| 1 | <?php |
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| 2 | /* |
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| 3 | * --:: JPEG MetaDatas ::------------------------------------------------------- |
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| 4 | * |
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| 5 | * Author : Grum |
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| 6 | * email : grum at piwigo.org |
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| 7 | * website : http://photos.grum.fr |
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| 8 | * |
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| 9 | * << May the Little SpaceFrog be with you ! >> |
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| 10 | * |
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| 11 | * |
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| 12 | * +-----------------------------------------------------------------------+ |
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| 13 | * | JpegMetaData - a PHP based Jpeg Metadata manager | |
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| 14 | * +-----------------------------------------------------------------------+ |
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| 15 | * | Copyright(C) 2010 Grum - http://www.grum.fr | |
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| 16 | * +-----------------------------------------------------------------------+ |
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| 17 | * | This program is free software; you can redistribute it and/or modify | |
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| 18 | * | it under the terms of the GNU General Public License as published by | |
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| 19 | * | the Free Software Foundation | |
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| 20 | * | | |
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| 21 | * | This program is distributed in the hope that it will be useful, but | |
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| 22 | * | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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| 23 | * | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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| 24 | * | General Public License for more details. | |
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| 25 | * | | |
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| 26 | * | You should have received a copy of the GNU General Public License | |
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| 27 | * | along with this program; if not, write to the Free Software | |
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| 28 | * | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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| 29 | * | USA. | |
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| 30 | * +-----------------------------------------------------------------------+ |
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| 31 | * |
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| 32 | * |
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| 33 | * ----------------------------------------------------------------------------- |
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| 34 | * |
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| 35 | * The NikonReader class is the dedicated to read the specific Nikon tags |
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| 36 | * |
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| 37 | * ====> See MakerNotesReader.class.php to know more about the structure <====== |
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| 38 | * |
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| 39 | * ----------------------------------------------------------------------------- |
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| 40 | * |
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| 41 | * .. Notes .. |
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| 42 | * |
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| 43 | * |
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| 44 | * **** All known tags are not implemented !! **** |
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| 45 | * |
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| 46 | * |
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| 47 | * The NikonReader class is derived from the MakerNotesReader class. |
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| 48 | * |
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| 49 | * =====> See MakerNotesReader.class.php to know more about common methods <==== |
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| 50 | * |
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| 51 | * ----------------------------------------------------------------------------- |
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| 52 | */ |
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| 53 | |
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| 54 | |
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| 55 | |
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| 56 | require_once(JPEG_METADATA_DIR."TagDefinitions/NikonTags.class.php"); |
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| 57 | require_once(JPEG_METADATA_DIR."Readers/MakerNotesReader.class.php"); |
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| 58 | |
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| 59 | class NikonReader extends MakerNotesReader |
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| 60 | { |
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| 61 | protected $schema = Schemas::EXIF; |
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| 62 | |
