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[Fix/Feature] Implement ISO-DEP Chaining & Integrated EMV Scanning Suite #400

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[Fix/Feature] Implement ISO-DEP Chaining & Integrated EMV Scanning Suite #400

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114dfb5
protocol ISO 14443-4 and emv scan, loading json file from PM3rdv4
nieldk Apr 4, 2026
c67da43
Remove duplicate rc522.h include
nieldk Apr 4, 2026
39608db
Add PROJECT_CHAMELEON_ULTRA specific commands
nieldk Apr 4, 2026
18b9c4e
Fix syntax error in app_cmd.c
nieldk Apr 4, 2026
4388ba4
Remove conditional compilation for PROJECT_CHAMELEON_ULTRA
nieldk Apr 4, 2026
3fc44ba
Merge branch 'RfidResearchGroup:main' into main
nieldk Apr 5, 2026
9ff0372
Merge branch 'main' into main
nieldk Apr 7, 2026
94c1203
Merge branch 'RfidResearchGroup:main' into main
nieldk Apr 8, 2026
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1 change: 1 addition & 0 deletions firmware/application/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ SRC_FILES += \
$(PROJ_DIR)/rfid/nfctag/tag_persistence.c \
$(PROJ_DIR)/rfid/nfctag/hf/crypto1_helper.c \
$(PROJ_DIR)/rfid/nfctag/hf/nfc_14a.c \
$(PROJ_DIR)/rfid/nfctag/hf/nfc_14a_4.c \
$(PROJ_DIR)/rfid/nfctag/hf/nfc_mf1.c \
$(PROJ_DIR)/rfid/nfctag/hf/nfc_mf0_ntag.c \
$(PROJ_DIR)/rfid/nfctag/lf/lf_tag_em.c \
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418 changes: 415 additions & 3 deletions firmware/application/src/app_cmd.c
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9 changes: 9 additions & 0 deletions firmware/application/src/data_cmd.h
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,7 @@
#define DATA_CMD_MF1_READ_ONE_BLOCK (2008)
#define DATA_CMD_MF1_WRITE_ONE_BLOCK (2009)
#define DATA_CMD_HF14A_RAW (2010)
#define DATA_CMD_HF14A_SCAN_KEEP (2016) /* scan+RATS, keep field alive for APDU exchange */
#define DATA_CMD_MF1_MANIPULATE_VALUE_BLOCK (2011)
#define DATA_CMD_MF1_CHECK_KEYS_OF_SECTORS (2012)
#define DATA_CMD_MF1_HARDNESTED_ACQUIRE (2013)
Expand Down Expand Up @@ -167,6 +168,14 @@

//
// ******************************************************************
/* ISO14443-4 T=CL emulation commands */
#define DATA_CMD_HF14A_4_APDU_RECV (6000) /* non-blocking poll: firmware->host APDU */
#define DATA_CMD_HF14A_4_APDU_SEND (6001) /* host->firmware APDU response */
#define DATA_CMD_HF14A_4_SET_ANTI_COLL (6002) /* set UID/ATQA/SAK/ATS */
#define DATA_CMD_HF14A_4_STATIC_RESP (6003) /* add/clear static APDU response pair */
#define DATA_CMD_HF14A_4_READER_APDU (6004) /* select+RATS+send APDU, keep field */
#define DATA_CMD_HF14A_4_EMV_SCAN (6005) /* full EMV scan in one call */

#define DATA_CMD_EM410X_SET_EMU_ID (5000)
#define DATA_CMD_EM410X_GET_EMU_ID (5001)
#define DATA_CMD_HIDPROX_SET_EMU_ID (5002)
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13 changes: 8 additions & 5 deletions firmware/application/src/rfid/nfctag/hf/nfc_14a.c
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Expand Up @@ -527,6 +527,10 @@ void nfc_tag_14a_data_process(uint8_t *p_data) {
}
// RATS instruction
if (p_data[0] == NFC_TAG_14A_CMD_RATS && nfc_tag_14a_checks_crc(p_data, 4)) {
// Reset T=CL layer state for the new session
if (m_tag_handler.cb_reset != NULL) {
m_tag_handler.cb_reset();
}
// Make sure the sub -packaging opens the support of ATS
if (auto_coll_res->ats->length > 0) {
// Take out FSD and return according to the maximum FSD
Expand Down Expand Up @@ -571,11 +575,10 @@ static inline void nrf_nfct_reset(void) {
// Use Window Grid frame delay mode.
nrf_nfct_frame_delay_mode_set(NRF_NFCT_FRAME_DELAY_MODE_WINDOWGRID);

/* Begin: Workaround for anomaly 25 */
/* Workaround for wrong SENSRES values require using SDD00001, but here SDD00100 is used
because it is required to operate with Windows Phone */
nrf_nfct_sensres_bit_frame_sdd_set(NRF_NFCT_SENSRES_BIT_FRAME_SDD_00100);
/* End: Workaround for anomaly 25 */
/* Use SDD00001 per ISO14443-3 standard.
* Note: SDD00100 was previously used for Windows Phone compatibility
* but breaks standard readers (including Proxmark3). SDD00001 is correct. */
nrf_nfct_sensres_bit_frame_sdd_set(NRF_NFCT_SENSRES_BIT_FRAME_SDD_00001);

// Restore interrupts.
nrf_nfct_int_enable(int_enabled);
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2 changes: 1 addition & 1 deletion firmware/application/src/rfid/nfctag/hf/nfc_14a.h
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Expand Up @@ -4,7 +4,7 @@
#include "tag_emulation.h"

#define MAX_NFC_RX_BUFFER_SIZE 257
#define MAX_NFC_TX_BUFFER_SIZE 64
#define MAX_NFC_TX_BUFFER_SIZE 512 /* must hold PCB + max APDU response */

#define NFC_TAG_14A_CRC_LENGTH 2

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