]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/mifareutil.c
optimization UDOL creation. does not affect on functionality.
[proxmark3-svn] / armsrc / mifareutil.c
index 0469364c3f6cefe099db0297e771bea5b693add4..38ca934aa01687b542744965981e6eae886a6a1a 100644 (file)
@@ -9,37 +9,44 @@
 // Work with mifare cards.\r
 //-----------------------------------------------------------------------------\r
 \r
 // Work with mifare cards.\r
 //-----------------------------------------------------------------------------\r
 \r
+#include "mifareutil.h"\r
+\r
+#include <string.h>\r
+#include <stdbool.h>\r
+\r
 #include "proxmark3.h"\r
 #include "apps.h"\r
 #include "util.h"\r
 #include "proxmark3.h"\r
 #include "apps.h"\r
 #include "util.h"\r
-#include "string.h"\r
-\r
+#include "parity.h"\r
 #include "iso14443crc.h"\r
 #include "iso14443a.h"\r
 #include "iso14443crc.h"\r
 #include "iso14443a.h"\r
-#include "crapto1.h"\r
-#include "mifareutil.h"\r
-#include "des.h"\r
+#include "crapto1/crapto1.h"\r
+#include "polarssl/des.h"\r
 \r
 int MF_DBGLEVEL = MF_DBG_ALL;\r
 \r
 // crypto1 helpers\r
 \r
 int MF_DBGLEVEL = MF_DBG_ALL;\r
 \r
 // crypto1 helpers\r
-void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r
+void mf_crypto1_decryptEx(struct Crypto1State *pcs, uint8_t *data_in, int len, uint8_t *data_out){\r
        uint8_t bt = 0;\r
        int i;\r
        \r
        if (len != 1) {\r
                for (i = 0; i < len; i++)\r
        uint8_t bt = 0;\r
        int i;\r
        \r
        if (len != 1) {\r
                for (i = 0; i < len; i++)\r
-                       data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
+                       data_out[i] = crypto1_byte(pcs, 0x00, 0) ^ data_in[i];\r
        } else {\r
                bt = 0;\r
                for (i = 0; i < 4; i++)\r
        } else {\r
                bt = 0;\r
                for (i = 0; i < 4; i++)\r
-                       bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], i)) << i;\r
+                       bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data_in[0], i)) << i;\r
                                \r
                                \r
-               data[0] = bt;\r
+               data_out[0] = bt;\r
        }\r
        return;\r
 }\r
 \r
        }\r
        return;\r
 }\r
 \r
+void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r
+       mf_crypto1_decryptEx(pcs, data, len, data);\r
+}\r
+\r
 void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, uint8_t *par) {\r
        uint8_t bt = 0;\r
        int i;\r
 void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, uint8_t *par) {\r
        uint8_t bt = 0;\r
        int i;\r
@@ -50,7 +57,7 @@ void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, u
                data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
                if((i&0x0007) == 0) \r
                        par[i>>3] = 0;\r
                data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
                if((i&0x0007) == 0) \r
                        par[i>>3] = 0;\r
-               par[i>>3] |= (((filter(pcs->odd) ^ oddparity(bt)) & 0x01)<<(7-(i&0x0007)));\r
+               par[i>>3] |= (((filter(pcs->odd) ^ oddparity8(bt)) & 0x01)<<(7-(i&0x0007)));\r
        }       \r
        return;\r
 }\r
        }       \r
        return;\r
 }\r
@@ -65,74 +72,25 @@ uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {
        return bt;\r
 }\r
 \r
        return bt;\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, uint8_t *answer_parity, uint32_t *timing)\r
-{\r
-       return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, answer_parity, timing);\r
-}\r
-\r
-int mifare_sendcmd_short_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)\r
-{\r
-       uint8_t dcmd[8];\r
-    dcmd[0] = cmd;\r
-    dcmd[1] = data[0];\r
-       dcmd[2] = data[1];\r
-       dcmd[3] = data[2];\r
-       dcmd[4] = data[3];\r
-       dcmd[5] = data[4];\r
-       AppendCrc14443a(dcmd, 6);\r
-       ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
-       int len = ReaderReceive(answer, answer_parity);\r
-       if(!len) {\r
-                if (MF_DBGLEVEL >= 1)   Dbprintf("Authentication failed. Card timeout.");\r
-                return 2;\r
-    }\r
-       return len;\r
-}\r
-\r
-int mifare_sendcmd_short_mfucauth(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t *data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing)\r
