mirror of
https://github.com/ilyakooo0/nixpkgs.git
synced 2024-11-15 13:37:21 +03:00
97 lines
3.2 KiB
Diff
97 lines
3.2 KiB
Diff
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diff --git a/src/mfoc.c b/src/mfoc.c
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index 0cb917d..195de68 100644
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--- a/src/mfoc.c
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+++ b/src/mfoc.c
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@@ -93,8 +93,8 @@ int main(int argc, char *const argv[])
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{0x58, 0x7e, 0xe5, 0xf9, 0x35, 0x0f},
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{0xa0, 0x47, 0x8c, 0xc3, 0x90, 0x91},
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{0x53, 0x3c, 0xb6, 0xc7, 0x23, 0xf6},
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- {0x8f, 0xd0, 0xa4, 0xf2, 0x56, 0xe9}
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-
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+ {0x8f, 0xd0, 0xa4, 0xf2, 0x56, 0xe9},
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+ {0xb4, 0xc1, 0x32, 0x43, 0x9e, 0xef}
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};
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mftag t;
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@@ -219,12 +219,31 @@ int main(int argc, char *const argv[])
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goto error;
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}
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- // Save tag's block size (b4K)
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- t.b4K = (t.nt.nti.nai.abtAtqa[1] == 0x02);
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t.authuid = (uint32_t) bytes_to_num(t.nt.nti.nai.abtUid + t.nt.nti.nai.szUidLen - 4, 4);
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- t.num_blocks = (t.b4K) ? 0xff : 0x3f;
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- t.num_sectors = t.b4K ? NR_TRAILERS_4k : NR_TRAILERS_1k;
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+ // Get Mifare Classic type from SAK
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+ // see http://www.nxp.com/documents/application_note/AN10833.pdf Section 3.2
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+ switch (t.nt.nti.nai.btSak)
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+ {
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+ case 0x08:
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+ printf("Found Mifare Classic 1k tag\n");
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+ t.num_sectors = NR_TRAILERS_1k;
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+ t.num_blocks = NR_BLOCKS_1k;
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+ break;
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+ case 0x09:
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+ printf("Found Mifare Classic Mini tag\n");
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+ t.num_sectors = NR_TRAILERS_MINI;
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+ t.num_blocks = NR_BLOCKS_MINI;
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+ break;
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+ case 0x18:
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+ printf("Found Mifare Classic 4k tag\n");
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+ t.num_sectors = NR_TRAILERS_4k;
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+ t.num_blocks = NR_BLOCKS_4k;
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+ break;
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+ defaul:
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+ ERR("Cannot determine card type from SAK");
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+ goto error;
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+ }
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t.sectors = (void *) calloc(t.num_sectors, sizeof(sector));
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if (t.sectors == NULL) {
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@@ -564,7 +583,7 @@ void usage(FILE *stream, int errno)
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fprintf(stream, " k try the specified key in addition to the default keys\n");
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// fprintf(stream, " D number of distance probes, default is 20\n");
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// fprintf(stream, " S number of sets with keystreams, default is 5\n");
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- fprintf(stream, " P number of probes per sector, instead of default of 20\n");
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+ fprintf(stream, " P number of probes per sector, instead of default of 150\n");
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fprintf(stream, " T nonce tolerance half-range, instead of default of 20\n (i.e., 40 for the total range, in both directions)\n");
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// fprintf(stream, " s specify the list of sectors to crack, for example -s 0,1,3,5\n");
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fprintf(stream, " O file in which the card contents will be written (REQUIRED)\n");
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diff --git a/src/mfoc.h b/src/mfoc.h
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index b411670..532e834 100644
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--- a/src/mfoc.h
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+++ b/src/mfoc.h
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@@ -2,11 +2,21 @@
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#define TRY_KEYS 50
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// Number of trailers == number of sectors
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-// 16x64b = 16
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+// Mifare Classic 1k 16x64b = 16
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#define NR_TRAILERS_1k (16)
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-// 32x64b + 8*256b = 40
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+// Mifare Classic Mini
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+#define NR_TRAILERS_MINI (5)
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+// Mifare Classic 4k 32x64b + 8*256b = 40
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#define NR_TRAILERS_4k (40)
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+// Number of blocks
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+// Mifare Classic 1k
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+#define NR_BLOCKS_1k 0x3f
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+// Mifare Classic Mini
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+#define NR_BLOCKS_MINI 0x13
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+// Mifare Classic 4k
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+#define NR_BLOCKS_4k 0xff
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+
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#define MAX_FRAME_LEN 264
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// Used for counting nonce distances, explore [nd-value, nd+value]
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@@ -46,7 +56,6 @@ typedef struct {
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uint8_t num_sectors;
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uint8_t num_blocks;
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uint32_t authuid;
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- bool b4K;
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} mftag;
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typedef struct {
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