X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/9492e0b0986a557afe1c85f08fd02a7fb979f536..90e278d3daf11b501043d7ae628a25aeb0227420:/armsrc/mifareutil.c diff --git a/armsrc/mifareutil.c b/armsrc/mifareutil.c index 4f4e978c..0b93db8f 100644 --- a/armsrc/mifareutil.c +++ b/armsrc/mifareutil.c @@ -79,12 +79,38 @@ uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) { // send commands int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint32_t *timing) { - return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, NULL, timing); -} - -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) -{ - uint8_t dcmd[4], ecmd[4]; + return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, NULL, timing); +} + +int mifare_sendcmd_short_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *timing) +{ + uint8_t dcmd[8];//, ecmd[4]; + //uint32_t par=0; + + dcmd[0] = cmd; + dcmd[1] = data[0]; + dcmd[2] = data[1]; + dcmd[3] = data[2]; + dcmd[4] = data[3]; + dcmd[5] = data[4]; + AppendCrc14443a(dcmd, 6); + //Dbprintf("Data command: %02x", dcmd[0]); + //Dbprintf("Data R: %02x %02x %02x %02x %02x %02x %02x", dcmd[1],dcmd[2],dcmd[3],dcmd[4],dcmd[5],dcmd[6],dcmd[7]); + + //memcpy(ecmd, dcmd, sizeof(dcmd)); + ReaderTransmit(dcmd, sizeof(dcmd), NULL); + int len = ReaderReceive(answer); + if(!len) + { + if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout."); + return 2; + } + return len; +} + +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) +{ + uint8_t dcmd[4], ecmd[4]; uint32_t pos, par, res; dcmd[0] = cmd; @@ -253,12 +279,43 @@ int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blo } memcpy(blockData, receivedAnswer, 16); - return 0; -} - -int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) -{ - // variables + return 0; +} + +int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) +{ + // variables + int len; + uint8_t bt[2]; + + uint8_t* receivedAnswer = mifare_get_bigbufptr(); + + // command MIFARE_CLASSIC_READBLOCK + len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer,NULL); + if (len == 1) { + if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); + return 1; + } + if (len != 18) { + if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: card timeout. len: %x", len); + return 2; + } + + memcpy(bt, receivedAnswer + 16, 2); + AppendCrc14443a(receivedAnswer, 16); + if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) { + if (MF_DBGLEVEL >= 1) Dbprintf("Cmd CRC response error."); + return 3; + } + + memcpy(blockData, receivedAnswer, 14); + return 0; +} + + +int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) +{ + // variables int len, i; uint32_t pos; uint32_t par = 0; @@ -300,12 +357,71 @@ int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t bl return 2; } - return 0; -} - -int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) -{ - // variables + return 0; +} + +int mifare_ultra_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) +{ + // variables + int len; + uint32_t par = 0; + + uint8_t d_block[18]; + uint8_t* receivedAnswer = mifare_get_bigbufptr(); + + // command MIFARE_CLASSIC_WRITEBLOCK + len = mifare_sendcmd_short(NULL, 1, 0xA0, blockNo, receivedAnswer,NULL); + + if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK + if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]); + return 1; + } + + memset(d_block,'\0',18); + memcpy(d_block, blockData, 16); + AppendCrc14443a(d_block, 16); + + ReaderTransmitPar(d_block, sizeof(d_block), par, NULL); + + // Receive the response + len = ReaderReceive(receivedAnswer); + + if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK + if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len); + return 2; + } + + return 0; +} + +int mifare_ultra_special_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData) +{ + // variables + int len; + //uint32_t par = 0; + + uint8_t d_block[8]; + uint8_t* receivedAnswer = mifare_get_bigbufptr(); + + // command MIFARE_CLASSIC_WRITEBLOCK + memset(d_block,'\0',8); + d_block[0]= blockNo; + memcpy(d_block+1,blockData,4); + AppendCrc14443a(d_block, 6); + + //i know the data send here is correct + len = mifare_sendcmd_short_special(NULL, 1, 0xA2, d_block, receivedAnswer,NULL); + + if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK + if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len); + return 1; + } + return 0; +} + +int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) +{ + // variables int len; // Mifare HALT @@ -317,12 +433,50 @@ int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) return 1; } - return 0; + return 0; +} + +int mifare_ultra_halt(uint32_t uid) +{ + // variables + int len; + + // Mifare HALT + uint8_t* receivedAnswer = mifare_get_bigbufptr(); + + len = mifare_sendcmd_short(NULL, 1, 0x50, 0x00, receivedAnswer, NULL); + if (len != 0) { + if (MF_DBGLEVEL >= 1) Dbprintf("halt error. response len: %x", len); + return 1; + } + + return 0; +} + + +// Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards), +// plus evtl. 8 sectors with 16 blocks each (4k cards) +uint8_t NumBlocksPerSector(uint8_t sectorNo) +{ + if (sectorNo < 32) + return 4; + else + return 16; } -// work with emulator memory -void emlSetMem(uint8_t *data, int blockNum, int blocksCount) { - uint8_t* emCARD = eml_get_bigbufptr_cardmem(); +uint8_t FirstBlockOfSector(uint8_t sectorNo) +{ + if (sectorNo < 32) + return sectorNo * 4; + else + return 32*4 + (sectorNo - 32) * 16; + +} + + +// work with emulator memory +void emlSetMem(uint8_t *data, int blockNum, int blocksCount) { + uint8_t* emCARD = eml_get_bigbufptr_cardmem(); memcpy(emCARD + blockNum * 16, data, blocksCount * 16); } @@ -389,7 +543,7 @@ uint64_t emlGetKey(int sectorNum, int keyType) { uint8_t key[6]; uint8_t* emCARD = eml_get_bigbufptr_cardmem(); - memcpy(key, emCARD + 3 * 16 + sectorNum * 4 * 16 + keyType * 10, 6); + memcpy(key, emCARD + 16 * (FirstBlockOfSector(sectorNum) + NumBlocksPerSector(sectorNum) - 1) + keyType * 10, 6); return bytes_to_num(key, 6); }