mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-08-14 10:37:23 -07:00
sam_seos: add suppport for HID SAM communication with SEOS cards, based on bettse/seader project
This commit is contained in:
parent
661b7bad22
commit
c08e6c47c8
4 changed files with 475 additions and 2 deletions
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@ -2246,7 +2246,7 @@ static void PacketReceived(PacketCommandNG *packet) {
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break;
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}
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case CMD_HF_SAM_SEOS: {
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// sam_seos_get_pacs();
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sam_seos_get_pacs();
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break;
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}
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@ -14,9 +14,359 @@
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// See LICENSE.txt for the text of the license.
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//-----------------------------------------------------------------------------
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// Routines to support SEOS <-> SAM communication
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// communication and ASN.1 messages based on https://github.com/bettse/seader/blob/main/seader.asn1
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//-----------------------------------------------------------------------------
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#include "sam_seos.h"
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#include "sam_common.h"
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#include "iclass.h"
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#include "proxmark3_arm.h"
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#include "iso14443a.h"
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#include "iclass.h"
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#include "crc16.h"
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#include "proxmark3_arm.h"
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#include "BigBuf.h"
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#include "cmd.h"
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#include "commonutil.h"
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#include "ticks.h"
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#include "dbprint.h"
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#include "i2c.h"
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#include "protocols.h"
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#include "optimized_cipher.h"
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#include "fpgaloader.h"
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#include "cmd.h"
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/**
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* @brief Sets the card detected status for the SAM (Secure Access Module).
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*
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* This function informs that a card has been detected by the reader and
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* initializes SAM communication with the card.
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*
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* @param card_select Pointer to the descriptor of the detected card.
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* @return Status code indicating success or failure of the operation.
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*/
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static int sam_set_card_detected(iso14a_card_select_t * card_select){
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int res = PM3_SUCCESS;
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if (g_dbglevel >= DBG_DEBUG)
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DbpString("start sam_set_card_detected");
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if(card_select ->uidlen != 4)
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return PM3_EFAILED;
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uint8_t * response = BigBuf_malloc(ISO7816_MAX_FRAME);
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uint16_t response_len = ISO7816_MAX_FRAME;
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uint8_t payload[] = {
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0xa0, (2+(2+(4*2 +2+4+2+1))), // <- SAM command
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0xad, (2+(4*2 +2+4+2+1)), // <- set detected card
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0xa0, (4*2 +2+4+2+1),
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0x80, 2, // <- protocol
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0x00, 0x02, // <- ISO14443A
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0x81, card_select->uidlen, // <- CSN
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card_select->uid[0], card_select->uid[1], card_select->uid[2], card_select->uid[3],
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0x82, 2, // <- ATQA
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card_select->atqa[0], card_select->atqa[1],
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0x83, 1, // <- SAK
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card_select->sak
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};
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uint16_t payload_len = sizeof(payload);
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sam_send_payload(
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0x44, 0x0a, 0x44,
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payload,
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&payload_len,
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response,
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&response_len
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);
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// resp:
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// c1 64 00 00 00
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// bd 02 <- response
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// 8a 00 <- empty response (accepted)
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// 90 00
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if(response[5] != 0xbd){
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if (g_dbglevel >= DBG_ERROR)
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Dbprintf("Invalid SAM response");
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goto error;
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}else{
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// uint8_t * sam_response_an = sam_find_asn1_node(response + 5, 0x8a);
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// if(sam_response_an == NULL){
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// if (g_dbglevel >= DBG_ERROR)
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// Dbprintf("Invalid SAM response");
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// goto error;
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// }
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goto out;
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}
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error:
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res = PM3_ESOFT;
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out:
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BigBuf_free();
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if (g_dbglevel >= DBG_DEBUG)
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DbpString("end sam_set_card_detected");
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return res;
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}
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/**
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* @brief Copies the payload from an NFC buffer to a SAM buffer.
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*
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* Wraps received data from NFC into an ASN1 tree, so it can be transmitted to the SAM .
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*
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* @param sam_tx Pointer to the SAM transmit buffer.
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* @param nfc_rx Pointer to the NFC receive buffer.
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* @param nfc_len Length of the data to be copied from the NFC buffer.
