt('des'); UPDATE ctest SET res = crypt(data, salt); SELECT res = crypt(data, res) AS "worked" FROM ctest; DROP TABLE ctest;