<?php
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/**
 * ͨÓó£Á¿
 */
class Constants
{
	//Ç©ÃûËã·¨HmacSha256
    const HMAC_SHA256 = "HmacSHA256";
    //±àÂëUTF-8
    const ENCODING = "UTF-8";
    //UserAgent
    const USER_AGENT = "demo/aliyun/java";
    //»»Ðзû
    const LF = "\n";
	//·Ö¸ô·û1
    const SPE1 = ",";
    //·Ö¸ô·û2
    const SPE2 = ":";
    //ĬÈÏÇëÇó³¬Ê±Ê±¼ä,µ¥Î»ºÁÃë
    const DEFAULT_TIMEOUT = 1000;
    //²ÎÓëÇ©ÃûµÄϵͳHeaderǰ׺,Ö»ÓÐÖ¸¶¨Ç°×ºµÄHeader²Å»á²ÎÓ뵽ǩÃûÖÐ
	const CA_HEADER_TO_SIGN_PREFIX_SYSTEM = "X-Ca-";
}