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*
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* @return Length of SAM APDU to be sent.
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*/
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inline static uint16_t sam_seos_copy_payload_nfc2sam(uint8_t *sam_tx, uint8_t * nfc_rx, uint8_t nfc_len){
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// NFC resp:
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// 6f 0c 84 0a a0 00 00 04 40 00 01 01 00 01 90 00 fb e3
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// SAM req:
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// bd 1c
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// a0 1a
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// a0 18
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// 80 12
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// 6f 0c 84 0a a0 00 00 04 40 00 01 01 00 01 90 00 fb e3
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// 81 02
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// 00 00
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sam_tx[0] = 0xBD;
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sam_tx[2] = 0xA0;
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sam_tx[4] = 0xA0;
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sam_tx[6] = 0x80;
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sam_tx[7] = nfc_len;
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memcpy(sam_tx+8, nfc_rx, nfc_len);
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sam_tx[8+nfc_len] = 0x81;
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sam_tx[9+nfc_len] = 0x02;
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sam_tx[10+nfc_len] = 0x00;
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sam_tx[11+nfc_len] = 0x00;
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// fix lengths
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sam_tx[5] = 2 + nfc_len + 4;
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sam_tx[3] = sam_tx[5] + 2;
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sam_tx[1] = sam_tx[3] + 2;
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return sam_tx[1] + 2;
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}
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/**
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* @brief Copies the payload from the SAM receive buffer to the NFC transmit buffer.
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*
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* Unpacks data to be transmitted from ASN1 tree in APDU received from SAM.
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*
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* @param nfc_tx_buf Pointer to the buffer where the NFC transmit data will be stored.
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* @param sam_rx_buf Pointer to the buffer containing the data received from the SAM.
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* @return Length of NFC APDU to be sent.
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*/
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inline static uint16_t sam_seos_copy_payload_sam2nfc(uint8_t * nfc_tx_buf, uint8_t * sam_rx_buf){
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// SAM resp:
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// c1 61 c1 00 00
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// a1 21 <- nfc command
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// a1 1f <- nfc send
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// 80 10 <- data
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// 00 a4 04 00 0a a0 00 00 04 40 00 01 01 00 01 00
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// 81 02 <- protocol
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// 02 02
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// 82 02 <- timeout
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// 01 2e
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// 85 03 <- format
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// 06 c0 00
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// 90 00
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// NFC req:
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// 00 a4 04 00 0a a0 00 00 04 40 00 01 01 00 01 00
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// copy data out of c1->a1>->a1->80 node
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uint16_t nfc_tx_len = (uint8_t) *(sam_rx_buf + 10);
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memcpy(nfc_tx_buf, sam_rx_buf+11, nfc_tx_len);
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return nfc_tx_len;
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}
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/**
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* @brief Copies the payload from the SAM receive buffer to the NFC transmit buffer.
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*
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* Unpacks data to be transmitted from ASN1 tree in APDU received from SAM.
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*
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* @param pacs Pointer to the buffer where the decoded PACS data will be stored.
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* @param pacs_len Pointer to the variable where the length of the PACS data will be stored.
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* @return Status code indicating success or failure of the operation.
