nfc-utils: More decoding of ISO14443-4 ATS
This commit is contained in:
Philippe Teuwen
parent
33a99288f3
commit
91f73e1802
1 changed files with 89 additions and 44 deletions
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@ -109,41 +109,86 @@ print_nfc_iso14443a_info (const nfc_iso14443a_info_t nai)
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print_hex (nai.abtUid, nai.szUidLen);
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printf (" SAK (SEL_RES): ");
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print_hex (&nai.btSak, 1);
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if (nai.szAtsLen) {
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printf (" ATS (ATR): ");
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print_hex (nai.abtAts, nai.szAtsLen);
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}
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if (nai.szAtsLen) {
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// Decode ATS according to ISO/IEC 14443-4 (5.2 Answer to select)
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printf (" T0: " );
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size_t offset = 1;
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if (nai.abtAts[0] & 0x10) { // TA
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printf ("TA=%02x ", nai.abtAts[offset]);
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offset++;
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}
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if (nai.abtAts[0] & 0x20) { // TB
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printf ("TB=%02x ", nai.abtAts[offset]);
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offset++;
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}
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if (nai.abtAts[0] & 0x40) { // TC
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printf ("TC=%02x ", nai.abtAts[offset]);
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offset++;
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}
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printf ("\n");
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if (nai.szAtsLen > offset) {
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// XXX More decoding can be done following ISO/IEC 7816-4 (8.1.1 Historical bytes)
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printf (" Historical bytes: " );
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print_hex (nai.abtAts + offset, (nai.szAtsLen - offset));
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}
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}
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if ((nai.btSak & SAK_ISO14443_4_COMPLIANT) || (nai.btSak & SAK_ISO18092_COMPLIANT)) {
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printf (" Compliant with: ");
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printf ("* Compliant with: ");
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if (nai.btSak & SAK_ISO14443_4_COMPLIANT)
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printf ("ISO/IEC 14443-4 ");
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if (nai.btSak & SAK_ISO18092_COMPLIANT)
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printf ("ISO/IEC 18092");
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printf ("\n");
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}
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if (nai.szAtsLen) {
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printf (" ATS: ");
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print_hex (nai.abtAts, nai.szAtsLen);
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}
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if (nai.szAtsLen) {
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// Decode ATS according to ISO/IEC 14443-4 (5.2 Answer to select)
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const int iMaxFrameSizes[] = { 16, 24, 32, 40, 48, 64, 96, 128, 256 };
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printf ("* Max Frame Size accepted by PICC: %d bytes\n", iMaxFrameSizes[nai.abtAts[0] & 0x0F]);
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size_t offset = 1;
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if (nai.abtAts[0] & 0x10) { // TA(1) present
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byte_t TA = nai.abtAts[offset];
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offset++;
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printf ("* Bit Rate Capability:\n");
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if (TA == 0) {
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printf (" * PICC supports only 106 kbits/s in both directions\n");
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}
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if (TA & 1<<7) {
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printf (" * Same bitrate in both directions mandatory\n");
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}
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if (TA & 1<<4) {
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printf (" * PICC to PCD, DS=2, bitrate 212 kbits/s supported\n");
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}
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if (TA & 1<<5) {
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printf (" * PICC to PCD, DS=4, bitrate 424 kbits/s supported\n");
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}
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if (TA & 1<<6) {
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printf (" * PICC to PCD, DS=8, bitrate 847 kbits/s supported\n");
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}
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if (TA & 1<<0) {
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printf (" * PCD to PICC, DR=2, bitrate 212 kbits/s supported\n");
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}
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if (TA & 1<<1) {
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printf (" * PCD to PICC, DR=4, bitrate 424 kbits/s supported\n");
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}
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if (TA & 1<<2) {
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printf (" * PCD to PICC, DR=8, bitrate 847 kbits/s supported\n");
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}
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if (TA & 1<<3) {
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printf (" * ERROR unknown value\n");
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}
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}
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if (nai.abtAts[0] & 0x20) { // TB(1) present
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byte_t TB= nai.abtAts[offset];
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offset++;
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printf ("* Frame Waiting Time: %.4g ms\n",256.0*16.0*(1<<((TB & 0xf0) >> 4))/13560.0);
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if ((TB & 0x0f) == 0) {
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printf ("* No Start-up Frame Guard Time required\n");
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} else {
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printf ("* Start-up Frame Guard Time: %.4g ms\n",256.0*16.0*(1<<(TB & 0x0f))/13560.0);
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}
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}
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if (nai.abtAts[0] & 0x40) { // TC(1) present
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byte_t TC = nai.abtAts[offset];
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offset++;
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if (TC & 0x1) {
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printf("* Node ADdress supported\n");
