}
my $access_condition_data = {
-0b000 => 'R:AB W:AB I:AB DTR:AB',
-0b010 => 'R:AB W:-- I:-- DTR:--',
-0b100 => 'R:AB W:-B I:-- DTR:--',
-0b110 => 'R:AB W:-B I:-B DTR:AB',
-0b001 => 'R:AB W:-- I:-- DTR:AB',
-0b011 => 'R:-B W:-B I:-- DTR:--',
-0b101 => 'R:-B W:-- I:-- DTR:--',
-0b111 => 'R:-- W:-- I:-- DTR:--',
+0b000 => 'R:AB W:AB I:AB DTR:AB transport conf',
+0b010 => 'R:AB W:-- I:-- DTR:-- r/w block',
+0b100 => 'R:AB W:-B I:-- DTR:-- r/w block',
+0b110 => 'R:AB W:-B I:-B DTR:AB r/w block',
+0b001 => 'R:AB W:-- I:-- DTR:AB value block',
+0b011 => 'R:-B W:-B I:-- DTR:-- value block',
+0b101 => 'R:-B W:-- I:-- DTR:-- r/w block',
+0b111 => 'R:-- W:-- I:-- DTR:-- r/w block',
};
my $access_condition_trailer = {
0b000 => 'R/W: KEYA:-/A ACCESS:A-/- DATB:A/A ?',
-0b010 => 'R/W: KEYA:-/- ACCESS:A-/- DATB:A/- ?'.
+0b010 => 'R/W: KEYA:-/- ACCESS:A-/- DATB:A/- ?',
0b100 => 'R/W: KEYA:-/B ACCESS:AB/- KEYB:-/B',
0b110 => 'R/W: KEYA:-/- ACCESS:AB/- KEYB:-/-',
-0b001 => 'R/W: KEYA:-/A ACCESS:A-/A DATB:A/A ?',
+0b001 => 'R/W: KEYA:-/A ACCESS:A-/A DATB:A/A ? transport conf',
0b011 => 'R/W: KEYA:-/B ACCESS:AB/B KEYB:-/B',
0b101 => 'R/W: KEYA:-/- ACCESS:AB/B KEYB:-/-',
0b111 => 'R/W: KEYA:-/- ACCESS:AB/- KEYB:-/-',
};
+my $life_cycle = {
+"\x78\x77\x88" => 'MAD INIT,RW',
+"\x7F\x07\x88" => 'NFC INIT,RW',
+"\x07\x8F\x0F" => 'READ ONLY',
+};
+
if ( $debug ) {
warn "# function_clusters ",dump($function_clusters);
local $/ = undef;
my $card = <>;
-die "expected 4096 bytes, got ",length($card), " bytes\n"
- unless length $card == 4096;
+die "expected 4096 or 1024 bytes, got ",length($card), " bytes\n"
+ unless length $card == 4096 || length $card == 1024;
my ( $ADV, $MA, $DA );
-foreach my $i ( 0 .. 15 ) {
+my $pos = 0;
+
+foreach my $sector ( 0 .. 39 ) {
+
+ my $blocks = $sector < 32 ? 4 : 16;
- my $pos = 0x40 * $i;
+ last if $pos >= length($card);
+ next if substr($card,$pos,$blocks * 0x10) eq "\x00" x ($blocks * 0x10);
- if ( $i == 0 ) {
+ # General purpose byte (GPB)
+ my $GBP = ord(substr($card,0x39,1));
+
+ if ( $sector == 0 ) {
printf "manufacturer block\nSerial number: %s\nCB: %s\nmanufacturer data: %s\n"
, unpack('H*',substr($card,0,4))
, unpack('H*',substr($card,4,1))
, unpack('H*',substr($card,5,11))
;
- # General purpose byte (GPB)
- my $gdp = ord(substr($card,0x39,1));
- $ADV = $gdp & 0b00000011;
- $MA = $gdp & 0b01000000;
- $DA = $gdp & 0b10000000;
+
+ # MAD
+ $ADV = $GBP & 0b00000011;
+ $MA = $GBP & 0b01000000;
+ $DA = $GBP & 0b10000000;
printf "ADV (MAD version code): %d\n", $ADV;
- printf "MA (multiapplication): %s\n", $MA ? 'yes' : 'monoaplication';
- printf "DA (MAD available): %s\n", $DA ? 'yes' : 'no';
+ printf "MA (multiapplication): %s\n", $MA ? 'yes' : 'monoaplication';
+ printf "DA (MAD available): %s%s\n", $DA ? 'yes' : 'no',
+ substr($card,$pos+0x30,6) eq "\xA0\xA1\xA2\xA3\xA4\xA5" ? ' public' : '';
printf "Info byte (publisher sector): %x\n", ord(substr($card,0x11,1));
} elsif ( $DA ) {
- my $mad_offset = 0x10 + ( $i * 2 );
+ my $mad_offset = 0x10 + ( $sector * 2 );
my $v = unpack('v',(substr($card, $mad_offset, 2)));
my $cluster_id = unpack('HH', (( $v & 0xff00 ) >> 8) );