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*/
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static int sam_request_pacs(uint8_t * pacs, uint8_t * pacs_len){
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int res = PM3_SUCCESS;
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if (g_dbglevel >= DBG_DEBUG)
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DbpString("start sam_request_pacs");
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uint8_t buf1[ISO7816_MAX_FRAME] = {0};
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uint8_t buf2[ISO7816_MAX_FRAME] = {0};
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uint8_t * sam_tx_buf = buf1;
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uint16_t sam_tx_len;
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uint8_t * sam_rx_buf = buf2;
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uint16_t sam_rx_len;
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uint8_t * nfc_tx_buf = buf1;
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uint16_t nfc_tx_len;
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uint8_t * nfc_rx_buf = buf2;
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uint16_t nfc_rx_len;
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// send get pacs
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static const uint8_t payload[] = {
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0xa0, 5, // <- SAM command
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0xa1, 3, // <- get PACS
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0x80, 1,
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0x04
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};
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sam_tx_len = sizeof(payload);
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memcpy(sam_tx_buf, payload, sam_tx_len);
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sam_send_payload(
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0x44, 0x0a, 0x44,
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sam_tx_buf, &sam_tx_len,
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sam_rx_buf, &sam_rx_len
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);
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// tag <-> SAM exchange starts here
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for(int i = 0; i < 20; i++){
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switch_clock_to_countsspclk();
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nfc_tx_len = sam_seos_copy_payload_sam2nfc(nfc_tx_buf, sam_rx_buf);
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nfc_rx_len = iso14_apdu(
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nfc_tx_buf,
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nfc_tx_len,
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false,
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nfc_rx_buf,
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ISO7816_MAX_FRAME,
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NULL
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);
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switch_clock_to_ticks();
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sam_tx_len = sam_seos_copy_payload_nfc2sam(sam_tx_buf, nfc_rx_buf, nfc_rx_len-2);
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sam_send_payload(
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0x14, 0x0a, 0x14,
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sam_tx_buf, &sam_tx_len,
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sam_rx_buf, &sam_rx_len
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);
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// last SAM->TAG
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// c1 61 c1 00 00 a1 02 >>82<< 00 90 00
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if(sam_rx_buf[7] == 0x82){
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// tag <-> SAM exchange ends here
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break;
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}
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}
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static const uint8_t hfack[] = {
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0xbd, 0x04, 0xa0, 0x02, 0x82, 0x00
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};
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sam_tx_len = sizeof(hfack);
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memcpy(sam_tx_buf, hfack, sam_tx_len);
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sam_send_payload(
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0x14, 0x0a, 0x00,
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sam_tx_buf, &sam_tx_len,
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sam_rx_buf, &sam_rx_len
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);
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// resp:
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// c1 64 00 00 00
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// bd 09
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// 8a 07
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// 03 05 <- include tag for pm3 client
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// 06 85 80 6d c0 <- decoded PACS data
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// 90 00
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if(sam_rx_buf[5+2] != 0x8a && sam_rx_buf[5+4] != 0x03){
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if (g_dbglevel >= DBG_ERROR)
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Dbprintf("Invalid SAM response");
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goto err;
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}
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*pacs_len = sam_rx_buf[5+5] +2;
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memcpy(pacs, sam_rx_buf+5+4, *pacs_len);
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res=PM3_SUCCESS;
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goto out;
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err:
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res=PM3_ESOFT;
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out:
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return res;
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}
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/**
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* @brief Retrieves PACS data from SEOS card using SAM.
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*
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* This function is called by appmain.c
