-- -- crypt() and gen_salt(): bcrypt -- SELECT crypt('', '$2a$06$RQiOJ.3ELirrXwxIZY8q0O'); SELECT crypt('foox', '$2a$06$RQiOJ.3ELirrXwxIZY8q0O'); -- error, salt too short: SELECT crypt('foox', '$2a$'); -- error, first digit of count in salt invalid SELECT crypt('foox', '$2a$40$RQiOJ.3ELirrXwxIZY8q0O'); -- error, count in salt too small SELECT crypt('foox', '$2a$00$RQiOJ.3ELirrXwxIZY8q0O'); CREATE TABLE ctest (data text, res text, salt text); INSERT INTO ctest VALUES ('password', '', ''); UPDATE ctest SET salt = gen_salt('bf', 8); UPDATE ctest SET res = crypt(data, salt); SELECT res = crypt(data, res) AS "worked" FROM ctest; DROP TABLE ctest;