pgcrypto update:

* test error handling
* add tests for des, 3des, cast5
* add some tests to blowfish, rijndael
* Makefile: ability to specify different tests for different crypto
  libraries, so we can skip des, 3des and cast5 for builtin.

Marko Kreen

contrib/pgcrypto/sql/des.sql

@@ -0,0 +1,24 @@
+--
+-- DES cipher
+--
+
+-- no official test vectors atm
+
+-- from blowfish.sql
+SELECT encode(encrypt(
+decode('0123456789abcdef', 'hex'),
+decode('fedcba9876543210', 'hex'),
+'des-ecb/pad:none'), 'hex');
+
+-- empty data
+select encode(	encrypt('', 'foo', 'des'), 'hex');
+-- 8 bytes key
+select encode(	encrypt('foo', '01234589', 'des'), 'hex');
+
+-- decrypt
+select decrypt(encrypt('foo', '0123456', 'des'), '0123456', 'des');
+
+-- iv
+select encode(encrypt_iv('foo', '0123456', 'abcd', 'des'), 'hex');
+select decrypt_iv(decode('50735067b073bb93', 'hex'), '0123456', 'abcd', 'des');
+