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| 63 | /* these 2 specific metadata are used to decrypt some information, like the |
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| 64 | * data lens |
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| 65 | */ |
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| 66 | protected $serialNumber=""; |
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| 67 | protected $shutterCount=-1; |
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| 68 | |
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| 69 | protected $toDecode=Array(); |
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| 70 | |
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| 71 | /** |
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| 72 | * The constructor needs, like the ancestor, the datas to be parsed |
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| 73 | * |
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| 74 | * Some datas are offset on extra data, and this offset can be (some time) |
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| 75 | * absolute inside the IFD, or relative. So, the offset of the IFD structure |
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| 76 | * is needed |
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| 77 | * |
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| 78 | * The byte order can be different from the TIFF byte order ! |
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| 79 | * |
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| 80 | * The constructor need the maker signature (see the MakerNotesSignatures |
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| 81 | * class for a list of known signatures) |
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| 82 | * |
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| 83 | * @param String $data |
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| 84 | * @param ULong $offset : offset of IFD block in the jpeg file |
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| 85 | * @param String $byteOrder |
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| 86 | * @param String $makerSignature : |
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| 87 | */ |
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| 88 | function __construct($data, $offset, $byteOrder, $makerSignature) |
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| 89 | { |
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| 90 | $this->maker = MAKER_NIKON; |
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| 91 | switch($makerSignature) |
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| 92 | { |
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| 93 | case MakerNotesSignatures::Nikon2Header: |
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| 94 | $this->header = MakerNotesSignatures::Nikon2Header; |
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| 95 | $this->headerSize = MakerNotesSignatures::Nikon2HeaderSize; |
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| 96 | break; |
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| 97 | case MakerNotesSignatures::Nikon3Header: |
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| 98 | $this->header = MakerNotesSignatures::Nikon3Header; |
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| 99 | $this->headerSize = MakerNotesSignatures::Nikon3HeaderSize; |
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| 100 | break; |
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| 101 | } |
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| 102 | |
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| 103 | // offset inside Nikon maker note are relative |
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| 104 | $offset=-10; |
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| 105 | |
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| 106 | parent::__construct($data, $offset, $byteOrder); |
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| 107 | |
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| 108 | $this->processEncryptedTags(); |
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| 109 | } |
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| 110 | |
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| 111 | function __destruct() |
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| 112 | { |
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| 113 | parent::__destruct(); |
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| 114 | } |
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| 115 | |
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| 116 | /** |
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| 117 | * initialize the definition for Pentax exif tags |
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| 118 | */ |
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| 119 | protected function initializeTagDef() |
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| 120 | { |
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| 121 | $this->tagDef = new NikonTags(); |
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| 122 | } |
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| 123 | |
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| 124 | /** |
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| 125 | * skip the IFD header |
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| 126 | */ |
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| 127 | protected function skipHeader($headerSize=0) |
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| 128 | { |
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| 129 | parent::skipHeader($headerSize); |
