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
39
40
41
42
43
44
45
46
|
#!./perl -w
BEGIN {
chdir 't' if -d 't';
@INC = qw(. ../lib);
}
BEGIN {
use Config;
require "test.pl";
if( !$Config{d_crypt} ) {
skip_all("crypt unimplemented");
}
else {
plan(tests => 4);
}
}
# Can't assume too much about the string returned by crypt(),
# and about how many bytes of the encrypted (really, hashed)
# string matter.
#
# HISTORICALLY the results started with the first two bytes of the salt,
# followed by 11 bytes from the set [./0-9A-Za-z], and only the first
# eight characters mattered, but those are probably no more safe
# bets, given alternative encryption/hashing schemes like MD5,
# C2 (or higher) security schemes, and non-UNIX platforms.
SKIP: {
skip ("VOS crypt ignores salt.", 1) if ($^O eq 'vos');
ok(substr(crypt("ab", "cd"), 2) ne substr(crypt("ab", "ce"), 2), "salt makes a difference");
}
$a = "a\xFF\x{100}";
eval {$b = crypt($a, "cd")};
like($@, qr/Wide character in crypt/, "wide characters ungood");
chop $a; # throw away the wide character
eval {$b = crypt($a, "cd")};
is($@, '', "downgrade to eight bit characters");
is($b, crypt("a\xFF", "cd"), "downgrade results agree");
|
