+
+/**
+ * @brief iso14443B_CRC_check Checks CRC in command or response
+ * @param isResponse
+ * @param data
+ * @param len
+ * @return 0 : CRC-command, CRC not ok
+ * 1 : CRC-command, CRC ok
+ * 2 : Not crc-command
+ */
+static uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
+{
+ uint8_t b1,b2;
+
+ if(len <= 2) return 2;
+
+ ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
+ if(b1 != data[len-2] || b2 != data[len-1]) {
+ return 0;
+ } else {
+ return 1;
+ }
+}
+
+
+static uint8_t iso15693_CRC_check(uint8_t* d, uint16_t n)
+{
+ if (n <= 2) return 2;
+
+ return (Iso15693Crc(d, n) == ISO15693_CRC_CHECK ? 1 : 0);
+}
+
+
+/**
+ * @brief iclass_CRC_Ok Checks CRC in command or response
+ * @param isResponse
+ * @param data
+ * @param len
+ * @return 0 : CRC-command, CRC not ok
+ * 1 : CRC-command, CRC ok
+ * 2 : Not crc-command
+ */
+uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
+{
+ if(len < 4) return 2;//CRC commands (and responses) are all at least 4 bytes
+
+ uint8_t b1, b2;
+
+ if(!isResponse)//Commands to tag
+ {
+ /**
+ These commands should have CRC. Total length leftmost
+ 4 READ
+ 4 READ4
+ 12 UPDATE - unsecured, ends with CRC16
+ 14 UPDATE - secured, ends with signature instead
+ 4 PAGESEL
+ **/
+ if(len == 4 || len == 12)//Covers three of them
+ {
+ //Don't include the command byte
+ ComputeCrc14443(CRC_ICLASS, (data+1), len-3, &b1, &b2);
+ return b1 == data[len -2] && b2 == data[len-1];
+ }
+ return 2;
+ }else{
+ /**
+ These tag responses should have CRC. Total length leftmost
+
+ 10 READ data[8] crc[2]
+ 34 READ4 data[32]crc[2]
+ 10 UPDATE data[8] crc[2]
+ 10 SELECT csn[8] crc[2]
+ 10 IDENTIFY asnb[8] crc[2]
+ 10 PAGESEL block1[8] crc[2]
+ 10 DETECT csn[8] crc[2]
+
+ These should not
+
+ 4 CHECK chip_response[4]
+ 8 READCHECK data[8]
+ 1 ACTALL sof[1]
+ 1 ACT sof[1]
+
+ In conclusion, without looking at the command; any response
+ of length 10 or 34 should have CRC
+ **/
+ if(len != 10 && len != 34) return true;
+
+ ComputeCrc14443(CRC_ICLASS, data, len-2, &b1, &b2);
+ return b1 == data[len -2] && b2 == data[len-1];
+ }
+}
+
+
+void annotateIclass(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+ switch(cmd[0])
+ {
+ case ICLASS_CMD_ACTALL: snprintf(exp,size,"ACTALL"); break;
+ case ICLASS_CMD_READ_OR_IDENTIFY:{
+ if(cmdsize > 1){
+ snprintf(exp,size,"READ(%d)",cmd[1]);
+ }else{
+ snprintf(exp,size,"IDENTIFY");
+ }
+ break;
+ }
+ case ICLASS_CMD_SELECT: snprintf(exp,size,"SELECT"); break;
+ case ICLASS_CMD_PAGESEL: snprintf(exp,size,"PAGESEL(%d)", cmd[1]); break;
+ case ICLASS_CMD_READCHECK_KC:snprintf(exp,size,"READCHECK[Kc](%d)", cmd[1]); break;
+ case ICLASS_CMD_READCHECK_KD:snprintf(exp,size,"READCHECK[Kd](%d)", cmd[1]); break;
+ case ICLASS_CMD_CHECK: snprintf(exp,size,"CHECK"); break;
+ case ICLASS_CMD_DETECT: snprintf(exp,size,"DETECT"); break;
+ case ICLASS_CMD_HALT: snprintf(exp,size,"HALT"); break;
+ case ICLASS_CMD_UPDATE: snprintf(exp,size,"UPDATE(%d)",cmd[1]); break;
+ case ICLASS_CMD_ACT: snprintf(exp,size,"ACT"); break;
