2020.02新版

plugins/jdpay/inc/common/TDESUtil.php

@@ -0,0 +1,59 @@
+<?php
+
+class TDESUtil {
+	
+	/**
+	 * 将元数据进行补位后进行3DES加密
+	 * <p/>
+	 * 补位后 byte[] = 描述有效数据长度(int)的byte[]+原始数据byte[]+补位byte[]
+	 *
+	 * @param
+	 *        	sourceData 元数据字符串
+	 * @return 返回3DES加密后的16进制表示的字符串
+	 */
+	public static function encrypt2HexStr($keys, $sourceData) {
+		$length = strlen($sourceData);
+		$result = '';
+		for($i = 0; $i < 4; $i ++) {
+			$shift = (4 - 1 - $i) * 8;
+			$result .= chr(($length >> $shift) & 0x000000FF);
+		}
+		$result .= $sourceData;
+		$add = 8 - ($length+4) % 8;
+		if($add>0){
+			for($i=0; $i<$add; $i++){
+				$result .= chr(0);
+			}
+		}
+		$desdata = self::encrypt( $result, $keys );
+		return bin2hex( $desdata );
+	}
+	
+	/**
+	 * 3DES 解密 进行了补位的16进制表示的字符串数据
+	 *
+	 * @return
+	 *
+	 */
+	public static function decrypt4HexStr($keys, $data) {
+		$unDesResult = self::decrypt(hex2bin($data),$keys);
+
+		$length=0;
+		for($i = 0; $i < 4; $i ++) {
+			$shift = (4 - 1 - $i) * 8;
+			$length += (ord($unDesResult[$i]) & 0x000000FF) << $shift;
+		}
+		$result = substr($unDesResult, 4, $length);
+
+		return $result;
+	}
+	
+	// 加密算法
+	public static function encrypt($input, $key) {
+		return openssl_encrypt($input, 'des-ede3', $key, OPENSSL_NO_PADDING, "");
+	}
+	// 解密算法
+	public static function decrypt($encrypted, $key) {
+		return openssl_decrypt($encrypted, 'des-ede3', $key, OPENSSL_NO_PADDING, "");
+	}
+}