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ntag i2c 2k - fast write

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This commit is contained in:
iceman1001 2021-08-22 21:32:14 +02:00
parent 9c2cbe9fbb
commit e811b35a6f
2 changed files with 15 additions and 1 deletions
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15
client/src/cmdhflist.c
View file

@ -45,6 +45,9 @@ void ClearAuthData(void) {
AuthData.ks3 = 0;
}
static int gs_ntag_i2c_state = 0;
/**
* @brief iso14443A_CRC_check Checks CRC in command or response
* @param isResponse
@ -158,13 +161,17 @@ uint8_t iclass_CRC_check(bool isResponse, uint8_t *d, uint8_t n) {
return check_crc(CRC_ICLASS, d, n);
}
int applyIso14443a(char *exp, size_t size, uint8_t *cmd, uint8_t cmdsize) {
if ((cmdsize == 6) && (memcmp(cmd+1, "\x00\x00\x00", 3) == 0)) {
if ((gs_ntag_i2c_state == 1) && (cmdsize == 6) && (memcmp(cmd+1, "\x00\x00\x00", 3) == 0)) {
snprintf(exp, size, "SECTOR(%d)", cmd[0]);
gs_ntag_i2c_state = 0;
return 1;
}
gs_ntag_i2c_state = 0;
switch (cmd[0]) {
case ISO14443A_CMD_WUPA:
snprintf(exp, size, "WUPA");
@ -240,6 +247,7 @@ int applyIso14443a(char *exp, size_t size, uint8_t *cmd, uint8_t cmdsize) {
// high probability its SELECT SECTOR COMMAND:
if (cmd[1] == 0xFF) {
snprintf(exp, size, "SELECT SECTOR");
gs_ntag_i2c_state = 1;
} else {
snprintf(exp, size, "RESTORE(%d)", cmd[1]);
}
@ -336,6 +344,11 @@ int applyIso14443a(char *exp, size_t size, uint8_t *cmd, uint8_t cmdsize) {
snprintf(exp, size, "?");
break;
}
case NTAG_I2C_FASTWRITE:
if (size == 69) {
snprintf(exp, size, "FAST WRITE (%d - %d)", cmd[1], cmd[2]);
}
break;
default:
return 0;
}

1
include/protocols.h
View file

@ -195,6 +195,7 @@ ISO 7816-4 Basic interindustry commands. For command APDU's.
// NTAG i2k 2K uses sector 0, and sector 1 to have access to
// block 0x00-0xFF.
#define NTAG_I2C_SELECT_SECTOR 0xC2
#define NTAG_I2C_FASTWRITE 0xA6
// mifare 4bit card answers
#define CARD_ACK 0x0A // 1010 - ACK