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| 130 | if($this->header == MakerNotesSignatures::Nikon3Header) |
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| 131 | { |
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| 132 | /* |
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| 133 | * the nikon3header is made of 7 char, and then 3 next char ????? |
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| 134 | */ |
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| 135 | $header=$this->data->readASCII(3); |
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| 136 | |
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| 137 | |
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| 138 | $header=$this->data->readASCII(2); |
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| 139 | /* |
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| 140 | * The Nikon3Header is formatted as a TIFF header, but the class is not |
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| 141 | * derived from TiffReader, because we can think there is no more than |
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| 142 | * one IFD in the maker notes. |
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| 143 | * By this way, it's easier to skip the header and start reading the |
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| 144 | * entries. |
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| 145 | * |
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| 146 | * begins wih "II" or "MM" (indicate the byte order) |
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| 147 | * next value is an USHORT, must equals 0x2a |
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| 148 | * |
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| 149 | * all data have to be read with the byte order defined in header |
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| 150 | */ |
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| 151 | if($header=="II" or $header="MM") |
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| 152 | { |
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| 153 | $this->byteOrder=$header; |
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| 154 | $this->data->setByteOrder($this->byteOrder); |
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| 155 | |
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| 156 | $header=$this->data->readUShort(); |
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| 157 | if($header==0x002a) |
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| 158 | { |
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| 159 | $this->isValid=true; |
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| 160 | $header=$this->data->readULong(); |
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| 161 | } |
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| 162 | } |
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| 163 | } |
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| 164 | } |
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| 165 | |
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| 166 | /** |
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| 167 | * encrypted values are processed in one shot when all the tags are processed |
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| 168 | * with this method, we are sure the "SerialNumber" (0x001d) and the |
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| 169 | * "ShutterCount" (0x00a7) tags are initialized |
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| 170 | */ |
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| 171 | protected function processEncryptedTags() |
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| 172 | { |
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| 173 | foreach($this->toDecode as $key=>$val) |
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| 174 | { |
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| 175 | $tagIndex=$this->getTagIndexById($key); |
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| 176 | if($tagIndex>-1) |
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| 177 | { |
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| 178 | $this->entries[$tagIndex]->getTag()->setLabel($this->processSpecialTag($key, $val[0], $val[1])); |
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| 179 | //echo sprintf("%04x * %s => %s<br>",$key,ConvertData::toHexDump($val[0], ByteType::ASCII),$this->processSpecialTag($key, $val[0], $val[1])); |
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| 180 | } |
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| 181 | } |
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| 182 | } |
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| 183 | |
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| 184 | /** |
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| 185 | * this function do the interpretation of specials tags |
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| 186 | * |
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| 187 | * the function return the interpreted value for the tag |
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| 188 | * |
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| 189 | * @param $tagId : the id of the tag |
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| 190 | * @param $values : 'raw' value to be interpreted |
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| 191 | * @param UByte $type : if needed (for IFD structure) the type of data |
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| 192 | * @param ULong $valueOffset : if needed, the offset of data in the jpeg file |
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| 193 | * @return String or Array or DateTime or Integer or Float... |
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| 194 | */ |
