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| 1 | <?php |
1 | <?php |
| 2 | 2 | ||
| 3 | /* |
3 | /* |
| 4 | * ISO/IEC 7816 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 2022-09-19 |
6 | * Version 2022-09-20 |
| 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 581... | Line 581... | ||
| 581 | $out[] = array('', c_literal_hexstr($aid)); |
581 | $out[] = array('', c_literal_hexstr($aid)); |
| 582 | 582 | ||
| 583 | if ((strlen($aid) == 32) && (substr($aid,-2) == 'FF')) { |
583 | if ((strlen($aid) == 32) && (substr($aid,-2) == 'FF')) { |
| 584 | // Sometimes you read that a 16-byte AID must not end with FF, because it is reserved by ISO. |
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: |
585 | // I have only found one official source: |
| 586 | // ISO/IEC 7816-5 : 1994 (E) |
586 | // ISO/IEC 7816-5 : 1994 |
| 587 | // Identification cards - Integrated circuit(s) cards with contacts - |
587 | // Identification cards - Integrated circuit(s) cards with contacts - |
| 588 | // Part 5 : Numbering system and registration procedure for application identifiers |
588 | // Part 5 : Numbering system and registration procedure for application identifiers |
| 589 | // https://cdn.standards.iteh.ai/samples/19980/8ff6c7ccc9254fe4b7a8a21c0bf59424/ISO-IEC-7816-5-1994.pdf |
589 | // https://cdn.standards.iteh.ai/samples/19980/8ff6c7ccc9254fe4b7a8a21c0bf59424/ISO-IEC-7816-5-1994.pdf |
| 590 | // Quote from clause 5.2: |
590 | // Quote from clause 5.2: |
| 591 | // "The PIX has a free coding. If the AID is 16 bytes long, |
591 | // "The PIX has a free coding. If the AID is 16 bytes long, |
| 592 | // 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) |
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. |
594 | // have been moved to ISO 7816-4. |
| 595 | // The "FF" reservation cannot be found in modern versions of 7816-4 or 7816-5. |
595 | // The "FF" reservation cannot be found in modern versions of 7816-4 or 7816-5. |
| 596 | $out[] = array('',"INVALID: A 16-byte AID must not end with FF. (Reserved by ISO/IEC)"); |
596 | /*$out[] = array('',"INVALID: A 16-byte AID must not end with FF. (Reserved by ISO/IEC)");*/ |
| - | 597 | $out[] = array('',"Note: A 16-byte AID ending with FF was reserved by ISO/IEC 7816-5:1994"); |
|
| 597 | } |
598 | } |
| 598 | 599 | ||
| 599 | if (strlen($aid) > 32) { |
600 | if (strlen($aid) > 32) { |
| 600 | $out[] = array('',"INVALID: An AID must not be longer than 16 bytes"); |
601 | $out[] = array('',"INVALID: An AID must not be longer than 16 bytes"); |
| 601 | } |
602 | } |
| Line 640... | Line 641... | ||
| 640 | $out[] = array($iin, "ISO/IEC 7812 Issuer Identification Number (IIN)"); |
641 | $out[] = array($iin, "ISO/IEC 7812 Issuer Identification Number (IIN)"); |
| 641 | if ((strlen($iin) != 6) && (strlen($iin) != 8)) { |
642 | if ((strlen($iin) != 6) && (strlen($iin) != 8)) { |
| 642 | $out[] = array('',"Warning: IIN has an unusual length. 6 or 8 digits are expected!"); |
643 | $out[] = array('',"Warning: IIN has an unusual length. 6 or 8 digits are expected!"); |
| 643 | } |
644 | } |
| 644 | 645 | ||
| 645 | $out[] = array($category, "IIN Category $category = $check_cat_name"); |
646 | $out[] = array($category, "Major industry identifier $category = $check_cat_name"); |
| 646 | $pad .= str_repeat(' ', strlen("$category")); |
647 | $pad .= str_repeat(' ', strlen("$category")); |
| 647 | 648 | ||
| 648 | if ("$category" === "9") { |
649 | if ("$category" === "9") { |
| 649 | $country = substr($iin,1,3); |
650 | $country = substr($iin,1,3); |
| 650 | if ($country == '') { |
651 | if ($country == '') { |