my $full_id = sprintf "%04x",$v;
- printf "MAD sector %-2d@%x %04x [%s]\n%s\n", $i, $mad_offset, $v
+ printf "# sector %-2d MAD@%x %04x [%s]\n%s\n", $sector, $mad_offset, $v
, $function_clusters->{ $cluster_id }
, $mad_id->{$full_id} || "FIXME: add $full_id from MAD_overview.pdf to __DATA__ at end of $0"
;
}
} else {
- printf "# sector %-2d\n", $i;
+ printf "# sector %-2d with %d blocks\n", $sector, $blocks;
}
- my $c1 = ( ord(substr($card,$pos+0x37,1)) & 0xf0 ) >> 4;
- my $c2 = ( ord(substr($card,$pos+0x38,1)) & 0x0f );
- my $c3 = ( ord(substr($card,$pos+0x38,1)) & 0xf0 ) >> 4;
+ my $trailer_pos = $pos + $blocks * 0x10 - 0x10;
+ my $c1 = ( ord(substr($card,$trailer_pos+7,1)) & 0xf0 ) >> 4;
+ my $c2 = ( ord(substr($card,$trailer_pos+8,1)) & 0x0f );
+ my $c3 = ( ord(substr($card,$trailer_pos+8,1)) & 0xf0 ) >> 4;
+
+ printf "# trailer @%x %016b c1:%08b c2:%08b c3:%08b\n"
+ , unpack('n',(substr($card,$trailer_pos+7,2)))
+ , $trailer_pos, $c1, $c2, $c3
+ ;
- foreach my $j ( 0 .. 3 ) {
+ my $condition = '';
+ foreach my $j ( 0 .. $blocks - 1 ) {
my $offset = $pos + $j * 0x10;
my $block = substr($card, $offset, 0x10);
- my $mask = 1 << $j;
- my $cond
- = ( ( $c1 & $mask ) * 4 )
- + ( ( $c2 & $mask ) * 2 )
- + ( ( $c3 & $mask ) * 1 )
- ;
- $cond >>= $j;
+
+ my $acl_block =
+ $sector < 32 ? $j :
+ $j % 5 == 0 ? $j / 5 :
+ undef; # display condition only once for block group
+
+ if ( defined $acl_block ) {
+ my $trailer = $j == ( $blocks - 1 );
+ my $mask = 1 << $acl_block;
+ my $cond
+ = ( ( $c1 & $mask ) * 4 )
+ + ( ( $c2 & $mask ) * 2 )
+ + ( ( $c3 & $mask ) * 1 )
+ ;
+ $cond >>= $acl_block;
+ $condition = sprintf ' %03b %s'
+ , $cond
+ , $trailer ? $access_condition_trailer->{$cond}
+ : $access_condition_data->{$cond}
+ ;
+ if ( ! $trailer && ( $cond == 0b001 || $cond == 0b011 ) ) {
+ my $value_block = unpack 'x4Lx8', $block;
+ my $positive = $value_block & 0x8000_0000;
+ my $value = $value_block & 0x7fff_ffff;
+ $value = -$value if ! $positive;
+ #$condition .= sprintf " = %d 0x%x", $value, $value_block;
+ $condition .= " = " . $value;
+ }
+ } else {
+ $condition = '';
+ }
my $hex = unpack('H*',$block);
$hex =~ s/(....)/$1 /g;
- if ( $ENV{SWAP} && $j < 3 ) {
+ if ( $ENV{SWAP} ) {
my $hex_sw = unpack('h*',$block);
$hex_sw =~ s/(....)/$1 /g;
$hex .= " | $hex_sw";
}
- printf "%04x %s %03b %s\n", $offset, $hex
- , $cond
- , $j < 3 ? $access_condition_data->{$cond} : $access_condition_trailer->{$cond}
- ;
+ printf "%x %03x %s%s\n", $j, $offset, $hex, $condition;
}
-
- printf "KEY A:%s | %s GDP: %s | B:%s\n"
- ,unpack('H*',substr($card,$pos+0x30 ,6))
- ,unpack('H*',substr($card,$pos+0x30+6 ,3))
- ,unpack('H*',substr($card,$pos+0x30+9 ,1))
- ,unpack('H*',substr($card,$pos+0x30+10,6))
+ printf "KEY A:%s | %s GDP: %s | B:%s %s\n"
+ ,unpack('H*',substr($card,$trailer_pos ,6))
+ ,unpack('H*',substr($card,$trailer_pos+6 ,3))
+ ,unpack('H*',substr($card,$trailer_pos+9 ,1))
+ ,unpack('H*',substr($card,$trailer_pos+10,6))
+ ,$life_cycle->{substr($card,$trailer_pos+6,3)} || ''
;
print "\n";
+ $pos += $blocks * 0x10;
}
__DATA__
projects / perl-Mifare-MAD.git / blobdiff