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| 195 | protected function processSpecialTag($tagId, $values, $type, $valuesOffset=0) |
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| 196 | { |
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| 197 | switch($tagId) |
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| 198 | { |
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| 199 | case 0x0001: // "MakerNoteVersion" |
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| 200 | // 0x30323030 => String "0200" => 2.00 |
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| 201 | $major=substr($values,0,2); |
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| 202 | if(substr($values,0,1)=="0") |
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| 203 | { |
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| 204 | $major=substr($values,1,1); |
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| 205 | } |
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| 206 | else |
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| 207 | { |
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| 208 | $major=substr($values,0,2); |
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| 209 | } |
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| 210 | $minor=substr($values,2); |
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| 211 | $returned=sprintf("%s.%s", $major, $minor); |
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| 212 | break; |
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| 213 | case 0x001d: // "SerialNumber" |
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| 214 | $returned=ConvertData::toStrings($values); |
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| 215 | $this->serialNumber=$returned; |
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| 216 | break; |
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| 217 | case 0x0003: // "ColorMode" |
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| 218 | case 0x0004: // "Quality" |
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| 219 | case 0x0005: // "WhiteBalance" |
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| 220 | case 0x0006: // "Sharpness" |
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| 221 | case 0x0007: // "FocusMode" |
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| 222 | case 0x0008: // "FlashSetting" |
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| 223 | case 0x0009: // "FlashType" |
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| 224 | case 0x000f: // "ISOSelection" |
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| 225 | case 0x0080: // "ImageAdjustment" |
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| 226 | case 0x0081: // "ToneComp" |
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| 227 | case 0x0082: // "AuxiliaryLens" |
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| 228 | case 0x008D: // "ColorHue" |
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| 229 | case 0x008f: // "SceneMode" |
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| 230 | case 0x0090: // "LightSource" |
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| 231 | case 0x0095: // "NoiseReduction" |
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| 232 | case 0x009c: // "SceneAssist" |
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| 233 | case 0x00a0: // "SerialNumber" |
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| 234 | case 0x00a9: // "ImageOptimization" |
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| 235 | case 0x00aa: // "Saturation" |
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| 236 | case 0x00ab: // "VariProgram" |
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| 237 | case 0x0e09: // "NikonCaptureVersion" |
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| 238 | /* |
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| 239 | * null terminated strings |
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| 240 | */ |
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| 241 | $returned=ConvertData::toStrings($values); |
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| 242 | break; |
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| 243 | case 0x092: // "HueAdjustment" |
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| 244 | case 0x00a2: // "ImageDataSize" |
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| 245 | $returned=$values; |
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| 246 | break; |
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| 247 | case 0x0a7: // "ShutterCount" |
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| 248 | $this->shutterCount=$values; |
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| 249 | $returned=$values; |
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| 250 | break; |
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| 251 | case 0x001f: // "VRInfo" |
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| 252 | $returned=(ord($values{4})==1)?"On":"Off"; |
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| 253 | break; |
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| 254 | case 0x0083: // "LensType" |
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| 255 | $tag=$this->tagDef->getTagById(0x0083); |
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| 256 | |
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| 257 | $returned=Array(); |
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| 258 | if(($values & 0x0001) == 0x0001) |
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| 259 | $returned[]=$tag['tagValues.specialValues'][0x0001]; |
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| 260 | |
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| 261 | if(($values & 0x0002) == 0x0002) |
