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| 1 | <?php |
1 | <?php |
| 2 | 2 | ||
| 3 | /* |
3 | /* |
| 4 | * ISO/IEC 7816-5 Application Identifier decoder for PHP |
4 | * ISO/IEC 7816 Application Identifier decoder for PHP |
| 5 | * Copyright 2022 Daniel Marschall, ViaThinkSoft |
5 | * Copyright 2022 Daniel Marschall, ViaThinkSoft |
| 6 | * Version 2022-09-18 |
6 | * Version 2022-09-19 |
| 7 | * |
7 | * |
| 8 | * Licensed under the Apache License, Version 2.0 (the "License"); |
8 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 9 | * you may not use this file except in compliance with the License. |
9 | * you may not use this file except in compliance with the License. |
| 10 | * You may obtain a copy of the License at |
10 | * You may obtain a copy of the License at |
| 11 | * |
11 | * |
| Line 554... | Line 554... | ||
| 554 | $iso3166['732'] = "Western Sahara"; |
554 | $iso3166['732'] = "Western Sahara"; |
| 555 | $iso3166['887'] = "Yemen"; |
555 | $iso3166['887'] = "Yemen"; |
| 556 | $iso3166['894'] = "Zambia"; |
556 | $iso3166['894'] = "Zambia"; |
| 557 | $iso3166['716'] = "Zimbabwe"; |
557 | $iso3166['716'] = "Zimbabwe"; |
| 558 | 558 | ||
| 559 | // ISO/IEC 7816-5 AID decoder |
- | |
| 560 | - | ||
| 561 | $out = array(); |
559 | $out = array(); |
| 562 | 560 | ||
| 563 | // A very good source about the coding |
- | |
| 564 | // https://blog.actorsfit.com/a?ID=00250-166ef507-edff-4400-8d0e-9e85d6ae2310 |
- | |
| 565 | - | ||
| 566 | $aid = strtoupper($aid); |
561 | $aid = strtoupper($aid); |
| 567 | $aid = trim($aid); |
562 | $aid = trim($aid); |
| 568 | $aid = str_replace(' ','',$aid); |
563 | $aid = str_replace(' ','',$aid); |
| 569 | $aid = str_replace(':','',$aid); |
564 | $aid = str_replace(':','',$aid); |
| 570 | 565 | ||
| Line 579... | Line 574... | ||
| 579 | } |
574 | } |
| 580 | 575 | ||
| 581 | $aid_hf = implode(':',str_split($aid,2)); |
576 | $aid_hf = implode(':',str_split($aid,2)); |
| 582 | if (strlen($aid)%2 == 1) $aid_hf .= '_'; |
577 | if (strlen($aid)%2 == 1) $aid_hf .= '_'; |
| 583 | 578 | ||
| 584 | $out[] = array("$aid", "ISO/IEC 7816-5 Application Identifier (AID)"); |
579 | $out[] = array("$aid", "ISO/IEC 7816 Application Identifier (AID)"); |
| 585 | $out[] = array('', "> $aid_hf <"); |
580 | $out[] = array('', "> $aid_hf <"); |
| 586 | $out[] = array('', c_literal_hexstr($aid)); |
581 | $out[] = array('', c_literal_hexstr($aid)); |
| 587 | 582 | ||
| 588 | if ((strlen($aid) == 32) && (substr($aid,-2) == 'FF')) { |
583 | if ((strlen($aid) == 32) && (substr($aid,-2) == 'FF')) { |
| 589 | // https://www.kartenbezogene-identifier.de/content/dam/kartenbezogene_identifier/de/PDFs/RID_Antrag_2006.pdf |
584 | // Sometimes you read that a 16-byte AID must not end with FF, because it is reserved by ISO. |
| - | 585 | // I have only found one official source: |
|
| - | 586 | // ISO/IEC 7816-5 : 1994 (E) |
|
| - | 587 | // Identification cards - Integrated circuit(s) cards with contacts - |
|
| 590 | // writes: "Wenn die PIX aus 11 Bytes besteht, muss das letzte Byte einen Hexadezimal-Wert ungleich ´FF´ aufweisen (´FF´ ist von ISO reserviert)." |
588 | // Part 5 : Numbering system and registration procedure for application identifiers |
| 591 | // https://www.etsi.org/deliver/etsi_ts/101200_101299/101220/07.03.00_60/ts_101220v070300p.pdf |
589 | // https://cdn.standards.iteh.ai/samples/19980/8ff6c7ccc9254fe4b7a8a21c0bf59424/ISO-IEC-7816-5-1994.pdf |
| - | 590 | // Quote from clause 5.2: |
|
| - | 591 | // "The PIX has a free coding. If the AID is 16 bytes long, |
|
| 592 | // writes: According to ISO/IEC 7816-4, if the AID is 16 bytes long, then the value 'FF' for the least significant byte [...] is reserved for future use. |
592 | // then the value 'FF' for the least significant byte is reserved for future use." |
| - | 593 | // In the revisions of ISO/IEC 7816, parts of ISO 7816-5 (e.g. the AID categories) |
|
| - | 594 | // have been moved to ISO 7816-4. |
|
| - | 595 | // The "FF" reservation cannot be found in modern versions of 7816-4 or 7816-5. |
|
| 593 | $out[] = array('',"INVALID: A 16-byte AID must not end with FF. (Reserved by ISO/IEC 7816-4)"); |
596 | $out[] = array('',"INVALID: A 16-byte AID must not end with FF. (Reserved by ISO/IEC)"); |
| 594 | } |
597 | } |
| 595 | 598 | ||
| 596 | if (strlen($aid) > 32) { |
599 | if (strlen($aid) > 32) { |
| 597 | $out[] = array('',"INVALID: An AID must not be longer than 16 bytes"); |
600 | $out[] = array('',"INVALID: An AID must not be longer than 16 bytes"); |
| 598 | } |
601 | } |