+void iClass_Authentication(uint8_t *MAC) {
+ uint8_t check[] = { 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ uint8_t resp[ICLASS_BUFFER_SIZE];
+ memcpy(check+5,MAC,4);
+ bool isOK;
+ isOK = sendCmdGetResponseWithRetries(check, sizeof(check),resp, 4, 5);
+ cmd_send(CMD_ACK,isOK,0,0,0,0);
+}
+bool iClass_ReadBlock(uint8_t blockNo, uint8_t keyType, uint8_t *readdata) {
+ uint8_t readcmd[] = {keyType, blockNo}; //0x88, 0x00
+ uint8_t resp[8];
+ size_t isOK = 1;
+
+ readcmd[1] = blockNo;
+ isOK = sendCmdGetResponseWithRetries(readcmd, sizeof(readcmd),resp, 8, 5);
+ memcpy(readdata,resp,sizeof(resp));
+
+ return isOK;
+}
+
+void iClass_ReadBlk(uint8_t blockno, uint8_t keyType) {
+ uint8_t readblockdata[8];
+ bool isOK = false;
+ isOK = iClass_ReadBlock(blockno, keyType, readblockdata);
+ cmd_send(CMD_ACK,isOK,0,0,readblockdata,8);
+}
+
+void iClass_Dump(uint8_t blockno, uint8_t numblks, uint8_t keyType) {
+ uint8_t readblockdata[8];
+ bool isOK = false;
+ uint8_t blkCnt = 0;
+
+ BigBuf_free();
+ uint8_t *dataout = BigBuf_malloc(255*8);
+ memset(dataout,0xFF,255*8);
+ if (dataout == NULL){
+ Dbprintf("out of memory");
+ OnError(1);
+ return;
+ }
+
+ for (;blkCnt < numblks; blkCnt++) {
+ isOK = iClass_ReadBlock(blockno+blkCnt, keyType, readblockdata);
+ if (!isOK || (readblockdata[0] == 0xBB || readblockdata[7] == 0x33 || readblockdata[2] == 0xBB)) { //try again
+ isOK = iClass_ReadBlock(blockno+blkCnt, keyType, readblockdata);
+ if (!isOK) {
+ Dbprintf("Block %02X failed to read", blkCnt+blockno);
+ break;
+ }
+ }
+ memcpy(dataout+(blkCnt*8),readblockdata,8);
+ }
+ //return pointer to dump memory in arg3
+ cmd_send(CMD_ACK,isOK,blkCnt,BigBuf_max_traceLen(),0,0);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ LEDsoff();
+ BigBuf_free();
+}
+
+bool iClass_WriteBlock_ext(uint8_t blockNo, uint8_t keyType, uint8_t *data) {
+ uint8_t write[] = { 0x87, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ uint8_t readblockdata[8];
+ write[1] = blockNo;
+ memcpy(write+2, data, 12); // data + mac
+ uint8_t resp[10];
+ bool isOK;
+ isOK = sendCmdGetResponseWithRetries(write,sizeof(write),resp,sizeof(resp),5);
+ if (isOK) {
+ isOK = iClass_ReadBlock(blockNo, keyType, readblockdata);
+ //try again
+ if (!isOK || (readblockdata[0] == 0xBB || readblockdata[7] == 0xBB || readblockdata[2] == 0xBB))
+ isOK = iClass_ReadBlock(blockNo, keyType, readblockdata);
+ }
+ if (isOK) {
+ if (memcmp(write+2,readblockdata,sizeof(readblockdata)) != 0){
+ isOK=false;
+ }
+ }
+ return isOK;
+}
+
+void iClass_WriteBlock(uint8_t blockNo, uint8_t keyType, uint8_t *data) {
+ bool isOK = iClass_WriteBlock_ext(blockNo, keyType, data);
+ if (isOK){
+ Dbprintf("Write block [%02x] successful",blockNo);
+ } else {
+ Dbprintf("Write block [%02x] failed",blockNo);
+ }
+ cmd_send(CMD_ACK,isOK,0,0,0,0);
+}