depau/mfoc-always-skip-probes
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Implemented Mifare Mini using FireFart's patch

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This commit is contained in:
Marcos Vives Del Sol 2015-03-17 16:06:16 +01:00
parent b31ac50224
commit f13efb0a6d
2 changed files with 35 additions and 7 deletions
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27
src/mfoc.c
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@ -219,12 +219,31 @@ int main(int argc, char *const argv[])
goto error; goto error;
} }
// Save tag's block size (b4K)
t.b4K = (t.nt.nti.nai.abtAtqa[1] == 0x02);
t.authuid = (uint32_t) bytes_to_num(t.nt.nti.nai.abtUid + t.nt.nti.nai.szUidLen - 4, 4); t.authuid = (uint32_t) bytes_to_num(t.nt.nti.nai.abtUid + t.nt.nti.nai.szUidLen - 4, 4);
t.num_blocks = (t.b4K) ? 0xff : 0x3f; // Get Mifare Classic type from SAK
t.num_sectors = t.b4K ? NR_TRAILERS_4k : NR_TRAILERS_1k; // see http://www.nxp.com/documents/application_note/AN10833.pdf Section 3.2
switch (t.nt.nti.nai.btSak)
{
case 0x08:
printf("Found Mifare Classic 1k tag\n");
t.num_sectors = NR_TRAILERS_1k;
t.num_blocks = NR_BLOCKS_1k;
break;
case 0x09:
printf("Found Mifare Classic Mini tag\n");
t.num_sectors = NR_TRAILERS_MINI;
t.num_blocks = NR_BLOCKS_MINI;
break;
case 0x18:
printf("Found Mifare Classic 4k tag\n");
t.num_sectors = NR_TRAILERS_4k;
t.num_blocks = NR_BLOCKS_4k;
break;
defaul:
ERR("Cannot determine card type from SAK");
goto error;
}
t.sectors = (void *) calloc(t.num_sectors, sizeof(sector)); t.sectors = (void *) calloc(t.num_sectors, sizeof(sector));
if (t.sectors == NULL) { if (t.sectors == NULL) {

15
src/mfoc.h
View file

@ -2,11 +2,21 @@
#define TRY_KEYS 50 #define TRY_KEYS 50
// Number of trailers == number of sectors // Number of trailers == number of sectors
// 16x64b = 16 // Mifare Classic 1k 16x64b = 16
#define NR_TRAILERS_1k (16) #define NR_TRAILERS_1k (16)
// 32x64b + 8*256b = 40 // Mifare Classic Mini
#define NR_TRAILERS_MINI (5)
// Mifare Classic 4k 32x64b + 8*256b = 40
#define NR_TRAILERS_4k (40) #define NR_TRAILERS_4k (40)
// Number of blocks
// Mifare Classic 1k
#define NR_BLOCKS_1k 0x3f
// Mifare Classic Mini
#define NR_BLOCKS_MINI 0x13
// Mifare Classic 4k
#define NR_BLOCKS_4k 0xff
#define MAX_FRAME_LEN 264 #define MAX_FRAME_LEN 264
// Used for counting nonce distances, explore [nd-value, nd+value] // Used for counting nonce distances, explore [nd-value, nd+value]
@ -46,7 +56,6 @@ typedef struct {
uint8_t num_sectors; uint8_t num_sectors;
uint8_t num_blocks; uint8_t num_blocks;
uint32_t authuid; uint32_t authuid;
bool b4K;
} mftag; } mftag;
typedef struct { typedef struct {