+// send X byte basic commands\r
+int mifare_sendcmd(uint8_t cmd, uint8_t* data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)\r
 {\r
 {\r
-    uint8_t dcmd[19];\r
-       int len; \r
-    dcmd[0] = cmd;\r
-    memcpy(dcmd+1,data,16);\r
-       AppendCrc14443a(dcmd, 17);\r
-       \r
-       ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
-       len = ReaderReceive(answer, answer_parity);\r
-       if(!len) {\r
-        if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("Authentication failed. Card timeout.");\r
-        len = ReaderReceive(answer,answer_parity);\r
-    }\r
-    if(len==1) {\r
-               if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("NAK - Authentication failed.");\r
-               return 1;\r
-        }\r
-       return len;\r
-}\r
-\r
-int mifare_sendcmd_short_mfuev1auth(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t *data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing)\r
-{\r
-    uint8_t dcmd[7];\r
-       int len; \r
-    dcmd[0] = cmd;\r
-    memcpy(dcmd+1,data,4);\r
-       AppendCrc14443a(dcmd, 5);\r
-       \r
+       uint8_t dcmd[data_size+3];\r
+       dcmd[0] = cmd;\r
+       memcpy(dcmd+1,data,data_size);\r
+       AppendCrc14443a(dcmd, data_size+1);\r
        ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
        ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
-       len = ReaderReceive(answer, answer_parity);\r
+       int len = ReaderReceive(answer, answer_parity);\r
        if(!len) {\r
        if(!len) {\r
-        if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("Authentication failed. Card timeout.");\r
-        len = ReaderReceive(answer,answer_parity);\r
-    }\r
-    if(len==1) {\r
-               if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("NAK - Authentication failed.");\r
-               return 1;\r
-        }\r
+               if (MF_DBGLEVEL >= MF_DBG_ERROR)   Dbprintf("%02X Cmd failed. Card timeout.", cmd);\r
+                       len = ReaderReceive(answer,answer_parity);\r
+               //return 0;\r
+       }\r
        return len;\r
 }\r
 \r
        return len;\r
 }\r
 \r
-int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing)\r
+// send 2 byte commands\r
+int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing)\r
 {\r
        uint8_t dcmd[4], ecmd[4];\r
        uint16_t pos, res;\r
 {\r
        uint8_t dcmd[4], ecmd[4];\r
        uint16_t pos, res;\r
@@ -148,7 +106,7 @@ int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cm
                for (pos = 0; pos < 4; pos++)\r
                {\r
                        ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r
                for (pos = 0; pos < 4; pos++)\r
                {\r
                        ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r
-                       par[0] |= (((filter(pcs->odd) ^ oddparity(dcmd[pos])) & 0x01) << (7-pos));\r
+                       par[0] |= (((filter(pcs->odd) ^ oddparity8(dcmd[pos])) & 0x01) << (7-pos));\r
                }       \r
 \r
                ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r
                }       \r
 \r
                ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r
@@ -242,7 +200,7 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
        for (pos = 0; pos < 4; pos++)\r
        {\r
                mf_nr_ar[pos] = crypto1_byte(pcs, nr[pos], 0) ^ nr[pos];\r
        for (pos = 0; pos < 4; pos++)\r
        {\r
                mf_nr_ar[pos] = crypto1_byte(pcs, nr[pos], 0) ^ nr[pos];\r
-               par[0] |= (((filter(pcs->odd) ^ oddparity(nr[pos])) & 0x01) << (7-pos));\r
+               par[0] |= (((filter(pcs->odd) ^ oddparity8(nr[pos])) & 0x01) << (7-pos));\r
        }       \r
                \r
        // Skip 32 bits in pseudo random generator\r
        }       \r
                \r
        // Skip 32 bits in pseudo random generator\r
@@ -253,7 +211,7 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
        {\r
                nt = prng_successor(nt,8);\r
                mf_nr_ar[pos] = crypto1_byte(pcs,0x00,0) ^ (nt & 0xff);\r
        {\r
                nt = prng_successor(nt,8);\r
                mf_nr_ar[pos] = crypto1_byte(pcs,0x00,0) ^ (nt & 0xff);\r
-               par[0] |= (((filter(pcs->odd) ^ oddparity(nt & 0xff)) & 0x01) << (7-pos));\r
+               par[0] |= (((filter(pcs->odd) ^ oddparity8(nt)) & 0x01) << (7-pos));\r
