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69026470 |
1 | #!./perl -w |
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2 | |
3 | BEGIN { |
4 | chdir 't' if -d 't'; |
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5 | @INC = qw(. ../lib); |
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6 | } |
7 | |
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8 | BEGIN { |
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9 | use Config; |
10 | |
11 | require "test.pl"; |
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12 | |
13 | if( !$Config{d_crypt} ) { |
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14 | skip_all("crypt unimplemented"); |
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15 | } |
16 | else { |
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17 | plan(tests => 2); |
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18 | } |
19 | } |
20 | |
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21 | # Can't assume too much about the string returned by crypt(), |
22 | # and about how many bytes of the encrypted (really, hashed) |
23 | # string matter. |
24 | # |
25 | # HISTORICALLY the results started with the first two bytes of the salt, |
26 | # followed by 11 bytes from the set [./0-9A-Za-z], and only the first |
27 | # eight characters mattered, but those are probably no more safe |
28 | # bets, given alternative encryption/hashing schemes like MD5, |
29 | # C2 (or higher) security schemes, and non-UNIX platforms. |
30 | |
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31 | ok(substr(crypt("ab", "cd"), 2) ne substr(crypt("ab", "ce"), 2), "salt makes a difference"); |
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32 | |
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33 | ok(crypt("HI", "HO") eq crypt(join("",map{chr($_+256)}unpack"C*","HI"), "HO"), "low eight bits of Unicode"); |