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encrypt_pw: avoid '+' for crypt salt

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And make salt less predictable.
This commit is contained in:
Dietmar Maurer 2017-03-30 08:53:12 +02:00
parent 0835385bea
commit 54028297ea
1 changed files with 9 additions and 2 deletions
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11
PVE/Auth/Plugin.pm
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@ -130,11 +130,18 @@ sub parse_tfa_config {
return $res;
}
my $salt_starter = time();
sub encrypt_pw {
my ($pw) = @_;
my $time = substr(Digest::SHA::sha1_base64 (time), 0, 8);
return crypt(encode("utf8", $pw), "\$5\$$time\$");
$salt_starter++;
my $salt = substr(Digest::SHA::sha1_base64(time() + $salt_starter + $$), 0, 8);
# crypt does not want '+' in salt (see 'man crypt')
$salt =~ s/\+/X/g;
return crypt(encode("utf8", $pw), "\$5\$$salt\$");
}
my $defaultData = {