        }       \r
                \r
        // Transmit reader nonce and reader answer\r
        }       \r
                \r
        // Transmit reader nonce and reader answer\r
@@ -318,25 +276,27 @@ int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){
        uint8_t key[4] = {0x00};\r
        memcpy(key, keybytes, 4);\r
 \r
        uint8_t key[4] = {0x00};\r
        memcpy(key, keybytes, 4);\r
 \r
-       Dbprintf("EV1 Auth : %02x%02x%02x%02x", key[0], key[1], key[2], key[3]);\r
-       len = mifare_sendcmd_short_mfuev1auth(NULL, 0, 0x1B, key, resp, respPar, NULL);\r
+       if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r
+               Dbprintf("EV1 Auth : %02x%02x%02x%02x", key[0], key[1], key[2], key[3]);\r
+       len = mifare_sendcmd(0x1B, key, sizeof(key), resp, respPar, NULL);\r
+       //len = mifare_sendcmd_short_mfuev1auth(NULL, 0, 0x1B, key, resp, respPar, NULL);\r
        if (len != 4) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x %u", resp[0], len);\r
        if (len != 4) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x %u", resp[0], len);\r
-               OnError(1);\r
-               return 1;\r
+               return 0;\r
        }\r
 \r
        if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r
                Dbprintf("Auth Resp: %02x%02x%02x%02x", resp[0],resp[1],resp[2],resp[3]);\r
 \r
        memcpy(pack, resp, 4);\r
        }\r
 \r
        if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r
                Dbprintf("Auth Resp: %02x%02x%02x%02x", resp[0],resp[1],resp[2],resp[3]);\r
 \r
        memcpy(pack, resp, 4);\r
-       return 0;\r
+       return 1;\r
 }\r
 \r
 int mifare_ultra_auth(uint8_t *keybytes){\r
 \r
        /// 3des2k\r
 \r
 }\r
 \r
 int mifare_ultra_auth(uint8_t *keybytes){\r
 \r
        /// 3des2k\r
 \r
+       des3_context ctx = { 0x00 };\r
        uint8_t random_a[8] = {1,1,1,1,1,1,1,1};\r
        uint8_t random_b[8] = {0x00};\r
        uint8_t enc_random_b[8] = {0x00};\r
        uint8_t random_a[8] = {1,1,1,1,1,1,1,1};\r
        uint8_t random_b[8] = {0x00};\r
        uint8_t enc_random_b[8] = {0x00};\r
@@ -353,15 +313,23 @@ int mifare_ultra_auth(uint8_t *keybytes){
        len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, resp, respPar ,NULL);\r
        if (len != 11) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r
        len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, resp, respPar ,NULL);\r
        if (len != 11) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r
-               OnError(1);\r
-               return 1;\r
+               return 0;\r
        }\r
 \r
        // tag nonce.\r
        memcpy(enc_random_b,resp+1,8);\r
 \r
        // decrypt nonce.\r
        }\r
 \r
        // tag nonce.\r
        memcpy(enc_random_b,resp+1,8);\r
 \r
        // decrypt nonce.\r
-       tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );\r
+       // tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );\r
+       des3_set2key_dec(&ctx, key);\r
+       des3_crypt_cbc(&ctx     // des3_context\r
+               , DES_DECRYPT           // int mode\r
+               , sizeof(random_b)      // length\r
+               , IV                    // iv[8]\r
+               , enc_random_b          // input\r
+               , random_b                      // output\r
+               );\r
+\r
        rol(random_b,8);\r
        memcpy(rnd_ab  ,random_a,8);\r
        memcpy(rnd_ab+8,random_b,8);\r
        rol(random_b,8);\r
        memcpy(rnd_ab  ,random_a,8);\r
        memcpy(rnd_ab+8,random_b,8);\r
@@ -381,13 +349,21 @@ int mifare_ultra_auth(uint8_t *keybytes){
        }\r
 \r
        // encrypt    out, in, length, key, iv\r
        }\r
 \r
        // encrypt    out, in, length, key, iv\r
-       tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r
-\r
-       len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, resp, respPar, NULL);\r
+       //tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r
+       des3_set2key_enc(&ctx, key);\r
+       des3_crypt_cbc(&ctx     // des3_context\r
+               , DES_ENCRYPT           // int mode\r
+               , sizeof(rnd_ab)        // length\r
+               , enc_random_b          // iv[8]\r
+               , rnd_ab                        // input\r
+               , rnd_ab                        // output\r
+               );\r
+\r