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| 262 | $returned[]=$tag['tagValues.specialValues'][0x0002]; |
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| 263 | |
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| 264 | if(($values & 0x0004) == 0x0004) |
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| 265 | $returned[]=$tag['tagValues.specialValues'][0x0004]; |
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| 266 | |
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| 267 | if(($values & 0x0008) == 0x0008) |
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| 268 | $returned[]=$tag['tagValues.specialValues'][0x0008]; |
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| 269 | unset($tag); |
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| 270 | break; |
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| 271 | case 0x0084: // "Lens" |
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| 272 | /* array of 4 rationnal |
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| 273 | * - short focal |
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| 274 | * - long focal |
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| 275 | * - aperture at short focal |
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| 276 | * - aperture at long focal |
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| 277 | * |
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| 278 | * ==> 18-70mm f/3.5-4.5 |
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| 279 | */ |
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| 280 | $result=array(); |
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| 281 | foreach($values as $val) |
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| 282 | { |
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| 283 | if($val[1]==0) $val[1]==1; |
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| 284 | $result[]=$val[0]/$val[1]; |
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| 285 | } |
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| 286 | |
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| 287 | if($result[0]!=$result[1]) |
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| 288 | { |
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| 289 | $returned=sprintf("%.0f-%.0fmm ", $result[0], $result[1]); |
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| 290 | } |
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| 291 | else |
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| 292 | { |
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| 293 | $returned=sprintf("%.0fmm ", $result[0]); |
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| 294 | } |
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| 295 | |
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| 296 | if($result[2]!=$result[3]) |
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| 297 | { |
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| 298 | $returned.=sprintf("f/%.1f-%.1f", $result[2], $result[3]); |
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| 299 | } |
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| 300 | else |
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| 301 | { |
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| 302 | $returned.=sprintf("f/%.1f", $result[2]); |
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| 303 | } |
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| 304 | break; |
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| 305 | case 0x0086: // "DigitalZoom" |
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| 306 | if($values[1]==0) $values[1]=1; |
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| 307 | $returned=sprintf("x%.1f", $values[0]/$values[1]); |
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| 308 | break; |
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| 309 | case 0x0088: // "AFInfo" |
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| 310 | /* - shortInt : AFAreaMode |
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| 311 | * - shortInt : AFPoint |
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| 312 | * - longInt : AFPointsInFocus |
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| 313 | */ |
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| 314 | $tag=$this->tagDef->getTagById(0x0088); |
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| 315 | |
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| 316 | $values.="\0\0\0\0"; |
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| 317 | |
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| 318 | $returned=Array(); |
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| 319 | |
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| 320 | $tmp=ord($values{0}); |
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| 321 | $returned['AFAreaMode'] = $tag['tagValues.specialValues'][0][$tmp]; |
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| 322 | |
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| 323 | $tmp=ord($values{1}); |
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| 324 | $returned['AFPoint'] = $tag['tagValues.specialValues'][1][$tmp]; |
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| 325 | |
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| 326 | if($values=="\x00\x07\xff\xff") |
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| 327 | { |
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| 328 | $returned['AFPointsInFocus'] = $tag['tagValues.specialValues'][2][$values]; |
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| 329 | } |
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| 330 | else |
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| 331 | { |