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* It sends a request to the SAM to get the PACS data from the SEOS card.
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* The PACS data is then returned to the PM3 client.
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*
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* @return Status code indicating success or failure of the operation.
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*/
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int sam_seos_get_pacs(void){
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int res = PM3_EFAILED;
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clear_trace();
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I2C_Reset_EnterMainProgram();
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set_tracing(true);
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StartTicks();
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// step 1: ping SAM
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sam_get_version();
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// step 2: get card information
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iso14a_card_select_t card_a_info;
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// implicit StartSspClk() happens here
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iso14443a_setup(FPGA_HF_ISO14443A_READER_MOD);
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if (!iso14443a_select_card(NULL, &card_a_info, NULL, true, 0, false)){
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goto err;
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}
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switch_clock_to_ticks();
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// step 3: SamCommand CardDetected
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sam_set_card_detected(&card_a_info);
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// step 3: SamCommand RequestPACS, relay NFC communication
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uint8_t pacs[10] = { 0x00 };
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uint8_t pacs_len = 0;
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res = sam_request_pacs(pacs, &pacs_len);
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if(res != PM3_SUCCESS){
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goto err;
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}
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if (g_dbglevel >= DBG_INFO)
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print_result("PACS data", pacs, pacs_len);
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sam_send_ack();
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goto out;
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goto off;
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err:
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res = PM3_ENOPACS;
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reply_ng(CMD_HF_SAM_SEOS, res, NULL, 0);
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goto off;
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out:
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reply_ng(CMD_HF_SAM_SEOS, PM3_SUCCESS, pacs, pacs_len);
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goto off;
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off:
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switch_off();
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set_tracing(false);
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StopTicks();
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BigBuf_free();
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return res;
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}
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@ -18,4 +18,6 @@
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#include "common.h"
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int sam_seos_get_pacs(void);
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#endif
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@ -30,6 +30,9 @@
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#include "ui.h"
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#include "cmdhf14a.h" // manufacture
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#include "protocols.h" // definitions of ISO14A/7816 protocol
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#include "cardhelper.h"
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#include "wiegand_formats.h"
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#include "wiegand_formatutils.h"
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#include "iso7816/apduinfo.h" // GetAPDUCodeDescription
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#include "crypto/asn1utils.h" // ASN1 decode / print
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#include "crypto/libpcrypto.h" // AES decrypt
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@ -1632,10 +1635,129 @@ static int CmdHfSeosList(const char *Cmd) {
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return CmdTraceListAlias(Cmd, "hf seos", "seos -c");
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}
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static int CmdHfSeosSAM(const char *Cmd) {
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CLIParserContext *ctx;
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CLIParserInit(&ctx, "hf seos sam",
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"Extract PACS via a HID SAM\n",
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"hf seos sam\n"
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);
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void *argtable[] = {
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arg_param_begin,
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arg_lit0("v", "verbose", "verbose output"),
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arg_param_end
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};
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CLIExecWithReturn(ctx, Cmd, argtable, true);
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bool verbose = arg_get_lit(ctx, 1);
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CLIParserFree(ctx);
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if (IsHIDSamPresent(verbose) == false) {
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return PM3_ESOFT;
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}
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clearCommandBuffer();
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SendCommandNG(CMD_HF_SAM_SEOS, NULL, 0);
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PacketResponseNG resp;