+       //len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, resp, respPar, NULL);\r
+       len = mifare_sendcmd(0xAF, rnd_ab, sizeof(rnd_ab), resp, respPar, NULL);\r
        if (len != 11) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r
        if (len != 11) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r
-               OnError(1);\r
-               return 1;\r
+               return 0;\r
        }\r
 \r
        uint8_t enc_resp[8] = { 0,0,0,0,0,0,0,0 };\r
        }\r
 \r
        uint8_t enc_resp[8] = { 0,0,0,0,0,0,0,0 };\r
@@ -395,10 +371,18 @@ int mifare_ultra_auth(uint8_t *keybytes){
        memcpy(enc_resp, resp+1, 8);\r
 \r
        // decrypt    out, in, length, key, iv \r
        memcpy(enc_resp, resp+1, 8);\r
 \r
        // decrypt    out, in, length, key, iv \r
-       tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);\r
+       // tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);\r
+       des3_set2key_dec(&ctx, key);\r
+       des3_crypt_cbc(&ctx     // des3_context\r
+               , DES_DECRYPT           // int mode\r
+               , 8                                     // length\r
+               , enc_random_b          // iv[8]\r
+               , enc_resp                      // input\r
+               , resp_random_a         // output\r
+               );\r
        if ( memcmp(resp_random_a, random_a, 8) != 0 ) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("failed authentication");\r
        if ( memcmp(resp_random_a, random_a, 8) != 0 ) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("failed authentication");\r
-               return 1;\r
+               return 0;\r
        }\r
 \r
        if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
        }\r
 \r
        if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
@@ -418,7 +402,7 @@ int mifare_ultra_auth(uint8_t *keybytes){
                                resp_random_a[0],resp_random_a[1],resp_random_a[2],resp_random_a[3],\r
                                resp_random_a[4],resp_random_a[5],resp_random_a[6],resp_random_a[7]);\r
        }\r
                                resp_random_a[0],resp_random_a[1],resp_random_a[2],resp_random_a[3],\r
                                resp_random_a[4],resp_random_a[5],resp_random_a[6],resp_random_a[7]);\r
        }\r
-       return 0;\r
+       return 1;\r
 }\r
 \r
 int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)\r
 }\r
 \r
 int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)\r
@@ -428,6 +412,7 @@ int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)
        uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
        uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
        \r
        uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
        uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
        \r
+\r
        len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
        if (len == 1) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
        len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
        if (len == 1) {\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
@@ -476,7 +461,7 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl
        for (pos = 0; pos < 18; pos++)\r
        {\r
                d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r
        for (pos = 0; pos < 18; pos++)\r
        {\r
                d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r
-               par[pos>>3] |= (((filter(pcs->odd) ^ oddparity(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\r
+               par[pos>>3] |= (((filter(pcs->odd) ^ oddparity8(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\r
        }       \r
 \r
        ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r
        }       \r
 \r
        ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r
@@ -496,7 +481,8 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl
        return 0;\r
 }\r
 \r
        return 0;\r
 }\r
 \r
-int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData) \r
+/* // command not needed, but left for future testing\r
+int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) \r
 {\r
        uint16_t len;\r
        uint8_t par[3] = {0};  // enough for 18 parity bits\r
 {\r
        uint16_t len;\r
        uint8_t par[3] = {0};  // enough for 18 parity bits\r
@@ -504,7 +490,6 @@ int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)
        uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
        uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
 \r
        uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
        uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
 \r
-       // command MIFARE_CLASSIC_WRITEBLOCK\r
        len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
 \r
        if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK\r
        len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
 \r
        if ((len != 1) || (receivedAnswer[0] != 0x0A)) {   //  0x0a - ACK\r
@@ -527,20 +512,21 @@ int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)
        }\r
        return 0;\r
 }\r
        }\r
        return 0;\r
 }\r
+*/\r
 \r
 \r
-int mifare_ultra_special_writeblock(uint8_t blockNo, uint8_t *blockData)\r
+int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)\r
 {\r
        uint16_t len;\r
 {\r
        uint16_t len;\r
-       uint8_t d_block[8] = {0x00};\r
+       uint8_t d_block[5] = {0x00};\r
        uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
        uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
 \r
        // command MIFARE_CLASSIC_WRITEBLOCK\r
        d_block[0]= blockNo;\r
        memcpy(d_block+1,blockData,4);\r
        uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
        uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
 \r
        // command MIFARE_CLASSIC_WRITEBLOCK\r
        d_block[0]= blockNo;\r
        memcpy(d_block+1,blockData,4);\r
-       AppendCrc14443a(d_block, 6);\r
+       //AppendCrc14443a(d_block, 6);\r
 \r
 \r
-       len = mifare_sendcmd_short_special(NULL, 1, 0xA2, d_block, receivedAnswer, receivedAnswerPar, NULL);\r
+       len = mifare_sendcmd(0xA2, d_block, sizeof(d_block), receivedAnswer, receivedAnswerPar, NULL);\r
 \r
        if (receivedAnswer[0] != 0x0A) {   //  0x0a - ACK\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
 \r
        if (receivedAnswer[0] != 0x0A) {   //  0x0a - ACK\r
                if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
@@ -601,6 +587,19 @@ uint8_t FirstBlockOfSector(uint8_t sectorNo)
                \r
 }\r
 \r
                \r
 }\r
 \r
+uint8_t SectorTrailer(uint8_t blockNo)\r
+{\r
+       if (blockNo < 32*4) {\r
+               return (blockNo | 0x03);\r
+       } else {\r
+               return (blockNo | 0x0f);\r
+       }\r
+}\r
+\r
+bool IsSectorTrailer(uint8_t blockNo)\r
+{\r
+       return (blockNo == SectorTrailer(blockNo));\r
+}\r
 \r
 // work with emulator memory\r
 void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {\r
 \r
 // work with emulator memory\r
 void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {\r
@@ -731,8 +730,8 @@ int mifare_desfire_des_auth1(uint32_t uid, uint8_t *blockData){
        int len;\r
        // load key, keynumber\r
        uint8_t data[2]={0x0a, 0x00};\r
        int len;\r
        // load key, keynumber\r
        uint8_t data[2]={0x0a, 0x00};\r
-       uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
-       uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
+       uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
+       uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
        \r
        len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);\r
        if (len == 1) {\r
        \r
        len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);\r
        if (len == 1) {\r
@@ -784,3 +783,125 @@ int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){
        }\r
        return 1;\r
 }\r
        }\r
        return 1;\r
 }\r
+\r
+//-----------------------------------------------------------------------------\r
+// MIFARE check keys\r
+//\r
+//-----------------------------------------------------------------------------\r
+// one key check\r
+int MifareChkBlockKey(uint8_t *uid, uint32_t *cuid, uint8_t *cascade_levels, uint64_t ui64Key, uint8_t blockNo, uint8_t keyType, uint8_t debugLevel) {\r
+\r
+       struct Crypto1State mpcs = {0, 0};\r
+       struct Crypto1State *pcs;\r
+       pcs = &mpcs;\r
+\r
+       // Iceman: use piwi's faster nonce collecting part in hardnested.\r
+       if (*cascade_levels == 0) { // need a full select cycle to get the uid first\r
+               iso14a_card_select_t card_info;\r
+               if(!iso14443a_select_card(uid, &card_info, cuid, true, 0, true)) {\r
+                       if (debugLevel >= 1)    Dbprintf("ChkKeys: Can't select card");\r
