#include <stdlib.h>
#include <stdio.h>
#include <string.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include "util.h"
+#include "data.h"
+#include "ui.h"
+#include "iso14443crc.h"
+#include "parity.h"
+#include "protocols.h"
+enum MifareAuthSeq {
+ masNone,
+ masNt,
+ masNrAr,
+ masAt,
+ masData,
+ masDataNested,
+ masError,
+};
+static enum MifareAuthSeq MifareAuthState;
+
+/**
+ * @brief iso14443A_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
+ */
+uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
+{
+ uint8_t b1,b2;
+
+ if(len <= 2) return 2;
+
+ if(isResponse & (len < 6)) return 2;
+
+ ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
+ if (b1 != data[len-2] || b2 != data[len-1]) {
+ return 0;
+ } else {
+ return 1;
+ }
+}
+
+uint8_t mifare_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
+{
+ switch(MifareAuthState) {
+ case masNone:
+ case masData:
+ case masDataNested:
+ case masError:
+ return iso14443A_CRC_check(isResponse, data, len);
+ default:
+ return 2;
+ }
+
+}
+
+void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
+{
+ switch(cmd[0])
+ {
+ case ISO14443A_CMD_WUPA: snprintf(exp,size,"WUPA"); break;
+ case ISO14443A_CMD_ANTICOLL_OR_SELECT:{
+ // 93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
+ // 93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
+ if(cmd[1] == 0x70)
+ {
+ snprintf(exp,size,"SELECT_UID"); break;
+ }else
+ {
+ snprintf(exp,size,"ANTICOLL"); break;
+ }
+ }
+ case ISO14443A_CMD_ANTICOLL_OR_SELECT_2:{
+ //95 20 = Anticollision of cascade level2
+ //95 70 = Select of cascade level2
+ if(cmd[2] == 0x70)
+ {
+ snprintf(exp,size,"SELECT_UID-2"); break;
+ }else
+ {
+ snprintf(exp,size,"ANTICOLL-2"); break;
+ }
+ }
+ case ISO14443A_CMD_REQA: snprintf(exp,size,"REQA"); break;
+ case ISO14443A_CMD_READBLOCK: snprintf(exp,size,"READBLOCK(%d)",cmd[1]); break;
+ case ISO14443A_CMD_WRITEBLOCK: snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); break;
+ case ISO14443A_CMD_HALT:
+ snprintf(exp,size,"HALT");
+ MifareAuthState = masNone;
+ break;
+ case ISO14443A_CMD_RATS: snprintf(exp,size,"RATS"); break;
+ case MIFARE_CMD_INC: snprintf(exp,size,"INC(%d)",cmd[1]); break;
+ case MIFARE_CMD_DEC: snprintf(exp,size,"DEC(%d)",cmd[1]); break;
+ case MIFARE_CMD_RESTORE: snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
+ case MIFARE_CMD_TRANSFER: snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
+ case MIFARE_AUTH_KEYA:
+ if ( cmdsize > 3) {
+ snprintf(exp,size,"AUTH-A(%d)",cmd[1]);
+ MifareAuthState = masNt;
+ } else {
+ // case MIFARE_ULEV1_VERSION : both 0x60.
+ snprintf(exp,size,"EV1 VERSION");
+ }
+ break;
+ case MIFARE_AUTH_KEYB:
+ MifareAuthState = masNt;
+ snprintf(exp,size,"AUTH-B(%d)",cmd[1]);
+ break;
+ case MIFARE_MAGICWUPC1: snprintf(exp,size,"MAGIC WUPC1"); break;
+ case MIFARE_MAGICWUPC2: snprintf(exp,size,"MAGIC WUPC2"); break;
+ case MIFARE_MAGICWIPEC: snprintf(exp,size,"MAGIC WIPEC"); break;
+ case MIFARE_ULC_AUTH_1: snprintf(exp,size,"AUTH "); break;
+ case MIFARE_ULC_AUTH_2: snprintf(exp,size,"AUTH_ANSW"); break;
+ case MIFARE_ULEV1_AUTH:
+ if ( cmdsize == 7 )
+ snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
+ else
+ snprintf(exp,size,"PWD-AUTH");
+ break;
+ case MIFARE_ULEV1_FASTREAD:{
+ if ( cmdsize >=3 && cmd[2] <= 0xE6)
+ snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]);
+ else
+ snprintf(exp,size,"?");
+ break;
+ }
+ case MIFARE_ULC_WRITE:{
+ if ( cmd[1] < 0x21 )
+ snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]);
+ else
+ snprintf(exp,size,"?");
+ break;
+ }
+ case MIFARE_ULEV1_READ_CNT:{
+ if ( cmd[1] < 5 )
+ snprintf(exp,size,"READ CNT(%d)",cmd[1]);
+ else
+ snprintf(exp,size,"?");
+ break;
+ }
+ case MIFARE_ULEV1_INCR_CNT:{
+ if ( cmd[1] < 5 )
+ snprintf(exp,size,"INCR(%d)",cmd[1]);
+ else
+ snprintf(exp,size,"?");
+ break;
+ }
+ case MIFARE_ULEV1_READSIG: snprintf(exp,size,"READ_SIG"); break;
+ case MIFARE_ULEV1_CHECKTEAR: snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
+ case MIFARE_ULEV1_VCSL: snprintf(exp,size,"VCSL"); break;
+ default: snprintf(exp,size,"?"); break;
+ }
+ return;
+}
+
+void annotateMifare(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize, bool isResponse) {
+ switch(MifareAuthState) {
+ case masNt:
+ if (cmdsize == 4) {
+ snprintf(exp,size,"AUTH: nt");
+ MifareAuthState = masNrAr;
+ printf("--ntok\n");
+ return;
+ } else {
+ MifareAuthState = masError;
+ printf("--err %d\n", cmdsize);
+ }
+ break;
+ case masNrAr:
+ if (cmdsize == 8) {
+ snprintf(exp,size,"AUTH: nr ar");
+ MifareAuthState = masAt;
+ return;
+ } else {
+ MifareAuthState = masError;
+ }
+ break;
+ case masAt:
+ if (cmdsize == 4) {
+ snprintf(exp,size,"AUTH: at");
+ MifareAuthState = masData;
+ return;
+ } else {
+ MifareAuthState = masError;
+ }
+ break;
+ default:
+ break;
+ }
+
+ if (!isResponse)
+ annotateIso14443a(exp, size, cmd, cmdsize);
+
+}
projects / proxmark3-svn / blobdiff