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if (WaitForResponseTimeout(CMD_HF_SAM_SEOS, &resp, 4000) == false) {
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PrintAndLogEx(WARNING, "SAM timeout");
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return PM3_ETIMEOUT;
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}
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switch (resp.status) {
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case PM3_SUCCESS:
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break;
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case PM3_ENOPACS:
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PrintAndLogEx(SUCCESS, "No PACS data found. Card empty?");
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return resp.status;
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default:
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PrintAndLogEx(WARNING, "SAM select failed");
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return resp.status;
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}
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// CSN, config, epurse, NR/MAC, AIA
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// PACS
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// first byte skip
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// second byte length
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// third padded
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// fourth ..
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uint8_t *d = resp.data.asBytes;
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uint8_t n = d[1] - 1; // skip length byte
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uint8_t pad = d[2];
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char *binstr = (char *)calloc((n * 8) + 1, sizeof(uint8_t));
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if (binstr == NULL) {
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return PM3_EMALLOC;
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}
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bytes_2_binstr(binstr, d + 3, n);
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PrintAndLogEx(NORMAL, "");
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PrintAndLogEx(SUCCESS, "PACS......... " _GREEN_("%s"), sprint_hex_inrow(d + 2, resp.length - 2));
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PrintAndLogEx(SUCCESS, "padded bin... " _GREEN_("%s") " ( %zu )", binstr, strlen(binstr));
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binstr[strlen(binstr) - pad] = '\0';
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PrintAndLogEx(SUCCESS, "bin.......... " _GREEN_("%s") " ( %zu )", binstr, strlen(binstr));
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size_t hexlen = 0;
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uint8_t hex[16] = {0};
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binstr_2_bytes(hex, &hexlen, binstr);
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PrintAndLogEx(SUCCESS, "hex.......... " _GREEN_("%s"), sprint_hex_inrow(hex, hexlen));
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uint32_t top = 0, mid = 0, bot = 0;
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if (binstring_to_u96(&top, &mid, &bot, binstr) != strlen(binstr)) {
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PrintAndLogEx(ERR, "Binary string contains none <0|1> chars");
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free(binstr);
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return PM3_EINVARG;
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}
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PrintAndLogEx(NORMAL, "");
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PrintAndLogEx(INFO, "Wiegand decode");
|
||||
wiegand_message_t packed = initialize_message_object(top, mid, bot, strlen(binstr));
|
||||
HIDTryUnpack(&packed);
|
||||
|
||||
PrintAndLogEx(NORMAL, "");
|
||||
|
||||
if (strlen(binstr) >= 26 && verbose) {
|
||||
|
||||
// iCLASS Legacy
|
||||
PrintAndLogEx(INFO, "Clone to " _YELLOW_("iCLASS Legacy"));
|
||||
PrintAndLogEx(SUCCESS, " hf iclass encode --ki 0 --bin %s", binstr);
|
||||
PrintAndLogEx(NORMAL, "");
|
||||
|
||||
// HID Prox II
|
||||
PrintAndLogEx(INFO, "Downgrade to " _YELLOW_("HID Prox II"));
|
||||
PrintAndLogEx(SUCCESS, " lf hid clone -w H10301 --bin %s", binstr);
|
||||
PrintAndLogEx(NORMAL, "");
|
||||
|
||||
// MIFARE Classic
|
||||
char mfcbin[28] = {0};
|
||||
mfcbin[0] = '1';
|
||||
memcpy(mfcbin + 1, binstr, strlen(binstr));
|
||||
binstr_2_bytes(hex, &hexlen, mfcbin);
|
||||
|
||||
PrintAndLogEx(INFO, "Downgrade to " _YELLOW_("MIFARE Classic") " (Pm3 simulation)");
|
||||
PrintAndLogEx(SUCCESS, " hf mf eclr;");
|
||||
PrintAndLogEx(SUCCESS, " hf mf esetblk --blk 0 -d 049DBA42A23E80884400C82000000000;");
|
||||
PrintAndLogEx(SUCCESS, " hf mf esetblk --blk 1 -d 1B014D48000000000000000000000000;");
|
||||
PrintAndLogEx(SUCCESS, " hf mf esetblk --blk 3 -d A0A1A2A3A4A5787788C189ECA97F8C2A;");
|
||||
PrintAndLogEx(SUCCESS, " hf mf esetblk --blk 5 -d 020000000000000000000000%s;", sprint_hex_inrow(hex, hexlen));
|
||||
PrintAndLogEx(SUCCESS, " hf mf esetblk --blk 7 -d 484944204953787788AA204752454154;");
|
||||
PrintAndLogEx(SUCCESS, " hf mf sim --1k -i;");
|
||||
PrintAndLogEx(NORMAL, "");
|
||||
|
||||
PrintAndLogEx(INFO, "Downgrade to " _YELLOW_("MIFARE Classic 1K"));
|
||||
PrintAndLogEx(SUCCESS, " hf mf encodehid --bin %s", binstr);
|
||||
PrintAndLogEx(NORMAL, "");
|
||||
}
|
||||
free(binstr);
|
||||
|
||||
return PM3_SUCCESS;
|
||||
}
|
||||
|
||||
static command_t CommandTable[] = {
|
||||
{"-----------", CmdHelp, AlwaysAvailable, "----------------------- " _CYAN_("General") " -----------------------"},
|
||||
{"help", CmdHelp, AlwaysAvailable, "This help"},
|
||||
{"list", CmdHfSeosList, AlwaysAvailable, "List SEOS history"},
|
||||
{"sam", CmdHfSeosSAM, IfPm3Smartcard, "SAM tests"},
|
||||
{"-----------", CmdHelp, AlwaysAvailable, "----------------------- " _CYAN_("Operations") " -----------------------"},
|
||||
{"info", CmdHfSeosInfo, IfPm3NfcBarcode, "Tag information"},
|
||||
{"pacs", CmdHfSeosPACS, AlwaysAvailable, "Extract PACS Information from card"},
|
||||
|
@ -1643,7 +1765,6 @@ static command_t CommandTable[] = {
|
|||
{"gdf", CmdHfSeosGDF, AlwaysAvailable, "Read an GDF from card"},
|
||||
{"-----------", CmdHelp, AlwaysAvailable, "----------------------- " _CYAN_("Utils") " -----------------------"},
|
||||
{"managekeys", CmdHfSeosManageKeys, AlwaysAvailable, "Manage keys to use with SEOS commands"},
|
||||
|
||||
{NULL, NULL, NULL, NULL}
|
||||
};
|
||||
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue