121 lines
3.3 KiB
ActionScript
121 lines
3.3 KiB
ActionScript
package ckaction.act {
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import ckaction.C.C;
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import com.hurlant.crypto.symmetric.DESKey;
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import com.hurlant.crypto.symmetric.ECBMode;
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import com.hurlant.util.Base64;
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import flash.utils.ByteArray;
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import flash.events.ErrorEvent;
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import flash.display.BitmapData;
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import flash.geom.Rectangle;
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public class des {
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public function des() {
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}
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public static function getString(s: String): String {
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// constructor code
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var codes: String = C.CEKEY;
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var codes2: String = "ckplayerDesKey";
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var de: String = s;
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var type: String = s.substr(0, 3);
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s = decodeURI(s);
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s=script.replace(s,[" "],["+"]);
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if (type == "CE:" || type == "CK:") {
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if (type == "CE:") {
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s = s.replace("CE:", "");
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} else {
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s = s.replace("CK:", "");
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}
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try {
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var b64: ByteArray = Base64.decodeToByteArray(s);
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if (type == "CE:") {
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//trace("codes",codes);
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de = decrypt(codes, b64);
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} else {
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de = decrypt(codes2, b64);
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}
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} catch (event: ErrorEvent) {
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return "";
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}
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}
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if (de.indexOf("base64,") > -1) {
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de = de.split("base64,")[1]
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}
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return de.split("\n").join("").split("\r").join("").split("\n\r").join("").split("\r\n").join("");
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}
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public static function getByteArray(s: String): ByteArray {
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// constructor code
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var codes: String = C.CEKEY;
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var codes2: String = "ckplayerDesKey";
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var de: String = s;
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s = decodeURI(s).split("\n").join("").split("\r").join("").split("\n\r").join("").split("\r\n").join("");
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s=script.replace(s,[" "],["+"]);
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var type: String = s.substr(0, 3);
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if (type == "CE:" || type == "CK:") {
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if (type == "CE:") {
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s = s.replace("CE:", "");
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} else {
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s = s.replace("CK:", "");
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}
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try {
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var b64: ByteArray = Base64.decodeToByteArray(s);
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if (type == "CE:") {
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de = decrypt(codes, b64);
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} else {
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de = decrypt(codes2, b64);
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}
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} catch (event: ErrorEvent) {
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return new ByteArray();
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}
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}
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if (de.indexOf("base64,") > -1) {
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de = de.split("base64,")[1]
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}
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try {
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return Base64.decodeToByteArray(de);
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} catch (event: ErrorEvent) {
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return new ByteArray();
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}
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return new ByteArray();
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}
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public static function getVString(s: String): String {
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// constructor code
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var de: String = s;
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s = decodeURI(s);
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s=script.replace(s,[" "],["+"]);
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try {
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var b64: ByteArray = Base64.decodeToByteArray(s);
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de = decrypt(C.CVKEY, b64);
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} catch (event: ErrorEvent) {
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return de;
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}
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return de;
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}
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private static function decrypt(key: String, data: ByteArray): String {
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//trace("\n执行解密方法，key:", key, "，需要解密的字符串：", data);
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//实验化key的Bytearray对象，给DESKey使用
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var b_keyByteArray: ByteArray = new ByteArray();
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b_keyByteArray.writeUTFBytes(key);
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//实例化DESKey
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var b_desKey: DESKey = new DESKey(b_keyByteArray);
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var b_ecb: ECBMode = new ECBMode(b_desKey);
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var b_byteArray: ByteArray = new ByteArray();
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b_byteArray.writeBytes(data);
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//执行解密
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b_ecb.decrypt(b_byteArray);
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return convertByteArrayToString(b_byteArray);
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}
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private static function convertByteArrayToString(bytes: ByteArray): String {
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var str: String;
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if (bytes) {
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bytes.position = 0;
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str = bytes.readUTFBytes(bytes.length);
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}
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return str;
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}
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}
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} |