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File: qcp64.base.php

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File: qcp64.base.php
Role: Class source
Content type: text/plain
Description: Base Creator
Class: QCP64 CRC
Compute checksum of variable length data
Author: By
Last change: Final Version 1.6.4
Date: 16 years ago
Size: 12,369 bytes
 

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<? // $Id: qcp64.base.php 1.6.4 2008-08-15 13:40:00 (final) wishcraft $ // ------------------------------------------------------------------------ // // CLORA - Chronolabs Australia // // Copyright (c) 2008 // // <http://www.chronolabs.org.au/> // // ------------------------------------------------------------------------ // // This program is free software; you can redistribute it and/or modify // // it under the terms of the SDPL Source Directive Public Licence // // as published by Chronolabs Australia; either version 2 of the License, // // (at your option) any later version. // // // // You may not change or alter any portion of this comment or credits // // of supporting developers from this source code or any supporting // // source code which is considered copyrighted (c) material of the // // original comment or credit authors. // // // // This program is distributed in the hope that it will be useful, // // but WITHOUT ANY WARRANTY; without even the implied warranty of // // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // // GNU General Public License for more details. // // // // You should have received a copy of the GNU General Public License // // along with this program; if not, write to the Chronolab Australia // // Chronolabs International PO BOX 699, DULWICH HILL, NSW, 2203, Australia // // ------------------------------------------------------------------------ // if (!class_exists('qcp64_base')) { error_reporting(E_ERROR); class qcp64_base extends qcp64 { var $base; var $seed; var $mode; var $roll; var $num_evr; function __construct ($seed = 127) { if ($seed<1) { $this->seed = 1; } elseif ($seed>255) { $this->seed = 256; } else { $this->seed = $seed; } $base = $this->_set_base(); return $this->get_base(); } private function _set_base() { if ($this->seed < 65) { $case=true; } else { $case=false; } $this->roll = ($this->seed / (3+(1/6))); $this->num_evr = floor((34.32 / ($this->roll/$this->seed))/($this->seed*($this->roll/17.8))); if ($this->roll<16) { $this->mode = '1'; } elseif ($this->roll >15 && $this->roll<32) { $this->mode = '2'; } elseif ($this->roll >32 && $this->roll<48) { $this->mode = '3'; } elseif ($this->roll >48 ) { $this->mode = '4'; } if ($this->num_evr==0) { $this->num_evr = floor((($this->seed/$this->mode)/($this->mode*3.015))); } elseif ($this->num_evr>8) { $this->num_evr = $this->num_evr - floor($this->mode*1.35); } $this->base = array(); switch ($this->mode){ case 1: $ii = 0; $num = 0; $letter = "a"; for ($qcb=1;$qcb<32;$qcb++) { $ii++; $done = false; if ($sofar == $this->num_evr) { if ($num < 9) { $this->base[$qcb] = $num; $num++; $sofar = 0; $done = true; } } else { $sofar++; } if ($done == false) { if (floor($qcb / ($this->roll/$this->num_evr))>$this->mode) { switch ($case) { case true: $this->base[$qcb] = $letter; break; case false: $this->base[$qcb] = strtoupper($letter); break; } } else { $this->base[$qcb] = $letter; } $letter++; if (strlen($letter++)>1) { $letter="a"; } } } for ($qcb=64;$qcb>31;$qcb--) { $ii++; $done = false; if ($sofar == $this->num_evr) { if ($num < 9) { $this->base[$qcb] = $num; $num++; $sofar = 0; $done = true; } } else { $sofar++; } if ($done == false) { if (floor($qcb / ($this->roll/$this->num_evr))>$this->mode) { switch ($case) { case true: $this->base[$qcb] = $letter; break; case false: $this->base[$qcb] = strtoupper($letter); break; } } else { $this->base[$qcb] = $letter; } $letter++; if (strlen($letter++)>1) { $letter="a"; } } } break; case 2: $ii = 0; $num = 0; $letter = "a"; for ($qcb=32;$qcb>0;$qcb--) { $ii++; $done = false; if ($sofar == $this->num_evr) { if ($num < 9) { $this->base[$qcb] = $num; $num++; $sofar = 0; $done = true; } } else { $sofar++; } if ($done == false) { if (floor($qcb / ($this->roll/$this->num_evr))>$this->mode) { switch ($case) { case true: $this->base[$qcb] = $letter; break; case false: $this->base[$qcb] = strtoupper($letter); break; } } else { $this->base[$qcb] = $letter; } $letter++; if (strlen($letter++)>1) { $letter="a"; } } } for ($qcb=32;$qcb<65;$qcb++) { $ii++; $done = false; if ($sofar == $this->num_evr) { if ($num < 9) { $this->base[$qcb] = $num; $num++; $sofar = 0; $done = true; } } else { $sofar++; } if ($done == false) { if (floor($qcb / ($this->roll/$this->num_evr))>$this->mode) { switch ($case) { case true: $this->base[$qcb] = $letter; break; case false: $this->base[$qcb] = strtoupper($letter); break; } } else { $this->base[$qcb] = $letter; } $letter++; if (strlen($letter++)>1) { $letter="a"; } } } break; case 3: $ii = 0; $num = 0; $letter = "a"; for ($qcb=1;$qcb<17;$qcb++) { $ii++; $done = false; if ($sofar == $this->num_evr) { if ($num < 9) { $this->base[$qcb] = $num; $num++; $sofar = 0; $done = true; } } else { $sofar++; } if ($done == false) { if (floor($qcb / ($this->roll/$this->num_evr))>$this->mode) { switch ($case) { case true: $this->base[$qcb] = $letter; break; case false: $this->base[$qcb] = strtoupper($letter); break; } } else { $this->base[$qcb] = $letter; } $letter++; if (strlen($letter++)>1) { $letter="a"; } } } for ($qcb=64;$qcb>47;$qcb--) { $ii++; $done = false; if ($sofar == $this->num_evr) { if ($num < 9) { $this->base[$qcb] = $num; $num++; $sofar = 0; $done = true; } } else { $sofar++; } if ($done == false) { if (floor($qcb / ($this->roll/$this->num_evr))>$this->mode) { switch ($case) { case true: $this->base[$qcb] = $letter; break; case false: $this->base[$qcb] = strtoupper($letter); break; } } else { $this->base[$qcb] = $letter; } $letter++; if (strlen($letter++)>1) { $letter="a"; } } } for ($qcb=32;$qcb>16;$qcb--) { $ii++; $done = false; if ($sofar == $this->num_evr) { if ($num < 9) { $this->base[$qcb] = $num; $num++; $sofar = 0; $done = true; } } else { $sofar++; } if ($done == false) { if (floor($qcb / ($this->roll/$this->num_evr))>$this->mode) { switch ($case) { case true: $this->base[$qcb] = $letter; break; case false: $this->base[$qcb] = strtoupper($letter); break; } } else { $this->base[$qcb] = $letter; } $letter++; if (strlen($letter++)>1) { $letter="a"; } } } for ($qcb=32;$qcb<48;$qcb++) { $ii++; $done = false; if ($sofar == $this->num_evr) { if ($num < 9) { $this->base[$qcb] = $num; $num++; $sofar = 0; $done = true; } } else { $sofar++; } if ($done == false) { if (floor($qcb / ($this->roll/$this->num_evr))>$this->mode) { switch ($case) { case true: $this->base[$qcb] = $letter; break; case false: $this->base[$qcb] = strtoupper($letter); break; } } else { $this->base[$qcb] = $letter; } $letter++; if (strlen($letter++)>1) { $letter="a"; } } } break; case 4: $ii = 0; $num = 0; $letter = "a"; for ($qcb=17;$qcb>0;$qcb--) { $ii++; $done = false; if ($sofar == $this->num_evr) { if ($num < 9) { $this->base[$qcb] = $num; $num++; $sofar = 0; $done = true; } } else { $sofar++; } if ($done == false) { if (floor($qcb / ($this->roll/$this->num_evr))>$this->mode) { switch ($case) { case true: $this->base[$qcb] = $letter; break; case false: $this->base[$qcb] = strtoupper($letter); break; } } else { $this->base[$qcb] = $letter; } $letter++; if (strlen($letter++)>1) { $letter="a"; } } } for ($qcb=17;$qcb<49;$qcb++) { $ii++; $done = false; if ($sofar == $this->num_evr) { if ($num < 9) { $this->base[$qcb] = $num; $num++; $sofar = 0; $done = true; } } else { $sofar++; } if ($done == false) { if (floor($qcb / ($this->roll/$this->num_evr))>$this->mode) { switch ($case) { case true: $this->base[$qcb] = $letter; break; case false: $this->base[$qcb] = strtoupper($letter); break; } } else { $this->base[$qcb] = $letter; } $letter++; if (strlen($letter++)>1) { $letter="a"; } } } for ($qcb=64;$qcb>48;$qcb--) { $ii++; $done = false; if ($sofar == $this->num_evr) { if ($num < 9) { $this->base[$qcb] = $num; $num++; $sofar = 0; $done = true; } } else { $sofar++; } if ($done == false) { if (floor($qcb / ($this->roll/$this->num_evr))>$this->mode) { switch ($case) { case true: $this->base[$qcb] = $letter; break; case false: $this->base[$qcb] = strtoupper($letter); break; } } else { $this->base[$qcb] = $letter; } $letter++; if (strlen($letter++)>1) { $letter="a"; } } } break; } } function get_base() { return $this->base; } function debug_base() { $base = array(); foreach ($this->base as $key => $data) { $base[$key] = array("char" => $data, "ord" => ord($data), "bin" => decbin(ord($data))); } return array("mode" => $this->mode, "roll" => $this->roll, "seed" => $this->seed, "mode" => $this->mode, "num_evr" => $this->num_evr, "base" => $this->base, "debug" => $base); } } } ?>