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Add -m 6600 unit test

This commit is contained in:
jsteube 2019-02-15 20:16:51 +01:00
parent 158b93832c
commit 4f947bd40a

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#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Crypt::CBC;
use Crypt::PBKDF2;
sub module_constraints { [[0, 255], [-1, -1], [0, 255], [-1, -1], [-1, -1]] }
sub get_random_agilekeychain_salt
{
my $salt_buf = random_bytes (8);
my $iv = random_bytes (16);
my $prefix = "\x00" x 1008;
my $ret = unpack ("H*", $salt_buf . $prefix . $iv);
return $ret;
}
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $iter = shift // 1000;
if (length $salt == 0)
{
$salt = get_random_agilekeychain_salt ();
}
my $salt_hex = substr ($salt, 0, 16);
my $salt_bin = pack ("H*", $salt_hex);
my $prefix = substr ($salt, 16, 2016);
my $iv_hex = substr ($salt, 2032);
my $iv = pack ("H*", $iv_hex);
my $data = pack ("H*", "10101010101010101010101010101010");
my $hasher = Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA1');
my $pbkdf2 = Crypt::PBKDF2->new (
hasher => $hasher,
iterations => $iter,
output_len => 16
);
my $key = $pbkdf2->PBKDF2 ($salt_bin, $word);
my $cipher = Crypt::CBC->new ({
key => $key,
cipher => "Crypt::Rijndael",
iv => $iv,
literal_key => 1,
header => "none",
keysize => 16
});
my $encrypted = unpack ("H*", $cipher->encrypt ($data));
my $hash_buf = substr ($encrypted, 0, 32);
my $hash = sprintf ("%i:%s:%s%s%s", $iter, $salt_hex, $prefix, $iv_hex, $hash_buf);
return $hash;
}
sub module_verify_hash
{
my $line = shift;
my $num_cols = () = $line =~ /:/g;
return unless ($num_cols > 2);
my $index1 = index ($line, ":");
return if $index1 < 1;
my $iter = substr ($line, 0, $index1);
my $index2 = index ($line, ":", $index1 + 1);
return if $index2 < 1;
my $salt = substr ($line, $index1 + 1, $index2 - $index1 - 1);
$index1 = index ($line, ":", $index2 + 1);
return if $index1 < 1;
$salt .= substr ($line, $index2 + 1, $index1 - $index2 - 33);
my $word = substr ($line, $index1 + 1);
return unless defined $salt;
return unless defined $word;
$word = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word, $salt, $iter);
return ($new_hash, $word);
}
1;