restructuring of boca's git

1 files changed, 0 insertions, 150 deletions

diff --git a/boca-1.5.0/src/hex.php b/boca-1.5.0/src/hex.php
deleted file mode 100644
index 0d80b1d..0000000
--- a/boca-1.5.0/src/hex.php
+++ /dev/null
@@ -1,150 +0,0 @@
-<?php
-////////////////////////////////////////////////////////////////////////////////
-//BOCA Online Contest Administrator
-//    Copyright (C) 2003-2012 by BOCA Development Team (bocasystem@gmail.com)
-//
-//    This program is free software: you can redistribute it and/or modify
-//    it under the terms of the GNU General Public License as published by
-//    the Free Software Foundation, either version 3 of the License, or
-//    (at your option) any later version.
-//
-//    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, see <http://www.gnu.org/licenses/>.
-////////////////////////////////////////////////////////////////////////////////
-// Last modified: 21/july/2012 by cassio@ime.usp.br
-function myshorthash($k) {
-	return hash('sha1',$k);
-}
-function myhash($k) {
-	return hash('sha256',$k);
-}
-function myhmac($k,$d) {
-	return hash_hmac('sha256',$k,$d);
-}
-
-function encryptData($text,$key,$compress=true) {
-	if(!function_exists('mcrypt_get_iv_size')) {
-		MSGError("Encryption error -- mcrypt not installed -- contact an admin (" . getFunctionName() .")");
-		LogError("Encryption error -- mcrypt not installed -- contact an admin (" . getFunctionName() .")");
-		return "";
-	}
-	$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC);
-	$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
-	$key = myhash($key . "123456789012345678901234567890"); // . myhash($key);
-	$grade='##';
-	if($compress) {
-		$text = zipstr($text);
-		$grade = '@#';
-	}
-	$crypttext = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, substr(pack("H*", $key),0,32), $text . myshorthash($text) . $grade, MCRYPT_MODE_CBC, $iv);
-	return base64_encode($crypttext . $iv);
-}
-
-function decryptData($crypttext,$key,$txt='') {
-	$crypttext = base64_decode($crypttext);
-	$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC);
-	$test1='';
-	$test2='x';
-	$clen = strlen($crypttext);
-	if($clen > $iv_size) {
-		$iv = substr($crypttext, $clen-$iv_size, $iv_size);
-		$crypttext = substr($crypttext, 0, $clen-$iv_size);
-		$key = myhash($key . "123456789012345678901234567890"); // . myhash($key);
-		$decrypttext = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, substr(pack("H*", $key),0,32), $crypttext, MCRYPT_MODE_CBC, $iv);
-		$pos = strrpos($decrypttext,"#");
-		$iscompressed=false;
-		if(substr($decrypttext,$pos-1,1)=='@') $iscompressed=true;
-		$ll=strlen(myshorthash("x"));
-		$test2 = substr($decrypttext,$pos-1-$ll, $ll);
-		$decrypttext = substr($decrypttext,0,$pos-1-$ll);
-		$test1 = myshorthash($decrypttext);
-	}
-	if($test1 != $test2) {
-		if($txt=='')
-			MSGError("Decryption error -- contact an admin now (" . getFunctionName() .")");
-		LogError("Decryption error -- contact an admin, possibly password wrong (" . getFunctionName() .",$txt)");
-		return "";
-	}
-	if($iscompressed) return unzipstr($decrypttext);
-	return $decrypttext;
-}
-
-//hex1 e hex2 sao strings hexa
-//devolve a soma das duas
-function bighexsoma ($hex1, $hex2){ 
-	if (strlen($hex1) > strlen($hex2)) {
-		$a = $hex2;
-		$hex2 = $hex1;
-		$hex1 = $a;
-	}
-	while (strlen($hex1) < strlen($hex2))
-		$hex1 = '0' . $hex1;
-
-	$sobra = 0;
-	$resultado = '';
-	for($x = strlen($hex1)-1; $x>=0; $x--){ 
-		
-		$op1 = (int) hexdec(substr($hex1,$x,1)); 
-		$op2 = (int) hexdec(substr($hex2,$x,1));
-
-		$r = $op1 + $op2 + $sobra;
-		if ($r > 15) {
-			$r -= 16;
-			$sobra = 1;
-		} else $sobra = 0;
-
-		$resultado = dechex($r) . $resultado;
-	} 
-	if ($sobra == 1) 
-		$resultado = '1' . $resultado;
-	return $resultado;
-}
-//hex1 e hex2 sao strings hexa
-//devolve a string que representa hex1 - hex2
-function bighexsub ($hex1, $hex2) { 
-	$h1 = strlen($hex1);
-	$h2 = strlen($hex2);
-	while ($h1 < $h2) {
-		$hex1 = '0' . $hex1;
-		$h1++;
-	}
-	while ($h2 < $h1) {
-		$hex2 = '0' . $hex2;
-		$h2++;
-	}
-
-	$i=0;
-	while ($hex1[$i] == $hex2[$i] && $i<$h1) $i++;
-	if ($i>=$h1) return '0';
-
-	if ($hex1[$i] > $hex2[$i]) {
-		$sinal='';
-	} else {
-		$sinal = '-';
-		$a = $hex2;
-		$hex2 = $hex1;
-		$hex1 = $a;
-	}
-
-	$sobra = 0;
-	$resultado = '';
-	for($x = $h1-1; $x>=0; $x--) { 
-		$op1 = (int) hexdec(substr($hex1,$x,1)); 
-		$op2 = (int) hexdec(substr($hex2,$x,1));
-
-		$r = $op1 - $op2 - $sobra;
-		if ($r < 0) {
-			$r += 16;
-			$sobra = 1;
-		} else $sobra = 0;
-
-		$resultado = dechex($r) . $resultado;
-	} 
-	return $sinal . $resultado;
-}
-// eof
-?>