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<?php
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<?php
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/*
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/*
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 * ISO/IEC 7816-5 Application Identifier decoder for PHP
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 * ISO/IEC 7816-5 Application Identifier decoder for PHP
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 * Copyright 2022 Daniel Marschall, ViaThinkSoft
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 * Copyright 2022 Daniel Marschall, ViaThinkSoft
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 * Version 2022-07-31
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 * Version 2022-08-17
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 *
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 * You may obtain a copy of the License at
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 *
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 *
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        if (strlen($aid) > 1) {
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        if (strlen($aid) > 1) {
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                $out[] = array(" ".substr($aid,1), "Unknown composition");
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                $out[] = array(" ".substr($aid,1), "Unknown composition");
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        }
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        }
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        return $out;
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        return $out;
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}
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}
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/* --- Small extra function: not part of the decoder --- */
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function aid_split_rid_pix($a, &$rid=null, &$pix=null) {
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        // "Quick'n'Dirty" function which does not do any consistency checks!
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        // It expects that the string is a valid AID!
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        $cat = substr($a,0,1);
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        if (is_numeric($cat)) {
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                $p = strpos($a,'F');
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                if ($p%2 != 0) $p++;
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        } else if (($cat == 'A') || ($cat == 'D')) {
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                $p = 10;
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        } else if ($cat == 'F') {
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                $p = 1;
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        } else {
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                $p = 0;
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        }
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        if ($rid !== null) $rid = substr($a, 0, $p);
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        if ($pix !== null) $pix = substr($a, $p);
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        return $p;
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}