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<?php
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<?php
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/*
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/*
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 * OidDerConverter.class.php, Version 1.1; Based on version 1.11 of oid.c
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 * OidDerConverter.class.php, Version 1.1; Based on version 1.11 of oid.c
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 * Copyright 2014-2015 Daniel Marschall, ViaThinkSoft
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 * Copyright 2014-2022 Daniel Marschall, ViaThinkSoft
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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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                return $out;
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                return $out;
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        }
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        }
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        /**
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        /**
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         * @return string Outputs .<oid> for an absolute OID and <oid> for a relative OID.
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         * @return string|false Outputs .<oid> for an absolute OID and <oid> for a relative OID.
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         */
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         */
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        public static function derToOID($abBinary, $verbose=false) {
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        public static function derToOID($abBinary, $verbose=false) {
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                $output_oid = array();
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                $output_oid = array();
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                $output_absolute = true;
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                $output_absolute = true;
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                $lengthbyte_pos = 0;
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                $lengthbyte_pos = 0;
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                $lengthfinished = false;
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                $lengthfinished = false;
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                $arcBeginning = true;
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                $arcBeginning = true;
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                $isRelative = null; // to avoid that phpstan complains
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                foreach ($abBinary as $nn => &$pb) {
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                foreach ($abBinary as $nn => &$pb) {
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                        if ($part == 0) { // Class Tag
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                        if ($part == 0) { // Class Tag
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                                // Leading octet
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                                // Leading octet
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                                // Bit 7 / Bit 6 = Universal (00), Application (01), Context (10), Private(11)
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                                // Bit 7 / Bit 6 = Universal (00), Application (01), Context (10), Private(11)
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                                // Bit 5 = Primitive (0), Constructed (1)
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                                // Bit 5 = Primitive (0), Constructed (1)
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                        $output[] = 0x80 + $lengthCount;
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                        $output[] = 0x80 + $lengthCount;
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                        $nBinaryWork = $nBinary;
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                        $nBinaryWork = $nBinary;
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                        do {
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                        do {
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                                $output[] = nBinaryWork & 0xFF;
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                                $output[] = $nBinaryWork & 0xFF;
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                                $nBinaryWork /= 0x100;
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                                $nBinaryWork /= 0x100;
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                        } while ($nBinaryWork > 0);
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                        } while ($nBinaryWork > 0);
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                }
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                }
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                foreach ($abBinary as $b) {
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                foreach ($abBinary as $b) {