+ case ICLASS_CMD_READ4: snprintf(exp,size,"READ4(%d)",cmd[1]); break;
+ default: snprintf(exp,size,"?"); break;
+ }
+ return;
+}
+
+
+void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+ switch(cmd[1]){
+ // Mandatory Commands, all Tags must support them:
+ case ISO15693_INVENTORY :snprintf(exp, size, "INVENTORY");return;
+ case ISO15693_STAYQUIET :snprintf(exp, size, "STAY_QUIET");return;
+ // Optional Commands, Tags may support them:
+ case ISO15693_READBLOCK :snprintf(exp, size, "READBLOCK");return;
+ case ISO15693_WRITEBLOCK :snprintf(exp, size, "WRITEBLOCK");return;
+ case ISO15693_LOCKBLOCK :snprintf(exp, size, "LOCKBLOCK");return;
+ case ISO15693_READ_MULTI_BLOCK :snprintf(exp, size, "READ_MULTI_BLOCK");return;
+ case ISO15693_SELECT :snprintf(exp, size, "SELECT");return;
+ case ISO15693_RESET_TO_READY :snprintf(exp, size, "RESET_TO_READY");return;
+ case ISO15693_WRITE_AFI :snprintf(exp, size, "WRITE_AFI");return;
+ case ISO15693_LOCK_AFI :snprintf(exp, size, "LOCK_AFI");return;
+ case ISO15693_WRITE_DSFID :snprintf(exp, size, "WRITE_DSFID");return;
+ case ISO15693_LOCK_DSFID :snprintf(exp, size, "LOCK_DSFID");return;
+ case ISO15693_GET_SYSTEM_INFO :snprintf(exp, size, "GET_SYSTEM_INFO");return;
+ case ISO15693_READ_MULTI_SECSTATUS :snprintf(exp, size, "READ_MULTI_SECSTATUS");return;
+ default: break;
+ }
+
+ if (cmd[1] > ISO15693_STAYQUIET && cmd[1] < ISO15693_READBLOCK) snprintf(exp, size, "Mandatory RFU");
+ else if (cmd[1] > ISO15693_READ_MULTI_SECSTATUS && cmd[1] <= 0x9F) snprintf(exp, size, "Optional RFU");
+ else if ( cmd[1] >= 0xA0 && cmd[1] <= 0xDF ) snprintf(exp, size, "Custom command");
+ else if ( cmd[1] >= 0xE0 && cmd[1] <= 0xFF ) snprintf(exp, size, "Proprietary command");
+}
+
+
+void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+ switch(cmd[0]) {
+ case TOPAZ_REQA :snprintf(exp, size, "REQA");break;
+ case TOPAZ_WUPA :snprintf(exp, size, "WUPA");break;
+ case TOPAZ_RID :snprintf(exp, size, "RID");break;
+ case TOPAZ_RALL :snprintf(exp, size, "RALL");break;
+ case TOPAZ_READ :snprintf(exp, size, "READ");break;
+ case TOPAZ_WRITE_E :snprintf(exp, size, "WRITE-E");break;
+ case TOPAZ_WRITE_NE :snprintf(exp, size, "WRITE-NE");break;
+ case TOPAZ_RSEG :snprintf(exp, size, "RSEG");break;
+ case TOPAZ_READ8 :snprintf(exp, size, "READ8");break;
+ case TOPAZ_WRITE_E8 :snprintf(exp, size, "WRITE-E8");break;
+ case TOPAZ_WRITE_NE8 :snprintf(exp, size, "WRITE-NE8");break;
+ default: snprintf(exp,size,"?"); break;
+ }
+}
+
+
+void annotateIso7816(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+ switch ( cmd[1] ){
+ case ISO7816_READ_BINARY :snprintf(exp, size, "READ BINARY");break;
+ case ISO7816_WRITE_BINARY :snprintf(exp, size, "WRITE BINARY");break;
+ case ISO7816_UPDATE_BINARY :snprintf(exp, size, "UPDATE BINARY");break;
+ case ISO7816_ERASE_BINARY :snprintf(exp, size, "ERASE BINARY");break;
+ case ISO7816_READ_RECORDS :snprintf(exp, size, "READ RECORD(S)");break;
+ case ISO7816_WRITE_RECORD :snprintf(exp, size, "WRITE RECORD");break;
