<?php function rc4($pwd, $data){ $key[] =""; $box[] =""; $pwd_length = strlen($pwd); $data_length = strlen($data); for ($i = 0; $i < 256; $i++) { $key[$i] = ord($pwd[$i % $pwd_length]); $box[$i] = $i; } for ($j = $i = 0; $i < 256; $i++) { $j = ($j + $box[$i] + $key[$i]) % 256; $tmp = $box[$i]; $box[$i] = $box[$j]; $box[$j] = $tmp; } for ($a = $j = $i = 0; $i < $data_length; $i++) { $a = ($a + 1) % 256; $j = ($j + $box[$a]) % 256; $tmp = $box[$a]; $box[$a] = $box[$j]; $box[$j] = $tmp; $k = $box[(($box[$a] + $box[$j]) % 256)]; $cipher .= chr(ord($data[$i]) ^ $k); } return $cipher; } function AES_encode($str, $key){ $iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB), MCRYPT_RAND); print_r(MCRYPT_MODE_ECB); return mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key, $str, MCRYPT_MODE_ECB, $iv); } function AES_decode($str, $key){ $iv = mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB), MCRYPT_RAND); return mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key, $str, MCRYPT_MODE_ECB, $iv); } function getEP($sk, $ctype) { $pkey = "b45197d21f17bb8a"; //21 if ($ctype == 20) $pkey = "9e3633aadde6bfec"; //20 else if ($ctype == 30) $pkey = "197d21f1722361ac"; //30 $ep = urlencode(base64_encode(AES_encode($sk, $pkey))); return trim($ep); } $sk = isset($_REQUEST['sk']) ? trim($_REQUEST['sk']) : ""; $ctype = isset($_REQUEST['ctype']) ? intval($_REQUEST['ctype']) : 30; if (strlen($sk) < 5) die('{"ep":""}'); echo '{"ep":"'.getEP($sk, $ctype).'"}'; ?>
20
2017
09
优酷真实M3U8地址计算EP算法PHP版本
作者:龙共山高 | 分类:技术分享 | 浏览:5303 | 评论:4