Made script-based default key check a bit more intelligent, so it works not only...

[proxmark3-svn] / armsrc / mifareutil.c

diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c
index 8970813567d2a5ede69d2a43e20a5418b2771aca..4f4e978c0a4a493e80848e077a652d2a65184c58 100644 (file)
--- a/armsrc/mifareutil.c
+++ b/armsrc/mifareutil.c
@@ -1,5 +1,5 @@
 //-----------------------------------------------------------------------------\r
 //-----------------------------------------------------------------------------\r

-// Merlok, May 2011\r
+// Merlok, May 2011, 2012\r

 // Many authors, whom made it possible\r
 //\r
 // This code is licensed to you under the terms of the GNU GPL, version 2 or,\r
 // Many authors, whom made it possible\r
 //\r
 // This code is licensed to you under the terms of the GNU GPL, version 2 or,\r


@@ -77,12 +77,12 @@ uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {
 }\r
 \r
 // send commands\r
 }\r
 \r
 // send commands\r

-int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer)\r
+int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint32_t *timing)\r

 {\r
 {\r

-       return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, NULL);\r
+       return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, NULL, timing);\r

 }\r
 \r
 }\r
 \r

-int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint32_t * parptr)\r
+int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint32_t * parptr, uint32_t *timing)\r

 {\r
        uint8_t dcmd[4], ecmd[4];\r
        uint32_t pos, par, res;\r
 {\r
        uint8_t dcmd[4], ecmd[4];\r
        uint32_t pos, par, res;\r


@@ -101,10 +101,10 @@ int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cm
                        par = (par >> 1) | ( ((filter(pcs->odd) ^ oddparity(dcmd[pos])) & 0x01) * 0x08 );\r
                }       \r
 \r
                        par = (par >> 1) | ( ((filter(pcs->odd) ^ oddparity(dcmd[pos])) & 0x01) * 0x08 );\r
                }       \r
 \r

-               ReaderTransmitPar(ecmd, sizeof(ecmd), par);\r
+               ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r

 \r
        } else {\r
 \r
        } else {\r

-               ReaderTransmit(dcmd, sizeof(dcmd));\r
+               ReaderTransmit(dcmd, sizeof(dcmd), timing);\r

        }\r
 \r
        int len = ReaderReceivePar(answer, &par);\r
        }\r
 \r
        int len = ReaderReceivePar(answer, &par);\r


@@ -133,10 +133,10 @@ int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cm
 // mifare commands\r
 int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint64_t isNested) \r
 {\r
 // mifare commands\r
 int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint64_t isNested) \r
 {\r

-       return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL);\r
+       return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);\r

 }\r
 \r
 }\r
 \r

-int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint64_t isNested, uint32_t * ntptr) \r
+int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint64_t isNested, uint32_t * ntptr, uint32_t *timing) \r

 {\r
        // variables\r
        int len;        \r
 {\r
        // variables\r
        int len;        \r


@@ -150,8 +150,8 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
        uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
 \r
        // Transmit MIFARE_CLASSIC_AUTH\r
        uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
 \r
        // Transmit MIFARE_CLASSIC_AUTH\r

-       len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer);\r
-  if (MF_DBGLEVEL >= 4)        Dbprintf("rand nonce len: %x", len);  \r
+       len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer, timing);\r
+       if (MF_DBGLEVEL >= 4)   Dbprintf("rand nonce len: %x", len);  \r

        if (len != 4) return 1;\r
        \r
        ar[0] = 0x55;\r
        if (len != 4) return 1;\r
        \r
        ar[0] = 0x55;\r


@@ -205,7 +205,7 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
        }       \r
                \r
        // Transmit reader nonce and reader answer\r
        }       \r
                \r
        // Transmit reader nonce and reader answer\r

-       ReaderTransmitPar(mf_nr_ar, sizeof(mf_nr_ar), par);\r
+       ReaderTransmitPar(mf_nr_ar, sizeof(mf_nr_ar), par, NULL);\r

 \r
        // Receive 4 bit answer\r
        len = ReaderReceive(receivedAnswer);\r
 \r
        // Receive 4 bit answer\r
        len = ReaderReceive(receivedAnswer);\r


@@ -235,7 +235,7 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo
        uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
        \r
        // command MIFARE_CLASSIC_READBLOCK\r
        uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
        \r
        // command MIFARE_CLASSIC_READBLOCK\r

-       len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer);\r
+       len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, NULL);\r

        if (len == 1) {\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Error: %02x", receivedAnswer[0]);  \r
                return 1;\r
        if (len == 1) {\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Error: %02x", receivedAnswer[0]);  \r
                return 1;\r


@@ -268,7 +268,7 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl
        uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
        \r
        // command MIFARE_CLASSIC_WRITEBLOCK\r
        uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
        \r
        // command MIFARE_CLASSIC_WRITEBLOCK\r

-       len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer);\r
+       len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, NULL);\r

 \r
        if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Error: %02x", receivedAnswer[0]);  \r
 \r
        if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("Cmd Error: %02x", receivedAnswer[0]);  \r