+ case ISO7816_APPEND_RECORD :snprintf(exp, size, "APPEND RECORD");break;
+ case ISO7816_UPDATE_DATA :snprintf(exp, size, "UPDATE DATA");break;
+ case ISO7816_GET_DATA :snprintf(exp, size, "GET DATA");break;
+ case ISO7816_PUT_DATA :snprintf(exp, size, "PUT DATA");break;
+ case ISO7816_SELECT_FILE :snprintf(exp, size, "SELECT FILE");break;
+ case ISO7816_VERIFY :snprintf(exp, size, "VERIFY");break;
+ case ISO7816_INTERNAL_AUTHENTICATE :snprintf(exp, size, "INTERNAL AUTHENTICATE");break;
+ case ISO7816_EXTERNAL_AUTHENTICATE :snprintf(exp, size, "EXTERNAL AUTHENTICATE");break;
+ case ISO7816_GET_CHALLENGE :snprintf(exp, size, "GET CHALLENGE");break;
+ case ISO7816_MANAGE_CHANNEL :snprintf(exp, size, "MANAGE CHANNEL");break;
+ case ISO7816_GET_RESPONSE :snprintf(exp, size, "GET RESPONSE");break;
+ case ISO7816_ENVELOPE :snprintf(exp, size, "ENVELOPE");break;
+ case ISO7816_GET_PROCESSING_OPTIONS :snprintf(exp, size, "GET PROCESSING OPTIONS");break;
+ default :snprintf(exp,size,"?"); break;
+ }
+}
+
+
+void annotateIso14443_4(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize){
+ // S-block
+ if ((cmd[0] & 0xc3) == 0xc2) {
+ switch (cmd[0] & 0x30) {
+ case 0x00 : snprintf(exp, size, "S-block DESELECT"); break;
+ case 0x30 : snprintf(exp, size, "S-block WTX"); break;
+ default : snprintf(exp, size, "S-block (RFU)"); break;
+ }
+ }
+ // R-block (ack)
+ else if ((cmd[0] & 0xe0) == 0xa0) {
+ if ((cmd[0] & 0x10) == 0)
+ snprintf(exp, size, "R-block ACK");
+ else
+ snprintf(exp, size, "R-block NACK");
+ }
+ // I-block
+ else {
+ int pos = 1;
+ switch (cmd[0] & 0x0c) {
+ case 0x08: // CID following
+ case 0x04: // NAD following
+ pos = 2;
+ break;
+ case 0x0c: // CID and NAD following
+ pos = 3;
+ break;
+ default:
+ pos = 1; // no CID, no NAD
+ break;
+ }
+ annotateIso7816(exp, size, &cmd[pos], cmdsize-pos);
+ }
+}
+
+
+/**
+06 00 = INITIATE
+0E xx = SELECT ID (xx = Chip-ID)
+0B = Get UID
+08 yy = Read Block (yy = block number)
+09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
+0C = Reset to Inventory
+0F = Completion
+0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
+**/
+
+void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+ switch(cmd[0]){
+ case ISO14443B_REQB : snprintf(exp,size,"REQB");break;
+ case ISO14443B_ATTRIB : snprintf(exp,size,"ATTRIB");break;
+ case ISO14443B_HALT : snprintf(exp,size,"HALT");break;
+ case ISO14443B_INITIATE : snprintf(exp,size,"INITIATE");break;
+ case ISO14443B_SELECT : snprintf(exp,size,"SELECT(%d)",cmd[1]);break;
+ case ISO14443B_GET_UID : snprintf(exp,size,"GET UID");break;
+ case ISO14443B_READ_BLK : snprintf(exp,size,"READ_BLK(%d)", cmd[1]);break;
+ case ISO14443B_WRITE_BLK : snprintf(exp,size,"WRITE_BLK(%d)",cmd[1]);break;
+ case ISO14443B_RESET : snprintf(exp,size,"RESET");break;
+ case ISO14443B_COMPLETION : snprintf(exp,size,"COMPLETION");break;
+ case ISO14443B_AUTHENTICATE : snprintf(exp,size,"AUTHENTICATE");break;
+ default : snprintf(exp,size ,"?");break;
+ }
+
+}
+