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| 332 | $tmp=ord($values{2}) * 256 + ord($values{3}); |
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| 333 | $returned['AFPointsInFocus']=Array(); |
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| 334 | foreach($tag['tagValues.specialValues'][2] as $key => $val) |
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| 335 | { |
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| 336 | if(($tmp & $key) == $key) |
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| 337 | $returned['AFPointsInFocus'][]=$val; |
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| 338 | } |
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| 339 | } |
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| 340 | unset($tag); |
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| 341 | break; |
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| 342 | case 0x0089: // "ShootingMode" |
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| 343 | $returned=Array(); |
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| 344 | $tag=$this->tagDef->getTagById(0x0089); |
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| 345 | |
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| 346 | if(!($values & 0x87)) |
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| 347 | { |
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| 348 | $returned[]=$tag['tagValues.specialValues'][0x00]; |
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| 349 | } |
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| 350 | |
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| 351 | if(preg_match("/.*d70.*/i",GlobalTags::getExifMaker())) |
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| 352 | { |
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| 353 | $bit5=1; |
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| 354 | } |
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| 355 | else |
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| 356 | { |
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| 357 | $bit5=0; |
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| 358 | } |
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| 359 | |
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| 360 | if($values) |
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| 361 | { |
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| 362 | foreach($tag['tagValues.specialValues'] as $key => $val) |
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| 363 | { |
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| 364 | if((($values & $key) == $key) && ($key!=0x00)) |
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| 365 | { |
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| 366 | if($key==0x20) |
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| 367 | { |
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| 368 | $returned[]=$val[$bit5]; |
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| 369 | } |
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| 370 | else |
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| 371 | { |
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| 372 | $returned[]=$val; |
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| 373 | } |
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| 374 | } |
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| 375 | } |
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| 376 | } |
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| 377 | unset($tag); |
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| 378 | break; |
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| 379 | case 0x0098: // "LensData" |
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| 380 | if(($this->shutterCount==-1 or $this->serialNumber=="") and |
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| 381 | ( substr($values,0,2)=="02" )) |
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| 382 | { |
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| 383 | $this->toDecode[0x0098]=Array($values, $type); |
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| 384 | } |
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| 385 | $returned=$this->readLensData($values); |
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| 386 | break; |
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| 387 | case 0x0099: // "RawImageCenter" |
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| 388 | $returned=Array( |
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| 389 | 'x' => $values[0], |
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| 390 | 'y' => $values[1], |
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| 391 | ); |
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| 392 | break; |
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| 393 | case 0x009a: // "SensorPixelSize" |
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| 394 | if($values[0][1]==0) $values[0][1]=1; |
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| 395 | if($values[1][1]==0) $values[1][1]=1; |
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| 396 | |
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| 397 | $returned=sprintf("%.1f x %.1f µm", ($values[0][0]/$values[0][1]), ($values[1][0]/$values[1][1])); |
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| 398 | break; |
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| 399 | default: |
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| 400 | $returned="Not yet implemented;".ConvertData::toHexDump($tagId, ByteType::USHORT)." => ".ConvertData::toHexDump($values, $type); |
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| 401 | break; |
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| 402 | } |
