Native format of Hashcat password "recovery" utility
This page hosts a formal specification of Hashcat capture file using Kaitai Struct. This specification can be automatically translated into a variety of programming languages to get a parsing library.
# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild
use strict;
use warnings;
use IO::KaitaiStruct 0.009_000;
########################################################################
package Hccapx;
our @ISA = 'IO::KaitaiStruct::Struct';
sub from_file {
my ($class, $filename) = @_;
my $fd;
open($fd, '<', $filename) or return undef;
binmode($fd);
return new($class, IO::KaitaiStruct::Stream->new($fd));
}
sub new {
my ($class, $_io, $_parent, $_root) = @_;
my $self = IO::KaitaiStruct::Struct->new($_io);
bless $self, $class;
$self->{_parent} = $_parent;
$self->{_root} = $_root || $self;;
$self->_read();
return $self;
}
sub _read {
my ($self) = @_;
$self->{records} = ();
while (!$self->{_io}->is_eof()) {
push @{$self->{records}}, Hccapx::HccapxRecord->new($self->{_io}, $self, $self->{_root});
}
}
sub records {
my ($self) = @_;
return $self->{records};
}
########################################################################
package Hccapx::HccapxRecord;
our @ISA = 'IO::KaitaiStruct::Struct';
sub from_file {
my ($class, $filename) = @_;
my $fd;
open($fd, '<', $filename) or return undef;
binmode($fd);
return new($class, IO::KaitaiStruct::Stream->new($fd));
}
sub new {
my ($class, $_io, $_parent, $_root) = @_;
my $self = IO::KaitaiStruct::Struct->new($_io);
bless $self, $class;
$self->{_parent} = $_parent;
$self->{_root} = $_root || $self;;
$self->_read();
return $self;
}
sub _read {
my ($self) = @_;
$self->{magic} = $self->{_io}->read_bytes(4);
$self->{version} = $self->{_io}->read_u4le();
$self->{ignore_replay_counter} = $self->{_io}->read_bits_int_be(1);
$self->{message_pair} = $self->{_io}->read_bits_int_be(7);
$self->{_io}->align_to_byte();
$self->{len_essid} = $self->{_io}->read_u1();
$self->{essid} = $self->{_io}->read_bytes($self->len_essid());
$self->{padding1} = $self->{_io}->read_bytes((32 - $self->len_essid()));
$self->{keyver} = $self->{_io}->read_u1();
$self->{keymic} = $self->{_io}->read_bytes(16);
$self->{mac_ap} = $self->{_io}->read_bytes(6);
$self->{nonce_ap} = $self->{_io}->read_bytes(32);
$self->{mac_station} = $self->{_io}->read_bytes(6);
$self->{nonce_station} = $self->{_io}->read_bytes(32);
$self->{len_eapol} = $self->{_io}->read_u2le();
$self->{eapol} = $self->{_io}->read_bytes($self->len_eapol());
$self->{padding2} = $self->{_io}->read_bytes((256 - $self->len_eapol()));
}
sub magic {
my ($self) = @_;
return $self->{magic};
}
sub version {
my ($self) = @_;
return $self->{version};
}
sub ignore_replay_counter {
my ($self) = @_;
return $self->{ignore_replay_counter};
}
sub message_pair {
my ($self) = @_;
return $self->{message_pair};
}
sub len_essid {
my ($self) = @_;
return $self->{len_essid};
}
sub essid {
my ($self) = @_;
return $self->{essid};
}
sub padding1 {
my ($self) = @_;
return $self->{padding1};
}
sub keyver {
my ($self) = @_;
return $self->{keyver};
}
sub keymic {
my ($self) = @_;
return $self->{keymic};
}
sub mac_ap {
my ($self) = @_;
return $self->{mac_ap};
}
sub nonce_ap {
my ($self) = @_;
return $self->{nonce_ap};
}
sub mac_station {
my ($self) = @_;
return $self->{mac_station};
}
sub nonce_station {
my ($self) = @_;
return $self->{nonce_station};
}
sub len_eapol {
my ($self) = @_;
return $self->{len_eapol};
}
sub eapol {
my ($self) = @_;
return $self->{eapol};
}
sub padding2 {
my ($self) = @_;
return $self->{padding2};
}
1;