1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
--
-- crypt() and gen_salt(): crypt-des
--
SELECT crypt('', 'NB');
crypt
---------------
NBPx/38Y48kHg
(1 row)
SELECT crypt('foox', 'NB');
crypt
---------------
NB53EGGqrrb5E
(1 row)
-- We are supposed to pass in a 2-character salt.
-- error since salt is too short:
SELECT crypt('password', 'a');
ERROR: invalid salt
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;
worked
--------
t
(1 row)
-- check disabling of built in crypto functions
SET pgcrypto.builtin_crypto_enabled = off;
UPDATE ctest SET salt = gen_salt('des');
ERROR: use of built-in crypto functions is disabled
UPDATE ctest SET res = crypt(data, salt);
ERROR: use of built-in crypto functions is disabled
RESET pgcrypto.builtin_crypto_enabled;
DROP TABLE ctest;
|