+                       return  1;\r
+               }\r
+               switch (card_info.uidlen) {\r
+                       case 4 : *cascade_levels = 1; break;\r
+                       case 7 : *cascade_levels = 2; break;\r
+                       case 10: *cascade_levels = 3; break;\r
+                       default: break;\r
+               }\r
+       } else { // no need for anticollision. We can directly select the card\r
+               if(!iso14443a_select_card(uid, NULL, NULL, false, *cascade_levels, true)) {\r
+                       if (debugLevel >= 1)    Dbprintf("ChkKeys: Can't select card (UID) lvl=%d", *cascade_levels);\r
+                       return  1;\r
+               }\r
+       }\r
+       \r
+       if(mifare_classic_auth(pcs, *cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r
+//             SpinDelayUs(AUTHENTICATION_TIMEOUT); // it not needs because mifare_classic_auth have timeout from iso14a_set_timeout()\r
+               return 2;\r
+       } else {\r
+/*             // let it be here. it like halt command, but maybe it will work in some strange cases\r
+               uint8_t dummy_answer = 0;\r
+               ReaderTransmit(&dummy_answer, 1, NULL);\r
+               int timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT;                        \r
+               // wait for the card to become ready again\r
+               while(GetCountSspClk() < timeout) {};\r
+*/\r
+               // it needs after success authentication\r
+               mifare_classic_halt(pcs, *cuid);\r
+       }\r
+       \r
+       return 0;\r
+}\r
+\r
+// multi key check\r
+int MifareChkBlockKeys(uint8_t *keys, uint8_t keyCount, uint8_t blockNo, uint8_t keyType, uint8_t debugLevel) {\r
+       uint8_t uid[10];\r
+       uint32_t cuid = 0;\r
+       uint8_t cascade_levels = 0;\r
+       uint64_t ui64Key = 0;\r
+\r
+       int retryCount = 0;\r
+       for (uint8_t i = 0; i < keyCount; i++) {\r
+\r
+               // Allow button press / usb cmd to interrupt device\r
+               if (BUTTON_PRESS() && !usb_poll_validate_length()) { \r
+                       Dbprintf("ChkKeys: Cancel operation. Exit...");\r
+                       return -2;\r
+               }\r
+\r
+               ui64Key = bytes_to_num(keys + i * 6, 6);\r
+               int res = MifareChkBlockKey(uid, &cuid, &cascade_levels, ui64Key, blockNo, keyType, debugLevel);\r
+               \r
+               // can't select\r
+               if (res == 1) {\r
+                       retryCount++;\r
+                       if (retryCount >= 5) {\r
+                               Dbprintf("ChkKeys: block=%d key=%d. Can't select. Exit...", blockNo, keyType);\r
+                               return -1;\r
+                       }\r
+                       --i; // try the same key once again\r
+\r
+                       SpinDelay(20);\r
+//                     Dbprintf("ChkKeys: block=%d key=%d. Try the same key once again...", blockNo, keyType);\r
+                       continue;\r
+               }\r
+               \r
+               // can't authenticate\r
+               if (res == 2) {\r
+                       retryCount = 0;\r
+                       continue; // can't auth. wrong key.\r
+               }\r
+\r
+               return i + 1;\r
+       }\r
+       \r
+       return 0;\r
+}\r
+\r
+// multisector multikey check\r
+int MifareMultisectorChk(uint8_t *keys, uint8_t keyCount, uint8_t SectorCount, uint8_t keyType, uint8_t debugLevel, TKeyIndex *keyIndex) {\r
+       int res = 0;\r
+       \r
+//     int clk = GetCountSspClk();\r
+\r
+       for(int sc = 0; sc < SectorCount; sc++){\r
+               WDT_HIT();\r
+\r
+               int keyAB = keyType;\r
+               do {\r
+                       res = MifareChkBlockKeys(keys, keyCount, FirstBlockOfSector(sc), keyAB & 0x01, debugLevel);\r
+                       if (res < 0){\r
+                               return res;\r
+                       }\r
+                       if (res > 0){\r
+                               (*keyIndex)[keyAB & 0x01][sc] = res;\r
+                       }\r
+               } while(--keyAB > 0);\r
+       }\r
+       \r
+//     Dbprintf("%d %d", GetCountSspClk() - clk, (GetCountSspClk() - clk)/(SectorCount*keyCount*(keyType==2?2:1)));\r
+       \r
+       return 0;\r
+}\r
+\r
+\r
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