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} else {
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printf("* Node ADdress not supported\n");
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}
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if (TC & 0x2) {
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printf("* Card IDentifier supported\n");
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} else {
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printf("* Card IDentifier not supported\n");
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}
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}
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if (nai.szAtsLen > offset) {
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// XXX More decoding can be done following ISO/IEC 7816-4 (8.1.1 Historical bytes)
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printf ("* Historical bytes Tk: " );
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print_hex (nai.abtAts + offset, (nai.szAtsLen - offset));
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}
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}
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}
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void
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@ -158,10 +203,10 @@ print_nfc_felica_info (const nfc_felica_info_t nfi)
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void
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print_nfc_jewel_info (const nfc_jewel_info_t nji)
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{
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printf (" ATQA (SENS_RES): ");
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print_hex (nji.btSensRes, 2);
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printf (" 4-LSB JEWELID: ");
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print_hex (nji.btId, 4);
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printf (" SENS_RES: ");
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print_hex (nji.btSensRes, 2);
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}
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#define PI_ISO14443_4_SUPPORTED 0x01
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@ -177,43 +222,43 @@ print_nfc_iso14443b_info (const nfc_iso14443b_info_t nbi)
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print_hex (nbi.abtApplicationData, 4);
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printf (" Protocol Info: ");
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print_hex (nbi.abtProtocolInfo, 3);
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printf ("Bit Rate Capability:\n");
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printf ("* Bit Rate Capability:\n");
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if (nbi.abtProtocolInfo[0] == 0) {
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printf ("* PICC supports only 106 kbits/s in both directions\n");
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printf (" * PICC supports only 106 kbits/s in both directions\n");
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}
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if (nbi.abtProtocolInfo[0] & 1<<7) {
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printf ("* Same bitrate in both directions mandatory\n");
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printf (" * Same bitrate in both directions mandatory\n");
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}
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if (nbi.abtProtocolInfo[0] & 1<<4) {
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printf ("* PICC to PCD, 1etu=64/fc, bitrate 212 kbits/s supported\n");
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printf (" * PICC to PCD, 1etu=64/fc, bitrate 212 kbits/s supported\n");
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}
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if (nbi.abtProtocolInfo[0] & 1<<5) {
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printf ("* PICC to PCD, 1etu=32/fc, bitrate 424 kbits/s supported\n");
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printf (" * PICC to PCD, 1etu=32/fc, bitrate 424 kbits/s supported\n");
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}
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if (nbi.abtProtocolInfo[0] & 1<<6) {
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printf ("* PICC to PCD, 1etu=16/fc, bitrate 847 kbits/s supported\n");
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printf (" * PICC to PCD, 1etu=16/fc, bitrate 847 kbits/s supported\n");
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}
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if (nbi.abtProtocolInfo[0] & 1<<0) {
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printf ("* PCD to PICC, 1etu=64/fc, bitrate 212 kbits/s supported\n");
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printf (" * PCD to PICC, 1etu=64/fc, bitrate 212 kbits/s supported\n");
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}
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if (nbi.abtProtocolInfo[0] & 1<<1) {
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printf ("* PCD to PICC, 1etu=32/fc, bitrate 424 kbits/s supported\n");
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printf (" * PCD to PICC, 1etu=32/fc, bitrate 424 kbits/s supported\n");
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}
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if (nbi.abtProtocolInfo[0] & 1<<2) {
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printf ("* PCD to PICC, 1etu=16/fc, bitrate 847 kbits/s supported\n");
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printf (" * PCD to PICC, 1etu=16/fc, bitrate 847 kbits/s supported\n");
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}
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if (nbi.abtProtocolInfo[0] & 1<<3) {
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printf ("* ERROR unknown value\n");
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printf (" * ERROR unknown value\n");
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}
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if( (nbi.abtProtocolInfo[1] & 0xf0) <= 0x80 ) {
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printf ("Maximum frame sizes: %d bytes\n", iMaxFrameSizes[((nbi.abtProtocolInfo[1] & 0xf0) >> 4)]);
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printf ("* Maximum frame sizes: %d bytes\n", iMaxFrameSizes[((nbi.abtProtocolInfo[1] & 0xf0) >> 4)]);
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}
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if((nbi.abtProtocolInfo[1] & 0x0f) == PI_ISO14443_4_SUPPORTED) {
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printf ("Protocol types supported: ISO/IEC 14443-4\n");
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printf ("* Protocol types supported: ISO/IEC 14443-4\n");
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}
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printf ("Frame Waiting Time: %.4g ms\n",256.0*16.0*(1<<((nbi.abtProtocolInfo[2] & 0xf0) >> 4))/13560.0);
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printf ("* Frame Waiting Time: %.4g ms\n",256.0*16.0*(1<<((nbi.abtProtocolInfo[2] & 0xf0) >> 4))/13560.0);
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if((nbi.abtProtocolInfo[2] & (PI_NAD_SUPPORTED|PI_CID_SUPPORTED)) != 0) {
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printf ("Frame options supported: ");
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printf ("* Frame options supported: ");
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if ((nbi.abtProtocolInfo[2] & PI_NAD_SUPPORTED) != 0) printf ("NAD ");
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if ((nbi.abtProtocolInfo[2] & PI_CID_SUPPORTED) != 0) printf ("CID ");
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printf("\n");
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