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| 403 | return($returned); |
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| 404 | } |
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| 405 | |
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| 406 | /** |
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| 407 | * this function is used to decrypt datas from the Nikon "LensData" tag |
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| 408 | * |
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| 409 | * @param String $data : data from the exif.Nikon.LensData metadata |
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| 410 | * @return Array : list of properties + lens name (computed) |
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| 411 | */ |
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| 412 | private function readLensData($data) |
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| 413 | { |
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| 414 | $returned=""; |
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| 415 | $nfo=Array(); |
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| 416 | $dataReader=new Data($data, $this->byteOrder); |
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| 417 | |
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| 418 | $nfo['LensDataVersion']=$dataReader->readASCII(4); |
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| 419 | |
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| 420 | if(substr($nfo['LensDataVersion'],0,2)=="02") |
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| 421 | { |
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| 422 | // in this case, data are encrypted |
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| 423 | $decrypted=$nfo['LensDataVersion'].$this->decryptData($this->serialNumberInteger(), $this->shutterCount,$dataReader->readASCII(-1,4)); |
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| 424 | $dataReader->setData($decrypted); |
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| 425 | } |
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| 426 | |
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| 427 | switch($nfo['LensDataVersion']) |
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| 428 | { |
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| 429 | case '0100' : |
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| 430 | $nfo['LensIDNumber']=$dataReader->readUByte(6); |
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| 431 | $nfo['LensFStops']=$dataReader->readUByte(7); |
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| 432 | $nfo['MinFocalLength']=$dataReader->readUByte(8); |
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| 433 | $nfo['MaxFocalLength']=$dataReader->readUByte(9); |
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| 434 | $nfo['MaxApertureAtMinFocal']=$dataReader->readUByte(10); |
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| 435 | $nfo['MaxApertureAtMaxFocal']=$dataReader->readUByte(11); |
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| 436 | $nfo['MCUVersion']=$dataReader->readUByte(12); |
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| 437 | break; |
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| 438 | case '0101' : |
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| 439 | case '0201' : |
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| 440 | case '0202' : |
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| 441 | case '0203' : |
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| 442 | $nfo['LensIDNumber']=$dataReader->readUByte(11); |
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| 443 | $nfo['LensFStops']=$dataReader->readUByte(12); |
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| 444 | $nfo['MinFocalLength']=$dataReader->readUByte(13); |
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| 445 | $nfo['MaxFocalLength']=$dataReader->readUByte(14); |
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| 446 | $nfo['MaxApertureAtMinFocal']=$dataReader->readUByte(15); |
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| 447 | $nfo['MaxApertureAtMaxFocal']=$dataReader->readUByte(16); |
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| 448 | $nfo['MCUVersion']=$dataReader->readUByte(17); |
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| 449 | break; |
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| 450 | case '0204' : |
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| 451 | $nfo['LensIDNumber']=$dataReader->readUByte(12); |
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| 452 | $nfo['LensFStops']=$dataReader->readUByte(13); |
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| 453 | $nfo['MinFocalLength']=$dataReader->readUByte(14); |
|---|
| 454 | $nfo['MaxFocalLength']=$dataReader->readUByte(15); |
|---|
| 455 | $nfo['MaxApertureAtMinFocal']=$dataReader->readUByte(16); |
|---|
| 456 | $nfo['MaxApertureAtMaxFocal']=$dataReader->readUByte(17); |
|---|
| 457 | $nfo['MCUVersion']=$dataReader->readUByte(18); |
|---|
| 458 | break; |
|---|
| 459 | } |
|---|
| 460 | |
|---|
| 461 | $keyLens = sprintf("%02X %02X %02X %02X %02X %02X %02X %02X", |
|---|
| 462 | $nfo['LensIDNumber'], |
|---|
| 463 | $nfo['LensFStops'], |
|---|
| 464 | $nfo['MinFocalLength'], |
|---|
| 465 | $nfo['MaxFocalLength'], |
|---|
| 466 | $nfo['MaxApertureAtMinFocal'], |
|---|
| 467 | $nfo['MaxApertureAtMaxFocal'], |
|---|
| 468 | $nfo['MCUVersion'], |
|---|
| 469 | $this->getTagById(0x0083)->getValue() |
|---|
| 470 | ); |
|---|
| 471 | |
|---|
| 472 | $tag=$this->tagDef->getTagById(0x0098); |
|---|
| 473 | if(array_key_exists($keyLens, $tag['tagValues.lenses'])) |
|---|
| 474 | { |
|---|
| 475 | $returned = $tag['tagValues.lenses'][$keyLens]; |
|---|
| 476 | } |
|---|
| 477 | else |
|---|
| 478 | { |
|---|
| 479 | $returned = $tag['tagValues.lenses']['unknown']." (".$keyLens." / ".$nfo['LensDataVersion'].")"; |
|---|
| 480 | } |
|---|
| 481 | |
|---|
| 482 | if(is_array($returned)) |
|---|
| 483 | $returned=$returned[0]; |
|---|
| 484 | |
|---|
| 485 | unset($data); |
|---|
| 486 | unset($nfo); |
|---|
| 487 | return($returned); |
|---|
| 488 | } |
|---|
| 489 | |
|---|
| 490 | /** |
|---|
| 491 | * Nikon encrypt some data |
|---|
| 492 | * This function is used to decrypt them. Don't ask anything about "how does |
|---|
| 493 | * it work" and "what's it doing", I just translated the C++ & Perl code |
|---|
| 494 | * from Exiv2, Exiftool & Raw Photo Parser (Copyright 2004-2006 Dave Coffin) |
|---|
| 495 | * |
|---|
| 496 | * @param Integer $serialNumber : the camera serial number, in Integer |
|---|
| 497 | * format (from the 0x001d tag, not the 0x00a0) |
|---|
| 498 | * @param Integer $shutterCount : shutterCount value in the file |
|---|
| 499 | * @param String $data : data to decrypt |
|---|
| 500 | * @param Integer $decryptedLength : number of byte to decrypt |
|---|
| 501 | * @return String : the decrypted data |
|---|
| 502 | */ |
|---|
| 503 | private function decryptData($serialNumber, $shutterCount, $data, $decryptedLength=0) |
|---|
| 504 | { |
|---|
| 505 | $xlat = Array( |
|---|
| 506 | Array(0xc1,0xbf,0x6d,0x0d,0x59,0xc5,0x13,0x9d,0x83,0x61,0x6b,0x4f,0xc7,0x7f,0x3d,0x3d, |
|---|
| 507 | 0x53,0x59,0xe3,0xc7,0xe9,0x2f,0x95,0xa7,0x95,0x1f,0xdf,0x7f,0x2b,0x29,0xc7,0x0d, |
|---|
| 508 | 0xdf,0x07,0xef,0x71,0x89,0x3d,0x13,0x3d,0x3b,0x13,0xfb,0x0d,0x89,0xc1,0x65,0x1f, |
|---|
| 509 | 0xb3,0x0d,0x6b,0x29,0xe3,0xfb,0xef,0xa3,0x6b,0x47,0x7f,0x95,0x35,0xa7,0x47,0x4f, |
|---|
| 510 | 0xc7,0xf1,0x59,0x95,0x35,0x11,0x29,0x61,0xf1,0x3d,0xb3,0x2b,0x0d,0x43,0x89,0xc1, |
|---|
| 511 | 0x9d,0x9d,0x89,0x65,0xf1,0xe9,0xdf,0xbf,0x3d,0x7f,0x53,0x97,0xe5,0xe9,0x95,0x17, |
|---|
| 512 | 0x1d,0x3d,0x8b,0xfb,0xc7,0xe3,0x67,0xa7,0x07,0xf1,0x71,0xa7,0x53,0xb5,0x29,0x89, |
|---|
| 513 | 0xe5,0x2b,0xa7,0x17,0x29,0xe9,0x4f,0xc5,0x65,0x6d,0x6b,0xef,0x0d,0x89,0x49,0x2f, |
|---|
| 514 | 0xb3,0x43,0x53,0x65,0x1d,0x49,0xa3,0x13,0x89,0x59,0xef,0x6b,0xef,0x65,0x1d,0x0b, |
|---|
| 515 | 0x59,0x13,0xe3,0x4f,0x9d,0xb3,0x29,0x43,0x2b,0x07,0x1d,0x95,0x59,0x59,0x47,0xfb, |
|---|
| 516 | 0xe5,0xe9,0x61,0x47,0x2f,0x35,0x7f,0x17,0x7f,0xef,0x7f,0x95,0x95,0x71,0xd3,0xa3, |
|---|
| 517 | 0x0b,0x71,0xa3,0xad,0x0b,0x3b,0xb5,0xfb,0xa3,0xbf,0x4f,0x83,0x1d,0xad,0xe9,0x2f, |
|---|
| 518 | 0x71,0x65,0xa3,0xe5,0x07,0x35,0x3d,0x0d,0xb5,0xe9,0xe5,0x47,0x3b,0x9d,0xef,0x35, |
|---|
| 519 | 0xa3,0xbf,0xb3,0xdf,0x53,0xd3,0x97,0x53,0x49,0x71,0x07,0x35,0x61,0x71,0x2f,0x43, |
|---|
| 520 | 0x2f,0x11,0xdf,0x17,0x97,0xfb,0x95,0x3b,0x7f,0x6b,0xd3,0x25,0xbf,0xad,0xc7,0xc5, |
|---|
| 521 | 0xc5,0xb5,0x8b,0xef,0x2f,0xd3,0x07,0x6b,0x25,0x49,0x95,0x25,0x49,0x6d,0x71,0xc7), |
|---|
| 522 | Array(0xa7,0xbc,0xc9,0xad,0x91,0xdf,0x85,0xe5,0xd4,0x78,0xd5,0x17,0x46,0x7c,0x29,0x4c, |
|---|
| 523 | 0x4d,0x03,0xe9,0x25,0x68,0x11,0x86,0xb3,0xbd,0xf7,0x6f,0x61,0x22,0xa2,0x26,0x34, |
|---|
| 524 | 0x2a,0xbe,0x1e,0x46,0x14,0x68,0x9d,0x44,0x18,0xc2,0x40,0xf4,0x7e,0x5f,0x1b,0xad, |
|---|
| 525 | 0x0b,0x94,0xb6,0x67,0xb4,0x0b,0xe1,0xea,0x95,0x9c,0x66,0xdc,0xe7,0x5d,0x6c,0x05, |
|---|
| 526 | 0xda,0xd5,0xdf,0x7a,0xef,0xf6,0xdb,0x1f,0x82,0x4c,0xc0,0x68,0x47,0xa1,0xbd,0xee, |
|---|
| 527 | 0x39,0x50,0x56,0x4a,0xdd,0xdf,0xa5,0xf8,0xc6,0xda,0xca,0x90,0xca,0x01,0x42,0x9d, |
|---|
| 528 | 0x8b,0x0c,0x73,0x43,0x75,0x05,0x94,0xde,0x24,0xb3,0x80,0x34,0xe5,0x2c,0xdc,0x9b, |
|---|
| 529 | 0x3f,0xca,0x33,0x45,0xd0,0xdb,0x5f,0xf5,0x52,0xc3,0x21,0xda,0xe2,0x22,0x72,0x6b, |
|---|
| 530 | 0x3e,0xd0,0x5b,0xa8,0x87,0x8c,0x06,0x5d,0x0f,0xdd,0x09,0x19,0x93,0xd0,0xb9,0xfc, |
|---|
| 531 | 0x8b,0x0f,0x84,0x60,0x33,0x1c,0x9b,0x45,0xf1,0xf0,0xa3,0x94,0x3a,0x12,0x77,0x33, |
|---|
| 532 | 0x4d,0x44,0x78,0x28,0x3c,0x9e,0xfd,0x65,0x57,0x16,0x94,0x6b,0xfb,0x59,0xd0,0xc8, |
|---|
| 533 | 0x22,0x36,0xdb,0xd2,0x63,0x98,0x43,0xa1,0x04,0x87,0x86,0xf7,0xa6,0x26,0xbb,0xd6, |
|---|
| 534 | 0x59,0x4d,0xbf,0x6a,0x2e,0xaa,0x2b,0xef,0xe6,0x78,0xb6,0x4e,0xe0,0x2f,0xdc,0x7c, |
|---|
| 535 | 0xbe,0x57,0x19,0x32,0x7e,0x2a,0xd0,0xb8,0xba,0x29,0x00,0x3c,0x52,0x7d,0xa8,0x49, |
|---|
| 536 | 0x3b,0x2d,0xeb,0x25,0x49,0xfa,0xa3,0xaa,0x39,0xa7,0xc5,0xa7,0x50,0x11,0x36,0xfb, |
|---|
| 537 | 0xc6,0x67,0x4a,0xf5,0xa5,0x12,0x65,0x7e,0xb0,0xdf,0xaf,0x4e,0xb3,0x61,0x7f,0x2f) |
|---|
| 538 | ); |
|---|
| 539 | $returned=""; |
|---|
| 540 | |
|---|
| 541 | if($decryptedLength==0 or $decryptedLength>strlen($data)) |
|---|
| 542 | $decryptedLength=strlen($data); |
|---|
| 543 | |
|---|
| 544 | $key = 0; |
|---|
| 545 | for($i=0; $i < 4; $i++) |
|---|
| 546 | { |
|---|
| 547 | $key = $key ^ (($shutterCount >> ($i*8)) & 0xff); |
|---|
| 548 | } |
|---|
| 549 | $ci = $xlat[0][$serialNumber & 0xff]; |
|---|
| 550 | $cj = $xlat[1][$key]; |
|---|
| 551 | $ck = 0x60; |
|---|
| 552 | |
|---|
| 553 | for($i=0;$i<$decryptedLength;++$i) |
|---|
| 554 | { |
|---|
| 555 | $cj+=$ci*$ck++; |
|---|
| 556 | $returned.= chr(ord($data{$i}) ^ $cj); |
|---|
| 557 | } |
|---|
| 558 | return($returned); |
|---|
| 559 | } |
|---|
| 560 | |
|---|
| 561 | /** |
|---|
| 562 | * return the serialNumber as an integer |
|---|
| 563 | */ |
|---|
| 564 | private function serialNumberInteger() |
|---|
| 565 | { |
|---|
| 566 | if(trim($this->serialNumber)!="") |
|---|
| 567 | { |
|---|
| 568 | return(0+$this->serialNumber); |
|---|
| 569 | } |
|---|
| 570 | elseif(preg_match("/.*d50.*/i",GlobalTags::getExifMaker())) |
|---|
| 571 | { |
|---|
| 572 | //D50 |
|---|
| 573 | return(0x22); |
|---|
| 574 | } |
|---|
| 575 | else |
|---|
| 576 | { |
|---|
| 577 | //D200, D40X, ... |
|---|
| 578 | return(0x60); |
|---|
| 579 | } |
|---|
| 580 | } |
|---|
| 581 | } |
|---|
| 582 | |
|---|
| 583 | |
|---|
| 584 | ?> |
|---|