@@ -286,7 +286,7 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl
                par = (par >> 1) | ( ((filter(pcs->odd) ^ oddparity(d_block[pos])) & 0x01) * 0x20000 );\r
        }       \r
 \r
                par = (par >> 1) | ( ((filter(pcs->odd) ^ oddparity(d_block[pos])) & 0x01) * 0x20000 );\r
        }       \r
 \r

-       ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par);\r
+       ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r

 \r
        // Receive the response\r
        len = ReaderReceive(receivedAnswer);    \r
 \r
        // Receive the response\r
        len = ReaderReceive(receivedAnswer);    \r


@@ -311,7 +311,7 @@ int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid)
        // Mifare HALT\r
        uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
 \r
        // Mifare HALT\r
        uint8_t* receivedAnswer = mifare_get_bigbufptr();\r
 \r

-       len = mifare_sendcmd_short(pcs, 1, 0x50, 0x00, receivedAnswer);\r
+       len = mifare_sendcmd_short(pcs, pcs == NULL ? 0:1, 0x50, 0x00, receivedAnswer, NULL);\r

        if (len != 0) {\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("halt error. response len: %x", len);  \r
                return 1;\r
        if (len != 0) {\r
                if (MF_DBGLEVEL >= 1)   Dbprintf("halt error. response len: %x", len);  \r
                return 1;\r


@@ -339,19 +339,73 @@ void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {
        memcpy(data, emCARD + bytePtr, byteCount);\r
 }\r
 \r
        memcpy(data, emCARD + bytePtr, byteCount);\r
 }\r
 \r

+int emlCheckValBl(int blockNum) {\r
+       uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r
+       uint8_t* data = emCARD + blockNum * 16;\r
+\r
+       if ((data[0] != (data[4] ^ 0xff)) || (data[0] != data[8]) ||\r
+                       (data[1] != (data[5] ^ 0xff)) || (data[1] != data[9]) ||\r
+                       (data[2] != (data[6] ^ 0xff)) || (data[2] != data[10]) ||\r
+                       (data[3] != (data[7] ^ 0xff)) || (data[3] != data[11]) ||\r
+                       (data[12] != (data[13] ^ 0xff)) || (data[12] != data[14]) ||\r
+                       (data[12] != (data[15] ^ 0xff))\r
+                ) \r
+               return 1;\r
+       return 0;\r
+}\r
+\r
+int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {\r
+       uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r
+       uint8_t* data = emCARD + blockNum * 16;\r
+       \r
+       if (emlCheckValBl(blockNum)) {\r
+               return 1;\r
+       }\r
+       \r
+       memcpy(blReg, data, 4);\r
+       *blBlock = data[12];\r
+       \r
+       return 0;\r
+}\r
+\r
+int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {\r
+       uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r
+       uint8_t* data = emCARD + blockNum * 16;\r
+       \r
+       memcpy(data + 0, &blReg, 4);\r
+       memcpy(data + 8, &blReg, 4);\r
+       blReg = blReg ^ 0xffffffff;\r
+       memcpy(data + 4, &blReg, 4);\r
+       \r
+       data[12] = blBlock;\r
+       data[13] = blBlock ^ 0xff;\r
+       data[14] = blBlock;\r
+       data[15] = blBlock ^ 0xff;\r
+       \r
+       return 0;\r
+}\r
+\r
+uint64_t emlGetKey(int sectorNum, int keyType) {\r
+       uint8_t key[6];\r
+       uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r
+       \r
+       memcpy(key, emCARD + 3 * 16 + sectorNum * 4 * 16 + keyType * 10, 6);\r
+       return bytes_to_num(key, 6);\r
+}\r
+\r

 void emlClearMem(void) {\r
 void emlClearMem(void) {\r

-       int i;\r
+       int b;\r

        \r
        const uint8_t trailer[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x80, 0x69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r
        \r
        const uint8_t trailer[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x80, 0x69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r

-       const uint8_t empty[] =   {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};\r

        const uint8_t uid[]   =   {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};\r
        const uint8_t uid[]   =   {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};\r

-       // fill sectors data\r
-       for(i = 0; i < 16; i++) {\r
-               emlSetMem((uint8_t *)empty,   i * 4 + 0, 1);\r
-               emlSetMem((uint8_t *)empty,   i * 4 + 1, 1);\r
-               emlSetMem((uint8_t *)empty,   i * 4 + 2, 1);\r
-               emlSetMem((uint8_t *)trailer, i * 4 + 3, 1);\r
-       }\r
+       uint8_t* emCARD = eml_get_bigbufptr_cardmem();\r
+       \r
+       memset(emCARD, 0, CARD_MEMORY_LEN);\r
+       \r
+       // fill sectors trailer data\r
+       for(b = 3; b < 256; b<127?(b+=4):(b+=16)) {\r
+               emlSetMem((uint8_t *)trailer, b , 1);\r
+       }       \r

 \r
        // uid\r
        emlSetMem((uint8_t *)uid, 0, 1);\r
 \r
        // uid\r
        emlSetMem((uint8_t *)uid, 0, 1);\r